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https://hackaday.com/2018/05/12/a-vacuum-tube-and-barbecue-lighter-x-ray-generator/
A Vacuum Tube And Barbecue Lighter X-Ray Generator
Dan Maloney
[ "Misc Hacks" ]
[ "6J1", "geiger counter", "high voltage", "piezoelectric", "radiation", "rectifier", "x-ray" ]
https://hackaday.com/wp-…715560.jpg?w=800
A certain subset of readers will remember a time when common knowledge held that sitting too close to the TV put you in mortal peril. We were warned to stay at least six feet back to avoid the X-rays supposedly pouring forth from the screen. Nobody but our moms believed it, so there we sat, transfixed and mere inches f...
57
22
[ { "comment_id": "4547333", "author": "mjrippe", "timestamp": "2018-05-12T17:12:10", "content": "I wonder how it compares to this:https://hackaday.com/2008/10/22/sticky-tape-emits-x-rays/", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4547358", "author": "f...
1,760,374,377.751995
https://hackaday.com/2018/05/12/stepper-motor-and-key-fob-controlled-strandbeest/
Stepper Motor And Key Fob Controlled Strandbeest
Steven Dufresne
[ "Arduino Hacks" ]
[ "arduino nano", "jeremy cook", "RC strandbeest", "remote controlled strandbeest", "stepper motor", "strandbeest" ]
https://hackaday.com/wp-…ion_fe.jpg?w=800
We never tire of watching Strandbeests with their multitude of legs walking around, and especially enjoy the RC ones. [Jeremy Cook], prolific Strandbeest maker, just made one by motorizing and adding remote control to a small, plastic wind-powered kit . We’ve seen a Strandbeest kit conversion like this before, such as ...
7
3
[ { "comment_id": "4547005", "author": "huntdesigns", "timestamp": "2018-05-12T14:48:52", "content": "Nice project!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4547339", "author": "Jeremy S Cook", "timestamp": "2018-05-12T17:15:48", ...
1,760,374,377.381328
https://hackaday.com/2018/05/12/neopixel-game-rewards-button-mashing/
NeoPixel Game Rewards Button Mashing
Kristina Panos
[ "Games", "LED Hacks" ]
[ "neopixel", "neopixel ring" ]
https://hackaday.com/wp-…me-800.png?w=800
Who has the fastest thumbs at Maker Faire UK? That’s the question [wellsey1972] sought to answer when he created this simple game using little more than two NeoPixel rings, two chunky arcade buttons, and a Trinket. The idea is simple: each button push lights up one NeoPixel . The first one to fill up their ring is the ...
2
2
[ { "comment_id": "4546659", "author": "Ostracus", "timestamp": "2018-05-12T12:12:42", "content": "“NeoPixel Game Rewards Button Mashing”Remember Me™ rewards destroying a keyboard’s spacebar.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4549748", "author":...
1,760,374,377.418443
https://hackaday.com/2018/05/12/pimp-my-scope/
Pimp My Scope
Brian McEvoy
[ "how-to", "Science" ]
[ "filter", "microscope", "modification", "mods", "polar", "polarizing" ]
https://hackaday.com/wp-…grades.jpg?w=800
Most of us have heard some form of the adage, “You can buy cheaper, but you’ll never pay less.” It means that cheaper products ultimately do not stand up to the needs of their superior counterparts. Hackers love to prove this aphorism wrong by applying inexpensive upgrades to inexpensive tools to fill up a feature-rich...
5
5
[ { "comment_id": "4546029", "author": "NGC031", "timestamp": "2018-05-12T08:21:07", "content": "How about lightfield microscopy with lightfield (Lytro) camera:https://arxiv.org/abs/1508.03590", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4546768", "author"...
1,760,374,377.889218
https://hackaday.com/2018/05/11/save-the-tally-ho-rebuilding-a-historic-yacht/
Save The Tally Ho: Rebuilding A Historic Yacht
Adam Fabio
[ "Transportation Hacks" ]
[ "sailing", "ship", "tally oh", "yacht" ]
https://hackaday.com/wp-…o-feat.png?w=800
[Leo Sampson Goolden] is a boatbuilder and Sailor. He’s a prime example of a dwindling group of shipwrights who build sailing vessels the traditional way. In 2017, he was given the opportunity to buy Tally Ho, a Yacht built back in 1910. Once a proud ship, Tally Ho now sat as a shell under a shrink-wrap tarp. Her deck ...
15
9
[ { "comment_id": "4545655", "author": "foxpup", "timestamp": "2018-05-12T05:09:36", "content": "I wish Leo all the success in the world both personally and with this project, but the phrase “Tally Ho!!” makes this fox shudder. Ughh!!", "parent_id": null, "depth": 1, "replies": [] }, ...
1,760,374,377.655549
https://hackaday.com/2018/05/11/impossibly-huge-depth-of-focus-in-microscope-photographs/
Impossibly Huge Depth Of Focus In Microscope Photographs
Brian McEvoy
[ "digital cameras hacks", "how-to" ]
[ "adobe", "camera", "depth of focus", "dslr", "focus stacking", "layer stacking", "microscope", "microscopy", "photographs", "photography", "pictures", "tutorial" ]
https://hackaday.com/wp-…acking.jpg?w=800
Sometimes, less is more. Sometimes, more is more. There is a type of person who believes that if enough photos of the same subject are taken, one of them will shine above the rest as a gleaming example of what is possible with a phone camera and a steady hand. Other people know how to frame a picture before hitting the...
14
9
[ { "comment_id": "4545382", "author": "Internet", "timestamp": "2018-05-12T02:31:12", "content": "Does anybody know of any halfway decent open source focus stacking projects that are actually scriptable and, well, actually work fairly well as a mostly automated solution for both static focus stacking...
1,760,374,377.94532
https://hackaday.com/2018/05/11/fake-omron-relays-are-worth-what-you-pay-for-them/
Fake Omron Relays Are Worth What You Pay For Them
Al Williams
[ "Teardown" ]
[ "omron", "relay" ]
https://hackaday.com/wp-…/relay.png?w=800
We love taking a look at fake components and [BigClive] has put together something really special in this category. When he saw he could buy suspiciously cheap Omron relays on eBay, he knew something must be fishy so he put in an order. Some of the fakes he received are even marked Omrch instead of Omron, and your ear ...
40
9
[ { "comment_id": "4544992", "author": "Circadian Rebel", "timestamp": "2018-05-11T23:40:48", "content": "Don’t tell me they are fake. I know a genuine Omrch when I see it!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4545160", "author": "PirateLabs"...
1,760,374,377.499297
https://hackaday.com/2018/05/10/soundproofing-a-cnc-mill-conversion/
Soundproofing A CNC Mill Conversion
Anool Mahidharia
[ "cnc hacks", "Tool Hacks" ]
[ "arduino", "cnc", "CNC mill", "grbl", "grbl shield", "MF70", "milling", "NEMA17", "proxxon", "raspberry pi" ]
https://hackaday.com/wp-…f70_02.png?w=800
The Proxxon MF70 is a nice desktop sized milling machine with a lot of useful add-on accessories available for it, making it very desirable for a hacker to have one in his or her home workshop. But its 20000 rpm spindle can cause quite the racket and invite red-faced neighbors. Also, how do you use a milling machine in...
20
13
[ { "comment_id": "4542541", "author": "Jupiter Belic", "timestamp": "2018-05-11T05:30:17", "content": "Layers of bath towels are a good sound insulator and nearly free at thrift stores", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4542544", "author": "Simo...
1,760,374,377.606675
https://hackaday.com/2018/05/10/diablo-drive-appears-to-be-cursed/
Diablo Drive Appears To Be Cursed
Al Williams
[ "Retrocomputing" ]
[ "alto", "diablo", "diablo disk drive", "xerox alto" ]
https://hackaday.com/wp-…5/alto.png?w=800
[CuriousMarc] didn’t think it would be a big deal when a former Xerox employee sent him an Alto Diablo drive for service. Turns out the drive was cursed — it would destroy everything it touched including a set of heads and an alignment cartridge. [Marc] and a partner spent two months trying to get the drive operable an...
11
4
[ { "comment_id": "4542288", "author": "Genki", "timestamp": "2018-05-11T02:39:41", "content": "Gone are the day when drives were expensive enough that it was worth trying to fix everything. Today we just toss dead hard drives and buy a new one for about $100 DVD or BD-ROM drive having some trouble? ...
1,760,374,377.548723
https://hackaday.com/2018/05/10/3d-printed-tool-tips-to-straighten-dip-chips-and-unstraighten-resistors/
3D Printed Tool Tips To Straighten DIP Chips And Unstraighten Resistors
Steven Dufresne
[ "3d Printer hacks", "Tool Hacks" ]
[ "assembly", "biegelehre", "dip", "resistor", "soldering", "tools" ]
https://hackaday.com/wp-…kit_fe.jpg?w=800
Watching someone assemble a kit is a great way to see some tools you may have not encountered before and maybe learn some new tricks. During [Marco Reps’] recent build of a GPS synchronized Nixie clock kit we spied a couple of handy tools that you can 3D print for your own bench. Fresh from the factory Dual Inline Pack...
21
4
[ { "comment_id": "4542033", "author": "dabzzz", "timestamp": "2018-05-11T00:12:05", "content": "I get it, you can 3d print everything. Still, the lead bending aid is 93 cents at Reichelt. Ninety-three Euro cents. I don’t know why you even bother re-creating that thing – it’s injection moulded and las...
1,760,374,378.005909
https://hackaday.com/2018/05/10/googles-duplex-ai-has-conversation-indistinguishable-from-humans/
Google’s Duplex AI Has Conversation Indistinguishable From Human’s
Steven Dufresne
[ "News", "Slider" ]
[ "neural network", "speech synthesis", "text to speech", "wavenet" ]
https://hackaday.com/wp-…ant_bv.png?w=800
First Google gradually improved its WaveNet text-to-speech neural network to the point where it sounds almost perfectly human. Then they introduced Smart Reply which suggests possible replies to your emails. So it’s no surprise that they’ve announced an enhancement for Google Assistant called Duplex which can have phon...
106
37
[ { "comment_id": "4541475", "author": "esoterica", "timestamp": "2018-05-10T20:05:17", "content": "So creepy…it will be interesting, ethically, whether this becomes mainstream or is put on the back burner.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "454189...
1,760,374,378.232932
https://hackaday.com/2018/05/10/build-your-own-android-smartphone/
Build Your Own Android Smartphone
Anool Mahidharia
[ "Slider", "The Hackaday Prize" ]
[ "android", "freecad", "google ara", "KiCAD", "phonebloks", "raspberry pi", "smartphone", "snapdragon 410", "Snapdragon 450" ]
https://hackaday.com/wp-…one_02.png?w=800
Let’s get this out of the way first – this project isn’t meant to be a replacement for your regular smartphone. Although, at the very least, you can use it as one if you’d like to. But [Shree Kumar]’s Hackaday Prize 2018 entry, the Kite : Open Hardware Android Smartphone aims to be an Open platform for hackers and ever...
33
18
[ { "comment_id": "4541343", "author": "Ren", "timestamp": "2018-05-10T18:40:26", "content": "I love the 17×5 LED on the back!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4542637", "author": "Shree Kumar (@shreekumar3d)", "timestamp": "2018-...
1,760,374,378.084404
https://hackaday.com/2018/05/10/simple-ethereum-vending-machines-with-nodemcu/
Simple Ethereum Vending Machines With NodeMCU
Sean Boyce
[ "Featured", "how-to", "Microcontrollers", "Tech Hacks" ]
[ "cryptocurrency", "ESP8266", "Ethereum", "lua", "NodeMCU", "websocket" ]
https://hackaday.com/wp-…atured.jpg?w=800
Recently, we covered how to use the Etherscan API to query data (a wallet balance) from the Ethereum blockchain with NodeMCU . It’s a very useful method for retrieving information from a blockchain on embedded systems where storage and memory are an issue. It has some limitations though. Most notably, it’s polling the ...
7
5
[ { "comment_id": "4541311", "author": "Digital Corpus", "timestamp": "2018-05-10T18:24:23", "content": "Page break please", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4541351", "author": "thoriumbr", "timestamp": "2018-05-10T18:42:20", "content": ...
1,760,374,378.32572
https://hackaday.com/2018/05/10/vcf-east-xiii-is-right-around-the-corner/
VCF East XIII Is Right Around The Corner
Tom Nardi
[ "classic hacks", "cons" ]
[ "VCF East", "VCF East XIII" ]
https://hackaday.com/wp-…header.jpg?w=800
The middle of May is a very special time at the Jersey Shore. It’s finally warm enough that business owners decide they might as well unlock their doors, but still cool enough that you can go on the boardwalk without having to bump into sweaty strangers. It’s a time for saltwater taffy without the risk of skin cancer, ...
8
5
[ { "comment_id": "4541073", "author": "Ren", "timestamp": "2018-05-10T16:13:11", "content": "Any word yet as to when there will be a VCF in Wall, SD?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4541074", "author": "Ren", "timestamp": "2018-05-10T16:1...
1,760,374,378.525073
https://hackaday.com/2018/05/08/we-couldnt-resist-this-cnc-batik-bot/
We Couldn’t Resist This CNC Batik Bot
Kristina Panos
[ "3d Printer hacks", "Arduino Hacks" ]
[ "arduino mega", "batik", "CNC controller", "hot end", "RAMPS 1.4", "textiles", "wax resist" ]
https://hackaday.com/wp-…ot-800.png?w=800
Batik is an ancient form of dyeing textiles in which hot wax is applied to a piece of cloth in some design. When the cloth is submerged in a dye bath, the parts covered with wax resist the pigment. After dyeing, the wax is either boiled or scraped away to reveal the design. [Eugenia Morpurgo] has created a portable, op...
17
7
[ { "comment_id": "4535680", "author": "codifies", "timestamp": "2018-05-08T15:59:59", "content": "imagine doing this process a number of times on the same fabric using different dye’s ….", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4535773", "author...
1,760,374,378.381991
https://hackaday.com/2018/05/08/how-to-build-anything-out-of-aluminum-extrusion-and-3d-printed-brackets/
How To Build Anything Out Of Aluminum Extrusion And 3D Printed Brackets
Roger Cheng
[ "3d Printer hacks", "Featured", "how-to", "Skills", "Slider" ]
[ "3d printing", "80/20 aluminum extrusions", "aluminum", "aluminum extrusion", "aluminum extrusions", "structural framing systems", "structures" ]
https://hackaday.com/wp-…atured.jpg?w=800
The real power of 3D printing is in infinite customization of parts. This becomes especially powerful when you combine 3D printing with existing materials. I have been developing a few simple tricks to make generic fasteners and printed connectors a perfect match for aluminum extrusion, via a novel twist or two on top ...
42
19
[ { "comment_id": "4535452", "author": "chango", "timestamp": "2018-05-08T14:17:18", "content": "Isn’t plastic a bad choice here? Since the extrusion is rigid, doesn’t that mean the corners take a lot of stress?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "...
1,760,374,378.473662
https://hackaday.com/2018/05/08/alexa-attack-intruders/
Alexa, Attack Intruders
Richard Baguley
[ "Misc Hacks" ]
[ "alexa", "CV", "nerf", "opencv", "turret", "voice" ]
https://hackaday.com/wp-…urret1.jpg?w=800
If our doom at the hands of our robot overlords is coming, I for one welcome the chance to get a preview of how they might go about it. That’s the idea behind Project Icarus, an Alexa-enabled face-tracking Nerf turret . Designed by [Nick Engmann],  this impressive (or terrifying) project is built around a Nerf Vulcan, ...
3
2
[ { "comment_id": "4535473", "author": "Leithoa", "timestamp": "2018-05-08T14:27:04", "content": "Alexa, Double Whammy.A couple pinhole cameras would let the pi do the IFF comparisons prior to being activated, though this puts your house under 24/7 surveillance.", "parent_id": null, "depth": 1...
1,760,374,378.277634
https://hackaday.com/2018/05/08/is-that-a-tweet-on-your-belt-buckle-or-are-you-just-happy-to-see-me/
Is That A Tweet On Your Belt Buckle Or Are You Just Happy To See Me?
Dan Maloney
[ "LED Hacks", "Wearable Hacks" ]
[ "Belt Buckle", "bling", "ESP8266-01", "fashion", "led", "matrix", "tweet", "twitter", "wearable" ]
https://hackaday.com/wp-…buckle.jpg?w=800
What a time to be alive! The range of things you never knew you needed but absolutely must have expands at a breakneck pace, such that it’s now possible to pick up a belt buckle with an embedded LED matrix to scroll messages. We have no idea what the use case for something like this is, but some people will buy anythin...
8
4
[ { "comment_id": "4534752", "author": "deshipu", "timestamp": "2018-05-08T08:17:28", "content": "I knew that the smart belt buckles are going to catch on sooner or later. Waiting for the display size inflation now.", "parent_id": null, "depth": 1, "replies": [ { "comment_id"...
1,760,374,378.569065
https://hackaday.com/2018/05/07/harmony-hub-hacked-and-patched/
Harmony Hub Hacked And Patched
Al Williams
[ "Linux Hacks", "News" ]
[ "cybersecurity", "harmony", "iot security", "linux", "logitech", "logitech harmony", "ssh" ]
https://hackaday.com/wp-…5/harm.png?w=800
When we say “hack” here we most often mean either modifying something to do something different or building something out of parts. But as we build more Internet-connected things, it is worthwhile to think about the other kind of hack where people gain unauthorized access to a system. For example, you wouldn’t think a ...
15
6
[ { "comment_id": "4534494", "author": "Wade", "timestamp": "2018-05-08T05:38:56", "content": "> But it is instructive to think about how your Raspberry Pi project would fare under the same scrutiny.I usually advise people not to put any of their Pi projects on the open internet unless they really kno...
1,760,374,378.62247
https://hackaday.com/2018/05/07/waking-up-to-classic-soundgarden-screaming/
Waking Up To Classic Soundgarden Screaming
Tom Nardi
[ "Arduino Hacks", "clock hacks" ]
[ "Adafruit VS1053", "Arduino Uno", "seven segment LED", "timekeeping" ]
https://hackaday.com/wp-…l_feat.jpg?w=800
In a project that was really only slighly less creepy before the singer’s untimely death in 2017, this alarm clock built by [Rafael Mizrahi] awakens its user to a random selection of Chris Cornell’s signature screams. Not content to be limited to just the audio component of the experience, he contained all of the hardw...
12
6
[ { "comment_id": "4534146", "author": "twelve dogs", "timestamp": "2018-05-08T02:18:17", "content": "was kinda hoping his mouth moved like a south park canadian", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4534216", "author": "evilmadscience", "timest...
1,760,374,378.675568
https://hackaday.com/2018/05/07/flash-and-debug-esp8266-boards-on-android/
Flash And Debug ESP8266 Boards On Android
Tom Nardi
[ "Android Hacks", "Microcontrollers", "Software Development" ]
[ "android", "debug", "serial monitor", "usb otg" ]
https://hackaday.com/wp-…p_feat.jpg?w=800
Have an ESP8266 development board such as the NodeMCU or Wemos D1? You’re currently reading Hackaday, so probably. Got an Android device kicking around? Also seems fairly likely. In that case, you should check out ESP8266 Loader by [Bluino Electronics] . This recently released application lets you not only flash new bi...
12
8
[ { "comment_id": "4534406", "author": "drwho8 (@drwho8)", "timestamp": "2018-05-08T04:36:45", "content": "I have here a starter tablet from Micro Center. It’s not much, but for a while it was the goto thing for reading Linux Journal. Now I keep it around for tracking my Amazon packages. Will that con...
1,760,374,378.729165
https://hackaday.com/2018/05/09/gorgeous-nickelbot-serves-up-lasered-wooden-nickels/
Gorgeous NickelBot Serves Up Lasered Wooden Nickels
Donald Papp
[ "cnc hacks", "Laser Hacks" ]
[ "3d printed", "405nm", "cnc", "engrave", "grbl", "hopper", "laser", "laser engraver", "lasergrbl", "Nickelbot", "PSoc5", "wooden disk", "wooden nickel" ]
https://hackaday.com/wp-…atured.jpg?w=800
[bdring] just recently completed his absolutely fantastic NickelBot , which is a beautifully made unit that engraves small wooden discs with a laser like some kind of on demand vending machine, and it’s wonderful. NickelBot is small, but a lot is going on inside. For example, there’s a custom-designed combination engra...
22
8
[ { "comment_id": "4537627", "author": "John", "timestamp": "2018-05-09T08:07:43", "content": "Why do so many Americans use “ay” as the indefinite article, “ay” is the name of the first letter of the alphabet, “a” or “an” are the indefinite article.", "parent_id": null, "depth": 1, "replie...
1,760,374,379.232827
https://hackaday.com/2018/05/08/push-it-to-the-limit-ssd1306-at-150-fps/
Push It To The Limit: SSD1306 At 150 FPS
Tom Nardi
[ "Arduino Hacks", "Microcontrollers", "Software Hacks" ]
[ "arduino", "ARM assembly", "i2c", "oled", "ssd1306" ]
https://hackaday.com/wp-…6_feat.jpg?w=800
A good deal of the projects we cover here at Hackaday are not, in the strictest sense, practical endeavors. If we required that everything which graced our digital pages had a clear end result, the site would be in a rather sad state of affairs. Sometimes it’s enough just to do something for the challenge of it. But mo...
38
10
[ { "comment_id": "4537352", "author": "BillSF9c", "timestamp": "2018-05-09T05:25:28", "content": "Curious about the machine not caring if an acknowledgement was sent or not. I wonder what writer/programmer wrote that, and who dreamed it up? As a human, when I call a bank and get a machine, I know whe...
1,760,374,379.45443
https://hackaday.com/2018/05/08/windows-notepad-now-supports-unix-line-endings/
Windows Notepad Now Supports Unix Line Endings
Brian Benchoff
[ "Linux Hacks", "News" ]
[ "Notepad++", "The Greatest Thing Ever" ]
https://hackaday.com/wp-…before.png?w=800
In what is probably this century’s greatest advancement in technology, Windows Notepad now supports Unix line endings . This is it, people. Where were you when Kennedy was assassinated? Where were you when Neil Armstrong set foot on the moon? Where were you when Challenger blew up? Where are you now? Previously, Window...
141
34
[ { "comment_id": "4537013", "author": "snowbell", "timestamp": "2018-05-09T02:02:53", "content": "The future is now.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4538145", "author": "Ren", "timestamp": "2018-05-09T13:32:43", "content...
1,760,374,379.702276
https://hackaday.com/2018/05/08/putting-the-mooshimeter-to-sleep-with-a-bit-of-mercury/
Putting The Mooshimeter To Sleep With A Bit Of Mercury
Tom Nardi
[ "Tool Hacks" ]
[ "mercury", "Mooshimeter", "multimeter", "tilt switch" ]
https://hackaday.com/wp-…i_feat.jpg?w=800
If you haven’t heard of it, the Mooshimeter is a two channel multimeter that uses your smartphone as a display over Bluetooth 4.0. The ability to simultaneously monitor voltage and current is rather unique, and the fact that you aren’t physically tethered to the thing makes it ideal for use in hard to reach or even dan...
33
17
[ { "comment_id": "4536647", "author": "Vinalon", "timestamp": "2018-05-08T23:22:22", "content": "Cool – I wonder if you could pair to it with one of those NRF52 chips and run a small ‘puck’ readout with an OLED panel.", "parent_id": null, "depth": 1, "replies": [ { "comment_...
1,760,374,379.311223
https://hackaday.com/2018/05/08/stomping-microcontrollers-arduino-mega-guitar-effects-pedal/
Stomping On Microcontrollers: Arduino Mega Guitar Effects Pedal
Ben James
[ "Arduino Hacks", "digital audio hacks", "Musical Hacks" ]
[ "arduino", "audio", "dsp", "electrosmash", "guitar", "mega", "open source", "pedal", "pedalshield", "shield" ]
https://hackaday.com/wp-…d_mega.jpg?w=800
Effects pedals: for some an object of overwhelming addiction, but for many, an opportunity to hack. Anyone who plays guitar (or buys presents for someone who does) knows of the infinite choice of pedals available. There are so many pedals because nailing the tone you hear in your head is an addictive quest, an itch tha...
18
6
[ { "comment_id": "4536415", "author": "daid303", "timestamp": "2018-05-08T20:29:15", "content": "I cannot help to think how awful this will work. The ADCs in the AVR chips are the worst of it’s kind, with a bit of luck you get 8 bits of actual data out of them, the rest is just noise.As there is enou...
1,760,374,379.371135
https://hackaday.com/2018/05/08/mikes-robot-dog-is-a-first-step-in-the-right-direction/
Mike’s Robot Dog Is A First Step In The Right Direction
Steven Dufresne
[ "Robots Hacks", "The Hackaday Prize" ]
[ "2018 Hackaday Prize", "boston dynamics", "Google AIY", "legged", "robot", "walking robot" ]
https://hackaday.com/wp-…dog_fe.jpg?w=800
Humans can traverse pretty much any terrain thanks to their legs and fast-acting balancing system. So if you want a robot which should have equal flexibility, legs are a good way to go, this confirmed by all the achievements of Boston Dynamics’ robots. It was therefore natural for [Mike Rigsby] to model his robot dog a...
13
4
[ { "comment_id": "4536310", "author": "Michaël", "timestamp": "2018-05-08T19:20:02", "content": "I worked on this one at university.https://www.youtube.com/watch?v=jgIpka7kXLAYou need lots of motor power in the joints to get something of locomotion.", "parent_id": null, "depth": 1, "repli...
1,760,374,379.503852
https://hackaday.com/2018/05/08/sophie-wilson-arm-and-how-making-things-simpler-made-them-faster-more-efficient/
Sophie Wilson: ARM And How Making Things Simpler Made Them Faster & More Efficient
Richard Baguley
[ "Biography", "Hackaday Columns", "Interest", "Original Art" ]
[]
https://hackaday.com/wp-…wilson.jpg?w=800
Sophie Wilson is one of the leading lights of modern CPU design. In the 1980s, she and colleague Steve Furber designed the ARM architecture, a new approach to CPU design that made mobile computing possible. They did this by realizing that you could do more, and quicker, with less. If you’ve use a Raspberry Pi, or any o...
84
20
[ { "comment_id": "4535873", "author": "David Cramer", "timestamp": "2018-05-08T17:10:54", "content": "Wow… The lack of historical acknowledgment of Bill Mensch and The Western Design Center (which is still in business btw) is just an injustice to the piece. Sadly this small reference made a huge impa...
1,760,374,379.898098
https://hackaday.com/2018/05/07/raspberry-pi-becomes-cycle-exact-commodore-drive-emulator/
Raspberry Pi Becomes Cycle Exact Commodore Drive Emulator
Brian Benchoff
[ "classic hacks", "Raspberry Pi", "Slider" ]
[ "1541", "commodore", "Commodore 1541", "commodore 64", "raspberry pi", "sd2iec" ]
https://hackaday.com/wp-…641541.jpg?w=800
The Commodore 1541 disk drive is unlike anything you’ll ever see in modern computer hardware. At launch, the 1541 cost almost as much as the Commodore 64 it was attached to ($400, or about $1040 at today’s value). This drive had a CPU, and had its own built-in operating system. Of course, anyone using a Commodore 64 no...
83
20
[ { "comment_id": "4533467", "author": "sajattack", "timestamp": "2018-05-07T20:08:13", "content": "Now you tell me. I just ordered some sd2iec boards.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4533944", "author": "Genki", "timestamp": "20...
1,760,374,380.014699
https://hackaday.com/2018/05/07/smartwatch-fights-anxiety-with-action/
Smartwatch Fights Anxiety With Action
Kristina Panos
[ "Lifehacks", "The Hackaday Prize", "Wearable Hacks" ]
[ "2018 Hackaday Prize", "heart rate sensor", "oled", "Qduino", "vibration motor" ]
https://hackaday.com/wp-…er-800.png?w=800
In our fast-paced modern world, it’s no wonder that so many suffer from anxiety and panic attacks. There are several time-worn techniques for dealing with the symptoms of these attacks. But as anyone who’s ever suffered such an attack can tell you, it can be difficult to sense one coming on until it’s too late. By then...
15
6
[ { "comment_id": "4533375", "author": "Ren", "timestamp": "2018-05-07T19:23:48", "content": "For a moment I thought this was a case of “deja vu all over again”https://hackaday.com/2018/05/04/hacked-fitness-trackers-aim-to-improve-mental-and-physical-health/", "parent_id": null, "depth": 1, ...
1,760,374,379.771138
https://hackaday.com/2018/05/07/printed-it-toolbag-essentials/
Printed It: Toolbag Essentials
Tom Nardi
[ "3d Printer hacks", "Hackaday Columns", "Skills", "Slider", "Tool Hacks" ]
[ "organization", "Printed It", "soldering", "tools", "tweezers", "wire stripper" ]
https://hackaday.com/wp-…g_feat.jpg?w=800
While complex devices assembled from 3D printed components are certainly impressive, it’s the simple prints that have always held the most appeal to me personally. Being able to pick an object up off the bed of your printer and immediately put it to use with little to no additional work is about as close as we can get ...
26
3
[ { "comment_id": "4533176", "author": "Mike Massen", "timestamp": "2018-05-07T17:24:26", "content": "Excellent post, nice ideas, all fitting within nicely crafted areas ina portable tool box with lights, space for 18650’s, charger, minidrill etc – Something I would have loved just 30 years ago onserv...
1,760,374,380.093648
https://hackaday.com/2018/05/07/double-the-resolution-from-an-arduino-adc/
Double The Resolution, From An Arduino ADC
Jenny List
[ "Arduino Hacks" ]
[ "adc", "adc resolution", "Analog-to-digital converter" ]
https://hackaday.com/wp-…atured.jpg?w=800
Analog-to-digital converters, or ADCs, are somewhat monolithic devices for most users, a black box that you ask nicely for the value on its input, and receive a number in return. For most readers, they will be built into whatever microcontroller is their platform of choice, and their resolution will be immutable, set b...
29
11
[ { "comment_id": "4533012", "author": "bty", "timestamp": "2018-05-07T15:56:08", "content": "the first line of the second paragraph makes absolutely no sense, and there’s no mention of oversampling, an actual method for increasing effective resolution and improve SNR.", "parent_id": null, "de...
1,760,374,380.270901
https://hackaday.com/2018/05/07/the-aluminum-wiring-fiasco/
The Aluminum Wiring Fiasco
Dan Maloney
[ "Featured", "History", "Original Art", "Slider" ]
[ "aluminum", "copper", "electrical grid", "home", "mains electricity", "mains wiring", "wiring" ]
https://hackaday.com/wp-…wiring.jpg?w=800
Someone who decides to build a house faces a daunting task. It’s hard enough to act as the general contractor for someone else, but when you decide to build your own house, as my parents did in the early 1970s, it’s even tougher. There are a million decisions to make in an information-poor and rapidly changing environm...
141
30
[ { "comment_id": "4532850", "author": "Rog Fanther", "timestamp": "2018-05-07T14:21:13", "content": "So, buying cheap things without undestand they are you cannot expect quality ?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4532854", "author": "Rog...
1,760,374,380.571221
https://hackaday.com/2018/05/07/3d-printed-bicycle-tire-not-full-of-hot-air/
3D Printed Bicycle Tire Not Full Of Hot Air
Al Williams
[ "3d Printer hacks" ]
[ "3d printer", "3d printing", "bicycle", "bicycle tire", "TPU" ]
https://hackaday.com/wp-…5/bike.png?w=800
To show off its new TPU filament called PRO FLEX, BigRep GmbH posted a video showing a 3D printed bike tire that uses a flexible plastic structure instead of air. The video shows them driving the bike around Berlin. According to the company, the filament will allow the creation of a large number of industrial objects n...
30
16
[ { "comment_id": "4532656", "author": "Saabman", "timestamp": "2018-05-07T11:56:29", "content": "I remember some 30 years ago having airless tyres on my push bike – holy shit were they crap – hard as rock and if it was hot day and you went to fast the tyre would separate from the rim and as long as y...
1,760,374,380.640976
https://hackaday.com/2018/05/07/ah-1-cobra-tap-handle-pours-on-the-fun/
AH-1 Cobra Tap Handle Pours On The Fun
Tom Nardi
[ "Beer Hacks", "Weapons Hacks" ]
[ "AH-1 Cobra", "beer tap", "flight stick", "sound board" ]
https://hackaday.com/wp-…_feat1.jpg?w=800
Ayn Rand said, “If it’s worth doing, it’s worth overdoing.” As far as we’re concerned those are words to live by, and something that’s exemplified by most of the posts on this site. She also said some really suspect stuff about the disabled and Native Americans and reality, but you’ve got to take the good with the bad ...
19
5
[ { "comment_id": "4532372", "author": "Justice", "timestamp": "2018-05-07T08:56:19", "content": "Quoting Ayn Rand. I have instantly lost respect for Hackaday, which I like loads. Even though it may only be [Tom Nardi] to responsible here.Hackaday, please get your act together. We don’t need Rand’ Obj...
1,760,374,380.378079
https://hackaday.com/2018/05/06/algorithms-for-visual-learners/
Algorithms For Visual Learners
Al Williams
[ "Software Development" ]
[ "algorithms", "computer science", "education" ]
https://hackaday.com/wp-…5/algo.png?w=800
Computer programming is a lot like chess. It is fairly simple to teach people the moves. But knowing how the pieces move isn’t the reason you can win. You have to understand how the pieces work together. It is easy to learn the mechanics of a for loop or a Java interface. But what makes programs work are algorithms. Th...
10
9
[ { "comment_id": "4532311", "author": "MacSimski", "timestamp": "2018-05-07T08:03:26", "content": "looks promising, unfortunately does not work well on small screens like phones. :-(", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4532603", "author": "Intern...
1,760,374,380.31907
https://hackaday.com/2018/05/06/the-adafruit-feather-is-a-thing/
The Adafruit Feather Is A Thing
Brian Benchoff
[ "Microcontrollers" ]
[ "Adafruit Feather", "add-on", "arduino", "cape", "Feather", "shield" ]
https://hackaday.com/wp-…family.jpg?w=800
A few years ago, Adafruit launched the Feather 32u4 Basic Proto. This tiny development board featured — as you would expect — an ATMega32u4 microcontroller, a USB port, and a battery charging circuit for tiny LiPo batteries. It was, effectively, a small Arduino clone with a little bit of extra circuitry that made it gr...
44
11
[ { "comment_id": "4531885", "author": "gregkennedy", "timestamp": "2018-05-07T02:25:22", "content": "The 32u8 is really a fantastic chip. Building (pretty much) any dev board around it is a breeze.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4531899", ...
1,760,374,380.951445
https://hackaday.com/2018/05/06/hackaday-links-may-6th-2018/
Hackaday Links: May 6th 2018
Brian Benchoff
[ "Hackaday links" ]
[ "apple", "bad obsession", "biohacking", "deadbugging", "defcon", "PVC" ]
https://hackaday.com/wp-…banner.jpg?w=800
Way back in the day, if you were exceptionally clever, you could just solder more RAM to your computer. You did this by taking a DIP, stacking it on top of an existing RAM chip, bending out the enable pin, and soldering everything down. Wire the enable pin to an address pin, and you have more RAM. [Eric] wanted to get ...
36
14
[ { "comment_id": "4531692", "author": "Saabman", "timestamp": "2018-05-06T23:40:02", "content": "“As further evidence that Apple hardware sucks”Hang on shouldn’t that be evidence of the brilliance of Apple engineers that they have developed an overunity device and quietly introduced it to the world w...
1,760,374,380.801833
https://hackaday.com/2018/05/06/morse-code-blinking-jewelry/
Morse Code Blinking Jewelry
Rich Hawkes
[ "Microcontrollers", "The Hackaday Prize", "Wearable Hacks" ]
[ "2018 Hackaday Prize", "blinking led", "jewelry", "led", "luxeon", "microcontroller", "morse code", "PIC microcontroller" ]
https://hackaday.com/wp-…eature.png?w=800
With the size of electronic parts and batteries these days, very small items are obviously becoming more and more viable. [Yann Guidon] has made some awesome pieces of LED jewelry using a minimal number of surface mount parts and a small lithium-ion battery. To make the jewelry stand out a bit, other than just blinking...
13
6
[ { "comment_id": "4531443", "author": "nino", "timestamp": "2018-05-06T20:46:58", "content": "Although I´m not an English native speaker, I was struck by the beauty of this text, especially the generation part of it.", "parent_id": null, "depth": 1, "replies": [ { "comment_i...
1,760,374,380.730156
https://hackaday.com/2018/05/06/hurricane-simulator-buoys-research/
Hurricane Simulator Buoys Research
Kristina Panos
[ "Lifehacks", "Misc Hacks" ]
[ "hurricane", "hurricane season", "hurricane simulator", "sea spray" ]
https://hackaday.com/wp-…or-800.png?w=800
They say an ounce of prevention is worth a pound of cure. In this case, 38,000 gallons of seawater is worth an un-quantifiable amount of knowledge about hurricanes. At the University of Miami’s Rosenstiel School of Marine and Atmospheric Science, [Brian Haus] and his colleagues study hurricanes using a simulator–an enc...
1
1
[ { "comment_id": "4533372", "author": "Murdock", "timestamp": "2018-05-07T19:22:49", "content": "Is swimming allowed?", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,374,380.678431
https://hackaday.com/2018/05/06/a-home-network-security-system-and-a-hidden-room-behind-a-bookcase/
A Home Network, Security System, And A Hidden Room Behind A Bookcase
James Hobson
[ "home hacks", "Network Hacks", "Raspberry Pi", "Security Hacks" ]
[ "automation", "bookshelf", "Drywall", "home", "magnetic lock", "security", "ups", "woodworking" ]
https://hackaday.com/wp-…lqfkuv.jpg?w=800
Ok, now this is something special. This is a home network and security system that would make just about anyone stop, and with jaw hanging agape, stare, impressed at the “several months of effort” it took [timekillerjay] to install their dream setup. Just. Wow. Want a brief rundown of the diverse skill set needed to pu...
33
11
[ { "comment_id": "4530891", "author": "e", "timestamp": "2018-05-06T14:19:10", "content": "I am really curious to know what the average power draw for the hardware would be.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4531695", "author": "Jason", ...
1,760,374,380.871575
https://hackaday.com/2018/05/06/ham-reviews-minivna/
Ham Reviews MiniVNA
Al Williams
[ "Radio Hacks", "Tool Hacks" ]
[ "minivna", "minvna pro", "vector network analyzer", "vna" ]
https://hackaday.com/wp-…minvna.png?w=800
[KB9RLW] wanted to build a vector network analyzer (VNA), but then realized he could buy a ready-made one without nearly the cost it would have been only a few years ago. The network in this case, by the way, is an electrical network, not a computer network. You can use a VNA to characterize components, circuits, anten...
19
7
[ { "comment_id": "4530665", "author": "Mike", "timestamp": "2018-05-06T11:15:17", "content": "http://miniradiosolutions.com/pro-vs-tiny/The “pro” model described here only goes up to 200 mhz. NOT 3 ghz as claimed here. The “tiny” model is the 3 ghz unit", "parent_id": null, "depth": 1, "r...
1,760,374,381.006298
https://hackaday.com/2018/05/06/glow-in-the-dark-globe-on-a-spherical-screen/
Glow In The Dark Globe On A Spherical Screen
James Hobson
[ "3d Printer hacks", "LED Hacks" ]
[ "earth", "globe", "glow in the dark", "nightlight", "stepper motor", "Teensy", "world", "ws2812b" ]
https://hackaday.com/wp-…-imgur.gif?w=728
Terrestrial globes are almost a thing of the past in an era of Google Earth, but they can still be an exciting object worth hacking together, as [Ivan Miranda] shows with his glow-in-the-dark globe . It’s a globe, it’s a display, and it’s a great use of glow in the dark filament. For the mechanical part of this build, ...
18
7
[ { "comment_id": "4530324", "author": "Redhatter (VK4MSL)", "timestamp": "2018-05-06T08:16:10", "content": "Despite the resulting continental projection being upside-down, it worked!Who says the earth isn’t that way around anyway? Maybe you northern hemisphere folk have been standing on your heads a...
1,760,374,381.064379
https://hackaday.com/2018/05/05/crawling-a-dungeon-64-pixels-at-a-time/
Crawling A Dungeon, 64 Pixels At A Time
Dan Maloney
[ "Games", "LED Hacks" ]
[ "74hc595", "arduino", "Battle", "dungeon crawler", "game", "mob", "rgb" ]
https://hackaday.com/wp-…435955.png?w=800
The trend in video games is toward not being able to differentiate them from live-action theatrical releases, and games studios are getting hard to tell from movie studios. But quality graphics don’t always translate into quality gameplay, and a lot can be accomplished with minimalist graphics. Turn the clock back a fe...
7
4
[ { "comment_id": "4530185", "author": "TGT", "timestamp": "2018-05-06T06:18:47", "content": "This is super cool. You could really do a lot with the concept. I’d love to see a big ol’ atomic-age style arcade cabinet with metal art deco flourishes and a 64-pixel VFD display of some kind on the front. L...
1,760,374,381.110914
https://hackaday.com/2018/05/05/printed-circuits-in-the-palm-of-your-hand/
Printed Circuits In The Palm Of Your Hand
James Hobson
[ "3d Printer hacks", "Wearable Hacks" ]
[ "bio ink", "conductive filament", "conductive ink", "mobile printing", "silver flake", "skin cells" ]
https://hackaday.com/wp-…-imgur.gif?w=728
If you’ve ever wanted to more fully integrate yourself with technology, you might have to thank a team of researchers — led by [Michael McAlpine] — at the University of Minnesota in the near future. They’ve developed a technique that allows circuits to be printed directly onto your skin , with the team arguing — once t...
11
10
[ { "comment_id": "4529902", "author": "Internet", "timestamp": "2018-05-06T02:30:24", "content": "Similar but a good bit more permanent.https://www.youtube.com/watch?v=euTsgTBHFwY", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4529911", "author": "Gravis", ...
1,760,374,381.339405
https://hackaday.com/2018/05/05/lora-system-commands-drones-from-a-distance/
LoRa System Commands Drones From A Distance
Richard Baguley
[ "drone hacks", "Wireless Hacks" ]
[ "drone", "LoRa" ]
https://hackaday.com/wp-…drone1.jpg?w=800
LoRa has been making quite a stir in hacker circles over the past couple of years, as it offers a fascinating combination of long range, low power, and low cost. It does this by using spread spectrum techniques on unlicensed frequency bands, meaning it can send data a surprising distance and that you don’t need a radio...
11
7
[ { "comment_id": "4529794", "author": "Ostracus", "timestamp": "2018-05-06T00:44:13", "content": "Hacking’s nice, but LoRa seems to be a niche in the consumer and business market. Even ZigBee seems to be wider spread, especially in some power meters.", "parent_id": null, "depth": 1, "repl...
1,760,374,381.389914
https://hackaday.com/2018/05/05/low-cost-eye-tracking-with-webcams-and-open-source-software/
Low-Cost Eye Tracking With Webcams And Open-Source Software
Dan Maloney
[ "The Hackaday Prize" ]
[ "2018 Hackaday Prize", "cornea", "eye tracking", "glasses", "Logitech C270", "ocular", "usb", "webcam" ]
https://hackaday.com/wp-…664952.png?w=800
“What are you looking at?” Said the wrong way, those can be fighting words. But in fields as diverse as psychological research and user experience testing, knowing what people are looking at in real-time can be invaluable. Eye-tracking software does this, but generally at a cost that keeps it out of the hands of the ho...
10
7
[ { "comment_id": "4529439", "author": "Ostracus", "timestamp": "2018-05-05T20:10:49", "content": "Now just think what a webcam with a Movidius MA2450 vision processor could do?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4529924", "author": "Gravis...
1,760,374,381.51796
https://hackaday.com/2018/05/05/fail-of-the-week-never-assume-all-crystals-are-born-equal/
Fail Of The Week: Never Assume All Crystals Are Born Equal
Jenny List
[ "Fail of the Week", "Radio Hacks" ]
[ "crystal", "hc-12", "radio", "radio module", "serial wireless module" ]
https://hackaday.com/wp-…atured.jpg?w=800
You should be used to our posting the hacks that didn’t quite go according to plan under our Fail Of The Week heading, things that should have worked, but due to unexpected factors, didn’t. They are the fault, if that’s not too strong a term, of the person making whatever the project is, and we feature them not in a sp...
23
10
[ { "comment_id": "4529249", "author": "Ostracus", "timestamp": "2018-05-05T17:28:51", "content": "Handy to have the equipment to detect and fix such things.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4529425", "author": "Internet", "timest...
1,760,374,381.632999
https://hackaday.com/2018/05/05/hardware-acceleration-in-the-cloud/
Hardware Acceleration In The Cloud
Al Williams
[ "FPGA" ]
[ "accelize", "cloud", "fpga" ]
https://hackaday.com/wp-…/accel.png?w=800
Computers are great at a lot of things. However, general-purpose computers can benefit from help on certain tasks, which is why your video card and sound card both have their own specialized hardware to offload the CPU. If Accelize has its way, some of your hardware acceleration will be done in the cloud . Yes, we know...
30
12
[ { "comment_id": "4529004", "author": "Ostracus", "timestamp": "2018-05-05T14:30:03", "content": "Be nice if Project Everest was available this way, since it’s already aiming for the cloud.https://www.anandtech.com/show/12509/xilinx-announces-project-everest-fpga-soc-hybrid", "parent_id": null, ...
1,760,374,381.460333
https://hackaday.com/2018/05/05/simple-home-built-projection-clock-projects-time/
Simple Home-built Projection Clock Projects Time
Richard Baguley
[ "Arduino Hacks", "LED Hacks" ]
[ "clock", "lcd", "led" ]
https://hackaday.com/wp-…clock1.jpg?w=800
There are plenty of cheap projection clocks available, but as [Thomas Pototschnig] points out in this project, where’s the fun in just buying something? He set out to build a cheap projection clock using a small LCD screen, a cheap LED backlight, and a cheap lens. (Website seems down, try this link courtesy of the Inte...
16
8
[ { "comment_id": "4528783", "author": "danjovic", "timestamp": "2018-05-05T11:48:59", "content": "Awesome and well built!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4528880", "author": "Ostracus", "timestamp": "2018-05-05T12:52:36", "content": "...
1,760,374,381.574692
https://hackaday.com/2018/05/05/giving-an-led-bulb-some-smarts/
Giving An LED Bulb Some Smarts
James Hobson
[ "LED Hacks", "Slider", "Wireless Hacks" ]
[ "Hi-link", "neopixel", "Power Module", "Smart Bulb", "wemos d1 mini" ]
https://hackaday.com/wp-…smarts.jpg?w=800
How many of your projects been spawned purely out of bored daydreaming? For want of something more productive to do, [dantheflipman] hacked a standard LED bulb from Wal-Mart into a smart bulb . After pulling it apart, they soldered wires to the threaded socket and added a connector for a Hi-Link hlk-pm01 power module. ...
54
9
[ { "comment_id": "4528684", "author": "agioj", "timestamp": "2018-05-05T10:01:08", "content": "It’s useless. There is only one kind of lighting that’s useful – classic incandescent. Anything else is eye-damaging rubbish.", "parent_id": null, "depth": 1, "replies": [ { "comme...
1,760,374,383.546274
https://hackaday.com/2018/05/04/super-simple-super-cheap-fpv-drone-tracking/
Super Simple, Super Cheap FPV Drone Tracking
Dan Maloney
[ "drone hacks" ]
[ "diversity", "first person view", "FPV", "received signal strength indicator", "RSSI", "servo", "tracking" ]
https://hackaday.com/wp-…318234.jpg?w=799
What’s more disruptive to the drone first-person view (FPV) experience than dropouts in your video feed when you’re in the middle of a race? Probably nothing, and there’s probably also not much you can do about it. Or is there? Might a simple tracker based on RSSI help keep your video signal locked in? Honestly, we’re ...
20
8
[ { "comment_id": "4528366", "author": "agioj", "timestamp": "2018-05-05T05:06:31", "content": "Flying drone past line of sight is a crime.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4528442", "author": "DC", "timestamp": "2018-05-05T06:22:...
1,760,374,383.6449
https://hackaday.com/2018/05/04/high-end-pc-gets-a-rustic-woodworking-piece-of-art-for-a-case/
High End PC Gets A Rustic Woodworking Piece Of Art For A Case
James Hobson
[ "computer hacks" ]
[ "build", "case", "Case mod", "cpu", "disguise", "gpu", "heat pipe", "pc", "rope", "woodworking" ]
https://hackaday.com/wp-…pture1.jpg?w=800
As [Matt] from [DIY Perks] was about to assemble a new PC, he decided to take a unique direction when it came to building a case. Despite the appearance of a woodworking piece with weird industrial radiators, there is actually a full-fledged, high-end PC hidden inside . Those radiators are a pair of almost-the-biggest-...
17
12
[ { "comment_id": "4528153", "author": "Truth", "timestamp": "2018-05-05T02:13:19", "content": "I’m looking at it and thinking that the upside down heat sink has no gravity to move the liquid coolant to the source of the heat. Am I wrong ?", "parent_id": null, "depth": 1, "replies": [ ...
1,760,374,383.968127
https://hackaday.com/2018/05/04/making-vintage-computing-easy-the-hard-way/
Making Vintage Computing Easy, The Hard Way
Dan Maloney
[ "Retrocomputing" ]
[ "bios", "dual port", "floppy", "Int13h", "isa", "PC-XT", "ram", "retro", "vintage" ]
https://hackaday.com/wp-…761250.jpg?w=800
If you want to not take for granted how easy and seamless computers have become, take up vintage computing as a hobby. If you venture down the retro path, you’ll quickly question how anyone ever got any useful work done with computers, and the farther back you go in computer history, the more difficult everything seems...
35
12
[ { "comment_id": "4527921", "author": "RÖB", "timestamp": "2018-05-04T23:54:14", "content": "The Pi Zero has more computational power then the XT it’s interfacing to.So I call this a cheat, but it’s a nice cheat lol. Well done.", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,374,384.039694
https://hackaday.com/2018/05/04/a-mobile-terminal-for-guerrilla-communications/
A Mobile Terminal For Guerrilla Communications
Tom Nardi
[ "Arduino Hacks", "Wireless Hacks" ]
[ "arduino mega", "communications", "decentralized", "ESP8266", "wi-fi" ]
https://hackaday.com/wp-…a_feat.jpg?w=800
We use the Internet to do everything from filing our taxes to finding good pizza, but most critically it fulfills nearly all of our communication needs. Unfortunately, this reliance can be exploited by those pulling the strings; if your government is trying to do something shady, the first step is likely to be effectin...
25
8
[ { "comment_id": "4527641", "author": "Ren", "timestamp": "2018-05-04T20:46:22", "content": "Interesting.I can see a bunch of these in the hands of anarchists causing widespread dissemination of information quickly.", "parent_id": null, "depth": 1, "replies": [ { "comment_id...
1,760,374,383.393682
https://hackaday.com/2018/05/04/hacked-fitness-trackers-aim-to-improve-mental-and-physical-health/
Hacked Fitness Trackers Aim To Improve Mental And Physical Health
Dan Maloney
[ "The Hackaday Prize", "Wearable Hacks" ]
[ "2018 Hackaday Prize", "aversion", "behavior", "compulsive", "fitness band", "mental health", "repetitive", "wearable", "X9 Pro" ]
https://hackaday.com/wp-…604883.png?w=800
We all know that the mind can affect the body in dramatic ways, but we tend to associate this with things like the placebo effect or psychosomatic illnesses. But subtle clues to the mind-body relationship can be gleaned from the way the body moves, and these hacked fitness monitors can be used to tease data from the ba...
5
4
[ { "comment_id": "4527506", "author": "Ren", "timestamp": "2018-05-04T19:21:48", "content": "Here’s a seller link $30.10https://www.gearbest.com/smart-watches/pp_675971.html?currency=USD&vip=4264393&gclid=EAIaIQobChMIieap7-Ls2gIVA77ACh2Lhg4sEAYYASABEgJjNvD_BwE", "parent_id": null, "depth": 1,...
1,760,374,383.323906
https://hackaday.com/2018/05/04/biasing-that-transistor-part-1-the-common-emitter-amplifier/
Biasing That Transistor: The Common Emitter Amplifier
Jenny List
[ "Featured", "how-to", "Original Art", "Skills", "Slider" ]
[ "transistor", "transistor amplifier", "transistor biasing" ]
https://hackaday.com/wp-…lifier.jpg?w=800
If you open up the perennial favourite electronics textbook The Art Of Electronics and turn to the section on transistors, you will see a little cartoon. A transistor is shown as a room in which “transistor man” stands watching a dial showing the base current, while adjusting a potentiometer that limits the collector c...
84
20
[ { "comment_id": "4527355", "author": "nsayer", "timestamp": "2018-05-04T17:07:45", "content": "The “transistor man” lives in a MOSFET too, but he has a voltmeter instead of an ammeter.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4527464", "author"...
1,760,374,384.165236
https://hackaday.com/2018/05/04/make-3d-modeling-childs-play-with-a-can-of-play-doh/
Make 3D-Modeling Child’s Play With A Can Of Play-Doh
Dan Maloney
[ "3d Printer hacks", "Toy Hacks" ]
[ "casting", "clay", "compound", "Fusion 360", "impression", "modeling", "play-doh" ]
https://hackaday.com/wp-…912708.png?w=800
You need to replicate a small part on a 3-D printer, so you start getting your tools together. Calipers, rulers, and a sketch pad at a minimum, and if you’re extra fancy, maybe you pull out a 3D-scanner to make the job really easy. But would you raid your kid’s stash of Play-Doh too? You might, if you want to follow [V...
7
4
[ { "comment_id": "4527214", "author": "weirdwhit", "timestamp": "2018-05-04T16:08:30", "content": "Clever", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4527246", "author": "Internet", "timestamp": "2018-05-04T16:21:23", "content": "Obsolete kids is...
1,760,374,383.585509
https://hackaday.com/2018/05/04/ask-hackaday-whatever-happened-to-wire-wrapping/
Ask Hackaday: Whatever Happened To Wire Wrapping?
Dan Maloney
[ "Ask Hackaday", "Hackaday Columns", "Interest", "Slider" ]
[ "bit", "cold weld", "gas tight", "joint", "Kynar", "post", "prototyping", "socket", "telco", "terminal", "wire wrap", "wrapping" ]
https://hackaday.com/wp-…744510.png?w=800
Back in the 70s when I started getting interested in electronics, tons of magazines catered to the hobbyist market. Popular Electronics was my favorite, and I think I remember the advertisements more than anything, probably because they outnumbered articles by a large margin. Looking back, it seemed like a lot of ad sp...
130
50
[ { "comment_id": "4526961", "author": "Ted", "timestamp": "2018-05-04T14:08:17", "content": "Someone needs to design some SMD-to-WW breakouts so you can use this technique with modern parts.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4526991", "au...
1,760,374,383.801014
https://hackaday.com/2018/05/04/commodore-64-to-raspberry-pi-conversion-is-respectful-complete/
Commodore 64 To Raspberry Pi Conversion Is Respectful & Complete
Richard Baguley
[ "classic hacks", "computer hacks", "Raspberry Pi", "Retrocomputing" ]
[ "c64", "emulation", "Pi", "retrocomputing" ]
https://hackaday.com/wp-…pi-c64.jpg?w=800
We’re big fans of taking old computers and giving them a new lease on life, but only when it is done respectfully. That means no cutting, no hot glue, and no gouging out bits to make the new computer fit. It’s best if it can be done in a way that the original parts can be restored if required. This Commodore 64 to Rasp...
27
9
[ { "comment_id": "4526541", "author": "Steven-X", "timestamp": "2018-05-04T11:06:00", "content": "I now regret getting rid of my C-64 collection.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4526567", "author": "darkspr1te", "timestamp": "20...
1,760,374,383.459233
https://hackaday.com/2018/05/04/step-the-halbach-from-my-magnets/
Step The Halbach From My Magnets
Brian McEvoy
[ "Misc Hacks" ]
[ "array", "blog", "circular", "flying", "halbach", "halbach array", "hoverboard", "magnetics", "Mallinson", "matnets", "newsletter", "omnidirectional" ]
https://hackaday.com/wp-…-12-34.png?w=800
[Klaus Halbach] gets his name attached to these clever arrangements of permanent magnets but the effect was discovered by [John C. Mallinson]. Mallinson array sounds good too, but what’s in a name? A Halbach array consists of permanent magnets with their poles rotated relative to each other. Depending on how they’re ro...
5
4
[ { "comment_id": "4526926", "author": "Ostracus", "timestamp": "2018-05-04T13:51:44", "content": "Nice thing is how cheap the magnets are.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4527011", "author": "PirateLabs", "timestamp": "2018-05-0...
1,760,374,384.248138
https://hackaday.com/2018/05/03/portable-photo-booth-named-buzz/
Portable Photo Booth Named Buzz
James Hobson
[ "Portable Video Hacks", "Raspberry Pi" ]
[ "electron", "photo booth", "React", "touchscreen", "webcam", "yarn" ]
https://hackaday.com/wp-…photo1.jpg?w=800
We’re all used to posing for a picture — or a selfie — but there’s something about photo booths that make getting your photo taken an exciting and urgent affair. To make this experience a bit easier to tote about, Redditor [pedro_g_s] has laboriously built, from the ground up, a mobile photo booth named Buzz . He neede...
2
2
[ { "comment_id": "4527029", "author": "Tobi", "timestamp": "2018-05-04T14:33:35", "content": "Did the same setup some years ago for a wedding. I used a USB-foot-pedal with a few meters of cable as HID-device to trigger a countdown, then capture and display the picture.", "parent_id": null, "d...
1,760,374,384.207521
https://hackaday.com/2018/05/03/build-your-own-black-hole/
Build Your Own Black Hole
Richard Baguley
[ "LED Hacks" ]
[ "black hole", "lamp", "led", "singularity" ]
https://hackaday.com/wp-…atured.jpg?w=800
Okay, perhaps the title here is a bit of an exaggeration, but this black hole lamp made by [Will Donaldson] is an interesting approach to creating a black hole simulation without destroying the earth. This lamp uses a ring of LEDs surrounding a piece of black Lycra. A motor in the lamp base pulls the Lycra, representin...
23
7
[ { "comment_id": "4525795", "author": "Ostracus", "timestamp": "2018-05-04T02:12:40", "content": "Hmmm, wonder if the neighbors will notice if I build a black hole in the backyard?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4525955", "author": "In...
1,760,374,384.363741
https://hackaday.com/2018/05/03/3d-printed-tank-scores-suspension/
3D Printed Tank Scores Suspension
Lewin Day
[ "3d Printer hacks" ]
[ "3d printer", "suspension", "tank" ]
https://hackaday.com/wp-…in4505.jpg?w=800
Tanks are highly capable vehicles, with their tracks giving them the ability to traverse all manner of terrain at speed. An important part of a tank is its suspension setup, without which its treads are far less capable. When [Ivan]  began work on his 3D printed tank project, he couldn’t ignore the comments. His tank w...
10
6
[ { "comment_id": "4525742", "author": "bty", "timestamp": "2018-05-04T01:03:38", "content": "i understand wanting to 3D print as many parts as possible, but here i’d go for steel springs, those plastic ones are gonna break eventually imho", "parent_id": null, "depth": 1, "replies": [ ...
1,760,374,384.297703
https://hackaday.com/2018/05/03/colossal-hydraulic-hulkbuster-is-classic-colin-furze/
Colossal Hydraulic Hulkbuster Is Classic Colin Furze
Ben James
[ "Robots Hacks", "Weapons Hacks" ]
[ "avengers", "colin furze", "hulkbuster", "hydraulic", "james bruton" ]
https://hackaday.com/wp-…_house.jpg?w=800
[Colin Furze] is back at it – once again shrugging off the confines of feasibility and laughing in the face of sanity, all whilst sporting the signature tie with unrivalled style. Teaming up with [James Bruton], the result of their collective talent this time is a hydraulic hulkbuster suit , at a frankly ridiculous sca...
14
8
[ { "comment_id": "4525306", "author": "bigfoot_T", "timestamp": "2018-05-03T20:04:03", "content": "I’m jealous of anyone who gets to pay the bills by having this much fun! Saying that I still love this man…", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4525321...
1,760,374,384.445173
https://hackaday.com/2018/05/03/robot-radar-module/
Robot Radar Module
Anool Mahidharia
[ "The Hackaday Prize" ]
[ "60GHz", "Acconeer", "lidar", "radar", "robot", "sensor" ]
https://hackaday.com/wp-…atured.png?w=800
For his Hackaday Prize entry, [Ted Yapo] is building a Robot Radar Module breakout board. His design uses the A111 60 GHz pulsed coherent radar (PCR) sensor from Acconeer AB (New Part alert!) . The A111 is a low power, high precision sensor ideal for use in object detection or gesture sensing applications. The BGA pack...
25
12
[ { "comment_id": "4525089", "author": "eccentricelectron", "timestamp": "2018-05-03T18:36:05", "content": "Was just this afternoon looking at TI’s AWR1642 and friends. The A111 looks like it might be a viable alternative – cheaper, but probably less accurate.", "parent_id": null, "depth": 1, ...
1,760,374,384.934959
https://hackaday.com/2018/05/03/circuit-vr-sink-or-swim-with-current-sources/
Circuit VR: Sink Or Swim With Current Sources
Al Williams
[ "Hackaday Columns", "how-to" ]
[ "constant current source", "current sink", "current source", "LTSpice", "SPICE" ]
https://hackaday.com/wp-…cuitvr.jpg?w=800
If you got your start in electronics sometime after 1980 your first project might well have been to light up an LED. Microcontroller projects often light up an LED, too, and a blinking LED is something of the “hello world” program for embedded systems. If you tried lighting up your LED with a 9 V battery directly — not...
22
10
[ { "comment_id": "4525033", "author": "salec", "timestamp": "2018-05-03T18:01:20", "content": "You could stabilize constant current output with an inductor in series with load, for short transients of higher resistance of the load. That would make the current source “stiffer”.", "parent_id": null...
1,760,374,384.872623
https://hackaday.com/2018/05/03/san-francisco-lets-learn-to-build-some-robots/
San Francisco: Let’s Learn To Build Some Robots!
Mike Szczys
[ "cons", "Robots Hacks" ]
[ "First Robotics", "robotics", "san francisco", "workshop" ]
https://hackaday.com/wp-…atured.jpg?w=800
Hone your skills at basic robot building. You’re invited to join Hackaday for a Beginner Robotics Workshop on Saturday, May 12. For this workshop we’re pairing up with FIRST robotics mentors and students from the Bay Area. FIRST is an international high school robotics competition and you won’t believe what these teams...
1
1
[ { "comment_id": "4524876", "author": "Ostracus", "timestamp": "2018-05-03T16:34:12", "content": "“The workshop will start with an overview of the three major parts that go into a robot project: mechanical design, electronic design, and programming. ”The three laws will be in another workshop. :-p", ...
1,760,374,384.750211
https://hackaday.com/2018/05/03/smooth-pla-through-the-fire-and-flames/
Smooth PLA Through The Fire And Flames
Lewin Day
[ "3d Printer hacks" ]
[ "3d printer", "PLA", "smooth", "smoothing", "smoothing parts" ]
https://hackaday.com/wp-…in4504.jpg?w=800
3D printing makes it easy to produce complex geometries, but the fused deposition methods generally create parts with poor surface finish, largely due to the layers being highly visible in the finished part. There are a wide variety of ways to deal with this, often involving sanding parts after production, or the use o...
17
10
[ { "comment_id": "4524778", "author": "eccentricelectron", "timestamp": "2018-05-03T15:47:57", "content": "Presumably this would also work with a hot air rework station, with the benefit of precise temperature control?", "parent_id": null, "depth": 1, "replies": [ { "comment...
1,760,374,384.802002
https://hackaday.com/2018/05/03/3d-printering-which-raspberry-pi-is-best-at-slicing-in-octoprint/
3D Printering: Which Raspberry Pi Is Best At Slicing In Octoprint?
Tom Nardi
[ "3d Printer hacks", "Hackaday Columns", "Raspberry Pi", "Skills" ]
[ "cura", "OctoPi", "Octoprint", "raspberry pi", "slicer", "stl" ]
https://hackaday.com/wp-…y_feat.jpg?w=800
OctoPrint is arguably the ultimate tool for remote 3D printer control and monitoring. Whether you simply want a way to send G-Code to your printer without it being physically connected to your computer or you want to be able to monitor a print from your phone while at work, OctoPrint is what you’re looking for. The cor...
22
13
[ { "comment_id": "4524634", "author": "daid303", "timestamp": "2018-05-03T14:19:17", "content": "How sure are we on the compile options used for the CuraEngine on this test? The CuraEngine is full of 64bit integer math, and proper compile options for the target platform can make a huge difference. An...
1,760,374,385.007149
https://hackaday.com/2018/05/03/more-details-on-that-first-home-made-lithographically-produced-ic/
More Details On That First Home-Made Lithographically Produced IC
Jenny List
[ "chemistry hacks" ]
[ "diy", "home fab", "home made IC", "ic", "integrated circuit", "lithography" ]
https://hackaday.com/wp-…atured.jpg?w=800
A few days ago we brought you news of [Sam Zeloof]’s amazing achievement, of creating the first home-made lithographically produced integrated circuit. It was a modest enough design in a simple pair of differential amplifiers and all we had to go on was a Twitter announcement, but it promised a more complete write-up t...
19
5
[ { "comment_id": "4524309", "author": "Mike Massen", "timestamp": "2018-05-03T11:15:13", "content": "Hey good post congrats, enjoy these types of experiences and how toovercome various difficulties and whats need to improve chanceof positive outcomes. So I like his phrase:-“..but is largely dependent...
1,760,374,385.106114
https://hackaday.com/2018/05/03/playing-jedi-mind-tricks-on-your-tv/
Playing Jedi Mind-Tricks On Your TV
James Hobson
[ "Arduino Hacks", "home entertainment hacks" ]
[ "APDS-9960", "control", "gesture", "ir led", "jedi" ]
https://hackaday.com/wp-…atured.png?w=800
Gesture-enabled controls mean you get to live out your fantasy of wielding force powers. It does, however, take a bit of hacking to make that possible. Directly from the team at [circuito.io] comes a hand gesture controller for Jedi mind-trick manipulation of your devices! The star of the show here is the APDS-9960 RGB...
4
3
[ { "comment_id": "4524214", "author": "Alex", "timestamp": "2018-05-03T09:50:20", "content": "Very nice! I am using the same sensor along with a Wemos D1 mini to order beer.https://www.youtube.com/watch?v=-A77aQiz5kY", "parent_id": null, "depth": 1, "replies": [ { "comment_i...
1,760,374,385.046785
https://hackaday.com/2018/05/02/raspberry-pi-is-up-up-and-away/
Raspberry Pi Is Up Up And Away
Al Williams
[ "Raspberry Pi" ]
[ "amateur radio", "APRS", "BACAR", "balloon", "ham radio", "high altitude balloon", "raspberry pi" ]
https://hackaday.com/wp-…bascar.png?w=800
BACAR — Balloon Carrying Amateur Radio — is just what it sounds like. A high-altitude balloon carries experiments and communicates via amateur radio. [ZR6AIC] decided to fly a payload in a local BACAR experiment. The module would send its GPS position via the APRS network and also send a Morse code beacon every seven m...
3
2
[ { "comment_id": "4523744", "author": "Paul", "timestamp": "2018-05-03T05:40:19", "content": "I’ve participated in several of these kinds of balloon projects, one including the solar eclipse last year. They’re really a ton of fun. The flight is pretty rough for the electronics sometimes depending on ...
1,760,374,385.144803
https://hackaday.com/2018/05/02/soda-can-art/
Soda Can Art
Anool Mahidharia
[ "Misc Hacks" ]
[ "aluminum can", "Metal Origami", "Miura", "origami", "soda can" ]
https://hackaday.com/wp-…oah_02.png?w=800
A can of soda costs about half a dollar, and once you’re done with the sugary syrup, most cans end up in the trash headed for recycling. Some folks re-use them for other purposes, but we’re guessing no one up-cycles them quite like artist [Noah Deledda] does. He turns them into pieces of Soda Can art that sell for anyw...
37
16
[ { "comment_id": "4523413", "author": "scott t", "timestamp": "2018-05-03T02:07:38", "content": "that was quite a candid interview. I wonder if he’s from canada?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4523518", "author": "Simon", "time...
1,760,374,385.340275
https://hackaday.com/2018/05/02/oddball-mercury-vapor-rectifier-is-a-tube-geeks-delight/
Oddball Mercury Vapor Rectifier Is A Tube Geek’s Delight
Al Williams
[ "classic hacks" ]
[ "mercury vapor rectifier", "rectifier", "tube" ]
https://hackaday.com/wp-…4/tube.png?w=800
Even if you aren’t a tube aficionado, you can’t help but be mesmerized by the blue glow inside a mercury vapor rectifier when it operates. It looks less like early 20th century tech and more like something that belongs on a Star Trek set. [Uniservo] acquired an 866 rectifier that was interesting due to the markings, wh...
29
11
[ { "comment_id": "4523048", "author": "stefan_z", "timestamp": "2018-05-02T23:05:29", "content": "The stuff they had to come up with before there were 12 cent rectifiers…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4523274", "author": "Mantech1", ...
1,760,374,385.409879
https://hackaday.com/2018/05/02/the-incredible-shrinking-rework-station/
The Incredible Shrinking Rework Station
Tom Nardi
[ "hardware", "Tool Hacks" ]
[ "hot air rework station", "Kendal 853D", "sheet metalwork", "small space" ]
https://hackaday.com/wp-…d_feat.jpg?w=800
Anyone who’s ever tried setting up a workbench in a tight space knows the struggle: you want to have all your test equipment and tools out and within arm’s reach, but you just don’t have enough surface area. If you fill the whole bench with your tools, there’s not going to be anywhere left to work. So you either have a...
18
8
[ { "comment_id": "4522700", "author": "Ren", "timestamp": "2018-05-02T20:19:37", "content": "I nominate your first paragraph for a Pulitzer Prize.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4522750", "author": "Ostracus", "timestamp": "201...
1,760,374,385.473314
https://hackaday.com/2018/05/02/these-twenty-amazing-projects-won-the-open-hardware-design-challenge/
These Twenty Amazing Projects Won The Open Hardware Design Challenge
Brian Benchoff
[ "Hackaday Columns", "The Hackaday Prize" ]
[ "2018 Hackaday Prize", "open hardware", "Open hardware design challenge" ]
https://hackaday.com/wp-…atured.jpg?w=800
Right now, we’re running the greatest hardware competition on the planet. The Hackaday Prize is the Academy Awards of Open Hardware, and we’re opening the gates to thousands of hardware hackers, makers, and artist to create the next big thing. Last week, we wrapped up the first challenge in this year’s Hackaday Prize. ...
20
17
[ { "comment_id": "4522466", "author": "nixieguy", "timestamp": "2018-05-02T18:35:28", "content": "Yay!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4522482", "author": "Stephen Tranovich", "timestamp": "2018-05-02T18:42:23", "content": "These proj...
1,760,374,385.541073
https://hackaday.com/2018/05/02/directly-executing-chunks-of-memory-function-pointers-in-c/
Directly Executing Chunks Of Memory: Function Pointers In C
Sven Gregori
[ "Featured", "how-to", "Original Art", "Skills", "Slider", "Software Development" ]
[ "C language", "c programming", "c/c++", "function pointers", "programming language", "software development" ]
https://hackaday.com/wp-…inters.jpg?w=800
In the first part of this series, we covered the basics of pointers in C , and went on to more complex arrangements and pointer arithmetic in the second part. Both times, we focused solely on pointers representing data in memory. But data isn’t the only thing residing in memory. All the program code is accessible throu...
75
23
[ { "comment_id": "4522309", "author": "Antron Argaiv", "timestamp": "2018-05-02T17:13:12", "content": "C: the high-level language with the flexibility of assembly language combined with the readability and ease-of-use of assembly language! With great flexibility comes great responsibility…in this ca...
1,760,374,385.705659
https://hackaday.com/2018/05/02/friday-hack-chat-building-robotics-with-the-mearm/
Friday Hack Chat: Building Robotics With The MeArm
Brian Benchoff
[ "News" ]
[]
https://hackaday.com/wp-…header.png?w=800
Somewhere, in a storage closet used by every computer science or engineering program, is a robot arm. It’s there, you’ve probably never seen it, but it’s there. Originally, this hugely expensive robotic arm was intended to be a truly remarkable pedagogical tool, allowing students to learn about reverse kinematics and c...
8
4
[ { "comment_id": "4522387", "author": "Ostracus", "timestamp": "2018-05-02T18:03:16", "content": "” Originally, this hugely expensive robotic arm was intended to be a truly remarkable pedagogical tool, allowing students to learn about reverse kinematics and control systems.”Well that, and what happen...
1,760,374,385.588759
https://hackaday.com/2018/05/02/the-internet-of-claw-machines/
The Internet Of Claw Machines
Lewin Day
[ "classic hacks" ]
[ "claw", "claw machine", "claw machines", "ESP32", "Wemos" ]
https://hackaday.com/wp-…in4507.jpg?w=800
Remote administration of machines is a very useful tool for all manner of commercial, industrial, and home applications. Now, it’s available for claw machines, too – thanks to [Code Your Venture Free]. The project uses an ESP32 board that includes a battery case on the back for a standard 18650 lithium battery that mak...
8
4
[ { "comment_id": "4522210", "author": "DV Henkel-Wallace", "timestamp": "2018-05-02T16:15:29", "content": "Oh great, yet another way for amazon to replace warehouse workers. Hope you have Prime!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4522230", ...
1,760,374,385.750121
https://hackaday.com/2018/05/02/using-blockchain-explorer-apis-on-nodemcu/
Accessing Blockchain On ESP8266 Using The NodeMCU Board
Sean Boyce
[ "Featured", "how-to", "Microcontrollers", "Original Art", "Skills" ]
[ "api", "bitcoin", "blockchain", "cryptocurrency", "ESP8266", "Ethereum", "Etherscan", "Ethplorer", "NodeMCU", "oled display" ]
https://hackaday.com/wp-…kchain.jpg?w=800
Blockchains claim to be public, distributed, effectively immutable ledgers. Unfortunately, they also tend to get a little bit huge – presently the Bitcoin blockchain is 194GB and Ethereum weighs in at 444GB. That poses quite an inconvenience for me, as I was looking at making some fun ‘Ethereum blockchain aware’ gadget...
24
5
[ { "comment_id": "4522159", "author": "Steve123", "timestamp": "2018-05-02T15:53:50", "content": "You have 670456 Ethereum? You’re aware it’s worth USD$450 million, right?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4522235", "author": "Wolf", ...
1,760,374,385.813813
https://hackaday.com/2018/05/02/scotty-allen-builds-a-usb-drive-from-an-iphone/
Scotty Allen Builds A USB Drive From An IPhone
Brian Benchoff
[ "hardware", "Slider" ]
[ "iphone", "reballing", "shenzhen", "Strange Parts", "usb" ]
https://hackaday.com/wp-…4/pads.png?w=800
What happens when you come across a mysterious, partially populated circuit board in the Huaqiangbei electronics market in Shenzhen? If you’re [Scotty Allen], the only answer is to make your own USB drive from iPhone parts . [Scotty] made a name for himself through his YouTube channel Strange Parts where he built his o...
13
3
[ { "comment_id": "4521572", "author": "Sjaak", "timestamp": "2018-05-02T11:57:15", "content": "Wonder where he found the software to program the usb flash (and which flash chips the software can program)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4521683...
1,760,374,385.976468
https://hackaday.com/2018/05/02/tron-inspired-led-desk-lighting/
Tron Inspired LED Desk Lighting
Rich Hawkes
[ "home hacks", "LED Hacks" ]
[ "fadecandy", "LED desk", "leds", "raspberry pi", "ws2812b" ]
https://hackaday.com/wp-…eature.png?w=800
Reddit user [barbarisch] thought his computer desk was a bit boring, so he came up with a cool project to spice it up: A Tron-inspired computer desk with embedded LED strips ! [Barbarisch] took a basic desk and replaced the tops with ¾” oak plywood. The LED routes were planned out on the computer first and then marked ...
26
12
[ { "comment_id": "4521037", "author": "Gregg Eshelman", "timestamp": "2018-05-02T08:05:32", "content": "I want to see someone make a desk like Edward Dillinger’s from the original TRON movie. Could easily have all the display etc stuff in it real.", "parent_id": null, "depth": 1, "replies...
1,760,374,386.039647
https://hackaday.com/2018/05/01/hair-today-gone-tomorrow-via-electrolysis/
Hair Today, Gone Tomorrow, Via Electrolysis
Al Williams
[ "Medical Hacks" ]
[ "dc", "electrolysis", "hair removal" ]
https://hackaday.com/wp-…lectro.png?w=800
We think of electrolysis as a way to split things like water into oxygen and hydrogen using electricity, but it has a second meaning which is to remove hair using electricity. An electrologist inserts very thin needles into each hair follicle and uses a burst of electricity to permanently remove the hair. [Abbxrdy] did...
13
4
[ { "comment_id": "4520799", "author": "W", "timestamp": "2018-05-02T06:35:56", "content": "“Electrolysis” is “to break up using electricity”. Ain’t nothing in the term specific to water, hair or anything else…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4...
1,760,374,386.085291
https://hackaday.com/2018/05/01/battery-backup-conceals-a-pentesting-pi/
Battery Backup Conceals A Pentesting Pi
Tom Nardi
[ "Raspberry Pi", "Security Hacks" ]
[ "Cyberpower", "pentesting", "raspberry pi", "TRENDnet", "ups" ]
https://hackaday.com/wp-…s_feat.jpg?w=800
Over the last few years one thing has become abundantly clear: hackers love cramming the Raspberry Pi into stuff. From classic game systems to mirrors, there’s few places that haven’t been invaded by everyone’s favorite Linux SBC. From the inspired to the bizarre, we’ve brought such projects to your attention with mini...
21
9
[ { "comment_id": "4518265", "author": "barry99705", "timestamp": "2018-05-01T11:57:56", "content": "Neat! With auto-ssh it can make a reverse ssh connection to your amazon server for remote access!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4518437", "...
1,760,374,386.148524
https://hackaday.com/2018/05/01/comparing-making-to-buying-a-lithium-ion-battery-pack/
Comparing Making To Buying A Lithium Ion Battery Pack
Steven Dufresne
[ "Misc Hacks" ]
[ "18650", "battery management system", "ebike", "Li-ion", "lithium ion" ]
https://hackaday.com/wp-…ack_fe.jpg?w=800
At Hackaday we’re all about DIY. However, projects can have many components, and so there’s sometimes a choice between making something or buying it. In this case, [GreatScott!] wondered if it would be cheaper to make or buy a lithium-ion battery pack for his new eBike kit. To find out, he decided to make one. After so...
31
16
[ { "comment_id": "4517998", "author": "Moryc", "timestamp": "2018-05-01T09:42:04", "content": "It would be significantly cheaper with DIY spot welder, simple task at which [GreatScott] failed. [Ksayan TV] made at least three different spot welders from trash, Chcek out for example this one:https://ww...
1,760,374,386.213564
https://hackaday.com/2018/04/30/playing-pong-with-microbits/
Playing Pong With Micro:bits!
James Hobson
[ "Misc Hacks" ]
[ "arcade", "atmega 328p", "bluetooth", "composite", "pong", "television", "video game" ]
https://hackaday.com/wp-…screen.jpg?w=800
Where would the world be today without Pong, perhaps a lot less fun? For people like [Linker3000] the game is an inspiration toward teaching the next generation of hackers to build and play their own version using Micro:bits as controllers ! Aiming for doing all manner of diligence, [Linker3000] says the code can simpl...
0
0
[]
1,760,374,386.343507
https://hackaday.com/2018/04/30/game-ception-pokemon-red-playable-inside-minecraft/
Game-Ception: Pokemon Red Playable Inside Minecraft
James Hobson
[ "Nintendo Hacks" ]
[ "gameboy", "inception", "minecraft", "pokemon", "video game" ]
https://hackaday.com/wp-…pture2.jpg?w=800
If you’ve ever wanted to take a dive into and visualize a game’s code, this could be a seminal example in a literal sense. After twenty-one months of effort, the entire Pokemon Red game is now playable inside Minecraft . [Mr. Squishy] is the mad genius behind this project, laboriously re-coding the game literally block...
24
10
[ { "comment_id": "4517301", "author": "Ostracus", "timestamp": "2018-05-01T02:42:09", "content": "Is there anything one can’t do in Minecraft?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4518475", "author": "JDX", "timestamp": "2018-05-01T1...
1,760,374,386.407527
https://hackaday.com/2018/04/30/training-the-squirrel-terminator/
Training The Squirrel Terminator
Tom Nardi
[ "Robots Hacks", "Software Hacks", "Weapons Hacks" ]
[ "airsoft sentry", "computer vision", "image recognition", "opencv" ]
https://hackaday.com/wp-…m_feat.jpg?w=800
Depending on which hemisphere of the Earth you’re currently reading this from, summer is finally starting to fight its way to the surface. For the more “green” of our readers, that can mean it’s time to start making plans for summer gardening. But as anyone who’s ever planted something edible can tell you, garden pests...
31
11
[ { "comment_id": "4516817", "author": "Redhatter (VK4MSL)", "timestamp": "2018-04-30T23:25:28", "content": "Could be handy… we get bushy tailed marauders too that like our pumpkins…https://upload.wikimedia.org/wikipedia/commons/thumb/2/22/Trichosurus_vulpecula_1.jpg/220px-Trichosurus_vulpecula_1.jpg"...
1,760,374,386.487936
https://hackaday.com/2018/04/30/this-dust-collector-will-blow-you-away/
This Dust Collector Will Blow You Away.
James Hobson
[ "Tool Hacks" ]
[ "blower", "dust collector", "filter", "impeller", "mdf", "plywood", "wood", "woodshop", "woodworking", "workshop" ]
https://hackaday.com/wp-…u-away.jpg?w=800
As [Marius Hornberger] was working in his woodshop, a thunderous bang suddenly rocked the space. A brief search revealed the blower for the dust collector had shifted several inches despite being stoutly fastened down. Turns out, the blower had blown itself up when one of the impeller fins came loose. Time to revise an...
7
5
[ { "comment_id": "4516687", "author": "Ostracus", "timestamp": "2018-04-30T22:27:29", "content": "Giant milkshake making machine.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4516689", "author": "JDat", "timestamp": "2018-04-30T22:28:26", "content...
1,760,374,386.535563
https://hackaday.com/2018/04/30/universal-quick-release-bar-clamps/
Universal Quick-Release Bar Clamps
Anool Mahidharia
[ "The Hackaday Prize" ]
[ "bar clamp", "c-clamp", "clamp", "quick release", "tool", "vise" ]
https://hackaday.com/wp-…amp-02.png?w=800
The typical hacker can never say no to more tools. And when it comes to clamps, one just can’t have enough of them. From holding small PCB’s to clamping together large sheets of plywood, you need a variety of sizes and quantities. So it would be pretty neat if we could just 3D print them whenever needed. [Mgx3d] has do...
8
7
[ { "comment_id": "4516382", "author": "Dave Davidson", "timestamp": "2018-04-30T20:18:12", "content": "Much disappoint expected pinball machines", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4516489", "author": "Ren", "timestamp": "2018-04-30...
1,760,374,386.590561
https://hackaday.com/2018/05/01/digikey-tips-its-hat-to-kicad-with-its-own-library/
Digikey Tips Its Hat To Kicad With Its Own Library
Sonya Vasquez
[ "Software Hacks" ]
[ "cad", "CAD library", "digikey", "KiCAD" ]
https://hackaday.com/wp-…/image.png?w=800
Digikey might wow us with their expansive stock, but now they’re wowing us with a personal gesture. The US-based electronics vendor is nodding its head in approval to KiCad users with its very own parts library . What’s more, [Chris Gammell] walks us through the main features and thought process behind its inception. W...
51
18
[ { "comment_id": "4520394", "author": "Craig Hollabaugh", "timestamp": "2018-05-02T03:02:05", "content": "This is great. I’m definitely checking out KiCad now. Screw the naysayers, both DK and Seeed are offering services to shorten napkin to market, bring it on.", "parent_id": null, "depth": ...
1,760,374,386.683431
https://hackaday.com/2018/05/01/a-telepresence-system-thats-starting-to-feel-like-a-holodeck/
A Telepresence System That’s Starting To Feel Like A Holodeck
James Hobson
[ "Uncategorized" ]
[ "holodeck", "hologram", "projector", "Queen's University", "telepresence" ]
https://hackaday.com/wp-…-imgur.gif?w=728
[Dr. Roel Vertegaal] has led a team of collaborators from [Queen’s University] to build TeleHuman 2 — a telepresence setup that aims to project your actual-size likeness in 3D . Developed primarily for business videoconferencing, the setup requires a bit of space on both ends of the call. A ring of stereoscopic z-camer...
30
10
[ { "comment_id": "4519805", "author": "Clara", "timestamp": "2018-05-01T23:13:41", "content": "Four and a half megabytes of GIF. Dear Hackaday, please use HTML5 video for such things, it’s actually meant for video and can compress it quite well.", "parent_id": null, "depth": 1, "replies"...
1,760,374,386.748626
https://hackaday.com/2018/05/01/see-through-rotary-engine-reveals-wankel-magic/
See-Through Rotary Engine Reveals Wankel Magic
Lewin Day
[ "classic hacks" ]
[ "engine", "rotary engine", "see through engine", "Wankel", "wankel rotary", "wankel rotary engine" ]
https://hackaday.com/wp-…n450b1.jpg?w=800
The Wankel rotary engine is known for its troubled life in the mainstream automotive industry, its high power-to-weight ratio, and the intoxicating buzz it makes at full tilt. Popular with die-hard enthusiasts and punishing to casual owners, it stands as perhaps the most popular alternative internal combustion design t...
25
9
[ { "comment_id": "4519620", "author": "Ostracus", "timestamp": "2018-05-01T21:54:53", "content": "https://i.ebayimg.com/images/g/ziwAAOSwVm5Y-JSF/s-l300.jpg", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4519690", "author": "steve", "timestamp": "2018-0...
1,760,374,386.810236
https://hackaday.com/2018/05/01/building-badges-the-hard-way/
Building Badges The Hard Way
Anool Mahidharia
[ "The Hackaday Prize" ]
[ "2018 Hackaday Prize", "android", "arduino", "atmega", "badge", "ble", "bluetooth", "hillhacks", "led", "pong", "Snakes", "tetris" ]
https://hackaday.com/wp-…rty-01.png?w=800
What’s a hacker to do to profess his love for his dearest beloved? [Nitesh Kadyan] built his lady-love this awesome LED pendant – the LED BLE Hearty Necklace Badge . The hardware is pretty vanilla by today’s hacker standards. An ATMega328p  does most of the heavy lifting. An HM-11 BLE module provides connection to an A...
5
4
[ { "comment_id": "4519317", "author": "Ostracus", "timestamp": "2018-05-01T19:24:51", "content": "“[Nitesh] is now building a larger batch of these badges to bring them to hillhacks – the annual hacker-con for making and hacking in the Himalayas.”Wow! They really do have those everywhere.", "pare...
1,760,374,387.000094
https://hackaday.com/2018/05/01/the-anxiety-of-open-source-why-we-struggle-with-putting-it-out-there/
The Anxiety Of Open Source: Why We Struggle With Putting It Out There
Bob Baddeley
[ "Featured", "Interest", "Original Art", "Rants", "Slider" ]
[ "anxiety", "comments", "documenting", "feedback", "open hardware", "open source", "writing" ]
https://hackaday.com/wp-…cation.jpg?w=800
You’ve just finished your project. Well, not finished, but it works and you’ve solved all the problems worth solving, and you have a thing that works for you. Then you think about sharing your creation with the world. “This is cool” you think. “Other people might think it’s cool, too.” So you have to take pictures and ...
60
25
[ { "comment_id": "4518977", "author": "Severe Tire Damage", "timestamp": "2018-05-01T17:27:18", "content": "One thing will help a lot. Just don’t care what people think. There will always be critics and morons and aiming to please them is a pointless waste of time. Have your own personal high stan...
1,760,374,387.220046
https://hackaday.com/2018/05/01/recycling-and-casting-styrofoam-with-solvents/
Recycling And Casting Styrofoam With Solvents
Lewin Day
[ "classic hacks" ]
[ "casting", "plastic", "plastic recycling", "recycling" ]
https://hackaday.com/wp-…in4506.jpg?w=800
Styrofoam is an ever-present waste material in modern society, being used to package everything from food to futons. It’s also not the easiest thing to deal with as a waste stream, either. With this in mind, [killbox] decided to have a go at recycling some styrofoam and putting it to better use. The process starts by c...
31
12
[ { "comment_id": "4518738", "author": "Prfesser", "timestamp": "2018-05-01T15:49:17", "content": "I wonder whether simply burning styrene to CO2 and water would be the ‘greenest’ direction. Evaporated organic solvents — limonene, toluene, acetone, etc. — are very ‘good’ greenhouse gases, better than ...
1,760,374,386.951775
https://hackaday.com/2018/05/01/inside-mechanical-calculators/
Inside Mechanical Calculators
Dan Maloney
[ "Engineering", "Hackaday Columns", "History", "Slider" ]
[ "accumulator", "adding machine", "calculator", "carry", "carrying", "Curta", "mechanical", "multiplication", "nine's complement", "Pascaline" ]
https://hackaday.com/wp-…ulator.jpg?w=800
For as busy as things can get at the grocery store on a typical afternoon just before the dinner hour, at least the modern experience has one thing going for it: it’s relatively quiet. Aside from the mumbled greetings and “Paper or plastic?” questions from the cashier, and the occasional screaming baby in the next aisl...
25
10
[ { "comment_id": "4518584", "author": "Ostracus", "timestamp": "2018-05-01T14:13:35", "content": "Use to have one like the Remington-Rand. Just a lot more buttons. Heavy as…well you know.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4518643", "author": "M...
1,760,374,387.112013
https://hackaday.com/2018/04/30/decellularization-apples-to-earlobes/
Decellularization: Apples To Earlobes
Brian McEvoy
[ "Engineering", "Featured", "Medical Hacks", "Science", "Slider" ]
[ "animal", "apples", "biohacking", "fruit", "grinding", "human", "organic", "plant", "surgery", "transplant", "vegetables" ]
https://hackaday.com/wp-…4493_n.jpg?w=800
Our bodies are not like LEGO blocks or computers because we cannot swap out our parts in the living room while watching television. Organ transplants and cosmetic surgery are currently our options for upgrades, repairs, and augments, but post-transplant therapy can be a lifelong commitment because of rejection. Electiv...
40
9
[ { "comment_id": "4515962", "author": "Ostracus", "timestamp": "2018-04-30T17:20:41", "content": "“Our bodies are not like LEGO blocks or computers because we cannot swap out our parts in the living room while watching television.”Oh, kinky.", "parent_id": null, "depth": 1, "replies": [] ...
1,760,374,387.466678
https://hackaday.com/2018/04/30/tiny-arduino-fpga-sno/
Tiny Arduino + FPGA = Sno
Al Williams
[ "Arduino Hacks", "FPGA" ]
[ "Altera", "arduino", "fpga", "intel", "max 10" ]
https://hackaday.com/wp-…04/sno.png?w=800
Alorium rolled out a new product late last year that caught our attention. The Sno (pronounced like “snow”) board is a tiny footprint Arduino board that you can see in the video below. By itself that isn’t that interesting, but the Sno also has an Altera/Intel Max 10 FPGA onboard. If you aren’t an FPGA user, don’t tune...
33
11
[ { "comment_id": "4515823", "author": "janostman", "timestamp": "2018-04-30T15:40:43", "content": "Psoc-4 anyone?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4515835", "author": "andrew", "timestamp": "2018-04-30T15:50:06", "content...
1,760,374,387.291082