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https://hackaday.com/2018/07/11/friday-hack-chat-hacking-voice-assistants/ | Friday Hack Chat: Hacking Voice Assistants | Brian Benchoff | [
"Hackaday Columns"
] | [
"alexa",
"google home",
"Hack Chat",
"siri",
"voice assistant"
] | The future of consumer electronics is electronic voice assistants, at least that’s what the manufacturers are telling us. Everything from Alexas to Google Homes to Siris are invading our lives, and if predictions hold, your next new car might just have a voice assistant in it. It’s just a good thing we have enough samp... | 17 | 4 | [
{
"comment_id": "4734017",
"author": "Ostracus",
"timestamp": "2018-07-11T17:15:52",
"content": "Still not bugging the house. With that being said, what are businesses stance on voice assistants on-premise?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4734... | 1,760,374,300.700224 | ||
https://hackaday.com/2018/07/11/hold-the-salt-and-butter-this-popcorn-is-for-a-robot/ | Hold The Salt And Butter, This Popcorn Is For A Robot | Roger Cheng | [
"Robots Hacks"
] | [
"actuator",
"actuators",
"biodegradable",
"edible",
"popcorn",
"robotics",
"soft robot",
"soft robotics",
"theramally actuated muscles"
] | Popcorn! Light and fluffy, it is a fantastically flexible snack. We can have them plain, create a savory snack with some salt and butter, or cover with caramel if you have a sweet tooth. Now Cornell University showed us one more way to enjoy popcorn: use their popping action as the mechanical force in a
robot actuator
... | 17 | 4 | [
{
"comment_id": "4733858",
"author": "ilcicali",
"timestamp": "2018-07-11T15:18:01",
"content": "I can’t remember in what show they mocked a commercial where popcorn was used to inflate airbags…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4734096",
... | 1,760,374,300.819505 | ||
https://hackaday.com/2018/07/11/teardown-of-usb-fan-reveals-journalists-lack-of-opsec/ | Teardown Of USB Fan Reveals Journalists’ Lack Of Opsec | Brian Benchoff | [
"Current Events",
"Featured",
"Security Hacks",
"Slider"
] | [
"badusb",
"device security",
"InfoSec",
"opsec",
"usb fan"
] | Last month, Singapore hosted a summit between the leaders of North Korea and the United States. Accredited journalists invited to the event were given a press kit containing a bottle of water, various paper goods,
and a fan that plugs into a USB port
.
Understandably, the computer security crowd on Twitter had a great ... | 109 | 26 | [
{
"comment_id": "4733739",
"author": "Jerry",
"timestamp": "2018-07-11T14:23:22",
"content": "I’m not a fan of USB",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4733796",
"author": "ScriptGiddy",
"timestamp": "2018-07-11T14:55:07",
"... | 1,760,374,301.03375 | ||
https://hackaday.com/2018/07/11/ham-designed-gear-used-in-thailand-cave-rescue/ | Ham-designed Gear Used In Thailand Cave Rescue | Al Williams | [
"News",
"Radio Hacks",
"Slider"
] | [
"cave",
"cave rescue",
"heyphone",
"rescue communications"
] | Unless you live in a cave, you’ve probably heard a little about the thirteen people — mostly children — trapped in the
Tham Luang Nang Non
cave in Thailand. What you may have missed, though, is the hacker/ham radio connection. The British Cave Rescue Council (BCRC) was asked for their expert help. [Rick Stanton], [John... | 41 | 15 | [
{
"comment_id": "4733465",
"author": "nino",
"timestamp": "2018-07-11T11:10:49",
"content": "Would be nice to see an updated, open-source, new take of this technology !No doubt it can be highly miniaturized, simpler design with DSP and image transmission / text capabilities…",
"parent_id": null,... | 1,760,374,300.893515 | ||
https://hackaday.com/2018/07/11/cheetah-3-is-learning-to-move-blindly-before-learning-to-see/ | Cheetah 3 Is Learning To Move Blindly Before Learning To See | Steven Dufresne | [
"Robots Hacks"
] | [
"cheetah",
"mit",
"quadruped",
"robot",
"robotic cheetah"
] | Stand up right now and walk around for a minute. We’re pretty sure you didn’t see everywhere you stepped nor did you plan each step meticulously according to visual input. So why should robots do the same? Wouldn’t your robot be more versatile if it could use its vision to plan a path, but leave most of the walking to ... | 23 | 5 | [
{
"comment_id": "4733114",
"author": "elmesito",
"timestamp": "2018-07-11T08:19:06",
"content": "That jumping onto a desk left me speechless, I really didn’t expect that!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4733530",
"author": "X",
... | 1,760,374,300.636936 | ||
https://hackaday.com/2018/07/10/spidriver-shows-you-whats-going-on/ | SPIDriver Shows You What’s Going On | Elliot Williams | [
"hardware"
] | [
"Crowd Supply",
"hardware",
"spi"
] | When you’re debugging two bits of electronics talking SPI to each other, there’s a lot that can go sideways. Starting from the ground up, the signals can be wrong: data not synced with clocks right, or phase inverted. On top of that, the actual data sent needs to make sense to the receiving device. Are you sending the ... | 17 | 6 | [
{
"comment_id": "4732889",
"author": "onebiozz",
"timestamp": "2018-07-11T05:05:44",
"content": "one thing i always wanted in the lab is a pocket protocol decoderlots of SPI, I2C and UART in designs and constantly busting out the logic analyzer and firing up a laptop to see what’s up can be a bit of... | 1,760,374,300.76565 | ||
https://hackaday.com/2018/07/10/flawed-synthetic-diamonds-may-be-key-for-quantum-computing/ | Flawed Synthetic Diamonds May Be Key For Quantum Computing | Al Williams | [
"News"
] | [
"diamond",
"quantum computing",
"qubits",
"science"
] | If you’ve followed any of our coverage of quantum computing, you probably know that the biggest challenge is getting quantum states to last very long, especially when moving them around. Researchers at Princeton may have solved this problem as they
demonstrate storing qubits in a lab-created diamond
. The actual
public... | 8 | 5 | [
{
"comment_id": "4732562",
"author": "Ostracus",
"timestamp": "2018-07-11T02:33:21",
"content": "Apparently diamonds are more than just a ladies best friend.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4732630",
"author": "1",
"timestamp":... | 1,760,374,301.077088 | ||
https://hackaday.com/2018/07/10/do-you-need-a-solder-fume-extractor/ | Do You Need A Solder Fume Extractor? | Al Williams | [
"Tool Hacks"
] | [
"safety",
"soldering",
"soldering fumes"
] | We’ll admit it. Most of us have been soldering since we were kids and we don’t think of it as a particularly dangerous activity. Just keep the hot and cold end of the iron straight and remember not to flick solder off the tip on your leg and you are fine. We sometimes roll our eyes a bit at the people with the solderin... | 78 | 20 | [
{
"comment_id": "4731055",
"author": "mikeselectricstuff",
"timestamp": "2018-07-10T23:06:16",
"content": "Just stay away from lead-free, with its nasty aggressive fluxes and you’ll be fine",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4731099",
"au... | 1,760,374,301.246531 | ||
https://hackaday.com/2018/07/10/morphing-digital-clock-will-show-you-a-good-time/ | Morphing Digital Clock Will Show You A Good Time | Kristina Panos | [
"clock hacks",
"Microcontrollers"
] | [
"ESP8266",
"led matrix",
"NodeMCU",
"RGB LED matrix"
] | A few weeks ago, [HariFun] set out to emulate a 7-segment display with an LED matrix. Seems easy enough, right? Right. He also wanted to come up with a new way to transition between digits, which is a much harder task. But he did it, and it’s really cool. At a viewer’s suggestion, [Hari] used the transition as the basi... | 27 | 13 | [
{
"comment_id": "4730366",
"author": "Pinhead",
"timestamp": "2018-07-10T20:07:54",
"content": "[Hari] has often mesmerizing ideas with very simple things. Typically, a Youtube channel that merits more attention. Live long and prosper, [Hari]",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,374,301.140176 | ||
https://hackaday.com/2018/07/10/open-hardware-takes-charge-in-papua-new-guinea/ | Open Hardware Takes Charge In Papua New Guinea | Kristina Panos | [
"Cellphone Hacks",
"Solar Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"buck converter",
"clean power",
"papua new guinea",
"solar charger"
] | You probably don’t think much about charging your phone. Just find an outlet, plug it in, and wait a while. Can’t find a cable or wall wart? A rainbow of cheap, candy-colored options awaits you down at the brightly-lit corner drugstore.
This scenario couldn’t be further from reality in third world countries like Papua ... | 29 | 12 | [
{
"comment_id": "4730031",
"author": "Ostracus",
"timestamp": "2018-07-10T18:44:02",
"content": "“This scenario couldn’t be further from reality in third world countries like Papua New Guinea, where people living in remote jungles have cell phone coverage, but have to charge their phones by hooking ... | 1,760,374,301.458621 | ||
https://hackaday.com/2018/07/10/profiles-in-science-jack-kilby-and-the-integrated-circuit/ | Profiles In Science: Jack Kilby And The Integrated Circuit | Dan Maloney | [
"Biography",
"Engineering",
"Featured"
] | [
"chip",
"germanium",
"ic",
"integrated circuit",
"invention",
"microchip",
"monolithic",
"semiconductor",
"texas instruments"
] | Sixty years ago this month, an unassuming but gifted engineer sitting in a lonely lab at Texas Instruments penned a few lines in his notebook about his ideas for building complete circuits on a single slab of semiconductor. He had no way of knowing if his idea would even work; the idea that it would become one of the k... | 16 | 9 | [
{
"comment_id": "4729754",
"author": "prpplague",
"timestamp": "2018-07-10T17:41:13",
"content": "The local Dallas/Ft.Worth PBS station KERA, made a short 10 minute documentary about Jack Kilby. it’s worth a watch! as a note, i worked for TI for 3 years, and i can confirm that the vast majority of e... | 1,760,374,301.518329 | ||
https://hackaday.com/2018/07/10/n64-emulated-in-vr-makes-hyrule-go-3d/ | N64 Emulated In VR Makes Hyrule Go 3D | Donald Papp | [
"Games",
"Nintendo Hacks",
"Virtual Reality"
] | [
"emukit",
"exokit",
"mixed reality",
"n64",
"nintendo",
"ocarina of time",
"Vive",
"vr"
] | The Nintendo 64 had some groundbreaking and popular 3D games, and [Avaer Kazmer] felt it was only right to tamper with things just enough to trick an emulator into
playing
Ocarina of Time
in VR, complete with stereoscopic 3D
. The result is more than just running an emulator on a simulated screen in virtual reality; th... | 17 | 11 | [
{
"comment_id": "4729260",
"author": "TGT",
"timestamp": "2018-07-10T15:40:29",
"content": "This is bonkers. I want it. I suspect that after work today I’m going to be obsessively trying to figure out how to replicate this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,374,301.56965 | ||
https://hackaday.com/2018/07/08/this-3d-printed-syringe-static-mixer-does-it-all/ | This 3D Printed Syringe Static Mixer Does It All | Steven Dufresne | [
"Tool Hacks"
] | [
"3d printing",
"silicone",
"silicone casting",
"syringe",
"two part epoxy"
] | One trick for getting the bubbles out of freshly mixed 2-part epoxy, aka degassing, is to go over it gently with the flame from a propane torch. But both the mixing and degassing take time. [Gianteye] came up with
a 3D printed dual-syringe static mixing system
which speeds up the process. He used it with silicone to ge... | 20 | 10 | [
{
"comment_id": "4719352",
"author": "nonokopimi",
"timestamp": "2018-07-09T02:11:25",
"content": "Thick epoxides are mixed and degassed simultaneously by ‘smearing’ the mixture out thinly across a smooth surface. You smear and scrape-up the mixture several times. We use a scale to measure quantitie... | 1,760,374,302.282673 | ||
https://hackaday.com/2018/07/08/hackaday-links-july-8-2018/ | Hackaday Links: July 8, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"analog",
"Asteroid Day",
"cyberpunk",
"journal",
"kickstarter",
"retropie",
"sdr",
"software-defined radio"
] | Software-defined radio has been around for years, but it’s only recently that it’s been accessible to those of us who don’t have tens of thousands of dollars worth of equipment in their lab.
Here’s a new book from Analog Devices
that gives you the lowdown on software-defined radio. It’s heavy on MATLAB and components f... | 12 | 4 | [
{
"comment_id": "4719175",
"author": "PWalsh",
"timestamp": "2018-07-09T01:15:08",
"content": "Never heard of RetroPi until now – and it’s definitely something I’m interested in.Not only did the other company lose trademark, RetroPi gets all sorts of advertizing and notoriety. Good for them!",
"... | 1,760,374,302.515312 | ||
https://hackaday.com/2018/07/08/ultra-low-power-energy-harvesting-battery-charger/ | Ultra-Low Power, Energy Harvesting Battery Charger | Donald Papp | [
"Solar Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"battery charger",
"BQ25504",
"charger",
"energy harvesting",
"lipo",
"low power",
"SensorTile",
"solar"
] | This half-inch square
ultra-low power energy harvesting LiPo cell charger
by [Kris Winer] uses a low voltage solar panel to top up a small lithium-polymer cell, which together can be used as the sole power source for projects. It’s handy enough that [Kris] uses them for his own projects and offers them for sale to fell... | 10 | 7 | [
{
"comment_id": "4718334",
"author": "werecatf",
"timestamp": "2018-07-08T20:29:58",
"content": "Welp. This is what I was doing, but with supercaps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4718743",
"author": "taciucmarius",
"timestamp": "2018-0... | 1,760,374,302.222451 | ||
https://hackaday.com/2018/07/08/amiga-2000-emergency-repair/ | Amiga 2000 Emergency Repair | Al Williams | [
"Repair Hacks",
"Retrocomputing",
"Teardown"
] | [
"amiga 2000",
"battery",
"battery corrosion",
"corrosion"
] | Big companies spend small fortunes on making sure their computers stay running and that they can be repaired quickly in an emergency. You wouldn’t expect an emergency repair on an Amiga 2000, though. [RETR-O-MAT] bought an Amiga 2000 that did boot, but was known to have a leaky battery on the motherboard. He wanted to ... | 20 | 6 | [
{
"comment_id": "4718624",
"author": "Bill Sussman",
"timestamp": "2018-07-08T22:03:01",
"content": "One of the biggest regrets of my life is throwing away my A2000 which had suffered the same damage well before I learnt about electronics and figured out it would’ve been a relatively simple repair :... | 1,760,374,302.788967 | ||
https://hackaday.com/2018/07/08/worn-train-rails-get-judged-by-laser/ | Worn Train Rails Get Judged By Laser | Donald Papp | [
"Laser Hacks",
"Transportation Hacks"
] | [
"analysis",
"bluetooth",
"green laser",
"laser",
"line laser",
"rail",
"serial camera",
"train track"
] | [Calango] is a railway technician, and for a school final project created the
Rail Wear Surveillance Trolley (RWST)
which is a delightfully designed device made mainly from PVC conduit with one job: travel down a segment of train track while shining a green laser onto the rail, and capture camera images. The trolley ho... | 32 | 10 | [
{
"comment_id": "4717238",
"author": "Chujwchodzi do Pizdy",
"timestamp": "2018-07-08T14:17:27",
"content": "You have to be a true spider expert to understand how usage and different angles affect handling of a train. Still, a nice project.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,302.352463 | ||
https://hackaday.com/2018/07/08/automatic-sunglasses-no-battery/ | Automatic Sunglasses, No Battery! | Jenny List | [
"Wearable Hacks"
] | [
"automatic sunglasses",
"eye protection",
"solar glasses",
"sunglasses"
] | There are some projects that are so simple they require very little description, and [Bobricius’s]
automatic sunglasses
definitely fit into that category. Their story starts with the fad for 3D displays a few years ago, a resurfacing of the movie business’s periodic flirtation with the third dimension in the hope of us... | 26 | 7 | [
{
"comment_id": "4716606",
"author": "Snide",
"timestamp": "2018-07-08T11:09:39",
"content": "Photochromic lenses have been around for decades.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4716631",
"author": "Christian",
"timestamp": "2018... | 1,760,374,302.417535 | ||
https://hackaday.com/2018/07/08/rgb-sensors-new-job-cryptocurrency-trade-advisor/ | RGB Sensor’s New Job: Cryptocurrency Trade Advisor | Donald Papp | [
"Misc Hacks",
"Video Hacks"
] | [
"arduino",
"color sensor",
"colour sensor",
"crypto",
"cryptocurrency",
"RGB sensor",
"TCS34725",
"trading",
"voice feedback"
] | [XenonJohn] dabbles in cryptocurrency trading, and when he saw an opportunity to buy an RGB color sensor, his immediate thought — which he admitted to us would probably not be the immediate thought of most normal people — was that he could point it to his laptop screen and
have it analyze the ratio of green (buy) order... | 15 | 3 | [
{
"comment_id": "4716160",
"author": "Mark",
"timestamp": "2018-07-08T08:14:29",
"content": "Stupid, pointless overkill. Can be done purely in software.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4716385",
"author": "Chris",
"timestamp": ... | 1,760,374,302.465461 | ||
https://hackaday.com/2018/07/10/the-machinists-mantra-level-thy-lathe/ | The Machinists’ Mantra: Level Thy Lathe | Quinn Dunki | [
"Featured",
"Skills",
"Slider",
"Tool Hacks"
] | [
"how to level a lathe",
"how to level a machine tool",
"lathe",
"leveling",
"machine tools",
"machinists level"
] | Let’s say you’ve gone and bought yourself a sweet sweet metal lathe. Maybe it’s one of the new price-conscious Asian models, or maybe it’s a lovely old cast iron beast that you found behind a foreclosed machine shop. You
followed all the advice
for setting it up, and now you’re ready to make chips, right? Well, not so ... | 69 | 19 | [
{
"comment_id": "4728955",
"author": "Ostracus",
"timestamp": "2018-07-10T14:09:50",
"content": "Since this is HaD, someone needs to come up with a better way.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4729024",
"author": "ThisGuy",
"tim... | 1,760,374,302.622976 | ||
https://hackaday.com/2018/07/10/3d-printed-arduino-bot-is-limbo-master/ | 3D Printed Arduino Bot Is Limbo Master | Tom Nardi | [
"3d Printer hacks",
"Arduino Hacks",
"Robots Hacks"
] | [
"3d printed",
"arduino",
"remote control",
"robotics",
"rover"
] | As if we didn’t have enough to worry about in regards to the coming robot uprising,
[Ali Aslam] of Potent Printables has recently wrapped up work on a 3D printed robot
that can flatten itself down to the point it can fit under doors and other tight spaces. Based on research done at UC Berkeley, this robot is built enti... | 9 | 8 | [
{
"comment_id": "4728416",
"author": "Tweepy",
"timestamp": "2018-07-10T11:37:05",
"content": "Nice! Change the wheels with propelers, use proper motors, and you have a multipurpose crawling quad-copter",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4728833"... | 1,760,374,302.67554 | ||
https://hackaday.com/2018/07/10/an-amiga-600-with-an-fpga-inside/ | An Amiga 600 With An FPGA Inside | Jenny List | [
"classic hacks",
"FPGA"
] | [
"amiga",
"Amiga 600",
"fpga"
] | The Amiga is the platform that refuses to die. It must be more than two decades since the debacle surrounding the demise of the original hardware, yet the operating system is still receiving periodic updates, you can still buy Amiga hardware now sporting considerably more powerful silicon than the originals, and its wo... | 24 | 5 | [
{
"comment_id": "4727639",
"author": "Nitpicker Smartyarse",
"timestamp": "2018-07-10T08:07:58",
"content": "What I find interesting (having been an Amiga user since1986) is that some “achievements” of that platform are still not available on mainstream desktops today – user-friendly UIs (that you c... | 1,760,374,302.737251 | ||
https://hackaday.com/2018/07/09/eight-transistor-stereo-amplifier-from-the-days-of-yore/ | Eight Transistor Stereo Amplifier From The Days Of Yore | Steven Dufresne | [
"classic hacks"
] | [
"amplifier",
"P-Box",
"radio shack",
"retro",
"stereo",
"transistor amplifier",
"vintage"
] | Reading an article about the first transistorized Hi-Fi amplifier, [Netzener] got the itch to make one. But what to use for the starting point? Enter an old Radio Shack P-Box stereo amplifier kit. After a few modernizations and tweaks, the result is
an 8-transistor stereo amplifier
that’s aesthetically pleasing, sounds... | 31 | 9 | [
{
"comment_id": "4727107",
"author": "richfiles",
"timestamp": "2018-07-10T07:06:05",
"content": "That’s not bad! A good efficient design usually will trump moar power!!1",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4729725",
"author": "netZener",
... | 1,760,374,303.313977 | ||
https://hackaday.com/2018/07/09/the-magic-that-goes-into-magnets/ | The Magic That Goes Into Magnets | Brian McEvoy | [
"how-to"
] | [
"cylinder",
"disc",
"disk",
"magnet",
"manufacturing",
"medical",
"process",
"sphere",
"steps"
] | Every person who reads these pages is likely to have encountered a neodymium magnet. Most of us interact with them on a daily basis, so it is easy to assume that the process for their manufacture must be simple since they are everywhere. That is not the case, and there is value in knowing
how the magnets are manufactur... | 16 | 6 | [
{
"comment_id": "4724511",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-07-10T02:21:15",
"content": "And using the bread analogy a bit further, make sure you add enough of each ingredient to make about 500 loaves of bread.Mmmm… magnetic bread…",
"parent_id": null,
"depth": 1,
"repl... | 1,760,374,303.036982 | ||
https://hackaday.com/2018/07/09/vintage-headphones-bluetooth-conversion-goes-the-extra-mile/ | Vintage Headphones Bluetooth Conversion Goes The Extra Mile | Ben James | [
"digital audio hacks",
"Microcontrollers",
"Portable Audio Hacks"
] | [
"bluetooth",
"bm62",
"headphones",
"pcb",
"pic",
"PickAndPlace"
] | [KaZjjW] wanted to
retrofit a pair of nicely styled vintage headphones to be able to play wirelessly over Bluetooth
. In principle this is an easy task: simply stick a Bluetooth audio receiver on the line-in, add a battery, and you’re all set. However, [KaZjjW] wanted to keep the aesthetic changes to the headphones at ... | 2 | 2 | [
{
"comment_id": "4724515",
"author": "Georgia",
"timestamp": "2018-07-10T02:22:39",
"content": "This is amazing! I will dig into the garage and look for my old headphones! Amazing hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4732540",
"author": "Th... | 1,760,374,303.583927 | ||
https://hackaday.com/2018/07/09/build-your-own-portable-arduino-soldering-iron/ | Build Your Own Portable Arduino Soldering Iron | Tom Nardi | [
"Arduino Hacks",
"Tool Hacks"
] | [
"arduino",
"atmega328p",
"max6675",
"soldering iron",
"ts100"
] | At this point you’ve almost certainly seen one of these low-cost portable soldering irons, perhaps best exemplified by the TS100, a pocket-sized temperature controlled iron that can be had for as little as $50 USD from the usual overseas suppliers. Whether or not you’re personally a fan of the portable irons compared t... | 42 | 5 | [
{
"comment_id": "4723329",
"author": "Joel B",
"timestamp": "2018-07-09T20:32:05",
"content": "Slightly related, but something I’ve never really understood with most soldering irons is why the part where you hold the soldering iron is so far from the tip. It’s like half way up from the tip. Wouldn... | 1,760,374,303.716212 | ||
https://hackaday.com/2018/07/07/the-pt2399-delay-echo-chip-data-sheet-you-never-had/ | The PT2399 Delay/Echo Chip Data Sheet You Never Had | Jenny List | [
"how-to",
"Parts"
] | [
"delay",
"digital delay",
"echo",
"PT2399"
] | If you are fortunate enough to have had the opportunity to play with an analogue-reel-to-reel tape recorder in a well-equipped studio, you probably looped the tape around to create an echo, or a delay in the audio. It was a desirable effect to have, but not a practical one for a guitar pedal or similar portable accesso... | 13 | 10 | [
{
"comment_id": "4712150",
"author": "TL",
"timestamp": "2018-07-07T09:52:49",
"content": "The Panasonic MN300X series was the last BBD bucket brigade devices produced. Then restarted by cool audio in limited production, then lost to history again. Would be nice to hear a comparison between this c... | 1,760,374,303.438022 | ||
https://hackaday.com/2018/07/06/smart-power-strip-revived-with-raspberry-pi/ | Smart Power Strip Revived With Raspberry Pi | Tom Nardi | [
"Raspberry Pi",
"Repair Hacks"
] | [
"Power Distribution",
"raspberry pi",
"relay",
"smart plug"
] | We’re all for buying broken stuff from eBay to save yourself a few bucks: buy it cheap, fix it, and reap the rewards of being a step ahead of the average consumer. Searching through the “For parts or not working” categories is nearly the official pastime here at the Hackaday Bunker. But buying an eBay find only to have... | 19 | 11 | [
{
"comment_id": "4711586",
"author": "Ostracus",
"timestamp": "2018-07-07T05:20:11",
"content": "Some extra hardware and some smarts maybe can give some info about what’s plugged into that strip.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4712456",
... | 1,760,374,303.497042 | ||
https://hackaday.com/2018/07/06/tinkercad-coding-tricks-to-automate-modeling/ | Tinkercad Coding Tricks To Automate Modeling | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"parametric design",
"tinkercad"
] | If you want to do a quick design for 3D printing, Tinkercad is pretty easy to use. Although it was briefly in danger of going out of business, it was bought by AutoDesk who have made a lot of improvements. It is possible to program and simulate an Arduino in the same tool — which always strikes us as an odd juxtapositi... | 19 | 4 | [
{
"comment_id": "4711187",
"author": "Daniel Matthews",
"timestamp": "2018-07-07T02:37:35",
"content": "Oh yeah, if you are serious definitely look at SolveSpace, a very powerful tool.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4711469",
"author"... | 1,760,374,303.773962 | ||
https://hackaday.com/2018/07/06/dollar-store-pcb-holder-system/ | Dollar Store PCB Holder System | Tom Nardi | [
"Tool Hacks"
] | [
"dollar store",
"magnet",
"PCB holder",
"PCB vise"
] | As you get into electronic fabrication and repair, one of the first things you realize is how hard it can be to hold a PCB still while you work on it. Securing them is difficult due to their very nature: they’re often weird shapes, quite fragile, and of course need to be electrically isolated. If you don’t mind spendin... | 3 | 2 | [
{
"comment_id": "4710794",
"author": "nic0mac",
"timestamp": "2018-07-07T00:12:38",
"content": "Nice, going to have to try this with a bigger cookie sheet so I can keep projects with multiple boards organized while being worked on then stored for a bit.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,303.537759 | ||
https://hackaday.com/2018/07/06/a-38-year-old-vocoder-project/ | A 38-Year-Old Vocoder Project | Al Williams | [
"classic hacks"
] | [
"eti magazine",
"opamp",
"opamp filter",
"vocoder"
] | It is hard to remember that scant decades ago, electronic magazines — the pre-Internet equivalent of blogs — featured lots of audio circuits based on analog processing. Music synthesizers were popular for example, because microcontrollers were expensive and unable to perform digital signal processing tasks in the way y... | 12 | 9 | [
{
"comment_id": "4709961",
"author": "JH",
"timestamp": "2018-07-06T20:34:03",
"content": "“Today, you’d have an LCD, a few buttons for a menu, and a rotary encoder.” — Or you’d still have a bunch of knobs because everyone loves knobs!",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,303.630387 | ||
https://hackaday.com/2018/07/06/diy-socket-for-prosthetics-contains-power-supply-charger/ | DIY Socket For Prosthetics Contains Power Supply, Charger | Donald Papp | [
"how-to",
"Medical Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printing",
"diy",
"Prosthesis",
"prosthetic",
"prosthetics",
"thermoplastic"
] | Innovation in prosthetics is open to anyone looking to enhance the quality of life, but there’s an aspect of it that is sometimes under-served. The
DIY Prosthetic Socket
entry to the Hackaday Prize is all about the foundation of a useful prosthesis: a custom, form-fitting, and effective socket with a useful interface f... | 5 | 4 | [
{
"comment_id": "4710991",
"author": "starhawk",
"timestamp": "2018-07-07T01:06:22",
"content": "Since absolutely *nobody* is commenting on this, even though they really ought to be…This is cooler than a bare-handed fistful of dry ice, and I’m highly impressed.",
"parent_id": null,
"depth": ... | 1,760,374,303.387143 | ||
https://hackaday.com/2018/07/06/a-sneak-preview-of-the-hacker-warehouse-badge/ | A Sneak Preview Of The Hacker Warehouse Badge | Brian Benchoff | [
"cons",
"Featured",
"Reviews"
] | [
"badge",
"badgelife",
"ESP32",
"Hacker Warehouse",
"hands on",
"rubber ducky"
] | We were lucky enough to get our hands on a hand-soldered prototype of
the new Hacker Warehouse badge
, and boy is this one a treat. It’s fashionable, it’s blinky, and most impressively, it’s a very useful tool. This badge can replace the Google Authenticator two factor authentication app on your phone, and it’s a USB R... | 5 | 4 | [
{
"comment_id": "4709683",
"author": "CanterburyIce",
"timestamp": "2018-07-06T19:08:48",
"content": "So, my question is, does the software actually implement what is advertised? Last years badge had menu items for a bunch of stuff that was never implemented.",
"parent_id": null,
"depth": 1,... | 1,760,374,303.823895 | ||
https://hackaday.com/2018/07/06/electronic-colorchord-turns-color-into-sound/ | Electronic ColorChord Turns Color Into Sound | Steven Dufresne | [
"Misc Hacks"
] | [
"555",
"cardboard",
"dead bug",
"deadbug",
"photo cell",
"steampunk"
] | [Dr. Cockroach] has delighted us again with another of his circuits on cardboard. He calls it steampunk inspired, and while we guess we can see what he’s getting at, it’s more like a sweet example of artful dead bug construction. He calls it
the ColorChord
. Point its photo cells at a color and it’ll play a tone or a c... | 13 | 6 | [
{
"comment_id": "4709260",
"author": "foxpup",
"timestamp": "2018-07-06T15:45:59",
"content": "So Dr. Cockroach has given the user auditory input of three points along the visual spectrum. Great!! It does beg the question of how far one can take it. The visual spectrum is a continuum and so is th... | 1,760,374,304.041607 | ||
https://hackaday.com/2018/07/06/circuit-vr-simple-buck-converters/ | Circuit VR: Simple Buck Converters | Al Williams | [
"Hackaday Columns",
"how-to"
] | [
"buck converter",
"fet",
"LTSpice",
"smps",
"SPICE",
"switching power supply"
] | The first thing I ever built without a kit was a 5 V regulated power supply using the old LM309K. That’s a classic linear regulator like a 7805. While they are simple, they waste a lot of energy as heat, especially if the input voltage goes higher. While there are still applications where linear regulators make sense, ... | 19 | 7 | [
{
"comment_id": "4709091",
"author": "x vs y",
"timestamp": "2018-07-06T14:32:17",
"content": "> LT Spice is made to design power supplies.Nooooo. It’s made to simulate power supplies. Simulation =/= design.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4... | 1,760,374,303.994171 | ||
https://hackaday.com/2018/07/06/an-optical-mouse-sensor-for-robotic-vision/ | An Optical Mouse Sensor For Robotic Vision | Jenny List | [
"digital cameras hacks",
"Robots Hacks"
] | [
"adns-3080",
"mouse sensor",
"optical sensor",
"robot vision"
] | Readers with long memories will remember the days when mice and other similar pointing devices relied upon a hard rubber ball in contact with your desk or other surface, that transmitted any motion to a pair of toothed-wheel rotation sensors. Since the later half of the 1990s though, your rodent has been ever significa... | 22 | 13 | [
{
"comment_id": "4708712",
"author": "Lee",
"timestamp": "2018-07-06T11:29:42",
"content": "I’ve always thought the use of cheap optical mouse sensors would be a good means of Yaw drift compensation for 6DoF sensor solutions. Glad to see that the sensors are becoming a reasonably easy thing for hack... | 1,760,374,304.151877 | ||
https://hackaday.com/2018/07/06/solar-pi-cluster-scours-internet-for-nudes/ | Solar Pi Cluster Scours Internet For Nudes | Tom Nardi | [
"green hacks",
"Raspberry Pi"
] | [
"cluster",
"movidius",
"neural network",
"nsfw",
"pornography",
"solar"
] | There seems to be a universal truth on the Internet: if you open up a service to the world, eventually somebody will come in and try to mess it up. If you have a comment section, trolls will come in and fill it with pedantic complaints (so we’ve heard anyway, naturally we have no experience with such matters). If you h... | 50 | 19 | [
{
"comment_id": "4708397",
"author": "Matt Syme",
"timestamp": "2018-07-06T08:24:41",
"content": "Impressive",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4708497",
"author": "suga",
"timestamp": "2018-07-06T09:08:46",
"content": "Well done!!",
... | 1,760,374,304.249383 | ||
https://hackaday.com/2018/07/05/nanopi-cluster-is-quiet-cool-and-has-blinky-lights/ | NanoPi Cluster Is Quiet, Cool And Has Blinky Lights | Richard Baguley | [
"ARM"
] | [
"arm",
"cluster",
"Nick Smith",
"Pi"
] | We’ve seen the supercomputer cluster work of [Nick Smith] from the UK before, but his latest build is quite lovely. This time around, he put together a
96-core supercomputer using the NanoPi Fire3
, a Raspberry Pi alternative that has
double the number of cores
. His post takes you through how he built the supercompute... | 13 | 6 | [
{
"comment_id": "4708818",
"author": "rasz_pl",
"timestamp": "2018-07-06T12:07:55",
"content": "And as always there is nothing super about his “supercomputer” cluster, other than cost and effort. Linpack numbers are in line with average dual core laptop.",
"parent_id": null,
"depth": 1,
... | 1,760,374,304.093152 | ||
https://hackaday.com/2018/07/05/leds-make-an-analog-wristwatch/ | LEDs Make An “Analog” Wristwatch | Lewin Day | [
"LED Hacks"
] | [
"led",
"stm32",
"watch"
] | If you just came down in the last shower, you’re probably used to living in a world where LEDs are cheap, awesome, and practically everywhere. Spare a thought for those of us who lived before the invention of high brightness LEDs – these things still amaze us!
A great example of how far we’ve come is this “analog” watc... | 6 | 4 | [
{
"comment_id": "4707529",
"author": "Isaac",
"timestamp": "2018-07-06T03:21:38",
"content": "Had one of those forty years ago, except it used an LCD instead of LEDs. Went a bit more than a year on a CR3032 battery. Google on “Texas Instruments Starburst”.",
"parent_id": null,
"depth": 1,
... | 1,760,374,304.478093 | ||
https://hackaday.com/2018/07/05/casting-tour-de-force-results-in-swashplate-for-scale-helicopter/ | Casting Tour-De-Force Results In Swashplate For Scale Helicopter | Dan Maloney | [
"drone hacks",
"Misc Hacks"
] | [
"alloy",
"casting",
"collective",
"cyclic",
"helicopter",
"machining",
"rc",
"rotary wing",
"rotorcraft",
"Swashplate"
] | While quadcopters seem to attract all the attention of the moment, spare some love for the rotary-wing aircraft that started it all: the helicopter. Quads may abstract away most of the aerodynamic problems faced by other rotorcraft systems through using software, but the helicopter has to solve those problems mechanica... | 21 | 5 | [
{
"comment_id": "4706576",
"author": "Jason Head",
"timestamp": "2018-07-05T23:11:29",
"content": "Mechanical complexity has much to be admired, but ultimately software control is more scalable and redundancy easier to implement.An ideal is to have as simple mechanical properties as possible wit... | 1,760,374,304.717248 | ||
https://hackaday.com/2018/07/05/shooting-for-the-first-time-with-help-from-a-raspberry-pi/ | Shooting For The First Time With Help From A Raspberry Pi | Dan Maloney | [
"Raspberry Pi",
"Weapons Hacks"
] | [
"assistive technology",
"Crikit",
"Feather",
"gun",
"pistol",
"Raspberry Pi Zero",
"servo",
"trigger"
] | Like many people, [Mike] has a list of things he wants to do in life. One of them is “fire a gun with a switch,” and with a little help from some hacker friends, he knocked this item off last weekend.
For those wondering why the specificity of the item, the backstory will help explain. [Mike] has spinal muscular atroph... | 15 | 5 | [
{
"comment_id": "4703694",
"author": "Sam",
"timestamp": "2018-07-05T08:30:24",
"content": "Be really careful, in the US I recall a decision by the ATF that electronic trigger actuators on semi-auto firearms is a case of readily converted to full auto, heance to be treated as full auto(GCA’68). Wha... | 1,760,374,304.527082 | ||
https://hackaday.com/2018/07/04/how-to-design-custom-shaped-boards-in-fritzing/ | How To Design Custom Shaped Boards In Fritzing | Brian Benchoff | [
"Tool Hacks"
] | [
"fritzing",
"pcb",
"rounded corners"
] | If you’re looking to get started in designing a few PCBs, you could use one of the many software packages that allow you to create a PCB quickly, easily, and with a minimum amount of fuss. You could also use Fritzing.
Fritzing is terribad and you shouldn’t use it, but that doesn’t mean you still can’t abuse Fritzing to... | 18 | 10 | [
{
"comment_id": "4702937",
"author": "Debra Ansell",
"timestamp": "2018-07-05T05:29:29",
"content": "I just designed my first PCB this year, and am not ashamed to admit I started with Fritzing, since I was already comfortable using it for other purposes. (I’ve since started using Eagle, which has it... | 1,760,374,304.590101 | ||
https://hackaday.com/2018/07/04/the-smaller-tinier-arduino-platform/ | The Smaller, Tinier Arduino Platform | Bryan Cockfield | [
"Microcontrollers"
] | [
"alternative",
"arduino",
"Atmel",
"attiny",
"breakout board",
"Franzininho",
"microcontroller",
"open source"
] | While many of the Arduino platforms are great tools for gaining easy access to microcontrollers, there are a few downsides. Price and availability may be the highest on the list, and for those reasons, some have chosen to deploy their own open-source Arduino-compatible boards.
The latest we’ve seen is
the Franzininho, ... | 34 | 7 | [
{
"comment_id": "4702327",
"author": "Thinkerer",
"timestamp": "2018-07-05T02:37:10",
"content": "Comparison with the Digispark?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4702553",
"author": "danjovic",
"timestamp": "2018-07-05T03:51:31"... | 1,760,374,304.660217 | ||
https://hackaday.com/2018/07/04/build-your-own-rowing-machine-now-with-digital-readout/ | Build Your Own Rowing Machine, Now With Digital Readout! | Lewin Day | [
"classic hacks"
] | [
"atmega",
"ergometer",
"excercise",
"excercise machine",
"excersize",
"excersize machine",
"rowing machine"
] | An ergometer is a fancy fitness word for a rowing machine, a device which can be used to work out the muscles used in rowing. It’s an excellent cardio workout that can also build upper body strength, and resistance can be varied depending on the individual’s fitness goals.
But perhaps you need to measure your workout t... | 12 | 5 | [
{
"comment_id": "4701788",
"author": "Leithoa",
"timestamp": "2018-07-05T00:29:12",
"content": "If you’re using an erg to build your upper body you’re doing it wrong. The rowing stroke uses you legs and lower back far more than your arms or upper back.Basically it’s a power clean or deadlift but hor... | 1,760,374,304.76313 | ||
https://hackaday.com/2018/07/04/spraychalk-anoints-your-sidewalks-with-precision-sandprints/ | Spraychalk Anoints Your Sidewalks With Precision Sandprints | Sonya Vasquez | [
"cnc hacks"
] | [] | Giant lines in the sand are incredibly useful for pleasing the gods and hailing overpassing extraterrestrials. Beautiful, unwarranted spray-painted sidewalks might land you in detention with local law enforcement. Of course, why not have both? With the
Sand-and-Spraychalk
machine, you can!
The Sand-and-Spraychalk machi... | 8 | 6 | [
{
"comment_id": "4700308",
"author": "steelman",
"timestamp": "2018-07-04T20:08:47",
"content": "Show me a pavement that is flat enough for this robot to do its job.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4700351",
"author": "Ostracus",
"timest... | 1,760,374,304.812143 | ||
https://hackaday.com/2018/07/04/nonpareil-rpn-hp-41-calculator-build/ | Nonpareil RPN HP-41 Calculator Build | Rich Hawkes | [
"The Hackaday Prize"
] | [
"70's calculators",
"calculator hack",
"HP-41C",
"nonpareil high-fidelity calculator simulator",
"pcb",
"RPN",
"RPN calculator"
] | The early HP Reverse Polish Notation calculators have a special place in the hearts of engineers and tinkerers as there are lots of projects involving them. They haven’t been produced in decades, but [Chris Chung] has used some open source code to
create DIY hardware version of the HP-41 Reverse Polish Notation (RPN) c... | 21 | 11 | [
{
"comment_id": "4700042",
"author": "zerg",
"timestamp": "2018-07-04T19:22:50",
"content": "What is the obsession with making things so small that it’s impractical to use them?I like calculators but this hack is is way too small for my fingers.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,304.871766 | ||
https://hackaday.com/2018/07/04/calculus-and-a-calculator/ | Calculus And A Calculator | Al Williams | [
"Hackaday Columns",
"History"
] | [
"Leibniz Wheel",
"mechanical calculator"
] | Earlier this year, [Dan Maloney] went inside
mechanical calculators
. Being the practical sort, [Dan] jumped right into the Pascaline invented by Blaise Pascal. It couldn’t multiply or divide. He then went into the arithmometer, which is arguably the first commercially successful mechanical calculator with four functio... | 7 | 1 | [
{
"comment_id": "4699709",
"author": "Jerry",
"timestamp": "2018-07-04T18:17:53",
"content": "Sum of all fears?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4699979",
"author": "Wally Owen",
"timestamp": "2018-07-04T19:11:09",
"cont... | 1,760,374,304.343939 | ||
https://hackaday.com/2018/07/07/tiny-websites-have-no-server/ | Tiny Websites Have No Server | Al Williams | [
"Network Hacks"
] | [
"javascript",
"privacy",
"url",
"web hosting",
"website"
] | A big trend in web services right now is the so-called serverless computing, such as Amazon’s Lambda service. The idea is you don’t have a dedicated server waiting for requests for a specific purpose. Instead, you have one server (such as Amazon’s) listening for lots of requests and on demand, you spin up an environmen... | 50 | 18 | [
{
"comment_id": "4715717",
"author": "onebiozz",
"timestamp": "2018-07-08T05:09:40",
"content": "oh this just reminds me of my old XSS days … i like it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4715850",
"author": "jpa",
"timestamp": "2018-07-08T0... | 1,760,374,305.008183 | ||
https://hackaday.com/2018/07/07/multi-board-solder-stencils-explained/ | Multi-Board Solder Stencils Explained | Jenny List | [
"Tool Hacks"
] | [
"pcb",
"reflow",
"reflow soldering",
"stencil"
] | There was a time when reflow soldering was an impossibly exotic process at our level, something that only the most superhuman of hackers could even
dream
of attempting. But a demystification of the process plus the ready availability of affordable PCB and stencil manufacture has rendered into the range of almost all co... | 13 | 4 | [
{
"comment_id": "4717128",
"author": "darronb",
"timestamp": "2018-07-08T13:43:43",
"content": "Just a note for others. It looks like he ordered 120 boards without thinking of putting them on a panel… that’s fine, just about everyone does that at first.However… “not being in the happy position of h... | 1,760,374,305.062544 | ||
https://hackaday.com/2018/07/07/a-peek-into-a-weed-eating-robots-test-fixtures/ | A Peek Into A Weed-Eating Robot’s Test Fixtures | Donald Papp | [
"hardware",
"Microcontrollers"
] | [
"adafruit",
"kickstarter",
"motor",
"Pogo pin",
"pogo pins",
"raspberry pi",
"tertill",
"test fixture"
] | When it comes to production, fast is good! But
right the first time
is better. Anything that helps prevent rework down the line is worth investing in. Some of the best tools to catch problems are good test fixtures. The folks at Tertill (a solar-powered robot for killing weeds that kickstarted last year) took the time ... | 2 | 1 | [
{
"comment_id": "4715059",
"author": "BrightBlueJim",
"timestamp": "2018-07-08T00:42:00",
"content": "It looks like a great deal of thought was put into this.One critique: the motor tester has no way of knowing whether the motor is wired correctly or not, since it doesn’t detect the direction the mo... | 1,760,374,305.103786 | ||
https://hackaday.com/2018/07/07/this-smart-pill-uses-a-stomach-acid-battery/ | This Smart Pill Uses A Stomach Acid Battery | Steven Dufresne | [
"Medical Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"battery",
"bluetooth LE",
"pill"
] | [Curt White] is working on
a smart pill whose copper-zinc battery will use his own stomach acid as the electrolyte
. It’s not that unusual of an idea, MIT tested a similar approach in a pig. It’s also better than using lithium ion batteries, something
we covered in this PSA
.
Smartpill circuit diagram
His starting poin... | 34 | 12 | [
{
"comment_id": "4713920",
"author": "steelman",
"timestamp": "2018-07-07T20:04:28",
"content": "How aboutRadioisotope thermoelectric generator?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4713954",
"author": "Brian",
"timestamp": "2018-07... | 1,760,374,307.387425 | ||
https://hackaday.com/2018/07/07/pinball-wizard-hacks-table-for-tommy-stage-show/ | Pinball Wizard Hacks Table For Tommy Stage Show | Richard Baguley | [
"classic hacks"
] | [
"automation",
"pinball",
"stage"
] | Ever since he was a young hacker
[Mark Gibson] has messed with the silver ball.
From Soho down to Denver
he must have fixed them all.
But we ain’t seen anything like this
in any amusement hall.
That darn devious hacker
sure
hacks a mean pinball
.
He hacks it like an expert,
Becomes part of the machine
Automating all th... | 9 | 6 | [
{
"comment_id": "4713180",
"author": "MK 2",
"timestamp": "2018-07-07T17:07:39",
"content": "Awesome write up of an awesome project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4713363",
"author": "David",
"timestamp": "2018-07-07T18:11:19",
"co... | 1,760,374,306.911437 | ||
https://hackaday.com/2018/07/07/a-unique-microphone-preamp/ | A Unique Microphone Preamp | Tom Nardi | [
"Arduino Hacks",
"home entertainment hacks"
] | [
"amplifier",
"arduino",
"audio visualizer",
"INA217",
"oled"
] | We live in a world in which nearly any kind of gadget or tool you can imagine is just a few clicks away. In many respects, this has helped fuel the maker culture over the last decade or so; now that people aren’t limited to the hardware that’s available locally, they’re able to create bigger and better things than ever... | 5 | 5 | [
{
"comment_id": "4712732",
"author": "Orlando Hoilett",
"timestamp": "2018-07-07T14:04:02",
"content": "I like this!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4712795",
"author": "Jan",
"timestamp": "2018-07-07T14:34:41",
"content": "Very inte... | 1,760,374,307.314588 | ||
https://hackaday.com/2018/07/07/theres-a-computer-in-this-hard-drive/ | There’s A Computer In This Hard Drive | Brian Benchoff | [
"Retrocomputing"
] | [
"286",
"hackaday retro edition",
"retro edition",
"retrocomputing"
] | Throughout the history of personal computers, there are some unique form factors. The 3com Audrey was sold as a computing appliance, meant to sit on a kitchen counter, to display recipes or something. For some reason, Macs were cubes once, and it actually wasn’t a bad machine. At one point, you were supposed to put a m... | 21 | 15 | [
{
"comment_id": "4712674",
"author": "rasz_pl",
"timestamp": "2018-07-07T13:32:14",
"content": "“Arachne” browser, as in a spider, for the web. Also played with it ~1998 on my 386 like the author. Remembering that made me feel even older.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,306.97263 | ||
https://hackaday.com/2018/07/05/junk-bin-self-balancing-bot-with-esp8266/ | Junk Bin Self Balancing Bot With ESP8266 | Tom Nardi | [
"Microcontrollers",
"Robots Hacks"
] | [
"ESP-01",
"ESP8266",
"l293",
"mpu6050",
"Self Balancing Robot"
] | As we all know, sometimes the projects we plan simply never materialize. You have an idea, maybe even buy some of the parts you need, and then…nothing. Maybe you changed your mind, or maybe the idea was never that good to begin with. In any event, time marches on, the parts pile up, and the ideas come and go. Such is t... | 10 | 5 | [
{
"comment_id": "4706397",
"author": "Jeffeb3",
"timestamp": "2018-07-05T22:31:27",
"content": "Definitely earns extra points for soldering directly to the esp 8266 pins.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4706897",
"author": "Alan Kilian",
... | 1,760,374,307.439773 | ||
https://hackaday.com/2018/07/05/a-flashlight-powered-by-your-hot-little-hands/ | A Flashlight Powered By Your Hot Little Hands | Kristina Panos | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"boost converter",
"energy harvesting",
"human batteries",
"peltier",
"peltier unit"
] | We are smack-dab in the middle of our Energy Harvesting Challenge, and [wasimashu] might have this one in the palm of his hand. Imagine a compact flashlight that doesn’t need batteries or bulbs. You’d buy a 10-pack and stash them everywhere, right? If there’s nothing that will leak or break or expire in your lifetime, ... | 18 | 7 | [
{
"comment_id": "4705592",
"author": "Ren",
"timestamp": "2018-07-05T19:03:59",
"content": "Celcius.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4705992",
"author": "Paul",
"timestamp": "2018-07-05T20:34:14",
"content": "Ok. 80% mo... | 1,760,374,307.088853 | ||
https://hackaday.com/2018/07/05/wrangling-rc-servos-becoming-a-hassle-try-serial-bus-servos/ | Wrangling RC Servos Becoming A Hassle? Try Serial Bus Servos! | Roger Cheng | [
"Hackaday Columns",
"how-to",
"Robots Hacks",
"Slider"
] | [
"continuous rotation servo",
"hobby servo",
"rc servo",
"serial",
"serial control",
"serial interface",
"servo control",
"servo motor"
] | When we need actuators for a project, a servo from the remote-control hobby world is a popular solution. Though as the number of servos go up, keeping their wires neat and managing their control signals become a challenge. Once we start running more servos than we have fingers and toes, it’s worth considering the seria... | 24 | 15 | [
{
"comment_id": "4705297",
"author": "Ostracus",
"timestamp": "2018-07-05T17:33:10",
"content": "Considering that smarts are getting ever smaller, one can move that towards the motor end.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4707035",
"auth... | 1,760,374,307.508096 | ||
https://hackaday.com/2018/07/05/hackaday-journal-completes-first-review-process-seeks-more-submissions/ | Hackaday Journal Completes First Review Process, Seeks More Submissions | Mike Szczys | [
"Hackaday Columns",
"News",
"Slider"
] | [
"Hackaday Journal",
"HJWYDK",
"leakage",
"Scalar Network Analyzer",
"SNA",
"vector network analyzer",
"vna"
] | Congratulations and thank you go to Theodore Yapo for authoring the first paper to complete the peer review process for the
Hackaday Journal
. You can
read the standalone paper here
; it will be included in the first volume of the Hackaday Journal officially released later this year.
The Hackaday Journal is an open acc... | 14 | 8 | [
{
"comment_id": "4705105",
"author": "bremenpl",
"timestamp": "2018-07-05T16:16:50",
"content": "Impact factor :p?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4705162",
"author": "Ren",
"timestamp": "2018-07-05T16:41:18",
"content": "I’m guessin... | 1,760,374,307.034457 | ||
https://hackaday.com/2018/07/05/esp8266-keeps-tabs-on-the-kids-tablets/ | ESP8266 Keeps Tabs On The Kid’s Tablets | Tom Nardi | [
"Microcontrollers",
"Tablet Hacks"
] | [
"ESP8266",
"IFTTT",
"kids",
"microswitch",
"rfid",
"tablet"
] | Assuming you have a child and it’s no longer womb-bound, there’s a fairly high chance they’ve already had some experience with the glowing beauty that is the LCD display; babies of only a few months old are often given a tablet or smartphone to keep them occupied. But as the child gets to the age where they are capable... | 24 | 13 | [
{
"comment_id": "4705047",
"author": "Chris Miller",
"timestamp": "2018-07-05T15:50:47",
"content": "Only a matter of time before the kids figure out that they can jam a little golden book or a pop tart in that slot to stop the timer.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,374,307.269355 | ||
https://hackaday.com/2018/07/05/open-source-diy-printers-are-alive-and-well-what-we-saw-at-errf-18/ | Open Source DIY Printers Are Alive And Well: What We Saw At ERRF 18 | Tom Nardi | [
"3d Printer hacks",
"cons",
"Featured",
"Interest",
"Slider"
] | [
"delta",
"EMT",
"ERRF",
"ERRF 18",
"open source",
"portable"
] | If you follow the desktop 3D printer market, it probably won’t surprise you to hear that nearly every 3D printer on display at the
inaugural East Coast RepRap Festival (ERRF)
was made in China. Even Printrbot CEO Brook Drumm had to admit that this was the year his company may finally bite the bullet and begin selling a... | 24 | 6 | [
{
"comment_id": "4704841",
"author": "Ostracus",
"timestamp": "2018-07-05T14:08:47",
"content": "“When you can get a decent (but let’s be clear, not great) 3D printer for $200 USD, it’s no surprise that American and European manufacturers are having a hard time staying competitive.”It seems to me th... | 1,760,374,307.574754 | ||
https://hackaday.com/2018/07/05/tattoo-your-3d-prints-with-velocity-painting/ | Tattoo Your 3D Prints With Velocity Painting | Sonya Vasquez | [
"3d Printer hacks",
"Slider"
] | [
"3d printing",
"pattern",
"print speed",
"tattoo",
"Velocity Painting"
] | Just when it seems like we’ve juiced all the creative potential out of our 3D printers, a bold new feature lands on the table. Enter
Velocity Painting
, a concept brought to life by [Mark Wheadon] that textures our 3D prints with greyscale images.
At its core, the technique is straightforward: skin an image onto a 3D p... | 9 | 7 | [
{
"comment_id": "4704494",
"author": "electrobob",
"timestamp": "2018-07-05T12:28:15",
"content": "This is awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4704651",
"author": "Joseph Sammarco",
"timestamp": "2018-07-05T13:13:28",
"content":... | 1,760,374,307.625823 | ||
https://hackaday.com/2018/07/04/friday-hack-chat-fire-and-cars/ | Friday Hack Chat: Fire And Cars | Brian Benchoff | [
"News"
] | [
"art car",
"fire",
"flame",
"Hack Chat"
] | Summer is here, and it’s time for the question on everyone’s mind: how are they going to get the fuselage of a 747 from the California desert to Burning Man? You can’t put it on a train, and it’s much wider than any truck.
This Friday, we’re not going to be answering the modern-day riddle of the Sphinx, but we are goin... | 1 | 1 | [
{
"comment_id": "4700431",
"author": "Ren",
"timestamp": "2018-07-04T20:32:21",
"content": "So, a 3tress is one less than a fortress?B^)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,307.783679 | ||
https://hackaday.com/2018/07/04/neat-3d-printer-hack-makes-printing-multiples-possible/ | Neat 3D Printer Hack Makes Printing Multiples Possible | Richard Baguley | [
"3d Printer hacks",
"Slider"
] | [
"3d printing",
"gcode"
] | One of the promises of 3D printing is that you can mass produce objects at home, printing out multiple copies of whatever you want. Unfortunately, the reality is a bit different: once you have printed something out, you usually need to remove it manually from the print bed. Unless you are [Replayreb], that is: he’s com... | 24 | 12 | [
{
"comment_id": "4699041",
"author": "Aaron Christophel",
"timestamp": "2018-07-04T15:48:02",
"content": "You could print like 100 of thees on one bed !?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4699968",
"author": "jaap",
"timestamp": ... | 1,760,374,307.685621 | ||
https://hackaday.com/2018/07/04/retrotechtacular-constructing-a-car-engine/ | Retrotechtacular: Constructing A Car Engine | Jenny List | [
"car hacks",
"Retrotechtacular"
] | [
"car engine",
"engine",
"factory",
"machining",
"manufacturing",
"metalwork",
"morris",
"retrotechtacular"
] | Oxford is a city world-famous for its university, and is a must-see stop on the itinerary of many a tourist to the United Kingdom. It features mediaeval architecture, unspoilt meadows, two idylic rivers, and a car plant. That’s the part the guide books don’t tell you, if you drive a BMW Mini there is every chance that ... | 18 | 8 | [
{
"comment_id": "4698722",
"author": "Jim",
"timestamp": "2018-07-04T14:26:52",
"content": "The Morris Marina! I spent many hours fighting with my brother in the back of that turd colour car, no seat belts, travelling to see the Grandparents at Christmas! Nice to see it get a little love and a menti... | 1,760,374,307.744449 | ||
https://hackaday.com/2018/07/04/a-pick-and-place-that-is-a-work-of-art/ | A Pick-And-Place That Is A Work Of Art | Jenny List | [
"cnc hacks"
] | [
"cnc",
"pick and place",
"pick and place machines",
"robot"
] | It’s a Holy Grail among hackerspaces, the possession of a pick-and-place machine. These robotic helpers for placing surface-mount components on PCBs are something of a gateway to electronic production, but they can carry a fearsome cost. Happily for the cash-strapped would-be electronic manufacturer, it is possible to ... | 8 | 3 | [
{
"comment_id": "4698406",
"author": "Magpie",
"timestamp": "2018-07-04T13:17:15",
"content": "Definately interesting and impressive. I just wonder where you draw the line between complete manual assembly, semi-professional inhouse manufacturing with “DIY” automation solutions and just go the easy r... | 1,760,374,307.884212 | ||
https://hackaday.com/2018/07/04/the-electric-vehicles-of-emf-camp-a-sinclair-c5-almost-as-it-should-have-been/ | The Electric Vehicles Of EMF Camp: A Sinclair C5, (Almost) As It Should Have Been | Jenny List | [
"Transportation Hacks"
] | [
"C5",
"electric vehicle",
"Hacker camp vehicles",
"sinclair",
"Sinclair C5"
] | Most Hackaday readers will have heard of [Clive Sinclair], the British inventor and serial entrepreneur whose name appeared on some of the most fondly-recalled 8-bit home computers. If you aren’t either a Sinclair enthusiast or a Brit of a Certain Age though, you may not also be aware that he dabbled for a while in the... | 40 | 9 | [
{
"comment_id": "4697263",
"author": "Sheldon",
"timestamp": "2018-07-04T09:10:04",
"content": "Alas in his write up he says that at 27mph he’s only 7 mph over the legal limit when unfortunately he’s actually significantly more (it’s only 15.5mph for e-bikes) and if he was really thinking of the leg... | 1,760,374,308.016794 | ||
https://hackaday.com/2018/07/03/tie-dyed-filament-sings-with-color/ | Tie-Dyed Filament Sings With Color | Sonya Vasquez | [
"3d Printer hacks"
] | [
"3d printing",
"filament dyeing",
"nylon",
"nylon filament"
] | Manufacturers dye all sorts of 3D printer filaments on their factory lines; why can’t we? [Richard] takes this idea one step further by creating
his own custom multicolored reels of nylon
. Printing with these reels produces a vibrant pattern that simply demands our attention and begs us to ask: how on earth..?
[Richa... | 9 | 6 | [
{
"comment_id": "4696248",
"author": "Feathers&Flowers",
"timestamp": "2018-07-04T05:15:03",
"content": "Wow! That’s pretty epic! I’m not sure which I want to try first: the dyed nylon or the Sharpie hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4696386... | 1,760,374,307.938484 | ||
https://hackaday.com/2018/07/03/an-e-bike-battery-pack-without-spot-welding/ | An E-Bike Battery Pack Without Spot Welding | Dan Maloney | [
"Misc Hacks",
"Transportation Hacks"
] | [
"13S4P",
"18650",
"acrylic",
"battery",
"bms",
"e-bike",
"lithium ion",
"nickel"
] | In somewhat of a departure from their normal fare of heavy metal mods, [Make It Extreme] is working on
a battery pack for an e-bike
that has some interesting design features.
The guts of the pack are pretty much what you’d expect – recovered 18650 lithium-ion cells. They don’t go into details, but we assume the 52 cell... | 44 | 25 | [
{
"comment_id": "4695588",
"author": "onebiozz",
"timestamp": "2018-07-04T02:08:46",
"content": "Large high current, high voltage battery banks are soldered or spot welded for a reasonyou really don’t want dicky connections on such a thing … at several dozen amps threw a few milliohms of contact res... | 1,760,374,308.204757 | ||
https://hackaday.com/2018/07/09/putting-more-tech-into-more-hands-the-robin-hoods-of-hackaday-prize/ | Putting More Tech Into More Hands: The Robin Hoods Of Hackaday Prize | Roger Cheng | [
"Hackaday Columns",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printer",
"air pressure",
"AMS",
"cnc",
"CNC router",
"CNC woodworking",
"conveyor belt",
"conveyor belt printer",
"infinite build volume printer",
"maslow",
"photospectrometer",
"plywood",
"pressure sensitive",
"pressure sensor",
"reflectance",
"reflectanc... | Many different projects started with the same thought: “That’s really expensive… I wonder if I could build my own for less.” Success is rewarded with satisfaction on top of the money saved, but true hacker heroes share their work so that others can build their own as well. We are happy to recognize such generosity with... | 9 | 4 | [
{
"comment_id": "4722915",
"author": "Dovid Taub",
"timestamp": "2018-07-09T19:04:17",
"content": "From the thumbnail, I thought this article was going to be about building a new internet.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4722942",
"aut... | 1,760,374,308.084385 | ||
https://hackaday.com/2018/07/09/rocket-bullets-the-flame-and-fizzle-of-the-gyrojet/ | Rocket Bullets: The Flame And Fizzle Of The Gyrojet | Adam Fabio | [
"classic hacks",
"Hackaday Columns",
"History",
"Original Art",
"Slider"
] | [
"bullet",
"Gyrojet",
"Less-Lethal",
"rocket bullets"
] | In the 1950’s and 60’s, the world had rocket fever. Humankind was taking its first steps into space and had sights on the moon. Kids could build rockets at the kitchen table and launch them in the schoolyard. On the darker side, the arms race was well underway with the US and USSR trying to close the fictional
missile ... | 45 | 18 | [
{
"comment_id": "4722568",
"author": "Ostracus",
"timestamp": "2018-07-09T17:32:41",
"content": "“The titanium oxide worked so well that other rocket companies began asking MBA how they were doing it. The answer was simple – head down the local paint store!”Gotta love history.Now combine Gyrojets wi... | 1,760,374,308.442549 | ||
https://hackaday.com/2018/07/09/on-the-right-tracks-electric-wheelchair-guts-find-new-life-as-tank/ | On The Right Tracks: Electric Wheelchair Guts Find New Life As Tank | Ben James | [
"Misc Hacks"
] | [
"diy",
"electric",
"peter sripol",
"tank",
"WheelChair"
] | Every hacker has dreamt of building their own tank at some point. Or maybe that’s just us. [Peter Sripol] and [Sam Foskuhl] have
built one at a scale which is big enough to be rideable
, but small enough that neighbors don’t get concerned.
An electric wheelchair is at the heart of the build. After ripping out its inter... | 11 | 5 | [
{
"comment_id": "4722178",
"author": "Ostracus",
"timestamp": "2018-07-09T15:36:50",
"content": "“Every hacker has dreamt of building their own tank at some point.”Building is half the fun.https://www.news.com.au/lifestyle/real-life/true-stories/tank-stolen-from-military-facility-in-richmond-virgini... | 1,760,374,308.356202 | ||
https://hackaday.com/2018/07/09/hackaday-superconference-tickets-and-proposals-2/ | Hackaday Superconference: Tickets And Proposals | Mike Szczys | [
"cons",
"Featured",
"Slider"
] | [
"2018 Hackaday Superconference",
"call for proposals",
"cfp",
"Hackaday SuperConference",
"Supercon",
"Superconference",
"tickets"
] | Get your tickets now for the 2018 Hackaday Superconference
. Join us November 2nd-4th in Pasadena, California!
This is the ultimate hardware conference. Hackers, designers, and engineers from all over the world converge — from the greenest beginners to those who have made history with their designs. This is the Hackada... | 15 | 7 | [
{
"comment_id": "4721994",
"author": "Ostracus",
"timestamp": "2018-07-09T14:45:04",
"content": "“The number one question we get about CFP is “I’m excited about X, should I submit a proposal?” The answer is yes. Don’t self-eliminate — if you have an idea for a talk we want to hear from you.”Number t... | 1,760,374,308.495592 | ||
https://hackaday.com/2018/07/09/chinese-laser-ak-47-myth-or-real/ | Chinese Laser AK-47: Myth Or Reality? | Steven Dufresne | [
"Laser Hacks"
] | [
"laser",
"laser gun"
] | Chinese company ZKZM Laser has produced the ZKZM-500 laser assault rifle which people are calling the Chinese AK-47 because of its similar size, weighing in at three kilos (6.6 lbs). Claims of its capabilities, however, are being disputed.
The
South China Morning Post
writes that the company claims the laser to:
be pow... | 164 | 25 | [
{
"comment_id": "4720994",
"author": "alfem",
"timestamp": "2018-07-09T11:05:13",
"content": "Mirror clothes are the new camo :-D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4723935",
"author": "macona",
"timestamp": "2018-07-09T23:24:29",... | 1,760,374,308.793116 | ||
https://hackaday.com/2018/07/09/3d-printed-upgrade-for-cheap-foam-glider/ | 3D Printed Upgrade For Cheap Foam Glider | Tom Nardi | [
"3d Printer hacks",
"Toy Hacks"
] | [
"foam",
"glider",
"rc plane",
"remote control"
] | We know you’ve seen them: the big foam gliders that are a summertime staple of seemingly every big box retailer and dollar store in the world. They may be made by different companies or have slight cosmetic differences, but they all adhere to the basic formula: a long plastic bag containing the single-piece fuselage an... | 13 | 7 | [
{
"comment_id": "4720466",
"author": "Evaprototype",
"timestamp": "2018-07-09T08:21:08",
"content": "The 747 with the fuselage in two pieces was a dream to fly it glided with a near 50:1 glide ratio.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4721327",
... | 1,760,374,308.54996 | ||
https://hackaday.com/2018/07/08/disneys-humanoid-stunt-robots-throw-multiple-backflips-no-sweat/ | Disney’s Humanoid Stunt Robots Throw Multiple Backflips No Sweat | Mike Szczys | [
"Robots Hacks"
] | [
"acrobatics",
"brick",
"disney research",
"Stickman",
"stunt double",
"stunt robot",
"Stuntronic"
] | What’s the biggest problem right now with humanoid robots? They fall down. Disney seems to have solved that problem here by making robots that are meant to fall down and be caught by a net. Disney’s research arm (you may know them as Imagineers) is showing off
a robot called Stuntronic which can perform controlled some... | 19 | 11 | [
{
"comment_id": "4720231",
"author": "Nitpicker Smartyarse",
"timestamp": "2018-07-09T06:52:14",
"content": "The video seems to take great care to NOT show the landing phase very clearly.Which is the most important thing in falling “correctly”. The “flying” can be done by a stick (which is demonstra... | 1,760,374,308.606427 | ||
https://hackaday.com/2018/07/02/electronics-manufacturers-react-to-china-trade-tariffs/ | Electronics Manufacturers React To China Trade Tariffs | Brian Benchoff | [
"Current Events",
"News"
] | [
"electronic components",
"international trade",
"manufacturing",
"moog",
"sourcing",
"tariff",
"trade policy"
] | Mere weeks ago, the United States announced it was set to
impose a 25% tariff on over 800 categories of Chinese goods
. These tariffs include nearly every component that goes into the manufacture of any piece of electronic hardware, from resistors to capacitors, semiconductors to microcontrollers, and even the raw comp... | 100 | 25 | [
{
"comment_id": "4687368",
"author": "Ren",
"timestamp": "2018-07-02T16:03:13",
"content": "So, maybe I should contact my Congressional representatives and ask them to keep the tariffs in place?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4687383",
... | 1,760,374,308.986642 | ||
https://hackaday.com/2018/07/02/coolest-way-to-watch-3d-printing-lights-camera-octolapse/ | Coolest Way To Watch 3D Printing: Lights, Camera, Octolapse! | Tom Nardi | [
"3d Printer hacks",
"Featured",
"how-to",
"Original Art",
"Skills",
"Slider"
] | [
"Logitech C270",
"octolapse",
"Octoprint",
"time lapse camera"
] | Octoprint is a household name for anyone into 3D printing and anyone regularly reading Hackaday. Described by creator Gina Häußge as “the snappy web interface for your 3D printer”, Octoprint allows you to control effectively any desktop 3D printer over the local network or Internet. It even has webcam support so you ca... | 23 | 12 | [
{
"comment_id": "4687079",
"author": "Ren",
"timestamp": "2018-07-02T14:38:13",
"content": "No stringy bridges between the separate parts of the Jolly Wrencher build!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4687478",
"author": "nino",
"timestamp... | 1,760,374,308.858788 | ||
https://hackaday.com/2018/07/02/easy-peelzy-makes-3d-prints-stick-and-not-stick/ | Easy-Peelzy Makes 3D Prints Stick And Not Stick | Al Williams | [
"3d Printer hacks"
] | [
"3d printer",
"3dprinting",
"build surface"
] | We have a friend who has always been obsessed that he didn’t invent the Weed Eater. After all, it is just some fishing line and a motor. We might feel the same way about
Easy-Peelzy
, which [Maker’s Muse] reviews in the video, below. The idea is very simple. Two squares of material that have magnets in them and one sur... | 36 | 13 | [
{
"comment_id": "4686536",
"author": "Cyk",
"timestamp": "2018-07-02T12:06:52",
"content": "Just use Pertinax. Cheap and works great with both PLA and ABS.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4686686",
"author": "electrobob",
"time... | 1,760,374,309.056613 | ||
https://hackaday.com/2018/07/02/simple-jig-uses-electromagnet-for-clean-angle-grinder-cuts/ | Simple Jig Uses Electromagnet For Clean Angle Grinder Cuts | Dan Maloney | [
"Tool Hacks"
] | [
"air conditioner",
"circle",
"compas",
"compressor",
"cutter",
"electromagnetc",
"grinder",
"jig",
"metalwork",
"plasma"
] | We like it when hacks are literal hack jobs, put together with what’s on hand to do a specific job.
This quick and dirty angle grinder circle cutter
certainly fills the bill, and makes decent cuts in sheet metal to boot.
The build starts with an unlikely source for parts – an old automotive AC compressor. The one that ... | 22 | 9 | [
{
"comment_id": "4685891",
"author": "odjkh",
"timestamp": "2018-07-02T09:15:16",
"content": "This AC lamp switch is not designed for DC use, especially with inductive loads. It will fail quickly.Don’t hold an angle grinder with a single hand. What if angle grinder kicks back? It’s very likely that ... | 1,760,374,309.11684 | ||
https://hackaday.com/2018/07/01/furniture-and-motors-make-a-strange-bedfellow/ | Furniture And Motors Make A Strange Bedfellow | Lewin Day | [
"classic hacks"
] | [
"bed",
"dc motor",
"golf cart",
"motor"
] | Beds! They don’t move around enough, so the young people say. They need more motors, more horsepower, more self-driving smarts – right? Honestly, we’re not sure, but if that’s the question being asked,
[randofo] has the answer.
Aptly named, Bedfellow is an art project that sought to create a bed that could explore and ... | 15 | 13 | [
{
"comment_id": "4684610",
"author": "aegni",
"timestamp": "2018-07-02T06:00:13",
"content": "Facepalm.mkv",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4684915",
"author": "foxpup",
"timestamp": "2018-07-02T06:32:24",
"content": "People have been... | 1,760,374,309.166302 | ||
https://hackaday.com/2018/07/01/wave-goodbye-to-honda-asimo-a-robot-that-would-wave-back/ | Wave Goodbye To Honda Asimo, A Robot That Would Wave Back | Roger Cheng | [
"News",
"Robots Hacks"
] | [
"asimo",
"bipedal",
"bipedal robot",
"Honda",
"humanoid robot",
"walking robot"
] | Fans of technology will recall a number of years when Honda’s humanoid robot Asimo seemed to be everywhere. In addition to its day job in a research lab, Asimo had a public relations side gig showing everyone that Honda is about more than cars and motorcycles. From trade shows to television programs, even amusement par... | 20 | 11 | [
{
"comment_id": "4683181",
"author": "Ostracus",
"timestamp": "2018-07-02T02:08:24",
"content": "Sonny can look back upon grandpa.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4683351",
"author": "Jag",
"timestamp": "2018-07-02T02:27:48",
"conte... | 1,760,374,309.513446 | ||
https://hackaday.com/2018/07/01/hackaday-links-july-1-2018/ | Hackaday Links: July 1, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"Intellimouse",
"microsoft",
"pebble",
"rebble",
"steam",
"ultralight"
] | Remember when computer mice didn’t have scroll wheels? The greatest mouse of all time, the Microsoft Intellimouse Explorer 3.0,
is back in production
. This mouse was released in 2003, before the popularity of ‘gaming’ mice from the likes of Razer, and at the time it was
the standard
mouse for RTS and FPS professional ... | 32 | 10 | [
{
"comment_id": "4682595",
"author": "Ostracus",
"timestamp": "2018-07-02T00:15:20",
"content": "“Believe me when I say this is one of the greatest user interface devices ever created, right up there with the Model M keyboard.”Ergonomic keyboard was pretty popular.“The Steam Link normally sells for ... | 1,760,374,309.342796 | ||
https://hackaday.com/2018/07/03/the-a-to-z-of-building-your-own-keyboard/ | The A To Z Of Building Your Own Keyboard | Tom Nardi | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"3d printed",
"atmega328p",
"custom keyboard",
"MCP23017",
"openscad"
] | We’ve featured a number of people who’ve taken the plunge and created their own customized keyboard; at this point it’s safe to say that there’s enough information and source code out there that anyone who’s looking to build their own board won’t have much trouble figuring out how to do so. That being said, it’s nice t... | 6 | 5 | [
{
"comment_id": "4693710",
"author": "Albert",
"timestamp": "2018-07-03T17:12:35",
"content": "I have an ergodox split keyboard and I use the dvorak layout. I couldn’t recommend it more. It is very comfortable and efficient. It has really opened my eyes in terms of what is out there for keyboards an... | 1,760,374,309.388613 | ||
https://hackaday.com/2018/07/02/using-an-ai-and-wifi-to-see-through-walls/ | Using An AI And WiFi To See Through Walls | Steven Dufresne | [
"Wireless Hacks"
] | [
"antenna",
"radar",
"snooping",
"wifi"
] | It’s now possible to not only
see people through walls but to see how they’re moving
and if they’re walking, to tell who they are. We finally have the
body scanner which Schwarzenegger walked behind
in the original Total Recall movie.
This is the work of a group at the MIT Computer Science and Artificial Intelligence L... | 36 | 8 | [
{
"comment_id": "4690771",
"author": "R",
"timestamp": "2018-07-03T05:44:34",
"content": "It’s not using WiFi, it’s only using the WiFi frequency ranges. I quote:« Our RF-based pose estimation relies on transmitting a low power RF signal and receiving its reflections. To separate RF reflections from... | 1,760,374,309.461734 | ||
https://hackaday.com/2018/07/02/load-bank-teardowns-show-danger/ | Load Bank Teardowns Show Danger | Al Williams | [
"Teardown"
] | [
"china",
"fake hardware",
"load bank"
] | [Syonyk] has been acquiring some large load banks to test power supplies and battery packs. These devices consist of a big current sink, a measurement device, and a fan. He picked up two similar-looking boards from the usual Chinese sources, both rated for 150W, both for about $30. Upon closer examination, though, he f... | 16 | 7 | [
{
"comment_id": "4689928",
"author": "onebiozz",
"timestamp": "2018-07-03T02:25:52",
"content": "chinese manufacturers surprise me all the time, everything from “how could they have made something so complex with so few parts so cheaply” to “how could they have messed something so simple up so badly... | 1,760,374,309.850038 | ||
https://hackaday.com/2018/07/02/opendeck-makes-spinning-your-own-midi-controller-easy/ | OpenDeck Makes Spinning Your Own MIDI Controller Easy | Lewin Day | [
"Musical Hacks"
] | [
"midi",
"midi controller",
"opendeck"
] | These days, MIDI controllers are just plain
cool.
There are a million of them out there, and they’re all dressed to the nines in flashing LEDs and sporting swag like USB MIDI interfaces and sliders that just feel
right.
With our italics budget running out, I should get to the point –
you can make your own, and the Open... | 31 | 11 | [
{
"comment_id": "4689535",
"author": "projectileobjects",
"timestamp": "2018-07-03T01:04:11",
"content": "Except the price. $199 plus all the buttons, pots, and sliders you’d may want to purchase? The Livid Instruments Brain v2 is only $189 by comparison and has been around for years. I like DIY p... | 1,760,374,309.63246 | ||
https://hackaday.com/2018/07/02/driftwood-binary-clock-is-no-hollow-achievement/ | Driftwood Binary Clock Is No Hollow Achievement | Kristina Panos | [
"Arduino Hacks",
"clock hacks"
] | [
"arduino nano",
"binary clock",
"dial-up music",
"driftwood",
"DS3231 RTC",
"IR remote",
"mp3 player"
] | It’s about time we had another awesome clock post around here. [Mattaw] has liked binary clocks since he was 0 and
decided to make one in stunning fashion by using driftwood
, nature’s drillable, fillable enclosure.
That beautiful wiring job on the RGB LEDs was done in 18g copper. To keep the LEDs aligned during solder... | 10 | 9 | [
{
"comment_id": "4688298",
"author": "djsmiley2k",
"timestamp": "2018-07-02T20:13:59",
"content": "Got to admit, I did a double take with the ’10 videos after the break comment’. Well played hack-a-day, well played!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,374,309.683729 | ||
https://hackaday.com/2018/07/02/video-quick-bit-the-things-that-move-robots/ | Video Quick-Bit: The Things That Move Robots | Mike Szczys | [
"Hackaday Columns",
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"Hackaday Prize Update",
"Robotics Module",
"video quick-bit"
] | Magenta Strongheart returns for
a look at some of the coolest robotic entries
from this year’s
Hackaday Prize
. Each of these answered the challenge for modular designs that will help supercharge new robot projects.
We think that cheap and abundant motor designs are poised to revolutionize robotics and several of the e... | 1 | 1 | [
{
"comment_id": "4687928",
"author": "Ostracus",
"timestamp": "2018-07-02T18:44:17",
"content": "“We think that cheap and abundant motor designs are poised to revolutionize robotics and several of the entries thought along those same lines. ”Any based upon wax motors?",
"parent_id": null,
"d... | 1,760,374,309.97365 | ||
https://hackaday.com/2018/07/02/spy-tech-how-an-apollo-capsule-landed-in-michigan-after-a-layover-in-the-ussr/ | Spy Tech: How An Apollo Capsule Landed In Michigan After A Layover In The USSR | Al Williams | [
"Hackaday Columns",
"History",
"Space"
] | [
"apollo",
"moon race",
"nasa",
"soviet",
"Soviet spies"
] | There’s an Apollo module on display in Michigan and its cold-war backstory is even more interesting than its space program origins.
Everyone who visits the
Van Andel Museum Center
in Grand Rapids, Michigan is sure to see
the Apollo Command Module
flanking the front entrance. Right now it’s being used as a different kin... | 44 | 16 | [
{
"comment_id": "4687622",
"author": "mikeslab",
"timestamp": "2018-07-02T17:17:20",
"content": "Just a quick typo correction, it’s the Van Andel (instead of Ardel).If anyone is in the area and hasn’t been to this museum I highly recommend it, it’s actually really cool.",
"parent_id": null,
... | 1,760,374,309.933464 | ||
https://hackaday.com/2018/07/03/launching-fireworks-with-raspberry-pi-this-fourth-of-july/ | Launching Fireworks With Raspberry Pi This Fourth Of July | Dan Maloney | [
"Holiday Hacks"
] | [
"controller",
"electric match",
"fireworks",
"kaboom",
"mortar",
"pyrotechnics",
"shell",
"squib",
"timer",
"wireless"
] | It’s that time of year again in the United States, and the skies will soon be alight with pyrotechnic displays, both professional and amateur. Amazing fireworks are freely available, sometimes legally, sometimes not. For the enthusiasts that put on homebrew displays, though, the choice between watching your handiwork o... | 7 | 5 | [
{
"comment_id": "4695613",
"author": "regdog",
"timestamp": "2018-07-04T02:16:47",
"content": "I hope the key switch is also the power switch so it can not be switched on in the armed position. Also from the pictures it looks like it is 24 cues. In a big show that is like a drop in the ocean. I ... | 1,760,374,309.791934 | ||
https://hackaday.com/2018/07/03/disneys-new-robot-limbs-trained-using-neural-networks/ | Disney’s New Robot Limbs Trained Using Neural Networks | Steven Dufresne | [
"Robots Hacks"
] | [
"disney research",
"machine learning",
"modular robot",
"modular robotics",
"neural network"
] | Disney is working on
modular, intelligent robot limbs that snap into place
with magnets. The intelligence comes from a reasonable sized neural network that also incorporates some modularity. The robot is their
Snapbot
whose base unit can fit up to eight of limbs, and so far they’ve trained with up to three together.
Th... | 9 | 5 | [
{
"comment_id": "4694679",
"author": "RoGeorge",
"timestamp": "2018-07-03T21:34:19",
"content": "https://www.youtube.com/watch?v=D6kNl5it9L4:o)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4694828",
"author": "Robert Mateja",
"timestamp": "2018-07-03... | 1,760,374,310.123281 | ||
https://hackaday.com/2018/07/03/roboshield-helps-your-robot-walk-and-talk/ | Roboshield Helps Your Robot Walk And Talk | Lewin Day | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"arduino",
"robot",
"shield"
] | The joy of building robots comes from being able to imbue them with as much or as little personality and functionality as you wish during the design and build process. While creative flair and originality is always a good thing, there’s a lot of basic needs many robots have in common with each other, so where possible ... | 3 | 2 | [
{
"comment_id": "4694326",
"author": "Dave Davidson",
"timestamp": "2018-07-03T19:52:20",
"content": "Needs a Blender attachment a robot that can blend random things is what everyone needs.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4694524",
"au... | 1,760,374,310.066673 | ||
https://hackaday.com/2018/07/03/philo-farnsworth-rca-and-the-battle-for-television/ | Philo Farnsworth, RCA, And The Battle For Television | Dan Maloney | [
"Biography",
"Engineering",
"Original Art"
] | [
"broadcasting",
"camera",
"cesium oxide",
"Farnsworth",
"image dissector",
"RCA",
"television",
"vacuum tube",
"video"
] | The parenthood of any invention of consequence is almost never cut and dried. The natural tendency to want a simple story that’s easy to tell — Edison invented the light bulb, Bell invented the telephone — often belies the more complex tale: that most inventions have uncertain origins, and their back stories are often ... | 35 | 17 | [
{
"comment_id": "4693695",
"author": "Ostracus",
"timestamp": "2018-07-03T17:08:20",
"content": "“The parenthood of any invention of consequence is almost never cut and dried.”Even more true as science and technology has become more complicated.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,310.213035 | ||
https://hackaday.com/2018/07/03/a-cartoon-ifying-camera-for-instant-absurdism/ | A Cartoon-ifying Camera For Instant Absurdism | Kristina Panos | [
"Raspberry Pi"
] | [
"google quick draw",
"neural network",
"Raspberry Pi 3",
"raspi camera",
"thermal printer"
] | We take photographs as a way to freeze moments in time and to capture the details that get blurred by our unreliable memories. There is little room for interpretation, and this is kind of the whole point.
[Dan Macnish]’s latest project, Draw This, turns reality into absurdity
. It’s a Raspberry Pi-based instant camera ... | 12 | 10 | [
{
"comment_id": "4693417",
"author": "BuzzKill (@buzzki11)",
"timestamp": "2018-07-03T15:46:52",
"content": "One of the coolest things I have seen here in a while. There are so many facets to this project from the AI, to the cardboard housing. Nicely done.",
"parent_id": null,
"depth": 1,
... | 1,760,374,310.259122 | ||
https://hackaday.com/2018/07/03/these-capacitors-are-a-cheap-gimmick/ | These Capacitors Are A Cheap Gimmick | Al Williams | [
"Hackaday Columns",
"how-to",
"Slider"
] | [
"adjustable",
"capacitor",
"gimmick",
"gimmick capacitor",
"prototype",
"radio",
"RF",
"tricks"
] | If you search through an electrical engineering textbook, you probably aren’t going to find the phrase “gimmick capacitor” but every old ham radio operator knows about them. They come in handy when you need a very small capacitor of unknown value. For example, if you are trying to balance the stray capacitance in a cir... | 31 | 12 | [
{
"comment_id": "4693038",
"author": "camerin hahn",
"timestamp": "2018-07-03T14:13:46",
"content": "The problem with that technique is it is terrifically inconsistent and only works at lower frequency. As at higher frequency it is an antenna that radiates.It may work in the ham world, but don’t pla... | 1,760,374,310.33517 | ||
https://hackaday.com/2018/07/03/drawing-lines-in-the-sand-taking-beach-graffiti-to-the-next-level/ | Drawing Lines In The Sand: Taking Beach Graffiti To The Next Level | Ben James | [
"3d Printer hacks",
"Robots Hacks"
] | [
"drawing",
"ivan miranda",
"robot",
"sand"
] | When strolling down the beach, there’s always an urge to draw in the sand – it seems compulsory to make your mark by inscribing something. But there’s a dilemma: how do you go about physically drawing it? You could opt to remain standing and attempt to deploy a toe, but that requires a level of dexterity few possess. T... | 39 | 15 | [
{
"comment_id": "4692656",
"author": "Will",
"timestamp": "2018-07-03T12:10:44",
"content": "That’s a pretty neat idea. A+ for execution as well",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4692664",
"author": "paul",
"timestamp": "2018-07-03T12:12:1... | 1,760,374,310.493848 | ||
https://hackaday.com/2018/07/01/raspberry-pi-zero-stepper-driver-first-of-many-modules/ | Raspberry Pi Zero Stepper Driver, First Of Many Modules | Donald Papp | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"module",
"motor driver",
"raspberry pi",
"Raspberry Pi W",
"robotics"
] | The Raspberry Pi in general (and the Zero W model in particular) are wonderful pieces of hardware, but they’re not entirely plug-and-play when it comes to embedded applications. The user is on the hook for things like providing a regulated power source, an OS, and being mindful of proper shutdown and ESD precautions. S... | 32 | 7 | [
{
"comment_id": "4681605",
"author": "Mike",
"timestamp": "2018-07-01T21:50:02",
"content": "The trouble with RPI is the uSD card. Commercial temp range. Oh, and lets not forget RPI got so cheap that they dont provide locking uSD doors anymore. So far to people think they are good to use everywhere,... | 1,760,374,310.566099 | ||
https://hackaday.com/2018/07/01/nintendo-switch-gets-internal-trinket-hardmod/ | Nintendo Switch Gets Internal Trinket Hardmod | Tom Nardi | [
"Games",
"hardware",
"Nintendo Hacks",
"Slider"
] | [
"adafruit",
"Nintendo Switch",
"recovery mode",
"trinket m0"
] | If you haven’t been following the Nintendo Switch hacking scene, the short version of the story is that a vulnerability was discovered that allows executing code on all versions of the Switch hardware and operating system. In fact, it’s believed that the only way to stop this vulnerability from being exploited is for N... | 51 | 13 | [
{
"comment_id": "4680575",
"author": "Ostracus",
"timestamp": "2018-07-01T18:36:58",
"content": "” Presumably there are a lot of sad faces in the House of Mario right about now, but it’s good news for us peons who dream of actually controlling the devices we purchase.”A short term “I got mine”. Long... | 1,760,374,310.69453 | ||
https://hackaday.com/2018/07/01/heartwatch-monitors-your-ticker/ | Heartwatch Monitors Your Ticker | Lewin Day | [
"classic hacks"
] | [
"atmega",
"heart rate monitor",
"smartwatch"
] | The heart! A pump of the most fantastical kind, it is capable of operating for decades without rest. It’s responsible for supplying vital oxygen to the body’s subsystems, and can be readily monitored with modern technology.
[Dave Vernooy] wanted to build a watch that could take heartrate and blood oxygen measurements –... | 3 | 3 | [
{
"comment_id": "4679288",
"author": "Ostracus",
"timestamp": "2018-07-01T14:27:44",
"content": "“HEARTWATCH MONITORS YOUR TICKER”Powered by Tickermaster.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4679347",
"author": "Mike Massen",
"timestamp": "2... | 1,760,374,310.606551 | ||
https://hackaday.com/2018/07/01/pcb-holder-quick-fix-turns-out-to-be-big-improvement/ | PCB Holder Quick-fix Turns Out To Be Big Improvement | Donald Papp | [
"3d Printer hacks",
"Repair Hacks"
] | [
"3d printed",
"holder",
"magnetic",
"pcb",
"pick and place"
] | When something needs improving, most hacks often make a small tweak to address a problem without changing how things really work. Other hacks go a level deeper, and that’s what [Felix Rusu] did with his
3D printed magnetic holders
. Originally designed to address a shortcoming with the PCB holders in his LE40V desktop ... | 15 | 4 | [
{
"comment_id": "4679680",
"author": "Charles",
"timestamp": "2018-07-01T16:00:23",
"content": "V scoring is not for snapping pcbs apart and doing so can damage components and or solder joints.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4679957",
... | 1,760,374,310.747628 |
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