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https://hackaday.com/2019/08/05/kickstarter-hack-chat/
Kickstarter Hack Chat
Dan Maloney
[ "Hackaday Columns" ]
[ "community", "crowdfunding", "design", "kickstarter", "marketing", "open source", "project to product", "The Hack Chat" ]
https://hackaday.com/wp-…hat-01.jpg?w=800
Join us on Wednesday, August 7th at noon Pacific for the Kickstarter Hack Chat with Beau Ambur and Clarissa Redwine ! For many of us, magic things happen on our benches. We mix a little of this, one of those, and a couple of the other things, and suddenly the world has the Next Big Thing. Or does it? Will it ever see t...
0
0
[]
1,760,373,815.302188
https://hackaday.com/2019/08/05/supercap-drink-coasters-are-the-life-of-the-party/
Supercap Drink Coasters Are The Life Of The Party
Tom Nardi
[ "LED Hacks", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "encapsulation", "led", "supercapacitor", "wireless charging" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
You’ve probably seen multicolored flashing LEDs embedded into clear plastic cups or coasters before, they’re quite commonly used in fancy restaurants that also feature animatronic characters and a gift shop on the way out. But have you ever wondered about the logistics of maintaining such devices? When the anthropomorp...
28
10
[ { "comment_id": "6169933", "author": "Felix", "timestamp": "2019-08-05T18:55:35", "content": "How long will it be able to operate inbetween charges?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6170005", "author": "Jason McLeod (@Jason_McLeod)", ...
1,760,373,815.469369
https://hackaday.com/2019/08/05/spacex-clips-dragons-wings-after-investigation/
SpaceX Clips Dragon’s Wings After Investigation
Tom Nardi
[ "Current Events", "Hackaday Columns", "Slider", "Space" ]
[ "Crew Dragon", "dragon", "Dream Chaser", "nasa", "recovery", "SpaceX", "splashdown" ]
https://hackaday.com/wp-…g_feat.jpg?w=800
When the SpaceX Dragon spacecraft reached orbit for the first time in 2010, it was a historic achievement. But to qualify for NASA’s Commercial Orbital Transportation Services (COTS) program, the capsule also needed to demonstrate that it could return safely to Earth. Its predecessor, the Space Shuttle, had wings that ...
120
24
[ { "comment_id": "6169901", "author": "Eugene", "timestamp": "2019-08-05T17:22:32", "content": "Shouldn’t NASA reconsider their choice then, parhaps the Dream Chaser could fulfill the original promise?Or perhaps Space X knew all along but included it anyway in order to win? There are lots of compani...
1,760,373,815.958874
https://hackaday.com/2019/08/05/orphaned-amazon-dash-buttons-ripe-for-hacking/
Orphaned Amazon Dash Buttons Ripe For Hacking
Roger Cheng
[ "Wireless Hacks" ]
[ "Amazon Dash", "amazon dash button", "amazon dash button hack", "amazon dash hack" ]
https://hackaday.com/wp-…e-16x9.jpg?w=800
Amazon Dash buttons were the ultimate single purpose networked device; it really can’t get much simpler than a push button that sends a single message to a fixed endpoint. It was an experiment in ultimate convenience, an entry point to a connected home, and a target for critics of consumerism excess and technological o...
35
21
[ { "comment_id": "6169875", "author": "Marko", "timestamp": "2019-08-05T16:08:41", "content": "Dash buttons are great. The problem with hacking them is that when the Amazon app will no longer offer the initial Dash setup, we won’t be able to get them to connect to WiFi. Then only the flashing of cust...
1,760,373,815.546476
https://hackaday.com/2019/08/06/color-your-world-with-this-cnc-painting-robot/
Color Your World With This CNC Painting Robot
Dan Maloney
[ "cnc hacks", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "art", "canvas", "cnc", "paint", "painting" ]
https://hackaday.com/wp-…nt-bot.jpg?w=800
Let’s say you’ve watched a few episodes of “The Joy of Painting” and you want your inner [Bob Ross] to break free. You get the requisite supplies for oil painting – don’t forget the alizarin crimson! – and start to apply paint to canvas, only to find your happy little trees are not so happy, and this whole painting thi...
16
7
[ { "comment_id": "6170323", "author": "Arthur Wolf", "timestamp": "2019-08-06T18:51:13", "content": "Hey maker of this. I really love this. If you want a free Smoothieboard tell me I’ll send you one.Cheers !", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "617032...
1,760,373,815.600382
https://hackaday.com/2019/08/06/espionage-on-display-as-gchq-hosts-a-temporary-exhibit/
Espionage On Display As GCHQ Hosts A Temporary Exhibit
Jenny List
[ "Hackaday Columns", "History", "Reviews" ]
[ "colossus", "cryptography", "enigma", "GCHQ", "Science Museum" ]
https://hackaday.com/wp-…atured.jpg?w=800
At the top of the British electronic intelligence agency is the Government Communications Headquarters (GCHQ), a very public entity whose circular building can easily be found by any inquisitive soul prepared to drive just off the A40 in Cheltenham which is about two hours west of London. But due to the nature of its w...
23
9
[ { "comment_id": "6170304", "author": "Arduino Enigma", "timestamp": "2019-08-06T17:25:49", "content": "The Enigma Machine and Fialka together! Love it!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6170318", "author": "Buxton The Red (@BuxtonTheRed)", ...
1,760,373,816.102539
https://hackaday.com/2019/08/06/disappearing-writing-with-a-uv-laser/
Disappearing Writing With UV Laser Reveals Whitening Agents In Myriad Products
Lewin Day
[ "Science" ]
[]
https://hackaday.com/wp-…ase002.jpg?w=800
Many a budding maker has experimented with invisible inks, with a wide variety of solutions having a viable set of properties for this purpose. However, [Ben Krasnow] stumbled upon a different method entirely when tinkering with a UV laser. The effect is subtle, but remains visible for several minutes. The laser in que...
11
5
[ { "comment_id": "6170288", "author": "smellsofbikes", "timestamp": "2019-08-06T16:54:57", "content": "When I was working with kilowatt-level ultraviolet lasers (in my case, ArF and frequency-doubled Nd-YAG) it was my observation that almost everything organic fluoresces if you hit it hard enough. T...
1,760,373,815.650179
https://hackaday.com/2019/08/06/why-spacecraft-of-the-future-will-be-extruded/
Why Spacecraft Of The Future Will Be Extruded
Tom Nardi
[ "3d Printer hacks", "Featured", "Original Art", "Slider", "Space" ]
[ "Additive Manufacturing", "apollo", "FDM", "Made in Space", "mars", "moon", "Space Shuttle", "space station", "Wernher von Braun" ]
https://hackaday.com/wp-…truded.jpg?w=800
It’s been fifty years since man first landed on the Moon, but despite all the incredible advancements in technology since Armstrong made that iconic first small step, we’ve yet to reach any farther into deep space than we did during the Apollo program. The giant leap that many assumed would naturally follow the Moon la...
59
15
[ { "comment_id": "6170233", "author": "jimd", "timestamp": "2019-08-06T14:19:18", "content": "Why is Blue Origin even mentioned in the same breath as SpaceX? They have spent billions on a toy rocket, a mocked up lander, a rocket engine – but they are still earth bound. SpaceX has done the impossible ...
1,760,373,815.752478
https://hackaday.com/2019/08/06/sniffed-transformer-puts-wired-doorbell-online/
Sniffed Transformer Puts Wired Doorbell Online
Tom Nardi
[ "classic hacks", "Microcontrollers" ]
[ "doorbell", "ESP8266", "home automation", "home-assistant", "mqtt", "transformer", "voltage divider" ]
https://hackaday.com/wp-…l_feat.jpg?w=800
There’s certainly no shortage of “smart” gadgets out there that will provide you with a notification, or even a live audiovisual stream, whenever somebody is at your door. But as we’ve seen countless times before, not everyone is thrilled with the terms that most of these products operate under. Getting a notification ...
30
19
[ { "comment_id": "6170195", "author": "Rick", "timestamp": "2019-08-06T11:58:05", "content": "This is weird. I would put a cap on the voltage divider and use a digital IO pin with an interrupt to detect the doorbell. Maybe also add a 3V zener to ground to cap the voltage.", "parent_id": null, ...
1,760,373,816.029357
https://hackaday.com/2019/08/06/hold-3500-volts-up-to-your-eye/
Hold 3500 Volts Up To Your Eye
Bryan Cockfield
[ "classic hacks" ]
[ "high voltage", "infrared", "lens", "night vision", "PVC", "tube" ]
https://hackaday.com/wp-…y-main.png?w=800
Old military equipment can sometimes be found in places like flea markets and eBay for pennies, often because people don’t always know what they have. While [tsbrownie] knew exactly what he was getting when he ordered this mystery device, we’re not sure we could say the same thing if we stumbled upon it ourselves. What...
15
8
[ { "comment_id": "6170152", "author": "McNugget", "timestamp": "2019-08-06T09:50:11", "content": "Thats an old philips tube. Not that great, it’s a generation 1 device. The US used something similar to this in a cascaded configuration where the output of one was waterfalled into another, three times....
1,760,373,815.800885
https://hackaday.com/2019/08/05/clicky-signspinner-works-just-like-a-retractable-pen/
Clicky Signspinner Works Just Like A Retractable Pen
Donald Papp
[ "3d Printer hacks" ]
[ "3d printed", "clicky", "retractable pen", "rotating sign", "sign", "signspinner" ]
https://hackaday.com/wp-…atured.png?w=800
[u407]’s 3D printed Signspinner was created as a clean/dirty indicator for a dishwasher, and at its heart is a mechanism that works a lot like that of a retractable ballpoint pen. Every click of the plunger spins the circular label inside by one-quarter of a rotation. In [u407]’s case it only needs to alternate between...
13
7
[ { "comment_id": "6170139", "author": "Jan", "timestamp": "2019-08-06T08:33:55", "content": "funny little device.But if you need it, then your dishes just aren’t dirty enough… or the washer does a lousy job.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6170...
1,760,373,817.34942
https://hackaday.com/2019/08/05/breakfast-at-def-con-this-sunday/
Breakfast At DEF CON This Sunday
Mike Szczys
[ "cons" ]
[ "breakfast at def con", "DEF CON", "defcon 27", "meetup" ]
https://hackaday.com/wp-…ef-con.jpg?w=800
Nurse your hangover with the Hackaday and Tindie crews as we host the 5th Annual Breakfast at DEF CON . Everyone knows the days at DEF CON are long, and the nights are longer. Whether you’re just rolling out of bed, or walking straight in from the previous night of partying, we want to see you and your hardware show-an...
2
2
[ { "comment_id": "6170033", "author": "steve", "timestamp": "2019-08-05T23:29:33", "content": "I think I’ll stop by, would be nice to finally meet some of you commenters", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6170270", "author": "Jaycop", "times...
1,760,373,816.374329
https://hackaday.com/2019/08/05/a-trillion-trees-how-hard-can-it-be/
A Trillion Trees – How Hard Can It Be?
Lewin Day
[ "Featured", "green hacks", "Interest", "Original Art", "Slider" ]
[ "aerial reforestration", "climate change", "environment", "global warming", "reforestration", "trees" ]
https://hackaday.com/wp-…nTrees.jpg?w=800
Data from 2016 pegs it as the hottest year since recording began way back in 1880. Carbon dioxide levels continue to sit at historical highs, and last year the UN Intergovernmental Panel on Climate Change warned that humanity has just 12 years to limit warming to 1.5 C . Reducing emissions is the gold standard, but it’...
167
50
[ { "comment_id": "6169824", "author": "Rog Fanther", "timestamp": "2019-08-05T14:22:19", "content": "“what it would take to succeed in such an ambitious program.” Start sooner ?Too many areas that once had forests and are now not being used for anything could be replanted. Not with the “oh, we w...
1,760,373,817.243341
https://hackaday.com/2019/08/05/resin-printers-are-now-cheaper-still-kind-of-a-hassle/
Resin Printers Are Now Cheaper, Still Kind Of A Hassle
Al Williams
[ "3d Printer hacks", "Reviews" ]
[ "3d printing", "lcd", "resin", "sla" ]
https://hackaday.com/wp-…8/ring.png?w=800
Your run-of-the-mill desktop 3D printer is based on a technology known as Fused Deposition Modeling (FDM), where the machine squirts out layers of hot plastic that stick to each other. But that’s not the only way to print a Benchy. One of the more exotic alternative techniques uses a photosensitive resin that gets hard...
22
7
[ { "comment_id": "6169792", "author": "walter", "timestamp": "2019-08-05T11:43:58", "content": "I´d love to see some feedback about how long the LCD display lasts, being illuminated with a strong UV source.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "61698...
1,760,373,816.737348
https://hackaday.com/2019/08/05/a-tiny-train-departure-board-just-like-the-real-thing/
A Tiny Train Departure Board, Just Like The Real Thing
Jenny List
[ "Raspberry Pi", "Software Hacks" ]
[ "departure board", "oled", "rail", "raspberry pi", "train" ]
https://hackaday.com/wp-…atured.jpg?w=800
If you travel on the British rail system, you’ll be familiar with the ubiquitous orange dot-matrix departure display boards. At a glance they tell you the expected arrival times of the next few trains, where they are headed, and at the bottom the current time.  [Chris Crocker-White] was inspired by a Tweet to recreate ...
8
7
[ { "comment_id": "6169772", "author": "Marcus", "timestamp": "2019-08-05T08:38:57", "content": "I like the question whether such services should be cloud based. I’d argue that yes, that’s probably one of the key applications of web services: giving you information about the state of affairs in someon...
1,760,373,816.675588
https://hackaday.com/2019/08/04/the-not-quite-usb-c-of-nintendo-switch-accessories/
The Not Quite USB-C Of Nintendo Switch Accessories
Roger Cheng
[ "Nintendo Hacks", "Peripherals Hacks" ]
[ "atmega", "atmega8", "nintendo", "Nintendo Switch", "USB Type-C", "USB-PD" ]
https://hackaday.com/wp-…t-16x9.jpg?w=800
Historically gaming consoles are sold at little-to-no profit in order to entice customers with a low up-front price. The real profits roll in afterwards from sales of games and accessories. Seeking a slice of the latter, aftermarket accessory makers jump in with reverse-engineered compatible products at varying levels ...
10
4
[ { "comment_id": "6169763", "author": "Daid", "timestamp": "2019-08-05T06:22:01", "content": "While USB-C is a minefield at the moment. I remember USB2 being a huge problem at introduction as well. With many USB1.1 devices failing to work on USB2 ports. Same happened with USB3, my ~10 year old laptop...
1,760,373,817.291765
https://hackaday.com/2019/08/04/l-band-satellite-antennas-revealed/
L Band Satellite Antennas Revealed
Al Williams
[ "Radio Hacks", "Wireless Hacks" ]
[ "antenna", "l-band", "satcom", "satellite", "satellite antenna" ]
https://hackaday.com/wp-…08/ant.png?w=800
[SignalsEverywhere] has a lot of satellite antennas and he’s willing to show them off — inside and out — in his latest video that you can see below . Using software-defined radio techniques, you can use these antennas to pull off weather satellite images and other space signals. A lot of these antennas are actually mad...
7
4
[ { "comment_id": "6169770", "author": "chester moore", "timestamp": "2019-08-05T08:23:10", "content": "Old satcom nerd here…~10yrs as a 31S/25S in the army. Making a great satcom antenna shouldn’t be that difficult to do, even one with auto-tracking capabilities. I frequently come across old satellit...
1,760,373,816.942817
https://hackaday.com/2019/08/04/hackaday-links-august-4-2019/
Hackaday Links: August 4, 2019
Dan Maloney
[ "Hackaday Columns", "Hackaday links", "News" ]
[ "ar", "cons", "FreeOffice", "hope", "linux", "LoRa", "Manjaro", "PROM" ]
https://hackaday.com/wp-…banner.jpg?w=800
Is the hacking community facing a HOPEless future? It may well be, if this report from 2600 Magazine is any indication. The biennial “Hackers On Planet Earth” conference is in serious financial jeopardy after the venue that’s hosted it for years, the Hotel Pennsylvania in Manhattan, announced a three-fold increase in p...
22
9
[ { "comment_id": "6169725", "author": "Ostracus", "timestamp": "2019-08-04T23:17:46", "content": "“The tragedy serves as a reminder to everyone who works on towers to take nothing for granted before starting to climb.”What’s the maintenance schedule on a tower?", "parent_id": null, "depth": 1...
1,760,373,817.047404
https://hackaday.com/2019/08/03/raspberry-pi-helps-vintage-psion-find-its-voice/
Raspberry Pi Helps Vintage Psion Find Its Voice
Jenny List
[ "handhelds hacks", "Retrocomputing" ]
[ "Psion", "Psion Organiser", "raspberry pi", "rs232" ]
https://hackaday.com/wp-…atured.jpg?w=800
Ask a hacker to imagine computing in the 1980s, and they might think of the classic 8-bit all-in-one machines from the likes of Commodore and Atari, or perhaps the early PCs and Macs. No matter the flavor, they’ll likely have one thing in common: a lack of mobility thanks to being anchored down by a bulky CRT screen in...
9
7
[ { "comment_id": "6169603", "author": "Digitalzombie", "timestamp": "2019-08-04T00:25:23", "content": "He “declined” to show the Hackaday Retro Edition?Now thats just rude :(", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6169615", "author": "don.vukovic", ...
1,760,373,816.988494
https://hackaday.com/2019/08/03/high-performance-stereo-computer-vision-for-the-raspberry-pi/
High Performance Stereo Computer Vision For The Raspberry Pi
Pat Whetman
[ "digital cameras hacks", "Raspberry Pi", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "myriad x", "openvino", "Stereo Vision", "steroscopic heat map" ]
https://hackaday.com/wp-…nis_10.jpg?w=800
Up until now, running any kind of computer vision system on the Raspberry Pi has been rather underwhelming, even with the addition of products such as the Movidius Neural Compute Stick. Looking to improve on the performance situation while still enjoying the benefits of the Raspberry Pi community, [Brandon] and his tea...
30
7
[ { "comment_id": "6169577", "author": "jrfl", "timestamp": "2019-08-03T20:30:45", "content": "Somewhat of an odd choice for a startup to pick hackaday.io as their platform. Can you guys elaborate on your decision to do that over something more traditional?", "parent_id": null, "depth": 1, ...
1,760,373,816.897428
https://hackaday.com/2019/08/03/make-your-own-flexible-panel-lights/
Make Your Own Flexible Panel Lights
Lewin Day
[ "LED Hacks" ]
[ "flex panel", "led", "LED panel", "led strips" ]
https://hackaday.com/wp-…nel800.jpg?w=800
In this day and age, production values are everything. Even bottom-rung content creators are packing 4K smartphones and DSLRs these days, so if you want to compete, you’re gonna need the hardware. Lighting is the key to creating good video, so you might find a set of flexible panel lights handy. Thankfully, [DIY Perks]...
7
7
[ { "comment_id": "6169566", "author": "CupOfJoe", "timestamp": "2019-08-03T18:50:54", "content": "I have to say, this is pretty neat. I really like the stuff this guy produces.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6169580", "author": "Paul", ...
1,760,373,817.392587
https://hackaday.com/2019/08/03/maybe-the-oldest-computer-probably-the-oddest/
Maybe The Oldest Computer, Probably The Oddest
Al Williams
[ "Retrocomputing" ]
[ "facom", "history", "retrocomputing" ]
https://hackaday.com/wp-…/facom.png?w=800
[Tadao Hamada] works for Fujitsu Tokki, a subsidiary of the more famous Fujitsu. In 1956, Fujitsu decided to compete with IBM and built a relay-based computer, the FACOM128. The computer takes up 70 square meters and weighs about 3 tons. By 1959, they’d learned enough to make a FACOM128B model that was improved. [Hamad...
39
15
[ { "comment_id": "6169503", "author": "YGDES", "timestamp": "2019-08-03T14:06:19", "content": "compliments or complements ? :-)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6169514", "author": "Neil Cherry", "timestamp": "2019-08-03T14:40:01...
1,760,373,817.565178
https://hackaday.com/2019/08/03/an-all-iron-battery-isnt-light-but-its-cheap/
An All-Iron Battery Isn’t Light, But It’s Cheap
Jenny List
[ "chemistry hacks", "Science" ]
[ "battery", "cell", "electrochemistry", "iron" ]
https://hackaday.com/wp-…atured.jpg?w=800
Rechargeable batteries are a technology that has been with us for well over a century, and which is undergoing a huge quantity of research into improved energy density for both mobile and alternative energy projects. But the commonly used chemistries all come with their own hazards, be they chemical contamination, fire...
44
11
[ { "comment_id": "6169478", "author": "Erik Christiansen", "timestamp": "2019-08-03T11:17:00", "content": "Might want to correct the cost figure given: “$0.1 per watt-hour ” is $100 per kWh.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6169501", "au...
1,760,373,817.784544
https://hackaday.com/2019/08/03/antenna-tuning-for-ghz-frequencies/
Antenna Tuning For GHz Frequencies
Jenny List
[ "News", "Radio Hacks" ]
[ "antenna", "ghz", "matching", "RF", "vna" ]
https://hackaday.com/wp-…atured.jpg?w=800
Antenna tuning at HF frequencies is something that radio amateurs learn as part of their licence exam, and then hone over their time operating. A few basic instruments and an LC network antenna tuner in a box are all that is required, and everything from a bit of wet string to ten thousand dollars worth of commercial a...
9
3
[ { "comment_id": "6169459", "author": "0xfred", "timestamp": "2019-08-03T08:32:20", "content": "That looks like a great article. I’ve skimmed it but will read it in more detail when I have the time.I’ve managed to successfully tune a 15.56MHz NFC antenna without a VNA although if I’d seen that articl...
1,760,373,817.827942
https://hackaday.com/2019/08/02/simulate-climate-with-an-arduino/
Simulate Climate With An Arduino
Bryan Cockfield
[ "green hacks" ]
[ "arduino", "cheap", "controller", "greenhouse", "model", "plants", "sensor", "soil" ]
https://hackaday.com/wp-…e-main.jpg?w=800
Greenhouses create an artificial climate specifically suited to the plants you want to grow. It’s done by monitoring conditions like temperature and humidity, and making changes using things like vents, fans, irrigation, and lighting fixtures to boost temperature. But how do you know when it’s time to up the humidity, ...
16
12
[ { "comment_id": "6169452", "author": "Ostracus", "timestamp": "2019-08-03T06:47:53", "content": "“The first (and possibly only) sensor we might want to add to this project is a soil moisture sensor, since yearly estimates won’t tell us whether it has just rained or not.”Water meter might tell you. ;...
1,760,373,817.645102
https://hackaday.com/2019/08/04/bringing-pro-level-data-recording-to-rc-racing/
Bringing Pro-Level Data Recording To RC Racing
Tom Nardi
[ "car hacks", "Microcontrollers", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "csv", "datalogger", "flight data recorder", "sensors" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
We’re all familiar with the “Black Box” used on commercial aircraft, the flight data recorder which captures the minutia of each and every flight on the off-chance that it’s needed in the event of an accident. But even in less dire circumstances, the complete record of the aircraft’s performance versus what was command...
7
4
[ { "comment_id": "6169743", "author": "FDR Expert", "timestamp": "2019-08-05T01:32:19", "content": "In b4 “it’s not actually black”", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6169749", "author": "CityZen", "timestamp": "2019-08-05T02:44:39", "co...
1,760,373,817.973293
https://hackaday.com/2019/08/04/doing-what-id-couldnt-returning-music-to-jaguar-doom/
Doing What Id Couldn’t: Returning Music To Jaguar Doom
Erin Pinheiro
[ "Games" ]
[ "atari", "Atari Jaguar", "doom", "video games" ]
https://hackaday.com/wp-…atured.jpg?w=800
While the rest of the world has by and large forgotten the Atari Jaguar, the generously marketed console still has a fan base, and even some dedicated hackers prodding away at it. [Cyrano Jones] is one of them, and he managed something many considered unthinkable: restoring in-game music to the Jaguar port of Doom . Th...
16
6
[ { "comment_id": "6169687", "author": "Freddie Chopin", "timestamp": "2019-08-04T17:18:09", "content": "Doom engine is truly amazing. What’s even more exciting is that it was fuhrer developed into Half Life and Half Life 2 (Source) engine. So many years of stable and proven API. It literally doesn’t ...
1,760,373,817.697164
https://hackaday.com/2019/08/04/apollo-guidance-computer-saved-from-the-scrap-yard/
Apollo Guidance Computer Saved From The Scrap Yard
Bryan Cockfield
[ "Retrocomputing" ]
[ "agc", "apollo", "Apollo Guidance Computer", "computer", "moon", "restoration", "simulation", "space" ]
https://hackaday.com/wp-…n-main.jpg?w=800
NASA needed a small and lightweight computer to send humans on their journey to the Moon and back, but computers of the day were made out of discrete components that were heavy, large, complicated, and unreliable. None of which are good qualities for spaceflight. The agency’s decision to ultimately trust the success of...
23
14
[ { "comment_id": "6169672", "author": "Arduino Enigma", "timestamp": "2019-08-04T15:40:45", "content": "Their blog also makes interesting reading.https://rescue1130.blogspot.com/", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6169680", "author": "jnwatts", ...
1,760,373,818.171888
https://hackaday.com/2019/08/04/dice-reader-brings-tech-to-your-craps-game-or-ya-know-dd/
Dice Reader Brings Tech To Your Craps Game… Or, Ya Know, D&D
Mike Szczys
[ "Arduino Hacks", "classic hacks" ]
[ "dice", "die", "die reader", "infrared", "ir", "pips", "reflectance sensor" ]
https://hackaday.com/wp-…atured.jpg?w=800
There are truisms about dice that you’ve probably already heard: if you have just one of them it’s called a “die”, opposite faces of each die always add up to seven, and those dots that you’re adding together are known as “pips”. But what about the infrared properties of those pips? It turns out they reflect less IR th...
5
3
[ { "comment_id": "6169668", "author": "Lily", "timestamp": "2019-08-04T15:04:49", "content": "TIL the darker parts of the die reflect less light than the lighter parts.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6169678", "author": "CityZen", ...
1,760,373,818.020393
https://hackaday.com/2019/08/04/reverse-engineering-an-ancient-sbc-with-an-apple/
Reverse Engineering An Ancient SBC With An Apple ][
Jenny List
[ "Microcontrollers", "Retrocomputing" ]
[ "6809", "apple II", "motorola", "single board computer" ]
https://hackaday.com/wp-…atured.jpg?w=800
We spend a lot of time in our community discussing the many home computers from the 8-bit era, while almost completely ignoring their industrial equivalents. While today a designer of a machine is more likely than not to reach for a microcontroller, four decades ago they would have used a single-board computer which mi...
5
4
[ { "comment_id": "6169651", "author": "Freddie Chopin", "timestamp": "2019-08-04T12:08:43", "content": "He could add stepper motor and 3D printed gears to that PLC – it would make a very geeky automatic toilet seat closing system. The only problem would be pieces of fecal matter stuck between IC pins...
1,760,373,818.110566
https://hackaday.com/2019/08/03/3d-printed-fan-filter-takes-cues-from-costume-scene/
3D Printed Fan Filter Takes Cues From Costume Scene
Donald Papp
[ "3d Printer hacks", "Parts" ]
[ "3d printed", "fabric", "fan cover", "fan filter", "fan grill", "mesh" ]
https://hackaday.com/wp-…atured.png?w=635
This custom fan filter created by [Kolomanschell] is a clever application of a technique used to create wearable 3D printed “fabrics”, which consist of printed objects embedded into a fine mesh like a nylon weave. The procedure itself is unchanged, but in this case it’s done not to embed 3D printed objects into a mesh,...
3
2
[ { "comment_id": "6169673", "author": "Spencer Hamblin", "timestamp": "2019-08-04T15:47:45", "content": "Seems like a pretty slick idea. I’ll have to try this on my new build. Sure beats paying for magnetic filters.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id":...
1,760,373,818.066554
https://hackaday.com/2019/08/03/add-a-microscope-to-your-3d-printer/
Add A Microscope To Your 3D Printer
Jenny List
[ "3d Printer hacks" ]
[ "3d printer", "Creality", "microscope" ]
https://hackaday.com/wp-…atured.jpg?w=800
There are many ways to keep an eye on your 3D printer as it churns out the layers of your print. Most of us take a peek every now and then to ensure we’re not making plastic vermicelli, and some of us will go further with a Raspberry Pi camera or similar. [Uri Shaked] has taken this a step further, by adding a USB micr...
23
11
[ { "comment_id": "6169619", "author": "Murray Foster", "timestamp": "2019-08-04T03:23:15", "content": "Now just add controls for stage movement, focus and zoom and you have a whole new application for an already low cost hardware platform. Input hardware can be a low cost game controller. If restrict...
1,760,373,818.283514
https://hackaday.com/2019/08/02/memristor-computing-on-a-chip/
Memristor Computing On A Chip
Al Williams
[ "Science" ]
[ "Computing", "memristor", "neural network" ]
https://hackaday.com/wp-…emchip.png?w=800
Memristors have been — so far — mostly a solution looking for a problem. However, researchers at the University of Michigan are claiming the first memristor-based programmable computer that has the potential to make AI applications more efficient and faster. Because memristors have a memory, they can accumulate data in...
8
3
[ { "comment_id": "6169440", "author": "Ostracus", "timestamp": "2019-08-03T05:28:20", "content": "” If you can do processing in memory instead of the CPU, you can achieve great performance, in theory, since you don’t have to transfer memory to a processing unit, do the computation, and then transfer ...
1,760,373,818.225398
https://hackaday.com/2019/08/02/how-to-build-a-cubesat/
How To Build A CubeSat
Al Williams
[ "Space" ]
[ "cubesat", "satellite", "space" ]
https://hackaday.com/wp-…7/cube.png?w=800
There was a time when building your own satellite and having it placed into orbit would have been a wild dream. Now it is extremely possible, but still not trivial. A CubeSat is a very small satellite that can hitch a ride with a bigger satellite or get tossed out of a friendly space station. This week’s issue of The O...
3
3
[ { "comment_id": "6169390", "author": "Max", "timestamp": "2019-08-02T23:27:00", "content": "Well curated article! It’s hard to convey all the nuances associated with building a system like a cubesat (1st time builders still hover at ~25% success rate). Check out my SmallSat 2019 paper describing my ...
1,760,373,818.325036
https://hackaday.com/2019/08/02/fail-of-the-week-toilets-and-high-voltage-do-not-mix/
Fail Of The Week: Toilets And High Voltage Do Not Mix
Dan Maloney
[ "home hacks" ]
[ "bathroom", "fail of the week", "fire", "flyback", "gimbal", "ions", "pain", "plasma", "slip rings", "toilet" ]
https://hackaday.com/wp-…f-doom.jpg?w=800
Imagine if you will that you are enthroned upon the porcelain, minding your own business while doing your business. You’re catching up on Hackaday on your phone – c’mon, admit it – when a whir and a buzz comes from behind you. You sit up in alarm, whereupon your lower back suddenly feels as if someone is scrubbing it w...
23
14
[ { "comment_id": "6169358", "author": "qwert", "timestamp": "2019-08-02T20:14:20", "content": "This is by far my favorite kind of project.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6169421", "author": "M C", "timestamp": "2019-08-03T02:37...
1,760,373,818.446436
https://hackaday.com/2019/08/02/an-exoskeleton-arm-for-a-hacker-on-a-budget/
An Exoskeleton Arm For A Hacker On A Budget
Jenny List
[ "Robots Hacks", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "exoskeleton", "mech", "wiper motor" ]
https://hackaday.com/wp-…atured.jpg?w=800
Whether it is motivated by a dream of superhuman strength courtesy of a mech suit or of mobility for those with impaired muscle function, the powered exoskeleton exerts a curious fascination among engineers. The idea of a machine-augmented human body achieving great things is thwarted though by the difficulty of the ta...
4
3
[ { "comment_id": "6169397", "author": "Hirudinea", "timestamp": "2019-08-03T00:10:05", "content": "Sorry, but it has to be said…https://www.youtube.com/watch?v=ng-l4gdoSQE", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6169486", "author": "Saabman", ...
1,760,373,818.384689
https://hackaday.com/2019/08/02/retrotechtacular-the-oscar-7-satellite-died-and-was-reborn-20-years-later/
Retrotechtacular: The OSCAR 7 Satellite Died And Was Reborn 20 Years Later
Jenny List
[ "Interest", "Radio Hacks", "Retrotechtacular", "Space" ]
[ "amateur satellite", "AMSAT", "OSCAR 7", "OSCR", "Poland", "satellite", "solidarity" ]
https://hackaday.com/wp-…atured.jpg?w=800
If I were to ask you what is the oldest man-made orbiting satellite still in use, I’d expect to hear a variety of answers. Space geeks might mention the passive radar calibration spheres, or possibly one of the early weather satellites. But what about the oldest communication satellite still in use? The answer is a com...
35
16
[ { "comment_id": "6169326", "author": "Ostracus", "timestamp": "2019-08-02T17:06:50", "content": "“Built to Last Just 3 Years”Before “planned obsolescence” was a thing.Also of note is just how small it is.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "616934...
1,760,373,818.570947
https://hackaday.com/2019/08/02/hackaday-podcast-029-your-face-in-silver-sand-tires-of-the-future-esp32-all-the-cnc-things-and-sub-in-a-jug/
Hackaday Podcast 029: Your Face In Silver Sand, Tires Of The Future, ESP32 All The CNC Things, And Sub In A Jug
Mike Szczys
[ "Podcasts" ]
[ "amazon echo dot", "Bart Dring", "CNC machines", "ESP32", "etch a sketch", "Hackaday Podcast", "teardown" ]
https://hackaday.com/wp-…ophone.jpg?w=800
Hackaday Editors Elliot Williams and Mike Szczys geek out over the latest hacks. This week we saw a couple of clever CNC builds that leverage a great ESP32 port of GRBL. The lemonade-pitcher-based submarine project is everything you thought couldn’t work in an underwater ROV. Amazon’s newest Dot has its warranty voided...
6
4
[ { "comment_id": "6169377", "author": "Derek Parks", "timestamp": "2019-08-02T22:07:01", "content": "Good show as always, guys. If you decide you have to have a usb thumb drive, I’d recommend getting an sd card reader that has usb c on one end usb a on the other. My laptop (and phone) are usb c only ...
1,760,373,818.666619
https://hackaday.com/2019/08/02/computer-optimized-3d-printed-bookshelves/
Computer Optimized 3D Printed Bookshelves
Al Williams
[ "3d Printer hacks" ]
[ "Fusion 360", "shelf", "shelves", "topology optimization" ]
https://hackaday.com/wp-…/shelf.png?w=800
[Thomas] does a lot of interesting experiments with 3D printing and lately, he’s been using the free version of Fusion 360 to do topology optimization . He started with a blocky bookshelf bracket and let the software analyze the loads so it can remove pieces that don’t contribute a lot to the bracket’s strength. This u...
27
8
[ { "comment_id": "6169303", "author": "RB", "timestamp": "2019-08-02T15:47:02", "content": "Bookshelf *brackets*.After all that effort, seeing them mounted into drywall anchors was dumbfounding. Then attaching them to the painted wall with polyurethane adhesive was doubly so.Then again, I’ve had som...
1,760,373,818.794841
https://hackaday.com/2019/08/01/cpap-monitor-alerts-wearer-to-malfunctions/
CPAP Monitor Alerts Wearer To Malfunctions
Lewin Day
[ "Medical Hacks", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "CPAP", "cpap machine" ]
https://hackaday.com/wp-…tor800.jpg?w=800
Continuous Positive Airway Pressure machines are a common treatment tool for sleep apnea and other respiratory issues. A common problem with their use is that the mask becomes dislodged during sleep, and thus fails to provide airway pressure to the patient. [Bin Sun] decided to take a stab at solving this problem . The...
29
12
[ { "comment_id": "6169069", "author": "matts", "timestamp": "2019-08-01T18:41:03", "content": "a lot (if not all) of current CPAP devices have a differential pressure sensor to detect breathing, not sure about alerting though", "parent_id": null, "depth": 1, "replies": [] }, { "co...
1,760,373,818.734509
https://hackaday.com/2019/08/01/abraham-walds-problem-solving-lesson-is-to-seek-whats-not-there/
Abraham Wald’s Problem Solving Lesson Is To Seek What’s Not There
Al Williams
[ "Biography", "Hackaday Columns", "Interest", "Slider" ]
[ "statistics", "wald", "world war 2", "world war II" ]
https://hackaday.com/wp-…/wald1.png?w=800
You may not know the name Abraham Wald, but he has a very valuable lesson you can apply to problem solving, engineering, and many other parts of life. Wald worked for the Statistical Research Group (SRG) during World War II. This was part of a top secret organization in the United States that applied elite mathematical...
26
13
[ { "comment_id": "6169055", "author": "AMA", "timestamp": "2019-08-01T17:20:48", "content": "https://en.wikipedia.org/wiki/Survivorship_biasI’ll just leave this here.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6169135", "author": "Graham", ...
1,760,373,818.905192
https://hackaday.com/2019/08/01/supercon-cfp-extended-by-two-weeks/
Supercon CFP Extended By Two Weeks
Mike Szczys
[ "cons", "Hackaday Columns" ]
[ "2019 Hackaday Superconference", "Hackaday SuperConference", "Supercon" ]
https://hackaday.com/wp-…m-only.jpg?w=800
Need a bit more time to submit your talk proposal for the 2019 Hackaday Superconference ? Okay, but we can only do this once. You now have until August 16th to submit your proposal. Supercon is the ultimate hardware conference. Take all the best conversations you’ve had about electronics, firmware development, industri...
6
4
[ { "comment_id": "6169090", "author": "Maya Posch", "timestamp": "2019-08-01T19:41:01", "content": "I’d totally drop by to hold a talk, but there’s kind of a whole ocean and continent between me and the conference. Shame :)", "parent_id": null, "depth": 1, "replies": [ { "co...
1,760,373,818.839822
https://hackaday.com/2019/08/01/a-look-at-the-basics-of-building-an-arduino-watch/
A Look At The Basics Of Building An Arduino Watch
Lewin Day
[ "Arduino Hacks" ]
[ "arduino", "smartwatch", "watch" ]
https://hackaday.com/wp-…tch600.jpg?w=640
Miniaturization has made smart watches possible, even for the DIY maker to tinker with. For those just getting to grips with basic digital electronics, it can be daunting, however. For those just starting out, [陳亮] put together a handy guide to building the core of an Arduino-based watch. The writeup starts at the begi...
8
3
[ { "comment_id": "6169037", "author": "Chris", "timestamp": "2019-08-01T15:49:41", "content": "Pretty cool, love the step by step guide showing selection of components through the build. Unless it’s needed for the program memory space, the Tiny841 or even Tiny85 (if you only need a few IOs) are much...
1,760,373,818.946362
https://hackaday.com/2019/08/01/automate-the-freight-when-the-freight-is-people/
Automate The Freight: When The Freight Is People
Dan Maloney
[ "car hacks", "Featured", "Interest", "Original Art", "Slider", "Transportation Hacks" ]
[ "Automate the Freight", "autonomous", "bus", "mass transit", "motorcoach", "self-driving", "sleeper" ]
https://hackaday.com/wp-…reight.jpg?w=800
Before I got a license and a car, getting to and from high school was an ordeal. The hour-long bus ride was awful, as one would expect when sixty adolescents are crammed together with minimal supervision. Avoiding the realities going on around me was a constant chore, aided by frequent mental excursions. One such wande...
35
12
[ { "comment_id": "6169015", "author": "tz", "timestamp": "2019-08-01T14:31:06", "content": "Anyone else remember there is this thing called Amtrak? Which loses money.Even for regular freight, trains are far more efficient, never stop except at the stations, and can have large spaces.There is also th...
1,760,373,819.105779
https://hackaday.com/2019/08/01/driving-p5-panels-with-a-raspberry-pi/
Driving P5 Panels With A Raspberry Pi
Lewin Day
[ "LED Hacks" ]
[ "led", "P5", "p5 led", "p5 panel" ]
https://hackaday.com/wp-…el800b.jpg?w=800
Building displays out of LEDs can be fun, but quickly becomes tedious as the pixel count increases. At this point, it’s worthwhile investing in off-the-shelf panels that have everything pre-soldered and ready to go. [Tom Hammond] wanted to run a P5 panel, and put a Raspberry Pi to work to get it going. P5 panels are so...
14
5
[ { "comment_id": "6168991", "author": "Alphatek", "timestamp": "2019-08-01T12:58:52", "content": "Buy stuff, plug it together. Not really a hack now, is it?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6168999", "author": "naikrovek", "times...
1,760,373,819.161274
https://hackaday.com/2019/08/01/reon-pocket-keeps-you-cool-with-a-peltier-element/
Reon Pocket Keeps You Cool With A Peltier Element
Maya Posch
[ "Misc Hacks" ]
[ "airconditioning", "peltier", "reon pocket", "sony" ]
https://hackaday.com/wp-…eltier.jpg?w=800
With another summer of heatwaves leaving its mark on our planet, finding a way to stay cool during the day isn’t an easy task. From the morning and afternoon commute in public transport, to busy crowds outside during lunch hour, there are many times when you cannot just find a place inside an airconditioned room to dea...
53
21
[ { "comment_id": "6168938", "author": "sgio", "timestamp": "2019-08-01T08:04:10", "content": "In other words: how to get a flu in 5 minutes. You can’t get cold when it’s hot outside because that leads to sickness.", "parent_id": null, "depth": 1, "replies": [ { "comment_id":...
1,760,373,819.252334
https://hackaday.com/2019/08/02/this-week-in-security-vxworks-expensive-email-fraud-and-whats-in-your-wallet/
This Week In Security: VxWorks, Expensive Email Fraud, And What’s In Your Wallet?
Jonathan Bennett
[ "computer hacks", "Hackaday Columns", "Security Hacks" ]
[ "can-bus", "satoshi nakamoto", "This Week in Security", "vxworks" ]
https://hackaday.com/wp-…rkarts.jpg?w=800
This has been an interesting week. First off, security researchers at Armis discovered a set of serious vulnerabilities in the vxWorks Real Time Operating System (RTOS). Released under a name that sounds like the title of a western or caper movie, Urgent/11 . Not familiar with vxWorks? It’s a toss-up as to whether vxWo...
11
7
[ { "comment_id": "6169299", "author": "Ostracus", "timestamp": "2019-08-02T15:26:20", "content": "Maybe DMARC would help?https://www.zdnet.com/article/dmarcs-abysmal-adoption-explains-why-email-spoofing-is-still-a-thing/", "parent_id": null, "depth": 1, "replies": [] }, { "comment...
1,760,373,819.305884
https://hackaday.com/2019/08/02/ask-hackaday-how-would-you-build-this-flight-tracker-for-kids/
Ask Hackaday: How Would You Build This Flight Tracker For Kids?
Dan Maloney
[ "Ask Hackaday" ]
[ "api", "Ask Hackaday", "DLP2000EVM", "flight tracker", "projector", "Raspberry Pi Zero W" ]
https://hackaday.com/wp-…enshot.png?w=800
You’ve got to hand it to marketers – they really know how to make you want something. All it takes is a little parental guilt, a bit of technical magic, and bam, you’re locked into a product you never knew you needed. This prototype flight tracking nightlight for kids is a great example. Currently under development by ...
19
7
[ { "comment_id": "6169244", "author": "djsmiley2k", "timestamp": "2019-08-02T12:09:24", "content": "One problem, how long the flight takes to arrive vs how long it’ll take you to get from the airport home – Cue hundreds of kids seeing their parents have ‘landed’ and the panicing for the intervening h...
1,760,373,819.366813
https://hackaday.com/2019/08/02/fake-graphics-cards-and-how-to-fix-them/
Fake Graphics Cards And How To Fix Them
Lewin Day
[ "computer hacks" ]
[ "fake gpu", "fake parts", "gpu", "nvflash", "NVIDIA" ]
https://hackaday.com/wp-…gpu800.jpg?w=800
When shopping online, there’s plenty of great deals out there on modern graphics hardware. Of course, if you’re like [Dawid] and bought a GTX1050 Ti for $48 from Wish, you probably suspect it’s too good to be true. Of course, you’d be correct. [Dawid] notes from the outset that the packaging the card ships in is unusua...
48
10
[ { "comment_id": "6169204", "author": "sjw", "timestamp": "2019-08-02T08:08:36", "content": "“If it’s too good to be true, it probably is”Something missing there", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6169220", "author": "neo2121", "ti...
1,760,373,819.498427
https://hackaday.com/2019/08/01/mdfourier-project-seeks-the-genesis-of-sega-16-bit-sound/
MDFourier Project Seeks The Genesis Of SEGA 16-bit Sound
Drew Littrell
[ "Games" ]
[ "fourier transform", "sega genesis", "sega mega drive", "sound recording" ]
https://hackaday.com/wp-…s-Sega.png?w=800
It always sounded a bit crunchy, but crunchy in a good way. SEGA’s 16-bit console, whether you call it the Genesis or Mega Drive, always had a unique sound thanks to it’s Yamaha YM2612 sound chip. The chip’s ability to reproduce shredding guitars and blasting bass drums was a joy to hear when placed in the hands of cap...
8
5
[ { "comment_id": "6169188", "author": "xrror", "timestamp": "2019-08-02T06:32:19", "content": "Not really related, but just an example of some amazing (to me) music composed by Tim Follin for what was otherwise a lackluster game on MegaDrive. He really got the YM2612 to sing – but sadly it seems this...
1,760,373,819.417853
https://hackaday.com/2019/08/01/a-farewell-to-youtube-sub-counters-set-to-break-with-api-change/
A Farewell To YouTube Sub Counters Set To Break With API Change
Dan Maloney
[ "google hacks" ]
[ "api", "arduino", "counter", "ESP8266", "led", "matrix", "rgb", "subscribers", "youtube" ]
https://hackaday.com/wp-…enshot.png?w=800
Of all the things you never would have guessed you’d need just ten years ago, a YouTube subscriber counter would probably rank highly. You would have guessed that the little hits of dopamine accompanying each tick upward of a number would be so addictive? As it turns out, lots of people wanted to keep a running total o...
22
11
[ { "comment_id": "6169171", "author": "MinorHavoc", "timestamp": "2019-08-02T04:15:54", "content": "What the heck, Google? Why do you always break the features people like? Is it deliberate malice or sheer incompetence?", "parent_id": null, "depth": 1, "replies": [ { "comm...
1,760,373,821.976797
https://hackaday.com/2019/08/01/quilting-desk-is-an-absolute-unit/
Quilting Desk Is An Absolute Unit
Kristina Panos
[ "Misc Hacks" ]
[ "custom desk", "lift", "plywood", "quilting", "sewing", "woodworking" ]
https://hackaday.com/wp-…sk-800.png?w=800
Most hobbies come with a lot of tools, and thread injecting is no different. Quilting itself may be Queen Hobby when it comes to the sheer volume of things you can buy: specialized templates, clips, thimbles, disappearing ink pens, and so on. And of course, you want it all within arm’s reach while sitting at the machin...
10
4
[ { "comment_id": "6169170", "author": "neimad", "timestamp": "2019-08-02T04:14:38", "content": "“Absolute unit” of what exactly? I hate that I’ve seen this phrase used about 10 times today, and every time it’s trying too hard.", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,373,822.086235
https://hackaday.com/2019/08/01/boost-your-wifi-range-with-cookware/
Boost Your WiFi Range With Cookware
Lewin Day
[ "Wireless Hacks" ]
[ "long range wifi", "wifi", "wireless networking" ]
https://hackaday.com/wp-…nna800.jpg?w=800
WiFi was the killer technology that made home networking easy. No more messing around with hubs and cables and drilling holes in walls, simply turn the devices on and hit connect. Over time the speed and range has increased, but those with larger houses or granny flats out back have suffered. There are tricks to boost ...
44
21
[ { "comment_id": "6169094", "author": "Andy Dodd", "timestamp": "2019-08-01T20:08:15", "content": "Huh, are we resurrecting decade-old articles?WokFi goes back to at least 2008 –https://en.wikipedia.org/wiki/WokFi", "parent_id": null, "depth": 1, "replies": [ { "comment_id":...
1,760,373,822.528528
https://hackaday.com/2019/07/31/creative-limitation-and-the-super-nintendo-sound-chips/
Creative Limitation And The Super Nintendo Sound Chips
Bryan Cockfield
[ "Retrocomputing" ]
[ "art", "dac", "donkey kong", "memory", "music", "retro", "snes", "sound", "super nintendo", "video game" ]
https://hackaday.com/wp-…s-main.png?w=800
The Super Nintendo recently experienced a surge in popularity, either from a combination of nostalgic 30-somethings recreating their childhoods, or because Nintendo released a “classic” version of this nearly-perfect video game system. Or a combination of both. But what made the system worthy of being remembered at all...
18
8
[ { "comment_id": "6168918", "author": "The Mog", "timestamp": "2019-08-01T06:16:26", "content": "Thank you for the acknowledgement that “Not all of the games were winners”. It’s a refreshing dose of realism.There seems to be this recent meme of sorts that games were better “back in the day”, but they...
1,760,373,822.034969
https://hackaday.com/2019/07/31/ping-pong-ball-makes-great-pid-example/
Ping-Pong Ball Makes Great PID Example
Al Williams
[ "Arduino Hacks", "Microcontrollers" ]
[ "control loop", "pid", "ping-pong balls" ]
https://hackaday.com/wp-…07/pid.png?w=800
It is a common situation in electronics to have a control loop, that is some sort of feedback that drives the input to a system such as a motor or a heater based upon a sensor to measure something like position or temperature. You’ll have a set point — whatever you want the sensor to read — and your job is to adjust th...
12
6
[ { "comment_id": "6168912", "author": "John Jorsett", "timestamp": "2019-08-01T05:52:52", "content": "I saw this video right after it appeared on Youtube. It’s a magnificent demonstration of what each of the three components contributes towards the mix.", "parent_id": null, "depth": 1, "r...
1,760,373,821.915535
https://hackaday.com/2019/07/31/reflecting-on-margaret-hamilton/
Reflecting On Margaret Hamilton: 50 Years After Apollo 11
Sharon Lin
[ "Art" ]
[ "art", "desert", "Mural", "solar power" ]
https://hackaday.com/wp-…atured.jpg?w=800
In celebration of the 50th anniversary of the first Apollo moon landing, Google created a 1.4-square-mile portrait of NASA software developer Margaret Hamilton using more than 107,000 mirrors from the Ivanpah Solar Facility in the Mojave Desert, a solar thermal power plant with a gross capacity of 392 megawatts. The fi...
36
7
[ { "comment_id": "6168872", "author": "Andrew Bushnell", "timestamp": "2019-07-31T23:03:49", "content": "There is a book called “Digital Apollo” that talks about development of the Apollo controls including her. Very interesting.", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,373,822.450278
https://hackaday.com/2019/07/31/big-ol-led-wall-looks-cool-can-draw-over-170-amps/
Big Ol’ LED Wall Looks Cool, Can Draw Over 170 Amps
Lewin Day
[ "LED Hacks" ]
[ "led", "LED panel", "LED wall" ]
https://hackaday.com/wp-…el2800.jpg?w=800
Building giant LED walls comes with a serious set of challenges. Whether they lie in power, cable routing, or just finding a way to clock out data fast enough for all the pixels, it takes some doing to build a decent sized display. [Phill] wanted a statement piece for the office, so rolled up his sleeves and got to wor...
15
7
[ { "comment_id": "6168847", "author": "pir", "timestamp": "2019-07-31T20:58:28", "content": "Nice hack, but… 170A@5V is 850W of heating power. All of it for mediocre resolution of 384×256. 2×1.2m is quite a bit of display, but considering operational costs (electricity) and limited capabilities, I th...
1,760,373,822.271863
https://hackaday.com/2019/07/31/open-source-smart-display-takes-the-long-way-around/
Open Source Smart Display Takes The Long Way Around
Tom Nardi
[ "Android Hacks", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "display serial interface", "DragonBoard", "eDP", "IPS", "laptop screen", "smart display" ]
https://hackaday.com/wp-…y_feat.jpg?w=800
Thanks to the relatively low cost of the Raspberry Pi and high resolution LCD screens, “smart displays” have become a favorite project of those looking to clear out their parts bins. Just hook the Pi up to the screen, setup some software, and you’ve got yourself a digital bulletin board for your home that can show your...
18
7
[ { "comment_id": "6168816", "author": "Timo Birnschein", "timestamp": "2019-07-31T19:06:29", "content": "Doesn’t the Raspberry Pi 3 (and others) have a DSI interface?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6168818", "author": "raider", ...
1,760,373,822.603031
https://hackaday.com/2019/07/31/machinist-tools-edge-finding/
Machinist Tools: Edge Finding
Quinn Dunki
[ "Engineering", "Hackaday Columns", "Slider", "Tool Hacks" ]
[ "edge finder", "machinist", "wiggler", "wobbler" ]
https://hackaday.com/wp-…atured.jpg?w=800
Machinists like to live on the edge, but they always want to know precisely where it is. If you’ve watched any machining videos ( *cough* ) then you’ve seen heavy use of digital readouts on machines. A “DRO” (as the cool kids call them) is a little computer that knows where the slides are, and thus where your cutter is...
35
10
[ { "comment_id": "6168815", "author": "Ann", "timestamp": "2019-07-31T18:54:21", "content": "My dad was one of the old school Machinist. I couldn’t find a buyer for his tools.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6169002", "author": "Realit...
1,760,373,822.165101
https://hackaday.com/2019/07/31/bootbasic-fits-your-favorite-language-in-the-boot-sector/
BootBasic Fits Your Favorite Language In The Boot Sector
Al Williams
[ "Software Hacks" ]
[ "basic", "github" ]
https://hackaday.com/wp-…/basic.png?w=800
Humans seem to have a need to do things that aren’t practical. Make the biggest ball of twine. Engrave the Declaration of Independence on a grain of rice. We want to make things bigger, smaller, faster, or whatever. That might explain why [nanochess] put out bootBASIC . The 8088 (or later) assembly code gives you a ver...
18
15
[ { "comment_id": "6168783", "author": "Severe Tire Damage", "timestamp": "2019-07-31T16:16:27", "content": "A bad idea whose time has come! Bravo!!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6168787", "author": "WF", "timestamp": "2019-07-31T16:35:...
1,760,373,822.216049
https://hackaday.com/2019/07/31/rtl-sdr-seven-years-later/
RTL-SDR: Seven Years Later
Tom Nardi
[ "Featured", "Radio Hacks", "Slider", "Tool Hacks", "Wireless Hacks" ]
[ "GnuRadio", "GQRX", "reverse engineering", "RTL-SDR", "RTL2832U", "sdr", "software-defined radio", "Universal Radio Hacker" ]
https://hackaday.com/wp-…atured.png?w=800
Before swearing my fealty to the Jolly Wrencher, I wrote for several other sites, creating more or less the same sort of content I do now. In fact, the topical overlap was enough that occasionally those articles would get picked up here on Hackaday. One of those articles, which graced the pages of this site a little mo...
40
15
[ { "comment_id": "6168755", "author": "Nathan Bowman", "timestamp": "2019-07-31T14:07:56", "content": "I use RTL-SDR every day to scan for clean frequencies to set up In Ear Monitors – instead of thousands of dollars worth of specialized gear, I can use a $25 dongle!", "parent_id": null, "dep...
1,760,373,823.13129
https://hackaday.com/2019/07/31/tiny-thinkpad-plays-tiny-games/
Tiny ThinkPad Plays Tiny Games
Kristina Panos
[ "ATtiny Hacks", "Games", "Microcontrollers" ]
[ "game of life", "snake", "tetris", "thinkpad" ]
https://hackaday.com/wp-…ny-800.png?w=800
[Paul Klinger] can’t seem to get enough of building tiny, amazing gaming rigs, and we love him for that. They combine two of our favorites: miniatures and portable gaming. His newest creation honors the form of the formidable ThinkPad . Of course it has the red nipple and lid LED—wouldn’t be a ThinkPad without ’em. Thi...
7
5
[ { "comment_id": "6168751", "author": "RetiredHobgoblin", "timestamp": "2019-07-31T13:59:40", "content": "Usually when Chinese flood the market with knockoffs, they at least appears to be the same product. This isn’t even the right size, like they Xeroxed the blue prints with the wrong scaling. On a ...
1,760,373,823.044163
https://hackaday.com/2019/07/31/run-your-own-phone-to-bring-the-dreamcast-back-online/
Run Your Own Phone To Bring The Dreamcast Back Online
Bryan Cockfield
[ "Games", "Retrocomputing" ]
[ "console", "dial-up", "dreamcast", "dreamcast now", "gaming", "internet", "lan party", "multiplayer", "network bridge", "raspberry pi", "retro", "sega" ]
https://hackaday.com/wp-…e-main.png?w=800
Playing a video game online is almost second nature now. So much so that almost all multiplayer video games have ditched their split-screen multiplayer modes because they assume you’d rather just be alone at your house than hanging out with your friends. This wasn’t always the case though. In the early days of online m...
17
9
[ { "comment_id": "6168695", "author": "yetihehe", "timestamp": "2019-07-31T09:34:57", "content": "Hmm, this is nice if you already have modem adapter, not all versions had it. I would probably opt for simulating that adapter which could be faster.", "parent_id": null, "depth": 1, "replies...
1,760,373,823.187827
https://hackaday.com/2019/07/30/chiptunes-via-usb-midi-with-the-ay-3-8910/
Chiptunes Via USB MIDI With The AY-3-8910
Lewin Day
[ "Musical Hacks" ]
[ "atmega32u4", "AY-3-8910", "chiptune", "midi" ]
https://hackaday.com/wp-…idi800.jpg?w=800
There are many venerable soundchips in the chiptune pantheon, of which the AY-3-8910 is perhaps one of the lesser known. Having not served on active duty for Nintendo or Commodore it’s somewhat unloved in the USA, but it made its name in a variety of arcade and pinball machines and has quite a European following due to...
11
10
[ { "comment_id": "6168676", "author": "TTL", "timestamp": "2019-07-31T06:51:34", "content": "Would be nice to see a Youtube video for this project.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6168678", "author": "Folkert van Heusden", "timestamp": "2...
1,760,373,823.236926
https://hackaday.com/2019/07/30/four-years-of-learning-esp8266-development-went-into-this-guide/
Four Years Of Learning ESP8266 Development Went Into This Guide
Bryan Cockfield
[ "Wireless Hacks" ]
[ "chrome", "chrome development tools", "coding", "ESP", "ESP8266", "garage door", "guide", "howto", "html", "microcontroller", "web server", "wifi" ]
https://hackaday.com/wp-…e-main.jpg?w=800
The ESP8266 is a great processor for a lot of projects needing a small microcontroller and Wi-Fi, all for a reasonable price and in some pretty small form factors. [Simon] used one to build a garage door opener. This project isn’t really about his garage door opener based on a cheap WiFi-enabled chip, though. It’s abou...
20
7
[ { "comment_id": "6168667", "author": "Anonymous", "timestamp": "2019-07-31T05:22:50", "content": "Wasn’t this already posted on July 15th?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6168699", "author": "Gérald", "timestamp": "2019-07-31T1...
1,760,373,823.292405
https://hackaday.com/2019/07/30/put-a-smoke-detector-to-use/
Put A Smoke Detector To Some Use
Bryan Cockfield
[ "cooking hacks" ]
[ "cooking", "exhaust", "fan", "fire", "gas", "particle photon", "range", "smoke", "smoke detector", "stove" ]
https://hackaday.com/wp-…n-main.jpg?w=800
While we’re certainly not denying that smoke detectors are useful , there’s a certain kind of tragedy to the fact that most of them will never realize their true purpose of detecting smoke, and alerting us to a dangerous fire. On the other hand, [Ben] really unlocks the potential hidden deep in every smoke detector wit...
29
6
[ { "comment_id": "6168627", "author": "Flapflip", "timestamp": "2019-07-30T23:11:49", "content": "I would have used a flame detector or infrared detector outside the exhaust fan.Its a matter of time before it gets full of grease and stops working.", "parent_id": null, "depth": 1, "replies...
1,760,373,823.35676
https://hackaday.com/2019/07/30/preserving-historic-nasa-display-technology/
Preserving Historic NASA Display Technology
Tom Nardi
[ "LED Hacks", "Space" ]
[ "3d printing", "apollo", "Kennedy Space Center", "preservation", "seven segment display" ]
https://hackaday.com/wp-…s_feat.jpg?w=800
When [Patrick Hickey] spent a tidy sum on eBay to purchase a pair of seven-segment displays used in the Launch Control Center at Kennedy Space Center during the Apollo program, he could have just put them up on a shelf. It’s certainly what most people would have done. Instead, he’s decided to study and document their d...
20
9
[ { "comment_id": "6168596", "author": "rnjacobs", "timestamp": "2019-07-30T20:20:04", "content": "Another instance of “3d printing ducted 7 segment displays” –https://hackaday.com/2018/03/18/this-big-bright-seven-segment-display-is-3d-printable/– given Fran’s fascination with everything Apollo, I wou...
1,760,373,823.423217
https://hackaday.com/2019/07/29/dreamcast-gets-a-plug-n-play-hard-drive-mod/
Dreamcast Gets A Plug-n-Play Hard Drive Mod
Lewin Day
[ "classic hacks" ]
[ "console", "dreamcast", "hard drive", "ide" ]
https://hackaday.com/wp-…dd800b.jpg?w=800
The Dreamcast was a proud moment for Sega, at least initially, being the first console to launch of a new generation. Unfortunately this didn’t translate into massive sales, and the plug was pulled far earlier than expected. The console retains a dedicated fanbase to this day however, who continue to tinker with the ha...
22
7
[ { "comment_id": "6168408", "author": "Rusty Shackelford", "timestamp": "2019-07-30T06:26:30", "content": "Pocket sand!!!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6168418", "author": "ERIC S CHAPIN", "timestamp": "2019-07-30T07:15:03", "conten...
1,760,373,823.533292
https://hackaday.com/2019/07/29/where-the-work-is-really-done-casual-profiling/
Where The Work Is Really Done – Casual Profiling
Bryan Cockfield
[ "computer hacks" ]
[ "casual profiling", "computer", "cores", "efficiency", "processor", "profiling", "thread", "threading" ]
https://hackaday.com/wp-…atured.jpg?w=800
Once a program has been debugged and works properly, it might be time to start optimizing it. A common way of doing this is a method called profiling – watching a program execute and counting the amount of computing time each step in the program takes. This is all well and good for most programs, but gets complicated w...
13
6
[ { "comment_id": "6168364", "author": "mike", "timestamp": "2019-07-30T02:07:30", "content": "Seems like the linked article calls it “causal profiling,” which makes more sense than the casual profiling discussed here :)", "parent_id": null, "depth": 1, "replies": [ { "commen...
1,760,373,823.476514
https://hackaday.com/2019/07/29/a-simple-way-to-analyze-guitar-pickups/
A Simple Way To Analyze Guitar Pickups
Maya Posch
[ "Musical Hacks" ]
[ "audio", "electric guitar", "music", "Pickups" ]
https://hackaday.com/wp-…atured.jpg?w=800
To the uninitiated an electric guitar seems fairly simple: you pluck a string and the electronics send the corresponding audio signal on the 6.3 mm jack output, all ready for for the amplifier to work its magic. Much of what makes a guitar like that sound good depends on the pickups, however. These are the devices whic...
21
9
[ { "comment_id": "6168366", "author": "Paul", "timestamp": "2019-07-30T02:13:04", "content": "Interesting. Nice though the LT1058 may be, A JFET opamp is not usually the first thing to come to mind when designing a preamp for a low-impedance source like a pickup (especially the TL084 alternate that ...
1,760,373,823.594127
https://hackaday.com/2019/07/29/punch-the-world-with-a-raspberry-pi/
Punch The World With A Raspberry Pi
Bryan Cockfield
[ "Art" ]
[ "boxing", "camera", "glove", "interactive", "punch", "raspberry pi", "robot", "stress", "therapy" ]
https://hackaday.com/wp-…r-main.jpg?w=800
Robots have certainly made the world a better place. Virtually everything from automobile assembly to food production uses a robot at some point in the process, not to mention those robots that can clean your house or make your morning coffee. But not every robot needs such a productive purpose. This one allows you to ...
9
5
[ { "comment_id": "6168313", "author": "Heribert Houben", "timestamp": "2019-07-29T20:25:57", "content": "seems in reality it is the other way round: the globe is angry and is increasingly punching us. And we are not innocent. Most of us…", "parent_id": null, "depth": 1, "replies": [] },...
1,760,373,823.700372
https://hackaday.com/2019/07/29/the-bluetooth-lcd-sniffer-you-didnt-know-you-needed/
The Bluetooth LCD Sniffer You Didn’t Know You Needed
Tom Nardi
[ "The Hackaday Prize", "Tool Hacks" ]
[ "2019 Hackaday Prize", "Adafruit Feather", "bluetooth", "dot matrix display", "ks0108", "lcd", "logic analyzer", "nRF52", "sniffer" ]
https://hackaday.com/wp-…f_feat.jpg?w=800
At one time or another, we’ve all suffered through working with a piece of equipment that didn’t feature a way to export its data to another device. Whether it was just too old to offer such niceties, or the manufacturer locked the capability behind some upgrade, the pain of staring at digits ticking over on a glowing ...
16
8
[ { "comment_id": "6168308", "author": "Jamesy Garfield", "timestamp": "2019-07-29T20:16:58", "content": "Compressing data sbouldnt affect realtime use.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6168342", "author": "Squeezed", "timestamp":...
1,760,373,823.772211
https://hackaday.com/2019/07/29/hands-on-andxor-def-con-27-badge-ditches-bender-adopts-light-pipes/
Hands-On: AND!XOR DEF CON 27 Badge Ditches Bender, Adopts Light Pipes
Mike Szczys
[ "Hackaday Columns", "Reviews", "Slider" ]
[ "AND!XOR", "badgelife", "DEF CON", "defcon 27" ]
https://hackaday.com/wp-…atured.jpg?w=800
The newest offering from the AND!XOR team is out and it delivered exactly what hardware badges were missing: light pipes. No joke, the DEF CON 27 edition AND!XOR badge will be most recognizable because of two arcs of light pipe material blinging RGB goodness in three dimensions. But if you can peel your eyes away from ...
13
8
[ { "comment_id": "6168254", "author": "Brokencodes", "timestamp": "2019-07-29T17:10:44", "content": "First?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6168533", "author": "AwesomeSauce", "timestamp": "2019-07-30T16:28:32", "content...
1,760,373,823.944741
https://hackaday.com/2019/07/29/quick-turn-pcb-fab-hack-chat/
Quick-Turn PCB Fab Hack Chat
Dan Maloney
[ "Hackaday Columns" ]
[ "design", "fab", "fabrication", "flex PCB", "manufacture", "pcb", "quick-turn", "The Hack Chat" ]
https://hackaday.com/wp-…hat-01.jpg?w=800
Join us on Wednesday, July 31st at noon Pacific for the Quick-Turn PCB Fab Hack Chat with Mihir Shah ! We’ve all become used to designing a PCB and having it magically appear at our doorstep – after a fashion. Modern PCB fabs rely on economies of scale to deliver your design cheaply, at the expense of time – the time i...
0
0
[]
1,760,373,823.984269
https://hackaday.com/2019/07/30/pick-and-place-robot-built-with-fischertechnik/
Pick And Place Robot Built With Fischertechnik
Pat Whetman
[ "Robots Hacks", "The Hackaday Prize" ]
[ "delta robot", "FischerTechnik", "pick and place" ]
https://hackaday.com/wp-…elta01.jpg?w=800
We’d be entirely wrong to think that Fichertechnik is just a toy for kids. It’s also perfect for prototyping the control system of robots. [davidatfsg]’s recent entry in the Hackaday Prize, Delta Robot , shows how complex robotics can be implemented without the hardship of having to drill, cut, bolt together or weld co...
3
1
[ { "comment_id": "6168600", "author": "Jakob", "timestamp": "2019-07-30T20:47:44", "content": "Fischer was always so alluring and … incredible but always out of reach. Too expensive and exotic. I had a handful of parts but not enough to build much, also I didn’t quite understand. Lego was easier for ...
1,760,373,824.023791
https://hackaday.com/2019/07/30/teardown-catel-ctp300-restaurant-pager/
Teardown: Catel CTP300 Restaurant Pager
Tom Nardi
[ "Hackaday Columns", "Slider", "Teardown", "Wireless Hacks" ]
[ "433MHz", "battery charging", "CPT300", "lipo battery", "OOK", "pager" ]
https://hackaday.com/wp-…0_feat.jpg?w=800
I have a problem. If I go to a swap meet , or even a particularly well stocked yard sale, I feel compelled to buy something. Especially if that something happens to be an oddball piece of electronics. While on the whole I’m a man of few vices, I simply can’t walk away from a good deal; doubly so if it has a bunch of bu...
39
13
[ { "comment_id": "6168547", "author": "some guy", "timestamp": "2019-07-30T17:31:20", "content": ">I have a problem. […]EGA? (electronic gadget addiction)(To understand this joke you need to know the eevblog-forum and the TEA-thread there…)Where did you order new batteries? I’m not confident into tho...
1,760,373,824.152942
https://hackaday.com/2019/07/30/vintage-computer-festival-west-is-almost-here/
Vintage Computer Festival West Is Almost Here
Tom Nardi
[ "cons", "Retrocomputing" ]
[ "computer history museum", "VCF", "VCF West", "Vintage Computer Festival" ]
https://hackaday.com/wp-…atured.jpg?w=800
If you’ve got an interest in technology, a penchant for that particular shade of yellowed plastic, and happen to be located in the California area, then we’ve got the event for you. The Vintage Computer Festival West is happening this weekend , August 3rd and 4th, at the Computer History Museum in Mountain View, Califo...
13
7
[ { "comment_id": "6168525", "author": "gregg4", "timestamp": "2019-07-30T16:06:36", "content": "Yes but they already celebrated UNIX discovering its 50 years old, at VCF East, and no one from Hack A Day was there.", "parent_id": null, "depth": 1, "replies": [ { "comment_id":...
1,760,373,824.203503
https://hackaday.com/2019/07/30/driving-a-big-rc-car-on-the-ceiling/
Driving A Big RC Car On The Ceiling
Lewin Day
[ "classic hacks" ]
[ "R/C car", "radio control", "radio control car" ]
https://hackaday.com/wp-…ing800.jpg?w=800
RC cars are a great way to have fun hooning around. There’s plenty of laughs to be had racing your friends in the local grocery store carpark, ideally after hours. [Ivan Miranda] wanted to go in a different direction, however – and that direction was up. (Video embedded after the break.) There are existing toys that ca...
6
5
[ { "comment_id": "6168508", "author": "RoGeorge", "timestamp": "2019-07-30T15:35:24", "content": "Let me guess, Austria?:o)", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6168526", "author": "Ostracus", "timestamp": "2019-07-30T16:07:09", "content":...
1,760,373,824.067667
https://hackaday.com/2019/07/30/c20-is-feature-complete-heres-what-changes-are-coming/
C++20 Is Feature Complete; Here’s What Changes Are Coming
Sven Gregori
[ "Engineering", "Featured", "Software Development" ]
[ "c++", "c++20", "software development", "standard" ]
https://hackaday.com/wp-…7/05/c.jpg?w=800
If you have an opinion about C++, chances are you either love it for its extensiveness and versatility, or you hate it for its bloated complexity and would rather stick to alternative languages on both sides of the spectrum. Either way, here’s your chance to form a new opinion about the language. The C++ standard commi...
105
23
[ { "comment_id": "6168495", "author": "cBaer", "timestamp": "2019-07-30T14:27:53", "content": "For plain C as an embedded system developer I wish there where fractional datatypes natively supported like (fix32_8) where this is a signed 32 bit number with its fractional point is between bit 8 and 7.",...
1,760,373,824.349675
https://hackaday.com/2019/07/30/etch-a-selfie/
Etch-A-Selfie
Bryan Cockfield
[ "Robots Hacks" ]
[ "camera", "ESP32", "etch a sketch", "robot", "selfie", "servo" ]
https://hackaday.com/wp-…e-main.jpg?w=800
Taking a selfie before the modern smartphone era was a true endeavor. Flip phones didn’t have forward-facing cameras, and if you want to go really far back to the days of film cameras, you needed to set a timer on your camera and hope, or get a physical remote shutter. You could also try and create a self portrait on a...
5
4
[ { "comment_id": "6168459", "author": "joia", "timestamp": "2019-07-30T11:40:02", "content": "tl;dwA bit of image processing and a servo driver. What’s the point of 14 mins video?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6168491", "author": "im-...
1,760,373,824.390896
https://hackaday.com/2019/07/30/apple-lightning-video-adaptors-run-ios-dynamically-loaded/
Apple Lightning Video Adaptors Run IOS, Dynamically Loaded
Jenny List
[ "iphone hacks", "ipod hacks" ]
[ "apple", "Apple Lightning", "iphon", "ipod" ]
https://hackaday.com/wp-…atured.jpg?w=800
Apple has for a very long time been a company that ploughs its own furrow when it comes to peripherals, with expensive proprietary hardware being the order of the day over successive generations of its products. One of its current line of proprietary interfaces is the Lightning connector, best thought of as an Apple-on...
28
7
[ { "comment_id": "6168430", "author": "sr", "timestamp": "2019-07-30T08:31:31", "content": "“best thought of as an Apple-only take on the same ideas that the rest of the world knows as USB-C”Lightning appeared on the iPhone 5 in 2012, whereas USBC wasn’t even finalised until 2014, and only started po...
1,760,373,824.456776
https://hackaday.com/2019/07/29/micro-sized-flex-for-commercial-quality-bodging/
Micro-Sized Flex For Commercial Quality Bodging
Kerry Scharfglass
[ "handhelds hacks", "Nintendo Game Boy Hacks" ]
[ "adapter", "bodge", "bodge wire", "flex", "game boy", "gameboy", "link port", "mod", "nintendo", "snes", "video game" ]
https://hackaday.com/wp-…AN7G3.jpeg?w=800
We love watching the creativity unleashed by the democratization of once-exotic technologies. The casualness by which one can order a cheap, small run of PCBs has unlocked a flood of fine pitch components and projects which look commercial quality even with a total build volume of one. Now the once mythical flex PCB ha...
9
4
[ { "comment_id": "6168228", "author": "Clara", "timestamp": "2019-07-29T15:51:30", "content": "Very cool! I guess an extra-fancy version of this could use the flex PCB itself as the cable, so that it just plugs in to the board with the link port, trading some $ for easier assembly.", "parent_id"...
1,760,373,824.504123
https://hackaday.com/2019/07/29/usb-c-one-plug-to-connect-them-all-and-in-confusion-bind-them/
USB-C: One Plug To Connect Them All, And In Confusion Bind Them
Roger Cheng
[ "Featured", "Interest", "Original Art", "Slider" ]
[ "Raspberry Pi 4", "USB C", "usb c power delivery", "USB Type-C" ]
https://hackaday.com/wp-…/USB-C.jpg?w=800
USB stands for Universal Serial Bus and ever since its formation, the USB Implementers Forum have been working hard on the “Universal” part of the equation. USB Type-C, which is commonly called USB-C, is a connector standard that signals a significant new chapter in their epic quest to unify all wired connectivity in a...
53
18
[ { "comment_id": "6168208", "author": "Nick", "timestamp": "2019-07-29T14:47:20", "content": "Barrel connectors certainly weren’t / aren’t a panacea. It’s far easier to destroy something by using the wrong barrel connector brick than by using the wrong USB-C cable or power supply.", "parent_id": ...
1,760,373,825.1323
https://hackaday.com/2019/07/29/taking-a-peek-inside-amazons-latest-dot/
Taking A Peek Inside Amazon’s Latest Dot
Tom Nardi
[ "hardware", "Teardown" ]
[ "amazon", "android", "echo", "echo dot", "mediatek", "voice assistant" ]
https://hackaday.com/wp-…3_feat.jpg?w=800
Like a million or so other people, [Brian Dorey] picked up a third generation Echo Dot during Amazon’s big sale a couple weeks ago. Going for less than half its normal retail price, he figured it was the perfect time to explore Amazon’s voice assistant offerings. But the low price also meant that he didn’t feel so bad ...
37
9
[ { "comment_id": "6168149", "author": "James", "timestamp": "2019-07-29T11:39:12", "content": "Great post! Can someone explain how the Fairchild 74LCX74 flip-flop works and why it should be impossible to remotely turn the microphone back on for example?", "parent_id": null, "depth": 1, "r...
1,760,373,824.686354
https://hackaday.com/2019/07/29/a-new-kicad-tutorial-hits-the-scene/
A New KiCAD Tutorial Hits The Scene
Kerry Scharfglass
[ "hardware", "how-to", "Microcontrollers" ]
[ "arm", "ATSAMD", "KiCAD", "learning", "tutorial" ]
https://hackaday.com/wp-…-board.png?w=800
KiCAD has a rightfully earned image problem regarding beginners. The shiny new version 5 has improved things (and we’re very excited for v6!) but the tool is a bit obtuse even when coming from a electronics design background, so we’re always excited to see new learning material. [Mike Watts] is the latest to join the e...
42
10
[ { "comment_id": "6168129", "author": "Smonson", "timestamp": "2019-07-29T08:52:31", "content": "Note you don’t actually have to make circles in the edge cuts layer for the screw holes, the plated or unplated hole footprints (that were added in the Silkscreen step) are sufficient, as far as I’ve ever...
1,760,373,824.83678
https://hackaday.com/2019/07/28/fail-of-the-week-the-arduino-walkie-that-wont-talkie/
Fail Of The Week: The Arduino Walkie That Won’t Talkie
Dan Maloney
[ "Fail of the Week", "Wireless Hacks" ]
[ "arduino", "distortion", "fail of the week", "lm358", "NRF24", "RF", "walkie talkie", "wireless" ]
https://hackaday.com/wp-…enshot.png?w=800
There’s something seriously wrong with the Arduino walkie-talkie that [GreatScott!] built. The idea is simple: build a wireless intercom so a group of motor scooter riders can talk in real-time. Yes, such products exist commercially, but that’s no fun at all. With a little ingenuity and a well-stocked parts bin, such a...
33
16
[ { "comment_id": "6168095", "author": "JWhitten", "timestamp": "2019-07-29T05:12:17", "content": "Nice case though.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6168096", "author": "Chris", "timestamp": "2019-07-29T05:18:13", "content": "https://y...
1,760,373,824.75558
https://hackaday.com/2019/07/28/esp8266-sound-machine-soothes-baby-remotely/
ESP8266 Sound Machine Soothes Baby Remotely
Kristina Panos
[ "Lifehacks" ]
[ "baby", "ESP8266", "NodeMCU", "shh video" ]
https://hackaday.com/wp-…ne-800.png?w=800
[Zack] had trouble getting his six-month-old to sleep through the night. That was before he found out about ‘shh’ videos on YouTube. These are exactly what they sound like: eight hours of someone whooshing white noise into a microphone. He set a phone up on a charger in the nursery and let one of these play overnight. ...
7
3
[ { "comment_id": "6168117", "author": "johnny", "timestamp": "2019-07-29T07:53:46", "content": "Why not buy a $5 Bluetooth speaker with SD card slot on amazon and play a single mp3 on loop?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6168122", "aut...
1,760,373,825.03466
https://hackaday.com/2019/07/28/hackaday-links-july-28-2019/
Hackaday Links: July 28, 2019
Dan Maloney
[ "Hackaday Columns", "Hackaday links" ]
[ "5g", "ac", "agc", "apollo", "Apollo Guidance Computer", "apple", "chiptune", "hvac", "intel", "make magazine", "modem", "reflow" ]
https://hackaday.com/wp-…banner.jpg?w=800
It looks like Apple is interested in buying Intel’s modem chip business . Seriously interested; a deal worth $1 billion could be announced as early as this week. That might look like a small potato purchase to the world’s biggest company – at least by market capitalization – but since the technology it will be buying i...
16
7
[ { "comment_id": "6168041", "author": "cliff claven", "timestamp": "2019-07-28T23:09:32", "content": "Better window units do this by slinging the condensate into the condenser air stream, and it is a long-know trick with split units that goes back at least to the 1960”s (mist with a hose, or, prefera...
1,760,373,824.992763
https://hackaday.com/2019/07/28/take-control-of-your-dslr-with-pixpi/
Take Control Of Your DSLR With PiXPi
Tom Nardi
[ "digital cameras hacks", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "flash controller", "high speed photography", "photography", "visual programming" ]
https://hackaday.com/wp-…i_feat.jpg?w=800
If you’ve ever tried to take a picture of a fast moving object, you know how important timing is. You might only have one chance, and if you hit the shutter a bit too early or too late, the shot could be ruined. Past a certain point, no human camera operator can react quickly enough. Which is exactly why [Krzysztof Krz...
32
7
[ { "comment_id": "6168012", "author": "John Dickinson", "timestamp": "2019-07-28T20:15:33", "content": "I have made one of these but the problem is the undocumented, variable time it takes for modern DSLRs to actually operate the shutter after they get the trigger. Nikon are fairly stable and fixed a...
1,760,373,825.259996
https://hackaday.com/2019/07/28/lego-powered-sub-built-in-a-water-jug/
Lego-Powered Sub Built In A Water Jug
Lewin Day
[ "Misc Hacks" ]
[ "lego", "submarine" ]
https://hackaday.com/wp-…sub800.jpg?w=800
Submarines are universally considered cool, but bring several challenges to the RC modeller that aren’t there with land and air builds. Water ingress can ruin your project, and there’s always the possibility of it sinking to the bottom, never to return. That didn’t phase [Brick Experiment Channel], however, and thus a ...
16
11
[ { "comment_id": "6168002", "author": "Jan", "timestamp": "2019-07-28T18:31:36", "content": "interesting project, although I have mixed feeling about a sub being gutted for it’s part to control the jug.It seems to work fine and the syringe ballast tank is a great idea, cool project!The handle of the ...
1,760,373,825.184871
https://hackaday.com/2019/07/28/a-3d-printable-mecanum-wheeled-robot-platform/
A 3D-Printable Mecanum Wheeled Robot Platform
Jenny List
[ "Robots Hacks" ]
[ "mecanum", "robot", "robot suspension", "suspension" ]
https://hackaday.com/wp-…atured.jpg?w=800
If your interest lies with robotics there are a multitude of different platforms for you to build. [Teemu Laurila] was frustrated with what was on offer, so designed his own with four-wheel double wishbone suspension and mecanum wheels for maximum flexibility. It’s a design that has been through multiple revisions sinc...
8
4
[ { "comment_id": "6167972", "author": "Teemu Laurila", "timestamp": "2019-07-28T15:14:05", "content": "Hey! The mecanum wheels aren’t off-the-shelf parts! They are completely 3d-printable too! The rolls are designed to be printed out of 95A TPU and the rest can be printed from PLA or ABS. I just have...
1,760,373,825.305085
https://hackaday.com/2019/07/28/russian-ebike-goes-everywhere-possibly-legal/
Russian EBike Goes Everywhere, Possibly Legal
Bryan Cockfield
[ "Transportation Hacks" ]
[ "bicycle", "bike", "ebike", "electric", "homemade", "hub motor", "motorized", "russia", "suspension", "tricycle", "welding" ]
https://hackaday.com/wp-…n-main.jpg?w=800
Electric bikes may be taking the world by storm, but the world itself doesn’t have a single way of regulating ebikes’ use on public roads. Whether or not your ebike is legal to ride on the street or sidewalk where you live depends mostly on… where you live. If you’re lucky enough to live in a place where a bicycle is l...
54
22
[ { "comment_id": "6167928", "author": "Ostracus", "timestamp": "2019-07-28T11:34:13", "content": "“Electric bikes may be taking the world by storm, but the world itself doesn’t have a single way of regulating ebikes’ use on public roads.”Laws, that’s your “single way”. Uniform laws is what we don’t h...
1,760,373,825.392342
https://hackaday.com/2019/07/28/3d-printing-a-nas-server-case/
3D Printing A NAS Server Case
Lewin Day
[ "3d Printer hacks" ]
[ "3D printed enclosure", "computer case", "nas" ]
https://hackaday.com/wp-…ase800.jpg?w=800
It’s good to back up, and despite that, few of us do. [Brian] we suspect is of the more diligent persuasion, given his strong enthusiasm for network attached storage. Recently, he found himself looking for a new case for his DIY build, and decided to go the 3D printed route. The case is the design of one [Toby K], who ...
16
8
[ { "comment_id": "6167939", "author": "dongwaffle", "timestamp": "2019-07-28T12:21:21", "content": "I think this is an interesting project but am a little dismayed that the design is being sold $28 under a non-free license (no remix?). Add that to the cost of filament and print time and there is bas...
1,760,373,825.448265
https://hackaday.com/2019/07/27/lack-of-space-is-no-longer-an-excuse-for-not-having-a-pen-plotter/
Lack Of Space Is No Longer An Excuse For Not Having A Pen Plotter
Jenny List
[ "cnc hacks" ]
[ "cnc", "ESP32", "pen plotter" ]
https://hackaday.com/wp-…atured.jpg?w=800
Pen plotters, those mechanical X-Y drawing machines that have in many cases been superseded by inkjet and other printer technologies, exert a fascination from a section of our community. Both analogue and digital machines are brought out of retirement for some impressive graphical effects, and we suspect that more than...
26
11
[ { "comment_id": "6167902", "author": "kramboz", "timestamp": "2019-07-28T05:59:52", "content": "Oh god no. They’re fun to watch, but I hope to never own one again. Having lived in an era where pen plotters were a necessity for business, I’m so glad to see them dead. Long live laser and inkjet.", ...
1,760,373,825.559971
https://hackaday.com/2019/07/27/build-your-own-led-glow-poi/
Build Your Own LED Glow Poi
Lewin Day
[ "Toy Hacks" ]
[]
https://hackaday.com/wp-…poi800.jpg?w=800
Spinning poi is an entertaining pastime, and LEDs can make a great addition to the experience. [MilanDer] built some LED poi of their very own, using a few maker staples along the way. A 3D printed enclosure is first created, using “clear” PLA that in practice produces translucent white parts. This acts as a great diff...
6
2
[ { "comment_id": "6167880", "author": "MacAttack", "timestamp": "2019-07-28T02:07:13", "content": "At first I thought it was some form of a Hula Hoop with LEDs inside but reading the Instructable it seems to be more like (2) balls, with a ring of LEDs inside, swinging about at the end of strings.", ...
1,760,373,825.492435
https://hackaday.com/2019/07/26/add-scripting-to-your-c-programs-with-chaiscript/
Add Scripting To Your C++ Programs With ChaiScript
Al Williams
[ "Software Development" ]
[ "c++", "script language", "scripting" ]
https://hackaday.com/wp-…atured.jpg?w=800
If you are writing a program that has a technical user base, it is a nice touch to make the program scriptable. In fact, you might want to do the hard work in a programming language and then use your scripting language to build out features. In theory, this should be easy. There are plenty of embedded scripting librari...
23
10
[ { "comment_id": "6167691", "author": "PWalsh", "timestamp": "2019-07-27T06:41:45", "content": "If one is thinking of using a scripting language, one might be better off using one of the older languages such as bash or perl.Taking perl as an example, it’s got more functionality than any recently-desi...
1,760,373,825.752894
https://hackaday.com/2019/07/26/building-diy-acoustic-panels-to-cut-down-on-echoes/
Building DIY Acoustic Panels To Cut Down On Echoes
Lewin Day
[ "Video Hacks" ]
[ "acoustic panels", "acoustics", "sound", "video" ]
https://hackaday.com/wp-…els800.jpg?w=800
Plenty of hackers and makers are passionate about content creation. In the dog-eat-ice-bucket-challenge world of online video, production value is everything. If you want to improve your audio quality then cutting down on echoes is a must, and these acoustic panels will help you to do just that. The build starts with a...
26
8
[ { "comment_id": "6167638", "author": "Hirudinea", "timestamp": "2019-07-26T23:30:30", "content": "I thought DIY acoustic panels were just egg crates stuck to the wall?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6167689", "author": "Marty", ...
1,760,373,825.85844
https://hackaday.com/2019/07/26/building-a-smarter-smoke-alarm-with-the-esp8266/
Building A Smarter Smoke Alarm With The ESP8266
Tom Nardi
[ "Microcontrollers" ]
[ "google assistant", "home automation", "MQ2", "NodeMCU", "smoke detector", "smoke sensor" ]
https://hackaday.com/wp-…e_feat.jpg?w=800
The modern hacker wields a number of tools that operate on the principle of heating things up to extremely high temperatures, so a smoke alarm is really a must-have piece of equipment. But in an era where it seems everything is getting smarter, some might wonder if even our safety gear could benefit from joining the In...
9
5
[ { "comment_id": "6167589", "author": "JSCOTT", "timestamp": "2019-07-26T20:49:18", "content": "Many of these exist already", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6167602", "author": "smellsofbikes", "timestamp": "2019-07-26T21:29:36", "cont...
1,760,373,825.797145
https://hackaday.com/2019/07/26/the-march-toward-a-diy-metal-3d-printer/
The March Toward A DIY Metal 3D Printer
Sharon Lin
[ "3d Printer hacks", "FPGA", "The Hackaday Prize" ]
[ "2019 Hackaday Prize", "3d printing", "EBM", "electron beam", "electron beam melting", "electron beam welding", "fpga", "physics", "prague", "welder" ]
https://hackaday.com/wp-…atured.jpg?w=800
[Hyna] has spent seven years working with electron microscopes and five years with 3D printers. Now the goal is to combine expertise from both realms into a metal 3D printer based on electron-beam melting (EBM). The concept is something of an all-in-one device that combines traits of an electron beam welder, an FDM 3D ...
20
10
[ { "comment_id": "6167557", "author": "Me", "timestamp": "2019-07-26T18:43:33", "content": "Stand back from the secondary and Brehmstrahlung X-Ray generation…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6167708", "author": "Jason", "timesta...
1,760,373,826.931847
https://hackaday.com/2019/07/26/retrotechtacular-the-floppy-disk-orphaned-by-linux/
Retrotechtacular: The Floppy Disk Orphaned By Linux
Jenny List
[ "Interest", "Retrocomputing", "Retrotechtacular", "Slider" ]
[ "3.5\" floppy disk", "5.25\"", "8 inch floppy disk", "floppy disk", "linux" ]
https://hackaday.com/wp-…atured.jpg?w=800
About a week ago, Linus Torvalds made a software commit which has an air about it of the end of an era. The code in question contains a few patches to the driver for native floppy disc controllers. What makes it worthy of note is that he remarks that the floppy driver is now orphaned. Its maintainer no longer has worki...
105
47
[ { "comment_id": "6167522", "author": "Severe Tire Damage", "timestamp": "2019-07-26T17:16:52", "content": "Ding, dong, the witch is dead!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6167622", "author": "SteveS", "timestamp": "2019-07-26T22...
1,760,373,827.188653