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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2019/05/06/a-hydrogen-fuel-cell-drone/ | A Hydrogen Fuel Cell Drone | Pedro Umbelino | [
"drone hacks",
"News"
] | [
"drone",
"fuel cell",
"hydrogen"
] | When we think about hydrogen and flying machines, it’s quite common to imagine Zeppelins, weather balloons and similar uses of hydrogen in lighter-than-air craft to lift stuff of the ground. But with smaller and more efficient fuel cells, hydrogen is gaining its place in the drone field.
Project RACHEL
is a hydrogen po... | 37 | 19 | [
{
"comment_id": "6147238",
"author": "Andrea",
"timestamp": "2019-05-06T08:12:36",
"content": "Booom!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6147240",
"author": "thx997",
"timestamp": "2019-05-06T08:19:24",
"content": "about 2.55Kg of H2",
... | 1,760,373,941.118003 | ||
https://hackaday.com/2019/05/05/web-interface-controls-nixie-tube-clock/ | Web Interface Controls Nixie Tube Clock | Rich Hawkes | [
"clock hacks"
] | [
"ESP8266",
"nixie clock",
"nixie tube",
"nixie tube clock",
"web ui"
] | We love our clocks around here and we love nixie tubes as well. The combination of the two almost seems to be a no-brainer. With the modern twist of an ESP8266, Reddit user [vladco] built a
minimalist nixie tube clock
.
The build starts with the nixie tubes, Russian In4s, each one mounted on its own small circuit board... | 12 | 5 | [
{
"comment_id": "6147229",
"author": "vladco",
"timestamp": "2019-05-06T07:03:12",
"content": "look mom, I’m on Hackaday!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6147428",
"author": "vladco's mom",
"timestamp": "2019-05-06T19:49:11",
... | 1,760,373,941.040048 | ||
https://hackaday.com/2019/05/05/a-function-generator-in-its-purest-form/ | A Function Generator In Its Purest Form | Jenny List | [
"hardware"
] | [
"DIY function generator",
"function generator",
"test equipment"
] | If you have a modern function generator on your bench it is quite likely to contain a direct-digital synthesis circuit that creates arbitrary waveforms using a microprocessor controlled DAC. If you have a cheap function generator it’s likely to contain a one-chip solution that generates approximations to sine and trian... | 9 | 4 | [
{
"comment_id": "6147206",
"author": "Abraham Camarillo",
"timestamp": "2019-05-06T02:36:14",
"content": "I really like these kind of new because it takes you back to older techniques of design and this is quite interesting, thanks for sharing this!",
"parent_id": null,
"depth": 1,
"repl... | 1,760,373,941.16753 | ||
https://hackaday.com/2019/05/05/hackaday-links-may-5-2019/ | Hackaday Links: May 5, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"cnc",
"Jean Baudrillard",
"red hat",
"Satoshi",
"siemens"
] | Simulacra and simulation and Kickstarter videos. The Amigo Robot is a 4-wheeled omnibot robot on Kickstarter. It does STEM or STEAM or whatever. Oh neat, injection molded magnetic pogo pins, that’s cool.
Watch the video for this Kickstarter
, it is a work of postmodern horror. We live in a post-reality world, and this ... | 22 | 13 | [
{
"comment_id": "6147188",
"author": "jafinch78",
"timestamp": "2019-05-05T23:24:04",
"content": "” Because he had used his work laptop with it, the system had “phoned home” and alerted Siemens that an unlicensed version was being used. ”Is the code disclosed or accessible to decompile somewhere so ... | 1,760,373,941.494638 | ||
https://hackaday.com/2019/05/05/ripping-up-a-rothult/ | Ripping Up A Rothult | Brian McEvoy | [
"Teardown"
] | [
"13.56mhz",
"ikea",
"lock cabinet",
"NFC",
"rfid",
"Rothult",
"scanner",
"teardown"
] | NFC locks are reaching a tipping point where the technology is so inexpensive that it makes sense to use it in projects where it would have been impractical months ago. Not that practicality has any place among these pages. IKEA carries a cabinet lock for $20USD and does not need any programming but who has a jewelry b... | 28 | 12 | [
{
"comment_id": "6147190",
"author": "ian 42",
"timestamp": "2019-05-05T23:27:38",
"content": "it doesn’t look like that ikea product is very widely released.. looks like just the UK..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6147191",
"author"... | 1,760,373,941.327991 | ||
https://hackaday.com/2019/05/05/3d-printed-weather-station-gets-a-wireless-upgrade/ | 3D Printed Weather Station Gets A Wireless Upgrade | Lewin Day | [
"3d Printer hacks",
"Wireless Hacks"
] | [
"3d print",
"433MHz",
"weather station"
] | A weather station can be anything from a fun home science exercise, all the way up to a useful tool for planning and weather prediction. [Rob Ward] is one such person who has developed their own weather station,
and it recently got a wireless upgrade.
We first featured [Rob]’s work
back in 2018,
noting that a largely 3... | 15 | 5 | [
{
"comment_id": "6147146",
"author": "wibble",
"timestamp": "2019-05-05T17:33:10",
"content": "Nice build, but it needs to about 20m higher to avoid turbulence effects from fence (and higher still if within 200m of a roof)",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,373,941.264958 | ||
https://hackaday.com/2019/05/05/toolpath-painting-brings-out-that-first-layer-sparkle/ | Toolpath Painting Brings Out That First Layer Sparkle | Sonya Vasquez | [
"3d Printer hacks"
] | [
"3d print",
"drooloop painting",
"toolpath painting"
] | In the 3D-printing community, [Mark Peeters] may be known-and-loved for his drooloop printing, but that’s not enough to stop him from pushing the spectrum of printing tricks even further. Dubbed
Toolpath Painting
, [Mark] is taking that glorious sheen from the bottom layer of a 3D print and putting it to work to make e... | 7 | 5 | [
{
"comment_id": "6147119",
"author": "Mechanicus",
"timestamp": "2019-05-05T14:52:41",
"content": "That flower is too cool, the videos on twitter show much more of the shiny.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6147120",
"author": "Jan",
"ti... | 1,760,373,941.543092 | ||
https://hackaday.com/2019/05/04/utterly-precise-light-painting-thanks-to-cnc-and-stop-motion/ | Utterly Precise Light Painting, Thanks To CNC And Stop Motion | Donald Papp | [
"Art",
"cnc hacks",
"LED Hacks"
] | [
"animation",
"blender",
"cnc",
"led",
"light painting",
"robotic"
] | Light painting is the process of moving a light while taking a long-exposure photograph, which creates a sort of drawing from the path of the light source. It’s been done in one way or another since at least the early-to-mid 1900s, but modern hardware and methods have allowed for all kinds of new spins on this old idea... | 13 | 8 | [
{
"comment_id": "6146983",
"author": "curious_one",
"timestamp": "2019-05-04T15:07:28",
"content": "This is really cool, but isn’t it still, indirectly, computer generated graphics? :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146989",
"author"... | 1,760,373,941.432053 | ||
https://hackaday.com/2019/05/04/how-to-build-a-small-metal-furnace-at-home/ | How To Build A Small Metal Furnace At Home | Lewin Day | [
"Tool Hacks"
] | [
"cement",
"concrete",
"furnace"
] | Casting is a great way to make your own custom metal parts. However, casting requires some manner of furnace capable of generating high enough temperatures to melt the metal in question. Few of us have these just lying around, but never fear.
It’s possible to build a basic gas-powered furnace at home, with commonly ava... | 14 | 9 | [
{
"comment_id": "6146986",
"author": "e",
"timestamp": "2019-05-04T15:18:26",
"content": "I thought concrete spalled quite predictably at high temperatures, i.e. over 700C/1500F or so; refractory cement, refractory bricks or a fireclay and grog mixture is likely to cope with the temperatures much be... | 1,760,373,941.377616 | ||
https://hackaday.com/2019/05/04/rotary-phone-gets-bluetooth-upgrade/ | Rotary Phone Gets Bluetooth Upgrade | Lewin Day | [
"Phone Hacks"
] | [
"phone",
"rotary dial",
"rotary dialling",
"rotary phone"
] | Rotary dial phones have a certain romantic charm about them; something never quite captured in the post-Touch Tone era. With landline phone services less popular than ever, these old workhorses aren’t really cut out for daily use anymore. However, with a modern brain transplant,
they can still get the job done just fin... | 7 | 5 | [
{
"comment_id": "6146958",
"author": "Cargo Cult",
"timestamp": "2019-05-04T09:38:05",
"content": "For producing the appropriate voltages at the necessary AC frequency for driving an old-style ringer, there are off-the-shelf components to do just that. I used a PowerDsine ringing generator off eBay ... | 1,760,373,941.212219 | ||
https://hackaday.com/2019/05/03/swiss-cheese-metamaterial-is-an-analog-computer/ | Swiss Cheese Metamaterial Is An Analog Computer | Al Williams | [
"Science"
] | [
"analog computing",
"fredholm",
"Metamaterial"
] | If you have had trouble with ordinary calculus, you may not be pleased to hear about “photonic calculus” — a recent idea from [Nader Engheta] of the University of Pennsylvania. The idea is that materials with certain properties could manipulate an electromagnetic wave in a way to solve a specific mathematical equation.... | 17 | 9 | [
{
"comment_id": "6146936",
"author": "Robert Mateja",
"timestamp": "2019-05-04T05:33:11",
"content": "Like soviet integrator -analog- run on waterhttps://www.smithsonianmag.com/smart-news/computer-1949-runs-water-180953482/https://en.wikipedia.org/wiki/Water_integrator",
"parent_id": null,
"... | 1,760,373,942.215505 | ||
https://hackaday.com/2019/05/03/full-earth-disc-images-from-goes-17-harvested-by-sdr/ | Full Earth Disc Images From GOES-17 Harvested By SDR | Richard Baguley | [
"Radio Hacks"
] | [
"satellite",
"sdr",
"weather satellite"
] | We’ve seen lots of hacks about capturing weather images from the satellites whizzing over our heads, but this nicely written how-to from [Eric Sorensen] takes a different approach. Rather than capturing images from polar satellites that pass overhead a few times a day, this article looks at
capturing images from GOES-1... | 10 | 6 | [
{
"comment_id": "6146923",
"author": "ew",
"timestamp": "2019-05-04T02:09:09",
"content": "Difficult to point to a geostationary satellite? Dish TV? What? Maybe a little more challenge with a geosynchronous or molniya orbit but not a geostationary.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,373,942.112105 | ||
https://hackaday.com/2019/05/03/add-a-bit-of-soviet-era-super-computing-to-your-fpga/ | Add A Bit Of Soviet-Era Super-Computing To Your FPGA | Maya Posch | [
"FPGA",
"Retrocomputing"
] | [
"besm-6",
"soviet computing",
"supercomputer",
"SystemVerilog"
] | The
MESM-6 project
is focused on bringing the 1960s Soviet BESM-6 computer to the modern age of FPGAs and HDLs. At the moment the team behind this preservation effort consists out of
[Evgeniy Khaluev]
, [Serge Vakulenko] and [Leo Broukhis], who are covering the efforts on the Russian-language
project page
.
The
BESM-6
... | 11 | 5 | [
{
"comment_id": "6146911",
"author": "Alexander Wikström",
"timestamp": "2019-05-03T23:54:10",
"content": "I wonder if it would get better performance if the C formation of it because a more cray like shape instead.That is if its max processing speed is limited by the latency of the connections. Oth... | 1,760,373,942.066342 | ||
https://hackaday.com/2019/05/03/play-tetris-on-a-transistor-tester-because-why-not/ | Play Tetris On A Transistor Tester, Because Why Not? | Bryan Cockfield | [
"Microcontrollers",
"Tool Hacks"
] | [
"arduino",
"atmega",
"LCR meter",
"microcontroller",
"programming",
"tetris",
"Transistor Tester"
] | [Robson] had been using the same multimeter since he was 15. It wasn’t a typical multimeter, either. He had programmed it to also play the Google Chrome jumping dinosaur game, and also used it as a badge at various conferences. But with all that abuse, the ribbon cable broke and he set about on other projects. Like thi... | 4 | 3 | [
{
"comment_id": "6146895",
"author": "Gregg Eshelman",
"timestamp": "2019-05-03T21:33:56",
"content": "Robson Courto, that’s really close to the name of a character in Ian McDonald’s Luna trilogy. There’s a Robson Corta in those books.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,941.880966 | ||
https://hackaday.com/2019/05/06/led-matrix-and-a-phototransistor-make-a-reverse-camera/ | LED Matrix And A Phototransistor Make A Reverse Camera | Dan Maloney | [
"LED Hacks"
] | [
"Arduino Uno",
"matrix",
"phototransistor",
"raster",
"scanning",
"sensor",
"shift register",
"TIL78"
] | A digital camera has an array of sensors that captures light reflected or transmitted onto it. This build is something closer to a reverse camera – a single sensor that makes images on a matrix of LEDs. And we think it’s pretty neat.
We have to admit to being a little confused by [marciot]’s
LED matrix scanner
when we ... | 12 | 8 | [
{
"comment_id": "6147437",
"author": "Dheera Venkatraman",
"timestamp": "2019-05-06T20:30:07",
"content": "Cool project. I *highly* *highly* recommend you read more into the subject of compressed sensing. Instead of raster scanning pixel by pixel, you can scan in another basis, e.g. discrete cosine ... | 1,760,373,942.15605 | ||
https://hackaday.com/2019/05/06/insert-coin-cell-to-play-ledcade/ | Insert Coin (Cell) To Play LedCade | Roger Cheng | [
"Arduino Hacks",
"Games",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"8x8",
"arduino",
"atmega328",
"game cabinet",
"LED array"
] | In this era of 4K UHD game console graphics and controllers packed full of buttons, triggers, and joysticks, it’s good to occasionally take a step back from the leading edge. Take a breath and remind ourselves that we don’t always need all those pixels and buttons to have some fun. The
LedCade
is a μ (micro) arcade gam... | 3 | 2 | [
{
"comment_id": "6147421",
"author": "Peter Misenko",
"timestamp": "2019-05-06T19:37:37",
"content": "I also recommend to look athttps://hackaday.io/project/164736-retro-game-console-with-cpu-on-fake-sd-cards",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61... | 1,760,373,941.924848 | ||
https://hackaday.com/2019/05/06/x-rays-are-the-next-frontier-in-space-communications/ | X-Rays Are The Next Frontier In Space Communications | Dan Maloney | [
"Hackaday Columns",
"Slider",
"Space"
] | [
"bandwidth",
"collimation",
"communications",
"microwave",
"photelectrons",
"photocathode",
"satellite",
"space",
"spacecraft",
"target",
"tungsten",
"uv",
"x-ray"
] | Hundreds of years from now, the story of humanity’s inevitable spread across the solar system will be a collection of engineering problems solved, some probably in heroic fashion. We’ve already tackled a lot of these problems in our first furtive steps into the wider galaxy. Our engineering solutions have taken humans ... | 90 | 23 | [
{
"comment_id": "6147378",
"author": "Bill",
"timestamp": "2019-05-06T17:11:37",
"content": "I don’t understand the advantage here. Yes, higher frequencies can carry higher data rates, but the data rates for interplanetary probes are limited by the narrow bandwidth needed to give a good signal to no... | 1,760,373,942.55282 | ||
https://hackaday.com/2019/05/06/marketing-and-selling-hardware-hack-chat/ | Marketing And Selling Hardware Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"business",
"design for manufacture",
"dfm",
"marketing",
"plan",
"production",
"promotion",
"sales",
"selling",
"The Hack Chat"
] | Join us Wednesday at noon Pacific time for the
Marketing and Selling Hardware Hack Chat
with Shawn Hymel!
It may not be every hardware hacker’s dream, but a fair number of us harbor fantasies of thinking up the Next Big Thing and kissing the day job goodbye forever. It’s an understandable dream and a laudable goal, but... | 14 | 2 | [
{
"comment_id": "6147359",
"author": "Ren",
"timestamp": "2019-05-06T16:11:07",
"content": "Thanks for using real money instead of Benchoff Bucks in the banner photo!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6147407",
"author": "Dan Maloney",
... | 1,760,373,942.412883 | ||
https://hackaday.com/2019/05/06/nintendos-cardboard-piano-becomes-a-real-working-instrument/ | Nintendo’s Cardboard Piano Becomes A Real Working Instrument | Lewin Day | [
"Nintendo Hacks"
] | [
"Labo",
"nintendo",
"nintendo labo",
"Nintendo Switch",
"synth",
"synthesizer"
] | Nintendo’s LABO piano is a strange kind of instrument. Hewn out of cardboard and used in combination with some advanced software, it’s entirely passive, with all the sound generation and smarts coming from the Switch console which slots into the body. [Simon the Magpie] decided that this simply wouldn’t do,
and set abo... | 5 | 3 | [
{
"comment_id": "6147357",
"author": "Ren",
"timestamp": "2019-05-06T16:09:04",
"content": "As an erstwhile piano student, seeing him trying make those cardboard keys work was painful.How is the LABO keyboard supposed to work?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,942.257521 | ||
https://hackaday.com/2019/05/06/a-million-zombie-taxis-by-2020-its-not-going-to-happen/ | A Million Zombie Taxis By 2020? It’s Not Going To Happen | Jenny List | [
"Business",
"car hacks",
"Current Events",
"Original Art"
] | [
"Elon Musk",
"self-driving car",
"taxi"
] | The tech world has a love for Messianic figures, usually high-profile CEOs of darling companies whose words are hung upon and combed through for hidden meaning, as though they had arrived from above to our venture-capital-backed prophet on tablets of stone. In the past it has been Steve Jobs or Bill Gates, now it seems... | 51 | 20 | [
{
"comment_id": "6147323",
"author": "Tegwyn☠Twmffat",
"timestamp": "2019-05-06T14:54:24",
"content": "Maybe he’s gonna send another 999,999 teslas into space?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6147326",
"author": "Roberto Burke",
"timesta... | 1,760,373,942.35767 | ||
https://hackaday.com/2019/05/06/color-tunable-leds-open-up-possibilities-of-configurable-semiconductors/ | Color-Tunable LEDs Open Up Possibilities Of Configurable Semiconductors | Inderpreet Singh | [
"News"
] | [
"GaN",
"led",
"materials",
"research",
"substrate"
] | The invention of the blue LED was groundbreaking enough to warrant a Nobel prize. For the last decade, researchers have been trying to take the technology to the next level by controlling the color of emission while the device is in operation. In a
new research paper, by the guys over Osaka University, Lehigh Universit... | 26 | 12 | [
{
"comment_id": "6147272",
"author": "milord",
"timestamp": "2019-05-06T11:31:03",
"content": "The name is Planck, correct please",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6147278",
"author": "Antron Argaiv",
"timestamp": "2019-05-06T12:... | 1,760,373,942.622018 | ||
https://hackaday.com/2019/05/02/innovative-bird-feeder-design-recycles-recyclings-garbage/ | Innovative Bird Feeder Design Recycles Recycling’s Garbage | Donald Papp | [
"green hacks"
] | [
"bird feeder",
"dfm",
"green",
"industrial design",
"injection molding",
"plastic",
"re-use",
"recycling",
"waste"
] | Recycling beverage cartons isn’t 100% efficient. The process yields some unusable garbage as a byproduct. Why? Because containers like juice boxes are mostly paper, but also contain plastic and aluminum. The recycling process recovers the paper fibers for re-use, but what’s left after that is a mixture of plastic rejec... | 17 | 8 | [
{
"comment_id": "6146738",
"author": "ThisGuy",
"timestamp": "2019-05-03T08:14:00",
"content": "But how much energy is required to recycle the material? And how many hazardous chemicals does the material leach after recycling? Those are the big problems with recycling many plastics. It takes massive... | 1,760,373,942.678526 | ||
https://hackaday.com/2019/05/02/raspberry-pi-streams-music-using-only-the-default-linux-tools/ | Raspberry Pi Streams Music Using Only The Default Linux Tools | Bryan Cockfield | [
"Linux Hacks",
"Software Hacks"
] | [
"free",
"linux",
"music",
"pulseaudio",
"raspberry pi",
"script",
"software",
"streaming",
"systemd",
"unix"
] | Getting a home music streaming system off the ground is typically a straightforward task. Using Apple devices with Airplay makes this task trivial, but if you’re a computing purist like [Connor] who runs a Linux machine and wants to keep it light on extra packages, the task gets complicated quickly. His goal is to
bri... | 13 | 8 | [
{
"comment_id": "6146694",
"author": "nik282000",
"timestamp": "2019-05-03T04:48:58",
"content": "Minidlna is my goto. Most “smart” devices will detect it and let you stream audio or video files as if they were local to the device. The only stumbling point I have found is that my very old files are ... | 1,760,373,942.79553 | ||
https://hackaday.com/2019/05/02/kicad-gets-banana-for-scale/ | KiCad Gets Banana For Scale | Brian Benchoff | [
"Software Hacks"
] | [
"banana",
"banana for scale",
"KiCAD"
] | Over the years we’ve seen KiCad grow from a niche, somewhat incomplete, but Open Source PCB design suite to a full-featured extravaganza of schematics and board layouts. We’ve plumbed the depths of keys and kais and queues and quays, and KiCad just
had its first conference
last weekend. While we wait for the rest of th... | 38 | 18 | [
{
"comment_id": "6146637",
"author": "Pablo",
"timestamp": "2019-05-02T23:09:02",
"content": "This feels about 31 days late",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6146639",
"author": "scott.tx",
"timestamp": "2019-05-02T23:12:07",
"content"... | 1,760,373,942.932909 | ||
https://hackaday.com/2019/05/02/auto-trickler-gently-doles-out-powder-to-assist-reloading/ | Auto-Trickler Gently Doles Out Powder To Assist Reloading | Dan Maloney | [
"Weapons Hacks"
] | [
"grains",
"gunpowder",
"node.js",
"powder",
"raspberry pi",
"reloading",
"scale",
"vibration"
] | Do you even trickle?
[Eric] does, and like everything else about reloading, trickling is serious business. Getting an exact charge of powder to add to a cartridge is not a simple task, and very tedious when done manually.
This smartphone-controlled auto-trickler
is intended to make the job easier, safer, and more preci... | 41 | 10 | [
{
"comment_id": "6146609",
"author": "tekkieneet",
"timestamp": "2019-05-02T20:35:23",
"content": "Probably much better off moving the 2nd paragraph to the 1st. No one has any idea what you are writing about until the 2nd paragraph.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,943.222113 | ||
https://hackaday.com/2019/05/02/a-mainframe-tape-drive-emulator/ | A Mainframe Tape Drive Emulator | Lewin Day | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"mainframe",
"pertec",
"tape"
] | Retro computer fans come in all shapes and sizes. Some like the big name machines from the dawn of the home computer era, others like collecting quirky pieces like early laptops and handheld devices. Even more obscure are those who choose to collect old mainframe hardware. This can be challenging, due to its relative o... | 19 | 9 | [
{
"comment_id": "6146596",
"author": "Jonathan Bennett",
"timestamp": "2019-05-02T19:19:02",
"content": "The computer restoration scene is brimming with these impressive feats. Marc, Carl, and Ken Sherrif have showcased some similar wizardry. I look forward to the eventual stories about hacking toge... | 1,760,373,942.991952 | ||
https://hackaday.com/2019/05/02/how-to-mapping-server-hits-with-esp8266-and-ws2812/ | How-To: Mapping Server Hits With ESP8266 And WS2812 | Pedro Umbelino | [
"Hackaday Columns",
"how-to",
"LED Hacks",
"Microcontrollers",
"Slider"
] | [
"ESP8266",
"geoip",
"led map",
"ledstrip",
"scapy",
"ws2812b"
] | It has never been easier to build displays for custom data visualization than it is right now. I just finished one for my office — as a security researcher I wanted a physical map that will show me from where on the planet my server is being attacked. But the same fabrication techniques, hardware, and network resources... | 17 | 8 | [
{
"comment_id": "6146568",
"author": "Ren",
"timestamp": "2019-05-02T17:16:03",
"content": "Nice,I got me thinking,put a paper World Map over the face of a large screen television (some are going cheap nowadays) and display dots on the screen through one of the data ports to glow through the paper.... | 1,760,373,943.15017 | ||
https://hackaday.com/2019/05/02/creating-a-touch-pad-without-dedicated-hardware/ | Creating A Touch Pad Without Dedicated Hardware | Lewin Day | [
"classic hacks"
] | [
"capacitive sensing",
"capacitive touch"
] | Year on year, microcontrollers and development platforms are shipping with ever-increasing feature sets. In the distant past, if you wanted an analog to digital converter or a PWM driver, you had to tack extra ICs on to your design. Nowadays, it’s all baked in at the factory. Of course, you may still find yourself work... | 5 | 5 | [
{
"comment_id": "6146558",
"author": "Electra",
"timestamp": "2019-05-02T16:43:00",
"content": "While not /quite/ as sensitive, if you only want to touch through something like a window(few mm), every single AVR based Arduino has a ‘dedicated’ touch sensor built in, in the form of the QTouchADC/QTo... | 1,760,373,943.263662 | ||
https://hackaday.com/2019/05/03/low-power-weather-station-blows-the-competition-away/ | Low Power Weather Station Blows The Competition Away | Bryan Cockfield | [
"green hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"low power",
"microcontroller",
"Monitoring",
"weather",
"weather station",
"wind"
] | Building a weather station isn’t too tall of an order for anyone getting into an electronics project. There are plenty of plans online, and you can even put your station on Weather Underground if it meets certain standards. These usually have access to a reliable source of power, though, and like any electronics projec... | 10 | 4 | [
{
"comment_id": "6146857",
"author": "Ren",
"timestamp": "2019-05-03T18:53:23",
"content": "Just curious about the prices of the “professional” sensors.I would really like to have a set up like this, but there are a number of tall trees on my property, so I just use temp/humidity/rain guage.",
"... | 1,760,373,943.320965 | ||
https://hackaday.com/2019/05/03/new-part-day-lynxmotion-smart-servos/ | New Part Day: Lynxmotion Smart Servos | Roger Cheng | [
"Hackaday Columns",
"Robots Hacks",
"Slider"
] | [
"continuous rotation servo",
"hobby servo",
"lynxmotion",
"rc servo",
"serial",
"serial control",
"serial interface",
"servo",
"servo control",
"servo motor"
] | Anyone who shops for robotics kits would have come across a few designed by Lynxmotion. They’ve been helping people build robots since 1995, from robot arm kits to hexapod chassis and everything in between. We would expect these people know their motors, so when they launched
their own line of servo motors called Lynxm... | 33 | 16 | [
{
"comment_id": "6146887",
"author": "McNugget",
"timestamp": "2019-05-03T20:53:40",
"content": "Agreed. It feels like they are targeting the upper class newcomer makers who are looking for an easy to use servo. Smarts? RGBLED? Human readable serial? I’ll pass. Looks cool but probably won’t do well ... | 1,760,373,943.400567 | ||
https://hackaday.com/2019/05/03/hackaday-podcast-017-are-cheap-microcontrollers-worth-it-android-on-your-bike-plus-food-printers-and-coffee-bots/ | Hackaday Podcast 017: Are Cheap Microcontrollers Worth It? Android On Your Bike. Plus Food Printers And Coffee Bots | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"3d printed food",
"Bicopter",
"bike computer",
"emulator",
"Hackaday Podcast",
"PMS150c",
"smartwatch",
"zapper"
] | Join Editors Mike Szczys and Elliot Williams as they recount a week of fascinating hacks. We take a good look at the PMS150C, a microcontroller that literally costs pennies but can only be flashed once. SNES emulators have a new trick up their sleeves to make low-def a lot less low, and you retro enthusiasts will eithe... | 5 | 3 | [
{
"comment_id": "6146828",
"author": "Alex Rossie",
"timestamp": "2019-05-03T16:31:21",
"content": "Another great cast.Can the background music during the intro be killed or made significantly more background?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,373,943.445763 | ||
https://hackaday.com/2019/05/03/the-cloak-of-invisibility-against-image-recognition/ | The Cloak Of Invisibility Against Image Recognition | Inderpreet Singh | [
"computer hacks",
"Science"
] | [
"Adversarial attacks",
"cnn",
"convolutional neural network",
"deep learning",
"image recognition",
"neural network"
] | Adversarial attacks are not something new to the world of Deep Networks used for image recognition. However, as the research with Deep Learning grows, more flaws are uncovered. The team at the University of KU Leuven in Belgium have demonstrated how, by simple using
a colored photo held near the torso of a man can rend... | 15 | 8 | [
{
"comment_id": "6146820",
"author": "mike",
"timestamp": "2019-05-03T15:51:20",
"content": "Cut to new regulations being implemented on what designs can be on your t-shirt if you want to travel through an airport.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,373,943.49886 | ||
https://hackaday.com/2019/05/03/get-to-know-the-physics-behind-soldering-and-the-packaging-of-ics/ | Get To Know The Physics Behind Soldering And The Packaging Of ICs | Maya Posch | [
"Featured",
"Original Art",
"Science",
"Skills"
] | [
"flux",
"rosin",
"rosin flux",
"solder joints",
"soldering"
] | Often it feels as if soldering is deemed to be more of an art form than something that’s underpinned by the cold, hard reality of physics and chemistry. From organic chemistry with rosin, to the material properties of fragile gold bond wires and silicon dies inside IC packages and the effects of thermal stress on the d... | 22 | 11 | [
{
"comment_id": "6146807",
"author": "Alexander Wikström",
"timestamp": "2019-05-03T14:36:47",
"content": "I myself tend to aim at keeping solder temperatures fairly low. Usually around the 250-300 C area.Though, the problem of rosin boiling away can be fixed by adding an excess of rosin to start wi... | 1,760,373,943.568613 | ||
https://hackaday.com/2019/05/03/custom-monitor-for-pi-powered-commodore-64/ | Custom Monitor For Pi-Powered Commodore 64 | Rich Hawkes | [
"Raspberry Pi",
"Retrocomputing"
] | [
"Combian 64",
"commodore",
"commodore 1702",
"commodore 64",
"emulators",
"raspberry pi"
] | Classic games never seem to have gone out of style and with the emulation powers of the Raspberry Pi, there seems to be no end of projects folks have been coming up with. [Chris Mills] project is a great looking monitor to get his Commodore 64 fix by combining the retro looks of a
home-made 64-style monitor
with the Ra... | 2 | 2 | [
{
"comment_id": "6146782",
"author": "Jan",
"timestamp": "2019-05-03T13:36:22",
"content": "fun project!But regarding “Classic games never seem to have gone out of style”, the word classic actually means that this is the case. Like classic music that goes never out of style, classic paintings, class... | 1,760,373,943.609683 | ||
https://hackaday.com/2019/05/03/fortran-goes-interactive/ | Fortran Goes Interactive | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"FORTRAN",
"jupyter"
] | When you think of Fortran you probably think of punched cards and green bar paper. While it is true that Fortran isn’t the go-to language it used to be — pun unintentional — it still has a vibrant community of people who do serious number crunching. However, many members of that community have been seduced away by inte... | 8 | 7 | [
{
"comment_id": "6146769",
"author": "Ren",
"timestamp": "2019-05-03T13:17:59",
"content": "I for one, welcome our new (again) FORTRAN overlords!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6146775",
"author": "Chris",
"timestamp": "2019-05-03T13:27... | 1,760,373,943.824905 | ||
https://hackaday.com/2019/05/02/twenty-five-years-since-the-end-of-commodore/ | Twenty Five Years Since The End Of Commodore | Brian Benchoff | [
"Featured",
"History",
"News",
"Slider"
] | [
"C64 Direct-to-TV",
"commodore",
"computer history",
"history",
"pet",
"QVC"
] | This week marks the twenty-five year anniversary of the demise of Commodore International. This weekend, pour one out for our lost homies.
Commodore began life as a corporate entity in 1954 headed by Jack Tramiel. Tramiel, a Holocaust survivor, moved to New York after the war where he became a taxi driver. This job led... | 81 | 41 | [
{
"comment_id": "6146520",
"author": "Doug Leppard",
"timestamp": "2019-05-02T14:16:23",
"content": "C64 was a fun machine.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146625",
"author": "Esahc Returns (@HiSpeed_Chase)",
"timestamp": "201... | 1,760,373,944.06722 | ||
https://hackaday.com/2019/05/02/a-raspberry-pi-is-a-hardware-hackers-swiss-army-knife/ | A Raspberry Pi Is A Hardware Hacker’s Swiss Army Knife | Bryan Cockfield | [
"Raspberry Pi"
] | [
"communications",
"gpio",
"how-to",
"i2c",
"jtag",
"raspberry pi",
"spi"
] | By now most of us have used a Raspberry Pi at some level or another. As a headless server it’s a great tool because of its price point, and as an interface to the outside world the GPIO pins are incredibly easy to access with a simple Python script. For anyone looking for guidance on using this device at a higher level... | 33 | 9 | [
{
"comment_id": "6146468",
"author": "Alan",
"timestamp": "2019-05-02T11:31:58",
"content": "If only there was a version that could “hack” higher speed interfaces:PCI Express,USB 3.0,SATA, andJESD204would be helpful",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,373,943.899405 | ||
https://hackaday.com/2019/05/02/simple-self-contained-lora-repeater-in-about-an-hour/ | Simple, Self-Contained LoRa Repeater In About An Hour | Donald Papp | [
"Arduino Hacks",
"Wireless Hacks"
] | [
"arduino",
"high-altitude",
"high-altitude ballooon",
"LoRa",
"repeater",
"wireless"
] | [Dave Akerman]’s interest in high-altitude projects means he is no stranger to long-range wireless communications, for which LoRa is amazingly useful. LoRa is a method of transmitting at relatively low data rates with low power over long distances.
Despite LoRa’s long range, sometimes the transmissions of a device (lik... | 5 | 3 | [
{
"comment_id": "6146440",
"author": "Jim",
"timestamp": "2019-05-02T08:19:04",
"content": "How about making a crossband repeater with Gotenna Mesh?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146514",
"author": "J O",
"timestamp": "2019-... | 1,760,373,943.946836 | ||
https://hackaday.com/2019/05/01/marvelously-machined-clutch-masters-musical-marble-machine-mayhem/ | Marvelously Machined Clutch Masters Musical Marble Machine Mayhem | Lewin Day | [
"Musical Hacks"
] | [
"marble machine",
"marble run",
"marbles",
"wintergatan"
] | As far as marble runs go, few can hope to compete with [Wintergatan]’s amazing musical works. While undertaking the build of the Marble Machine X, timing problems became apparent. You can crank the machine faster or slower to alter the tempo, but the time it took marbles to drop due to gravity and hit an awaiting drum ... | 29 | 9 | [
{
"comment_id": "6146435",
"author": "Kristjan K.",
"timestamp": "2019-05-02T07:36:03",
"content": "The marble machine X is seriously one of the most underrated series on YouTube. Beautiful to see the machine slowly coming to be.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,944.18652 | ||
https://hackaday.com/2019/05/01/creating-a-contest-winning-amiga-demo-soundtrack/ | Creating A Contest-Winning Amiga Demo Soundtrack | Lewin Day | [
"Retrocomputing"
] | [
"amiga",
"demoscene",
"protracker"
] | The Amiga platform took the world by storm in the 1980s. Developed by a crack team and brought to market by Commodore, the OCS chipset brought high-quality graphics and sound into the home computer market in a way never seen before. These capabilities cemented the Amiga’s place in the demoscene, and it maintains an act... | 11 | 8 | [
{
"comment_id": "6146417",
"author": "Nick",
"timestamp": "2019-05-02T06:23:11",
"content": "Woah, simply amazing! Very tasteful :) Makes me eager to find an A500 somewhere just to see it running",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6146421",
"au... | 1,760,373,944.113957 | ||
https://hackaday.com/2019/05/01/drone-registration-tax-sought-by-uks-caa/ | Drone Registration Tax Sought By UK’s CAA | Jenny List | [
"drone hacks",
"News"
] | [
"drone",
"multirotor",
"uk"
] | As the UK’s aviation regulator, the Civil Aviation Authority is tasked with “making aviation better for those who choose to fly and those who do not”. Their latest plan to further this mission comes in the form of
a drone registration tax
. The proposal, which is open to online responses until 7 June, seeks to pass on ... | 54 | 17 | [
{
"comment_id": "6146381",
"author": "Dj Biohazard",
"timestamp": "2019-05-01T23:10:20",
"content": "Considering how the UK is doing lately, it’s not that surprising.They probably need the money.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6146384",
"au... | 1,760,373,944.391851 | ||
https://hackaday.com/2019/05/01/scratch-built-smartwatch-looks-pretty-darn-sharp-with-3d-printed-case-and-round-lcd/ | Scratch Built Smartwatch Looks Pretty Darn Sharp With 3D Printed Case And Round LCD | Lewin Day | [
"Wearable Hacks"
] | [
"ble",
"bluetooth low energy",
"smartwatch"
] | These days, if you want a smart watch, you’re spoiled for choice. The major smartphone players all have devices on the market, and there’s plenty of third party manufacturers vying for your dollar, too. You might think it’s impossible achieve the same finish with a 3D printer and a reflow oven, but you’re wrong. [Samso... | 30 | 10 | [
{
"comment_id": "6146342",
"author": "Chris",
"timestamp": "2019-05-01T20:43:01",
"content": "Really nice work on every front. From the photos, I totally thought he carved the case from wood, until it was mentioned that he used wood-filled PLA. I’d love to play with one of those round LCD screens ... | 1,760,373,944.569958 | ||
https://hackaday.com/2019/04/30/mit-cryptographers-are-no-match-for-a-determined-belgian/ | MIT Cryptographers Are No Match For A Determined Belgian | Jenny List | [
"computer hacks"
] | [
"cryptography",
"CSAIL",
"Ronald Rivest",
"time capsule"
] | Twenty years ago, a cryptographic puzzle was included in the construction of a building on the MIT campus. The structure that houses what is now MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) includes a time capsule designed by the building’s architect, [Frank Gehry]. It contains artifacts relate... | 9 | 6 | [
{
"comment_id": "6146197",
"author": "rewolff",
"timestamp": "2019-05-01T06:59:57",
"content": "Quiz question;Who said: Moore’s law will tail off in 5 years or so when we hit the physical limitations of computing. But such a statement might sound ridiculous five years from now. And why didn’t he act... | 1,760,373,944.438816 | ||
https://hackaday.com/2019/04/30/3d-printing-a-water-jet-drive/ | 3D Printing A Water Jet Drive | Lewin Day | [
"classic hacks"
] | [
"brushless",
"brushless motor",
"jet boat",
"water jet",
"water jet engine",
"waterjet"
] | [Ivan Miranda] is always experimenting with 3D printing, and recently has been taking his work on the water. His latest creation is a racing paddle boat, but its performance left [Ivan] with a need for speed.
Cue the development of the 3D printed water jet engine
(YouTube link, embedded below).
The basic principle of o... | 16 | 9 | [
{
"comment_id": "6146144",
"author": "RW ver 0.0.1",
"timestamp": "2019-04-30T23:20:17",
"content": "Neat, wonder if it will scale up a tad to slap one on the bottom of yer canoe.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146332",
"author": "AJ... | 1,760,373,944.49085 | ||
https://hackaday.com/2019/04/30/camera-sees-electromagnetic-interference-using-an-sdr-and-machine-vision/ | Camera Sees Electromagnetic Interference Using An SDR And Machine Vision | Dan Maloney | [
"Tool Hacks",
"Wireless Hacks"
] | [
"augmented reality",
"camera",
"electromagnetic compatibility",
"electromagnetic interference",
"emc",
"emi",
"heat map",
"machine vision",
"opencv",
"RF",
"sdr"
] | It’s one thing to know that your device is leaking electromagnetic interference (EMI), but if you really want to solve the problem, it might be helpful to know
where
the emissions are coming from.
This heat-mapping EMI probe
will answer that question, with style. It uses a webcam to record an EMI probe and the overlay ... | 10 | 7 | [
{
"comment_id": "6146137",
"author": "RP",
"timestamp": "2019-04-30T22:45:36",
"content": "This could be the basis for a bluetooth device and a phone App to find wires in walls. Also for an improved “toner” system like the ones used for tracing phone and ethernet cables.",
"parent_id": null,
... | 1,760,373,944.644716 | ||
https://hackaday.com/2019/04/30/a-stylish-low-part-count-non-contact-thermometer/ | A Stylish Low Part Count Non-Contact Thermometer | Tom Nardi | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2019 Hackaday Prize",
"attiny2313",
"bubble display",
"IR thermometer",
"MLX90614",
"non-contact"
] | A non-contact thermometer is a pretty common tool these days, and one that most of us probably have kicking around the lab. You can grab them online for as little as $10 USD, and while they’re nowhere near as capable as a thermal camera, they certainly have their uses. But even with their increased availability, there ... | 15 | 7 | [
{
"comment_id": "6146096",
"author": "Ostracus",
"timestamp": "2019-04-30T18:48:36",
"content": "What about the laser sensors?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146101",
"author": "Ren",
"timestamp": "2019-04-30T19:17:45",
... | 1,760,373,944.712021 | ||
https://hackaday.com/2019/04/30/kicad-community-shines-at-first-ever-kicon/ | KiCad Community Shines At First Ever KiCon | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"Hardware Happy Hour",
"KiCAD",
"KiCon",
"pumping station: one",
"Wayne Stambaugh"
] | Last weekend was
KiCon
, a gathering of hardware developers from all over the world who use KiCad open source EDA software. This included many of the software engineers who drive development, people who use KiCad in their business, and those who simply love it for being a professional quality tool available for anyone ... | 22 | 7 | [
{
"comment_id": "6146092",
"author": "kdev",
"timestamp": "2019-04-30T18:34:55",
"content": "Correction: The MCU has 1MB of *flash*, not RAM. It has 160kB of embedded SRAM, which is still quite good but nowhere near 1MB.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,373,944.889647 | ||
https://hackaday.com/2019/04/30/opengl-shaders-and-an-led-cube/ | OpenGL Shaders And An LED Cube | Jenny List | [
"LED Hacks",
"Raspberry Pi"
] | [
"LED cube",
"opengl",
"OpenGL shader",
"raspberry pi"
] | Back in February at the Hacker Hotel camp in the Netherlands, among the many pieces of work around the venue was
a rather attractive LED cube
. Very pretty, but LED cubes have been done many times before.
If a casual attendee had taken the time to ask though, they might have found something a little more interesting, f... | 8 | 5 | [
{
"comment_id": "6146149",
"author": "mike",
"timestamp": "2019-04-30T23:50:48",
"content": "What no video of it in action!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146176",
"author": "NoseyNick",
"timestamp": "2019-05-01T03:59:45",
... | 1,760,373,944.759426 | ||
https://hackaday.com/2019/04/30/teardown-refuel-propane-tank-monitor/ | Teardown: Refuel Propane Tank Monitor | Tom Nardi | [
"Featured",
"Slider",
"Teardown"
] | [
"digital scales",
"Electric Imp",
"PIC16F1823",
"potting",
"Quirky",
"smart home",
"Wink"
] | Regular Hackaday readers will know that the clearance section of your local big box retailer is a great place to pick up oddball gadgets and gizmos for dirt cheap. In an era where manufacturers are rushing to make their products “smart” whether they need to be or not, the occasional ideas which fail to gain traction ar... | 61 | 23 | [
{
"comment_id": "6146011",
"author": "jcwren",
"timestamp": "2019-04-30T14:11:00",
"content": "The moment I saw “the flashing light of your smartphone’s screen”, I figured it had an Electric Imp in it. I used one of those for my attic squirrel trap monitor.",
"parent_id": null,
"depth": 1,
... | 1,760,373,944.994731 | ||
https://hackaday.com/2019/05/01/jumbo-leds-make-for-a-handy-attiny-beacon/ | Jumbo LEDs Make For A Handy ATtiny Beacon | Tom Nardi | [
"ATtiny Hacks",
"LED Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"attiny10",
"cr2032",
"DLC-6SRD",
"flasher"
] | Inspiration can come from anywhere. Sometimes it’s just a matter of seeing an interesting part that you want to fiddle around with badly enough that you end up developing a whole idea, and potentially product, around it. That’s how
[Bobricius] found himself creating this very slick little warning beacon
, and looking a... | 3 | 3 | [
{
"comment_id": "6146358",
"author": "Eric Chapin",
"timestamp": "2019-05-01T21:35:13",
"content": "Radio Shack had 20mm LED with 12 pins that worked like 6 LEDs in a single dome. Came in red and green. I got a few from one store that was going out of business. It is probably rebranded Kingbright L... | 1,760,373,944.810869 | ||
https://hackaday.com/2019/05/01/this-week-in-security-facebook-hacked-your-email-cyber-on-the-power-grid-and-a-nasty-zero-day/ | This Week In Security: Facebook Hacked Your Email, Cyber On The Power Grid, And A Nasty Zero-day | Jonathan Bennett | [
"car hacks",
"computer hacks",
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"breach",
"computer security",
"hack",
"password",
"security",
"This Week in Computer Security"
] | Ah, Facebook. Only you could mess up email verification this badly, and still get a million people to hand over their email address passwords. Yes, you read that right, Facebook’s email verification scheme was to ask users for their email address and email account password. During the verification,
Facebook automatical... | 33 | 12 | [
{
"comment_id": "6146314",
"author": "Perry Harrington",
"timestamp": "2019-05-01T17:20:42",
"content": "The Facebook thing has been obvious for YEARS. LinkedIn does EXACTLY the same thing. In case it’s not obvious, people in your “extended network” or “your contact” are people that gave Facebook/... | 1,760,373,946.781929 | ||
https://hackaday.com/2019/05/01/the-vintage-computer-festival-east-is-happening-this-weekend/ | The Vintage Computer Festival East Is Happening This Weekend | Brian Benchoff | [
"cons",
"News"
] | [
"New Jersey",
"VCF",
"VCF East"
] | This weekend is the premier vintage computer meetup on the East Coast.
It’s VCF East
, and it’s all going down this weekend, Friday to Sunday afternoon, in Wall, New Jersey.
2019 is a fantastic year for computer history, being the 50th anniversary of Unix, and the 40th anniversary of Atari. For that, there will be exhi... | 18 | 7 | [
{
"comment_id": "6146315",
"author": "Doc Oct",
"timestamp": "2019-05-01T17:40:28",
"content": "Well, it’s a US event.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146316",
"author": "Andy Pugh",
"timestamp": "2019-05-01T17:45:02",
... | 1,760,373,946.702722 | ||
https://hackaday.com/2019/05/01/the-stratolaunch-is-flying-but-can-it-do-cargo/ | The Stratolaunch Is Flying, But Can It Do Cargo? | Brian Benchoff | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"Antonov AN225",
"cargo container",
"cargo plane",
"Stratolaunch"
] | The world’s largest aircraft is flying.
Stratolaunch took to the skies
in test flights leading up to its main mission to take rockets up to 20,000 feet on the first stage of their flight to space. But the Stratolaunch is a remarkable aircraft, a one-of-a-kind, and unlike anything ever built before. It can lift a massiv... | 32 | 11 | [
{
"comment_id": "6146277",
"author": "Ostracus",
"timestamp": "2019-05-01T14:10:05",
"content": "Surprised no one’s tried a dirigible platform. They lift too, and sometimes it’s heavy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146290",
"author"... | 1,760,373,946.638422 | ||
https://hackaday.com/2019/05/01/parasite-attiny-resets-your-esp32-for-you/ | Parasite ATtiny Resets Your ESP32 For You | Lewin Day | [
"classic hacks"
] | [
"ESP32"
] | Embedded development can be a tough process. Between weird electrical gremlins, obscure bugs and our own mistakes, it can be a real struggle at times. To keep cognitive loads to a minimum, it’s best to make sure your tools are as simple and easy to use as possible. [tech] got tired of having to push a button to prepare... | 28 | 14 | [
{
"comment_id": "6146237",
"author": "marble",
"timestamp": "2019-05-01T11:49:22",
"content": "Or the Arduino IDE could make use of the RTS and DTR pins…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146240",
"author": "lukilukeskywalker",
... | 1,760,373,946.84448 | ||
https://hackaday.com/2019/05/01/battlebots-to-the-skies/ | Battlebots To The Skies! | Bryan Cockfield | [
"drone hacks"
] | [
"Battle",
"battlebots",
"delft",
"drone",
"robot",
"royale",
"university"
] | If you’re too young to remember Battlebots on the television, there are two things that you should know. First is that there are plenty of highlights of this epic robot battle royale on YouTube, and the second is that now there’s an even better version with drones instead of robots merely confined to land. It’s called
... | 10 | 4 | [
{
"comment_id": "6146215",
"author": "Bob",
"timestamp": "2019-05-01T09:07:12",
"content": "Battlebots is alive and well",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6146227",
"author": "Generic Human",
"timestamp": "2019-05-01T10:51:19",
"conten... | 1,760,373,947.152849 | ||
https://hackaday.com/2019/04/30/a-physical-knob-for-browser-tabs/ | A Physical Knob For Browser Tabs | Brian Benchoff | [
"Arduino Hacks",
"computer hacks"
] | [
"arduino",
"firefox",
"thinkpad",
"X220"
] | If you’re like most of us, you have about twenty browser tabs open right now. What if there were a way to move through those tabs with a physical interface?
That’s what [Zoe] did, and it’s happening with the best laptop ever made.
The hardware for this build is simply an Arduino and a rotary encoder, no problem there. ... | 35 | 15 | [
{
"comment_id": "6146184",
"author": "NSFW",
"timestamp": "2019-05-01T05:55:36",
"content": "I wonder if you could have the Arduino send Ctrl-PageUp, Ctrl-PageDown over the USB connection.Then it would work with pretty much any browser, no extensions necessary.",
"parent_id": null,
"depth": ... | 1,760,373,947.023009 | ||
https://hackaday.com/2019/04/29/ask-hackaday-is-usb-robust-enough/ | Ask Hackaday: Is USB Robust Enough? | Mike Szczys | [
"Hackaday Columns",
"hardware",
"Original Art",
"Slider"
] | [
"Isolation",
"usb",
"USB killer"
] | Earlier this month a single person pleaded guilty to taking down some computer labs at a college in New York. This was not done by hacking into them remotely, but by plugging a USB Killer in one machine at a time. This malicious act caused around $58,000 in damage to 66 machines, using a device designed to overload the... | 60 | 24 | [
{
"comment_id": "6145808",
"author": "yetihehe",
"timestamp": "2019-04-29T17:07:16",
"content": "> “Use a USB hub” is bad advice for protection at the workbench since quality of design varies so wildly.Yep, fried one computer acciddentally connecting 230AC to usb. It was through hub. Only ssd surviv... | 1,760,373,947.306414 | ||
https://hackaday.com/2019/04/29/ai-at-the-edge-hack-chat/ | AI At The Edge Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"ai",
"artificial intelligence",
"edge",
"Jatson",
"machine learning",
"nano",
"NVIDIA",
"robotics",
"The Hack Chat"
] | Join us Wednesday at noon Pacific time for the
AI at the Edge Hack Chat
with John Welsh from NVIDIA!
Machine learning was once the business of big iron like IBM’s Watson or the nearly limitless computing power of the cloud. But the power in AI is moving away from data centers to the edge, where IoT devices are doing th... | 4 | 2 | [
{
"comment_id": "6145793",
"author": "Ostracus",
"timestamp": "2019-04-29T16:06:09",
"content": "” But the power in AI is moving away from data centers to the edge, where IoT devices are doing things once unheard of. ”Electric Dreams (1984).",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,947.198974 | ||
https://hackaday.com/2019/04/29/easter-egg-turns-nintendo-switch-into-a-development-platform/ | Easter Egg Turns Nintendo Switch Into A Development Platform | Al Williams | [
"Games",
"Software Hacks"
] | [
"Nintendo Switch",
"ruby"
] | Like a lot of game developers [Amir Rajan] likes to put Easter Eggs into his creations. His latest Nintendo Switch title,
A Dark Room
, has a very peculiar one, though. Instead of a graphic or a Tetris game, [Amir] put a code editor and a Ruby interpreter in the game.
Ruby is a language that originated in Japan and is ... | 5 | 3 | [
{
"comment_id": "6145788",
"author": "Europe",
"timestamp": "2019-04-29T15:56:21",
"content": "Ninetendo is no longer just a childrens toy!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145810",
"author": "Francis Theodore Catte",
"timestamp": "2019... | 1,760,373,947.34646 | ||
https://hackaday.com/2019/04/29/lockheed-wants-to-build-the-next-lunar-lander/ | Lockheed Wants To Build The Next Lunar Lander | Brian Benchoff | [
"Featured",
"News",
"Space"
] | [
"lockheed",
"Lockheed Martin",
"lunar lander"
] | The United States is going back to the moon, and it’s happening sooner than you would think.
NASA is going back to the moon in 2024
, and they might just have the support of Congress to do so.
Getting to the moon is one thing, and since SpaceX launched a car to the asteroid belt, this future of boots on the moon after ... | 39 | 16 | [
{
"comment_id": "6145760",
"author": "Henk7",
"timestamp": "2019-04-29T14:05:10",
"content": "2024? That’s already not sooner than i thought.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6146061",
"author": "Chris",
"timestamp": "2019-04-30... | 1,760,373,947.101718 | ||
https://hackaday.com/2019/04/29/bike-computer-exploration-uncovers-a-hidden-android/ | Bike Computer Exploration Uncovers A Hidden Android | Tom Nardi | [
"Android Hacks",
"Network Hacks"
] | [
"android",
"bike computer",
"mediatek",
"mitmproxy",
"system on chip"
] | As a happy side-effect of the smartphone revolution, the world is now awash with tiny computers that are incredibly cheap thanks to the nearly unfathomable volumes in which their components are manufactured. There wouldn’t be a $10 Raspberry Pi Zero if the billions of smartphones that were pumped out before it hadn’t d... | 30 | 14 | [
{
"comment_id": "6145730",
"author": "Happy Man",
"timestamp": "2019-04-29T11:13:39",
"content": "This makes me happy :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145735",
"author": "Shannon",
"timestamp": "2019-04-29T11:54:36",
"content": "W... | 1,760,373,947.420727 | ||
https://hackaday.com/2019/04/29/reverse-engineering-an-insulin-pump-with-an-sdr-and-decapping/ | Reverse Engineering An Insulin Pump With An SDR And Decapping | Jenny List | [
"Medical Hacks"
] | [
"insulin pump",
"loop",
"omnipod"
] | Insulin pumps are a medical device used by people with diabetes to automatically deliver a measured dose of insulin into their bloodstream. Traditionally they have involved a canula and separate connected pump, but more recent models have taken the form of a patch with a pump mounted directly upon it. When [Pete Schwam... | 31 | 7 | [
{
"comment_id": "6145707",
"author": "Karl",
"timestamp": "2019-04-29T08:10:32",
"content": "I’ve been threatening to make an automated drinking game out of these. Fill ’em up with ethanol and snag the captioning feed from, say, the State of the Union. When key words are mentioned, send a bolus pack... | 1,760,373,947.909148 | ||
https://hackaday.com/2019/04/28/3d-printing-with-multiple-soluble-filaments/ | 3D Printing With Multiple Soluble Filaments | Tom Nardi | [
"3d Printer hacks",
"Art"
] | [
"3D printed mold",
"3D printed supports",
"dissolve",
"hips",
"HydroFill",
"water soluble"
] | Complex 3D-printed designs often require the use of an automatically generated support structure around them for stability. While this enables some truly incredible results, it adds considerable time and cost to the printing process. Plus there’s the painstaking process of removing all the support material without dama... | 12 | 7 | [
{
"comment_id": "6145688",
"author": "Sam",
"timestamp": "2019-04-29T07:08:31",
"content": "ABS or HIPS will dissolve in Acetone many times faster than HIPS will dissolve in D-Limonene. Probably doesn’t solve the toxic disposal issue, but should make the process much smoother.",
"parent_id": nul... | 1,760,373,947.829154 | ||
https://hackaday.com/2019/04/28/emulate-a-paper-tape-to-be-life-and-soul-of-the-cyphercon-party/ | Emulate A Paper Tape, To Be Life And Soul Of The Cyphercon Party | Jenny List | [
"cons"
] | [
"Cyphercon",
"paper tape",
"tape emulator"
] | The recent Cyphercon badge featured a very clever integrated paper tape reader, and had the hidden feature of a party mode in which all its lights would flash. When [Gigawatts] discovered this after the conference had ended, it was too late to find the tape to activate it. The solution?
Build a tape emulator
with a mic... | 0 | 0 | [] | 1,760,373,947.668583 | ||
https://hackaday.com/2019/04/28/hackaday-links-april-28-2019/ | Hackaday Links: April 28, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"KiCon",
"lego",
"moog",
"Moog Matriarch",
"Soyus",
"space tourist",
"space tourists"
] | Lego is releasing a series of Braille bricks
. As near as we can tell, these Braille bricks are standard 2 x 4 bricks, with studs corresponding to Braille letters on the top. There are also screen/pad printed legends on top. I don’t mean to be a downer, but why, exactly, is this being created
now
? Did it really take f... | 19 | 10 | [
{
"comment_id": "6145653",
"author": "Arduino Enigma",
"timestamp": "2019-04-28T23:22:58",
"content": "“12/15 One man in the Mezensky district built a fence around his grave out of boats he created from space metal.”So many questions…",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,373,947.772005 | ||
https://hackaday.com/2019/04/28/a-retro-handheld-console-as-they-used-to-be-made/ | A Retro Handheld Console As They Used To Be Made | Jenny List | [
"Games"
] | [
"breakout",
"console",
"handheld console",
"tennis for two"
] | Before there were Nintendo Switches, there were Game Boys. And before that there were all the successive generations of Game Boys and other consoles right back to the Game and Watch, and then those handheld Simon and Space Invaders games of the late 1970s. These devices typically packed a 4-bit microcontroller and an a... | 4 | 2 | [
{
"comment_id": "6145639",
"author": "Gilles fetis",
"timestamp": "2019-04-28T20:59:45",
"content": "Reminds me the 1978 mb microvision that used a 16×16 lcd screen",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6145659",
"author": "Alan Kilian",
... | 1,760,373,947.711301 | ||
https://hackaday.com/2019/04/28/cold-plasma-torch-produces-a-cleansing-flame-that-never-consumes/ | Cold Plasma Torch Produces A Cleansing Flame That Never Consumes | Dan Maloney | [
"Misc Hacks"
] | [
"Argon",
"electron",
"electron temperature",
"flyback",
"high voltage",
"ion",
"ionization",
"plasma",
"RF"
] | It’s basically a lightsaber. Except smaller. And with an invisible blade. And cold to the touch. But other than that,
this homebrew cold plasma torch
(YouTube, embedded below) is just like the Jedi’s choice in elegant weaponry.
Perhaps we shouldn’t kid [Justin] given how hard he worked on this project – seventeen proto... | 20 | 7 | [
{
"comment_id": "6145620",
"author": "Piecutter",
"timestamp": "2019-04-28T18:19:59",
"content": "Please add UV reactive dye or film to the tip of the capillary tube as an indicator of successful ionization. Perhaps a tube of transparent UV reactive plastic a bit wider than the capillary tube that w... | 1,760,373,948.017231 | ||
https://hackaday.com/2019/04/28/a-chrome-extension-for-configuring-rgb-leds/ | A Chrome Extension For Configuring RGB LEDs | Tom Nardi | [
"Arduino Hacks",
"LED Hacks"
] | [
"chrome",
"neopixel",
"RGB LED",
"ws2811",
"ws2812"
] | Like pretty much all of us, [Andy Schwarz] loves RGB LEDs. Specifically he likes to put them on RC vehicles, such as navigation lights on airplanes or flashers and headlights on cars. He found himself often rewriting very similar Arduino code for each one of these installations, and eventually decided he could save him... | 6 | 3 | [
{
"comment_id": "6145593",
"author": "Markus",
"timestamp": "2019-04-28T14:49:40",
"content": "Strangely, the Chrome add in is missing now from the store…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6145610",
"author": "Andy Schwarz",
"tim... | 1,760,373,947.957355 | ||
https://hackaday.com/2019/04/28/femtobeacon-is-a-tiny-esp32-coin-shaped-dev-board/ | FemtoBeacon Is A Tiny ESP32 Coin-Shaped Dev Board | Jenny List | [
"Microcontrollers"
] | [
"development board",
"ESP32",
"microcontroller"
] | Our single board microcontroller platforms have become smaller over the years, from the relatively large classic Arduino and Beagleboard form factors of a decade ago to the postage stamp sized Feather and ESP boards of today. But just how small can they go? With current components, [Femtoduino] think they’ve cracked it... | 21 | 5 | [
{
"comment_id": "6145569",
"author": "femtoduino",
"timestamp": "2019-04-28T11:23:51",
"content": "Ack! Sorry, my apologies! I meant 9mm radius! It’s the size of a US dime, 18mm diameter. My mistake. IveI updated the Hackaday.io project description.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,373,948.217172 | ||
https://hackaday.com/2019/04/28/electromechanical-youtube-sub-counter-trades-clicks-for-clacks/ | Electromechanical YouTube Sub Counter Trades Clicks For Clacks | Kristina Panos | [
"classic hacks",
"Misc Hacks"
] | [
"electromechanical display",
"h-bridge",
"subscribers",
"youtube"
] | Acquiring a new YouTube subscriber is a blessed event that deserves far more fanfare than a phone notification. But maybe blinkenlights don’t really do it for you anymore, or you simply prefer to be soothed sonically rather than visually. Well, what could be more satisfying than the crisp
clack
of an electromechanical ... | 11 | 7 | [
{
"comment_id": "6145543",
"author": "Alex Rossie",
"timestamp": "2019-04-28T08:05:22",
"content": "That title tho 👌🏽",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145576",
"author": "Rpol",
"timestamp": "2019-04-28T12:26:32",
"content": "Nice ... | 1,760,373,948.063959 | ||
https://hackaday.com/2019/04/30/fritzing-is-back-and-this-time-its-written-in-javascript/ | Fritzing Is Back, And This Time It’s Written In JavaScript! | Brian Benchoff | [
"News"
] | [
"fritzing"
] | Fritzing has been stuck in the mud for just over a year now. There were no updates for many months, and members of the community wondered what was going on. Now, things might be turning around: Fritzing is being rebooted by community members,
and there’s a roadmap of upcoming features
.
The biggest takeaway from the Gi... | 55 | 12 | [
{
"comment_id": "6145973",
"author": "James",
"timestamp": "2019-04-30T11:20:00",
"content": "Err, from the most recent updates to the very ticket the article linked to…> We were able to find developers proficient in C++ and QT, so Fritzing will stick to these technologies.I think Javascript is off ... | 1,760,373,948.308193 | ||
https://hackaday.com/2019/04/30/hacking-a-cheap-ebay-frequency-counter/ | Hacking A Cheap EBay Frequency Counter | Lewin Day | [
"classic hacks"
] | [
"firmware",
"frequency counter",
"photo tachometer",
"phototachometer",
"pic",
"PIC16F628",
"tachometer"
] | eBay is a wondrous land, full of Star Wars memorabilia in poor condition, old game consoles at insane markups, and a surprising amount of DIY electronics. [TheHWCave] found himself tinkering with a common frequency counter kit,
and decided to make a few choice improvements along the way (Youtube link, embedded below).
... | 5 | 1 | [
{
"comment_id": "6145954",
"author": "onebiozz",
"timestamp": "2019-04-30T08:07:55",
"content": "A helpful addition that I find too few counters have are a total count and a rolling countSo often I just want to count the total number of events or counts per second and have to get creative with integ... | 1,760,373,948.354663 | ||
https://hackaday.com/2019/04/29/3d-printing-a-lifting-body-aircraft/ | 3D Printing A Lifting Body Aircraft | Lewin Day | [
"3d Printer hacks",
"classic hacks"
] | [
"aircraft",
"lifting body",
"radio control",
"rc"
] | When you think of unconventional aircraft, flying wings have had plenty of time in the sun over the last few decades. With striking designs like the B-2 Spirit and F-117A Nighthawk on the flight line, it’s no surprise. The lifting body never really caught on, however, and it languishes in ignominy to this day. Despite ... | 17 | 4 | [
{
"comment_id": "6145937",
"author": "gregg4",
"timestamp": "2019-04-30T05:08:51",
"content": "I beg your pardon Lewin?Look up the X-24 family. Also the X-37 and the Space Shuttle who made use of the work on the X-24 family members. Our government also designed scads of other designs as well. Take a... | 1,760,373,948.407045 | ||
https://hackaday.com/2019/04/29/benchmarking-a-garbage-disposal-using-the-3dbenchy-tugboat/ | Benchmarking A Garbage Disposal Using The 3DBenchy Tugboat | Ted Yapo | [
"3d Printer hacks"
] | [
"3d prining",
"3dbenchy",
"filament extruder",
"garbage disposal",
"recycling",
"tugboat"
] | We’ve always had a love-hate relationship with 3DBenchy, the tugboat-shaped 3D printer calibration target. On one hand, it’s incredibly useful to have a common, widely used, and challenging benchmark object to evaluate printer performance and improve tuning, but we’d somehow like to get back the countless frustrated ho... | 8 | 6 | [
{
"comment_id": "6145921",
"author": "Nadia Mayer",
"timestamp": "2019-04-30T02:11:29",
"content": "burn Benchy burn ÒwÓ",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145927",
"author": "LordNothing",
"timestamp": "2019-04-30T02:44:52",
"content"... | 1,760,373,948.457248 | ||
https://hackaday.com/2019/04/29/build-a-plotter-using-scrap-dvd-drives/ | Build A Plotter Using Scrap DVD Drives | Lewin Day | [
"cnc hacks"
] | [
"cd drive",
"cnc",
"dvd drive",
"optical drive",
"pen plotter",
"plotter"
] | Building your own CNC machine can present a series of varied challenges. There are the software considerations, but also the mechanical side of things – motors, shafts, screws and slides all need to be addressed in a working design. Of course, you can always outsource some of the work –
and that’s precisely what [Danie... | 17 | 11 | [
{
"comment_id": "6145922",
"author": "makerwolf",
"timestamp": "2019-04-30T02:12:59",
"content": "It’s funny how this guy goes through the effort of adding trim and other nice touches, but when it comes to critical angles and dimensions he just eyeballs it. Can’t argue with the results though, seems... | 1,760,373,948.519167 | ||
https://hackaday.com/2019/04/29/flying-sticks-are-now-a-thing/ | Flying Sticks Are Now A Thing | Lewin Day | [
"drone hacks"
] | [
"Bicopter",
"flying",
"flying stick",
"multirotor"
] | Fixed-wing planes and helicopters are no longer the darling of the RC world. Even quadcopters and other multirotors are starting to look old hat, as the community looks to ever more outrageous designs. [rctestflight] has slimmed things down to the extreme with this coaxial bicopter build,
also known as the Flying Stick... | 24 | 14 | [
{
"comment_id": "6145871",
"author": "Comedicles",
"timestamp": "2019-04-29T20:36:04",
"content": "Oh wow! This can only mean that the “explanations” of flying rods were faked. Also that time travel is possible.https://www.youtube.com/watch?v=amnNgXRK_voAside from that, very cool.",
"parent_id":... | 1,760,373,948.669229 | ||
https://hackaday.com/2019/04/29/esp32-adds-bluetooth-to-gamecube-controllers/ | ESP32 Adds Bluetooth To GameCube Controllers | Tom Nardi | [
"Nintendo Hacks"
] | [
"2019 Hackaday Prize",
"bluetooth",
"ESP32",
"gamecube",
"nintendo"
] | While it might not be the most traditional design, there’s no debating that Nintendo created something truly special when they unleashed the GameCube controller on an unsuspecting world back in 2001. Hardcore fans are still using the controller to this day with current-generation Nintendo consoles, and there’s consider... | 6 | 4 | [
{
"comment_id": "6145889",
"author": "Nathan",
"timestamp": "2019-04-29T22:22:57",
"content": "Thanks for the love!Here’s my code if you want to try it with your own esp32 and controller:https://github.com/NathanReeves/BlueCubeMod-Nate",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,948.606202 | ||
https://hackaday.com/2019/04/27/putting-some-smarts-into-an-electric-car-charger/ | Putting Some Smarts Into An Electric Car Charger | Tom Nardi | [
"car hacks",
"green hacks"
] | [
"charger",
"electric car",
"IFTTT",
"particle photon",
"relay"
] | Many electric cars feature a timer capability that allows the owner to set which hours they want the vehicle to start pulling a charge. This lets the thrifty EV owner take advantage of the fact that the cost of electricity generally goes down late at night when the demand is lower. The Renault Zoe that [Ryan Walmsley] ... | 22 | 4 | [
{
"comment_id": "6145546",
"author": "Matt",
"timestamp": "2019-04-28T08:53:45",
"content": "Umm great learning experience for you and all that, well done for getting it to work.But why not just use a timer where it plugs into mains? You know, like those $5 ones from your local big box store.Also I ... | 1,760,373,948.740076 | ||
https://hackaday.com/2019/04/27/this-owner-took-control-of-their-proprietary-alarm-system/ | This Owner Took Control Of Their Proprietary Alarm System | Jenny List | [
"home hacks"
] | [
"Brinks",
"home security",
"reverse engineering",
"security"
] | When a tip comes in and the tipster feels they have to reassure us that despite appearances their subject is not facilitating crime, it certainly gets our attention. [Flam2006] has a Brinks home security system which can only be configured using a special device only available to installers, and though they managed to ... | 22 | 12 | [
{
"comment_id": "6145516",
"author": "Scott McGimpsey",
"timestamp": "2019-04-28T03:22:58",
"content": "HA! I have that security panel AND I’ve already started tapping into the sensors around the house! Oh [Flam2006], you’ve made me a very happy hacker today!",
"parent_id": null,
"depth": 1,... | 1,760,373,948.79897 | ||
https://hackaday.com/2019/04/27/this-3d-scanner-is-your-ticket-to-photogrammetry/ | This 3D Scanner Is Your Ticket To Photogrammetry | Brian Benchoff | [
"3d Printer hacks"
] | [
"3d scanner",
"3d scanning",
"OpenScan"
] | It seems 3D printers have been around for ages and still we don’t have a good solution for turning physical 3D objects into digital ones. Yes, 3D scanners exist,
but the OpenScan is the best 3D scanner we’ve seen
. It’s a 3D printed device meant to take pictures of an object that can then be used by photogrammetry soft... | 20 | 9 | [
{
"comment_id": "6145494",
"author": "LordNothing",
"timestamp": "2019-04-27T23:54:41",
"content": "my experience with photogrammetric scanner rigs has always been that i get inferior results to just moving the camera around the object. the rig i built just rotated the object and elevated and aimed ... | 1,760,373,948.986922 | ||
https://hackaday.com/2019/04/27/magnets-versus-laundry-detergent/ | Magnets Versus Laundry Detergent | Brian McEvoy | [
"home hacks"
] | [
"citizen science",
"clean",
"detergent",
"laundry",
"magnets",
"scientific method"
] | Soap cleans clothes better than magnets
. There, we are spoiling the ending so don’t accuse us of clickbaiting. The funny thing is that folks believe this is plausible enough to ask magnets experts so often that they dedicate a blog entry to comparing magnets and soap. Since you already know how this ends, let’s talk a... | 31 | 15 | [
{
"comment_id": "6145471",
"author": "Feinfinger",
"timestamp": "2019-04-27T20:26:45",
"content": "Perhaps the magnets need to be fine tuned to the current mood of the turtle carrying the earth?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6145542",
... | 1,760,373,948.897505 | ||
https://hackaday.com/2019/04/27/how-much-wood-can-a-woodpecker-chuck/ | How Much Wood Can A Woodpecker Chuck? | Kerry Scharfglass | [
"Tool Hacks"
] | [
"3d printer",
"cheap mill",
"cnc",
"CNC mill",
"CNC.js",
"limit switch",
"mill"
] | It’s probably clear to a Hackaday reader that we live in a golden era for hobbyist tool accessibility. Cheap single board computers can be bought at any neighborhood
RadioShack or Maplin
. 3D printers sell fully assembled and ready to run for less than $200. Even the humble CNC mill has come down the price curve, thoug... | 15 | 6 | [
{
"comment_id": "6145461",
"author": "Moryc",
"timestamp": "2019-04-27T18:03:10",
"content": "I had 3018 Woodpecker CNC for a month. I sold it because it\\s not a very good machine. It had at least GRBL 1.1 controller, which is a good thing.`But there are things one can do to make it at least a bit ... | 1,760,373,949.048534 | ||
https://hackaday.com/2019/04/27/use-a-3d-printer-to-electrospin-textiles/ | Use A 3D Printer To Electrospin Textiles | Jenny List | [
"3d Printer hacks"
] | [
"3d printed textiles",
"composites",
"electrospinning"
] | We are all used to desktop 3D printers that extrude molten plastic in layers to build up finished items. A pair of researchers at the Human-Computer Interaction Institute at Carnegie Mellon University, [Michael Rivera] and [Scott Hudson], have added another capability to their printer:
electrospinning of textiles
.
Ele... | 12 | 5 | [
{
"comment_id": "6145476",
"author": "johnrpm",
"timestamp": "2019-04-27T21:18:53",
"content": "I am pleased to see this research into electrospinning, I have long felt that this would be ideal for assistive technology.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,373,949.158997 | ||
https://hackaday.com/2019/04/27/driving-a-16x2-lcd-with-voltage-modulation/ | Driving A 16×2 LCD With Voltage Modulation | Tom Nardi | [
"Arduino Hacks",
"hardware"
] | [
"16x2 LCD",
"backpack",
"lcd",
"modulation",
"mosfet",
"uart"
] | The basic 16×2 LCD is an extremely popular component that we’ve seen used in more projects than we could possibly count. Part of that is because modern microcontrollers make it so easy to work with; if you’ve got an I2C variant of the display, it only takes four wires to drive it. That puts printing a line of text on o... | 18 | 8 | [
{
"comment_id": "6145411",
"author": "Moryc",
"timestamp": "2019-04-27T11:11:58",
"content": "It’s like 1-Wire protocol for higher-power devices. Quite interesting…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145414",
"author": "elmesito",
"timesta... | 1,760,373,949.107092 | ||
https://hackaday.com/2019/04/27/junkbox-midi/ | Junkbox MIDI | Brian McEvoy | [
"how-to",
"Musical Hacks"
] | [
"dj",
"midi",
"music",
"musical instruments",
"protocol",
"sound"
] | Do you ever peer into the void…of your hardware scrap box? It may be a wonderland of parts with near-infinite potential, and they just need to be assembled and depending on what you hoard, programmed. Access to a laser engraver doesn’t hurt either. The
stuff in [Mr. Sobolak]’s bin
is cooler than average, at least by Ha... | 0 | 0 | [] | 1,760,373,949.19451 | ||
https://hackaday.com/2019/04/26/snes-mode-7-gets-an-hd-upgrade/ | SNES Mode 7 Gets An HD Upgrade | Jonathan Bennett | [
"Nintendo Hacks"
] | [
"Mode 7",
"snes",
"SNES emulator"
] | Emulating SNES games hits us right in the nostalgic feels, but playing SNES games on an 1920×1080 monitor is a painful reminder of the limitations of SNES hardware. [DerKoun] felt the same consternation, and
decided to do something about it
. He realized that some SNES games have much higher resolution textures that we... | 9 | 5 | [
{
"comment_id": "6145356",
"author": "gregkennedy",
"timestamp": "2019-04-27T05:20:02",
"content": "The explanation is somewhat off here. What’s actually happening is greater oversampling on the Mode-7 texture prior to transformation. So when performing an arbitrary rotation, instead of each pixel... | 1,760,373,949.346863 | ||
https://hackaday.com/2019/04/26/the-no-cpu-computer-gets-a-c-compiler/ | The No-CPU Computer Gets A C Compiler | Brian Benchoff | [
"classic hacks"
] | [
"c compiler",
"c++",
"gigatron",
"LCC"
] | C is the most perfect language and it will run on anything.
It will even run on a computer without a CPU
.
The computer in question here is the
Gigatron
, a fully-functional ‘home computer’ the likes of which you would find in the late 70s and early 80s, complete with a VGA output. What makes the Gigatron exceptional i... | 24 | 12 | [
{
"comment_id": "6145351",
"author": "cnlohr",
"timestamp": "2019-04-27T04:24:18",
"content": "This is a thing that entertains me greatly. I really hope this is continued.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145352",
"author": "Dan Marinescu",
... | 1,760,373,949.408747 | ||
https://hackaday.com/2019/04/26/making-a-three-cent-microcontroller-useful/ | Making A Three Cent Microcontroller Useful | Brian Benchoff | [
"News"
] | [
"microcontroller",
"PMS150c"
] | The Padauk PMS150C is a terrible microcontroller. There are only six pins, there’s only one kiloword of Flash, 64 bytes of RAM, and it doesn’t do multiplication. You can only write code to this chip once, and the IDE uses 8-bit ints. [Anders] got his hands on some of these chips and decided to do something useful with ... | 47 | 12 | [
{
"comment_id": "6145313",
"author": "eternityforest",
"timestamp": "2019-04-26T23:12:22",
"content": "The same company has the 15 cent PFS154 that can be reprogrammed. Super cool.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6145340",
"author": "M... | 1,760,373,949.490164 | ||
https://hackaday.com/2019/04/26/a-chandelier-guaranteed-to-make-some-retro-game-hardware-collectors-wince/ | A Chandelier Guaranteed To Make Some Retro Game Hardware Collectors Wince | Jenny List | [
"home hacks",
"Nintendo Hacks"
] | [
"chandelier",
"nes",
"NES lightgun",
"nintendo"
] | If there’s one thing our community is good at, it’s re-imagining redundant old hardware, particularly in the field of classic gaming consoles and their peripherals. Dead consoles have become new ones, Powergloves have ventured into virtual reality, and light guns, well,
they’ve become novelty light fittings
.
The [JJGa... | 14 | 4 | [
{
"comment_id": "6145288",
"author": "Luke",
"timestamp": "2019-04-26T21:00:27",
"content": "You know, there will be a time when 3D printing becomes so good that retro hardware loses its point because you can just make an identical item that you can’t tell from the original. After that, owning somet... | 1,760,373,949.538621 | ||
https://hackaday.com/2019/04/26/resistance-is-futile-you-want-this-led-cube/ | Resistance Is Futile, You Want This LED Cube | Tom Nardi | [
"LED Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"atmega 328p",
"LED cube",
"MAX7219",
"smd"
] | We’re suckers for a good desk toy here at Hackaday,
so this 2019 Hackaday Prize entry from [Jack Flynn] certainly caught our eye
. The idea is that by using professionally manufactured dual layer PCBs and only surface mount components, you can create a cube that has an LED matrix on each face and all of the electronics... | 26 | 9 | [
{
"comment_id": "6145260",
"author": "forthprgrmr",
"timestamp": "2019-04-26T18:49:56",
"content": "Use a Qi charger.Program/control over BLE.Use an accelerometer (hit the cube) to turn it on.Then “only” have leds on output sides.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,949.607349 | ||
https://hackaday.com/2019/04/26/parametric-amplifiers-and-varactors/ | Parametric Amplifiers And Varactors | Al Williams | [
"Engineering",
"Hackaday Columns"
] | [
"parametric amplifier",
"varactor"
] | It is hard to imagine a time without active amplification. However, if you go back far enough, radio communications started in an era where generating RF required something like a spark gap and reception was only possible if the signal was strong enough at the antenna — like with a crystal radio. It would be a few year... | 9 | 8 | [
{
"comment_id": "6145255",
"author": "Art Mezins",
"timestamp": "2019-04-26T18:11:50",
"content": "A varactor is most commonly used as a variable capacitance, not as a parametric amplifier, often requiring more than one in parallel for higher total capacitance. Where I worked, they were also used to... | 1,760,373,949.660582 | ||
https://hackaday.com/2019/04/26/hackaday-podcast-016-3d-printing-with-steel-molding-with-expanded-foam-quip-package-parts-and-aged-solder/ | Hackaday Podcast 016: 3D Printing With Steel, Molding With Expanded Foam, QUIP-Package Parts, And Aged Solder | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"3d printing",
"expanding foam",
"Hackaday Podcast",
"microfluidics",
"mold making",
"polyurethane",
"robotic lawnmower"
] | Join Editors Elliot Williams and Mike Szczys to recap the week in hardware hacking. This episode looks at microfluidics using Shrinky Dinks, expanding foam to build airplane wings, the insidious effect of time on component solder points, and Airsoft BBs used in 3D printing. Finishing out the episode we have an intervie... | 3 | 2 | [
{
"comment_id": "6145285",
"author": "LordNothing",
"timestamp": "2019-04-26T20:42:13",
"content": "you can have my antique solder when you pry it out of my cold dead hands.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145350",
"author": "CMH62",
"t... | 1,760,373,949.772654 | ||
https://hackaday.com/2019/04/26/a-farmers-guide-to-technology/ | A Farmer’s Guide To Technology | Bryan Cockfield | [
"green hacks"
] | [
"agriculture",
"Bunnie Huang",
"farm",
"gardening",
"hackerfarm",
"lab",
"plants",
"sustainability",
"technology"
] | One of the hardest aspects of choosing a career isn’t getting started, it’s keeping up. Whether you’re an engineer, doctor, or even landscaper, there are always new developments to keep up with if you want to stay competitive. This is especially true of farming, where farmers have to keep up with an incredible amount o... | 6 | 3 | [
{
"comment_id": "6145256",
"author": "Brian",
"timestamp": "2019-04-26T18:13:09",
"content": "A subject near and dear to the recesses of my dark heart.If you want to do engineering for agriculture, you are looking at the ‘monoculture’ of large industrial farms in the Canadian and American bread-bask... | 1,760,373,949.715849 | ||
https://hackaday.com/2019/04/26/make-that-special-cup-of-coffee-by-completely-tweaking-the-coffee-machine/ | Make That Special Cup Of Coffee By Completely Tweaking The Coffee Machine | Maya Posch | [
"Featured",
"hardware",
"how-to",
"Slider"
] | [
"automatic coffee machines",
"bmac",
"coffee",
"espresso",
"jura",
"top-tronics"
] | An interesting part of working on the
Building Management and Control
(BMaC) project – as
previously covered
on this site – was the reverse-engineering and ultimately the gaining of full control over the coffee machines at the office. Not the boring filter coffee machines, mind you, but the fully automatic espresso mac... | 39 | 17 | [
{
"comment_id": "6145213",
"author": "Shawn Everson",
"timestamp": "2019-04-26T14:26:13",
"content": "Interesting. I have an Impressa C5 at home. It has worked great for the last 5 years or so. I think that it might be time to do some sniffing and reverse engineering. I just can’t break it or the wi... | 1,760,373,949.871102 | ||
https://hackaday.com/2019/04/26/3d-printer-becomes-soldering-robot/ | 3D Printer Becomes Soldering Robot | Brian Benchoff | [
"3d Printer hacks"
] | [
"soldering",
"soldering robot",
"ts100"
] | What do you do if you have to solder thousands of through-hole parts? The expensive, professional way of doing this is running the boards through a wave soldering machine, or a machine with a fancy CNC solder fountain. The amateur way of soldering thousands of through-hole joints is putting some boards on the workbench... | 48 | 18 | [
{
"comment_id": "6145156",
"author": "David Thijs",
"timestamp": "2019-04-26T11:23:57",
"content": "Impressive!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6145549",
"author": "Thomas",
"timestamp": "2019-04-28T09:08:38",
"content"... | 1,760,373,950.033131 | ||
https://hackaday.com/2019/04/26/reviving-a-casio-scientific-calculator-with-a-cnc-router/ | Reviving A Casio Scientific Calculator, With A CNC Router | Dan Maloney | [
"classic hacks",
"Retrocomputing"
] | [
"card reader",
"casio",
"cnc",
"magnetic",
"optical",
"PRO fx-1",
"programmable calculator",
"router",
"scientific"
] | Before Wolfram Alpha, before the Internet, before even PCs, calculations more complex than what could be accomplished with a “four banger” required some kind of programmable calculator. There were many to choose from, if you had the means, and as time passed they became more and more sophisticated. Some even added offl... | 6 | 3 | [
{
"comment_id": "6145169",
"author": "Olivier",
"timestamp": "2019-04-26T12:07:56",
"content": "Great reverse engineering effort, gotta love old scientific calculators",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6145267",
"author": "Ren",
... | 1,760,373,949.919581 | ||
https://hackaday.com/2019/04/25/raspberry-pi-becomes-the-encrypted-password-keeper-you-need/ | Raspberry Pi Becomes The Encrypted Password Keeper You Need | Brian Benchoff | [
"Raspberry Pi",
"Security Hacks"
] | [
"password",
"password keeper",
"security"
] | Unless you’re one of the cool people who uses the same password everywhere, you might be in need of a hardware device that keeps your usernames and passwords handy. The Passkeeper is a hardware password storage system built on a Raspberry Pi.
It encrypts your passwords
, and only through the magic of a special key fob ... | 51 | 15 | [
{
"comment_id": "6145096",
"author": "Frank",
"timestamp": "2019-04-26T06:22:31",
"content": "“The device will register itself as a network interface in the computer/laptop and will be accessible athttp://10.101.1.1”I almost stopped reading the project description at “HTTP”. Couldn’t find anything o... | 1,760,373,950.150431 | ||
https://hackaday.com/2019/04/25/scientists-create-speech-from-brain-signals/ | Scientists Create Speech From Brain Signals | Al Williams | [
"News",
"Science"
] | [
"deep learning",
"neural network",
"speech",
"speech impairment",
"speech synthesis"
] | One of the things that makes us human is our ability to communicate. However, a stroke or other medical impairment can take that ability away without warning. Although Stephen Hawking managed to do great things with a computer-aided voice, it took a lot of patience and technology to get there. Composing an e-mail or an... | 14 | 8 | [
{
"comment_id": "6145074",
"author": "jafinch78",
"timestamp": "2019-04-26T02:48:15",
"content": "So holistically if we think like a lab equipment life cycle requirements and the human is the lab equipment… we sure don’t have a standardized specification.Basically, one of the methods I thought might... | 1,760,373,950.202691 | ||
https://hackaday.com/2019/04/24/power-measurement-oscilloscope-style/ | Power Measurement Oscilloscope Style | Al Williams | [
"Tool Hacks"
] | [
"AC power",
"oscilloscope"
] | If you want to measure voltage you reach for a voltmeter. Current? An ammeter. Resistance? An ohmmeter. But what about measuring AC power? A watt meter? Usually. But if you know what to do, you could also reach for your oscilloscope. If you don’t know what to do, [Jim Pytel] has the
video answers
for you. Truth is, an ... | 7 | 6 | [
{
"comment_id": "6144655",
"author": "Antron Argaiv",
"timestamp": "2019-04-24T15:56:46",
"content": "Just be aware that precision on these readings sometimes (depends on the manufacturer) varies with the display settings. So make those traces as large as you can (without cutting any of the waveform... | 1,760,373,950.244071 | ||
https://hackaday.com/2019/04/24/3d-printering-the-quest-for-printable-food/ | 3D Printering: The Quest For Printable Food | Tom Nardi | [
"3d Printer hacks",
"cooking hacks",
"Current Events",
"Hackaday Columns",
"Slider"
] | [
"bioprinter",
"Chocolate Printer",
"cooking",
"extruder",
"food printer",
"NovaMeat"
] | A video has been making the rounds on social media recently that shows a 3D printed “steak” developed by a company called NovaMeat. In the short clip, a machine can be seen extruding a paste made of ingredients such as peas and seaweed into a shape not entirely unlike that of a boot sole, which gets briefly fried in a ... | 44 | 19 | [
{
"comment_id": "6144628",
"author": "Ren",
"timestamp": "2019-04-24T14:19:42",
"content": "“So far, it seems like the most headway has been made in ate because it has certain properties not entirely unlike the thermoplastic filament desktop 3D printers are designed for.”What is this “ate” you wrote... | 1,760,373,950.442658 |
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