url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2018/02/28/building-a-portable-solar-powered-spot-welder-charging-supercapacitors/ | Building A Portable Solar Powered Spot Welder: Charging Supercapacitors | Sean Boyce | [
"Featured",
"Misc Hacks",
"Original Art"
] | [
"buck converter",
"diy spot welder",
"ESP8266",
"supercapacitor"
] | Before Lunar New Year, I had ordered two 3000 F, 2.7 V supercapacitors from China for about $4 each. I don’t actually remember why, but they arrived (unexpectedly) just before the holiday.
Supercapacitors (often called ultracapacitors) fill a niche somewhere between rechargeable lithium cells and ordinary capacitors. O... | 48 | 11 | [
{
"comment_id": "4381911",
"author": "Ren",
"timestamp": "2018-02-28T15:06:52",
"content": "Brilliant artwork Joe Kim!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4382035",
"author": "Wretch",
"timestamp": "2018-02-28T18:28:00",
"c... | 1,760,374,465.695529 | ||
https://hackaday.com/2018/02/28/teardown-of-an-uwb-location-beacon/ | Teardown Of An UWB Location Beacon | Christian Trapp | [
"Teardown"
] | [
"indoor location service",
"UWB"
] | Outdoor navigation is a problem that can be considered solved for decades or maybe even centuries, depending on the levels of accuracy, speed and accessibility required. Indoor navigation and location, on the other hand, is a relatively new field and we are still figuring it out. Currently there are at least four compe... | 10 | 5 | [
{
"comment_id": "4381947",
"author": "Ostracus",
"timestamp": "2018-02-28T15:53:08",
"content": "$600, about four years ago. One would hope the technology has come down in price.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4381975",
"author": "Sho... | 1,760,374,465.886711 | ||
https://hackaday.com/2018/02/28/cook-up-your-own-high-temperature-superconductors/ | Cook Up Your Own High-Temperature Superconductors | Dan Maloney | [
"chemistry hacks"
] | [
"barium",
"ceramic",
"Copper Oxide",
"furnace",
"kiln",
"levitate",
"pyrophoric",
"superconductor",
"YBCO",
"yttrium"
] | It looks more like a charcoal briquette than anything, but the black brittle thing at the bottom of [Ben Krasnow]’s crucible is actually a superconducting ceramic that can levitate magnets when it’s sitting in liquid nitrogen. And with [Ben]’s help,
you can make some too
.
Superconductors that can work at the relativel... | 16 | 7 | [
{
"comment_id": "4381521",
"author": "phpcypher",
"timestamp": "2018-02-28T10:24:28",
"content": "The ferrofluid doesn’t work here because the earths gravity/magnetic field is nullified by the K delta (low vibration) of the substrate. Essentially, the substrate is vibrating at n which is a function ... | 1,760,374,465.846289 | ||
https://hackaday.com/2018/02/27/pipecam-shallow-water-exploration-with-raspberry-pi/ | PipeCam: Shallow-Water Exploration With Raspberry Pi | Kristina Panos | [
"Raspberry Pi"
] | [
"camera",
"lead-acid",
"PVC",
"raspberry pi",
"Raspberry Pi 3",
"time lapse camera",
"underwater camera"
] | In what began as a personal challenge he issued to himself,
[Fred] is in the process of building an underwater camera
that’s capable of long-term photography in shallow waters. He’d like it to last about five hours on a charge while taking a photo every five minutes. Ideally, it will be as cheap as possible and constru... | 14 | 3 | [
{
"comment_id": "4381437",
"author": "David",
"timestamp": "2018-02-28T06:42:41",
"content": "Given the stated goals, CHDK on a compatible Cannon camera ($5 at local thrift stores is fairly common, not sure what is available in South Africa) in the same housing would be cheaper and possibly easier.A... | 1,760,374,465.602353 | ||
https://hackaday.com/2018/02/27/software-development-in-bash/ | Software Development In… Bash | Al Williams | [
"Linux Hacks"
] | [
"bash",
"linux",
"shell script"
] | Truly good ideas tend to apply in all situations. The phrase is “never run with scissors”, not “don’t run with scissors unless you are just going into the next room.” Software development methodology is a good idea and most of us have our choice of tools. But what if you are developing a significant amount of bash or s... | 43 | 12 | [
{
"comment_id": "4381339",
"author": "somebody",
"timestamp": "2018-02-28T03:19:02",
"content": "I have started using Python instead of bash and found that I am much happier after the script grows in complexity.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,466.13767 | ||
https://hackaday.com/2018/02/27/lamps-ghostly-glow-benefits-from-happy-mistake/ | Lamp’s Ghostly Glow Benefits From Happy Mistake | Donald Papp | [
"how-to"
] | [
"3d printed",
"glow in the dark",
"glow paint",
"glow powder",
"lantern",
"league of legends",
"thresh",
"trial and error",
"varnish"
] | [cyborgworkshop]’s youngest sister is a fan of a character in a popular video game (
Thresh
from
League of Legends
) who wields an iconic lantern with a mystical green glow. He resolved to
make a replica of that lantern
. Perhaps as a gift for the cherished family member? Certainly not! [cyborgworkshop]’s goal was the ... | 8 | 5 | [
{
"comment_id": "4381249",
"author": "Pirate Tom",
"timestamp": "2018-02-28T00:57:43",
"content": "I don’t really know why, but I will say that is an effect that I’ve witnessed before. I used to be involved in industrial painting, and on occasion, when product was painted with matte clear coat, the... | 1,760,374,465.967428 | ||
https://hackaday.com/2018/02/27/definitive-dog-feeding-with-arduino/ | Definitive Dog Feeding With Arduino | Kristina Panos | [
"Arduino Hacks",
"Lifehacks"
] | [
"arduino",
"dogs",
"led",
"lie detector",
"reed switch"
] | Some dogs have no sense of self-preservation. Given the opportunity, they will eat until they’re sick. It’s up to us humans to both feed them and remember doing it so they aren’t accidentally overfed. In a busy household with young children, the tricky part is the remembering.
[Bryan]’s family feeds their dog Chloe onc... | 3 | 3 | [
{
"comment_id": "4381287",
"author": "NiHaoMike",
"timestamp": "2018-02-28T01:58:10",
"content": "The tendency of animals (including humans!) to eat as much as they could every time the opportunity comes is a survival strategy, to keep a reserve of energy for when supplies run short. That does more ... | 1,760,374,465.923996 | ||
https://hackaday.com/2018/02/26/old-modem-new-internet/ | Old Modem, New Internet. | James Hobson | [
"Raspberry Pi",
"Wireless Hacks"
] | [
"3g",
"fax",
"modem",
"wi-fi",
"zero"
] | Do you remember the screeching of a dial-up modem as it connected to the internet? Do you miss it? Probably not, but [Erick Truter] — inspired by a forum post and a few suggestions later — turned a classic modem into a 3G Wi-Fi hotspot with the ubiquitous
Raspberry Pi Zero
.
Sourcing an old USRobotics USB modem — alleg... | 37 | 17 | [
{
"comment_id": "4380321",
"author": "nino",
"timestamp": "2018-02-27T07:00:26",
"content": "Amazing. That needed an article, to showcase such a wonderful project. Thank you Hackaday, you´re great, please continue publish more amazing hacks and incredibly useful like this !!!",
"parent_id": null... | 1,760,374,466.295185 | ||
https://hackaday.com/2018/02/26/quantifying-latency-in-cheap-rc-transmitters/ | Quantifying Latency In Cheap RC Transmitters | Tom Nardi | [
"drone hacks",
"hardware",
"Radio Hacks"
] | [
"Flysky",
"logic analyzer",
"RC transmitter",
"taranis 9x"
] | For those just starting out in the world of RC, a low cost transmitter like the Flysky FS-i6S can be very compelling. But is buying a cheap transmitter setting yourself up for failure down the line? The general feel in the RC community has been that cheaper transmitters have higher latency or “lag” on their inputs, whi... | 58 | 18 | [
{
"comment_id": "4380068",
"author": "julesjblanco",
"timestamp": "2018-02-27T03:04:16",
"content": "I wish the pictures had scales on them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4380675",
"author": "Marek Baczynski",
"timestamp": "2... | 1,760,374,466.061114 | ||
https://hackaday.com/2018/02/26/crankshaft-open-source-car-computer/ | Crankshaft: Open Source Car Computer | Al Williams | [
"Android Hacks",
"Raspberry Pi"
] | [
"android auto",
"raspberry pi",
"touchscreen"
] | Modern cars and head units are pretty fancy gadget-wise. But what if your car still has an 8-track? No problem. Just pick up a Raspberry Pi 3 and a seven-inch touchscreen, and use
Crankshaft
to turn it into an Android Auto setup.
The open source project is based on
OpenAuto
which, in turn, leverages
aasdk
. The advanta... | 46 | 9 | [
{
"comment_id": "4379958",
"author": "Gravis",
"timestamp": "2018-02-27T00:17:07",
"content": "Touch screens in a car are a bad idea. NASA doesn’t use them for a good reason.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4379967",
"author": "tim",
... | 1,760,374,466.220918 | ||
https://hackaday.com/2018/02/26/pc-xt-emulator-on-esp8266/ | PC-XT Emulator On ESP8266 | Steven Dufresne | [
"classic hacks",
"Microcontrollers"
] | [
"dos",
"emulator",
"ESP8266",
"ms-dos",
"PC-XT",
"x86"
] | Do you remember the simpler times when you had a DOS command line, a handful of commands, and you talked to the hardware through a few BIOS and DOS interrupts? Okay, maybe it was a little limited, but nostalgia doesn’t care. Now [mcuhacker] is working on bringing some of those memories back by
getting a PC-XT emulator ... | 58 | 13 | [
{
"comment_id": "4379817",
"author": "Ostracus",
"timestamp": "2018-02-26T21:27:21",
"content": "Nice thing about emulating older hardware and software this way is when the resulting infections come one can easily blow everything away and start over.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,374,466.480491 | ||
https://hackaday.com/2018/02/26/review-of-the-moai-sla-3d-printer/ | Review Of The Moai SLA 3D Printer | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"resin",
"resin 3d printer",
"sla"
] | It is funny how we always seem to pay the same for a new computer. The price stays the same, but the power of the computer is better each time. It would appear 3D printers may be the same story. After all, it wasn’t long ago that sinking a thousand bucks or more on a 3D printer wouldn’t raise any eyebrows. Yet today yo... | 26 | 6 | [
{
"comment_id": "4379736",
"author": "dahud",
"timestamp": "2018-02-26T19:42:02",
"content": "Why would the model need to be hollow? The printer could make a solid first layer, so why not make solid layers above that?The more I read about SLA printers, the more they seem like they’re only useful for... | 1,760,374,466.582585 | ||
https://hackaday.com/2018/02/26/successful-experiments-in-multicolor-circuit-boards/ | Successful Experiments In Multicolor Circuit Boards | Brian Benchoff | [
"Featured",
"hardware",
"Skills"
] | [
"art",
"multicolor PCB",
"pcb art",
"Tindie",
"tindie blinky badge"
] | Printed circuit boards have never been cheaper or easier to make. We’re not that far removed from a time where, if you wanted a printed circuit board, your best and cheapest option would be to download some proprietary software from a board house, use their terrible tool, and send your board off to be manufactured. A f... | 19 | 12 | [
{
"comment_id": "4379699",
"author": "really",
"timestamp": "2018-02-26T18:23:52",
"content": "but i’m looking to do some foil embossing, holographic patterns, halftone op art, and lenticular prints on boards!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "437... | 1,760,374,466.776032 | ||
https://hackaday.com/2018/02/26/world-create-day-is-the-hackaday-event-in-your-neighborhood/ | World Create Day Is The Hackaday Event In Your Neighborhood | Mike Szczys | [
"cons",
"Featured",
"Original Art",
"Slider",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"WDC17",
"World Create Day"
] | Hackaday
World Create Day is on March 17th
and it’s happening near you. Get together with hackers in your area and create something.
Sign up now to host a World Create Day gathering
! These are really easy to organize, but we can only do it with your help.
The Hackaday community from around the world will meetup and sp... | 10 | 4 | [
{
"comment_id": "4379667",
"author": "Internet",
"timestamp": "2018-02-26T17:25:04",
"content": "Hackaday World Hack Day has a different ring to it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4382771",
"author": "neo2121",
"timestamp": "2... | 1,760,374,466.522674 | ||
https://hackaday.com/2018/02/26/arduino-babytv-is-big-fun-at-low-resolution/ | Arduino BabyTV Is Big Fun At Low Resolution | Tom Nardi | [
"Arduino Hacks",
"LED Hacks",
"Toy Hacks"
] | [
"arduino",
"arduino nano",
"IR remote",
"ws2812b"
] | What kind of TV do you have? An older 720p model, or the now standard 1080p? Perhaps you’ve made the leap to the next generation, and are rocking a 4K display in the living room. All those are are fine and dandy if you just want to watch the local sportball contest, but where’s the challenge in that? With all the techn... | 10 | 7 | [
{
"comment_id": "4379568",
"author": "David s",
"timestamp": "2018-02-26T16:06:29",
"content": "Love it! Add some audio and knobs a kid could turn and they could even play with it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4379603",
"author": "dahud",... | 1,760,374,466.632453 | ||
https://hackaday.com/2018/02/26/spacex-joins-in-the-long-history-of-catching-stuff-from-space/ | SpaceX Joins In The Long History Of Catching Stuff From Space | Tom Nardi | [
"Current Events",
"Engineering",
"Featured",
"Slider",
"Space",
"Transportation Hacks"
] | [
"fairing",
"Falcon 9",
"nasa",
"recovery",
"SpaceX"
] | On February 22nd, a Falcon 9 rocket lifted off from Vandenberg Air Force Base in California and successfully delivered into orbit an Earth-observation satellite operated by the Spanish company Hisdesat. Compared to the media coverage received by the launch of the
Tesla-laden Falcon Heavy earlier in the month
, this mis... | 39 | 15 | [
{
"comment_id": "4379204",
"author": "Bob",
"timestamp": "2018-02-26T15:12:52",
"content": "“even the normally dramatic landing of the Falcon 9’s first stage was skipped”: I haven’t been able to find any explanation for this. The boosters are landed to save money, not (merely) for dramatic effect. W... | 1,760,374,466.936814 | ||
https://hackaday.com/2018/02/26/moltoduino-arduinos-all-the-way-down/ | Moltoduino: Arduinos All The Way Down | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"cluster",
"hardware-in-the-loop"
] | It is getting difficult to find a desktop or laptop computer with only a single CPU. Even a typical ARM-based computer now probably has multiple cores. Of course, there’s nothing to stop you from using multiple microcontrollers — like the Arduino — together. To make the process neater, [Dimitris Platis] put together
Mo... | 23 | 9 | [
{
"comment_id": "4378581",
"author": "Moryc",
"timestamp": "2018-02-26T13:42:15",
"content": "But how to make sure that simulated I/O device is simulating properly? Write a test program to for another device test the simulated device that tests the final main device? But how to make sure that test d... | 1,760,374,466.685743 | ||
https://hackaday.com/2018/02/26/order-drinks-with-your-mind/ | Order Drinks With Your Mind | Lewin Day | [
"Misc Hacks"
] | [
"barbot",
"mind reading",
"mindflex"
] | Barbots are a popular project around these parts. With a few pumps and a microcontroller or two, it’s possible to build something that can approximate mixing a drink. If you’ve got the patience and attention to detail, you can probably even get it to the point where it doesn’t just end up as a leaking wet mess on your ... | 5 | 3 | [
{
"comment_id": "4378435",
"author": "X",
"timestamp": "2018-02-26T12:15:58",
"content": "And it always serves a liquid that is almost, but not quite, entirely unlike tea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4378448",
"author": "Brandon Ginn",
... | 1,760,374,467.045909 | ||
https://hackaday.com/2018/02/25/mechanical-clocks-that-never-need-winding/ | Mechanical Clocks That Never Need Winding | Elliot Williams | [
"clock hacks"
] | [
"atmospheric pressure",
"clock",
"free energy",
"temperature variation"
] | What is it about mechanical clocks? Maybe it’s the gears, or the soft tick-tocking that they make? Or maybe it’s the pursuit of implausible mechanical perfection. Combine mechanical clocks with “free” energy harvested from daily temperature and pressure variation, and we’re hooked.
Both the
Beverly Clock
, built by Art... | 32 | 14 | [
{
"comment_id": "4378264",
"author": "Ostracus",
"timestamp": "2018-02-26T06:15:25",
"content": "“What is it about mechanical clocks? Maybe it’s the gears, or the soft tick-tocking that they make? Or maybe it’s the pursuit of implausible mechanical perfection. Combine mechanical clocks with “free” e... | 1,760,374,467.004758 | ||
https://hackaday.com/2018/02/25/real-time-audio-for-the-pocketbeagle/ | Real-Time Audio For The PocketBeagle | Brian Benchoff | [
"ARM",
"Musical Hacks"
] | [
"beagleboard",
"Bela",
"Bela Mini",
"PocketBeagle"
] | The BeagleBone has long been a favorite for real-time I/O, and now with the release of the PocketBone — the tiny key fob-sized BeagleBone — there are ever increasing uses for this tiny little programmable real-time Linux module.
The Bela Mini
, just released, is the latest add-on cape to take advantage of the processin... | 11 | 5 | [
{
"comment_id": "4378139",
"author": "Internet",
"timestamp": "2018-02-26T03:14:01",
"content": "It’s (conceptually) exactly what you want for audio applications but also many other applications as well. Still, not quite the same as a MEGA in terms of actual pins. Is there some kind of hybrid real t... | 1,760,374,467.089328 | ||
https://hackaday.com/2018/02/25/hackaday-links-february-25-2018/ | Hackaday Links: February 25, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"E3D",
"embosser",
"etherium",
"Hardware hipsters",
"KiCAD",
"MRRF",
"ransomware"
] | Hipster hardware! [Bunnie] found something interesting in Tokyo.
It’s a LED matrix display
, with a few PDIP chips
glued
onto the front. There are no through-holes or vias, and these PDIPs can’t be seen through on the back side of the board. Someone is gluing retro-looking chips onto boards
so it looks cool
. It’s the ... | 18 | 8 | [
{
"comment_id": "4378094",
"author": "Nay",
"timestamp": "2018-02-26T02:07:00",
"content": "Hackaday in a nutshell. It’s why we come here.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4378125",
"author": "Martin",
"timestamp": "2018-02-26T02:59:56",
... | 1,760,374,467.143765 | ||
https://hackaday.com/2018/02/24/delightful-electromechanical-build-of-a-jet-engine-model/ | Delightful Electromechanical Build Of A Jet Engine Model | Steven Dufresne | [
"Engine Hacks"
] | [
"generator",
"jet",
"jet engine",
"rheostat"
] | [InterlinkKnight]’s
jet engine model is a delight to behold and to puzzle out
. Many of us have been there before. We know how to build something, we know it’s not the most up-to-date approach, but we just can’t help ourselves and so we go for it anyway. The result is often a fun and ingenious mix of the mechanical and... | 9 | 6 | [
{
"comment_id": "4377310",
"author": "msat",
"timestamp": "2018-02-25T01:42:58",
"content": "Hot glue gun explosion?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4377316",
"author": "default_ex",
"timestamp": "2018-02-25T01:54:07",
... | 1,760,374,467.184181 | ||
https://hackaday.com/2018/02/24/these-small-pcbs-are-made-for-model-rocketry/ | These Small PCBs Are Made For Model Rocketry | Donald Papp | [
"hardware",
"Microcontrollers"
] | [
"attiny",
"attiny85",
"KiCAD",
"model rocket",
"model rocketry",
"oshpark",
"pcb",
"rocketry",
"stackable"
] | Model rocketry hobbyists are familiar with the need to roll their own solutions when putting high-tech features into rockets, and a desire to include a microcontroller in a rocket while still keeping things flexible and modular is what led [concretedog] to design
a system using 22 mm diameter stackable PCBs designed to... | 18 | 10 | [
{
"comment_id": "4377130",
"author": "toby",
"timestamp": "2018-02-24T21:33:48",
"content": "I remember dealing with a similar situation in undergrad and decided to go with a a flexible pcb that was bent enough so that the whole thing lined the curved inner surface of the rocket. This approach allow... | 1,760,374,467.240574 | ||
https://hackaday.com/2018/02/24/fully-3d-printed-nerf-thirst-zapper/ | Fully 3D Printed Nerf Thirst Zapper | Tom Nardi | [
"3d Printer hacks",
"Toy Hacks",
"Weapons Hacks"
] | [
"3d printed",
"Fallout",
"gaming",
"nerf",
"prop building"
] | In case you weren’t aware, there is a whole community out there that revolves around customizing NERF guns. In that community is a subculture that builds their own NERF guns, and within
that
group is a sub-subculture that 3D prints NERF guns. So next time you are contemplating how esoteric your little corner of the hac... | 6 | 5 | [
{
"comment_id": "4377175",
"author": "Jonathan Wilson",
"timestamp": "2018-02-24T22:45:28",
"content": "As a fan of Fallout, I love this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4377259",
"author": "TJ",
"timestamp": "2018-02-25T00:39:03",
"... | 1,760,374,467.287397 | ||
https://hackaday.com/2018/02/24/microchip-introduces-tiny-cheap-linux-modules/ | Microchip Introduces Tiny Cheap Linux Modules | Brian Benchoff | [
"Microcontrollers"
] | [
"linux",
"microchip",
"SAMA5",
"SIP",
"som",
"system on chip"
] | Linux is in everything these days, and that means designers and engineers are crying out for a simple, easy-to-use module that simplifies the design of building a product to do something with Linux. The best example of this product category would probably be the Raspberry Pi Compute Module, followed by the C.H.I.P. Pro... | 86 | 15 | [
{
"comment_id": "4376748",
"author": "Marton Miklos",
"timestamp": "2018-02-24T15:03:21",
"content": "Only the marketing guys talk in megabits if it comes to the amount of RAM/flash…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4376807",
"author": ... | 1,760,374,467.398849 | ||
https://hackaday.com/2018/02/24/youve-never-seen-a-flipping-eyeball-like-this-one/ | You’ve Never Seen A Flipping Eyeball Like This One! | Jenny List | [
"hardware"
] | [
"eyeball",
"fabric",
"flip-dot",
"magnet",
"steampunk",
"textile"
] | Inspired by some impressive work on textile flip-bit displays, and with creative steampunk outfits to create for Christmas, [Richard Sewell] had the idea for
a flippable magnetic eye in the manner of a flip-dot display
. These devices are bistable mechanical displays in which a magnet is suspended above a coil of wire,... | 20 | 6 | [
{
"comment_id": "4376690",
"author": "Genki",
"timestamp": "2018-02-24T14:26:54",
"content": "A little more work and it could pass for Mad Eye Moody’s fake eye.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4377194",
"author": "r3",
"timesta... | 1,760,374,467.579797 | ||
https://hackaday.com/2018/02/24/tachometer-uses-light-arduinos/ | Tachometer Uses Light, Arduinos | Bryan Cockfield | [
"Tool Hacks"
] | [
"arduino",
"emitter detector pair",
"infrared",
"measurement",
"op-amp",
"rpm",
"square wave",
"tachometer",
"tool"
] | To measure how fast something spins, most of us will reach for a tachometer without thinking much about how it works. Tachometers are often found in cars to measure engine RPM, but handheld units can be used for measuring the speed of rotation for other things as well. While some have mechanical shafts that must make p... | 19 | 12 | [
{
"comment_id": "4376571",
"author": "Dan",
"timestamp": "2018-02-24T10:55:19",
"content": "I mean, this is a cool build and all, but the principle of operation here is effectively the standard for handheld tachs. The 3D printed case even has the general shape/design of common commercial models.Noth... | 1,760,374,467.631517 | ||
https://hackaday.com/2018/02/23/robotic-laser-keeps-cat-entertained-while-you-hack/ | Robotic Laser Keeps Cat Entertained While You Hack | Steven Dufresne | [
"Arduino Hacks"
] | [
"Arduino Uno",
"bluetooth",
"hc-05",
"laser",
"laser diode",
"pan-tilt",
"thingiverse"
] | Whether it’s our own cat or a neighbor’s, many of us have experienced the friendly feline keeping us company while we work, often contributing on the keyboard, sticking its head where our hands are for a closer look, or sitting on needed parts. So how to keep the crafty kitty busy elsewhere? This
roboticized laser on a... | 14 | 7 | [
{
"comment_id": "4376468",
"author": "Doug",
"timestamp": "2018-02-24T06:55:13",
"content": "Has Never has taken long for cats around here to figure out they can’t catch the light from a laser pointer, tire of trying to do so, and move on their old self-entertainment tricks. Only take a few ricochet... | 1,760,374,467.677026 | ||
https://hackaday.com/2018/02/25/debugging-with-serial-print-at-5333333-baud/ | Debugging With Serial Print At 5333333 Baud | Donald Papp | [
"Arduino Hacks",
"Microcontrollers"
] | [
"arduino",
"arduino mega",
"ATMega2560",
"baud",
"debug",
"high speed",
"PL2303MX",
"printf",
"serial",
"USB to serial"
] | Debugging with
printf
is something [StorePeter] has always found super handy, and as a result he’s always been interested in tweaking the process for improvements. This kind of debugging usually has microcontrollers sending messages over a serial port, but in embedded development there isn’t always a hardware UART, or ... | 28 | 11 | [
{
"comment_id": "4377971",
"author": "Severe Tire Damage",
"timestamp": "2018-02-25T21:04:02",
"content": "OK, but what’s the big rush if you are just debugging?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4377977",
"author": "Thorsten",
"... | 1,760,374,467.808054 | ||
https://hackaday.com/2018/02/25/css-steals-your-web-data/ | CSS Steals Your Web Data | Al Williams | [
"Security Hacks"
] | [
"cracking",
"css",
"cybersecurity",
"html",
"keylogging"
] | Earlier this year, we posted a link to an interactive Web page. Most people seemed to like it, but we got at least one comment about how they would never be so incautious as to allow JavaScript to run on their computers. You can argue the relative merit of that statement, but it did remind us that just disabling JavaSc... | 26 | 10 | [
{
"comment_id": "4377899",
"author": "Clara",
"timestamp": "2018-02-25T18:17:53",
"content": "Eh, it grows just like any brute-force. You’d need a billion CSS rules to capture a social security number that’s entered in a single text field, and you probably wouldn’t want to ask people to download th... | 1,760,374,467.739568 | ||
https://hackaday.com/2018/02/25/screw-drive-tank-is-radio-controlled-3d-printed/ | Screw Drive Tank Is Radio Controlled, 3D Printed | Lewin Day | [
"3d Printer hacks"
] | [
"radio control",
"rc",
"screw",
"screw drive"
] | Screw drives are something that we don’t see a lot of – they’ve got an interesting set of attributes making them useful on soft ground, but woe betide you if your local transport department catches you trying to belt one of these up the freeway.
After a long development period, [Ivan] has finally perfected his screw dr... | 12 | 6 | [
{
"comment_id": "4377805",
"author": "Doug Leppard",
"timestamp": "2018-02-25T15:10:20",
"content": "How fun what a great project! How does it do on grass etc.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4377876",
"author": "jacobchrist",
... | 1,760,374,467.860813 | ||
https://hackaday.com/2018/02/25/power-supply-choices/ | Power Supply Choices | Al Williams | [
"Misc Hacks"
] | [
"boost",
"boost buck",
"buck",
"linear regulator",
"voltage regulator",
"voltage regulators"
] | Unless you are building a crystal radio or you’ve finally invented that infinite energy machine, any project you do is going to need some sort of power supply. There was a time when a battery was enough, but these days you probably need some sort of regulation. But there are many kinds to choose. Linear, switching, SEP... | 6 | 3 | [
{
"comment_id": "4377832",
"author": "bufferscotch",
"timestamp": "2018-02-25T15:56:58",
"content": "I liked the 7805 teardown and was glad to see zener get mentioned. For all my electrocanoodling, I still worry about my own PSU designs.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,468.004107 | ||
https://hackaday.com/2018/02/25/casting-metal-parts-and-silicone-molds-from-3d-prints/ | Casting Metal Parts And Silicone Molds From 3D Prints | Lara Grant | [
"3d Printer hacks"
] | [
"3D printed mold",
"3d printer",
"3d printing",
"cnc",
"howto",
"metal casting",
"mold making"
] | The invention of the relatively affordable 3D printer for home use has helped bring methods used to produce parts for prototypes, samples, and even manufacturing, closer to designers. This tutorial on
how to cast metal parts from 3D printed silicone molds
is a perfect example of how useful a 3D printer can be when you ... | 35 | 12 | [
{
"comment_id": "4377605",
"author": "Moryc",
"timestamp": "2018-02-25T09:45:13",
"content": "One can use this method to cast a wax replica of the part in silicone form, then use it for lost-wax casting with aluminum, steel or bronze…",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,374,468.078057 | ||
https://hackaday.com/2018/02/24/maplin-for-sale/ | Maplin For Sale | Jenny List | [
"News"
] | [
"Maplin",
"Maplin catalogue",
"radio shack",
"retail"
] | If you are an American Electronics Enthusiast of a Certain Age, you will have misty-eyed reminiscences of the days when every shopping mall had a Radio Shack store. If you are a Brit, the name that will bring similar reminiscences to those Radio Shack ones from your American friends is Maplin. They may be less importan... | 78 | 34 | [
{
"comment_id": "4377423",
"author": "TL",
"timestamp": "2018-02-25T06:15:34",
"content": "Their 2015 catalog is still available for download.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4377424",
"author": "Ostracus",
"timestamp": "2018-02-25T06:18... | 1,760,374,468.193503 | ||
https://hackaday.com/2018/02/24/this-3d-printed-robotic-vacuum-sucks/ | This 3D-Printed Robotic Vacuum Sucks | Tom Nardi | [
"3d Printer hacks",
"Arduino Hacks",
"Robots Hacks"
] | [
"3d printed",
"arduino",
"hc-05",
"robotics",
"roomba"
] | After you’ve taken a moment to ponder the turn of phrase used in the title, take a look at this
scratch-built robotic vacuum created by [theking3737]
. The entire body of the vacuum was 3D printed, and all of the internal electronics are off-the-shelf modular components. We can’t say how well it stacks up against the c... | 11 | 10 | [
{
"comment_id": "4377628",
"author": "expat",
"timestamp": "2018-02-25T10:12:46",
"content": "Nice job, particularly for a school project! Things have changed since I went to school. I think I made a strobe light and a one-transistor power supply back then. I never heard of a 3D-pen until I read t... | 1,760,374,468.248347 | ||
https://hackaday.com/2018/02/23/stretched-pc-case-turned-gpu-cryptominer/ | Stretched PC Case Turned GPU Cryptominer | Tom Nardi | [
"3d Printer hacks",
"computer hacks",
"hardware"
] | [
"bitcoin",
"Case mod",
"cryptocurrency",
"Ethereum",
"gpu mining"
] | We don’t do financial planning here at Hackaday, so we won’t weigh in on the viability of making money mining cryptocurrency in such a volatile market. But we will say that if you’re going to build a machine to hammer away at generating Magical Internet Monies, you might as well make it cool. Even if you don’t turn a p... | 39 | 5 | [
{
"comment_id": "4376315",
"author": "Ostracus",
"timestamp": "2018-02-24T03:12:44",
"content": "“We don’t do financial planning here at Hackaday, so we won’t weigh in on the viability of making money mining cryptocurrency in such a volatile market.”HaD mining instead of ads.",
"parent_id": null... | 1,760,374,468.331134 | ||
https://hackaday.com/2018/02/23/tiny-quad-core-module-available-soon/ | Tiny Quad Core Module Available Soon | Al Williams | [
"Raspberry Pi"
] | [
"arm",
"linux",
"raspberry pi",
"SBC"
] | We get a lot of new product announcements here at Hackaday, and we run across even more. As excited as a manufacturer might be about their latest Raspberry Pi killer or cheaper Arduino clone, we usually don’t have much to say about new products unless there is something really interesting about them. Our attention was ... | 43 | 16 | [
{
"comment_id": "4375956",
"author": "Pacemk",
"timestamp": "2018-02-24T00:11:08",
"content": "The position of the 2 DF40 connector seems to be compatible with other SoC, but I can’t remenber which. Any info about that ?In a way, it could be the “new” Edison, so maybe can be very interresting",
... | 1,760,374,468.412772 | ||
https://hackaday.com/2018/02/23/3d-printing-brings-a-childs-imagination-to-life/ | 3D Printing Brings A Child’s Imagination To Life | Tom Nardi | [
"3d Printer hacks",
"Misc Hacks",
"Slider",
"Toy Hacks"
] | [
"3d printed",
"finishing",
"model making",
"painting",
"sanding",
"solidworks"
] | Telling somebody that you’re going to make their dreams come true is a bold, and potentially kind of creepy, claim. But it’s one of those things that isn’t supposed to be taken literally; it doesn’t mean that you’re
actually
going to peer into their memories, extract an idea, and then manifest it into reality. That’s j... | 25 | 15 | [
{
"comment_id": "4375507",
"author": "Jim Vichench",
"timestamp": "2018-02-23T21:18:55",
"content": "WOW !!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4375512",
"author": "laxste",
"timestamp": "2018-02-23T21:26:20",
"content": "Check your fi... | 1,760,374,468.483598 | ||
https://hackaday.com/2018/02/23/arduino-watchdog-has-bite-and-doesnt-need-treats/ | Arduino Watchdog Has Bite And Doesn’t Need Treats | Richard Baguley | [
"Arduino Hacks"
] | [
"arduino",
"watchdog"
] | My dog Jasper isn’t much of a watchdog: he’s too interested in sleeping and chasing my cats to keep an eye on things. Fortunately, [Vadim] has come up with a more reliable alternative with this
simple Arduino watchdog
. It’s designed to work with crypto coin mining rigs, but it could be easily adapted for other high-up... | 17 | 5 | [
{
"comment_id": "4375412",
"author": "ehud42",
"timestamp": "2018-02-23T19:54:04",
"content": "Clever. It’s automated. We could have used that.Years ago I worked at a place with a remote PC running ads (think community classifieds) on a public TV network. Every now and then the computer would freeze... | 1,760,374,468.541955 | ||
https://hackaday.com/2018/02/23/rapidly-prototyping-prosthetics-braille-and-wheelchairs/ | Rapidly Prototyping Prosthetics, Braille, And Wheelchairs | Anool Mahidharia | [
"cons",
"Featured"
] | [
"3d printed prosthetic",
"assistive technology",
"Bonjour-India",
"braille",
"disability",
"France",
"hackathon",
"india",
"Maker's Asylum",
"Mumbai",
"My Human Kit",
"MyHumanKit",
"myoelectric",
"physical disability",
"Prosthesis",
"prosthetic",
"Prosthetic arm",
"rapid prototypin... | We live in an amazing time where the availability of rapid prototyping tools and expertise to use them has expanded faster than at any other time in human history. We now have an amazing ability to quickly bring together creative solutions — perfect examples of this are the designs for specialized arm prosthetics, Brai... | 4 | 4 | [
{
"comment_id": "4375392",
"author": "nino",
"timestamp": "2018-02-23T19:19:25",
"content": "amazing !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4377103",
"author": "Saabman",
"timestamp": "2018-02-24T20:38:27",
"content": "A few years ago I h... | 1,760,374,468.597717 | ||
https://hackaday.com/2018/02/23/the-commodore-story-premieres-february-23rd/ | “The Commodore Story” Documentary Premieres Today | Dan Maloney | [
"computer hacks",
"News"
] | [
"amiga",
"c-64",
"commodore",
"Commodore International",
"documentary",
"VIC-20"
] | What is it about a computer that was introduced 36 years ago by a company that would be defunct 12 years later that engenders such passion that people still collect it to this day? We’re talking about the Commodore 64, of course, the iconic 8-bit wonder that along with the other offerings from Commodore International s... | 49 | 21 | [
{
"comment_id": "4375288",
"author": "deshipu",
"timestamp": "2018-02-23T17:08:28",
"content": "It’s a bit scary to see all those white rich middle-aged men all together at the same time, and pretty much not a single person not fitting the mold.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,468.689371 | ||
https://hackaday.com/2018/02/23/diy-cryogel-sustains-live-cells/ | DIY Cryogel Sustains Live Cells | Brian McEvoy | [
"chemistry hacks",
"Medical Hacks"
] | [
"cell culture",
"cells",
"cryogel",
"insulation",
"lab",
"mammalian",
"preservation",
"temperature"
] | We like to think our readers are on the cutting edge. With the advent of CRISPR kits at home and DIY bio blooming in workshops across the world, we wanted to share a video which may be ahead of its time. [The Thought Emporium] has just shown us a way to
store eukaryotic cells at room temperature
. His technique is base... | 19 | 4 | [
{
"comment_id": "4375277",
"author": "Ostracus",
"timestamp": "2018-02-23T16:41:42",
"content": "“We like to think our readers are on the cutting edge. With the advent of CRISPR kits at home and DIY bio blooming in workshops across the world, we wanted to share a video which may be ahead of its time... | 1,760,374,468.756934 | ||
https://hackaday.com/2018/02/23/next-week-bring-a-hack-in-nyc/ | Next Week: Bring-A-Hack In NYC | Brian Benchoff | [
"cons"
] | [
"Bring A Hack",
"BringAHack",
"meetup",
"ultimaker"
] | Hackaday, along with Ultimaker and New Lab, are hosting
an extravaganza of super hacks and more in New York
next week. Grab a project you’re working on and join us on Wednesday, February 28 in Brooklyn.
This is all about showcasing the coolest, newest stuff being worked on by makers, hackers, artists, and engineers. Ge... | 4 | 4 | [
{
"comment_id": "4375182",
"author": "Ren",
"timestamp": "2018-02-23T14:26:42",
"content": "You do good artwork, Joe Kim!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4375199",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-02-23T14:48:56",
"co... | 1,760,374,468.80285 | ||
https://hackaday.com/2018/02/23/a-robot-for-everything-now-even-zippers/ | A Robot For Everything: Now Even Zippers | Jenny List | [
"3d Printer hacks"
] | [
"zip",
"zipper",
"zipper bot",
"zipper robot"
] | Sometimes we see projects that are so clever while being remarkably simple, that we can’t help thinking:
Why didn’t I think of that!
Take
[Haresh Karnan]’s zipper robot
, for example. It’s a well-designed 3D-printed shell with two geared motors for traction, that can both undo and do up zippers. Behind that seemingly s... | 30 | 8 | [
{
"comment_id": "4375086",
"author": "Trax",
"timestamp": "2018-02-23T12:31:30",
"content": "Cool idea and implementation, maybe as some accessibility aid, as already mentioned. Need to speed it up though.“While we might be tempted to make jokes about the terminally lazy using this device to save un... | 1,760,374,469.004975 | ||
https://hackaday.com/2018/02/23/a-two-tapes-turing-machine/ | A Two Tapes Turing Machine | Jenny List | [
"computer hacks"
] | [
"alan turing",
"computer science",
"theoretical computer",
"turing",
"Turing machine"
] | Though as with so many independent inventors the origins of computing can be said to have been arrived at through the work of many people, Alan Turing is certainly one of the foundational figures in computer science. His Turing machine was a thought-experiment computing device in which a program performs operations upo... | 6 | 4 | [
{
"comment_id": "4374837",
"author": "Daniel",
"timestamp": "2018-02-23T09:54:49",
"content": "Check this out too, a high level language to Turing machine compiler, amazing work. N.B. don’t miss the links to the two videos.https://github.com/adamyedidia/parsimony",
"parent_id": null,
"depth"... | 1,760,374,469.04509 | ||
https://hackaday.com/2018/02/22/forth-system-on-chip-takes-us-back-to-the-80s/ | Forth System-On-Chip Takes Us Back To The 80s | Bryan Cockfield | [
"FPGA"
] | [
"c++",
"computer",
"forth",
"fpga",
"microcomputer",
"retro",
"simulator",
"verilog"
] | For anyone who has dealt with the programming language Forth, odds are good that you picked it up back in the 80s. Since the language is still in use for many applications, though, you might not have this sort of nostalgic feeling for the language that some might have. For that, though, you might want to try out [Richa... | 66 | 20 | [
{
"comment_id": "4374509",
"author": "dendad",
"timestamp": "2018-02-23T07:37:00",
"content": "Forth is pretty neat! Well worth a play with if you have not tried it yet.It brings back some memories…I have a couple of tubes of the RTX2000 Forth Engine chips left over from a real time imaging system w... | 1,760,374,469.148801 | ||
https://hackaday.com/2018/02/22/this-radio-gets-pour-reception/ | This Radio Gets Pour Reception | James Hobson | [
"Arduino Hacks",
"Radio Hacks"
] | [
"capacitive",
"machine learning",
"play",
"sensor",
"water"
] | When was the last time you
poured water onto your radio
to turn it on?
Designed collaboratively by [Tore Knudsen], [Simone Okholm Hansen] and [Victor Permild], Pour Reception seeks to challenge what constitutes an interface, and how elements of play can create a new experience for a relatively everyday object.
Lacking ... | 17 | 9 | [
{
"comment_id": "4374051",
"author": "trollymctrollface",
"timestamp": "2018-02-23T03:24:21",
"content": "i’m highly skeptical that this is radio since there’s too much music and not enough mind-numbing chatter/interviews/talk-shows/commercials when tuning.. (fm radio here in belgium has been unbear... | 1,760,374,469.203872 | ||
https://hackaday.com/2018/02/22/software-defined-television-on-an-esp32/ | Software Defined Television On An ESP32 | Dan Maloney | [
"Slider",
"Video Hacks"
] | [
"composite video",
"dac",
"ESP32",
"I2S",
"interlace",
"monitor",
"ntsc",
"pal",
"sync"
] | Composite video from a single-board computer? Big deal — every generation of Raspberry Pi has had some way of getting composite signals out and onto the retro monitor of your choice. But composite video from an ESP32?
That’s a thing now too
.
There are some limitations, of course, not least of which is finding a monito... | 24 | 9 | [
{
"comment_id": "4373900",
"author": "Vinalon",
"timestamp": "2018-02-23T00:34:13",
"content": "The ESP32 looks really cool, but it seems like if you wanted to do random cool things with embedded systems, you’d be better off choosing an ARM Cortex-M core.They can scale between tens of MHz with low p... | 1,760,374,469.410124 | ||
https://hackaday.com/2018/02/22/3d-printed-parts-torture-tested-in-nitro-engine-briefly/ | 3D-Printed Parts Torture-Tested In Nitro Engine — Briefly | Dan Maloney | [
"3d Printer hacks"
] | [
"bearing",
"connecting rod",
"engine",
"internal combustion",
"nitro",
"PETG",
"two-stroke"
] | Additive manufacturing has come a long way in a short time, and the parts you can turn out with some high-end 3D-printers rival machined metal in terms of durability. But consumer-grade technology generally lags the good stuff, so there’s no way you can 3D-print internal combustion engine parts on a run of the mill pri... | 11 | 6 | [
{
"comment_id": "4373796",
"author": "weirdwhit",
"timestamp": "2018-02-22T22:21:02",
"content": "Over the weekend I printed a barrel nut wrench for an Ar15. The part was uploaded to thingiverse and was described as fitting an airsoft replica of an ar15. I’ve never seen an airsoft gun, but i’m pre... | 1,760,374,469.349388 | ||
https://hackaday.com/2018/02/21/retrocomputing-for-the-forgotten/ | Retrocomputing For The Forgotten | Al Williams | [
"Software Hacks"
] | [
"2ine",
"os/2",
"retrocomputing",
"wine"
] | The world runs on marketing hype. Remember the public relations swirl around the Segway? Before it rolled out we were led to believe it was going to be remembered as fire, the wheel, and Segway. Didn’t really happen. Microsoft and IBM had done something similar with OS/2, which you may not even remember as the once hei... | 60 | 16 | [
{
"comment_id": "4372746",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-02-22T03:36:06",
"content": "Part of why it failed is that nobody wanted to pay big money for half an operating system. :-P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4372775",... | 1,760,374,469.299121 | ||
https://hackaday.com/2018/02/21/linux-adds-ch341-gpio/ | Linux Adds CH341 GPIO | Al Williams | [
"Linux Hacks",
"Slider"
] | [
"CH340",
"CH341",
"gpio",
"USB to serial"
] | There was a time when USB to serial hardware meant one company: FTDI. But today there are quite a few to choose from and one of the most common ones is the WCH CH341. There’s been support for these chips in Linux for a while, but only for use as a communication port. The device actually has RS232, I2C, SPI, and 8 gener... | 64 | 17 | [
{
"comment_id": "4372617",
"author": "werecatf",
"timestamp": "2018-02-22T00:49:13",
"content": "Regarding faster ways of using GPIO, the sysfs-interface to the GPIO-pins, while handy, is deprecated nowadays. The character-device based interface that one should use now is a helluva lot faster in man... | 1,760,374,471.47382 | ||
https://hackaday.com/2018/02/21/vintage-sewing-machine-to-computerized-embroidery-machine/ | Vintage Sewing Machine To Computerized Embroidery Machine | Brian McEvoy | [
"Tool Hacks"
] | [
"arduino",
"Arduino Uno",
"borletti",
"CherryPy",
"cnc",
"conversion",
"embroidery",
"grbl",
"needle craft",
"NEMA-17",
"Pi",
"postep",
"Postep25",
"python",
"raspberry pi",
"sewing",
"uno",
"vintage",
"Web Socket"
] | It is February of 2018. Do you remember what you were doing in December of 2012? If you’re [juppiter], you were starting your
CNC Embroidery Machine
which would not be completed for more than half of a decade. Results speak for themselves, but this may be the last time we see a first-generation Raspberry Pi without cal... | 19 | 11 | [
{
"comment_id": "4372421",
"author": "nopmataru",
"timestamp": "2018-02-21T21:11:57",
"content": "Props, juppiter! Cool project and good read. I always love seeing old gear getting an update ????",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4372456",
"... | 1,760,374,471.531839 | ||
https://hackaday.com/2018/02/21/mit-extracts-power-from-temperature-fluctuations/ | MIT Extracts Power From Temperature Fluctuations | Roger Cheng | [
"green hacks"
] | [
"generate power",
"green power",
"low power",
"low power transmitter",
"mit",
"power",
"power generation",
"power generator",
"remote sensing",
"Thermal",
"thermal resonator"
] | As a civilization, we are proficient with the “boil water, make steam” method of turning various heat sources into power we feed our infrastructure. Away from that, we can use solar panels. But what if direct sunlight is not available either? A team at MIT demonstrated how to
extract power from daily temperature swings... | 51 | 13 | [
{
"comment_id": "4372343",
"author": "kryptylomese",
"timestamp": "2018-02-21T19:41:06",
"content": "How does this compare with a peltier?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4372350",
"author": "Bill",
"timestamp": "2018-02-21T19:... | 1,760,374,471.289767 | ||
https://hackaday.com/2018/02/21/retrotechtacular-the-best-jeep-commercial-ever/ | Retrotechtacular: The Best Jeep Commercial Ever | Mike Szczys | [
"car hacks",
"Hackaday Columns",
"Retrotechtacular"
] | [
"Jeep",
"power take-off",
"pto",
"Willys MB"
] | How often do we find ourselves thankful for advertising? When it comes to Hackaday’s Retrotechtacular column it’s actually quite often since it snapshots a moment in culture and technology. Today’s offering is a shining example, where we get a great look into vehicular utility of the day that is rarely seen in our mode... | 41 | 15 | [
{
"comment_id": "4372222",
"author": "Ren",
"timestamp": "2018-02-21T18:13:14",
"content": "At an auction a few years back, I saw a Jeep with a 3 point hitch. It was probably done by the owner, I had no idea that it had been done before or elsewhere.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,471.371509 | ||
https://hackaday.com/2018/02/21/friday-hack-chat-trusting-the-autorouter/ | Friday Hack Chat: Trusting The Autorouter | Brian Benchoff | [
"Hackaday Columns"
] | [
"altium",
"autorouter",
"Circuit Maker",
"circuitmaker",
"Hack Chat"
] | Ah, the autorouter. Inside every PCB design tool, there’s a function called the ‘autorouter’. This function, when used correctly, is able to automagically lay traces between pads, producing a perfect board in under a minute. The trouble is, no one uses it. We have been told not to trust the autorouters and we hear a lo... | 41 | 12 | [
{
"comment_id": "4372134",
"author": "Beef",
"timestamp": "2018-02-21T17:27:57",
"content": "unless you are laying out something really complex it often takes more time to set the stupid thing up than just do it yourself. otherwise you get crazy stuff like traces running off the pcb and 10 billion v... | 1,760,374,471.206675 | ||
https://hackaday.com/2018/02/21/3d-printed-skateboard-mount-for-bikes/ | 3D Printed Skateboard Mount For Bikes | Adam Fabio | [
"Transportation Hacks"
] | [
"bicycle",
"bike",
"skateboard",
"skatepark",
"truck stop"
] | [Matt Obal] had a problem. The local skatepark was too far to skateboard, but close enough to bike. Carrying a skateboard on a bicycle is a rather awkward (and unsafe) maneuver. [Matt’s] answer to the problem is
Truck Stop, a bicycle mounted skateboard carrier
he developed and is manufacturing himself.
[Matt’s] work on... | 16 | 8 | [
{
"comment_id": "4372005",
"author": "Max Siegieda (@CampGareth)",
"timestamp": "2018-02-21T16:38:12",
"content": "I’ve often wondered how to mount an umbrella to my bike in a way that doesn’t interfere with normal use. Unfortunately it’s not this way, that rear light cannot be seen through the skat... | 1,760,374,471.118031 | ||
https://hackaday.com/2018/02/22/skull-cane-proves-bondo-isnt-just-for-dents/ | Skull Cane Proves Bondo Isn’t Just For Dents | Tom Nardi | [
"Misc Hacks",
"Parts"
] | [
"bondo",
"halloween costume",
"prop",
"rapid prototyping"
] | [Eric Strebel] is quickly becoming a favorite here at Hackaday. He’s got a fantastic knack for turning everyday objects into something awesome, and he’s kind of enough to document his builds for the viewing pleasure of hackers and makers everywhere. It also doesn’t hurt that his voice and narration style gives us a rea... | 11 | 6 | [
{
"comment_id": "4373689",
"author": "Robert Mateja",
"timestamp": "2018-02-22T19:43:00",
"content": "same happy accident with black uv nail polish ;)https://hackaday.io/project/58636-lazzzer-mount",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4373712",
"... | 1,760,374,471.682566 | ||
https://hackaday.com/2018/02/22/quickbasic-lives-on-with-qb64/ | QuickBASIC Lives On With QB64 | Tom Nardi | [
"classic hacks",
"Featured",
"Interest",
"Software Development"
] | [
"basic",
"msdos",
"QB64",
"Qbasic",
"retro computing"
] | When I got my first computer, a second hand 386 running MS-DOS 6.22, I didn’t have an Internet connection. But I did have QuickBASIC installed and a stack of programming magazines the local library was throwing out, so I had plenty to keep myself busy. At the time, I thought
QuickBASIC was more or less indistinguishabl... | 190 | 50 | [
{
"comment_id": "4373616",
"author": "Soc Rat",
"timestamp": "2018-02-22T18:11:29",
"content": "“Of course, that was many years ago, and things are very different now. The programming languages du jour are worlds more capable than the plodding BASIC variants of the 80’s and 90’s.”The programming lan... | 1,760,374,472.087872 | ||
https://hackaday.com/2018/02/22/france-proposes-software-security-liability-for-manufacturers-open-source-as-support-ends/ | France Proposes Software Security Liability For Manufacturers, Open Source As Support Ends | Jenny List | [
"News",
"Security Hacks"
] | [
"device security",
"eu",
"France",
"french",
"IoT",
"law",
"open source",
"security"
] | It sometimes seems as though barely a week can go by without yet another major software-related hardware vulnerability story. As manufacturers grapple with the demands of no longer building simple appliances but instead supplying them containing software that may expose itself to the world over the Internet, we see dev... | 58 | 16 | [
{
"comment_id": "4373511",
"author": "TL",
"timestamp": "2018-02-22T16:45:44",
"content": "It would be far better for companies to have dedicated sub contractors to handle end of support issues such as maintenance and security upgrades. Just making something open source is like handing a hacker you... | 1,760,374,471.772308 | ||
https://hackaday.com/2018/02/22/mechanisms-mechanical-seals/ | Mechanisms: Mechanical Seals | Dan Maloney | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"compression",
"elastomer",
"garter",
"grease",
"hydrodynamic",
"lubricant",
"lubricants",
"Mechanisms",
"oakum",
"oil",
"packing",
"pitch",
"radial",
"rope",
"seals",
"shaft",
"tar"
] | On the face of it, keeping fluids contained seems like a simple job. Your fridge alone probably has a dozen or more trivial examples of liquids being successfully kept where they belong, whether it’s the plastic lid on last night’s leftovers or the top on the jug of milk. But deeper down in the bowels of the fridge, li... | 36 | 16 | [
{
"comment_id": "4373402",
"author": "salec",
"timestamp": "2018-02-22T15:29:25",
"content": "Greater compression force needed for tighter seal is also friction’s normal force, so basically if seal doesn’t leak, it’ll dissipate power and heat up (which in turn might affect sealing). Therefore, like ... | 1,760,374,471.8536 | ||
https://hackaday.com/2018/02/22/obd-sniffing-a-caddy-phev/ | OBD-Sniffing A Caddy PHEV | Jenny List | [
"car hacks"
] | [
"Cadillac",
"Cadillac ELR",
"chevy volt",
"OBD",
"obd-ii"
] | The Cadillac ELR is a plug-in hybrid car with a bit of class, it has the beating heart of a Chevy Volt in a nice coupé body with some up-market styling and a nice interior. Since it wasn’t on the market for long and some consumers are still wary of cars with electric motors, it also represents something of a sweet spot... | 25 | 9 | [
{
"comment_id": "4373203",
"author": "Dan",
"timestamp": "2018-02-22T12:09:42",
"content": "Didn’t realize these were off the market already. Seems like Cadillac has a tendency to put out really cool vehicles, but only keep them on the market for a few years. Like the XLR or the Allante.",
"pare... | 1,760,374,472.15229 | ||
https://hackaday.com/2018/02/22/at-71572-km-you-wont-beat-this-lora-record/ | At 71,572 KM, You Won’t Beat This LoRa Record | Jenny List | [
"Radio Hacks"
] | [
"LoRa",
"Outernet",
"radio",
"satellite"
] | A distance record for LoRa transmission has been set that you probably won’t be able to beat. Pack up your gear and go home, nothing more to achieve here. At a superficial reading having a figure of 71,572 km (44,473 miles) seems an impossible figure for one of the little LoRa radio modules many of us have hooked up to... | 29 | 8 | [
{
"comment_id": "4373110",
"author": "Doug",
"timestamp": "2018-02-22T10:23:44",
"content": "Like in so many other things, the ability to write a valid big check helps in record setting attempts.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4373174",
... | 1,760,374,472.481796 | ||
https://hackaday.com/2018/02/21/relive-radio-shacks-glory-days-by-getting-goofy/ | Relive Radio Shack’s Glory Days By Getting Goofy | Dan Maloney | [
"classic hacks",
"Slider"
] | [
"blinken lights",
"experimenter",
"neon",
"oscillator",
"P-Box",
"radio shack",
"retro",
"science fair",
"tandy",
"vintage"
] | The Golden Age of Radio Shack was probably sometime in the mid-1970s, a time when you could just pop into the local store and pay 49 cents for the resistors you needed to complete a project. Radio Shack was the place to go for everything from hi-fi systems to CB radios, and for many of us, being inside one was very muc... | 32 | 10 | [
{
"comment_id": "4372905",
"author": "Gregg",
"timestamp": "2018-02-22T06:43:40",
"content": "I built this kit in the random configuration.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4372939",
"author": "Fred",
"timestamp": "2018-02-22T07:22:43",
... | 1,760,374,472.5468 | ||
https://hackaday.com/2018/02/21/the-king-of-machine-tools/ | The King Of Machine Tools | Quinn Dunki | [
"Hackaday Columns",
"Interest",
"Original Art",
"Slider"
] | [
"lathe",
"machining",
"metal lathe"
] | The lathe is known as the King of Machine Tools for a reason. There are very few things that you can’t make with one. In fact, people love to utter the old saw that the lathe is the only machine tool that can make itself. While catchy, I think that’s a bit disingenuous. It’s more accurate to say that there are parts in... | 68 | 20 | [
{
"comment_id": "4371844",
"author": "herbert",
"timestamp": "2018-02-21T15:27:51",
"content": "We have a 8 foot bed ye olde 1900s lathe at home that my dad got for scrap value, but we haven’t done anything other than side cuts because we can’t get the drill bit to start drilling into the face of th... | 1,760,374,472.977301 | ||
https://hackaday.com/2018/02/21/learning-the-555-from-the-inside/ | Learning The 555 From The Inside | Steven Dufresne | [
"Interest"
] | [
"555",
"555 timer IC",
"comparator",
"flip-flop",
"timer",
"transistor",
"voltage divider"
] | One way to understand how the 555 timer works and how to use it is by learning what the pins mean and what to connect to them. A far more enjoyable, and arguably a more useful way to learn is by looking at what’s going on inside during each of its modes of operation. [Dejan Nedelkovski] has put together just such a vid... | 6 | 4 | [
{
"comment_id": "4371801",
"author": "Ren",
"timestamp": "2018-02-21T14:26:40",
"content": "What?There’s no Arduino inside????How can people comment that a 555 could have been used instead of an Arduino????B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4... | 1,760,374,472.42141 | ||
https://hackaday.com/2018/02/21/an-especially-tiny-and-perfectly-formed-fm-bug/ | An Especially Tiny And Perfectly Formed FM Bug | Jenny List | [
"Radio Hacks"
] | [
"fm",
"fm bug",
"fm transmitter",
"vco"
] | It used to be something of an electronic rite of passage, the construction of an FM bug. Many of us will have taken a single RF transistor and a tiny coil of stiff wire, and with the help of a few passive components made an oscillator somewhere in the FM broadcast band. Connect up a microphone and you were a broadcaste... | 17 | 9 | [
{
"comment_id": "4371800",
"author": "Scott the Great",
"timestamp": "2018-02-21T14:25:05",
"content": "Would an evil government entity living in 2018 and bent on oppressing it’s people not use something a little more sophisticated than a bunch of components soldered to a coin cell holder in a desig... | 1,760,374,472.655906 | ||
https://hackaday.com/2018/02/20/diy-peristaltic-pump-keeps-the-booze-flowing/ | DIY Peristaltic Pump Keeps The Booze Flowing | Kristina Panos | [
"Arduino Hacks",
"how-to"
] | [
"barbot",
"bearings",
"diy or buy",
"liquid pump",
"peristaltic pump"
] | A few months ago we showed you a bar bot built by [GreatScott] that uses peristaltic pumps to food-safely move the various spirits and mixers around behind the curtain. The bar bot uses three of them, and at $30 each for pumps with decent flow rate, they added a lot to the parts bill. These pumps are pretty much the id... | 30 | 10 | [
{
"comment_id": "4371541",
"author": "Saad Raja",
"timestamp": "2018-02-21T07:15:29",
"content": "Why we do DIY activities? To make somethings easy and to boost our knowledge. This is a Good DIY activity. Getting involved in the creation of DIY activity is what the creator in my opinion called DIY s... | 1,760,374,472.809402 | ||
https://hackaday.com/2018/02/20/dungeons-and-dragons-tv-tabletop/ | Dungeons And Dragons TV Tabletop! | James Hobson | [
"home entertainment hacks"
] | [
"D20",
"dd",
"Dungeons and Dragons",
"gaming",
"Poplar",
"RPG",
"Tabletop",
"tv"
] | With little more than pen, paper, dice, and imagination, a group of friends can transport themselves to another plane for shenanigans involving dungeons and/or dragons. An avid fan of D&D and a budding woodworker, Imgurian [CapnJackHarkness] decided to build
gaming table with an inlaid TV
for their inaugural project.
T... | 26 | 11 | [
{
"comment_id": "4371382",
"author": "michaelatencio",
"timestamp": "2018-02-21T03:10:48",
"content": "Interesting but why not go back to the original game? I’m old school but I really liked the game without all the tech stuff. Now if you can create a hologram that looks realistic and fights monster... | 1,760,374,472.869844 | ||
https://hackaday.com/2018/02/20/cross-brand-adapter-makes-for-blended-battery-family/ | Cross-Brand Adapter Makes For Blended Battery Family | Dan Maloney | [
"Tool Hacks"
] | [
"18650",
"adapter",
"charger",
"controller",
"cordless",
"dewalt",
"Li-ion",
"ryobi"
] | Even though he’s a faithful DeWalt cordless tool guy, [Richard Day] admits to a wandering eye in the tool aisle, looking at the Ryobi offerings with impure thoughts. Could he stay true to his brand and stick with his huge stock of yellow tools and batteries, or would he succumb to temptation and add another set of batt... | 26 | 11 | [
{
"comment_id": "4371304",
"author": "Dave Davidson",
"timestamp": "2018-02-21T01:20:43",
"content": "He was better in Game of Thrones",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4371371",
"author": "JackDanson",
"timestamp": "2018-02-21T02:55:13",
... | 1,760,374,472.604803 | ||
https://hackaday.com/2018/02/20/easy-modular-alphanumeric-displays-are-full-of-flappy-goodness/ | Easy, Modular Alphanumeric Displays Are Full Of Flappy Goodness | Dan Maloney | [
"Misc Hacks"
] | [
"mdf",
"PVC",
"split flap",
"split-flap display",
"stepper",
"vinyl"
] | There are plenty of ways to make large alphanumeric displays that are readable at great distances. LED signboards come to mind, as do big flat-screen LCD displays. But such displays feel a little soulless, and nothing captures the atmosphere of a busy train station like an arrivals and departures board composed of hund... | 18 | 10 | [
{
"comment_id": "4371047",
"author": "Eric Cherry",
"timestamp": "2018-02-20T21:16:08",
"content": "I love it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4371097",
"author": "iThinkiUnderstand",
"timestamp": "2018-02-20T21:59:25",
"content": "T... | 1,760,374,473.028574 | ||
https://hackaday.com/2018/02/19/a-jukebox-for-the-21st-century-kit-blends-raspberry-pi-sonos-qr-codes/ | A Jukebox For The 21st-Century Kit Blends Raspberry Pi, Sonos, QR Codes | James Hobson | [
"Musical Hacks",
"Raspberry Pi"
] | [
"children",
"Friendly",
"kids",
"media",
"music",
"QR ode",
"sonos"
] | When [Chris Campbell]’s children wanted to play an album in the background over dinner, switching the outputs on his family’s Sonos sound system was perhaps too involved for their budding mastery of technology. This got him thinking about using kid-friendly inputs so they could explore his music collection. Blending QR... | 17 | 11 | [
{
"comment_id": "4370165",
"author": "oetwi",
"timestamp": "2018-02-20T06:45:17",
"content": "I want that. Not only for my son, but for myself as well. Because, with a system like that i could have physical markers not only for the albums i have on CD but for those i (legally) downloaded as well. An... | 1,760,374,473.075985 | ||
https://hackaday.com/2018/02/19/scan-your-film-the-3d-printed-way/ | Scan Your Film The 3D Printed Way | Jenny List | [
"3d Printer hacks"
] | [
"35mm film",
"camera",
"film scanner",
"photography"
] | Everyone has a box or two at home somewhere full of family photographs and slides from decades past. That holiday with Uncle Joe in Florida perhaps, or an unwelcome reminder of 1987’s Christmas jumper. It’s fair to say that some memories deserve to be left to gather dust, but what about the others in a world of digital... | 7 | 4 | [
{
"comment_id": "4370162",
"author": "Ostracus",
"timestamp": "2018-02-20T06:43:55",
"content": "Better than using digital ICE?http://www.digmypics.com/filmmakeover.aspx",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4370227",
"author": "john blackth... | 1,760,374,473.181016 | ||
https://hackaday.com/2018/02/19/tiny-guitar-amp-rebuilt-with-tiny-tubes/ | Tiny Guitar Amp Rebuilt With Tiny Tubes | Tom Nardi | [
"classic hacks",
"Portable Audio Hacks"
] | [
"audio amplifier",
"Honeytone",
"subminiature tubes",
"vacuum tubes"
] | [Blackcorvo] wrote in to tell us how he took a cheap “retro” guitar amplifier and
rebuilt it with sub-miniature vacuum tubes
. The end result is a tiny portable amplifier that not only looks the part, but sounds it to. He’s helpfully provided wiring schematics, build images, and even a video of the amplifier doing it’s... | 28 | 12 | [
{
"comment_id": "4369014",
"author": "richfiles",
"timestamp": "2018-02-19T21:06:12",
"content": "Good Lord, it’s cute and sounds incredible!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4369021",
"author": "dcfusor2015",
"timestamp": "2018-02-19T21:... | 1,760,374,473.621546 | ||
https://hackaday.com/2018/02/19/handheld-gps-tracks-all-the-things/ | Handheld GPS Tracks All The Things | James Hobson | [
"gps hacks"
] | [
"arduino",
"ESP32",
"gps",
"handheld",
"travel"
] | With a GPS on every smartphone, one would be forgiven for forgetting that handheld GPS units still exist. Seeking to keep accurate data on a few upcoming trips, [_Traveler] took on a custom-build that resulted in this
GPS data logger
.
Keeping tabs on [_Traveler] is a Ublox M8N GPS which is on full-time, logging data e... | 9 | 6 | [
{
"comment_id": "4368925",
"author": "Vinalon",
"timestamp": "2018-02-19T20:17:40",
"content": "Cool – those 3-color epaper displays look really nice, but the $10-15 price tag has made me stick with the monochrome OLEDs or 18-bit TFTs you can get for ~$3.It probably saves a lot of power though, huh?... | 1,760,374,473.553297 | ||
https://hackaday.com/2018/02/19/you-all-know-reginald-fessenden-who/ | You All Know Reginald Fessenden. Who? | Al Williams | [
"Hackaday Columns",
"History"
] | [
"am",
"canadian",
"fessenden",
"history",
"radio"
] | Quick, name someone influential in the history of radio. Who do did you think of? Marconi? Tesla? Armstrong? Hertz? Perhaps Sarnoff? We bet only a handful would have said Reginald Fessenden. That’s a shame because he was the first to do something that most of us do every day.
Few know this Canadian inventor’s name even... | 30 | 10 | [
{
"comment_id": "4368790",
"author": "Ren",
"timestamp": "2018-02-19T18:45:51",
"content": "I guess this community was formed before he was famous…http://fessendennd.com/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4368963",
"author": "jacobchrist",
... | 1,760,374,473.506348 | ||
https://hackaday.com/2018/02/19/predicting-starmans-return-to-earth/ | Predicting Starman’s Return To Earth | Brian Benchoff | [
"Misc Hacks",
"Space"
] | [
"clickbait",
"elon",
"Elon is God",
"Elon Musk",
"SpaceX",
"starman",
"tesla",
"Yarkovsky effect"
] | There’s a Starman, waiting in the sky. He’d like to come and meet us, but he’ll have to wait several million years until the Yarkovsky effect brings him around to Earth again.
In case you’ve been living under a rock for the past few weeks, SpaceX recently launched a car into space.
This caused much consternation and ha... | 31 | 12 | [
{
"comment_id": "4368532",
"author": "TGT",
"timestamp": "2018-02-19T17:11:19",
"content": "Should have lined it up for a slingshot to solar escape velocity! But seriously, it would be awesome if we retrieve it in 2091.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,374,473.68452 | ||
https://hackaday.com/2018/02/19/milspec-teardown-cp-142-range-computer/ | Milspec Teardown: CP-142 Range Computer | Tom Nardi | [
"classic hacks",
"Slider",
"Teardown",
"Weapons Hacks"
] | [
"military",
"Milspec",
"radar",
"teardown",
"vacuum tube",
"world war II"
] | As some of my previous work here at Hackaday will attest to,
I’m a big fan of World War II technology
. Something about going in with wooden airplanes and leaving with jet fighters and
space capable rockets
has always captivated me. So when one of my lovingly crafted eBay alerts was triggered by something claiming to b... | 69 | 25 | [
{
"comment_id": "4368264",
"author": "TGT",
"timestamp": "2018-02-19T15:23:46",
"content": "Good Lord that input device is a beauty. I recently dismantled and fixed an old Sansui amplifier, and I love the sheer mechanical loveliness behind all the pots. Another thing about that old circuitry: every ... | 1,760,374,473.872309 | ||
https://hackaday.com/2018/02/19/the-white-rabbit-nixie-clock/ | The White Rabbit Nixie Clock | James Hobson | [
"clock hacks"
] | [
"laser cutter",
"nixie tube",
"rabbit",
"solidworks",
"wood",
"woodworking"
] | Instructables user [hellboy] — a recent convert to the ways of the laser cutter — is a longtime admirer of Nixie tubes. In melding these two joys, he has been able to design and build this gorgeous work of art:
The White Rabbit Nixie Clock
.
Going into this build, [hellboy] was concerned over the lifespan of the tubes,... | 20 | 5 | [
{
"comment_id": "4367970",
"author": "Moryc",
"timestamp": "2018-02-19T12:16:54",
"content": "It was so nicely looking clock, and you just had to fuck it up with blue leds!. LAME!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4368134",
"author": "Na... | 1,760,374,473.745069 | ||
https://hackaday.com/2018/02/19/roll-your-own-rotary-encoders/ | Roll Your Own Rotary Encoders | Dan Maloney | [
"Parts"
] | [
"encoder",
"HMI",
"input device",
"menu",
"microswitch",
"ratchet",
"rotary",
"trip lever"
] | [miroslavus] hasn’t had much luck with rotary encoders. The parts he has tested from the usual sources have all been problematic either mechanically or electrically, resulting in poor performance in his projects. Even attempts to deal with the deficiencies in software didn’t help, so he did what any red-blooded hacker ... | 36 | 17 | [
{
"comment_id": "4367565",
"author": "yetihehe",
"timestamp": "2018-02-19T09:12:14",
"content": "> nor is any information about the speed or direction of the shaft’s rotation capturedHmm, speed can be captured from clicks time and direction is captured directly, you have either left or right clicks.... | 1,760,374,474.221139 | ||
https://hackaday.com/2018/02/18/hackaday-dublin-unconference-needs-you/ | Hackaday Dublin Unconference: Grab Your Tickets! | Mike Szczys | [
"cons",
"Featured"
] | [
"dublin",
"Hackaday Dublin Unconference",
"Hackaday Unconference",
"ireland",
"Republic of Ireland",
"RS Components",
"unconference"
] | Hackaday comes together in Ireland on April 7th and we want you to be there.
Get your free ticket right now
for the Hackaday Dublin Unconference!
An Unconference is the best way to put your finger on the pulse of what is happening in the hardware world right now. Everyone who attends should be ready to stand and delive... | 20 | 9 | [
{
"comment_id": "4367468",
"author": "Collie147",
"timestamp": "2018-02-19T08:57:20",
"content": "Awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4367846",
"author": "smerrett79",
"timestamp": "2018-02-19T10:47:30",
"content": "London was a... | 1,760,374,473.934762 | ||
https://hackaday.com/2018/02/18/photographing-starman-from-a-million-miles-away/ | Photographing Starman From A Million Miles Away | Lewin Day | [
"digital cameras hacks",
"Space"
] | [
"astronomy",
"Falcon Heavy",
"space",
"starman",
"tesla",
"Tesla Roadster"
] | Love it or loathe it, launching a sports car into space is a hell of a spectacle, and did a great job at focusing the spotlight on the Falcon Heavy spacecraft. This led [Rogelio] to wonder –
would it be possible to snap a photo of Starman from Earth?
[Rogelio] isn’t new to the astrophotography game, possessing a capabl... | 28 | 9 | [
{
"comment_id": "4367217",
"author": "Tim",
"timestamp": "2018-02-19T06:25:13",
"content": "He’s just going for the “car with the most miles” bragging rights =o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4367263",
"author": "Mark",
"time... | 1,760,374,474.098921 | ||
https://hackaday.com/2018/02/18/turning-a-car-into-a-computer-mouse/ | Turning A Car Into A Computer Mouse | Steven Dufresne | [
"car hacks"
] | [
"arduino",
"car hack",
"mouse",
"playstation 2"
] | [William Osman] and [Simone Giertz] have graced our pages before, both with weird, wacky and wonderful hacks so it’s no surprise that when they got together they did so
to turn Simone’s car into a computer mouse
. It’s trickier than you might think.
They started by replacing the lens of an optical mouse with a lens nor... | 20 | 8 | [
{
"comment_id": "4367098",
"author": "Ren",
"timestamp": "2018-02-19T03:04:15",
"content": "That’s a car?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4367120",
"author": "Brian Benchoff",
"timestamp": "2018-02-19T03:42:47",
"conten... | 1,760,374,474.153847 | ||
https://hackaday.com/2018/02/18/hackaday-links-february-18-2018/ | Hackaday Links: February 18, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"agc",
"china",
"defcon",
"DSKY",
"ERRF",
"intel",
"kickstarter",
"Meltdown",
"MRRF",
"reprap",
"Spectre"
] | Hacker uses pineapple on unencrypted WiFi. The results are shocking! Film at 11.
Right on, we’ve got some 3D printing cons coming up. The first is
MRRF, the Midwest RepRap Festival
. It’s in Goshen, Indiana, March 23-25th. It’s a hoot.
Just check out all the coverage we’ve done from MRRF over the years
. Go to MRRF.
We... | 50 | 7 | [
{
"comment_id": "4367000",
"author": "Miroslav",
"timestamp": "2018-02-19T00:24:05",
"content": "But Brian told us just few days ago that all the cool people are using Apples.And I thought before that they are just overpriced and overhyped pieces of overheating jnk. I guess I was wrong …",
"pare... | 1,760,374,474.313038 | ||
https://hackaday.com/2018/02/18/hack-excel-for-3d-rendering/ | Hack Excel For 3D Rendering | Al Williams | [
"Software Hacks"
] | [
"3d engine",
"3d rendering",
"doom",
"excel",
"ray tracing"
] | [C Bel] teaches Excel and he has a problem. Most of us — especially us Hackaday types — immediately write a VBA (Visual Basic for Applications) macro to do tough things in Excel. Not only is this difficult for non-technical users, but it also isn’t as efficient, according to [C Bel]. To demonstrate that VBA macros are ... | 24 | 13 | [
{
"comment_id": "4366909",
"author": "Rumburack",
"timestamp": "2018-02-18T21:07:19",
"content": "It is quite easy to get almost photorealistic images in Excel:http://fs1.directupload.net/images/180218/gwoesnle.png",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,374,474.372431 | ||
https://hackaday.com/2018/02/16/analyzing-hobby-motors-with-an-oscilloscope/ | Analyzing Hobby Motors With An Oscilloscope | Tom Nardi | [
"drone hacks",
"hardware"
] | [
"brushless motor",
"DS1054Z",
"Kv",
"oscilliscope",
"RC motor"
] | We always like finding new
excuses
reasons to use our test equipment, so we couldn’t help but be intrigued by this tip from [Joe Mosfet]. He uses the ever-popular Rigol DS1054Z to
demonstrate the differences between a handful of brushless motors
when rotated by his handheld drill at a constant RPM. Not only is he able ... | 20 | 5 | [
{
"comment_id": "4364899",
"author": "Saabman",
"timestamp": "2018-02-17T00:35:57",
"content": "That link to imgur is invalid :(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4364910",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-02-17... | 1,760,374,474.433441 | ||
https://hackaday.com/2018/02/16/how-to-control-the-lights-with-a-tv-remote/ | How To Control The Lights With A TV Remote | Lewin Day | [
"classic hacks"
] | [
"ir",
"light",
"lighting",
"remote",
"remote control"
] | In this day and age of the Internet of Things and controlling appliances over the internet, the idea of using an old-fashioned television remote to do anything feels distinctly 2005. That doesn’t mean it’s not a valid way to control the lights at home,
and [Atakan] is here to show us how it’s done.
To the experienced e... | 16 | 8 | [
{
"comment_id": "4364773",
"author": "Deb Whittam",
"timestamp": "2018-02-16T21:44:20",
"content": "Sounds like a great project for the technically minded individual",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4364801",
"author": "tattik1972",
"time... | 1,760,374,474.485263 | ||
https://hackaday.com/2018/02/16/repairs-you-can-print-better-cable-splicing-with-3d-printed-parts/ | Repairs You Can Print: Better Cable Splicing With 3D Printed Parts | Brian Benchoff | [
"3d Printer hacks"
] | [
"cable",
"microphone",
"Repairs You Can Print",
"splice"
] | A while back, [Marius] was faced with a problem. A friend of his lives in the middle of a rainforest, and a microphone was attacked by a dirty, greasy rat. The cable was gnawed in half, and with it went a vital means of communication with the outside world. The usual way of fixing a five- or six-conductor cable is with... | 20 | 11 | [
{
"comment_id": "4364699",
"author": "Clara",
"timestamp": "2018-02-16T19:35:09",
"content": "Wow, this repair gets two articles?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4364706",
"author": "DainBramage",
"timestamp": "2018-02-16T19:43... | 1,760,374,474.883303 | ||
https://hackaday.com/2018/02/16/retrotechtacular-am-radios-core-memory-and-color-tv-what-was-hot-in-chips-in-73/ | Retrotechtacular: AM Radios, Core Memory, And Color TV, What Was Hot In Chips In ’73 | Jenny List | [
"Engineering",
"Parts",
"Retrotechtacular"
] | [
"1973",
"fairchild",
"Fairchild Semiconductor",
"integrated circuits",
"linear integrated circuits",
"retrotechtacular"
] | As part of writing tech stories such as those we feature here at Hackaday, there is a huge amount of research to be done. We trawl through pages and pages of obscure blogs, videos, and data sheets. Sometimes we turn up resources interesting enough that we file them away, convinced that they contain the nucleus of anot... | 23 | 15 | [
{
"comment_id": "4364656",
"author": "Ostracus",
"timestamp": "2018-02-16T18:26:52",
"content": "“Books like this one that could be had from company sales representatives were highly prized in the days before universal Internet access to data sheets, and the ink-on-paper datasheets within it provide... | 1,760,374,474.828399 | ||
https://hackaday.com/2018/02/16/3d-printed-punch-and-die-stand-up-to-steel/ | 3D-Printed Punch And Die Stand Up To Steel | Dan Maloney | [
"Tool Hacks"
] | [
"carbon fiber",
"die",
"FDM",
"forming",
"machine",
"metal",
"metalworking",
"press brake",
"punch",
"sheet steel",
"tooling"
] | When you think of machine tooling, what comes to mind might be an endmill made of tungsten carbide or a punch and die made of high-speed steel. But surely there’s no room in the machine tool world for 3D-printed plastic tools, especially for the demanding needs of punching parts from sheet metal.
As it turns out, it is... | 8 | 4 | [
{
"comment_id": "4364571",
"author": "weirdwhit",
"timestamp": "2018-02-16T16:49:25",
"content": "14 guage steel, pretty impressive. For reference thats about what cars used to be made of, and as a ex body work tech I used to love working on them, now its closer to 20-22 guage, paper thin.The metal... | 1,760,374,474.7626 | ||
https://hackaday.com/2018/02/16/whatever-happened-to-the-desktop-computer/ | Whatever Happened To The Desktop Computer? | Brian Benchoff | [
"computer hacks",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"crt",
"design",
"desktop case",
"desktop computer",
"tower case"
] | If you buy a computer today, you’re probably going to end up with a laptop. Corporate drones have towers stuffed under their desks. The cool creative types have iMacs littering their open-plan offices. Look around on the online catalogs of any computer manufacturer, and you’ll see there are exactly three styles of comp... | 210 | 50 | [
{
"comment_id": "4364495",
"author": "Jerry",
"timestamp": "2018-02-16T15:18:07",
"content": "Well Brian, business and government still utilize the tower computer,I see them everywhere. Interesting side note, when a government contract is completed/cancelled, the rules say“Remove hard drive, smash i... | 1,760,374,475.096408 | ||
https://hackaday.com/2018/02/16/slow-down-that-hot-rod-camera-dolly/ | Slow Down That Hot Rod Camera Dolly | Steven Dufresne | [
"Misc Hacks"
] | [
"camera",
"camera dolly"
] | [Eric Strebel] uses a small homemade vehicle with his camera mounted on it to get great tracking shots for the intros to his videos. If the movement is slow enough then the effect is quite professional looking. But he wanted it eight times slower. We not only like the simple way he did it, along with how he machined p... | 22 | 7 | [
{
"comment_id": "4364377",
"author": "jpa",
"timestamp": "2018-02-16T12:52:55",
"content": "Considering he drives the wheels by friction on the outer edge of the wheel, the speed should be the same regardless of the wheel size.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,475.154223 | ||
https://hackaday.com/2018/02/17/repairs-you-can-print-a-turn-signal-switch-for-a-chevy-corvair/ | Repairs You Can Print: A Turn Signal Switch For A Chevy Corvair | Jenny List | [
"3d Printer hacks",
"car hacks"
] | [
"car",
"chevrolet",
"chevy corvair",
"classic car",
"corvair",
"Repairs You Can Print"
] | Running a classic car is often an easier prospect than a more recent model, as the mechanical parts have a tendency towards commonality between models, simplicity, and maintenance using basic tools. However assuming some level of parts availability for your model it is not usually the running gear that causes headaches... | 14 | 10 | [
{
"comment_id": "4365423",
"author": "Adobe/Flash hater",
"timestamp": "2018-02-17T23:59:30",
"content": "Oh the joy of finding that a layer of rust has swollen from steel and split the plastic.Was there a chemical incompatibility in the 1960~1970’s that corroded the steel?Or did the plastic just a... | 1,760,374,475.54487 | ||
https://hackaday.com/2018/02/17/the-fine-art-of-acid-etching-brass/ | The Fine Art Of Acid Etching Brass | Tom Nardi | [
"chemistry hacks"
] | [
"brass",
"etching",
"laser",
"LaserTape",
"masking",
"metalworking"
] | If you were building a recreation of the James Watt micrometer, where would you start? If you’re [rasp], the answer would be: “Spend a year trying to find the best way to make etched brass discs.” Luckily for us, he’s ready to
share that information with the rest of the world
. While it’s rather unlikely anyone else is... | 17 | 9 | [
{
"comment_id": "4365291",
"author": "dcfusor2015",
"timestamp": "2018-02-17T18:28:18",
"content": "Here’s another way many people here might relate to:Clickspring does some truly gorgeous work.https://www.youtube.com/watch?v=qpy5O0b7cL8",
"parent_id": null,
"depth": 1,
"replies": []
}... | 1,760,374,475.311862 | ||
https://hackaday.com/2018/02/17/great-beginnings-for-vintage-computing-in-seattle-vcf-pnw/ | Great Beginnings For Vintage Computing In Seattle; VCF PNW | Dan Maloney | [
"cons",
"Hackaday Columns"
] | [
"collector",
"computing history",
"festival",
"history",
"museum",
"retro",
"retrocomputer",
"VCF",
"VCF Pacific Northwest",
"vintage"
] | The pitch to my wife was simple: “Feel like spending the weekend in Seattle?” That’s how I ended up at the inaugural
Vintage Computer Festival Pacific Northwest
last weekend, and I’m glad we made the five-hour drive into The Big City to check it out. Hackaday is a VCF sponsor, after all, so it seemed like a great excus... | 27 | 10 | [
{
"comment_id": "4365206",
"author": "Alan Hightower",
"timestamp": "2018-02-17T15:13:58",
"content": "Not sure who Rob is.. But Mike B. Evan K, Jeff B. Corey C. and Eric K. from VCFed put on a great show! Seattle certainly did not disappoint. Here is another stack of photos:https://www.atlhcs.org... | 1,760,374,475.386396 | ||
https://hackaday.com/2018/02/17/this-boxing-bell-is-a-trip/ | This Boxing Bell Is A Trip | Adam Fabio | [
"classic hacks"
] | [
"bell",
"bells",
"boxing bell",
"trip bell"
] | [MeasuredWorkshop] wanted to know how a boxing bell mechanism worked. The best way to learn is by doing,
so he jumped right in and built one
! Boxing bells are a rare surviving example of the trip bell mechanism. Trip bells were used in schools and public buildings as fire alarms. They’ve since been replaced by modern ... | 8 | 5 | [
{
"comment_id": "4365156",
"author": "Tom",
"timestamp": "2018-02-17T12:21:14",
"content": "Using the feeler gauge when riveting the hinged part to leave enough clearance for it to swing freely is such a good trick. Love it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"co... | 1,760,374,475.433548 | ||
https://hackaday.com/2018/02/17/catching-the-pcie-bus/ | Catching The (PCIe) Bus | Al Williams | [
"FPGA"
] | [
"fpga",
"pci express",
"PCIe",
"RIFFA"
] | If you are trying to learn about FPGAs, there is only so far you can go with the usual blinking lights and VGA outputs. Eventually, you want to do something more. Although not terribly cheap, you can get FPGA boards in a PCIe form-factor and use them directly with PC software. Is it easy? Well, it isn’t flashing an LED... | 24 | 11 | [
{
"comment_id": "4365160",
"author": "jaap",
"timestamp": "2018-02-17T13:17:33",
"content": "If these become more affordable, the first thing I would make would be an infiniband-like cluster fabric.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4365167",
... | 1,760,374,475.49013 | ||
https://hackaday.com/2018/02/16/resurrecting-an-amiga-cd32/ | Resurrecting An Amiga CD32 | Richard Baguley | [
"classic hacks",
"Repair Hacks"
] | [
"amiga",
"CD32",
"console",
"retro",
"retrocomputer"
] | As an editor on Amiga magazines in a previous life, this is kind of bittersweet. [RetroManCave] was donated an Amiga CD32 games system, and it is
trying to resurrect it
. If you’ve not heard of it, the CD32 was a 1993 games console based on the Amiga home computer system. It was the last gasp for Commodore, the beleagu... | 15 | 9 | [
{
"comment_id": "4365009",
"author": "Ostracus",
"timestamp": "2018-02-17T06:09:11",
"content": "The shell looks in remarkably good condition.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4365019",
"author": "Bill S.",
"timestamp": "2018-02-17T06:59:... | 1,760,374,475.59462 | ||
https://hackaday.com/2018/02/16/underwater-logging-for-science/ | Underwater Logging For Science | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"data logger",
"low power",
"underwater"
] | Logging data with an Arduino is old-hat for most Hackaday readers. However, [Patricia Beddows] and [Edward Mallon] had some pretty daunting requirements. Their sensors were going underground and underwater as part of an effort to study conditions underwater and in caves. They needed to be accessible, yet rugged. They d... | 8 | 7 | [
{
"comment_id": "4364984",
"author": "PuceBaboon",
"timestamp": "2018-02-17T04:36:40",
"content": "Edward has brought together tons of diverse information in his Cave Pearl pages, from getting the best out of cheap DS3231 RTC boards to calibrating sensors for better accuracy. Be prepared to lose a ... | 1,760,374,475.63379 | ||
https://hackaday.com/2018/02/18/rejecting-microsofts-phaseout-of-the-kinect/ | Rejecting Microsoft’s Phaseout Of The Kinect | Tom Nardi | [
"Kinect hacks",
"Peripherals Hacks",
"Slider",
"Xbox Hacks"
] | [
"Kinect",
"microsoft",
"planned obsolescence",
"xbox",
"xbox one"
] | You might not be aware unless you’re up on the latest gaming hardware, but Microsoft is trying to kill the Kinect. While the Xbox One famously included it as a mandatory pack-in accessory at launch (this was later abandoned to get the cost down), the latest versions of the system don’t even have the proprietary port to... | 34 | 9 | [
{
"comment_id": "4366858",
"author": "Mike R",
"timestamp": "2018-02-18T19:23:04",
"content": "In b4 someone laughs at the solder job. :DThanks for sharing! It’s nice to see how easy it is to accomplish. I could see modifying the cable similarly, or even adding a jack to the back of the Kinect inste... | 1,760,374,475.707956 | ||
https://hackaday.com/2018/02/18/threat-meter-gauges-risk-of-creeper-assisted-suicide/ | Threat Meter Gauges Risk Of Creeper-Assisted Suicide | Dan Maloney | [
"LED Hacks"
] | [
"creeper",
"games",
"minecraft",
"Minecraft mod",
"mob",
"neopixel",
"RedBoard",
"serial",
"usb"
] | If you’ve played even just a few minutes of Minecraft, you know what a creeper is. For those not familiar with the wildly popular sandbox game, a creeper is a monster that creeps along silently until it’s close to a player, whereupon it self-destructs by exploding. Sometimes it kills the player outright, and other time... | 21 | 7 | [
{
"comment_id": "4366717",
"author": "Nitpicker Smartyass",
"timestamp": "2018-02-18T16:18:18",
"content": "never played minecraft. always thought (because of the graphics) that whole thing was a joke. My granddaughter told me it’s not.Now I want my life back.",
"parent_id": null,
"depth": 1... | 1,760,374,475.935412 |
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