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https://hackaday.com/2017/09/04/the-robot-body-electric/ | The (Robot) Body Electric | Al Williams | [
"Robots Hacks"
] | [
"electroadhesion",
"electrostatic",
"manufacturing",
"robot arm"
] | If you deal with electronics, you probably think of static electricity as a bad thing. It blows up MOSFETs and ICs and we take a lot of pains to prevent that kind of damage. But a start-up company called Grabit is using static electricity as a way to allow robots to manipulate the real world. In particular, Nike is usi... | 13 | 5 | [
{
"comment_id": "3966589",
"author": "three_d_dave",
"timestamp": "2017-09-05T03:00:25",
"content": "Static electricity is fine. Electrostatic Discharge is not.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3966824",
"author": "trevor",
"timestamp": "... | 1,760,374,691.320776 | ||
https://hackaday.com/2017/09/03/hackaday-links-september-3-2017/ | Hackaday Links: September 3, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"aa battery",
"DIY synth",
"graphing calculator",
"Jan",
"Juicero",
"pcb art",
"solar plane",
"synth",
"test equipment"
] | The TI-83, TI-84, and TI-86 have been the standard graphing calculators in classrooms for two decades.
This is the subject of an xkcd
. Now, hopefully, there’s a contender for the throne.
Numworks
is a graphing calculator that looks like it was designed in
at least 2006
(so very modern), and apparently,
there’s a huge ... | 35 | 6 | [
{
"comment_id": "3963114",
"author": "Eugene Nine",
"timestamp": "2017-09-03T23:42:47",
"content": "What Numworks seems to be missing is RPN entry",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3963588",
"author": "erichay",
"timestamp": "201... | 1,760,374,691.397286 | ||
https://hackaday.com/2017/09/03/hackaday-prize-entry-remote-control-by-head-gestures/ | Hackaday Prize Entry: Remote Control By Head Gestures | Dan Maloney | [
"Medical Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"assistive technolgy",
"head gesture",
"impairment",
"ir",
"mobility",
"opencv",
"remote",
"tv",
"web cam"
] | Some people may think they’re having a bad day when they can’t find the TV remote. Yet there are some people who can’t even hold a remote, let alone root around in the couch cushions where the remote inevitably winds up. This entry in the Assistive Technologies phase of the 2017 Hackaday Prize seeks to help such folks,... | 8 | 5 | [
{
"comment_id": "3963053",
"author": "Steven Clark",
"timestamp": "2017-09-03T22:42:19",
"content": "For the “you could do this with a 555” equivalent for this: an EDtracker on a headband and an IR LED.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4014872"... | 1,760,374,691.220901 | ||
https://hackaday.com/2017/09/03/have-alexa-open-your-garage-door/ | Have Alexa Open Your Garage Door | John Baichtal | [
"home hacks"
] | [
"alexa",
"garage door opener",
"home automation",
"reed switch",
"relay"
] | [yoyotechKnows] built an
Alexa-controlled garage door opener
after his Liftmaster stopped working. Now all he has to do is holler at his mobile phone and he can raise and lower his garage doors at will.
His project is based around a Photon WiFi kit, with a pair of LCC 120 digital relays triggering the two doors, reed s... | 17 | 12 | [
{
"comment_id": "3962727",
"author": "Max",
"timestamp": "2017-09-03T17:07:11",
"content": "Hey, Now I can walk up to his front door or patio door and yell at Alexa to open the garage door. She can hear very well, so she’ll listen to me.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,691.605585 | ||
https://hackaday.com/2017/09/03/make-cars-safer-by-making-them-softer/ | Make Cars Safer By Making Them Softer | James Hobson | [
"car hacks",
"Slider",
"Transportation Hacks"
] | [
"Alphabet",
"autonomous",
"car",
"Corrugated",
"Cushion",
"google",
"Panels",
"self-driving",
"soft",
"vehicle",
"Waymo"
] | Would making
autonomous vehicles softer
make them safer?
Alphabet’s self-driving car offshoot, Waymo, feels that may be the case as they were recently granted a patent for vehicles that soften on impact. Sensors would identify an impending collision and adjust ‘tension members’ on the vehicle’s exterior to cushion the ... | 78 | 15 | [
{
"comment_id": "3962560",
"author": "A.G.",
"timestamp": "2017-09-03T14:01:42",
"content": "Rubber foam is still a much under-used material… ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3962565",
"author": "Dave Davidson",
"timestamp":... | 1,760,374,691.552911 | ||
https://hackaday.com/2017/09/03/how-to-select-just-about-any-electronic-part/ | How To Select Just About Any Electronic Part | Jenny List | [
"Parts"
] | [
"components",
"electronic components",
"electronic parts",
"parts",
"parts selection"
] | Sometimes you see an excellent post somewhere else on the web, and then discover that it is one of a series of similarly good posts that you completely missed when they were published. If you are a Hackaday scribe you are left wondering how you managed to pass them by, and then why on earth you didn’t think of writing ... | 14 | 5 | [
{
"comment_id": "3962380",
"author": "RÖB",
"timestamp": "2017-09-03T11:19:33",
"content": "lol, I took one look at the article picture and then looked towards the author name expecting to see [Jenny List] and my expectations were met.There are some components that I am not sure about and where is t... | 1,760,374,691.274169 | ||
https://hackaday.com/2017/09/03/poetry-in-motion-with-a-sand-dispensing-dot-matrix-printer/ | Poetry In Motion With A Sand-Dispensing Dot Matrix Printer | Dan Maloney | [
"Robots Hacks"
] | [
"art",
"dot matrix",
"performance art",
"poetry",
"printer",
"sand",
"servo"
] | Hackaday gets results! Reader [John] saw our recent Fail of the Week post about a “sand matrix printer” and decided to share his own version,
a sand-dispensing dot matrix printer
he built last year.
Granted, [John]’s version is almost the exact opposite of
[Vjie Miller]’s failed build
, which sought to make depressions... | 12 | 6 | [
{
"comment_id": "3962592",
"author": "Steve123",
"timestamp": "2017-09-03T14:37:50",
"content": "Ultrafire batteries. Be careful with those.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3962652",
"author": "scott t",
"timestamp": "2017-09-0... | 1,760,374,691.890073 | ||
https://hackaday.com/2017/09/02/tracing-a-scene-an-old-fashioned-way/ | Tracing A Scene An Old-Fashioned Way | James Hobson | [
"Misc Hacks"
] | [
"art",
"camera",
"linkage",
"Obscura",
"pantograph",
"picture",
"pinhole",
"plexiglass",
"tracing"
] | Taking a picture is as simple as tapping a screen. Drawing a memorable scene, even when it’s directly in front of you, is a different skill entirely. So trace it! Well, that’s kind of hard to do without
appropriate preparation
.
[bobsteaman]’s method is to first whip up a pantograph — it tested well with a felt marker ... | 23 | 6 | [
{
"comment_id": "3961751",
"author": "Dan",
"timestamp": "2017-09-03T06:27:56",
"content": "You can do a modification of this where there is a sheet of Plexiglas attached to the pantograph and it just has a small dot on it. This lets you look at the scene without the wooded parts actually travelling... | 1,760,374,691.843262 | ||
https://hackaday.com/2017/09/01/dumb-stb-gets-smart/ | Dumb STB Gets Smart | Anool Mahidharia | [
"hardware",
"home entertainment hacks"
] | [
"arduino",
"Belgium",
"cisco",
"ePVQ6200",
"esp-12f",
"ESP8266",
"IRrecvDumpV2",
"set top box",
"VOOcorder"
] | [Vincent Deconinck] gave a fresh lease of life to an old
set top box by adding a few Euro’s worth of hardware
and some software smarts. The device in question is an old VOOcorder – a Cisco set-top box provided by VOO, his cable service provider in Belgium.
The VOOcorder doesn’t have any WiFi hardware or browser / app b... | 5 | 3 | [
{
"comment_id": "3960246",
"author": "Dave Davidson",
"timestamp": "2017-09-02T13:26:02",
"content": "Imagine using Sigrok and a Salae clone to sniff IR signals crazy",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3960308",
"author": "Olsen",
"timestam... | 1,760,374,691.438507 | ||
https://hackaday.com/2017/09/01/linux-graphics-programming/ | Linux Graphics Programming | Al Williams | [
"Linux Hacks"
] | [
"dri",
"frame buffer",
"graphics",
"linux",
"x11"
] | There was a time when embedded system developers didn’t need to worry about graphics. When you have a PIC processor and two-line LCD, there isn’t much to learn. But if you are deploying Linux-based systems today, graphics are a real possibility. There are many options for doing Linux graphics including Wayland, X11, an... | 24 | 14 | [
{
"comment_id": "3959556",
"author": "Ostracus",
"timestamp": "2017-09-02T02:04:14",
"content": "And then there’s Ncurses for the “graphics” without graphics.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3959589",
"author": "bender bending nonright... | 1,760,374,691.77617 | ||
https://hackaday.com/2017/09/01/new-part-day-pluggable-esp-modules/ | New Part Day: Pluggable ESP Modules | Brian Benchoff | [
"Hackaday Columns"
] | [
"ESP",
"ESP8266",
"esp8285"
] | Almost exactly four years ago, we came across a really neat module for sale on SeeedStudios. It was a $5 WiFi chip, able to connect your microcontroller project to the Internet with just a handful of wires and a few AT commands.
This was the ESP8266
, and it has since spawned an entire ecosystem of connected devices.
N... | 52 | 27 | [
{
"comment_id": "3959310",
"author": "drwho8 (@drwho8)",
"timestamp": "2017-09-01T23:09:46",
"content": "I’m impressed. No really. But how did you write all of that surrounded by 2 million hungry and purring tribbles? [See Mike S’s remarks concerning DEF CON badges and why they descended on all of y... | 1,760,374,692.096632 | ||
https://hackaday.com/2017/09/01/follow-the-bouncing-ball-of-entropy/ | Follow The Bouncing Ball Of Entropy | Brian McEvoy | [
"Arduino Hacks"
] | [
"arduino",
"Arduino Uno",
"art",
"babble",
"ball",
"digital",
"frequency",
"kinetic",
"piezo",
"poetry",
"poetry robot",
"pseudo-random",
"rand",
"random",
"random number generator",
"rube goldberg",
"speaker",
"square wave",
"tone",
"uno"
] | When [::vtol::] wants to generate random numbers he doesn’t simply type rand() into his Arduino IDE, no, he builds
a piece of art
. It all starts with a knob, presumably connected to a potentiometer, which sets a frequency. An Arduino UNO takes the reading and generates a tone for an upward-facing speaker. A tiny ball ... | 9 | 6 | [
{
"comment_id": "3959147",
"author": "Noah Andersen",
"timestamp": "2017-09-01T21:30:52",
"content": "One would presume that it must be something akin to a normally distributed ‘random number’ whose (mu, sigma) are determined by the frequency set..? That is, you wouldn’t expect that the shortest or... | 1,760,374,691.99698 | ||
https://hackaday.com/2017/09/01/hackaday-prize-entry-an-e-ink-calendar/ | Hackaday Prize Entry: An E-Ink Calendar | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"e-ink",
"eink"
] | E-ink displays are becoming almost common in DIY electronics circles, and now we have very capable, low-power microcontrollers, some of which feature some sort of wireless connectivity. Combine these two, and you have the potential for a basic information screen — a low-power device that always displays some sort of re... | 12 | 8 | [
{
"comment_id": "3958963",
"author": "Richard Collins",
"timestamp": "2017-09-01T19:08:08",
"content": "eInk displays are really nice. Good project will be watching it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3959064",
"author": "Ostracus",
... | 1,760,374,691.948047 | ||
https://hackaday.com/2017/09/01/the-wrencher-on-the-road-in-the-uk/ | The Wrencher On The Road In The UK | Jenny List | [
"cons",
"Hackaday Columns"
] | [
"hackaday",
"Hackaday Meetup",
"Hackaday Meetups",
"london",
"london unconference",
"meetups",
"OSHUG",
"unconference",
"wuthering bytes"
] | Here at Hackaday, we are a team of technical writers who spend our days keeping abreast of the wonderful world of hardware as we write up the interesting things that cross our timelines and serve them up everyone to enjoy. That is however only part of the picture, the other half of the Hackaday family is you, our reade... | 4 | 3 | [
{
"comment_id": "3958833",
"author": "CRImier",
"timestamp": "2017-09-01T17:50:42",
"content": "It’s funny how Arduino Uno on the pic is a clone with a CH340 ;-P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3958916",
"author": "Jenny List",
... | 1,760,374,692.41461 | ||
https://hackaday.com/2017/09/01/building-set-limitations-make-for-z-height-follies/ | Building Set Limitations Make For Z-Height Follies | John Baichtal | [
"cnc hacks",
"Hackaday Columns",
"Interest"
] | [
"actobotics",
"building set",
"lead screw",
"z-axis"
] | I’m working
on a small CNC mill
that uses a robotics building set as a starting point. I don’t know what to expect from the process. Maybe the connections will be too wobbly for the machine to be anything but a curiosity. Maybe I’ll be able to do pen plotting and balsa carving but nothing tougher than that. My goal is ... | 19 | 13 | [
{
"comment_id": "3958795",
"author": "infrared411",
"timestamp": "2017-09-01T17:12:42",
"content": "I would try to preserve it as much as possible so that when you publish plans for it, the others who try to replicate the build will be able to do so and hack theirs if need be. This way your second i... | 1,760,374,692.620446 | ||
https://hackaday.com/2017/09/02/cryptocurrency-mining-post-bitcoin/ | Cryptocurrency Mining Post-Bitcoin | Bryan Cockfield | [
"computer hacks"
] | [
"bitcoin",
"computer",
"etherium",
"extruded rail",
"frame",
"gpu",
"mining"
] | While the age of using your own computer to mine Bitcoin during spare CPU cycles has long passed, average folks aren’t entirely shut out of the cryptocurrency game yet. Luckily, Bitcoin isn’t the only game in town anymore, and with GPUs coming down in price
it’s possible to build a mining rig for other currencies like ... | 46 | 16 | [
{
"comment_id": "3961487",
"author": "o0ragman0o",
"timestamp": "2017-09-03T02:19:27",
"content": "If you’re going to encourage people to mine ‘Ethereum’ at a time when it’s about to move to Proof of Stake, please spell it correctly",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,692.498997 | ||
https://hackaday.com/2017/09/02/hack-together-a-whack-a-mole-in-a-box/ | Hack Together A Whack-A-Mole In A Box! | James Hobson | [
"Misc Hacks"
] | [
"arcade",
"Arduino IDE",
"button",
"game",
"hackaday.io",
"mole",
"Multi-Control Board",
"whack-a-mole"
] | Here’s a project that you can throw together in an afternoon, provided you have the parts on hand, and is certain to entertain. Hackaday.io user [
SunFounder] walks us through the process of t
ransforming a humble
cardboard box into a whack-a-mole game
might be just the ticket to pound out some stress or captivate any ... | 2 | 2 | [
{
"comment_id": "3961602",
"author": "DV Henkel-Wallace",
"timestamp": "2017-09-03T04:14:16",
"content": "Oh come on, even I knew back when I was a kid playing on the Game and Watch that the real name of this game is “Club the Baby Seals”For you whippersnappers, this is the Game and Watch version, c... | 1,760,374,692.65724 | ||
https://hackaday.com/2017/09/02/hackaday-prize-entry-fighting-dehydration-one-sip-at-a-time/ | Hackaday Prize Entry: Fighting Dehydration One Sip At A Time | Dan Maloney | [
"Medical Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"ble",
"Cypress PSOC",
"dehydration",
"elder care",
"flowmeter",
"fluids",
"hydration",
"prevention"
] | Humans don’t survive long without water, and most people walk around in a chronic state of mild dehydration even if they have access to plenty of drinking water. It’s hard to stay properly hydrated, and harder still to keep track of your intake, which is the idea behind
this water-intake monitoring IoT drinking straw
.... | 22 | 10 | [
{
"comment_id": "3960789",
"author": "sexton16",
"timestamp": "2017-09-02T20:19:15",
"content": "I’ll be damned if I would suck my coffee through that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3961087",
"author": "Zane",
"timestamp": "2... | 1,760,374,692.560778 | ||
https://hackaday.com/2017/09/02/coca-colas-new-3d-times-square-sign-invokes-inceptionism/ | Coca-Cola’s New 3D Times Square Sign Invokes Inceptionism | Steven Dufresne | [
"LED Hacks"
] | [
"advertising",
"led",
"LED array",
"LED screen",
"morph",
"signs"
] | Coca-Cola has updated their sign in Times Square, and this one
has a mesmerizing 3D aspect to it
, giving the spooky feeling you get from watching buildings curl up into the sky in the movie, Inception. That 3D is created by breaking the sign up into a 68’x42′ matrix of 1760 LED screens that can be independently extend... | 58 | 20 | [
{
"comment_id": "3960449",
"author": "JH",
"timestamp": "2017-09-02T17:08:33",
"content": "Since I’m on the marketing emails list for a bunch of companies, about all I can tell you is that they used cables from Cicoil (https://www.cicoil.com/blog/company-news/item/world-s-first-3d-robotic-sign-power... | 1,760,374,693.07074 | ||
https://hackaday.com/2017/09/02/nerf-gun-ammo-counter-and-range-finder/ | Nerf Gun Ammo Counter And Range Finder | Rich Hawkes | [
"Raspberry Pi",
"Toy Hacks"
] | [
"nerf gun",
"nerf hacks",
"proximity sensor",
"python",
"rainbow hat",
"Raspberry Pi Zero",
"ultrasonic rangefinder"
] | The proliferation of breakout boards that the DIY electronics movement has allowed has been staggering. Buy a few different boards, wire them together to a microcontroller or credit-card computer (both on their own breakout board) and write a bit of code, and you can create some really interesting things. Take Reddit u... | 18 | 10 | [
{
"comment_id": "3960284",
"author": "efe",
"timestamp": "2017-09-02T14:14:09",
"content": "A raspberry pi seems a bit Overkill for this job",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3960562",
"author": "Dave Davidson",
"timestamp": "201... | 1,760,374,692.710613 | ||
https://hackaday.com/2017/09/02/a-bluepill-for-arduino-dependence/ | A BluePill For Arduino Dependence | Michael Uttmark | [
"hardware",
"News"
] | [
"arduino",
"arm",
"ARM tutorials",
"bluepill",
"platformio",
"tutorial"
] | Arduinos are helpful but some applications require more than what Arduinos can provide. However, it’s not always easy to make the switch from a developed ecosystem into the abyss that is hardware engineering. [Vadim] noticed this, which prompted him to write
a guide to shepherd people on their quest for an Arduino-free... | 48 | 17 | [
{
"comment_id": "3960152",
"author": "codifies",
"timestamp": "2017-09-02T11:37:31",
"content": "“crippling Arduino dependency” what rot, I use FPGA’s and all sorts of varied devices, I always have some avr’s with a bootloader blown on them, just purely for ease and convenience, just the other day ... | 1,760,374,692.858989 | ||
https://hackaday.com/2017/09/02/fight-mold-and-mildew-with-an-iot-bathroom-fan/ | Fight Mold And Mildew With An IoT Bathroom Fan | Dan Maloney | [
"home hacks"
] | [
"bathroom",
"blynk",
"dht11",
"humidity",
"IoT",
"relay",
"shield",
"Wemos"
] | Delicious sheets of wallboard coated with yummy latex paints, all kept warm and moist by a daily deluge of showers and habitually forgetting to turn on the bathroom exhaust fan. You want mildew? Because that’s how you get mildew.
Fed up with the fuzzy little black spots on the ceiling, [Innovative Tom] decided to make ... | 24 | 10 | [
{
"comment_id": "3959944",
"author": "ReallyLameUsername",
"timestamp": "2017-09-02T08:47:08",
"content": "Cool the builder hacked something together, but when I thought about it as part of my home auto, I researched a bit and most bathroom vent fans come with a humidistat nowadays, even the under $... | 1,760,374,692.769556 | ||
https://hackaday.com/2017/09/04/hackaday-prize-entry-elderly-autonomous-fall-detection/ | Hackaday Prize Entry: Elderly Autonomous Fall Detection | Anool Mahidharia | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Cayenne",
"ESP8266",
"health care",
"health monitor",
"MyDevice Cayenne"
] | For his Hackaday Prize entry, [having11] is building a
simple and cheap fall detection notification button
that can be worn by senior citizens, young kids, or others affected by medical conditions. [having11] did some fact-finding, and it appears that falls are one of the
leading causes of injury for seniors
, accordin... | 16 | 12 | [
{
"comment_id": "3966150",
"author": "Saabman",
"timestamp": "2017-09-04T23:24:28",
"content": "That could be applied to man down duress alarms current ones used in the facility I work in onlyboperate in one direction",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,374,693.12034 | ||
https://hackaday.com/2017/09/04/the-day-six-spaceships-landed-in-england/ | The Day Six Spaceships Landed In England | Jenny List | [
"classic hacks"
] | [
"bbc",
"flying saucer",
"hoax",
"UFO"
] | The BBC, as the British national broadcaster for so many decades, now finds itself also performing the function of keeper of a significant part of the collective national memory. Thus they have an unrivaled resource of quality film and audio recordings on hand for when they look back on the anniversary of a particular ... | 36 | 8 | [
{
"comment_id": "3965461",
"author": "Jerry",
"timestamp": "2017-09-04T18:54:52",
"content": "I want to believe..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3965535",
"author": "donvukovic",
"timestamp": "2017-09-04T19:16:38",
"content": "I won... | 1,760,374,693.253967 | ||
https://hackaday.com/2017/09/04/tough-pi-ano-can-take-a-punch/ | Tough Pi-ano Can Take A Punch | Brian McEvoy | [
"Musical Hacks",
"Raspberry Pi"
] | [
"accessibility",
"Electronic Keyboard",
"instrument",
"music",
"piano",
"pygame",
"python"
] | There will be no delicate solos for [24 Hour Engineer’s]
Tough Pi-ano
. It was built to soak punishment from aggressive youngsters in musical therapy, specifically those on the autism spectrum and those with Down’s syndrome. The Tough Pi-ano will be bolted to a wall with heavy-duty shelf brackets so it can’t fall on an... | 14 | 4 | [
{
"comment_id": "3965122",
"author": "Greg A",
"timestamp": "2017-09-04T17:12:20",
"content": "“The redundancy ensures that a hardware failure only drops out a single octave” lol. what you meant to say is, he couldn’t figure out how to get 48 inputs into a single pi. kids these days, man.",
"par... | 1,760,374,693.180587 | ||
https://hackaday.com/2017/09/04/impressive-drawing-machine-for-one-made-so-simply/ | Impressive Drawing Machine For One Made So Simply | Steven Dufresne | [
"Misc Hacks"
] | [
"arduino",
"drawing",
"drawing bot",
"drawing robot"
] | Not all of us have CNC machines, laser cutters and 3D printers, and I’ll bet most of us didn’t start out that well equipped. The
low-cost drawing machine
that [jegatheesan] made for his daughter reminds us that you can prototype, and then make a functioning mechanical Da Vinci with very basic materials and mostly hand ... | 3 | 2 | [
{
"comment_id": "3965002",
"author": "Andrei",
"timestamp": "2017-09-04T16:37:23",
"content": "Finally, I was waiting for someone to copy the kick starter:http://www.kickstarter.com/projects/line-us/line-us-the-little-robot-drawing-arm",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,693.339702 | ||
https://hackaday.com/2017/09/04/a-floppy-drive-for-apples-pippin/ | A Floppy Drive For Apple’s Pippin | Brian Benchoff | [
"classic hacks"
] | [
"apple",
"Apple Pippin",
"floppy",
"Floppy Emu",
"Pippin"
] | The Pippin was Apple’s first and last foray into gaming consoles. At its heart, the Pippin was a strange ‘multimedia device’ with a CD-ROM, the potential for Internet access, a few neat controllers, and the guts of a very bare-bones PowerPC Macintosh. Think of a cross between a 3DO and WebTV, and you’ll get an idea of ... | 5 | 3 | [
{
"comment_id": "3964586",
"author": "Loser",
"timestamp": "2017-09-04T13:05:32",
"content": "[Pierre] has cloned the (passive) PCB that allows a human centipede and Macintosh floppy drive to plug directly into the Pippin.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,374,693.29836 | ||
https://hackaday.com/2017/09/03/rolling-around-a-4th-axis/ | Rolling Around A 4th Axis | Brian Benchoff | [
"cnc hacks",
"Slider"
] | [
"4th axis",
"cnc",
"CNC router"
] | [Perry] was interested in adding a 4th axis to his CNC machine, but not very excited at the prospect of spending hundreds of dollars on the parts and electronics to make it work. There is a very clever and very inexpensive way to add a 4th axis to a CNC machine, though, and after a bit of fabrication, he was able to
ad... | 23 | 16 | [
{
"comment_id": "3963553",
"author": "t-bone",
"timestamp": "2017-09-04T05:27:49",
"content": "This is kind of funny, because you sort of do it like this in Mastercam, too.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3965036",
"author": "ganzuul",... | 1,760,374,693.528393 | ||
https://hackaday.com/2017/09/03/polyurethane-meet-3d-printing/ | Polyurethane, Meet 3D Printing | Elliot Williams | [
"3d Printer hacks"
] | [
"3d prining",
"3D printed mold",
"polyurethane",
"prototyping"
] | 3D printing makes prototyping wonderful. But what do you do when your plastics of choice just aren’t strong enough? For [Michael Memeteau], the answer was to combine the
strength of a vacuum-poured polyurethane part with the ease of 3D-printed molds
. The write-up is a fantastic walk through of a particular problem and... | 9 | 3 | [
{
"comment_id": "3963312",
"author": "Internet",
"timestamp": "2017-09-04T02:09:44",
"content": "http://lcamtuf.coredump.cx/gcnc/ch4/Just going to leave this here. It’s a fantastic resource for thermoset urethane mold work.From the link:“Toxic catalysts: minutiae amounts of harmful organomercury sal... | 1,760,374,693.400418 | ||
https://hackaday.com/2017/09/01/how-low-power-can-you-go/ | How Low-Power Can You Go? | James Hobson | [
"3d Printer hacks",
"Misc Hacks"
] | [
"battery",
"Betavoltaic",
"Cetus3D",
"low power",
"motor",
"nuclear",
"Tritium"
] | [lasersaber] has a passion: low-power motors. In a bid to challenge himself and inspired by betavoltaic cells, he has 3D printed and built a small
nuclear powered
motor!
This photovoltaic battery uses fragile glass vials of tritium extracted from keychains and a small section of a solar panel to absorb the light, gener... | 28 | 12 | [
{
"comment_id": "3958685",
"author": "cbob",
"timestamp": "2017-09-01T15:56:30",
"content": "the brave new world of the nuclear powered vent fan? (might actually be useful)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3958957",
"author": "stickben"... | 1,760,374,693.463834 | ||
https://hackaday.com/2017/09/01/ethereum-gpu-mining-is-back-but-for-how-long/ | Ethereum: GPU Mining Is Back But For How Long? | Jack Laidlaw | [
"Featured",
"Interest",
"Original Art"
] | [
"amd",
"bitcoin",
"blockchain",
"cryptocurrency",
"ether",
"Ethereum",
"gpu mining",
"graphics card"
] | By now, everyone and their dog has at least heard of
Bitcoin.
While no government will accept tax payments in Bitcoin just yet, it’s ridiculously close to being real money. We’ve even paid for pizza delivery in Bitcoin. But it’s not the only cryptocurrency in town.
Ethereum initially launched in 2015 is an open source,... | 66 | 17 | [
{
"comment_id": "3958505",
"author": "anszom",
"timestamp": "2017-09-01T14:12:25",
"content": "“The algorithm also has built-in ASIC detection and will refuse to mine properly on them.”How exactly is that supposed to work?I understand that one could design an algorithm which is not well suited for e... | 1,760,374,694.767956 | ||
https://hackaday.com/2017/09/01/an-environmentally-conscious-solar-powered-throwie/ | An Environmentally Conscious, Solar-Powered Throwie | James Hobson | [
"LED Hacks"
] | [
"battery",
"led",
"magnet",
"power",
"solar",
"throwie"
] | The basic throwie is a a type of street art/graffiti/vandalism — depending on where you stand — consisting of a coin cell, an led, and a magnet taped together. Seeking to be a slightly more eco-friendly troublemaker, [
Alaric Loftus
] has kindly put together an Instructable on how to build a
solar-powered throwie
!
In ... | 24 | 10 | [
{
"comment_id": "3958193",
"author": "Jon H",
"timestamp": "2017-09-01T11:14:57",
"content": "Throwies are dumb.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3959282",
"author": "Whatnot",
"timestamp": "2017-09-01T22:57:10",
"conten... | 1,760,374,693.82604 | ||
https://hackaday.com/2017/09/01/a-compact-portable-pantograph-camera-slider/ | A Compact, Portable Pantograph Camera Slider | Dan Maloney | [
"digital cameras hacks",
"Misc Hacks"
] | [
"camera",
"camera slider",
"pan",
"panning",
"pantograph",
"slider",
"timing belt"
] | Ho, hum, another camera slider, right? Wrong — here’s
a camera slider with a literal twist
.
What sets [Schijvenaars]’ slider apart from the pack is that it’s not a slider, at least not in the usual sense. A slider is a mechanical contrivance that allows a camera to pan smoothly during a shot. Given that the object is ... | 14 | 7 | [
{
"comment_id": "3958112",
"author": "Jeff NME",
"timestamp": "2017-09-01T10:07:39",
"content": "That does look look like a nice and smooth system.Incidently: that’s called “dollying” (moving the whole camera relative to the scenery, usually on a thing on tracks called a “dolly”), panning is when th... | 1,760,374,693.76429 | ||
https://hackaday.com/2017/08/31/wearable-foxhunt-transmitter-for-conventions/ | Wearable Foxhunt Transmitter For Conventions | John Baichtal | [
"Radio Hacks"
] | [
"amateur radio",
"fox hunt",
"ham",
"PCB etching"
] | Amateur radio operator [KE4FOX] wanted to build his own 2M
fox hunt transmitter
for use at conventions. It would be contained in a 1020 Pelican micro case and attached to a person who would walk around transmitting a signal, leaving the hams to track down the fox. The project uses a DRA818 VHF/UHF transceiver plugged i... | 13 | 9 | [
{
"comment_id": "3957788",
"author": "Electra",
"timestamp": "2017-09-01T06:08:02",
"content": "At least it was attached to an actual Fox this year and not a Wolf! :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3957891",
"author": "Kell",
... | 1,760,374,693.925442 | ||
https://hackaday.com/2017/08/31/open-source-barbot-needs-only-two-motors/ | Open Source Barbot Needs Only Two Motors | John Baichtal | [
"Misc Hacks"
] | [
"barbot",
"cocktail robotics",
"drinkbot"
] | Most drinkbots are complicated—some intentionally so, others seemingly by design necessity. If you have a bunch of bottles of booze you still need a way to get it out of the bottles in a controlled fashion, usually through motorized pouring or pumping. Sometimes all thoe tubes and motors and wires looks really cool and... | 16 | 7 | [
{
"comment_id": "3957346",
"author": "Ostracus",
"timestamp": "2017-09-01T02:07:42",
"content": "Read initially as barebot. Oh my, all those naked gears and motors.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3957389",
"author": "Ren",
"timestamp": ... | 1,760,374,693.876722 | ||
https://hackaday.com/2017/08/31/fail-of-the-week-arduino-sand-matrix-printer/ | Fail Of The Week: Arduino Sand Matrix Printer | Jenny List | [
"Arduino Hacks",
"Fail of the Week"
] | [
"arduino",
"cardboard",
"dot matrix",
"fail of the week",
"fotw",
"sand",
"sand printer"
] | NYC beaches are where tropical beaches addicted to meth go to die. So says [Vije Miller] in his write-up for
his Arduino sand matrix printer
. It’s a clever idea, five servo-operated cardboard plungers that indent a pattern of dots in the sand as the device is pulled forward, resulting in something not unlike a dot mat... | 29 | 10 | [
{
"comment_id": "3957035",
"author": "RF Dweeb",
"timestamp": "2017-08-31T23:11:49",
"content": "Video is unavailable.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3957110",
"author": "plouc",
"timestamp": "2017-09-01T00:11:09",
"co... | 1,760,374,694.158535 | ||
https://hackaday.com/2017/08/31/xyz-printing-unveils-inkjet-based-filament-printer/ | XYZ Printing Unveils Inkjet-Based Filament Printer | Brian Benchoff | [
"3d Printer hacks",
"News"
] | [
"3d printer",
"CMYK",
"CMYKW",
"color printer",
"DaVinci"
] | XYZ Printing, makers of the popular da Vinci line of 3D printers, have just released one of the holy grails of desktop 3D printing.
The da Vinci Color
is a full-color, filament based printer. How does this work? A special filament (Color PLA, although this filament is
white
in color) is extruded through a nozzle like a... | 21 | 12 | [
{
"comment_id": "3956662",
"author": "joshumax",
"timestamp": "2017-08-31T20:10:02",
"content": "Does the ink cost 3x as much as regular printer ink and claim it’s empty at only half way like XYZPrinting’s “custom” filament?",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,374,694.086584 | ||
https://hackaday.com/2017/08/31/hackaday-prize-entry-espmetric-a-simple-and-easy-matrix/ | Hackaday Prize Entry: ESPMetric, A Simple And Easy Matrix | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"arduino",
"matrix",
"neomatrix",
"neopixel"
] | There’s a lot you can do with a bunch of LEDs connected to the Internet. You can display the time, the weather, the bus schedule, or any one of a number of important data points in your life. Custom matrices are a pain in the butt to set up, which is why we like to see one looking rather polished and clean. [Faire-soi-... | 5 | 3 | [
{
"comment_id": "3956991",
"author": "Saabman",
"timestamp": "2017-08-31T21:51:49",
"content": "Looks very nice,Scrolling text seems to be a very difficult function to get working smoothly. There is obviously a lot that needs to happen with very precise timing to get it transition pixel by pixel in ... | 1,760,374,694.017545 | ||
https://hackaday.com/2017/08/31/review-aneng-lt-001-usb-soldering-iron/ | Review: Aneng LT-001 USB Soldering Iron | Jenny List | [
"Featured",
"Reviews"
] | [
"Aneng LT-001",
"review",
"soldering iron",
"usb"
] | When it comes to soldering irons, most of us are likely to be in agreement that there is a level of quality below which we will not descend. To do a decent job requires a decent tool, and when it comes to soldering that means a good quality temperature controlled iron with a decent power level and a quality bit. Anythi... | 38 | 17 | [
{
"comment_id": "3955782",
"author": "thedryparn",
"timestamp": "2017-08-31T17:08:46",
"content": "I have a handful of those (they are so damn cheap) and i put them everywhere. Just perfect for the fast soldering job on the fly. Not for any bigger job or big ground planes but it’s perfectly adequate... | 1,760,374,694.33726 | ||
https://hackaday.com/2017/08/31/stunning-fake-polaroid-camera-performs-magic/ | Stunning Fake Polaroid Camera Performs Magic | Anool Mahidharia | [
"digital cameras hacks",
"Raspberry Pi",
"Slider"
] | [
"camera",
"GIF",
"photograph",
"pi zero",
"polaroid",
"raspberry pi"
] | It’s high time us Muggles got our hands on the hardware used to take Magical Photographs as seen in The Daily Prophet. The first pioneering step in that direction has been taken by [Abhishek] who built this
moving picture taking polaroid-ish camera
, which he’s calling the “Instagif NextStep”. It’s a camera that record... | 39 | 14 | [
{
"comment_id": "3955377",
"author": "Ben",
"timestamp": "2017-08-31T15:46:41",
"content": "Newer iPhones already do this whenever you take a photo. The difference is you can’t hold that moving photo in your hand though, which is what makes this build really cool.",
"parent_id": null,
"depth... | 1,760,374,694.416656 | ||
https://hackaday.com/2017/08/31/way-to-go-einstein-his-time-spent-being-wrong/ | Way To Go, Einstein; His Time Spent Being Wrong | Will Sweatman | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"biography",
"einstein",
"quantum",
"relativity"
] | When you hear someone say “Einstein”, what’s the first thing that pops into your head? Is it high IQ… genius… or maybe E=MC
2
? Do you picture his wild grey hair shooting in all directions as he peacefully folds the pages back from his favorite book? You might even think of nuclear bombs, clocks and the Nobel Prize. I... | 116 | 26 | [
{
"comment_id": "3955033",
"author": "BlablaBlu",
"timestamp": "2017-08-31T14:15:28",
"content": "In case someone wonders – the mentioned “Zurich Polytechnic” is actually the swiss federal polytechnic located in Zurich, which is now known as ETH Zurich (www.ethz.ch).",
"parent_id": null,
"de... | 1,760,374,694.677732 | ||
https://hackaday.com/2017/08/31/can-you-visualise-a-sega-cart-from-2017/ | Can You Visualise A Sega Cart From 2017? | Lewin Day | [
"Musical Hacks"
] | [
"genesis",
"megadrive",
"sega",
"sega genesis",
"Sega Megadrive"
] | The Sega Genesis, or Mega Drive if you’re not from North America, isn’t exactly this summer’s hottest new console, but it still has a huge following 29 years after launch. Fans range from retro Sonic enthusiasts to hardcore chiptune composers, and this year, Catskull Electronics is releasing a
Genesis compilation album... | 13 | 5 | [
{
"comment_id": "3955062",
"author": "me",
"timestamp": "2017-08-31T14:24:57",
"content": "How about adding some temperature sensors at the bottom of the PCB, near the stripes. That way it could be programmed to blink it’s lights when you blow on it!",
"parent_id": null,
"depth": 1,
"rep... | 1,760,374,694.468735 | ||
https://hackaday.com/2017/08/31/repurposing-moving-coil-meters-to-monitor-server-performance/ | Repurposing Moving Coil Meters To Monitor Server Performance | Dan Maloney | [
"classic hacks",
"hardware"
] | [
"CPU load",
"dac",
"meter",
"moving coil",
"psutil",
"pwm",
"raspberry pi",
"VU meter"
] | Snazzy analog meters can lend a retro flair to almost any project, but these days they often seem to be retasked as indicators for completely different purposes than originally intended. That’s true for
these Vu meters repurposed as gauges for a Raspberry Pi server
, and we think the build log is as informative as the ... | 11 | 5 | [
{
"comment_id": "3953793",
"author": "Ostracus",
"timestamp": "2017-08-31T08:03:41",
"content": "This is nice till one bends the needle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3954062",
"author": "Jan",
"timestamp": "2017-08-31T09:13:21",
"... | 1,760,374,694.514176 | ||
https://hackaday.com/2017/08/30/a-very-accurate-current-probe/ | A Very Accurate Current Probe | Anool Mahidharia | [
"hardware"
] | [
"Ammeter",
"current probe",
"DC current",
"hall sensor",
"LAH50-P",
"op-amp",
"OPA188",
"shunt"
] | There’s many different ways of measuring current. If it’s DC, the easiest way is to use a shunt resistor and measure the voltage across it, and for AC you could use a current transformer. But the advent of the Hall-effect sensor has provided us a much better way of measuring currents. Hall sensors offers several advant... | 13 | 8 | [
{
"comment_id": "3953479",
"author": "PreferLinux",
"timestamp": "2017-08-31T05:36:35",
"content": "“If it’s DC, the easiest way is to use a shunt resistor and measure the voltage across it, and for AC you could use a current transformer.”The shunt resistor works great for AC too, despite the above ... | 1,760,374,694.817602 | ||
https://hackaday.com/2017/08/30/detecting-dire-diseases-with-a-selfie/ | Detecting Dire Diseases – With A Selfie? | Dan Maloney | [
"Medical Hacks",
"Phone Hacks",
"Slider"
] | [
"android",
"bilirubin",
"diagnosis",
"image analysis",
"iphone",
"jaundice",
"pancreatic cancer",
"sclera",
"smartphone",
"symptoms"
] | They say the eyes are the windows to the soul. But with a new smartphone app, the eyes may be a diagnostic window into the body that might be used to prevent a horrible disease — pancreatic cancer. A research team at the University of Washington led by [Alex Mariakakis]
recently described
what they call “BiliScreen,” a... | 27 | 10 | [
{
"comment_id": "3952785",
"author": "toby",
"timestamp": "2017-08-31T02:12:22",
"content": "The medical term to look for would be “scleral icterus” though this is more of a misnomer as it should be called “conjunctival icterus”. Note that other pathologies (besides hyperbilirubinemia) can cause yel... | 1,760,374,694.877278 | ||
https://hackaday.com/2017/08/30/ultrasonic-array-gets-range-data-fast-and-cheap/ | Ultrasonic Array Gets Range Data Fast And Cheap | Dan Maloney | [
"Robots Hacks",
"Transportation Hacks"
] | [
"atmega 328p",
"HC-SR04",
"i2c",
"parallel parking",
"ranging",
"self-driving",
"sonar",
"ultrasonic"
] | How’s your parallel parking? It’s a scenario that many drivers dread to the point of avoidance. But
this 360° ultrasonic sensor
will put even the most skilled driver to shame, at least those who pilot tiny remote-controlled cars.
Watch the video below a few times and you’ll see that within the limits of the test system... | 8 | 7 | [
{
"comment_id": "3952127",
"author": "starhawk",
"timestamp": "2017-08-30T23:50:45",
"content": "Tremendously cool, tremendously useful. Well done indeed!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3952162",
"author": "Olsen",
"timestamp": "2017-08... | 1,760,374,694.918351 | ||
https://hackaday.com/2017/08/30/toy-dash-turned-gaming-interface/ | Toy Dash Turned Gaming Interface | John Baichtal | [
"Toy Hacks"
] | [
"mame",
"Outrun",
"raspberry pi",
"Tomy Turnin Turbo"
] | We see a lot of MAME cabinets and other gaming emulator projects here on Hackaday, but it’s not often that we see one the form factor of which so elegantly matches the ROM. [circuitbeard] converted a Tomy Turnin Turbo toy dashboard into a
mini arcade machine playing Outrun
.
There are many fascinating details in [circu... | 15 | 9 | [
{
"comment_id": "3951134",
"author": "Mark",
"timestamp": "2017-08-30T20:10:43",
"content": "Very stylish!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3951148",
"author": "bty",
"timestamp": "2017-08-30T20:12:40",
"content": "very nice!",
"p... | 1,760,374,694.96818 | ||
https://hackaday.com/2017/08/30/hackaday-prize-entry-an-open-source-kiln/ | Hackaday Prize Entry: An Open Source Kiln | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"casting",
"ceramics",
"kiln"
] | For his Hackaday Prize entry, [Matt]
is building a small kiln
for melting metals and firing clay. He’s making this kiln out of materials anyone can acquire — dirt and a bit of nichrome wire.
Most kiln builds you’ll find on the Internet use fancy refractory bricks and other materials you may not have in your back yard.... | 16 | 7 | [
{
"comment_id": "3951047",
"author": "Olsen",
"timestamp": "2017-08-30T19:48:16",
"content": "That is so cool! For now, I will stick with sac-crete and a bucket.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3951542",
"author": "Redhatter (VK4MSL)",... | 1,760,374,695.020159 | ||
https://hackaday.com/2017/08/30/lu-bans-axe-and-working-with-your-chinese-suppliers/ | Lu Ban’s Axe And Working With Your Chinese Suppliers | Mike Szczys | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"china",
"Culture",
"idiom",
"Lu Ban"
] | It is nearly impossible to build any kind of hardware these days without at some point in the process dealing with China — Chinese suppliers, and so by extension Chinese culture. Difficulties can be as simple as the usual inconvenience of everything stopping for weeks up to and after Chinese New Year, or engineers that... | 118 | 32 | [
{
"comment_id": "3950566",
"author": "nsayer",
"timestamp": "2017-08-30T17:08:31",
"content": "Nearly everyone you ask who invented the light bulb, radio transmitter and telephone will give you the wrong answers.Free clue: the guy who made something commercially feasible isn’t usually the guy who in... | 1,760,374,695.348334 | ||
https://hackaday.com/2017/08/30/friday-hack-chat-making-in-shenzhen/ | Friday Hack Chat: Making In Shenzhen | Brian Benchoff | [
"Hackaday Columns"
] | [
"china",
"SexyCyborg",
"shenzhen"
] | China is an amazing land of opportunity, and if you want to build
anything
, you can build it in Shenzhen. This city that was just a small fishing village a few decades ago has grown into a cyberpunk metropolis of eleven million and has become the manufacturing capital of the world. You’re probably reading this on a de... | 7 | 3 | [
{
"comment_id": "3950401",
"author": "Yerba",
"timestamp": "2017-08-30T16:05:22",
"content": "I don’t even think Benchoff wrote this post. I think he got a man to do it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3950449",
"author": "Buddy Casino... | 1,760,374,695.066742 | ||
https://hackaday.com/2017/08/30/portable-snes-chiptune-player/ | Portable SNES Chiptune Player | Lewin Day | [
"Musical Hacks"
] | [
"chiptune",
"chiptunes",
"snes",
"spc player",
"super nintendo",
"super nintendo entertainment system"
] | Chiptunes are the fantastic, bleeping musical renditions of the soundchips of retro consoles past. Performers of the art overwhelmingly favour the various flavours of Game Boy, though there are those who work with such varied machines as the Commodore 64, Sega Genesis, and the Nintendo Entertainment System. A little mo... | 8 | 5 | [
{
"comment_id": "3950235",
"author": "Loser",
"timestamp": "2017-08-30T15:08:18",
"content": "Very nice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3950258",
"author": "Mike Aberle",
"timestamp": "2017-08-30T15:15:49",
"content": "Didn’t somebo... | 1,760,374,697.040775 | ||
https://hackaday.com/2017/08/30/how-to-do-pcb-art-in-eagle/ | How To Do PCB Art In Eagle | Brian Benchoff | [
"Hackaday Columns",
"how-to",
"Skills"
] | [
"art",
"eagle",
"pcb",
"pcb art",
"tindie blinky badge"
] | Last month I had the pleasure of creating a new piece of hardware for Tindie. [Jasmine], the queen bee of Tindie, and I designed, developed, and kitted three hundred Tindie badges
in ten days leading up to DEF CON
. The badges were a complete success, they introduced soldering to a lot of people, and were loved by all.... | 17 | 9 | [
{
"comment_id": "3950303",
"author": "addy771",
"timestamp": "2017-08-30T15:31:53",
"content": "After I learned how to import SVGs in EAGLE I don’t think I’ll be going back to BMP import. Vectors just look so much better.Sparkfun has a guide for how to do SVG import:https://learn.sparkfun.com/tutori... | 1,760,374,697.380585 | ||
https://hackaday.com/2017/08/30/living-in-a-storage-locker-undetected-for-2-months/ | Living In A Storage Locker Undetected For 2 Months | Jack Laidlaw | [
"home hacks"
] | [
"alternative lifestyle",
"illegal",
"storage locker",
"weird"
] | A Vancouver man [007craft], also known as [Michael], posted a video on YouTube about his
living in a storage locker
to save money for an apartment. The small space meant he had to incorporate quite a few little hacks to make living there comfortable.
While probably illegal and almost certainly against the storage locke... | 143 | 35 | [
{
"comment_id": "3949672",
"author": "Sentient AI from the Future",
"timestamp": "2017-08-30T11:16:10",
"content": "This video is several years old, and more importantly, demonstrates a complete disregard for safety, either of the subject or others using the same facilities. I’m all for squatting an... | 1,760,374,697.642299 | ||
https://hackaday.com/2017/08/30/mouse-mis-clicking-we-got-you/ | Mouse Mis-Clicking? We Got You. | James Hobson | [
"hardware",
"how-to"
] | [
"arduino",
"Click",
"debounce",
"mouse",
"nano",
"repair"
] | A mouse with malfunctioning buttons can be a frustrating to deal with — and usually a short leap to percussive maintenance. Standard fixes may not always last due to inferior build quality of the components, or when the microswitch won’t close at all. But, for mice that double/triple-click, will release when dragging, ... | 33 | 16 | [
{
"comment_id": "3949336",
"author": "onebiozz",
"timestamp": "2017-08-30T08:14:35",
"content": "I had a very high end mouse’s left click just give out literally 2 months out of warrantee … Luckily an old mouse used a switch of the same dimensions so the replace was simple … But gives a different cl... | 1,760,374,697.452614 | ||
https://hackaday.com/2017/08/29/esp8266-adds-slick-touchscreen-controls-to-a-stretch-limo/ | ESP8266 Adds Slick Touchscreen Controls To A Stretch Limo | Sean Boyce | [
"LED Hacks",
"Transportation Hacks"
] | [
"ESP8266",
"LED controller",
"limousine",
"touchscreen"
] | The popularity of the ESP8266 WiFi module has a lot to do with its ability to inexpensively connect to the Internet. However, [hwhardsoft]’s
stretch limousine environmental control system
explores another use for these modules: a simple way to tie together disparate systems with a common user interface.
On a basic leve... | 5 | 3 | [
{
"comment_id": "3950329",
"author": "KAN",
"timestamp": "2017-08-30T15:40:50",
"content": "Looks like a Nextion display to me…Never used one myself but they look super easy to work with. Basically it’s a serial controlled GUI that sends it’s buttons back over the UART. And you set it all up from a ... | 1,760,374,697.085924 | ||
https://hackaday.com/2017/08/29/ai-watches-you-sleep-knows-when-you-dream/ | AI Watches You Sleep; Knows When You Dream | James Hobson | [
"Misc Hacks",
"Radio Hacks"
] | [
"ai",
"artificial intellegence",
"Cycles",
"mit",
"non invasive",
"radio frequency",
"REM",
"RF",
"sleep",
"sleep monitor",
"stage",
"wireless"
] | If you’ve never been a patient at a sleep laboratory, monitoring a person as they sleep is an involved process of wires, sensors, and discomfort. Seeking a better method, MIT researchers — led by [Dina Katabi] and in collaboration with Massachusetts General Hospital — have developed a device that can
non-invasively ide... | 5 | 3 | [
{
"comment_id": "3947716",
"author": "Ostracus",
"timestamp": "2017-08-30T02:03:13",
"content": "“AI Watches You Sleep; Knows When You Dream”Does it know when I’m naughty, or nice too?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3947799",
"author"... | 1,760,374,697.200107 | ||
https://hackaday.com/2017/08/29/spell-out-the-time-with-frickin-laser-beams/ | Spell Out The Time With Frickin’ Laser Beams | Dan Maloney | [
"clock hacks",
"Laser Hacks"
] | [
"glow in the dark",
"laser",
"pantograph",
"phosphorescence",
"rtc"
] | Clocks are a never-ending source of fascination to hackers. We get all kinds around here, from Steampunk Nixie clocks to retro cool flip clocks to clocks that don’t even look like clocks. But this is something new —
a glow-in-the-dark laser tracing clock
.
What [tuckershannon]’s clock lacks in practicality it makes up ... | 17 | 7 | [
{
"comment_id": "3947313",
"author": "RandyKC",
"timestamp": "2017-08-29T23:28:21",
"content": "Ok, I’ll let my safety freak run free.Writing from the back would cut down on the incidental reflection of the laser beam and might be better for safety (bah, who needs eyes).Or a simple LED of a similar ... | 1,760,374,697.253037 | ||
https://hackaday.com/2017/08/29/save-your-thumbs-with-this-netflix-password-sender/ | Save Your Thumbs With This Netflix Password Sender | Dan Maloney | [
"Misc Hacks"
] | [
"hid",
"ir",
"netflix",
"on-screen keyboard'",
"smart tv",
"streaming"
] | Chances are anyone who has an entry-level to mid-range smart TV knows that setting them up with your streaming account credentials is a royal pain. Akin to the days of texting on a flip phone, using the number pad or arrow keys to compose your user name and password seems to take forever. So why not avoid the issue wi... | 22 | 10 | [
{
"comment_id": "3946695",
"author": "dahud",
"timestamp": "2017-08-29T20:22:25",
"content": "Next logical step: a keyboard that translates keypresses into the navigational inputs required to get to that key from where the last key left you.",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,374,697.312315 | ||
https://hackaday.com/2017/08/29/hackaday-prize-entry-a-manual-cnc-pick-and-place-machine/ | Hackaday Prize Entry: A Manual, CNC Pick And Place Machine | Brian Benchoff | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2017 Hackaday Prize",
"cnc",
"pick and place",
"smd"
] | Everyone who wants a 3D printer probably already has one, and even laser cutters and CNC machines are making their way into garages and basements ’round the world. Pick and place machines are the next great frontier of personal manufacturing, and even though that’s a long way off,
[Tegwyn]’s project for this year’s Hac... | 31 | 10 | [
{
"comment_id": "3946446",
"author": "Joshua Terrell",
"timestamp": "2017-08-29T19:10:07",
"content": "This is so cool. One more piece of Santa’s Workshop in the bag.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3946464",
"author": "dave",
... | 1,760,374,697.156824 | ||
https://hackaday.com/2017/08/29/ourselves-as-others-see-us-through-the-lens-of-traditional-media/ | Ourselves As Others See Us Through The Lens Of Traditional Media | Jenny List | [
"cons",
"Hackaday Columns",
"Interest"
] | [
"hacker",
"media",
"sha2017",
"traditional media"
] | When I presented myself at the SHACamp 2017 info desk bright and early on the first full day of the camp, I was surprised to find that I was to be assigned a volunteer along with my press badge. Because of the way our community is sometimes covered by the traditional media, it was necessary that any journalists touring... | 25 | 10 | [
{
"comment_id": "3946248",
"author": "Michiel145",
"timestamp": "2017-08-29T17:56:36",
"content": "Nice article. Thanks.P.S. the Dutch paper is called Trouw and not Truow. :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3948965",
"author": "Jenny L... | 1,760,374,697.710117 | ||
https://hackaday.com/2017/08/29/a-diode-by-any-other-name/ | A Diode By Any Other Name | Al Williams | [
"hardware",
"Parts"
] | [
"diode",
"schottky diode",
"zener diode"
] | As active devices go, it doesn’t get much simpler than a diode. Two terminals. Current flows in one direction and not in the other. Simple, right? Well, then there are examples with useful side effects like light emitting diodes. [GreatScott] points out that there are other useful diodes and, in particular, he posted a... | 25 | 7 | [
{
"comment_id": "3945939",
"author": "dahud",
"timestamp": "2017-08-29T16:01:06",
"content": "It always bothered me that diodes are considered active components. The definition that I learned was that active components can change their behavior based on an outside signal, and passives just do what t... | 1,760,374,698.103464 | ||
https://hackaday.com/2017/08/29/control-thy-led/ | Control Thy LED | Inderpreet Singh | [
"Featured",
"Original Art"
] | [
"analog",
"circuit",
"driving",
"howto",
"led",
"pwm"
] | In a
previous article
, I discussed LEDs in general and their properties. In this write-up, I want to give some examples of driving LEDs and comparing a few of the most commonly used methods. There is no “one size fits all” but I will try and generalize as much as possible. The idea is to be able to effectively control... | 50 | 21 | [
{
"comment_id": "3945625",
"author": "Hephaïx",
"timestamp": "2017-08-29T14:04:50",
"content": "The forward current(continuous) and peak forward current numeric values are swapped.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3945937",
"author": "d... | 1,760,374,698.203924 | ||
https://hackaday.com/2017/08/29/color-sensor-from-an-rgb-led-and-a-photocell/ | Color Sensor From An RGB LED And A Photocell | Dan Maloney | [
"LED Hacks",
"Misc Hacks"
] | [
"cadmium sulfide",
"CdS",
"color",
"led",
"photocell",
"photoresistor",
"reflective",
"rgb",
"sensor"
] | When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can buy an off-the-shelf RGB sensor and wire it up to an Arduino. Or you can go back to basics and build
this reflective RGB sensor fro... | 27 | 13 | [
{
"comment_id": "3945229",
"author": "Mike Massen",
"timestamp": "2017-08-29T11:05:58",
"content": "Nice idea, can be extended to all sorts of survey devices & in conjunction withvarious chemicals as well for a few material testing in remote locations…Thanks for the posting,",
"parent_id": null,... | 1,760,374,697.935488 | ||
https://hackaday.com/2017/08/29/boredom-lasers-projector/ | Boredom + Lasers = Projector! | James Hobson | [
"3d Printer hacks",
"Laser Hacks"
] | [
"laser",
"mirror",
"projector",
"rgb",
"White Light"
] | [Krazer], a post-doctoral researcher at MIT, loves him some lasers. When out of boredom one afternoon he hatched an idea for a laser projector, it grew until a few years later he wound up with this RGB laser for a projector —
Mark IV
no less.
In addition to 3D-printing the parts, the major innovation with this version ... | 7 | 3 | [
{
"comment_id": "3945132",
"author": "Dave Davidson",
"timestamp": "2017-08-29T10:10:08",
"content": "How to attach to sharks ?https://www.youtube.com/watch?v=Bh7bYNAHXxw",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3945571",
"author": "Trevor",
... | 1,760,374,698.250315 | ||
https://hackaday.com/2017/08/28/retrocomputing-with-open-source-fpgas/ | Retrocomputing With Open Source FPGAs | Brian Benchoff | [
"FPGA"
] | [
"acorn",
"Acorn Atom",
"fpga",
"retrocomputing"
] | A few years ago, we saw the reverse engineering of the Lattice iCE40 bitstream, opening the door to a completely Open Source development tool chain for FPGAs. This was an astonishing amount of work from [Clifford Wolf], [Mathias Lasser], and [Cotton Seed], but since then we haven’t seen a whole lot from Project IceStor... | 27 | 4 | [
{
"comment_id": "3944619",
"author": "dendad",
"timestamp": "2017-08-29T06:19:09",
"content": "What a great effort :)Where does one get these particular boards?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3944966",
"author": "monsonite",
"... | 1,760,374,698.314293 | ||
https://hackaday.com/2017/08/28/custom-cut-resistor-bandoliers/ | Custom Cut Resistor Bandoliers | Brian Benchoff | [
"cnc hacks"
] | [
"bandolier",
"kitting",
"resistors"
] | Through-hole resistors come on tape that we’re now calling bandoliers. Since [Spencer] is selling a boatload of
his RC2014 backplane computer kits
on Tindie, he’s been chopping up a lot of resistor bandoliers. It’s a boring and monotonous job.
Fortunately, a lot of people have had a bandolier cutting problem over the y... | 16 | 7 | [
{
"comment_id": "3944201",
"author": "Josh",
"timestamp": "2017-08-29T02:03:42",
"content": "This seems like the perfect task to absent mindedly do while watching a movie though… Unless he has a thousand kits I can’t see how the laser setup is that worth it.",
"parent_id": null,
"depth": 1,
... | 1,760,374,698.508287 | ||
https://hackaday.com/2017/08/28/a-flame-diode-pilot-light-sensor-for-a-burning-man-installation/ | A Flame Diode Pilot Light Sensor For A Burning Man Installation | Jenny List | [
"Misc Hacks"
] | [
"diode",
"flame",
"flame detector",
"flame diode",
"pilot light",
"pyrotechnic"
] | A naked flame is a complex soup of ionised gases, that possesses an unexpected property. As you might expect with that much ionisation there is some level of electrical conductivity, but the unusual property comes in that a flame can be made to conduct in only one direction. In other words, it can become a diode of sor... | 22 | 9 | [
{
"comment_id": "3943889",
"author": "Greenaum",
"timestamp": "2017-08-28T23:08:34",
"content": "Is the polarity to do with the moving particles of burning fuel? So the movement of the particles carries, say, positive ions, so whichever electrode is furthest along the flame is the anode?Would be fai... | 1,760,374,698.376611 | ||
https://hackaday.com/2017/08/28/spoiler-alert-repairing-a-race-car-can-get-complicated-fast/ | Spoiler Alert! Repairing A Race Car Can Get Complicated, Fast. | James Hobson | [
"Android Hacks",
"car hacks"
] | [
"7809",
"adjustable",
"atmega",
"automotive",
"car",
"ProtoShield",
"RACE",
"relay",
"Spoiler"
] | [Big Fish Motorsports] has a vehicle with an adjustable rear spoiler system that broke in the lead up to a big race. The original builder had since gone AWOL so the considerable talents of [Quinn Dunki] were brought to bear in
getting it working again
.
Cracking open the black control box of mystery revealed an Arduino... | 37 | 11 | [
{
"comment_id": "3943611",
"author": "0xfred",
"timestamp": "2017-08-28T20:09:14",
"content": "It astounds me that anyone thinks an Arduino and a shield is in any way suitable for something as safety critical as this. I’m assuming AWOL means fired for being an idiot.",
"parent_id": null,
"de... | 1,760,374,698.456171 | ||
https://hackaday.com/2017/08/28/hackaday-prize-entry-sonic-glasses/ | Hackaday Prize Entry: Sonic Glasses | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"assistive technologies",
"ultrasonic",
"ultrasonic sensor"
] | This year, the Hackaday Prize is going to find the most innovative and interesting assistive technologies. Whether that’s refreshable Braille displays or reliable utensils for the disabled, the finalists for the Assistive Technologies portion of the Prize will be creating some of the most interesting tech out there.
Fo... | 11 | 8 | [
{
"comment_id": "3943519",
"author": "bty",
"timestamp": "2017-08-28T18:35:56",
"content": "won’t there be any interference between these sensors when mounted so close together ?datasheet says the measurement angle: is 15 deg, so the beams will converge after only a few centimeters.Not sure if that ... | 1,760,374,698.555285 | ||
https://hackaday.com/2017/08/28/the-tourbillon-anti-gravity-for-watch-movements/ | The Tourbillon: Anti-Gravity For Watch Movements | Kristina Panos | [
"clock hacks",
"Featured",
"Interest"
] | [
"Abraham-Louis Breguest",
"anti-gravity",
"horology",
"pocket watch",
"time",
"timepiece",
"tourbillon",
"watch",
"wristwatch"
] | Do you know what time it is? Chances are good that you used a computer or a cell phone to answer that question. The time on your phone is about as accurate as chronometry gets these days. That’s because cell networks are timed from satellites, which are in turn timed from atomic clocks. And these days, it may be that a... | 33 | 7 | [
{
"comment_id": "3943440",
"author": "Matt",
"timestamp": "2017-08-28T17:13:42",
"content": "I recently built a clock that uses a capacitor decaying to keep time. This had the same problem as the mainspring mechanical clocks: getting slower throughout the day. The solution is to discharge the capaci... | 1,760,374,698.634806 | ||
https://hackaday.com/2017/08/28/upverter-joins-altium/ | Upverter Joins Altium | Brian Benchoff | [
"News"
] | [
"altium",
"upverter"
] | In a post on the Upverter blog today, [Zak Homuth], founder of the online EDA suite Upverter
has announced they have been acquired by Altium
.
The largest change in the announcement is the removal of Upverter’s paid professional tier of service. Now, the entirety of Upverter is free. Previously, this paid professional ... | 28 | 11 | [
{
"comment_id": "3943396",
"author": "Clovis Fritzen",
"timestamp": "2017-08-28T15:44:16",
"content": "Hahaha **Altium trying to be a cool kid** hahahahaha",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3943403",
"author": "Ostracus",
"timestamp": "201... | 1,760,374,699.215682 | ||
https://hackaday.com/2017/08/28/britain-invented-rock-n-roll-and-other-stories/ | Britain Invented Rock-N-Roll, And Other Stories | Jenny List | [
"Featured",
"Original Art",
"Rants"
] | [
"engineering",
"engineers",
"heroes",
"iss",
"space",
"star trek",
"tv"
] | An elderly relative of mine used to get irate at the BBC news. When our Prime Minister [Edward Heath] or another of her bêtes noirs of the day came on, she’d rail at the radio or the TV, expressing her views to them in no uncertain terms. It taught a young me a lot about the futility of shouting at the telly, as well a... | 58 | 16 | [
{
"comment_id": "3943036",
"author": "Ren",
"timestamp": "2017-08-28T14:13:01",
"content": "I haven’t read the article yet.I just wanted to send kudos to Joe Kim for the Jetson artwork!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3943374",
"author... | 1,760,374,699.061168 | ||
https://hackaday.com/2017/08/28/doomed-incandescent-light-blinker/ | Doomed Incandescent Light Blinker | Elliot Williams | [
"Misc Hacks"
] | [
"does it run doom",
"doom",
"Flashing Light Prize",
"rube goldberg"
] | [Jānis]’s entry for the Flashing Light Prize was doomed from the start. Or should we say
Doom
ed? It was a complicated mess of Rube-Goldbergery that essentially guaranteed that he’d have no time for making a proper video and submitting and entry. But it also ran Doom. Or at least ran
on
Doom.
(Note: [Jānis] sent us thi... | 10 | 2 | [
{
"comment_id": "3942009",
"author": "ItsThatIdiotAgain",
"timestamp": "2017-08-28T11:24:12",
"content": "Where’s the 555?/me runs before the troll hounds are released to tear me to pieces.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3942576",
"au... | 1,760,374,698.958307 | ||
https://hackaday.com/2017/08/28/cheap-and-easy-magnetic-dna-separation-method-needs-your-help/ | Cheap And Easy Magnetic DNA Separation Method Needs Your Help | Dan Maloney | [
"chemistry hacks"
] | [
"ammonia",
"beads",
"biohacks",
"dna",
"ferric chloride",
"ferrous sulfate",
"magnetite",
"magnets",
"silca",
"waterglass"
] | When you consider that almost every single cell in your body has more than a meter of DNA coiled up inside its nucleus, it seems like it should be pretty easy to get some to study. But with all the other cellular gunk in a crude preparation, DNA can be quite hard to isolate. That’s where
this cheap and easy magnetic DN... | 5 | 3 | [
{
"comment_id": "3941401",
"author": "ItsThatIdiotAgain",
"timestamp": "2017-08-28T09:36:54",
"content": "Ferrite ceramic particles.. potentially you might be able to make these from laser toner + fine silica sand?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,374,699.103461 | ||
https://hackaday.com/2017/08/27/turning-on-your-amplifier-with-a-raspberry-pi/ | Turning On Your Amplifier With A Raspberry Pi | Jenny List | [
"digital audio hacks",
"home hacks"
] | [
"bluetooth",
"home automation",
"home-assistant",
"lirc",
"raspberry pi"
] | Life is good if you are a couch potato music enthusiast. Bluetooth audio allows the playing of all your music from your smartphone, and apps to control your hi-fi give you complete control over your listening experience.
Not quite so for [Daniel Landau] though. His Cambridge Audio amplifier isn’t quite the latest gener... | 17 | 4 | [
{
"comment_id": "3940194",
"author": "esufor",
"timestamp": "2017-08-28T06:12:53",
"content": "Bis repetita asinus placent.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3942086",
"author": "jacques",
"timestamp": "2017-08-28T11:35:45",
... | 1,760,374,699.152655 | ||
https://hackaday.com/2017/08/27/sorry-us-europeans-listen-to-space-with-graves/ | Sorry US; Europeans Listen To Space With GRAVES | Al Williams | [
"Radio Hacks"
] | [
"EME",
"ionosphere",
"radio",
"transmitter"
] | In Europe, the GRAVES radar station beams a signal on 143.050 MHz almost straight up to detect and track satellites and space junk. That means you will generally not hear any signal from the station. However, [DK8OK] shows how you can–if you are in Europe–
listen for reflections from the powerful radar
. The reflection... | 18 | 6 | [
{
"comment_id": "3938940",
"author": "JD",
"timestamp": "2017-08-28T02:42:04",
"content": "“Why is there a giant vertical radar transmitter in the middle of France? The transmitter uses a phased array to send a signal over a 45-degree swath of the sky at a time….”That answers the “how”, not the “why... | 1,760,374,699.49559 | ||
https://hackaday.com/2017/08/27/hackaday-links-august-27-2017/ | Hackaday Links: August 27, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"Hulk Hands",
"Jetson TX1",
"kickstarter",
"NVIDIA",
"osh park",
"Part 103",
"primitive technology",
"ultralight"
] | Hulk Hands! Who remembers Hulk Hands? These were a toy originally released for the 2003 Hulk movie and were basically large foam clenched fists you could wear. Hulk Hands have been consistently been re-released for various Marvel films, but now there’s something better:
it’s the stupidest tool ever
. Two guys thought i... | 10 | 4 | [
{
"comment_id": "3938751",
"author": "RandyKC",
"timestamp": "2017-08-27T23:31:25",
"content": "Demo fist. Hey, what could go wrong? (As cries of “hey guys, watch this” echo in the background.)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3938803",
... | 1,760,374,699.583983 | ||
https://hackaday.com/2017/08/27/hackaday-prize-entry-the-weedinator-project-now-with-flame/ | Hackaday Prize Entry: The Weedinator Project, Now With Flame | Donald Papp | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"autonomous",
"blowtorch",
"cleanse with flame",
"crops",
"farming",
"fire",
"robotic",
"weeds"
] | We like that the
Weedinator Project
is thinking big for this year’s Hackaday Prize! This ambitious project by [TegwynTwmffat] is building on a previous effort, which was a tractor mounted weeding machine (shown above). It mercilessly shredded any weeds; the way it did this was by tilling everything that existed between... | 8 | 3 | [
{
"comment_id": "3938753",
"author": "bty",
"timestamp": "2017-08-27T23:35:07",
"content": "stepper motor suspension .. somehow i doubt it will be very durable. kudos for the project as a whole though.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3940680",... | 1,760,374,699.537078 | ||
https://hackaday.com/2017/08/27/3d-printing-t-shirt-designs/ | 3D Printing T-Shirt Designs | Michael Uttmark | [
"3d Printer hacks"
] | [
"3d prining",
"custom t-shirt",
"design",
"t-shirt"
] | Usually, t-shirt designs are screen printed, but that’s so old school. You have to make the silkscreen and then rub paint all over – it’s clearly a technique meant for the past. Well, fear not, as [RCLifeOn] is here to bring us to the future with
3D Printed T-Shirt Designs
.
[RCLifeOn] affixes t-shirts to his print bui... | 28 | 24 | [
{
"comment_id": "3937262",
"author": "Thinkerer",
"timestamp": "2017-08-27T17:17:22",
"content": "This screams for a permanent-ink inkjet print head or paint extruder rather than trying to mix molten plastic and cloth.",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,374,699.370275 | ||
https://hackaday.com/2017/08/27/3d-printer-tool-changer-gives-you-access-to-lots-of-extruders/ | 3D Printer Tool Changer Gives You Access To Lots Of Extruders | Cameron Coward | [
"3d Printer hacks"
] | [
"3d printer",
"extruder",
"hotend",
"tool changer"
] | The benefits of having a 3D printer with multiple extruders are numerous: you can print soluble support material for easy removal, print a combination of flexible and rigid filament, or simply print in different colors. Unfortunately, traditional multi-extruder setups have some serious drawbacks, even aside from the co... | 39 | 19 | [
{
"comment_id": "3937019",
"author": "Atcnetz.de",
"timestamp": "2017-08-27T14:35:10",
"content": "Nice one.I am interested in more information about the printer itself looks cheap and good at the same time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "393... | 1,760,374,699.442645 | ||
https://hackaday.com/2017/08/27/casting-metal-directly-into-3d-printed-molds/ | Casting Metal Directly Into 3D Printed Molds | Brian Benchoff | [
"3d Printer hacks"
] | [
"casting",
"Form2",
"formlabs",
"pewter",
"resin",
"resin printer"
] | Casting metal and 3D printing go together like nuts and gum, and there are no shortage techniques that use the two together. Lost PLA casting is common, and sculptors are getting turned on to creating their works in plastic first before sending it off to the foundry. Now the folks at FormLabs have turned the whole ‘cas... | 24 | 10 | [
{
"comment_id": "3936810",
"author": "ganzuul",
"timestamp": "2017-08-27T11:32:43",
"content": "No way! :O That is absolutely beautiful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3936820",
"author": "SlurmMcKenzie",
"timestamp": "2017-08-27T11:42:... | 1,760,374,699.64426 | ||
https://hackaday.com/2017/08/27/diy-mocha-cooker/ | DIY Mocha Cooker | Inderpreet Singh | [
"3d Printer hacks",
"cooking hacks"
] | [
"3d printed",
"coffee",
"diy",
"mocha",
"pot"
] | Food-grade 3D printing filament is on the rise and it is nice to have a custom coffee mug in the office to instill a little envy in the locals. [Stefan] took it upon himself to create a
Mocha Machine
that he would 3D print and test the boundaries of his filament.
[Stefan] used Fusion 360 to replicate the famous Bialett... | 27 | 11 | [
{
"comment_id": "3936706",
"author": "Telimektar",
"timestamp": "2017-08-27T08:53:03",
"content": "plastics + heat + food? no thanks. Heat resistance is not foodgrade",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3937069",
"author": "Hirudinea",
... | 1,760,374,700.163296 | ||
https://hackaday.com/2017/08/26/harvesting-copper-from-microwave-ovens/ | Harvesting Copper From Microwave Ovens | Dan Maloney | [
"green hacks",
"Misc Hacks"
] | [
"casting",
"coil",
"copper",
"e-waste",
"foundry",
"microwave oven transformer"
] | Obsolete appliances were once a gold mine of parts, free for the taking with a few snips of your diagonal cutters. Times have changed, though, and most devices yield only a paltry supply of parts, so much so that only by harvesting raw materials can you get much value out of them. And so we have
this example of reclaim... | 51 | 17 | [
{
"comment_id": "3936540",
"author": "Ostracus",
"timestamp": "2017-08-27T05:23:07",
"content": "And where does one get a bunch of dead microwave if one isn’t running a scrap yard anyway?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3936563",
"auth... | 1,760,374,699.972069 | ||
https://hackaday.com/2017/08/26/determining-kibble-level-via-time-of-flight/ | Determining Kibble Level Via Time-of-Flight | John Baichtal | [
"Misc Hacks"
] | [
"cat feeder",
"ESP8266",
"Time of Flight Sensor"
] | [WTH] is building an
IoT kitty food dispenser
. There are a few of these projects floating around that measure out portions very sensibly — some use screws to dispense a set amount of food at a time, some measure the weight of the remaining stockpile. This build is definitely not that. This kitty food monitor uses a ti... | 12 | 6 | [
{
"comment_id": "3936311",
"author": "nonokopimi",
"timestamp": "2017-08-27T03:49:04",
"content": "A cat fed predominantly on dry food, is very much more likely to develop urinary tract infections, kidney stones and urinary blockages.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,374,699.88446 | ||
https://hackaday.com/2017/08/26/a-functioning-3d-printer-for-10e/ | A Functioning 3D Printer For 10€ | Jenny List | [
"3d Printer hacks",
"Slider"
] | [
"3d printer",
"3d printing",
"e-waste",
"inkjet 3D printer",
"inkjet printer"
] | There was a time when crowdfunding websites were full of 3D printers at impossibly low prices. You knew that it would turn out to be either blatant vaporware or its delivery date would slip into the 2020s, but still there seemed always to be an eager queue ready to sign up. Even though there were promised models for un... | 42 | 20 | [
{
"comment_id": "3935664",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-08-26T23:25:02",
"content": "Well… anything that’s subject to a kickstarter, it’s fair to assume the thing will be mass-produced at some scale. This project, whilst a nice effort, I doubt could be mass produced easily wit... | 1,760,374,700.049234 | ||
https://hackaday.com/2017/08/26/hackaday-prize-entry-fochica-alerts-you/ | Hackaday Prize Entry: Fochica Alerts You | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"arduino",
"car seat",
"child safety",
"sensors"
] | It seems like no one should need to be reminded about the importance of not leaving children in cars, but it still happens. The Fochica project is a Hackaday Prize entry that
equips the family minivan with car seat monitors
—the name comes from
FO
rgotten
CH
ild in
C
ar
A
lert.
It’s an Open Source project consisting of... | 8 | 5 | [
{
"comment_id": "3935554",
"author": "echodelta",
"timestamp": "2017-08-26T21:06:36",
"content": "I just heard the other day that the Feds have decided that occupancy monitors etc. are not reliable, and the only thing to do is add another nag-tone (5 of them) to the entire fleet. It will not know we... | 1,760,374,700.09472 | ||
https://hackaday.com/2017/08/26/design-and-3d-print-robots-with-interactive-robogami/ | Design And 3D Print Robots With Interactive Robogami | Donald Papp | [
"Robots Hacks"
] | [
"3d printed",
"arduino",
"CSAIL",
"design",
"flat pack",
"foldable",
"mit",
"origami",
"robotics",
"servo",
"simulator"
] | Internals of 3D printed “print and fold” robot. [Image source: MIT CSAIL]
Robot design traditionally separates the body geometry from the mechanics of the gait, but they both have a profound effect upon one another. What if you could play with both at once, and crank out useful prototypes cheaply using just about any o... | 2 | 2 | [
{
"comment_id": "3935381",
"author": "rifkialkar",
"timestamp": "2017-08-26T18:37:36",
"content": "Im push down",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3942886",
"author": "Jason",
"timestamp": "2017-08-28T13:45:47",
"content": "Reminds me a... | 1,760,374,700.247356 | ||
https://hackaday.com/2017/08/26/superconference-interview-alan-yates/ | Superconference Interview: Alan Yates | Brian Benchoff | [
"cons",
"Interviews"
] | [
"2017 Hackaday Superconference",
"alan yates",
"Hackaday SuperConference",
"lighthouse",
"valve"
] | In 2015, virtual reality was the future, which means we should all have it right now. One of the most technologically impressive VR sets is the HTC Vive, an amazing piece of kit that’s jam-packed with sensors and has some really cool tech going on inside it.
One of the developers of the HTC Vive and the ever-important ... | 5 | 2 | [
{
"comment_id": "3935266",
"author": "ganzuul",
"timestamp": "2017-08-26T16:13:39",
"content": "There is one company which created a working light-field AR prototype, meaning it manages to simulate depth-of-field. Intel meanwhile created a chip which tracks and solves inverse kinematics for hands, a... | 1,760,374,700.202948 | ||
https://hackaday.com/2017/08/26/raspberry-pi-is-the-brains-behind-automated-greenhouse/ | Raspberry Pi Is The Brains Behind Automated Greenhouse | Steven Dufresne | [
"green hacks",
"Slider"
] | [
"automation",
"garden",
"greenhouse",
"raspberry pi"
] | [Asa Wilson] and his wife picked up a 10’x12′ greenhouse from Harbor Freight that for their location required some serious changes, understandable since they’re in Colorado on the western slope of Pike’s Peak where the winds are strong and the normal growing season is short. After assembling it on a concrete footing an... | 31 | 11 | [
{
"comment_id": "3935018",
"author": "moot-rasta",
"timestamp": "2017-08-26T11:06:20",
"content": "Nice. Presumably solar cells (+ batteries) would provide enough electric to run this self sufficiently?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3935205"... | 1,760,374,700.358759 | ||
https://hackaday.com/2017/08/26/cluephone-for-partiers/ | Cluephone For Partiers | John Baichtal | [
"Arduino Hacks"
] | [
"arduino",
"keypad",
"mp3",
"phone"
] | [Sam Horne] adapted an old school landline phone to
deliver clues to birthday party guests
. When guests find a numerical clue, they type it into the keypad to hear the next clue, which involves decoding some Morse code.
The phone consists of an Arduino Pro Mini, a MP3/WAV trigger, and the phone itself, of which the e... | 4 | 2 | [
{
"comment_id": "3934960",
"author": "SparkyGSX",
"timestamp": "2017-08-26T09:53:37",
"content": "It’s not that quick, is it? Personally, I’d have left out the spoken message and just went with the morse code, since I’d think the fact that it’s morse code would be very obvious, and that way, you don... | 1,760,374,700.286935 | ||
https://hackaday.com/2017/08/25/blast-your-batterys-sulphates-is-it-worth-it/ | Blast Your Battery’s Sulphates, Is It Worth It? | Jenny List | [
"chemistry hacks"
] | [
"battery",
"lead acid battery",
"lead-acid",
"sealed lead acid"
] | When a friend finds her caravan’s deep-cycle battery manager has expired over the summer, and her holiday home on wheels is without its lighting and water pump, what can you do? Faced with a dead battery with a low terminal voltage in your workshop, check its electrolyte level, hook it up to a constant current supply s... | 55 | 27 | [
{
"comment_id": "3934733",
"author": "alex",
"timestamp": "2017-08-26T05:42:24",
"content": "I think there’s a follow up product of the Mini-D here:http://mikeysklar.blogspot.de/p/da-pimp-battery-desulfator.html",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,700.550022 | ||
https://hackaday.com/2017/08/25/a-disc-shooter-for-when-rubber-bands-or-nerf-darts-arent-enough/ | A Disc Shooter For When Rubber Bands Or Nerf Darts Aren’t Enough | Jenny List | [
"Toy Hacks"
] | [
"arduino",
"disc gun",
"motor",
"motor drive",
"toy gun"
] | There are times in everybody’s life when they feel the need to shoot at things in a harmless manner. For those moments there are rubber bands and Nerf darts, but even then they feel like mere toys. If that is the point at which you find yourself, then maybe [Austin]’s
home-made electric disc shooter
can help.
Operation... | 27 | 9 | [
{
"comment_id": "3934569",
"author": "echodelta",
"timestamp": "2017-08-26T02:13:30",
"content": "You could use coins. Not free but, ouch!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3934647",
"author": "Generic Human",
"timestamp": "2017-... | 1,760,374,700.656265 | ||
https://hackaday.com/2017/08/25/blinking-leds-on-the-internet-of-printers/ | Blinking LEDs On The Internet Of Printers | Brian Benchoff | [
"3d Printer hacks"
] | [
"api",
"ultimaker"
] | When you ask for recommendations on which 3D printer to buy, damn the cost, the Ultimaker is consistently at the top of the list. There’s a reason for the popularity of this printer — it’s easy to use, extremely high quality, and has an entire freakin’ Linux system running somewhere under the hood. That last bit is ope... | 7 | 2 | [
{
"comment_id": "3934506",
"author": "kpietriyk",
"timestamp": "2017-08-25T23:38:07",
"content": "I’ve been fixing an Ultimaker 2 for a school district that bought one early for their high school technology program. If I worked for Ultimaker, I would not be eager to show my face in public. The Ultim... | 1,760,374,700.596585 | ||
https://hackaday.com/2017/08/25/custom-cut-pinwheel-makes-a-useful-hvac-duct-flow-meter/ | Custom Cut Pinwheel Makes A Useful HVAC Duct Flow Meter | Dan Maloney | [
"Misc Hacks",
"Slider"
] | [
"air",
"anemometer",
"duct",
"flow meter",
"hvac",
"reflective sensor",
"turbine"
] | Everyone is familiar with pinwheels, and few of us haven’t crafted one from a square of paper, a stick, and a pin. Pinwheels are pretty optimized from a design standpoint, and are so cheap and easy to build that
putting a pinwheel to work as an HVAC duct flow meter
seems like a great idea.
Great in theory, perhaps, but... | 12 | 10 | [
{
"comment_id": "3934361",
"author": "Ren",
"timestamp": "2017-08-25T20:11:13",
"content": "“The limitations are obvious: duct turbulence, flimsy construction, and poor bearings.”You forgot, “kids running off with it”B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,374,700.808972 | ||
https://hackaday.com/2017/08/25/hackaday-prize-entry-cpap-humidifier-monitor-alarm/ | Hackaday Prize Entry: CPAP Humidifier Monitor Alarm | Donald Papp | [
"Arduino Hacks",
"Medical Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"arduino",
"arduino nano",
"CPAP",
"humidifier",
"hx711",
"Load sensor",
"sleep apnea",
"sleep disorder"
] | CPAP (Continuous Positive Airway Pressure) machines can be life-changing for people with sleep apnea. [Scott Clandinin] benefits from his CPAP machine and devised a way to improve his quality of life even further with
a non-destructive modification
to monitor his machine’s humidifier.
With a CPAP machine, all air the w... | 31 | 9 | [
{
"comment_id": "3934294",
"author": "Paul A",
"timestamp": "2017-08-25T19:09:52",
"content": "Isn’t this a good solution to the wrong problem? The real problem is either that the reservoir itself is too small to last the night and/or the user hasn’t checked the reservoir before use.A better applica... | 1,760,374,701.100077 | ||
https://hackaday.com/2017/08/25/driverless-lorries-to-be-tested-on-uk-roads/ | Driverless Lorries To Be Tested On UK Roads By End Of 2018 | Jack Laidlaw | [
"car hacks",
"News"
] | [
"AI controlled vehicles",
"lorry",
"self-driving",
"self-driving vehicle",
"semi"
] | The [BBC] is reporting that driverless semi-trailer trucks or as we call them in the UK
driverless Lorries are to be tested on UK roads
. A contract has been awarded to the Transport Research Laboratory (TRL) for the trials. Initially the technology will be tested on closed tracks, but these trials are expected to move... | 43 | 15 | [
{
"comment_id": "3934259",
"author": "Andrew Errington",
"timestamp": "2017-08-25T18:18:31",
"content": "Congratulations! You’ve invented the railway!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3934263",
"author": "Richard",
"timestamp":... | 1,760,374,701.033338 | ||
https://hackaday.com/2017/08/25/usb-%ce%bcc-peril/ | USB + μC = Peril? | John Baichtal | [
"ATtiny Hacks",
"Featured"
] | [
"safety",
"usb"
] | You hear about people finding USB drives and popping them into a computer to see what’s on them, only to end up loading some sort of malware onto their computer. It got me to thinking, given this notorious vulnerability, is it really a great idea to make electronics projects that plug into a computer’s USB port? Should... | 50 | 22 | [
{
"comment_id": "3934188",
"author": "jenschma (@jenschma)",
"timestamp": "2017-08-25T17:11:05",
"content": "hackaday just hit a new low.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3934288",
"author": "TGT",
"timestamp": "2017-08-25T18:59... | 1,760,374,700.949983 | ||
https://hackaday.com/2017/08/25/a-3d-printed-junction-transistor-model/ | A 3D Printed Junction Transistor Model | Adil Malik | [
"Misc Hacks"
] | [
"3d print",
"junction transistor",
"transistor model"
] | Transistors are no doubt one of humankinds greatest inventions. However, the associated greatness brings with it unprecedented complexity under the hood. To fully understand how a transistor works, one needs to be familiar with some Quantum Mechanics! As perhaps any EE undergraduate would tell you, one of the hardest s... | 10 | 7 | [
{
"comment_id": "3934110",
"author": "me",
"timestamp": "2017-08-25T15:51:46",
"content": "Oh man.. I have so got to finish assembling my 3d printer!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3934111",
"author": "chuck hellebuyck",
"timestamp": ... | 1,760,374,700.861583 | ||
https://hackaday.com/2017/08/25/shacamp-2017-a-personal-review/ | SHACamp 2017, A Personal Review | Jenny List | [
"cons",
"Current Events",
"Featured"
] | [
"hacker camp",
"Netherlands",
"sha2017"
] | There are a series of stages to coming down from a festival. After the hectic rush of travel there are the several days of catching up on lost sleep and picking up the threads of your life again, then once a semblance of order has been regained there’s that few weeks of
emptiness
. Your life will never be the same agai... | 7 | 3 | [
{
"comment_id": "3934071",
"author": "Ostracus",
"timestamp": "2017-08-25T15:11:44",
"content": "“You might not want to do it yourself, but if you’ve been fascinated by the YouTube videos of freight-hopping then here’s your chance at a first-hand account. ”Aside from the legality, there’s the danger... | 1,760,374,701.163 | ||
https://hackaday.com/2017/08/25/wooden-word-wristwatch-wows-woomies/ | Wooden Word Wristwatch Wows Woomies | Elliot Williams | [
"clock hacks"
] | [
"finish",
"veneer",
"watch",
"wood",
"word clock"
] | [HakuG] wanted to make a watch for his roommates, and had a design project due. He killed two birds with one stone, and then some. The result is a
classic word clock, but with a refined all-wood look
that’s also small enough to wear on your wrist.
Nothing good ever comes out right the first time, and the log of [HakuG]... | 25 | 10 | [
{
"comment_id": "3933857",
"author": "Dave Davidson",
"timestamp": "2017-08-25T11:47:35",
"content": "First time I’ve seen someone get wood for a Watch. usually they watch to get wood.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3933860",
"author": "Dav... | 1,760,374,701.224372 |
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