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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2011/04/24/mini-led-message-board-built-from-retro-displays/ | Mini LED Message Board Built From Retro Displays | Mike Nathan | [
"Arduino Hacks",
"LED Hacks"
] | [
"arduino",
"display",
"led",
"retro"
] | [Iain] is getting to the point in his life where he finds himself waxing nostalgic about various different technologies from his youth. One item he has always been fond of is first generation 7 segment consumer LED displays, like those found in old calculators.
He was excited to find one of these displays at the bottom... | 19 | 19 | [
{
"comment_id": "385408",
"author": "Alex Parting",
"timestamp": "2011-04-24T14:13:22",
"content": "that’s totally wasted on her. it should be the larson scanner in a robot",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "385410",
"author": "vic",
"times... | 1,760,377,207.72696 | ||
https://hackaday.com/2011/04/23/hacking-cakes-with-leds/ | Hacking Cakes With LEDs | Mike Nathan | [
"LED Hacks",
"Misc Hacks"
] | [
"cake",
"circuits",
"food",
"leds"
] | A large part of science is making mistakes and learning from them in order to make each subsequent design that much better. When your experimentation involves hacking cakes, each failure is an exercise in deliciousness.
[Craig] and his group of research partners often bake electronics-related cakes whenever part of the... | 25 | 24 | [
{
"comment_id": "385096",
"author": "Braian87b",
"timestamp": "2011-04-23T20:55:46",
"content": "OMFG! would be great if the cake is made with dulce de leche!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "385120",
"author": "Elias",
"timestamp": "2011... | 1,760,377,207.562186 | ||
https://hackaday.com/2011/04/23/hacking-analog-phones-for-voip/ | Hacking Analog Phones For VOIP | Mike Nathan | [
"classic hacks"
] | [
"analog",
"phone",
"voip"
] | [Tyler] has been using Google Voice extensively for some time now, but he hasn’t quite found a microphone/speaker setup he is happy with. He tried a headset, but that just didn’t do it for him.
While browsing around at his local thrift store,
he came across an old Model 500 rotary phone for just a few dollars
and decid... | 30 | 30 | [
{
"comment_id": "385080",
"author": "weregeek",
"timestamp": "2011-04-23T19:56:54",
"content": "I, too, have a 500 set hooked up to make voip calls through google voice. A SIP or IAX ATA that supports pulse dial, and a relatively recent version on asterisks makes it work just about like it did when... | 1,760,377,207.223998 | ||
https://hackaday.com/2011/04/23/the-layerone-hacking-conference-is-around-the-corner/ | The LayerOne Hacking Conference Is Around The Corner | Caleb Kraft | [
"News",
"Security Hacks"
] | [
"cons",
"hacking",
"security"
] | We just wanted to give a heads up to everyone to remind them that the annual
layerOne hacking and security conference
is coming up soon. They have announced their speaker line-up which includes talks on home monitoring, lockpicking, mobile malware and tons more. The event is located in Anaheim California on May 28-29.
... | 20 | 18 | [
{
"comment_id": "385022",
"author": "Kennychuot07",
"timestamp": "2011-04-23T16:26:02",
"content": "Dc ruj",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "385031",
"author": "MS3FGX",
"timestamp": "2011-04-23T17:09:39",
"content": "“The design was c... | 1,760,377,207.286503 | ||
https://hackaday.com/2011/04/23/simple-avr-based-gps-tracker/ | Simple AVR Based GPS Tracker | Caleb Kraft | [
"gps hacks"
] | [
"atmega",
"AVR",
"gps"
] | The latest project from Lucidscience.com is a
simple AVR based GPS tracker
. As usual, the instructions here are quite in-depth including schematics and step by step procedures all the way down to modifying cables when necessary. What we found interesting is that the GPS module he’s using is so simple. It only requires... | 7 | 7 | [
{
"comment_id": "384993",
"author": "Brett W. (FightCube.com)",
"timestamp": "2011-04-23T14:45:30",
"content": "Very cool little spy device ;-) I would add a zigbee radio that could be used for the serial download or reprogramming the device from a distance. That way once you sneak it onto the car... | 1,760,377,207.445973 | ||
https://hackaday.com/2011/04/22/simple-ir-bounce-tachometer/ | Simple IR Bounce Tachometer | Jesse Congdon | [
"Microcontrollers",
"Tool Hacks"
] | [
"ir",
"Microchip PIC",
"PIC18F2550",
"speedometer",
"start USB for PIC"
] | [Rajendra Bhatt] writes in to let us know about a nice simple
IR bounce tachometer
. The project uses a startUSB for PIC board and a 16×2 character LCD with a very basic Infrared bounce circuit. Measuring either a reflective or non reflective spot in the rotating object, in this case a bit of white paper, the micro is... | 13 | 13 | [
{
"comment_id": "384741",
"author": "Jacob",
"timestamp": "2011-04-22T21:59:25",
"content": "I’m glad i didn’t buy a turbocharger tachometer from Garrett, seems now i can build my own for $30 or less..On question though, why does the RX pin have to be switched to high using the PNP resistor saturate... | 1,760,377,207.401219 | ||
https://hackaday.com/2011/04/22/nerf-mind-bullets/ | Nerf Mind Bullets | Mike Szczys | [
"Toy Hacks"
] | [
"arduino",
"mindset",
"mindwave",
"nerf",
"neurosky"
] | [Chris] thinks that using your brain to control your trigger finger is a passé way of operating a toy firearm. Instead, he’s
using his mind to fire foam bullets
at whatever he thinks needs to pretend-die. To read his will, he’s chosen the Neurosky MindWave,
a device that we just looked at for servo control
. That hack ... | 9 | 9 | [
{
"comment_id": "384676",
"author": "MrX",
"timestamp": "2011-04-22T18:25:48",
"content": "<>Magic Smoke!!! He could have prevented that by using multi-color cabling. Sure he has some fancy jumper wire, but still..With everything moving to fiber optics, it is not that hard to find color phone line c... | 1,760,377,207.154079 | ||
https://hackaday.com/2011/04/22/dslr-infrared-camera-conversion/ | DSLR Infrared Camera Conversion | Mike Nathan | [
"digital cameras hacks"
] | [
"conversion",
"dslr",
"infrared",
"ir"
] | [Jerry] recently got a shiny new DSLR camera and was looking to do something with the old Pentax DSLR it replaced. Having performed a few point and shoot IR conversions in the past, he was pretty confident
he could tackle this conversion without too much trouble
.
He located the service manual for the camera and got bu... | 17 | 17 | [
{
"comment_id": "384641",
"author": "PocketBrain",
"timestamp": "2011-04-22T17:08:48",
"content": "Heh. I still have my CVS camcorder IR conversion. Incidentally, sharpie marker is invisible to IR, so it’s easy to make a visible-light filter.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,377,207.351269 | ||
https://hackaday.com/2011/04/22/relay-calculator/ | Relay Calculator | Kevin Dady | [
"classic hacks"
] | [
"calculator",
"relay"
] | Calculators are a handy tool to have around in just about every application. We often take them for granted today, but even when I was a kid they were still sort of expensive devices that you put thought into buying. Illustrating just how far we have come is this awesome
Relay Calculator
brought to us by [Team 619].
Fe... | 6 | 6 | [
{
"comment_id": "384610",
"author": "...",
"timestamp": "2011-04-22T15:35:55",
"content": "Those are CCFL tubes, FIRST includes them in their robot parts kits sometimes. By the looks of it most of the calculator is leftover FIRST parts, a great use of the junk in th lab!",
"parent_id": null,
... | 1,760,377,207.771789 | ||
https://hackaday.com/2011/04/22/beat707-takes-its-cue-from-a-vintage-drum-machine/ | Beat707 Takes It’s Cue From A Vintage Drum Machine | Brian Benchoff | [
"Arduino Hacks",
"Musical Hacks"
] | [
"arduino",
"synthesizer"
] | We always like musical hacks at hackaday, so we were pleased to see the team at [Beat707] come out with their
Beat707
MIDI groove box.
The Beat707 takes it’s inspiration from the venerable
Roland TR-707
. Like the Roland, the Beat707 can save songs and has MIDI In and Out. Unlike the TR-707, the Beat707 doesn’t have an... | 19 | 19 | [
{
"comment_id": "384588",
"author": "Thom",
"timestamp": "2011-04-22T14:29:51",
"content": "Eh, if this is just putting out midi commands how is it anything like a TR-707?? Its a generic sequencer surely?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "384590",... | 1,760,377,207.501205 | ||
https://hackaday.com/2011/04/22/rule-your-furnace-with-this-network-enabled-thermostat/ | Rule Your Furnace With This Network-enabled Thermostat | Mike Nathan | [
"Arduino Hacks",
"home hacks"
] | [
"ethernet",
"thermostat"
] | Adafruit forum member [Stephanie] embarked on a mission to
replace the thermostat in her home with one that was far more robust and full of electronic goodies
.
Her goal was to build a networked thermostat that allowed for 2-way communications between the base station and any other networked device, such as her laptop ... | 13 | 12 | [
{
"comment_id": "384581",
"author": "Dave",
"timestamp": "2011-04-22T14:12:49",
"content": "This is really cool, and has a great presentation. Nice work Stephanie. Also- interesting blog with lots of pictures and good descriptions. I’m a little nervous about creating my own thermostat because of ... | 1,760,377,207.81922 | ||
https://hackaday.com/2011/04/22/pcb-milling-tutorial/ | PCB Milling Tutorial | Mike Szczys | [
"cnc hacks"
] | [
"EagleCad",
"end mill",
"isopro",
"mill",
"pcb"
] | [Juan Jose Chong] put together a set of videos and
a PDF guide to milling printed circuit boards
. You’ll find the pair of videos, totaling about twenty-two minutes, embedded after the break. In them, [Jaun] details the techniques used by the IEEE chapter at Texas Tech University to mill PCBs instead of using the tradi... | 26 | 23 | [
{
"comment_id": "384586",
"author": "Luke",
"timestamp": "2011-04-22T14:28:41",
"content": "I know what I’m doing this weekend!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "384589",
"author": "Will",
"timestamp": "2011-04-22T14:30:11",
"content":... | 1,760,377,207.984717 | ||
https://hackaday.com/2011/04/22/mindwave-is-developer-read-hacker-friendly-mind-control/ | MindWave Is Developer (read: Hacker) Friendly Mind Control | Mike Szczys | [
"Arduino Hacks"
] | [
"mindwave",
"servo",
"usb"
] | Here’s a setup to
control a servo motor with your mind
. [Danny Bertner] made this project happen by interfacing a
MindWave headset
with an Arduino. You might wonder what’s the big deal about that since we’ve covered quite a few
mind control hacks that work this way
? So far, the majority of those hacks used the Mindfl... | 3 | 3 | [
{
"comment_id": "384528",
"author": "Ratty",
"timestamp": "2011-04-22T11:25:41",
"content": "Interesting, shame they fall into the trap of charging the same price for their equipment in euros as dollars, just swapping the $ for a €.99 Euros = 144.2331 U.S. dollars says google.",
"parent_id": nul... | 1,760,377,207.919804 | ||
https://hackaday.com/2011/04/21/laser-tripwire-water-balloon-prank/ | Laser Tripwire Water Balloon Prank | Mike Nathan | [
"Laser Hacks",
"Misc Hacks"
] | [
"laser",
"prank",
"tripwire",
"water balloon"
] | Even though it’s a bit late for April Fool’s jokes, [Ameres] wrote in to share
a project guaranteed to catch your friends (or enemies) by surprise
.
Like us, he had some old CD-ROM drives sitting around and thought that there must be some way to put them to good use. He gutted one, saving the laser’s carrier unit for u... | 8 | 8 | [
{
"comment_id": "384286",
"author": "Harley",
"timestamp": "2011-04-21T23:44:26",
"content": "I’m curious how he learned to do this through a career in electrical engineering possibly?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "384301",
"author": "jedi... | 1,760,377,208.303026 | ||
https://hackaday.com/2011/04/21/measuring-the-10-kiloamp-output-of-a-large-capacitor-bank/ | Measuring The ~10 Kiloamp Output Of A Large Capacitor Bank | Mike Szczys | [
"Misc Hacks"
] | [
"bank",
"capacitor",
"rogowski coil"
] | [Norman] put together a rather impressive 22,500 uF capacitor bank. In addition to find things to torture with the strong magnetic field generated by a sudden discharge, he’d like to measure the current pushed from the device. He’s found
a way to do this using a digital storage oscilloscope
. To protect the oscilloscop... | 22 | 22 | [
{
"comment_id": "384191",
"author": "Digimer",
"timestamp": "2011-04-21T21:09:57",
"content": "Needs more cowbell. Err. Needs MOAR POWAR!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "384196",
"author": "sp00nix",
"timestamp": "2011-04-21T21:18:42",
... | 1,760,377,208.360699 | ||
https://hackaday.com/2011/04/21/blackberry-lcd-reverse-engineering/ | Blackberry LCD Reverse Engineering | Mike Nathan | [
"blackberry hacks"
] | [
"Atmel",
"blackberry",
"lcd",
"reverse engineering"
] | [Scott] was looking to source some LCD screens for an upcoming project, and was considering buying them from SparkFun. While the Nokia panels they sell are not expensive, they aren’t necessarily the cheapest option either – especially when building in volume.
He searched around for something he could use instead,
and s... | 23 | 22 | [
{
"comment_id": "384162",
"author": "1000100 1000001 1010110 1000101",
"timestamp": "2011-04-21T20:25:41",
"content": "Awesome. His page has been bookmarked.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "384192",
"author": "Mikee55",
"timestamp": "201... | 1,760,377,208.178507 | ||
https://hackaday.com/2011/04/21/tandy-color-computer-coco3-color-video-playback/ | Tandy Color Computer (CoCo3) Color Video Playback | Mike Szczys | [
"computer hacks",
"Video Hacks"
] | [
"coco3",
"color computer",
"tandy",
"trs-80",
"trs80"
] | [John W. Linville] wrote
a digital video player for the Tandy Color Computer
(aka TRS-80). The decades-old hardware performs quite well considering the limited resource he had to work with. This is the second iteration of his player, and can be seen after the break playing a promo video for
CoCoFEST 2011
where he’ll sh... | 18 | 17 | [
{
"comment_id": "384120",
"author": "Hans PUFAL",
"timestamp": "2011-04-21T19:19:10",
"content": "Actually the Tandy CoCo and TRS-80 are completely different. The TRS-80 is based on the Z80 processor, the CoCo on the Motorola 6809.Tandy DID confuse the issue by naming CoCo the TRS-80 Color Compter, ... | 1,760,377,208.1228 | ||
https://hackaday.com/2011/04/21/camera-software-learns-to-pick-you-out-of-a-crowd/ | Camera Software Learns To Pick You Out Of A Crowd | Mike Nathan | [
"digital cameras hacks",
"Video Hacks"
] | [
"face recognition",
"predator",
"tld",
"tracking",
"video"
] | While the Kinect is great at tracking gross body movements and discerning what part of a person’s skeleton is moving in front of the camera, the device most definitely has its shortfalls. For instance, facial recognition is quite limited, and we’re guessing that it couldn’t easily track an individual’s eye throughout t... | 42 | 42 | [
{
"comment_id": "384052",
"author": "blaine",
"timestamp": "2011-04-21T18:04:43",
"content": "imagine how this could help in the tracking of suspected terrorists. with it tied into networked cameras in airports world wide. wonder if it can learn from scanned photos of the same subject?",
"parent... | 1,760,377,208.257948 | ||
https://hackaday.com/2011/04/21/internet-controlled-robotic-arm/ | Internet-controlled Robotic Arm | Mike Nathan | [
"Robots Hacks",
"Toy Hacks"
] | [
"arduino",
"arm",
"game",
"remote control",
"robot",
"toy"
] | [Trav] was pondering virtual reality and decided it was no longer all that it was cracked up to be, so he created an experience in what he calls “Remote Reality”. While we have seen many installations over the years that allow people to remotely interact with objects across the globe, his Orbduino project consists of m... | 8 | 7 | [
{
"comment_id": "383999",
"author": "Brett W. (FightCube.com)",
"timestamp": "2011-04-21T15:58:16",
"content": "Very cool! Over the years I’ve also played with this one, which used to have a faster video feed:http://www.webtruck.org/webtruck/live2010_html",
"parent_id": null,
"depth": 1,
... | 1,760,377,208.409612 | ||
https://hackaday.com/2011/04/21/easter-egg-hacking/ | Easter Egg Hacking | Mike Nathan | [
"Misc Hacks",
"Musical Hacks"
] | [
"egg",
"music",
"PICAXE",
"piezo",
"tilt switch"
] | Spring is upon us and Instructables user [Mischka] decided it was a good idea to combine two flavors we never considered putting together:
The Easter Bunny and the A-Team
.
He decided to build the egg as an Easter gift for his brother, who is a huge fan of the A-Team. He found a slightly larger than normal plastic egg,... | 7 | 7 | [
{
"comment_id": "383994",
"author": "mic",
"timestamp": "2011-04-21T15:49:19",
"content": "It should say, “I pity the fool.” when you shake it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383998",
"author": "Oliver",
"timestamp": "2011-04-21T15:57:4... | 1,760,377,208.456275 | ||
https://hackaday.com/2011/04/21/rube-goldberg-machine-puts-engineering-students-in-the-record-books/ | Rube Goldberg Machine Puts Engineering Students In The Record Books | Mike Nathan | [
"contests",
"Misc Hacks"
] | [
"complex",
"fun",
"guinnessbookofworldrecords",
"rube goldberg",
"silly"
] | Rube Goldberg machines are always a fan favorite around here. They truly embody the concept of over-engineering, and are an entertaining departure from what we normally cover on Hackaday.
Back in February, engineering students from two on-campus professional associations at Purdue University teamed up to construct a
wo... | 36 | 36 | [
{
"comment_id": "383905",
"author": "bunedoggle",
"timestamp": "2011-04-21T13:08:06",
"content": "Epic.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383910",
"author": "sariel",
"timestamp": "2011-04-21T13:19:17",
"content": "and thus will end th... | 1,760,377,208.526666 | ||
https://hackaday.com/2011/04/21/cotton-candy-just-the-color-you-like-it/ | Cotton Candy Just The Color You Like It | Mike Szczys | [
"home hacks"
] | [
"cotton candy",
"mbed",
"sugar"
] | Hit the web to order up your
custom-color cotton candy from this machine
(
translated
). A computer monitors a web interface for an incoming order, then pushes commands to an mbed microcontroller which dispenses three different colors of sugar to whip up your custom shade of the cottony delight.
In addition to the suga... | 9 | 9 | [
{
"comment_id": "383886",
"author": "Decepticon",
"timestamp": "2011-04-21T12:31:02",
"content": "Very nice. But what I want to know is, what is that track behind them? Looks like phun!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383900",
"author": "N... | 1,760,377,208.573551 | ||
https://hackaday.com/2011/04/21/doj-and-fbi-now-issuing-command-to-botnet-malware/ | DoJ And FBI Now Issuing Command To Botnet Malware | Mike Szczys | [
"Security Hacks"
] | [
"botnet",
"coreflood",
"department of justice",
"doj",
"fbi"
] | Looks like the FBI is starting to get pretty serious about fighting malware. Traditionally they have attacked the servers that activate and control botnets made up of infected computers. This time they’re
going much further by taking control of and issuing commands to the botnets
. In this instance it’s a nasty little ... | 65 | 50 | [
{
"comment_id": "383858",
"author": "Coda",
"timestamp": "2011-04-21T11:05:42",
"content": ">How long do you think it will be before some black hat comes up with a countermeasure against this type of enforcement?About 37 seconds. Fight the root cause, not the symptoms!",
"parent_id": null,
"... | 1,760,377,209.437165 | ||
https://hackaday.com/2011/04/20/amazing-quad-pick-and-place-system-tirelessly-sorts-your-legos/ | Amazing Quad Pick And Place System Tirelessly Sorts Your Legos | Mike Nathan | [
"Robots Hacks"
] | [
"lego",
"nxt",
"pick and place",
"robot",
"sorting"
] | [Chris] is quite the devoted tinkerer. He recently wrote in to share what can only be described as a labor of love.
His Quad Delta Robot system
has been in the works for about six years now, split into periods of research, building, more research, and rebuilding until arriving at its current form.
The system is made up... | 19 | 19 | [
{
"comment_id": "383578",
"author": "tehbasti",
"timestamp": "2011-04-20T22:25:48",
"content": "the noise drives me insane…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383591",
"author": "AllThatJazz",
"timestamp": "2011-04-20T23:01:28",
"conten... | 1,760,377,208.669081 | ||
https://hackaday.com/2011/04/20/trackuino-%e2%80%93-an-open-source-arduino-aprs-tracker/ | Trackuino – An Open Source Arduino APRS Tracker | Jason Komp | [
"Arduino Hacks",
"gps hacks"
] | [
"APRS",
"arduino",
"balloon",
"GPR"
] | Trackuino is a new open source (GPLv2 license) Arduino APRS tracker designed by [Javier Martin]. If you are unfamiliar: APRS (Automatic Packet Reporting System) is an amateur radio method used to relay small packets of position-tracking data to an online database for easy access and mapping. In this case, GPS telemetry... | 31 | 31 | [
{
"comment_id": "383570",
"author": "Jim",
"timestamp": "2011-04-20T22:01:27",
"content": "I want to launch weather balloon sooo Bad!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383573",
"author": "hpux735",
"timestamp": "2011-04-20T22:05:57",
"... | 1,760,377,208.95296 | ||
https://hackaday.com/2011/04/20/larson-scanner-using-7400-series-logic-hardware/ | Larson Scanner Using 7400 Series Logic Hardware | Mike Szczys | [
"LED Hacks"
] | [
"7400",
"cylon eye",
"flipflop",
"knight rider",
"larson scanner"
] | [RandomTask] is sharing
a Larson scanner he built a few decades ago
. These days you can whip one of these up using an Arduino in under an hour. He mentions this, but we agree that for nostalgic purposes there’s nothing like implementing the scanning LED effect using hardware.
Often called a Cylon Eye (after the televi... | 11 | 11 | [
{
"comment_id": "383545",
"author": "Hirudinea",
"timestamp": "2011-04-20T21:18:06",
"content": "Ah, isn’t that cute, a baby cylon.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383566",
"author": "fdawg4l",
"timestamp": "2011-04-20T21:55:51",
"co... | 1,760,377,209.043532 | ||
https://hackaday.com/2011/04/20/capacitive-touch-sensor-shield-for-the-ti-launchpad/ | Capacitive Touch Sensor Shield For The TI Launchpad | Mike Szczys | [
"Microcontrollers"
] | [
"capacitive",
"lauchpad",
"msp430g2452",
"texas instruments",
"ti",
"touch sensor"
] | Texas Instruments just released a product they call the
Capacitive Touch Boosterpack which is basically a touch-sensitive shield for the Launchpad
. The video after the break shows an unboxing and demonstration of the product which TI is launching with a $4.30 limited-time price tag. The red PCB itself has a capacitive... | 37 | 37 | [
{
"comment_id": "383524",
"author": "Loki",
"timestamp": "2011-04-20T20:11:57",
"content": "Just ordered two for BrainSilo – these should be fun!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383525",
"author": "Rogan Dawes",
"timestamp": "2011-04-20T... | 1,760,377,209.115801 | ||
https://hackaday.com/2011/04/20/interactive-sun-exhibit-uses-3d-projection-screen-and-kinect/ | Interactive Sun Exhibit Uses 3D Projection Screen And Kinect | Mike Szczys | [
"Multitouch Hacks"
] | [
"exhibit",
"Kinect",
"museum",
"projector"
] | A few common components come together to make this
interactive museum exhibit that teaches about the sun
(
translated
). It uses three main physical components to pull this off. The first is a custom projection surface. It’s a hemisphere of the sun with a slice cut out of it. This is presumably coated with the paint yo... | 7 | 7 | [
{
"comment_id": "383505",
"author": "Ken",
"timestamp": "2011-04-20T19:21:34",
"content": "Looks like a great museum!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383550",
"author": "dwan",
"timestamp": "2011-04-20T21:20:28",
"content": "any idea... | 1,760,377,208.998841 | ||
https://hackaday.com/2011/04/20/iphone-watching-every-breath-you-take-every-move-you-make/ | IPhone Watching Every Breath You Take, Every Move You Make | Mike Nathan | [
"iphone hacks",
"Security Hacks"
] | [
"gps",
"iphone",
"privacy",
"security",
"tracking"
] | Most people tend to enjoy a certain modicum of privacy. Aside from the data we all share willingly on the web in the form of forum posts, Twitter activity, etc., people generally like keeping to themselves.
What would you think then, if you found out your iPhone (or any iDevice with 3G) was tracking and logging your ev... | 89 | 50 | [
{
"comment_id": "383473",
"author": "Aaron",
"timestamp": "2011-04-20T18:19:55",
"content": "$5 gets you $7 that Apple’s response boils down to “There’s nothing to fix here; the innocent have nothing to hide.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383... | 1,760,377,209.252914 | ||
https://hackaday.com/2011/04/20/zork-on-the-microtouch/ | Zork On The Microtouch | Mike Szczys | [
"Multitouch Hacks"
] | [
"adafruit",
"frotz",
"microtouch",
"rossum",
"z80",
"zork"
] | [Rossum] just finished
porting Zork over to the Microtouch
. This hardware, which
he originally designed
, is now
available for purchase
through Adafruit. It’s a tiny 320×240 TFT touchscreen, driven by an AVR ATmega32u4 microcontroller. The device draws power from a lithium battery, and also boast a USB connection and ... | 10 | 10 | [
{
"comment_id": "383455",
"author": "DanJ",
"timestamp": "2011-04-20T17:49:12",
"content": "Love it! I can remember spending hours hunched over a Lear Siegler ADM-3 terminal connected to a Data General minicomputer as a kid playing “Adventure”.“You are in a twisty maze of passageways, all alike,”",... | 1,760,377,209.164401 | ||
https://hackaday.com/2011/04/20/555-contest-winners-to-be-announced-tonight/ | 555 Contest Winners To Be Announced Tonight | Mike Nathan | [
"contests"
] | [
"555 contest"
] | It’s been nearly two months since the official entry portion of the 555 timer contest came to a close, and the judges have been busy poring over the 200+ entries since. Now that the votes have been tallied, it’s
just about time for the official results to be announced
.
The results will be live streamed this evening at... | 7 | 7 | [
{
"comment_id": "383413",
"author": "j s",
"timestamp": "2011-04-20T16:16:14",
"content": "Isn’t Forrest M. Mims III retired?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383415",
"author": "DerAxeman",
"timestamp": "2011-04-20T16:17:29",
"conten... | 1,760,377,209.351607 | ||
https://hackaday.com/2011/04/20/apple-ii-weather-display-part-3/ | Apple II Weather Display (part 3) | Kevin Dady | [
"Misc Hacks",
"Software Hacks"
] | [
"apple II",
"retro"
] | In parts 1 and 2, I discussed the important parts of what is going on the PC side with lua. While not 110% detailed I hope it gave you an idea on how the data is processed so the Apple II computer could quickly digest it. Now its time to see what happens at the other end of the serial cable. I am using basic, but its n... | 12 | 12 | [
{
"comment_id": "383363",
"author": "t&p",
"timestamp": "2011-04-20T13:16:44",
"content": "Read the rest of this entry »",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383364",
"author": "mess_maker",
"timestamp": "2011-04-20T13:20:22",
"content": ... | 1,760,377,209.490587 | ||
https://hackaday.com/2011/04/20/magellan-gps-hack-for-hassle-free-charging/ | Magellan GPS Hack For Hassle-free Charging | Mike Nathan | [
"gps hacks"
] | [
"gps",
"Magellan",
"power",
"usb"
] | Hackaday reader [Paul] recently shared
a simple hack he put together via our Flickr photostream
.
It seems that his Magellan GPS unit is pretty finicky when it comes to power supplies. When connected to the Magellan adapter, the GPS unit charged as you would expect. When connected to a PC, it sensed the connection and ... | 21 | 21 | [
{
"comment_id": "383349",
"author": "Sariel",
"timestamp": "2011-04-20T12:36:57",
"content": "I just tried to charge through usb a few days ago and it failed due to the same reasons. thanks for the hack Paul!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383... | 1,760,377,209.311203 | ||
https://hackaday.com/2011/04/20/defcon-19-call-for-workshops/ | Defcon 19 Call For Workshops | Mike Nathan | [
"cons",
"Security Hacks"
] | [
"defcon",
"hacking",
"security",
"workshops"
] | The crew at Defcon is hard at work getting things ready for this year’s event, taking place over the first weekend in August. While the typical call for papers has been out for almost two months now, the extra space afforded by the RIO hotel has given the organizers a chance to shake things up a bit and try something n... | 6 | 6 | [
{
"comment_id": "383355",
"author": "0x4368726973",
"timestamp": "2011-04-20T12:53:18",
"content": "Sounds like a good place for a VE session…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383400",
"author": "Luke",
"timestamp": "2011-04-20T15:48:33",... | 1,760,377,209.538725 | ||
https://hackaday.com/2011/04/19/laser-tracker-replays-competitive-rock-wall-climbs/ | Laser Tracker Replays Competitive Rock Wall Climbs | Mike Nathan | [
"Arduino Hacks",
"Laser Hacks"
] | [
"arduino",
"climbing",
"ghost",
"laser",
"rock wall",
"tracker"
] | Instructables user [PenfoldPlant] is a big fan of indoor rock climbing, and while watching others make difficult climbs, he has often wondered if he could follow the same route up the wall. Unfortunately, aside from watching the other climbers and hoping to remember the path they have taken, he found there isn’t much y... | 17 | 17 | [
{
"comment_id": "383059",
"author": "Harvie.CZ",
"timestamp": "2011-04-19T23:44:59",
"content": "I would be way more cool to have 4 lasers – each tracking one hand or leg, so you can see which grip points oponent used to climb.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,377,209.702385 | ||
https://hackaday.com/2011/04/19/high-voltage-rig-wipes-cds-clean/ | High Voltage Rig Wipes CDs Clean | Mike Nathan | [
"Misc Hacks",
"Security Hacks"
] | [
"data destruction",
"electricity",
"high voltage"
] | Here at Hackaday, we’re not against showing videos of gratuitous destruction just for the sake of it, though we try not to make it a habit. In this case we just couldn’t help ourselves. However, this video technically constitutes a security hack, as it does involve erasing sensitive information from CDs…
…with awesome!... | 28 | 28 | [
{
"comment_id": "383017",
"author": "Kevin",
"timestamp": "2011-04-19T23:12:50",
"content": "In the name of science!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383021",
"author": "XiuiX",
"timestamp": "2011-04-19T23:15:40",
"content": "That mad... | 1,760,377,209.895466 | ||
https://hackaday.com/2011/04/19/laser-trip-wire-the-bare-essentials/ | Laser Trip Wire – The Bare Essentials | Mike Szczys | [
"Laser Hacks"
] | [
"cadmium sulfide",
"CdS",
"mirror",
"mosfet",
"poster putty",
"trip wire"
] | [Gordon] sent us a tip about
this simple laser trip wire system
after reading yesterday’s post on
a more complicated laser security unit
. That build did a lot to provide functionality, such as a system to disarm the trip wire, and a robust light detection circuit. This time around there’s more happening with smoke and... | 12 | 11 | [
{
"comment_id": "383022",
"author": "Connor",
"timestamp": "2011-04-19T23:16:28",
"content": "And you will have a laser trip wire that can pshhhhh haha funny but this could proove very usefull for my killing robot!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,377,209.650922 | ||
https://hackaday.com/2011/04/19/simple-fm-transmitter-that-shows-off-its-own-circuitry/ | Simple FM Transmitter That Shows Off Its Own Circuitry | Mike Szczys | [
"Radio Hacks"
] | [
"coil",
"fm",
"sean michael ragan",
"transmitter"
] | [Sean Michael Ragan]
built this FM transmitter
which shows off its circuitry via a clear plastic dome. The device is
electrically identical to one we looked at in September
. That version championed a construction method that used small squares of copper clad as solder points which were each super-glued to a large copp... | 8 | 8 | [
{
"comment_id": "382957",
"author": "DocDawning",
"timestamp": "2011-04-19T20:33:47",
"content": "Wow, that looks sooo beautiful. Looks like a fairly simple circuit to build too.. ooooooOOOooo! :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "383060",
"au... | 1,760,377,209.750112 | ||
https://hackaday.com/2011/04/19/powering-vehicles-with-aluminum/ | Powering Vehicles With Aluminum | Mike Szczys | [
"chemistry hacks"
] | [
"aluminum",
"fuel cell",
"hydrogen",
"sodium hydroxide"
] | Pop a few aluminum bits into this little RC racer
and you’ll have power for around forty minutes. This concept, which has been patented, is the result of a college research project. It uses a chemical reaction between aqueous Sodium Hydroxide and aluminum. The result of that reaction is hydrogen, which is gathered and ... | 83 | 50 | [
{
"comment_id": "382922",
"author": "Xiver",
"timestamp": "2011-04-19T19:42:15",
"content": "Yeah, but in the meantime its cheap energy right?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "382923",
"author": "vmspionage",
"timestamp": "2011-04-19T19:4... | 1,760,377,209.982891 | ||
https://hackaday.com/2011/04/19/eagerfeet-lets-you-scrape-your-nike-data-from-the-web/ | EagerFeet Lets You Scrape Your Nike+ Data From The Web | Mike Szczys | [
"Misc Hacks"
] | [
"gps",
"gpx",
"nike",
"nike+ipod"
] | Runners that wear shoes with the Nike+ system can upload GPS data about their runs to the proprietary website. If you’ve been using this for a while you may be reluctant to switch to another service that works with the hardware because you don’t want to lose the historical data. Faced with this issue, [Robert Kosara] d... | 4 | 4 | [
{
"comment_id": "382896",
"author": "bunnyboy",
"timestamp": "2011-04-19T18:58:49",
"content": "Almost what I need! I have old data on the Nike+ site but it doesn’t have any GPS component. I still want to be able to get the speed/pace info but haven’t found a way to access it…",
"parent_id": n... | 1,760,377,210.224873 | ||
https://hackaday.com/2011/04/19/ludum-dare-20-starting-april-29th/ | Ludum Dare 20 Starting April 29th | Kevin Dady | [
"contests"
] | [
"Ludum Dare"
] | Ludum Dare
20 is only 10 days away! Great, what the heck is Ludum Dare? Well its only the most awesome video game creation contest on the internet, thats what. While originally for the hardest of the hard core, it has recently been split up into 2 events so everyone gets to have some fun.
The Jam is pretty relaxed in t... | 9 | 9 | [
{
"comment_id": "382845",
"author": "Spork",
"timestamp": "2011-04-19T16:40:14",
"content": "Cool idea, down sides being that it’s not exactly a fair competition. For instance, I have a friend who has designed 1000’s of sprites. Entering the contest, he can easily pull from those sprites and not hav... | 1,760,377,210.122116 | ||
https://hackaday.com/2011/04/19/apple-ii-weather-display-part-2/ | Apple II Weather Display (part 2) | Kevin Dady | [
"Misc Hacks",
"Software Hacks"
] | [
"apple II",
"retro"
] | In part one of the Apple II weather display I quickly went over how data is fetched and phrased. Now its time to do something with it in part 2. In the order of functions I do the text parts first, and though its very similar to the process that the radar image goes through, its in monochrome and a bit simpler to expla... | 1 | 1 | [
{
"comment_id": "383299",
"author": "jef",
"timestamp": "2011-04-20T09:49:06",
"content": "It would be helpful if you put the link to part 1 in the text. Thanks.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,210.028505 | ||
https://hackaday.com/2011/04/19/teaching-children-to-walk-using-video-games/ | Teaching Children To Walk Using Video Games | Mike Nathan | [
"Medical Hacks",
"Nintendo Wii Hacks"
] | [
"balance",
"games",
"rehabilitation",
"therapy",
"wii"
] | Medical conditions that prevent individuals from being able to walk are difficult to handle, even more so if the patient happens to be a child. Shriner’s hospitals treat a good number of children suffering from cerebral palsy, spina bifida, or amputations. They are always looking for creative treatment methods, so thei... | 11 | 11 | [
{
"comment_id": "382787",
"author": "Miles Hale",
"timestamp": "2011-04-19T14:19:59",
"content": "I love seeing stuff like this.I did a thesis on stroke rehabilitation with a PS3 Eye and during my reasearch I found that the are LOADS of people and groups taking advantages of games and consoles to he... | 1,760,377,210.075789 | ||
https://hackaday.com/2011/04/19/cellphone-battery-mouse-modification/ | Cellphone Battery Mouse Modification | Mike Szczys | [
"Peripherals Hacks"
] | [
"aa",
"battery",
"cellphone",
"lithium",
"mouse",
"wireless"
] | Ever wanted to increase the battery performance in your wireless mouse? [Davetech] shows you the way with this guide for
converting a mouse from AA to lithium batteries
. We were delighted by his hack-tacular approach that seems to have a nice little work-around at each step in the process. He grinds down the plastic b... | 23 | 23 | [
{
"comment_id": "382743",
"author": "uky",
"timestamp": "2011-04-19T13:10:50",
"content": "Is the battery life really that bad? My wireless mouse uses a single AA battery, I usually end up putting in used AA batteries and only need to change it maybe once a year. And I’m a pretty heavy user of the m... | 1,760,377,210.181801 | ||
https://hackaday.com/2011/04/19/build-a-spinning-pov-in-a-day/ | Build A Spinning POV In A Day | Mike Szczys | [
"LED Hacks"
] | [
"18f252",
"74ls373",
"pic",
"POV"
] | We love spinning POV displays but have yet to build one to call our very own. This project might be the one that we end up building. It’s looks good and it’s the only
persistence of vision display that comes to mind which can be built in twelve hours
.
The spinning is taken care of by a PC fan. This actually helps with... | 10 | 10 | [
{
"comment_id": "382775",
"author": "jaqen",
"timestamp": "2011-04-19T14:03:06",
"content": "nice, maybe it would look better if the leds were closer together.Won’t the fan burn out faster with the extra load? there ought to be more wind resistance than it’s built for.some day i need to build a POV ... | 1,760,377,210.275954 | ||
https://hackaday.com/2011/04/19/guitar-teaches-you-to-play-using-leds/ | Guitar Teaches You To Play Using LEDs | Mike Nathan | [
"Arduino Hacks",
"LED Hacks",
"Musical Hacks"
] | [
"arduino",
"chords",
"guitar",
"learning",
"leds"
] | [Andrew] is an electrical engineering student at UIC, and decided that he would build a MIDI guitar for his senior design project. After tinkering for awhile, things were not looking good, and the MIDI guitar idea was scrapped. With his deadline creeping up,
he came up with a new idea, the Guitarduino
. His new project... | 38 | 34 | [
{
"comment_id": "382711",
"author": "Ron",
"timestamp": "2011-04-19T11:18:46",
"content": "It’s been done.http://www.fretlight.com/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1563693",
"author": "Chad Harding",
"timestamp": "2014-06-11T06... | 1,760,377,210.354346 | ||
https://hackaday.com/2011/04/18/laser-tripwire-alarm-system-uses-mirrors-to-increase-coverage/ | Laser Tripwire Alarm System Uses Mirrors To Increase Coverage | Mike Nathan | [
"Laser Hacks",
"Security Hacks"
] | [
"alarm",
"buzzer",
"laser",
"pic",
"security",
"tripwire"
] | Instructables user [EngineeringShock] has been hard at work building a
laser trip wire security system
, complete with a combination lock. The security system works just like you see in the movies, employing an array of mirrors to bounce the laser across an opening several times in order to secure the space.
A PIC18F12... | 15 | 15 | [
{
"comment_id": "382492",
"author": "Valen",
"timestamp": "2011-04-18T23:41:22",
"content": "Its not a bug its a featurenow the baddies have to try to break in in the dark ;->(plus it’ll make the cool Hollywood red laser + smoke effects way niftier)for bonus points should have used a green laser, i ... | 1,760,377,210.412334 | ||
https://hackaday.com/2011/04/18/laser-camera-sees-around-corners/ | Laser Camera Sees Around Corners | Brian Benchoff | [
"Laser Hacks"
] | [
"atmega",
"camera",
"laser"
] | After reading over the proceedings of the 2005 SIGGRAPH, [Dan] realized he could reproduce one of the projects with $50 worth of equipment and some extreme cleverness.
[Dan]’s
dual scanning laser camera
operates by scanning a laser across an object. The light reflected from the object illuminates a flat surface, and th... | 18 | 18 | [
{
"comment_id": "382457",
"author": "ferdie",
"timestamp": "2011-04-18T22:09:06",
"content": "video link dont worki download it by click on itbut no video play or download",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "382462",
"author": "localroger",
... | 1,760,377,210.460171 | ||
https://hackaday.com/2011/04/18/nixie-tube-conference-badge/ | Nixie Tube Conference Badge | Mike Nathan | [
"cons",
"Security Hacks"
] | [
"badge",
"nixie",
"security"
] | Maker [Jeffrey Gough] was recently asked to
construct a set of badges for the TROOPERS11 IT security conference
held in Heidelberg last month. The badges were to reflect the overall theme of this year’s conference – personal progression, education, and striving to become better IT security professionals. To do this, he... | 13 | 13 | [
{
"comment_id": "382432",
"author": "Brett W. (FightCube.com)",
"timestamp": "2011-04-18T21:23:38",
"content": "I’ve been checking this out ever since Jeri Ellsworth tweeted about it last week… SUPER NICE design ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,377,210.579677 | ||
https://hackaday.com/2011/04/18/xerox-phaser-drum-unit-hacked-lives-to-print-another-day/ | Xerox Phaser Drum Unit Hacked, Lives To Print Another Day | Jeff Katz | [
"hardware"
] | [
"eprom",
"phaser",
"printer",
"repair"
] | Faced with a printer that would stop printing for no apparent reason, Finnish pirate and hacker [Janne] decided he had had enough. After doing a bit of research, he
disassembled the drum assembly and replaced some components
. The end result? Supposedly ‘broken’ printers started working again.
Apparently, Xerox uses a ... | 38 | 37 | [
{
"comment_id": "382387",
"author": "PiP",
"timestamp": "2011-04-18T20:08:09",
"content": "HP CP1700 — Had to remove a CR2032 button battery to kill the internal clock and trick printer into using “expired” ink cartridges.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,377,210.697419 | ||
https://hackaday.com/2011/04/18/open-hacker-conference-badge-project-needs-your-help/ | Open Hacker Conference Badge Project Needs Your Help! | Jeff Katz | [
"Hackerspaces",
"hardware",
"Radio Hacks"
] | [
"arduino",
"atmega",
"AVR",
"electronics",
"led",
"rfid"
] | [Aestetix] writes in to tell us that the
OpenAMD
(Attendee Meta-Data) project is working on a new revision of their hardware, to be debuted at CCC Camp this fall.
For the uninitiated, OpenAMD combines an Active RFID tracking system with social networking, and is completely open-source. You walk into the conference, put... | 18 | 18 | [
{
"comment_id": "382360",
"author": "jeditalian",
"timestamp": "2011-04-18T19:07:17",
"content": "nice how it plugs into usb. the invisible components are soldered on nicely.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "382364",
"author": "jeditalian",
... | 1,760,377,212.59077 | ||
https://hackaday.com/2011/04/18/auxiliary-battery-pack-for-field-operations/ | Auxiliary Battery Pack For Field Operations | Mike Nathan | [
"Solar Hacks",
"Tool Hacks"
] | [
"battery",
"portable",
"solar"
] | Ham operator [Ken – wa4mnt] wrote us to share a small project that he uses nearly every time he goes out in the field. His
portable sealed lead acid battery pack
(PDF) always ensures that he has a 12v power source at his fingertips, both for fun as well as in emergency situations.
The battery pack is pretty simple, and... | 11 | 11 | [
{
"comment_id": "382334",
"author": "supermunchkin",
"timestamp": "2011-04-18T18:07:11",
"content": "i’m just getting into fabbing my own stuff and this looks really useful. i would definately like to see some plans if he wants to share them. a pricesheet for the parts would really be awesome :)",
... | 1,760,377,213.011311 | ||
https://hackaday.com/2011/04/18/mechanical-twitter-feed-for-offline-reading/ | Mechanical Twitter Feed For Offline Reading | Mike Nathan | [
"Misc Hacks"
] | [
"mechanical",
"offline",
"projector",
"servos",
"twitter"
] | Twitter can be a great tool for keeping up to date with your favorite person/company/band/etc. You can find a Twitter client for just about anything that plugs in these days, but sometimes we find that we simply need a break from our computers and smart phones – even if just for a few minutes. What happens when you wan... | 11 | 11 | [
{
"comment_id": "382301",
"author": "ThunderBird",
"timestamp": "2011-04-18T16:34:56",
"content": "Maybe the speech bubble could use epaper. It would add complexity to driving it, but maybe it would be cheaper in the long run.Just my two cents…",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,377,212.343053 | ||
https://hackaday.com/2011/04/18/apple-ii-weather-display-part-1/ | Apple II Weather Display (part 1) | Kevin Dady | [
"Featured",
"how-to",
"Misc Hacks",
"Software Hacks"
] | [
"apple II",
"retro"
] | Due to computer issues I had to rob some parts from my “electronics” computer, which wasn’t bad, since I was not working on anything at the time and I felt a software project itch. I also wanted to do something with my Apple //c, which resides on my computer desk, so this ghetto brute force “solution” to use the 25 yea... | 24 | 23 | [
{
"comment_id": "382222",
"author": "aztraph",
"timestamp": "2011-04-18T11:55:30",
"content": "Wow. Lots of work in that. Great exorcise.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1007341",
"author": "Ren",
"timestamp": "2013-05-23T14:33... | 1,760,377,212.657877 | ||
https://hackaday.com/2011/04/17/radiation-sensor-shield-for-the-arduino/ | Radiation Sensor Shield For The Arduino | Brian Benchoff | [
"Arduino Hacks"
] | [
"arduino",
"geiger counter",
"radiation"
] | The [Libelium] team wanted to help people in Japan measure radiation in their surroundings following the nuclear accident in Fukushima. Because of the affordability and seeming ubiquity of the Arduino platform, they have been hard at work this last month trying to get their
Geiger counter sensor board
for an Arduino ou... | 49 | 48 | [
{
"comment_id": "382000",
"author": "Rob Ray",
"timestamp": "2011-04-17T23:08:09",
"content": "Yeah! good projects!There’s also RDTNhttp://www.rdtn.org/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "382001",
"author": "Drew",
"timestamp": "2011-04-17T... | 1,760,377,212.538702 | ||
https://hackaday.com/2011/04/17/musical-tesla-concert-is-electrifying/ | Musical Tesla Concert Is Electrifying | Mike Nathan | [
"Musical Hacks"
] | [
"concert",
"electricity",
"music",
"tesla"
] | Hackaday reader [Tyler Laseter] wrote in to tell us about an event that he and his fellow Tesla Orchestra team members are hosting next month.
The “Open Spark Project” is a concert event taking place on May 14th
, which melds together electricity and music in spectacular fashion. The event features two large Tesla coil... | 18 | 18 | [
{
"comment_id": "381964",
"author": "ferdie",
"timestamp": "2011-04-17T21:30:07",
"content": "wow thats coolbut why lady gaga i hate this songhear it to meny times",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "381998",
"author": "Tyler Laseter",
"time... | 1,760,377,213.203817 | ||
https://hackaday.com/2011/04/17/ip-based-engine-remote-enable-switch/ | IP-based Engine Remote Enable Switch | Mike Nathan | [
"Security Hacks",
"Transportation Hacks"
] | [
"anti-theft",
"car",
"enable",
"IPv6",
"remote",
"switch",
"zigbee"
] | [Mariano] owns a late 90’s Jeep Wrangler, and had no idea just how easy it was to steal. Unfortunately for him, the guy who made off with his Jeep was well aware of the car’s vulnerabilities. The problem lies in the ignition – it can be broken out with a screwdriver, after which, the car can be started with a single fi... | 28 | 26 | [
{
"comment_id": "381906",
"author": "Hackius",
"timestamp": "2011-04-17T19:37:35",
"content": "Such encrypted equipment should come as a manufacturer option.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "381925",
"author": "Gray Simpson",
"timestamp":... | 1,760,377,212.730082 | ||
https://hackaday.com/2011/04/17/hacking-gets-a-cover-story/ | Hacking Gets A Cover Story | Mike Szczys | [
"Hackerspaces"
] | [
"bicycle",
"electric car",
"geo metro",
"plow",
"sector67",
"trek"
] | We do see hacking in mainstream print media from time to time, but you know the movement must be gathering steam when a collection of hacks gets the cover story in a local paper. This week’s issue of The Isthmus – the premiere free newspaper here in Madison, WI –
features the local hackerspace and a handful of green ha... | 13 | 12 | [
{
"comment_id": "381893",
"author": "Pete Prodoehl",
"timestamp": "2011-04-17T18:58:07",
"content": "One more note on Ben’s car, I believe he won an Instructables/Craftsman contest, and $5,000 worth of tools. So he’s made a lot of money with that car! :)He’s also one of the people you’ll see down at... | 1,760,377,213.060339 | ||
https://hackaday.com/2011/04/17/chatbox-wireless-im-client/ | Chatbox Wireless IM Client | Mike Szczys | [
"Arduino Hacks",
"Microcontrollers"
] | [
"8051",
"arduino",
"chat",
"ir",
"text"
] | [Utpal Solanki] wanted to do some text chatting from the comfort of the couch. He built this
wireless chat client that he calls Chatbox
using a microcontroller, a character LCD screen, and a keypad that he built himself.
The device communicates via an Infrared emitter and receiver. It pairs up with an Arduino using an ... | 8 | 7 | [
{
"comment_id": "381862",
"author": "varg",
"timestamp": "2011-04-17T17:28:21",
"content": "Interesting… Most people have something that already does that though, it’s called a cell phone. Is this a 1990s flashback post?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,377,213.106136 | ||
https://hackaday.com/2011/04/17/dtmf-shield-aimed-at-ham-controlled-arduino/ | DTMF Shield Aimed At Ham Controlled Arduino | Mike Szczys | [
"Arduino Hacks",
"Radio Hacks"
] | [
"7 segment",
"arduino",
"dtmf",
"ham",
"mt8870",
"shield"
] | [Colin] wanted a way to reliably control an Arduino via ham radio. One of the easiest methods of automated radio control makes use of Dual-Tone Multi-Frequency signalling. To those who aren’t into amatuer radio you probably recognized DTMF as the touch-tone system for telephone communications. [Colin] built
a shield th... | 8 | 8 | [
{
"comment_id": "381839",
"author": "Rob",
"timestamp": "2011-04-17T16:44:55",
"content": "Why only ten outputs?(For pins?)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "381869",
"author": "Ash",
"timestamp": "2011-04-17T17:48:05",
"content": "0-9... | 1,760,377,213.152364 | ||
https://hackaday.com/2011/04/17/webcam-turned-security-cam-with-motion-detected-email-notifications/ | Webcam Turned Security Cam With Motion Detected Email Notifications | Mike Szczys | [
"iphone hacks",
"Security Hacks"
] | [
"CCTV",
"growl",
"ios",
"prowl",
"server",
"webcam",
"yawcam"
] | [Sean] used his old
webcam to assemble a closed circuit television feed for his home
. He already had a server up and running, so this was just a matter of connecting a camera and setting up the software. He wasn’t satisfied by only having a live feed, so he decided to add a few more features to the system.
He started ... | 27 | 27 | [
{
"comment_id": "381805",
"author": "addidis",
"timestamp": "2011-04-17T15:08:47",
"content": "Look up webcamXP , i have used it for this for a few years now. Just plug in an 8$ webcam.http://www.webcamxp.com/home.aspx",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,377,214.020598 | ||
https://hackaday.com/2011/04/17/sunday-hackaday-links-april-16-2011/ | Hackaday Links: April 16, 2011 | Mike Szczys | [
"Hackaday links"
] | [
"induction",
"iphone",
"mouse trap",
"ping pong ball",
"snow tires",
"super mario bros"
] | Induction cook top provides power too
We’re familiar with induction cook tops but we never thought to
power a microcontroller with one
. [Thanks Hadez]
Ping-Pong Uranium
We’ve been big fans of the chain reaction demonstration using ping-pong balls and mouse traps ever since we saw [Mr. Wizard] do it back in the day. If... | 8 | 8 | [
{
"comment_id": "381806",
"author": "bob",
"timestamp": "2011-04-17T15:10:22",
"content": "Somehow, I don’t think those zip ties are enough to keep you from breaking your head.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "381808",
"author": "theodore",
... | 1,760,377,214.147071 | ||
https://hackaday.com/2011/04/17/oscilloscope-piano-tuning-101/ | Oscilloscope Piano Tuning 101 | Jason Komp | [
"contests",
"Musical Hacks"
] | [
"oscilloscope",
"piano",
"scope",
"tuner"
] | [Todd Harrison] recently wrote in to tip us off on his submission to the Tektronix oscilloscope contest –
using a scope to tune a piano
. In his video he demonstrates how a Fast Fourier Transform can be used to determine the fundamental frequency of the note being played. This is a quick and easy way to determine if th... | 10 | 9 | [
{
"comment_id": "381932",
"author": "therian",
"timestamp": "2011-04-17T20:29:53",
"content": "you telling me I can see frequencies on oscilloscope, wow what a discovery",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "382043",
"author": "Jason Komp",
"t... | 1,760,377,213.30514 | ||
https://hackaday.com/2011/04/16/the-basics-of-building-a-multitouch-table/ | The Basics Of Building A Multitouch Table | Mike Szczys | [
"Multitouch Hacks"
] | [
"acrylic",
"community core vision",
"infrared",
"physics",
"webcam"
] | Here is
a bare-bones multitouch table setup
. We looked in on [Seth Sandler’s] multitouch work a few years ago when he completed
the MTmini build
. He’s scaling up the size a bit with the MTbiggie, and showing you how easy it is to put together. The demo rig seen above is just a couple of chairs, a sheet of acrylic, a ... | 15 | 14 | [
{
"comment_id": "381532",
"author": "marv",
"timestamp": "2011-04-16T19:40:40",
"content": "I build something similar. It was a rear DI for architectural presentations. Basically an translucent city-mock-up ontop of a multitouch table.http://www.gedankensuppe.de/xxiiixSorry the documentation is in g... | 1,760,377,213.25705 | ||
https://hackaday.com/2011/04/16/pidato-box-adds-vibrato-effect-to-digital-pianos/ | Pidato Box Adds Vibrato Effect To Digital Pianos | Mike Nathan | [
"Arduino Hacks",
"digital audio hacks",
"Musical Hacks"
] | [
"arduino",
"digital",
"midi",
"piano",
"vibrato"
] | [Joren] likes his digital piano, but it was missing one key component that he wanted to use: the ability to produce vibrato while playing. Vibrato can be done in several different ways on regular pianos, but it seemed as if there was not a lot of consideration given to the effect when designing digital pianos.
He enjoy... | 9 | 9 | [
{
"comment_id": "381510",
"author": "eafd",
"timestamp": "2011-04-16T19:09:08",
"content": "You can’t do vibrato on a normal piano…The closest thing is a trill, but all digital pianos can do that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "381519",
"au... | 1,760,377,213.349708 | ||
https://hackaday.com/2011/04/16/pinewood-derby-cars-have-come-a-long-way/ | Pinewood Derby Cars Have Come A Long Way | Jesse Congdon | [
"LED Hacks",
"Misc Hacks"
] | [
"cub scouts",
"el wire",
"electroluminescent",
"leds",
"pinewood derby"
] | Get your graphite and hike a wheel, [Aron Hoekstra] writes in to completely embarrass us with some excellent
pinewood derby cars
. In the pursuit of that extra something [Aron] consulted with his sons who came up with some cool ideas for cars, one Tron themed and the other basically a Wiimote with wheels! The offici... | 20 | 20 | [
{
"comment_id": "381418",
"author": "Will",
"timestamp": "2011-04-16T15:41:40",
"content": "PURE. WIN. I am SO building cool cars like this with my kids!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "381421",
"author": "splik",
"timestamp": "2011-04-1... | 1,760,377,213.649511 | ||
https://hackaday.com/2011/04/16/creating-nes-cartridge-clones-from-rom-dumps/ | Creating NES Cartridge Clones From ROM Dumps | Mike Nathan | [
"Nintendo Hacks"
] | [
"clone",
"eprom",
"games",
"imports",
"multicard",
"nintendo",
"video games"
] | Sometimes emulators just don’t cut it when you want to play a vintage game. Like it or not, some people enjoy the nostalgia of playing old games on the actual hardware for which it was designed.
[Callan] wrote in to share a method he has been using to
make some of his own NES game cartridges from ROM dumps
in order to ... | 25 | 23 | [
{
"comment_id": "381352",
"author": "mowcius",
"timestamp": "2011-04-16T13:38:41",
"content": "“While we can’t comment on the legality of these game clones”Shows what kind of a world it’s become…UV EEPROM – nice :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,377,213.959126 | ||
https://hackaday.com/2011/04/15/long-range-bluetooth-wardriving-rig/ | Long-range Bluetooth Wardriving Rig | Mike Nathan | [
"Cellphone Hacks",
"Security Hacks"
] | [
"antenna",
"bluetooth",
"usb",
"wardriving"
] | [Kyle] was digging through a box of junk he had lying around when he came across an old USB Bluetooth dongle. He stopped using it ages ago because he was unsatisfied with the limited range of Bluetooth communications.
He was going to toss it back into the box when an idea struck him – he had always been a fan of WiFi w... | 56 | 50 | [
{
"comment_id": "381033",
"author": "hpux735",
"timestamp": "2011-04-15T22:09:38",
"content": "Also, an aligator clip is about that last thing I’d think of using for Ghz-range RF connection… :) Neat how well it did work, though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,377,213.742591 | ||
https://hackaday.com/2011/04/15/drag-and-drop-programming-gets-kids-started-early/ | Drag And Drop Programming Gets Kids Started Early | Mike Nathan | [
"Arduino Hacks",
"Software Development"
] | [
"arduino",
"code",
"fun",
"gui",
"kids"
] | While programming an Arduino is a piece of cake for EEs who have been around the block a few times, there are some groups who would still find it difficult to get started with the IDE. It is touted for its ease of use, but there is a steep learning curve if say, you are 5 or 6 years old. [Julián da Silva] has been hard... | 49 | 47 | [
{
"comment_id": "381006",
"author": "CutThroughStuffGuy",
"timestamp": "2011-04-15T21:26:24",
"content": "This. Do want this. Now.Obviously the more robust, flexible code will be handwritten, just like a root shell vs a GUI but I see this as a a very good thing towards making the Arduino even easier... | 1,760,377,214.102854 | ||
https://hackaday.com/2011/04/15/aquarium-overflow-sensor-saves-your-fish-and-your-floors/ | Aquarium Overflow Sensor Saves Your Fish And Your Floors | Mike Nathan | [
"home hacks",
"Misc Hacks"
] | [
"aquarium",
"ir",
"pump",
"shutoff"
] | If you’ve ever had a water leak in your home, you know the sinking feeling that comes over you as you walk through the door to the sound of running water. [Greg] knows this feeling quite well, having returned home to a sopping wet floor and an overflowing reef aquarium on more than one occasion.
Both of the overflows h... | 31 | 30 | [
{
"comment_id": "380958",
"author": "therian",
"timestamp": "2011-04-15T20:10:22",
"content": "fish is food dogs are pets",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380961",
"author": "TheCapt",
"timestamp": "2011-04-15T20:14:00",
"content": "I... | 1,760,377,213.806082 | ||
https://hackaday.com/2011/04/15/feel-like-we-do-with-a-bass-guitar-talk-box/ | Feel Like We Do With A Bass Guitar Talk Box | Mike Nathan | [
"Musical Hacks"
] | [
"effects",
"guitar",
"hackaweek",
"talk box"
] | Hacker [Dino Segovis] wrote in to share the latest hack from his HackAWeek series, and this time around he has
constructed a talk box for his bass guitar
. Providing you are old enough, you probably remember when the talk box made its way into mainstream music, on the “Frampton Comes Alive” album.
The concept of a talk... | 9 | 9 | [
{
"comment_id": "380960",
"author": "echodelta",
"timestamp": "2011-04-15T20:12:12",
"content": "What kind of speaker was originally used on the floor? A cone speaker won’t work well. The bass, with clean sound and plenty of power in a proper tube and driver won’t work without distortion (fuzz) to m... | 1,760,377,214.193585 | ||
https://hackaday.com/2011/04/15/push-notifications-for-snail-mail-on-an-iphone/ | Push Notifications For Snail Mail On An IPhone | Brian Benchoff | [
"Arduino Hacks",
"iphone hacks"
] | [
"arduino",
"iphone"
] | [Matt] over at Make came up with a way to send
push alerts
to his iPhone whenever his mailbox is opened.
The electronics are just a switch mounted to the mailbox connected to an Arduino with an ethernet shield, but the interesting part of the build is the code. [Matt] got the Arduino WebClient to request a PHP script s... | 11 | 11 | [
{
"comment_id": "380917",
"author": "Duncan",
"timestamp": "2011-04-15T18:51:22",
"content": "You can just email yourself, or send a text to you, that way it wouldn’t matter what phone you had. If you can email, you can send a text.http://20somethingfinance.com/how-to-send-text-messages-sms-via-emai... | 1,760,377,214.243321 | ||
https://hackaday.com/2011/04/15/the-origin-of-ctrl-alt-delete/ | The Origin Of CTRL-ALT-DELETE | Mike Szczys | [
"computer hacks"
] | [
"ctrl-alt-delete",
"ibm",
"pc",
"reboot"
] | You may not have ever thought about it, but the far-too-often-used keyboard combination of Control + Alt + Delete had to have been brought into existence by some random coder at some point in technological history. But wait, it wasn’t just a random coder. The keystroke combo is attributed to [David Bradley]. He was one... | 32 | 32 | [
{
"comment_id": "380860",
"author": "caleb",
"timestamp": "2011-04-15T17:10:12",
"content": "actually i had wondered. intresting tho",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380862",
"author": "Robert Ely",
"timestamp": "2011-04-15T17:13:10",
... | 1,760,377,214.366866 | ||
https://hackaday.com/2011/04/15/fiberoptic-mouse-prevents-stray-magnetic-fields/ | Fiberoptic Mouse Prevents Stray Magnetic Fields | Brian Benchoff | [
"Peripherals Hacks"
] | [
"electronics",
"fiberoptic",
"mouse"
] | [Ben] needed an input device that would operate where electrical signals and magnetic fields wouldn’t be tolerated, so he ended up
running fiberoptics
instead of electricity to a mouse.
[Ben] ran some glass fiber from the mouse to quadrature encoders to get the x and y velocity. Mouse clicks are read by modifying the e... | 20 | 17 | [
{
"comment_id": "380853",
"author": "emilio",
"timestamp": "2011-04-15T16:55:29",
"content": "wow, that’s stunning – brilliant! that looks like a totally patentable idea, as well.so, it’s a ball mouse? what about using an optical mouse and some aligned fibers? it would cut down ok the number of f... | 1,760,377,214.300998 | ||
https://hackaday.com/2011/04/15/squishy-circuits-for-tiny-tinkerers/ | Squishy Circuits For Tiny Tinkerers | Mike Nathan | [
"Misc Hacks"
] | [
"circuits",
"fun",
"kids",
"play dough",
"putty"
] | Getting kids interested in electronics at a young age is a great idea. Feeding their developing minds via creative projects and problem solving is not only rewarding for the child, it helps prepare the next generation of engineers and scientists. University of St. Thomas professor [AnnMarie Thomas] along with one of he... | 24 | 24 | [
{
"comment_id": "380814",
"author": "Random",
"timestamp": "2011-04-15T15:21:34",
"content": "Ok, that’s fantastic.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380819",
"author": "rusty",
"timestamp": "2011-04-15T15:28:45",
"content": "I would h... | 1,760,377,214.429395 | ||
https://hackaday.com/2011/04/15/variable-super-capacitor-battery-provides-power-on-the-go/ | Variable Super Capacitor Battery Provides Power On The Go | Mike Nathan | [
"Misc Hacks"
] | [
"battery",
"power supply",
"super capacitor"
] | Instructable user [EngineeringShock] got sick of buying batteries for his devices all the time and has instead opted to build himself
a super capacitor bank
that can be used to power common household items.
His “forever” rechargeable capacitor bank is made of two large super capacitors rated at 400 farads apiece. It is... | 27 | 27 | [
{
"comment_id": "380786",
"author": "Brad",
"timestamp": "2011-04-15T14:32:59",
"content": "This is good stuff. I may have to incorporate this in to a project. Thanks for posting it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380789",
"author": "Arra... | 1,760,377,214.521235 | ||
https://hackaday.com/2011/04/15/hsnet-node-communications-for-feature-limited-microcontrollers/ | HsNet: Node Communications For Feature-limited Microcontrollers | Mike Szczys | [
"Microcontrollers"
] | [
"12f683",
"communications",
"node",
"packet",
"pic",
"rs485"
] | [Diego Spinola] wrote in to tell us about
a node communication system he’s been working on called HsNet
. The aim is to build a system of nodes that can be made up of small and inexpensive microcontrollers. The problem is that the least expensive controllers often don’t have a hardware UART. HsNet implements the RS485 ... | 11 | 11 | [
{
"comment_id": "380859",
"author": "Grazz256",
"timestamp": "2011-04-15T17:08:28",
"content": "Out of curiosity, why define your own communications protocol rather then going with an industry standard such as modbus?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,377,214.751283 | ||
https://hackaday.com/2011/04/15/3-phase-jacobs-ladder/ | 3-phase Jacob’s Ladder | Mike Szczys | [
"Misc Hacks"
] | [
"jacob's ladder",
"microwave oven",
"three-phase",
"transformer"
] | Two sparks are better than one, a sentiment that was never more blindingly illustrated than with
this three-conductor Jacob’s Ladder
. The build centers around
three-phase power
, which uses a trio of alternating current sources sharing the same frequency, but offset by 1/3 from one another. If we’re reading the schema... | 18 | 18 | [
{
"comment_id": "380705",
"author": "jim",
"timestamp": "2011-04-15T11:23:02",
"content": "This is seriously dangerous to the unskilled hacker.More.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380713",
"author": "Oli",
"timestamp": "2011-04-15T11:29... | 1,760,377,215.134242 | ||
https://hackaday.com/2011/04/15/tactical-wifi-cantenna-needs-picatinny-rails/ | Tactical Wifi Cantenna Needs Picatinny Rails | Jesse Congdon | [
"Wireless Hacks"
] | [
"antennas",
"cantenna",
"wifi"
] | [Wes] built a cool looking
Tactical Wifi Cantenna
with some parts from a broken airsoft pistol. The antenna is a cookie can type with an added cone to increase performance, as seen in
this tutorial
. Once the antenna was built it was time to add some kind of handle, [Wes] just so happened to have such a thing on hand. ... | 17 | 16 | [
{
"comment_id": "380711",
"author": "metro",
"timestamp": "2011-04-15T11:25:49",
"content": "“epoxy puddying” yuk. Presume you mean “puttying”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380744",
"author": "Ian Tester",
"timestamp": "2011-04-15T12:4... | 1,760,377,214.811152 | ||
https://hackaday.com/2011/04/14/full-featured-battery-tester-puts-them-through-their-paces/ | Full-featured Battery Tester Puts Them Through Their Paces | Mike Szczys | [
"Tool Hacks"
] | [
"16f88",
"battery",
"ds1820",
"lithium",
"pic",
"tester"
] | When working on battery-dependent projects you want accurate performance information where a datasheet may not be available. [E. Lelic] set out to build a device that would meter internal battery resistance but ended up with
a bench tool that can do much more
than that.
A PIC 16F88 microcontroller takes center stage on... | 10 | 9 | [
{
"comment_id": "380409",
"author": "Andrew",
"timestamp": "2011-04-14T23:56:44",
"content": "Also check out:http://www.stefanv.com/electronics/battman2.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380410",
"author": "Drone",
"timestamp": "2011-... | 1,760,377,214.85795 | ||
https://hackaday.com/2011/04/14/quick-dirty-usb-phone-charger/ | Quick & Dirty USB Phone Charger | Mike Nathan | [
"Cellphone Hacks",
"Misc Hacks"
] | [
"battery charger",
"cell phone",
"evo 4g",
"MintyBoost",
"usb"
] | Hackaday forum member [Dan Fruzzetti] wrote in to share a
simple, yet useful hack he built just the other day
. He and his wife both have Evo 4G smartphones and they were pretty disappointed in the lack of portable charging solutions available.
Instead of buying something and modifying it to his needs, [Dan] decided to... | 33 | 33 | [
{
"comment_id": "380384",
"author": "APE",
"timestamp": "2011-04-14T22:47:44",
"content": "Cool idea but I would imagine the non-environmental friendly aspect of this makes it less than marketable (hence the lack of quality solutions). Could you do this with a bank of capacitors and a solar panel?",... | 1,760,377,214.926609 | ||
https://hackaday.com/2011/04/14/reversible-relay-based-motor-controller/ | Reversible Relay-based Motor Controller | Mike Szczys | [
"Misc Hacks"
] | [
"h-bridge",
"motor controller",
"relay"
] | [Nothinglabs] built this
motor controller as an alternative to using an H-bridge
. They call it the RAT controller which stands for “Relay and Transistors”. You can see above that two Darlington transistors along with their base transistors allow logic signals to switch the relay on and off, driving the motor in one di... | 16 | 16 | [
{
"comment_id": "380355",
"author": "spag",
"timestamp": "2011-04-14T21:36:12",
"content": "Simple and effective, I like it. One change I’d make is to add a diode reverse-biased across the coil, to keep the transistor from being fried when the coil is switched off.",
"parent_id": null,
"dept... | 1,760,377,215.187101 | ||
https://hackaday.com/2011/04/14/save-boatloads-of-cash-by-building-your-own-laser-cutter/ | Save Boatloads Of Cash By Building Your Own Laser Cutter | Mike Nathan | [
"cnc hacks",
"Laser Hacks"
] | [
"cnc",
"cutter",
"diy",
"laser",
"open source"
] | Have a bunch of time on your hands, and about $2,500 sitting around? Why not settle in and
build yourself a laser cutter
?
That’s exactly what Buildlog forum member [r691175002] did, and he told us about it in our comments just a few moments ago. Laser cutters can be pretty cost prohibitive depending on what you are th... | 26 | 24 | [
{
"comment_id": "380301",
"author": "DocDawning",
"timestamp": "2011-04-14T20:06:36",
"content": "Very rad. Looks really really nice. Great looking cable management too. I hope to follow in these footsteps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380303... | 1,760,377,215.390917 | ||
https://hackaday.com/2011/04/14/oshw-logo-announced/ | OSHW Logo Announced | Jason Komp | [
"News"
] | [
"open source hardware",
"oshw"
] | The results are in and the new Open Hardware logo has been selected! After tallying nearly 9,000 votes it has been decided that “Golden Orb” by Macklin Chaffe will now represent the
OSHW definition v1.0
.
Rest assured that despite
earlier controversy
regarding a few users that had submitted a very large number of dupli... | 31 | 31 | [
{
"comment_id": "380238",
"author": "wardy",
"timestamp": "2011-04-14T18:14:05",
"content": "That’s a keyhole right? Personally I associate keyholes with locks – and locks with CLOSED doors.Closed != open.Perhaps I’m over-analysing it.",
"parent_id": null,
"depth": 1,
"replies": []
},... | 1,760,377,215.077818 | ||
https://hackaday.com/2011/04/14/fpga-based-turbografx-16-clone/ | FPGA-based Turbografx 16 Clone | Mike Nathan | [
"classic hacks"
] | [
"Altera DE1",
"clone",
"fpga",
"PC engine",
"turbografx 16"
] | [Gregory] wrote in to share his most recent project,
an FPGA clone of the PC Engine/Turbografx 16 console
. You may remember him from last year, when we talked about
his SEGA Genesis FPGA clone
. He just couldn’t leave well enough alone, and decided to resurrect yet another 16-bit machine in FPGA form.
He has been work... | 4 | 4 | [
{
"comment_id": "380327",
"author": "Alex",
"timestamp": "2011-04-14T20:39:04",
"content": "Thats a weird coincidence, I have been forking a PCEngine / TurboGrafx Emulator for the Haiku Operating system for the last week or so…http://dl.dropbox.com/u/5560191/HuKU3.png",
"parent_id": null,
"d... | 1,760,377,215.231147 | ||
https://hackaday.com/2011/04/14/buying-a-laser-cutter-from-china/ | Buying A Laser Cutter From China | Jesse Congdon | [
"Tool Hacks"
] | [
"cncmachine",
"engraver",
"laser cutter"
] | We here at Hackaday have been pining over these cheap laser cutters on the e-bay. They are, however, just outside of the price range to make them worth ponying up for. [Stephen Hobley] however seems to have taken one for the team in his
three
part
series
, and is allowing us to live vicariously through is experiences.... | 58 | 41 | [
{
"comment_id": "380167",
"author": "Jan",
"timestamp": "2011-04-14T16:01:29",
"content": "the question is: buy a crappy cutter and make it useful or start from scratch and build your own. Judging from the latest DIY cutter projects the price is almost the same (1000-2000US$ depending on strength of... | 1,760,377,215.323903 | ||
https://hackaday.com/2011/04/14/sony-ericsson-android-bootloader-unlockin/ | Sony Ericsson Promotes Android Bootloader Unlocking | Noah Dunker | [
"Android Hacks",
"News"
] | [
"android",
"googleandroid",
"jailbreak",
"mobile phone",
"mobilephone",
"root",
"Sony Ericsson",
"unlock"
] | Sony Ericsson recently added a new section to their developer world portal called
Unlocking the boot loader
. They provide all the information and tools needed to root some of their newer Android phones.
Of course, this information comes from Sony Ericsson dripping with warnings, disclaimers and warranty-voiding rhetor... | 42 | 42 | [
{
"comment_id": "380112",
"author": "Life2Death",
"timestamp": "2011-04-14T14:05:01",
"content": "I was under the impression running software on hardware would not void hardware warranties. Though I can acknowledge that they shouldn’t be responsible for supporting said 3rd party software.",
"par... | 1,760,377,215.468186 | ||
https://hackaday.com/2011/04/14/real-time-gps-tracker/ | Real-time GPS Tracker With Mobile Phone Uplink | Noah Dunker | [
"Arduino Hacks",
"Cellphone Hacks",
"google hacks",
"gps hacks",
"News"
] | [
"arduino",
"googlemaps",
"gps",
"gsm",
"mapping"
] | [jayesh] wasn’t actually trying to solve any clever problems when we built his
homebrew GPS tracker
. He just had the hacker mentality and wanted to build something fun and useful while geeking out with electronics and software.
On the hardware side, he started with an Arduino, then added a GPS module for location dete... | 12 | 11 | [
{
"comment_id": "380102",
"author": "elektrophreak",
"timestamp": "2011-04-14T13:26:15",
"content": "nice work! i am glad it is open source…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380108",
"author": "fartface",
"timestamp": "2011-04-14T13:58:24... | 1,760,377,215.675063 | ||
https://hackaday.com/2011/04/14/analog-scope-stands-in-to-for-laser-light-show/ | Analog Scope Stands In To For Laser Light Show | Mike Szczys | [
"contests",
"Laser Hacks"
] | [
"laser projector",
"oscilloscope"
] | [Joey] likes to dabble in laser projection, building his own hardware and writing the software that drives it. One way that
he tests his setup is by replacing the laser assembly with an analog oscilloscope
. This allows him to ensure that the driver board is receiving data from the software, and translating it into the... | 6 | 6 | [
{
"comment_id": "380081",
"author": "spiderwebby",
"timestamp": "2011-04-14T12:17:01",
"content": "thou shalt not use a timebase in XY mode!good thinking though :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "380084",
"author": "ejonesss",
"timestamp... | 1,760,377,215.624714 | ||
https://hackaday.com/2011/04/14/doorbell-hack-makes-coworkers-less-annoying/ | Doorbell Hack Makes Coworkers Less Annoying | Mike Nathan | [
"digital audio hacks",
"Misc Hacks"
] | [
"attiny",
"audio",
"deadbug",
"doorbell",
"prank"
] | Hackaday reader [Sprite_tm] works in an office building that used to house several businesses, and as a remnant of the previous configuration, a doorbell sits in the hallway just outside his office. Several of his coworkers get a kick out of ringing the doorbell each time they enter the office. While not annoyed at the... | 6 | 6 | [
{
"comment_id": "380109",
"author": "DeadlyFoez",
"timestamp": "2011-04-14T14:02:57",
"content": "This is a perfect basis to use for a hack that I plan on working on soon. My buddy has an electric scooter, and for fun he wants to make it so it makes the Jetson’s vehicle sound while he is driving aro... | 1,760,377,215.723968 | ||
https://hackaday.com/2011/04/13/knex-whiteboard-plotter/ | K’nex Whiteboard Plotter | Mike Nathan | [
"Arduino Hacks",
"Misc Hacks"
] | [
"arduino",
"knex",
"plotter",
"printer",
"steppers"
] | [Jerry] has been wanting to put together a whiteboard plotter for some time and just
recently got around to building one
.
The plotter draws pretty much about anything he can imagine on a white board measuring just shy of 2′ x 3′. The design first started off with a Basic Stamp board at the helm, which he sourced from ... | 8 | 7 | [
{
"comment_id": "379763",
"author": "Mich",
"timestamp": "2011-04-13T23:18:43",
"content": "No wonder it runs much faster using an arduino, seeing as the PIC on the Basic stamp needs to parse the Basic code every time it’s run. It’s probably the most stupidly designed microcontroller setup around, R... | 1,760,377,215.824705 | ||
https://hackaday.com/2011/04/13/hackaday-links-april-13-2011/ | Hackaday Links: April 13, 2011 | Mike Nathan | [
"Hackaday links"
] | [
"desoldering",
"easy button",
"LCD repair",
"LED lighting",
"links",
"parts",
"recapping",
"scrounging"
] | Oven parts scrounging
In response to last week’s post about parts scrounging with a heat gun, Hackaday forum member [BiOzZ] decided to
try doing the same thing in his oven
. It seems to work quite well, but we’re wondering if there should be any concerns over the lead content of the solder. Anyone care to chime in?
Spi... | 34 | 34 | [
{
"comment_id": "379726",
"author": "CutThroughStuffGuy",
"timestamp": "2011-04-13T22:10:49",
"content": "Lead is toxic. Period. Lead solder is toxic. Period. You can use equipment to generally protect against said toxicity. People work generally safely in lead mines and lead refineries. But you nee... | 1,760,377,215.950001 | ||
https://hackaday.com/2011/04/13/haptic-gps-sneakers-for-the-visually-impaired/ | Haptic GPS Sneakers For The Visually Impaired | Mike Nathan | [
"Android Hacks",
"Arduino Hacks",
"gps hacks"
] | [
"android",
"arduino",
"assistive technology",
"haptic",
"navigation",
"shoe",
"vision impaired"
] | The world can be a pretty difficult place to navigate when you lack the ability to see it. There are many visually impaired people across the globe, with some figures claiming up to 40 million individuals affected. While walking canes and seeing-eye dogs can be a huge help, [Anirudh] of Multimodal Interactions Group, H... | 9 | 9 | [
{
"comment_id": "379722",
"author": "Rick",
"timestamp": "2011-04-13T22:05:34",
"content": "It looks similar to the feelspace belt that was around a few years ago (http://feelspace.cogsci.uni-osnabrueck.de/en/technology_01.html).Most GPS devices have text-to-speech built in, but combining it with a ... | 1,760,377,215.877368 | ||
https://hackaday.com/2011/04/13/using-kinect-to-make-human-marionettes/ | Using Kinect To Make Human Marionettes | Mike Nathan | [
"Kinect hacks"
] | [
"Kinect",
"neurostimulation"
] | [Choi Ka Fai] has
been experimenting with neurostimulation for some time now
. His body of work has focused on exploring the possibility of using neurostim devices to replay pre-recorded muscle movements.
Until now, he has been
recording his muscle movements as acoustic waveforms
for real-time playback in the bodies of... | 16 | 16 | [
{
"comment_id": "379667",
"author": "Bob",
"timestamp": "2011-04-13T20:19:14",
"content": "Umm, if he truly wants to minimize interference from his non-disabled “partner”, he should have him blindfolded. The fact that the partner can see what motion is desired totally invalidates the results. I coul... | 1,760,377,216.000803 | ||
https://hackaday.com/2011/04/13/building-an-electric-kiln/ | Building An Electric Kiln | Mike Szczys | [
"Misc Hacks"
] | [
"blacksmith",
"fire brick",
"forge",
"kanthal",
"kiln"
] | [EmcySquare] is delving into some hobby-blacksmithing by making his own knives. He needs a furnace to heat the metal, and after trying out a few different forge designs he decided to attempt
an electric kiln build
. The final project seen above is a box within a box. The outer shell is reclaimed using old computer case... | 16 | 12 | [
{
"comment_id": "379640",
"author": "dax",
"timestamp": "2011-04-13T19:33:16",
"content": "..just like a project I’m working on — it will be a glass fusing kiln, which also requires similar heat treatment to anneal glass. I plan on using Nichrome, Kanthal, or Stainless MIG wire as an element, and TR... | 1,760,377,216.222606 | ||
https://hackaday.com/2011/04/13/cnc-mill-built-from-junk-and-hardware-store-parts/ | CNC Mill Built From Junk And Hardware Store Parts | Mike Szczys | [
"cnc hacks"
] | [
"arduino",
"dremel",
"mill",
"precision rod",
"scanner"
] | [Csshop] is setting a new bar for
building an inexpensive CNC mill
. Not only did he complete his build at a very low cost, but it seems to work quite well too. Check out the video after the break to see the device cut out thin wood parts for a toy plane.
The majority of the build uses scrap wood for the body of the mi... | 19 | 19 | [
{
"comment_id": "379607",
"author": "Josh",
"timestamp": "2011-04-13T18:04:35",
"content": "This is going to help me out a lot for mine when i build it. I plan to use a dremel as the tool though, i think it might be a better idea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,377,216.058429 | ||
https://hackaday.com/2011/04/13/rsa-securid-two-factor-authentication-comprimised/ | RSA SecurID Two-factor Authentication Comprimised | Mike Szczys | [
"Security Hacks"
] | [
"emc",
"rsa",
"SecurID",
"two-factor authentication"
] | SecurID is a two-factor hardware-based authentication system. It requires you to enter the number displayed on a hardware fob like the one seen above, along with the rest of your login information. It’s regarded to be a very secure method of protecting information when users are logging into a company’s secure system r... | 34 | 34 | [
{
"comment_id": "379547",
"author": "Daniel",
"timestamp": "2011-04-13T15:42:43",
"content": "According to the Security Now podcast, the only secret in the system is the mapping between serial numbers and the secret key inside the device that determines the sequence of numbers on the screen.The atta... | 1,760,377,216.298065 | ||
https://hackaday.com/2011/04/13/robotics-merit-badge-just-announced/ | Robotics Merit Badge Just Announced | Mike Szczys | [
"Robots Hacks"
] | [
"boy scouts",
"bsa",
"merit badge"
] | So you know how to build and program robots; what do you want, a badge? Now you can get just that, assuming you’re 11-18 years old and know all of the secret (or not so secret) handshakes, oaths, and pledges. The Boy Scouts of America
recently announced
the brand-new
robotics merit badge
. Now kids who cut their teeth ... | 19 | 19 | [
{
"comment_id": "379524",
"author": "jme",
"timestamp": "2011-04-13T14:41:24",
"content": "i think the badge should be the new open source hardware logo",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "379542",
"author": "Dakota",
"timestamp": "2011-04-1... | 1,760,377,216.456303 | ||
https://hackaday.com/2011/04/13/variable-capacitancereistance-switch-box-has-you-covered/ | Variable Capacitance/reistance Switch Box Has You Covered | Mike Nathan | [
"Tool Hacks"
] | [
"benchtop",
"capacitance",
"resistance",
"tool",
"variable"
] | While working on electronics projects, it’s often necessary to test out different capacitance or resistance values as things are moving along. Depending on what you are testing, this can be a tedious process even when using a breadboard. Instructables user [mattthegamer463] recently built
a very useful device that woul... | 11 | 11 | [
{
"comment_id": "379469",
"author": "ibedazzled",
"timestamp": "2011-04-13T12:15:42",
"content": "this is thee type of thing i need but dont think i would buy the parts for and make… dont know why exactly. I would probably buy a kit for something like this though…",
"parent_id": null,
"depth... | 1,760,377,216.344533 | ||
https://hackaday.com/2011/04/13/super-refined-kinect-physics-demo/ | Super Refined Kinect Physics Demo | Mike Nathan | [
"Kinect hacks",
"Video Hacks"
] | [
"Kinect",
"physics",
"smoothing",
"video"
] | Since the Kinect has become so popular among hackers, [Brad Simpson] over at IDEO Labs finally purchased one for their office and immediately got to tinkering. In about 2-3 hours time,
he put together a pretty cool physics demo
showing off some of the Kinect’s abilities.
Rather than using rough skeleton measurements li... | 15 | 15 | [
{
"comment_id": "379457",
"author": "Grovenstien",
"timestamp": "2011-04-13T11:24:54",
"content": "Now for some haptic feedback! Really smooth motion, the refresh rate seems quicker than other demos.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "379459",
... | 1,760,377,216.399519 |
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