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https://hackaday.com/2011/03/21/simple-robot-knows-its-bounds/ | Simple Robot Knows Its Bounds | Mike Nathan | [
"Microcontrollers",
"Robots Hacks"
] | [
"ATiny",
"robot",
"sensing"
] | The [Dallas Personal Robotics Group] recently put together a set of tutorials for their members, including the build process of a table-top robot, they call
the Tiny Wanderer
. The bot can be constructed pretty easily, and is meant as an introduction to robot building.
The small servo-driven bot uses simple edge sensor... | 8 | 8 | [
{
"comment_id": "364094",
"author": "jimbles",
"timestamp": "2011-03-21T15:37:44",
"content": "OK, this is taking a sledgehammer to a walnut!Why would you use a microcontroller for something you can do with an opamp!?!?!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,377,239.914223 | ||
https://hackaday.com/2011/03/21/people-tracking-orb-demo-makes-us-want-to-build-our-own/ | People-tracking Orb Demo Makes Us Want To Build Our Own | Mike Nathan | [
"Kinect hacks"
] | [
"Kinect",
"orb",
"tracking"
] | Earlier this week, we came across a video of an orb-based eyeball that would follow you throughout the room, based on data gathered from a Kinect sensor. Try as we might, we couldn’t find much more than the video, but it seems that the guys behind the project
have spoken up in a recent blog post
.
[Jon George] of The D... | 17 | 17 | [
{
"comment_id": "364072",
"author": "Mike Bradley",
"timestamp": "2011-03-21T15:08:40",
"content": "Since the kinect features a depth camera, what about making the iris of the eye open based on how close you get, that would give more of a freaky feel :)",
"parent_id": null,
"depth": 1,
"... | 1,760,377,240.157833 | ||
https://hackaday.com/2011/03/21/converting-a-scanner-into-a-touchscreen/ | Converting A Scanner Into A Touchscreen | Mike Szczys | [
"Multitouch Hacks"
] | [
"CCD",
"led",
"scanner",
"touchscreen"
] | [Sprite_TM] was cleaning up his hacking workbench when he came across an all-in-one device that had seen better days. After a bit of consideration he decided to tear down the scanner portion of the device and ended up
turning it into a multi-touch display
.
The scanner relies on a long PCB with a line CCD sensor. This ... | 17 | 17 | [
{
"comment_id": "364038",
"author": "Jay",
"timestamp": "2011-03-21T14:23:55",
"content": "Not bad at all! :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "364058",
"author": "r_d",
"timestamp": "2011-03-21T14:35:25",
"content": "I have one of th... | 1,760,377,240.331539 | ||
https://hackaday.com/2011/03/21/dont-buy-an-amp-build-one-to-suit/ | Don’t Buy An Amp, Build One To Suit | Mike Szczys | [
"home entertainment hacks"
] | [
"amp",
"amplifier",
"lm4780",
"speakers"
] | In need of an amplifier for his home entertainment system [Afroman] decided to
build an amp
rather than buying one. If nothing else, doing it himself allowed for a form factor that can’t just go out and buy.
He designed the project on two separate boards, one for the power supply and the other for the amplifier circuit... | 22 | 21 | [
{
"comment_id": "363997",
"author": "Gaspard de Coligny",
"timestamp": "2011-03-21T13:27:41",
"content": "No offense… but if there is no BOM or schematics, it should go in the “and we don’t give a frack” category…That’s just some unverified showing off… great, but he can keep it TOTALLY for himself…... | 1,760,377,240.107078 | ||
https://hackaday.com/2011/03/21/tricycle-robot-using-omni-wheels/ | Tricycle Robot Using Omni-wheels | Mike Szczys | [
"Robots Hacks"
] | [
"mechanum",
"omni-wheel",
"RF",
"servo",
"Teensy"
] | [Markus Gritsch] built this
six-wheeled robot using omni-wheels
. Two wheels are used on each axis in order to ensure perpendicular rotation is possible no matter where the axis rotation stops. The wheels have also been improved by dipping the elliptical components to give them a rubbery coating.
The robot gets its com... | 10 | 10 | [
{
"comment_id": "363978",
"author": "Brian.Holiday",
"timestamp": "2011-03-21T12:38:19",
"content": "I would lay odds he didn’t ‘dip’ the wheels (He doesn’t say how it is applied). I have tried dipping and it doesn’t give acceptable results for rubberizing wheels. Plastidip has a spray on version of... | 1,760,377,240.001883 | ||
https://hackaday.com/2011/03/21/kinect-mouse-and-nerf-gun-combine-for-house-of-the-dead/ | Kinect, Mouse, And Nerf Gun Combine For House Of The Dead | Mike Szczys | [
"Peripherals Hacks"
] | [
"controller",
"faast",
"house of the dead",
"Kinect",
"mouse",
"nerf"
] | [Tony Blanch] built his own
motion controller for playing House of the Dead
. It should work with any shooter that follows the ‘rail’ type of game play (your character is not free walking, but moves along a set path beyond your control).
Two parts come together to make this happen. The first is the Nerf dart gun that y... | 5 | 5 | [
{
"comment_id": "363930",
"author": "pod",
"timestamp": "2011-03-21T11:13:32",
"content": "nice idea, too bad for the nerf gun squeaky trigger!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "364190",
"author": "Kaz",
"timestamp": "2011-03-21T17:13:18",... | 1,760,377,239.954152 | ||
https://hackaday.com/2011/03/20/hackaday-links-march-20-2011/ | Hackaday Links: March 20, 2011 | Mike Nathan | [
"Hackaday links"
] | [
"clock",
"gaming",
"projectors",
"science",
"water"
] | SNES Arcade Cabinet
[Daniel] let us know that he finished up a
SNES arcade cabinet
he has been
working on for awhile
. It looks so good, he says that his wife has even agreed to let him keep it in the house!
DIY Overhead projector beamer
[Liquider] sent us some information about a
DIY beamer he built
using an overhead ... | 21 | 21 | [
{
"comment_id": "363543",
"author": "roy",
"timestamp": "2011-03-20T20:23:20",
"content": "first lol but i liked the links",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "363547",
"author": "pod",
"timestamp": "2011-03-20T20:29:51",
"content": "miss... | 1,760,377,240.277711 | ||
https://hackaday.com/2011/03/20/gps-enabled-bag-allows-for-carefree-city-roaming/ | GPS-enabled Bag Allows For Carefree City Roaming | Mike Nathan | [
"Arduino Hacks",
"gps hacks"
] | [
"arduino",
"gps",
"navigation"
] | [Josh] was looking for a way to enjoy exploring the city of Chicago safely, and
hacked together a messenger bag
navigation system to ensure he always knew where he was going.
While riding, he wanted to embrace the
idea of Dérive
, but he felt that he was being too overly conscious of time as well as his location, which... | 6 | 6 | [
{
"comment_id": "363636",
"author": "HaDAk",
"timestamp": "2011-03-21T00:21:53",
"content": "I love this concept. I would love to see more projects that enhance your every day life, without getting in the way, just like this. Bravo.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,377,240.045206 | ||
https://hackaday.com/2011/03/20/third-times-a-charm-512-led-cube-kicks-it-up-a-notch-with-rgb-leds/ | Third Time’s A Charm – 512 LED Cube Kicks It Up A Notch With RGB LEDs | Mike Nathan | [
"LED Hacks",
"Microcontrollers"
] | [
"leds",
"pic32",
"pwm"
] | In the comments section of our 512-LED cube post from the other day, several people suggested that to take the project up a notch, building a similar cube using RGB LEDS was the next logical step. It seems that Hack-a-Day reader [vespine]
was way ahead of the curve
, as he sent us the build details of his 8x8x8 RGB cub... | 25 | 25 | [
{
"comment_id": "363479",
"author": "bogdan",
"timestamp": "2011-03-20T18:09:09",
"content": "Splendid!I’ve always wanted to see something like this done!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "363480",
"author": "Dino",
"timestamp": "2011-03-2... | 1,760,377,240.394385 | ||
https://hackaday.com/2011/03/20/gameboy-rom-backups-using-an-arduino/ | Gameboy ROM Backups Using An Arduino | Mike Nathan | [
"Arduino Hacks",
"Nintendo Game Boy Hacks"
] | [
"arduino",
"gameboy",
"rom"
] | [Alex] collects retro gaming consoles. One day while playing a SNES title, his save games got wiped when he powered off the system. It turned out that the battery inside the game cartridge got disconnected somehow, and it got him thinking. He decided he wanted to find a way to back up his save games from the cartridges... | 23 | 23 | [
{
"comment_id": "363456",
"author": "CutThroughStuffGuy",
"timestamp": "2011-03-20T17:07:24",
"content": "Two comments.First of all – this is an awesome hack.Secondly – ROM emulators work much better and support far more features, are less prone to hardware failures (such as a dead or disconnected b... | 1,760,377,240.218792 | ||
https://hackaday.com/2011/03/20/rfid-based-htpc-controller-gets-a-wireless-refresh/ | RFID-based HTPC Controller Gets A Wireless Refresh | Mike Nathan | [
"digital audio hacks",
"home entertainment hacks",
"Wireless Hacks"
] | [
"followup",
"music",
"rfid",
"wireless"
] | [roteno] recently wrote in to let us know that he has completed work on the
RFiDJ Refresh
, a follow up to his 2009 project,
the RFiDJ
.
The concept is pretty simple – he has a set of RFID enabled tiles, which contain references to particular online streaming audio stations. He uses these tiles to tune into audio feeds... | 4 | 4 | [
{
"comment_id": "363448",
"author": "HaDAk",
"timestamp": "2011-03-20T16:42:40",
"content": "I really think I might have to build one of these now. It would be a perfect addition to my HTPC! Think of it – hundreds of tiles, for any movie you could ever possibly want to watch. Some people have DVD o... | 1,760,377,240.586917 | ||
https://hackaday.com/2011/03/20/smartphone-operated-garage-door-is-beginning-of-arduino-home-automation-system/ | Smartphone Operated Garage Door Is Beginning Of Arduino Home Automation System | Mike Szczys | [
"Arduino Hacks",
"home hacks"
] | [
"garage door",
"php",
"python",
"relay",
"smart phone"
] | [Tim] is showing off the first step in his home automation projected with
this smart-phone garage door interface
. In the video after the break you can see him open and close the garage door with the touch of a button. There’s also an open or closed indicator that he can check when away from home.
An Arduino takes care... | 15 | 13 | [
{
"comment_id": "363485",
"author": "Tom Hargrave",
"timestamp": "2011-03-20T18:20:46",
"content": "Great project.But it would be even a better project if it were hosted on its own stand alone web server. This way he would not need to tie up a PC or depend on a running PC to operate the garage door.... | 1,760,377,240.742991 | ||
https://hackaday.com/2011/03/20/eeepc-touchscreen-retrofit/ | EeePC Touchscreen Retrofit | Mike Szczys | [
"laptops hacks",
"Multitouch Hacks"
] | [
"EeePc",
"touchscreen"
] | Adding touch screen capabilities to your computer is really not very expensive, but it’s a huge amount of work to get everything looking the way that it should. [Deadbird]
wrote up a step-by-step guide that will help you install touch screen hardware
and
get your netbook put back together just like new.
The hardware co... | 24 | 23 | [
{
"comment_id": "363395",
"author": "Pix3l the B1t",
"timestamp": "2011-03-20T14:16:46",
"content": "Cool, my parents love the idea of a touch-screen pc so I wonder if I could make one like this for them :)Also, if this could be hooked up to an uC it could make for some wicked projects!",
"paren... | 1,760,377,240.80848 | ||
https://hackaday.com/2011/03/19/test-your-etching-chops-with-pcb-map-making/ | Test Your Etching Chops With PCB Map Making | Mike Nathan | [
"Misc Hacks"
] | [
"etching",
"pcb",
"toner transfer"
] | [Martin] had been using standard perf board for most of his electronics projects, but as he was starting to utilize more surface mount ICs, he quickly realized that it was time to start making his own PCBs. Having never etched any PCBs using the toner transfer method, he figured it was as good a time as any to
give it ... | 17 | 16 | [
{
"comment_id": "362949",
"author": "Avaviel",
"timestamp": "2011-03-19T19:34:07",
"content": "Hm. I think this could be used for printmaking…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "362968",
"author": "Koberg",
"timestamp": "2011-03-19T20:07:04... | 1,760,377,240.689992 | ||
https://hackaday.com/2011/03/19/building-a-home-automation-mesh-network/ | Building A Home Automation Mesh Network | Mike Szczys | [
"home hacks",
"Microcontrollers"
] | [
"16f88",
"home automation",
"mesh network",
"nrf2401a",
"pic",
"x10"
] | [Ian Harris] designed a bunch of home automation for his parents using X10 hardware. He was a bit disappointed by the failure rate of the modules and the overall performance of the system so he set out to replace it with his own hardware. Lucky for use he’s documented the journey in
a four-part series about mesh networ... | 12 | 12 | [
{
"comment_id": "362931",
"author": "echodelta",
"timestamp": "2011-03-19T18:42:34",
"content": "Failure as in small bricks or failure as in ignored commands? Either way the X10 system is a joke.Good luck and hacking.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,377,240.865408 | ||
https://hackaday.com/2011/03/19/hardware-based-security-keypad-keeps-it-simple/ | Hardware-based Security Keypad Keeps It Simple | Mike Nathan | [
"hardware",
"Security Hacks"
] | [
"555 timer",
"hardware",
"lock",
"nand"
] | Instructables user [trumpkin] recently built an
all-hardware based keypad lock
for a contest he was entering, and we thought it was pretty neat. The lock uses mostly NAND gates and 555 timers to get the job done, which makes it a nice alternative to similar software-based projects we have seen in the past.
The lock has... | 5 | 5 | [
{
"comment_id": "363025",
"author": "biozz",
"timestamp": "2011-03-19T21:48:45",
"content": "simple and huge XDand probably easier to tamper XD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "363081",
"author": "Jak_o_Shadows",
"timestamp": "2011-03-19T... | 1,760,377,241.051134 | ||
https://hackaday.com/2011/03/19/more-radiation-test-gear/ | More Radiation Test Gear | Mike Szczys | [
"Tool Hacks"
] | [
"Dosimeter",
"geiger counter",
"radiation",
"radiometer"
] | This is
a multifunction too for measuring radiation
(
translated
). The measurements center around gas discharge tubes that react when ionizing particles pass through them. After reading about the counting circuit for the pair of tubes used in this handheld it’s easy to understand why these are tricky to calibrate. The... | 19 | 19 | [
{
"comment_id": "362897",
"author": "Knuckleball",
"timestamp": "2011-03-19T17:23:58",
"content": "Does this have to do with Seeeds request? That was fast! Well done. *applause*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "362903",
"author": "noonv",
... | 1,760,377,241.149025 | ||
https://hackaday.com/2011/03/19/add-a-shutoff-timer-to-your-bathroom-fan/ | Add A Shutoff Timer To Your Bathroom Fan | Mike Szczys | [
"home hacks"
] | [
"attiny13",
"bathroom",
"fan",
"led",
"light sensor",
"TRIAC"
] | Adding
this board
(
translated
) to your bathroom fan will turn it into a smart device. It’s designed to automatically shut off the fan after it’s had some time to clear humidity from the room. It replaces the wall switch which normally controls these fans by converting the fan connection to always be connected to main... | 17 | 17 | [
{
"comment_id": "362854",
"author": "Pedro",
"timestamp": "2011-03-19T15:16:53",
"content": "Pretty inter sting but a little overpowered for me I think. My extractor fan has an off the shelf (B&Q, not exactly speciality) timer.I wouldn’t have gone down the microcontroller route, but instead connect ... | 1,760,377,240.91817 | ||
https://hackaday.com/2011/03/19/building-a-zoetrope-using-kinect-processing-and-a-laser-cutter/ | Building A Zoetrope Using Kinect, Processing, And A Laser Cutter | Mike Szczys | [
"Misc Hacks"
] | [
"Kinect",
"laser cutter",
"processing",
"zoetrope"
] | A zoetrope is a device that contains a disk full with a series of images that make up and animation. A couple of different methods can be used to trick the eye into seeing a single animated image. In the past this was done by placing the images inside of a cylinder with slits at regular distances. When spun quickly, th... | 8 | 8 | [
{
"comment_id": "362802",
"author": "Stevie",
"timestamp": "2011-03-19T13:45:27",
"content": "Very cool and this is actually something I was thinking of building myself, to compliment my image projector projects. So i’ll definitely be checking out the documentation.For those interested in seeing mor... | 1,760,377,241.095497 | ||
https://hackaday.com/2011/03/18/512-led-cube-again/ | 512 LED Cube (again) | Brian Benchoff | [
"LED Hacks"
] | [
"cube"
] | We’ve seen LED cubes before, but [nick] upped the ante with his
8x8x8 LED cube
that uses only three pins on his microcontroller.
Previous LED cubes
we’ve covered drove the LEDs with shift registers and latches, but [nick] used STP16CP LED sink drivers to reduce the component count. The STP16CP can control 16 LEDs each,... | 37 | 37 | [
{
"comment_id": "362261",
"author": "Magnet18",
"timestamp": "2011-03-18T21:08:48",
"content": "Someone seriously needs to program 3D game of snake for one of these!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "362284",
"author": "CutThroughStuffGuy",
... | 1,760,377,241.222822 | ||
https://hackaday.com/2011/03/18/automatic-dog-dish-filler-never-goes-dry/ | Automatic Dog Dish Filler Never Goes Dry | Mike Nathan | [
"Arduino Hacks",
"home hacks"
] | [
"arduino",
"automatic",
"dog",
"water"
] | [Avatar-X] has a Siberian Husky that gets a lot of exercise throughout the day, and as you would imagine, drinks a ton of water as well. We all suffer from memory lapses at one time or another, and while he is normally good about keeping the bowl filled, he occasionally forgets. He has tried a handful of various auto-f... | 37 | 37 | [
{
"comment_id": "362205",
"author": "bemis",
"timestamp": "2011-03-18T20:20:55",
"content": "Nice setup.I’m paranoid about water leaks, so I think I would consider a “water alarm” type of feature–put the dishes into a larger but shallow container which contains a water sensor, if water is detected o... | 1,760,377,241.355007 | ||
https://hackaday.com/2011/03/18/reviving-a-broken-hsdpa-modem-with-a-bit-of-clever-investigation/ | Reviving A Broken HSDPA Modem With A Bit Of Clever Investigation | Mike Nathan | [
"Repair Hacks"
] | [
"modem",
"repair"
] | Hack-a-Day forum member [Necromant] was recently working on a router
when he made a terrible mistake
. He connected the wrong power brick to the router, causing a 2.5v over-voltage. The router itself was just fine, as it contained a good stepdown converter, but the HSDPA modem connected to the router’s USB port was not... | 17 | 17 | [
{
"comment_id": "362171",
"author": "aqua_scummm",
"timestamp": "2011-03-18T19:24:46",
"content": "Be angry. While the USB spec states that bus power should not exceed 5 volts, it also states that devices should be able to survive over 20 volts of power applied to the power rails.",
"parent_id"... | 1,760,377,241.282714 | ||
https://hackaday.com/2011/03/18/speech-recognition-geocache-se-habla-espanol/ | Speech Recognition Geocache: Se Habla Español | Jason Komp | [
"gps hacks"
] | [
"geocache",
"voice"
] | Instructables user [jorgegunn] has put a unique spin on
a recent geocache build
by incorporating speech recognition and requiring that the “finder” knows the secret password to access the loot contained within. Although we won’t spoil the fun here, the techie spirit of the build was further bolstered by choosing a pass... | 8 | 8 | [
{
"comment_id": "362141",
"author": "Tristan",
"timestamp": "2011-03-18T18:29:34",
"content": "Thats friggen awesome…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "362163",
"author": "Devin",
"timestamp": "2011-03-18T19:08:00",
"content": "Wonder ... | 1,760,377,242.212546 | ||
https://hackaday.com/2011/03/18/direct-to-pcb-resist-printing-requires-minimal-additional-components/ | Direct To PCB Resist Printing Requires Minimal Additional Components | Mike Nathan | [
"Peripherals Hacks",
"Tool Hacks"
] | [
"etch",
"inkjet",
"mispro",
"pcb",
"printer"
] | Printing PCBs using the toner transfer method works pretty well, but there are some downsides, such as incomplete trace transfers and the like. HackHut user [rucalgary]
decided to go the inkjet route instead
, and picked up an Epson printer on clearance at his local electronics shop.
This method is not new
by any means... | 10 | 10 | [
{
"comment_id": "362108",
"author": "denim",
"timestamp": "2011-03-18T17:54:33",
"content": "“This is a fake demo of my PCB printer setup.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "362115",
"author": "FightCube.com",
"timestamp": "2011-03-18T18:0... | 1,760,377,241.402608 | ||
https://hackaday.com/2011/03/18/diy-camera-dolly-frees-up-your-hands-to-take-care-of-the-important-stuff/ | DIY Camera Dolly Frees Up Your Hands To Take Care Of The Important Stuff | Mike Nathan | [
"digital cameras hacks",
"Tool Hacks"
] | [
"camera",
"dolly",
"hands free"
] | Documenting your build process can sometimes be an incredible pain, as it’s quite difficult to take pictures or video while you are in the middle of soldering. Professionals who demonstrate things on TV for a living have the benefit of a camera crew and special rigs to catch the action from every angle – the rest of us... | 11 | 11 | [
{
"comment_id": "361991",
"author": "random_jandom",
"timestamp": "2011-03-18T16:24:57",
"content": "Nice, I definitely need something like this but dont have the space to permanently set one up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "362143",
"aut... | 1,760,377,241.640304 | ||
https://hackaday.com/2011/03/18/seeed-looks-for-help-developing-an-open-source-radiation-detector/ | Seeed Looks For Help Developing An Open Source Radiation Detector | Mike Szczys | [
"HackIt"
] | [
"gieger counter",
"radiation",
"seeed studios"
] | Seeed Studios, makers of the Seeeduino and fabricators of small-run PCB orders have put out a call to
help develop an open source radiation detector
. Will it be of any help to people in the area of Japan that is at risk? We really can’t say. But if you can lend some expertise with this, it can’t hurt. We’ve already se... | 68 | 50 | [
{
"comment_id": "361910",
"author": "cfox",
"timestamp": "2011-03-18T15:19:38",
"content": "Wish I could be of some help.Solid idea though, good luck with finishing it. Hope it turns out to be useful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "361913",
... | 1,760,377,241.59036 | ||
https://hackaday.com/2011/03/18/junkyard-jumbotron-is-begging-to-for-an-open-source-project-clone/ | Junkyard Jumbotron Is Begging To For An Open Source Project Clone | Mike Szczys | [
"HackIt",
"Video Hacks"
] | [
"display",
"jumbtron",
"smart phone",
"web browser"
] | Idle developers of the world take inspiration from this project and unite to create your own version. It’s called the Junkyard Jumbotron because
it takes many different displays and allows them to be used as one big interactive display
. The image above shows a collection of smartphones displaying a test pattern. The p... | 17 | 17 | [
{
"comment_id": "361870",
"author": "CutThroughStuffGuy",
"timestamp": "2011-03-18T14:06:11",
"content": "Try Synergy.Open source. Cross platform.http://synergy-foss.org/Lets you control your cursor across multiple displays. Not exactly the same functionality but in someways better.",
"parent_i... | 1,760,377,242.263063 | ||
https://hackaday.com/2011/03/18/free-home-phone-method-uses-parts-were-familiar-with/ | Free Home Phone Method Uses Parts We’re Familiar With | Mike Szczys | [
"home hacks"
] | [
"analog telephone adapter",
"asterisk",
"ata",
"google voice",
"linux",
"pbx",
"telephone"
] | [Headsheez] found
a way to get his home phone service for free
. He’s using a set of tools that we’re familiar with to route service from a typical analog phone system (which involves the extensions wired into your home) through a server to the Internet. On the hardware side of things this starts out with an Analog Tel... | 19 | 19 | [
{
"comment_id": "361845",
"author": "alan",
"timestamp": "2011-03-18T13:19:25",
"content": "that’s a pretty big flaw if you can’t dial 911. yet again i’m sure he has a cellphone.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "361846",
"author": "Chris Munc... | 1,760,377,242.16345 | ||
https://hackaday.com/2011/03/18/robot-gets-around-on-lopsided-wheels/ | Robot Gets Around On Lopsided Wheels | Mike Szczys | [
"Robots Hacks"
] | [
"angular momentum",
"motor",
"vibration"
] | This
concept robot uses angular momentum to roll around
. You can see that on either end of the robot there are two discs which have been cut on one side to make them off-balance. For locomotion, two DC motors spin the outer discs which are not in contact with the floor. This spinning action exerts a force in the oppos... | 16 | 16 | [
{
"comment_id": "361774",
"author": "Stevie",
"timestamp": "2011-03-18T12:03:36",
"content": "I can’t really see any point to it. But interesting to see/know, I guess.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "361780",
"author": "guffguff",
"times... | 1,760,377,241.72771 | ||
https://hackaday.com/2011/03/18/audiophile-quality-headphones-at-a-fraction-of-the-price/ | Audiophile Quality Headphones At A Fraction Of The Price | Mike Nathan | [
"Musical Hacks"
] | [
"headphones",
"orthodynamic"
] | If you are in the market for a nice pair of Hi-Fi headphones, it is not uncommon to to find price tags in the range of $300-$500. [Stacy] loves her music, but she had no desire to pay that high a price for a pair of good portable cans. Instead, she upgraded a set of cheap, knock-off headphones to near-audiophile qualit... | 30 | 30 | [
{
"comment_id": "361770",
"author": "}{itch",
"timestamp": "2011-03-18T11:54:27",
"content": "Those drivers would be pretty sweet for some jackhammer headphones:http://www.instructables.com/id/Jackhammer-Headphones/@Stevie, we need to talk. You’re probably not a stupid guy, I mean, you read pretty t... | 1,760,377,241.848359 | ||
https://hackaday.com/2011/03/17/free-energy-is-for-fools/ | Free Energy Is For Fools? | Kevin Dady | [
"HackIt"
] | [
"free energy",
"jeri ellsworth"
] | In her new element-14 video [Jeri Ellsworth]
explains some concepts about “free to you” energy
and features the LTC3109EUF, an Auto-polarity, Ultra low Voltage Step-Up Converter and Power Manager, along with the LTC3588EMSE a Piezoelectric Energy Harvesting Power Supply.
Using the LTC3109EUF she is able to power a mod... | 27 | 26 | [
{
"comment_id": "361386",
"author": "Dino",
"timestamp": "2011-03-17T22:04:04",
"content": "I hope this video gets people really thinking about harvesting energy from the many sources out there. Good hacker inspiration here. I’ve got a project in mind…Also a cool flash back to the 80s. You maniac Je... | 1,760,377,241.927159 | ||
https://hackaday.com/2011/03/17/lcd-twofer/ | LCD Twofer | Kevin Dady | [
"Misc Hacks"
] | [
"lcd"
] | Inexpensive character LCDs are a popular choice for outputting data on many projects. Easily controlled , often back lit, and compact. If you have not found a reason to get one yet, here are a couple.
First up is a P
rogrammable digital timer switch
. Based around a PIC15f628A micro controller this handy little device ... | 13 | 13 | [
{
"comment_id": "360985",
"author": "Fallen",
"timestamp": "2011-03-17T14:23:48",
"content": "I found it was a nightmare to get those LCDs to work with my PIC…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "361000",
"author": "Dave",
"timestamp": "2011... | 1,760,377,241.977379 | ||
https://hackaday.com/2011/03/17/writing-python-drivers-for-input-devices/ | Writing Python Drivers For Input Devices | Mike Szczys | [
"Linux Hacks",
"Peripherals Hacks"
] | [
"driver",
"Joystick",
"python",
"usb"
] | [Stealth] put together a post explaining
how he writes drivers for input peripherals
. He’s using Python which makes the process fairly painless (we’ll get to that in a minute) but the value of his post is in the explanation surrounding how to interpret the data. Once you know how the communications are coming in from ... | 9 | 7 | [
{
"comment_id": "360941",
"author": "icebrain",
"timestamp": "2011-03-17T13:12:30",
"content": "If you want to develop Python drivers for peripherals which are not support at all, try PyUSB:http://pyusb.sourceforge.net/docs/1.0/tutorial.html",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,377,242.021221 | ||
https://hackaday.com/2011/03/17/researchers-discover-that-cars-can-be-hacked-with-music/ | Researchers Discover That Cars Can Be Hacked With Music | Mike Nathan | [
"Security Hacks",
"Transportation Hacks"
] | [
"automotive",
"mp3",
"security"
] | In 2009, [Dr. Stefan Savage] and his fellow researchers published a paper describing how they were able to take control of a car’s computer system by tapping into the CAN Bus via the OBD port. Not satisfied with having to posses physical access to a car in order to hack the computer system, they continued probing away,... | 32 | 31 | [
{
"comment_id": "360909",
"author": "wosser",
"timestamp": "2011-03-17T12:14:29",
"content": "So that’s why my Veyron always stalls out when Justin Beiber is on the radio.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "959998",
"author": "Shelly Dono... | 1,760,377,242.330278 | ||
https://hackaday.com/2011/03/17/the-basics-of-controlling-an-arduino-with-php/ | The Basics Of Controlling An Arduino With PHP | Mike Szczys | [
"Arduino Hacks",
"Linux Hacks"
] | [
"apache",
"php",
"serial",
"ubuntu",
"usb"
] | You can easily add Internet-based control for your Arduino if it is close enough to your server to be connected via USB.
This tutorial will give the basics you need
to get it working.
The gist of this method involves a webpage that includes PHP elements. When one of those elements is manipulated, a command is sent via ... | 23 | 23 | [
{
"comment_id": "360878",
"author": "Michael",
"timestamp": "2011-03-17T11:06:43",
"content": "Yeah i used this for a project, but abandoned it, because PHP -> Arduino works great, but Arduino -> PHP works really bad. And there’s not really anything else out there that can. Basically, you want Ardui... | 1,760,377,242.44058 | ||
https://hackaday.com/2011/03/16/laser-light-show-features-full-xy-control-via-homemade-galvanometers/ | Laser Light Show Features Full XY Control Via Homemade Galvanometers | Mike Nathan | [
"Arduino Hacks",
"Laser Hacks"
] | [
"arduino",
"galvanometer",
"laser"
] | [Rich] over at NothingLabs has put together
a really cool laser light show
that you really must see in an effort to win a laser cutter from Instructables.
His walkthrough discusses the mechanics of laser light shows – specifically how galvanometers are typically used to precisely aim mirrors in order to draw images and... | 14 | 14 | [
{
"comment_id": "360404",
"author": "ferdie",
"timestamp": "2011-03-16T22:42:38",
"content": "cool but can be fakeyou see the laser setupthan it cuts to the wall and you see neverthe setup and the laser the same timemake a video that shows the the laser and projection the same time",
"parent_id... | 1,760,377,242.379721 | ||
https://hackaday.com/2011/03/16/ladyada-to-be-featured-in-wired-magazine/ | Ladyada To Be Featured In WIRED Magazine | Mike Nathan | [
"News"
] | [
"ladyada",
"Makers"
] | If you haven’t seen the news already, prolific maker [Limor Fried/Ladyada] is
set to grace the cover of WIRED magazine
in the upcoming April edition.
Not only is it a great day for the hacking/maker community as it puts a bright spotlight on the things we do every day, it’s a big day for female engineers as well. While... | 51 | 50 | [
{
"comment_id": "360354",
"author": "NatureTM",
"timestamp": "2011-03-16T22:00:25",
"content": "Wow! Congrats to her! I wonder if Jeri Ellisworth is jealous ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "360365",
"author": "Jeremy Blum",
"timesta... | 1,760,377,242.525985 | ||
https://hackaday.com/2011/03/16/robotouch-adds-physical-game-controls-to-the-ipad/ | RoboTouch Adds Physical Game Controls To The IPad | Mike Nathan | [
"Arduino Hacks",
"Nintendo Hacks",
"Tablet Hacks"
] | [
"arduino",
"ipad",
"nes",
"servo"
] | [ProtoDojo] wanted to play a racing game on his iPad, but he was not a big fan of using the touch interface for this particular title. Instead, he put together a
pretty neat little hack
that allows him to play games on his iPad using an old NES controller.
He built a set of custom conductive arms which he mounted on th... | 11 | 11 | [
{
"comment_id": "360306",
"author": "first",
"timestamp": "2011-03-16T21:14:58",
"content": "Brilliant idea. Limited usefulness but still very well set out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "360333",
"author": "Christian",
"timestamp": "20... | 1,760,377,242.574487 | ||
https://hackaday.com/2011/03/17/bill-hammack-explains-how-led-backlit-lcd-monitors-work/ | Bill Hammack Explains How LED Backlit LCD Monitors Work | Mike Szczys | [
"Video Hacks"
] | [
"lcd",
"led"
] | We had a basic understanding of how LCD monitors worked, and you may too. But the thing is, [Bill Hammack] doesn’t just explain the basics. Since he’s the Engineer Guy he explains
the engineering principles behind how LED backlit LCD screens operate
. But he does it in a way that everyone can understand.
After the brea... | 14 | 13 | [
{
"comment_id": "361343",
"author": "Tony",
"timestamp": "2011-03-17T21:26:21",
"content": "Excellent explanation, tear down, build up and animations. Before I thought that liquid crystal just magically changed between light and dark. The truth that it actually goes from twisting the polarization li... | 1,760,377,242.683081 | ||
https://hackaday.com/2011/03/17/pitch-shifter-makes-your-band-sing-higher/ | Pitch Shifter Makes Your Band Sing Higher | Mike Szczys | [
"digital audio hacks"
] | [
"24fj",
"ipod",
"lm386",
"modulate",
"pic"
] | [Markus Gritsch] tipped us off about this little
module he built to shift the pitch of audio
playback. It uses a PIC 24FJ along with a couple of LM386 amplifier chips to manage the input and output signals. At the push of a button, audio being fed through the device can be modulated to a different key without changing ... | 23 | 23 | [
{
"comment_id": "361296",
"author": "lgroon",
"timestamp": "2011-03-17T20:07:40",
"content": "this is sooo damn great. i have been searching for a very long time for a diy “whammy” footpedal substitute for my bass guitar. i think this is the solution. have i understood right, that it simply fills a ... | 1,760,377,242.630325 | ||
https://hackaday.com/2011/03/17/recycled-sound-an-art-instillation-not-lacking-arduinos/ | Recycled Sound – An Art Installation Not Lacking Arduinos | Jesse Congdon | [
"Arduino Hacks",
"Musical Hacks"
] | [
"arduino",
"art",
"RfRemoteControl",
"sculpture"
] | [oakkar7] wrote in to show us [Ben Johansen] and [Jonathan Snow]’s interactive art installation, Recycled Sound(Website has a virus). The exhibit will premiere in the
TWU Arts Triangle Walking Tour
March 25th from 5-7pm.
Currently a work in progress, the final plan is for the outdoor installation to feature a podium ... | 6 | 6 | [
{
"comment_id": "361240",
"author": "Faelenor",
"timestamp": "2011-03-17T19:20:10",
"content": "I think you mean an art instAllation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "361250",
"author": "Jesse Congdon",
"timestamp": "2011-03-17T19:25:45",... | 1,760,377,242.860068 | ||
https://hackaday.com/2011/03/17/av-test-box-meets-the-incredible-shrink-ray/ | AV Test Box Meets The Incredible Shrink Ray | Mike Nathan | [
"Tool Hacks",
"Video Hacks"
] | [
"av",
"pic",
"vga"
] | [Chris] recently finished building a
miniscule AV Test Box
, capable of fitting inside a standard Altoids tin. It is a revision of a
project he constructed a few years ago
. His previous test box worked well, but was large and cumbersome – definitely not something you would want to carry around from place to place with... | 7 | 7 | [
{
"comment_id": "361208",
"author": "Sean Gay",
"timestamp": "2011-03-17T18:55:57",
"content": "Neat, except for the porn music.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "361242",
"author": "chango",
"timestamp": "2011-03-17T19:21:08",
"conten... | 1,760,377,242.90288 | ||
https://hackaday.com/2011/03/17/lego-minifig-multimeter-makes-resistor-sorting-a-lot-more-fun/ | Lego Minifig Multimeter Makes Resistor Sorting A Lot More Fun | Mike Nathan | [
"Tool Hacks",
"Toy Hacks"
] | [
"atmega",
"lego",
"multimeter"
] | While there’s typically not much room on our work bench for toys, [David] over at Robot Room has
put together a pretty cool multimeter
for which we would make an exception.
His Lego Minifig multimeter is constructed using mostly standard off-the-shelf Legos, and a pair of Minifigs he modified to suit his needs. Translu... | 21 | 21 | [
{
"comment_id": "361128",
"author": "Olivier",
"timestamp": "2011-03-17T17:21:43",
"content": "Brilliant project!I’ve never understood why resistances are color coded. Why the value isn’t clearly written on them like every others components?",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,377,242.960736 | ||
https://hackaday.com/2011/03/17/n64boy-advance/ | N64Boy Advance | Brian Benchoff | [
"handhelds hacks",
"Nintendo Hacks"
] | [
"nintendo",
"portable"
] | [Hailrazer] found a Game Boy Advance carrying case in his closet and thought he could pull off an
N64Boy Advance
in a few weekends. Despite the fast build time, [Hailrazer] built something that wouldn’t look out of place sitting on a shelf at a toy store.
This isn’t the first time we have covered an
N64 Advance portabl... | 11 | 11 | [
{
"comment_id": "361053",
"author": "nitori",
"timestamp": "2011-03-17T16:08:23",
"content": "I wish somebody would start manufacturing these things. (Any of the portable N64 systems) I’d buy one in a heartbeat. (My building skills are much too low to pull something like this off)",
"parent_id":... | 1,760,377,243.008439 | ||
https://hackaday.com/2011/03/17/quick-and-dirty-film-dosimeter/ | Quick And Dirty Film Dosimeter | Kevin Dady | [
"Medical Hacks"
] | [
"Dosimeter",
"film"
] | With all the talk of radiation in the media today [freddysam] posted a quick Instructable about using standard
camera film as a radiation dosimeter
. Film is sensitive to other forms of radiation other than visible light, and high speed films are even more susceptible due to their chemistry, which has caused all sorts ... | 22 | 22 | [
{
"comment_id": "361027",
"author": "Cameron",
"timestamp": "2011-03-17T15:32:58",
"content": "This is a terrible idea. Millions of dollars go into developing accurate dosimeters because the dose response of something simple like camera film is not linear. This means differentiating between dose sli... | 1,760,377,243.249212 | ||
https://hackaday.com/2011/03/16/toothpaste-diode/ | Toothpaste Diode | Kevin Dady | [
"chemistry hacks"
] | [
"toothpaste"
] | While reading the back of a tube a toothpaste [Underling] noticed that one of the ingredients was hydrated silica, gears turned, sparks flew and he wondered if he could possibly make a transistor out of the stuff. After thinking about it he decided that making a
diode out of toothpaste
would be easier and still prove t... | 39 | 39 | [
{
"comment_id": "359849",
"author": "IJ Dee-Vo",
"timestamp": "2011-03-16T13:18:12",
"content": "best use for toothpaste I ever seen!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "359859",
"author": "SRV",
"timestamp": "2011-03-16T13:43:12",
"cont... | 1,760,377,243.42263 | ||
https://hackaday.com/2011/03/16/motorcycle-sound-effects/ | Motorcycle Sound Effects | Kevin Dady | [
"Arduino Hacks"
] | [
"boot",
"motorcycle"
] | [Winfred] was thinking one day, of how the world would be a different place if everything we owned had little start up and shut down sounds like our computers. Historically computers would just beep after passing their power on self test, and many PC’s still do, but in the 1980’s as machines became more powerful and ho... | 12 | 12 | [
{
"comment_id": "359826",
"author": "sd",
"timestamp": "2011-03-16T12:35:18",
"content": "bracing for an onslaught of bad puns about crashing…the video made me lol :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "359833",
"author": "Delirium",
"timest... | 1,760,377,243.099874 | ||
https://hackaday.com/2011/03/16/pwm-controlled-led-display-is-truly-a-gift-from-the-heart/ | PWM-controlled LED Display Is Truly A Gift From The Heart | Mike Nathan | [
"LED Hacks",
"Microcontrollers",
"Misc Hacks"
] | [
"led",
"pic",
"pwm"
] | Instructables user [Simon] admits he addicted to electronics. Lucky for him, his wife of 15 years is pretty cool with, or at least tolerant of his need to fiddle with anything that plugs in. As a gift for their wedding anniversary, he decided it would be neat to combine his love for his wife with his love for electroni... | 7 | 7 | [
{
"comment_id": "359791",
"author": "Dirk",
"timestamp": "2011-03-16T11:10:46",
"content": "This is sweet. Hm, I wonder if my girlfriend would like this as a present…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "359795",
"author": "addidis",
"timesta... | 1,760,377,243.350286 | ||
https://hackaday.com/2011/03/15/cooking-up-piezo-crystals-at-home/ | Cooking Up Piezo Crystals At Home | Mike Nathan | [
"chemistry hacks",
"Misc Hacks"
] | [
"crystals",
"piezoelecricity"
] | [Collin] loves piezos – and why not?
According to him, they are about as close to magic as you can find in the world. We can’t really disagree on that one – there’s something
oddly enchanting about piezoelectric materials
.
Most commercially used piezoelectric devices that you find today are constructed out of man-made... | 56 | 49 | [
{
"comment_id": "359353",
"author": "Dunky",
"timestamp": "2011-03-15T22:11:00",
"content": "Nice crystals :)prob going to make one myself",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "359356",
"author": "Spork",
"timestamp": "2011-03-15T22:16:37",
... | 1,760,377,243.512271 | ||
https://hackaday.com/2011/03/15/the-evil-genius-simulator-kinect-controlled-tesla-coils/ | The Evil Genius Simulator: Kinect Controlled Tesla Coils | Jesse Congdon | [
"Hackerspaces",
"home entertainment hacks",
"Kinect hacks"
] | [
"Kinect",
"openframeworks",
"tesla coil"
] | The London Hackspace crew was having a tough time getting their Kinect demos running at Makefair 2011. While at the pub they had the idea of combining forces with Brightarcs Tesla coils and produced
The Evil Genius Simulator
!
After getting the go ahead from Brightarcs and the input specs of the coils they came up with... | 18 | 18 | [
{
"comment_id": "359319",
"author": "Tech B.",
"timestamp": "2011-03-15T21:17:56",
"content": "“… While at at pub…”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "359324",
"author": "wosser",
"timestamp": "2011-03-15T21:32:22",
"content": "Kinect c... | 1,760,377,243.308492 | ||
https://hackaday.com/2011/03/15/automated-harmonica-plays-simple-tunes/ | Automated Harmonica Plays Simple Tunes | Mike Nathan | [
"Musical Hacks"
] | [
"harmonica. automation",
"pic"
] | It seems that nearly everything is automated these days. Everywhere you look, people are being removed from processes in order to make them more efficient and less prone to mistakes. [Jon] however, saw one process that automation has yet to touch in a significant way –
playing the harmonica
.
He constructed a harmonica... | 14 | 14 | [
{
"comment_id": "359264",
"author": "wosser",
"timestamp": "2011-03-15T20:05:15",
"content": "Needs more advertisements.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "359265",
"author": "The ThunderBird",
"timestamp": "2011-03-15T20:11:35",
"conte... | 1,760,377,245.666243 | ||
https://hackaday.com/2011/03/15/electronic-diaper-bag-reminds-you-to-pack-everything-but-the-baby/ | Electronic Diaper Bag Reminds You To Pack Everything But The Baby | Mike Nathan | [
"home hacks",
"Lifehacks"
] | [
"arduino",
"led",
"lilypad"
] | [jnorby] knows what it’s like to leave the house with her baby in tow, only to realize that she has left something she needs at home. Instead of relying on a paper checklist, she decided to
craft her own diaper bag
that alerted her if she had forgotten to pack a particular item.
She built her bag from scratch, wiring s... | 15 | 15 | [
{
"comment_id": "359211",
"author": "razor",
"timestamp": "2011-03-15T19:23:11",
"content": "Actually I would think using a LilyPad with some sort of RFID combination would extend this capability pretty well. Overkill perhaps, certainly for a diaper bag, I agree. But to use a similar approach with... | 1,760,377,245.263978 | ||
https://hackaday.com/2011/03/15/picaxe-using-leds-to-communicate/ | PICAXE Using LEDs To Communicate | Mike Szczys | [
"LED Hacks"
] | [
"bidirectional",
"pic-08",
"PICAXE"
] | [Relwin] has being working on
using LEDs as bi-directional devices
. The setup above allows him to use each LED as an input, looking for a bright light source and then syncing up with the activity it receives. It is the most basic of communications using the components. The hardware at the heart of the system is a PICA... | 16 | 16 | [
{
"comment_id": "359189",
"author": "fotoflojoe",
"timestamp": "2011-03-15T18:55:20",
"content": "I was going to say: Didn’t the “Le Dominoux” guy already do this very thing? Then the video finished loading, and I see that it’s him!Ha!",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,377,245.157404 | ||
https://hackaday.com/2011/03/15/tilt-and-pivot-camera-base-uses-just-two-servos/ | Tilt And Pivot Camera Base Uses Just Two Servos | Mike Szczys | [
"cnc hacks",
"digital cameras hacks"
] | [
"arduino",
"panorama",
"servo"
] | [Caled] shows us
how to build a tilt and pivot camera base
. One of these can be quite handy for taking precisely aligned images that can later be stitched together into panoramic, or even spherical images. We have grand visions of being able to produce something along the lines of
these stunning interactive images
wit... | 19 | 19 | [
{
"comment_id": "359149",
"author": "dave",
"timestamp": "2011-03-15T18:01:30",
"content": "Of course it uses just two servos.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "359157",
"author": "Pete Prodoehl",
"timestamp": "2011-03-15T18:11:42",
"c... | 1,760,377,245.101072 | ||
https://hackaday.com/2011/03/15/pic-based-frequency-counter/ | PIC Based Frequency Counter | Mike Szczys | [
"Microcontrollers"
] | [
"16F628",
"frequency counter",
"pic",
"rs232"
] | Here’s
a PIC based frequency counter
that outputs the count via an RS232 serial connection. [Oakkar7] tipped us off about it after seeing
the AVR based counter
we featured yesterday. This project is a bit older and a bit dirtier.
Inside the metal DB9 housing you’ll find just seven parts. The most important is a PIC 16F... | 6 | 6 | [
{
"comment_id": "359130",
"author": "arfink",
"timestamp": "2011-03-15T17:18:26",
"content": "Heh, probably he doesn’t have any level conversion for the RS-232. You’d be surprised how many serial ports are not picky at all about levels, especially USB to Serial adapters. I have found that alot USB t... | 1,760,377,245.410085 | ||
https://hackaday.com/2011/03/15/co2-powered-pinewood-derby-car-is-definitely-cheating/ | CO2 Powered Pinewood Derby Car Is Definitely Cheating | Mike Szczys | [
"Toy Hacks"
] | [
"carbon dioxide",
"co2",
"cub scouts",
"pinewood derby"
] | The Pinewood Derby is a classic Cub Scout competition where dads and sons come together to build a small-scale race car. You start with a kit that includes a block of wood for the body, as well as four plastic wheels and four nails to act as axles. Most innovations in the ‘sport’ center around reducing friction between... | 37 | 35 | [
{
"comment_id": "359058",
"author": "brad",
"timestamp": "2011-03-15T16:04:17",
"content": "our setup was never quite so elegant, but we used to do that to our derby cars. one guy i know mounted a model rocket engine to his…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"co... | 1,760,377,245.527973 | ||
https://hackaday.com/2011/03/15/animated-paper/ | Animated Paper | Kevin Dady | [
"HackIt",
"Misc Hacks"
] | [
"duct tape",
"memory wire"
] | What if you could make paper react on physical input. Maybe you want it to shy away and close up if someone reaches for it too fast, or maybe you want some realistic paper flowers? Moving on to that great first step is
Animated Paper
, which is simply nitinol memory wire bonded to paper via our favorite tool, duct tape... | 8 | 8 | [
{
"comment_id": "359017",
"author": "Grovenstien",
"timestamp": "2011-03-15T15:24:54",
"content": "How about automated Origami? Flapping Bird here i come!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "359019",
"author": "nate",
"timestamp": "2011-03-1... | 1,760,377,245.455651 | ||
https://hackaday.com/2011/03/15/no-pcieslot-just-add-one/ | No PCIE Slot? Just Add One | Kevin Dady | [
"Netbook Hacks"
] | [
"pci express"
] | [Leslie] likes his little Samsung N150 Plus netbook. While it packs enough punch for almost everything, it lacks in High Definition video power. That is where a Broadcom Crystal HD mini PCI express card comes in, as these little video decoders are made just for netbooks needing some HD love, but the problem is, his ne... | 23 | 23 | [
{
"comment_id": "358974",
"author": "sp00nix",
"timestamp": "2011-03-15T14:10:21",
"content": "Reminds me of the pass through MPEG cards of the past",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "358985",
"author": "Tony",
"timestamp": "2011-03-15T14:2... | 1,760,377,245.369268 | ||
https://hackaday.com/2011/03/15/weather-station-turned-data-logger/ | Weather Station Turned Data Logger | Kevin Dady | [
"Arduino Hacks",
"Beer Hacks"
] | [
"homebrew"
] | Home brewing the perfect beer (or root beer in this case) requires a watchful eye and stable temperature, but [Gregory] has a house that is 120 years old. While we are sure it is a beautiful home, it does have its usual historical issues including temperature fluctuations.
[Gregory] suspects this to be the reason why ... | 10 | 10 | [
{
"comment_id": "358984",
"author": "1337",
"timestamp": "2011-03-15T14:28:12",
"content": "decodeTime(int time) //millis?0-3 seconds is a 03-5 seconds is a 111111111 – 255 = 24 seconds to send?this can’t be right.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,377,245.311767 | ||
https://hackaday.com/2011/03/16/adding-digital-storage-to-an-analog-scope/ | Adding Digital Storage To An Analog Scope | Mike Szczys | [
"digital cameras hacks",
"Tool Hacks"
] | [
"analog",
"digital",
"oscilloscope"
] | This is a hack in the finest sense of the term. It not only allows you to capture data from an analog oscilloscope for later analysis, but provides you with a great tool if you’re posting on the Internet about your projects. [J8g8j] used an empty cashew container to
add a camera mount to the front of his scope
. This i... | 14 | 14 | [
{
"comment_id": "360265",
"author": "alan",
"timestamp": "2011-03-16T20:18:52",
"content": "you have got to be kidding me…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "360272",
"author": "Bob Spafford",
"timestamp": "2011-03-16T20:28:47",
"conten... | 1,760,377,245.214807 | ||
https://hackaday.com/2011/03/16/beginner-project-super-cheap-magnetic-mixer/ | Beginner Project: Super Cheap Magnetic Mixer | Jesse Congdon | [
"home hacks",
"Tool Hacks"
] | [
"magnets",
"mixer",
"stir"
] | [wesdoestuff]’s mother needed a clean way to mix together fragrance oils. Being the stand up kinda guy he is, [Wes] threw together a few spare parts to make this
Magnetic Stir Plate
.
The whole setup is amazingly simple. Pry the fins off of an old computer fan, glue a couple magnets to the fan’s hub. Drill a hole for a... | 23 | 23 | [
{
"comment_id": "360194",
"author": "Dan Kinsley",
"timestamp": "2011-03-16T19:23:13",
"content": "A lot of folks in the homebrewing community do something similar to make stir plates to make yeast starters for their beers:http://www.homebrewtalk.com/f51/my-stirplate-cheap-easy-build-86252/",
"p... | 1,760,377,245.724112 | ||
https://hackaday.com/2011/03/16/giving-sight-to-the-visually-impaired-with-kinect/ | Giving “sight” To The Visually Impaired With Kinect | Mike Nathan | [
"Arduino Hacks",
"Kinect hacks",
"Wearable Hacks",
"Xbox Hacks"
] | [
"accessibility",
"arduino",
"Kinect"
] | We have seen Kinect used in a variety of clever ways over the last few months, but some students at the [University of Konstanz] have taken Kinect hacking to
a whole new level of usefulness
. Rather than use it to
control lightning
or to
kick around some boxes
using Garry’s Mod, they are using it to develop Navigationa... | 27 | 27 | [
{
"comment_id": "360158",
"author": "fluidic",
"timestamp": "2011-03-16T18:55:43",
"content": "Good show. I would have gone for belt-mounted myself to get more of the camera’s FOV across the space the person will be passing through – it looks like you lose a lot of near-field vision as a result whic... | 1,760,377,246.497351 | ||
https://hackaday.com/2011/03/16/cellphone-charger-has-a-usb-port-forced-upon-it/ | Cellphone Charger Has A USB Port Forced Upon It | Mike Szczys | [
"Cellphone Hacks",
"ipod hacks"
] | [
"7805",
"charger",
"ipod",
"linear regulator",
"usb"
] | We still can’t figure out why a standard charging scheme hasn’t been developed for handheld devices (other than greed). Certainly we understand that many devices have different electrical needs as far as voltage and current are concerned, but we still long for the ability to use one charger for many different doodads. ... | 21 | 19 | [
{
"comment_id": "360142",
"author": "Brian",
"timestamp": "2011-03-16T18:38:54",
"content": "I think I would just buy a USB 5V wall adapter for 1 dollar off amazon…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "360145",
"author": "fred",
"timestamp": ... | 1,760,377,246.109866 | ||
https://hackaday.com/2011/03/16/usb-man-in-the-middle-adapter/ | USB Man-in-the-middle Adapter | Mike Szczys | [
"Tool Hacks"
] | [
"man-in-the-middle",
"prototyping",
"stm32",
"usb"
] | The module works as a pass through, providing
access to data and power lines for a USB device
. [BadWolf] built it in order to sniff out communications between peripherals and the Universal Serial Bus. For now it just provides access to the different signals, but we think there’s quite a bit of usefulness in that. Firs... | 21 | 21 | [
{
"comment_id": "359985",
"author": "Kyle",
"timestamp": "2011-03-16T16:05:24",
"content": "This is good for USB 1.1 at the very best. Have you heard of impedance mismatch? Signal reflections? You will not be reliably pushing data through this.No offense, but there are a ton of actual USB breakout a... | 1,760,377,246.168718 | ||
https://hackaday.com/2011/03/16/tokyo-hackerspace-helping-disaster-victims/ | Tokyo Hackerspace Helping Disaster Victims | Mike Szczys | [
"Hackerspaces",
"LED Hacks"
] | [
"disaster",
"earthquake",
"japan",
"light",
"solar"
] | We, like the rest of the world, have watched in horror as footage of the recent earthquake-caused disaster has been reported from northern Japan. It’s easy to watch video and see nothing but distruction, however, life goes on and [Akiba] is looking for a way to help the recovery efforts. He mentions that one of the big... | 36 | 36 | [
{
"comment_id": "359918",
"author": "dan fruzzetti",
"timestamp": "2011-03-16T15:07:26",
"content": "Fantastic cause. Who’s going to coordinate the shipping over there and will they arrive BEFORE infrastructure starts being restored?I could make at least sixty of these with my buddies over the week... | 1,760,377,246.051476 | ||
https://hackaday.com/2011/03/16/dspic-based-spectrum-analyzer/ | DsPIC-based Spectrum Analyzer | Mike Nathan | [
"Microcontrollers",
"Tool Hacks"
] | [
"dsPic",
"frequency analyzer"
] | [Debraj] wrote to us describing a project he recently completed – a simple, compact
spectrum analyzer using a 16-bit dsPIC microcontroller
.
The analyzer is fed an analog signal, which is passed through a large resistor followed by an opamp. A DC offset is then applied to the signal, after which it is passed through a... | 6 | 6 | [
{
"comment_id": "360022",
"author": "joe hosman",
"timestamp": "2011-03-16T16:48:51",
"content": "very cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "360508",
"author": "hekilledmywire",
"timestamp": "2011-03-17T01:03:40",
"content": "I need ... | 1,760,377,246.437778 | ||
https://hackaday.com/2011/03/15/automatic-ball-launcher-is-for-the-dogs/ | Automatic Ball Launcher Is For The Dogs | Mike Nathan | [
"home hacks",
"Toy Hacks"
] | [
"automatic",
"dog",
"launcher",
"toy"
] | A while back, [Dino] built an automatic ball launcher for his dogs, but he wanted to revise it to make it smaller and a bit more user-friendly. While watching an episode of “Prototype This”, he came across a great idea to improve his launcher,
so off to the workshop he went
.
He repurposed a power window motor from a c... | 24 | 24 | [
{
"comment_id": "358923",
"author": "Erik J",
"timestamp": "2011-03-15T12:28:15",
"content": "I love springs, there are too few of them in hacks..The 2nd part of the video was amusing and full of suspense.. :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "35... | 1,760,377,246.228423 | ||
https://hackaday.com/2011/03/15/wireless-weather-station-obsessively-reports-the-temperature/ | Wireless Weather Station Obsessively Reports The Temperature | Mike Nathan | [
"home hacks",
"Wireless Hacks"
] | [
"weather station",
"wireless"
] | [nuumio] has been hard at work
building a Tweeting weather station
, which he recently got up and running. The weather station is built from three major components, a Linux PC for data storage and Tweeting, a main weather sensor unit, and a remote unit.
The remote unit sits outside and includes includes both a pressure... | 11 | 11 | [
{
"comment_id": "358928",
"author": "Olivier",
"timestamp": "2011-03-15T12:35:04",
"content": "Why does he have a pressure sensor inside and outside?AFAIK, only one is needed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "358933",
"author": "Olivier",
... | 1,760,377,246.273779 | ||
https://hackaday.com/2011/03/14/pi-phone-lulls-you-to-sleep-with-the-digits-of-pi/ | Pi Phone Lulls You To Sleep With The Digits Of Pi | Mike Nathan | [
"News",
"Phone Hacks"
] | [
"asterisk",
"pbx",
"Pi",
"SIP"
] | As you well know, today is March 14th – aka “Pi Day”.
Celebrated in math classrooms around the country, this truly is a celebration that belongs to the geeks. Here at Hack-a-Day, we too love Pi day, though we might not outwardly celebrate it with as much gusto as expressed by some of our readers.
[Chris Poole] is one H... | 21 | 21 | [
{
"comment_id": "358378",
"author": "yapel",
"timestamp": "2011-03-14T22:08:29",
"content": "tagged: asterisk, pbx, Pi, SIP – WHAT?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "358389",
"author": "l0l",
"timestamp": "2011-03-14T22:17:30",
"conten... | 1,760,377,246.394544 | ||
https://hackaday.com/2011/03/14/battery-capacity-tester-lifts-the-veil-on-manufacturer-capacity-claims/ | Battery Capacity Tester Lifts The Veil On Manufacturer Capacity Claims | Mike Nathan | [
"Tool Hacks"
] | [
"battery capacity",
"discharge",
"Teensy"
] | [Nick] was tasked with building a
battery capacity tester
by one of his teachers in order to test some aftermarket batteries that were purchased for their Vex robotics lab. The batteries were cheaper than the official version, but boasted more than twice the capacity. Fairly skeptical of the rating, he got to work desi... | 24 | 23 | [
{
"comment_id": "358306",
"author": "bogdan",
"timestamp": "2011-03-14T21:11:13",
"content": "The project is great, just shows what you are buying for less money is not always as advertised.Still, I found some flaws: the LM317 does not work well as a constant voltage source of 2.5V from a single lit... | 1,760,377,246.336908 | ||
https://hackaday.com/2011/03/14/guide-for-working-with-avr-microcontrollers/ | Guide For Working With AVR Microcontrollers | Mike Szczys | [
"Microcontrollers",
"News"
] | [
"AVR",
"guide"
] | [Q] wrote in to let us know about
the AVR-Guide he’s been working on
. It looks like he’s finished posting about 80% of the content he planned for in his initial draft outline. We read through several of the sections and found them to be concise, yet able to present information in a way that’s easy to grasp. The screen... | 8 | 6 | [
{
"comment_id": "358258",
"author": "Apexys",
"timestamp": "2011-03-14T20:28:12",
"content": "Hmm.Cool.But I think, some people are just working on translating this german tutorial:http://www.mikrocontroller.net/articles/AVR-GCC-Tutorial(Google-Translated Version:http://translate.google.de/translate... | 1,760,377,246.545241 | ||
https://hackaday.com/2011/03/14/diy-digital-pinball-console-plays-hundreds-of-games/ | DIY Digital Pinball Console Plays Hundreds Of Games | Mike Nathan | [
"computer hacks",
"home entertainment hacks",
"Toy Hacks"
] | [
"lcd",
"pinball"
] | Pinball machines, while likely considered pretty retro technology by most, are still a fun and engaging way to waste a little time. The problem with pinball machines is that they take up a lot of space, making the hobby of collecting them pretty prohibitive unless you have tons of spare room in your house.
[tbarklay] l... | 23 | 23 | [
{
"comment_id": "358216",
"author": "mikey",
"timestamp": "2011-03-14T19:44:10",
"content": "Ekaj: i hear ya. kudos to the designer, but nothing will ever replace the old mechanical pinball machines. want digital pachinko? plinko? pinball?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,377,247.293531 | ||
https://hackaday.com/2011/03/14/beginner-concepts-595-shift-register-simulator/ | Beginner Concepts: 595 Shift Register Simulator | Mike Szczys | [
"Microcontrollers"
] | [
"595",
"shift register",
"simulator"
] | [Aaron] just finished building
an online 595 shift register simulator
. These inexpensive chips let you extend the number of devices that can be controlled by a single microcontroller. You see them in quite a few LED multiplexing projects, included the
Ping Pong Clock
that we recently built. But they can be a bit trick... | 7 | 7 | [
{
"comment_id": "358168",
"author": "Gregory Strike",
"timestamp": "2011-03-14T19:02:00",
"content": "Very nice. Just learned something!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "358189",
"author": "CalcProgrammer1",
"timestamp": "2011-03-14T19:2... | 1,760,377,247.602748 | ||
https://hackaday.com/2011/03/14/commandeering-public-video-screens-real-or-fake/ | Commandeering Public Video Screens: Real Or Fake? | Mike Szczys | [
"Video Hacks"
] | [
"iphone",
"real or fake",
"repeater",
"times square",
"transmitter",
"video"
] | It’s time for everyone’s favorite comment thread game: Real or Fake? This week’s edition comes in from a tip that [Phil] sent about a way to
take over video screens in Times Square
. Watch the video after the break to see the hackers using a two-part solution to rebroadcast video from an iPhone onto a screen in the bus... | 66 | 50 | [
{
"comment_id": "358117",
"author": "bencoder",
"timestamp": "2011-03-14T18:03:33",
"content": "Clearly fake. It doesn’t work like that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "358119",
"author": "AnonymousCoward",
"timestamp": "2011-03-14T18:05... | 1,760,377,246.998121 | ||
https://hackaday.com/2011/03/14/frequency-counter-for-10-worth-of-parts/ | Frequency Counter For $10 Worth Of Parts | Mike Szczys | [
"Microcontrollers",
"Radio Hacks"
] | [
"7 segment",
"74lv8154",
"atmega16",
"frequency counter"
] | [Scott]
built this frequency counter
using less than $10 in parts. It’s set up to meter frequencies in megahertz which is fitting since he’s planning to use it with
his radio hardware experimentation
. But we would find it useful too because our cheap multimeter only reads up to around 4 MHz.
He’s using an ATmega16 tha... | 10 | 10 | [
{
"comment_id": "358066",
"author": "Chris Muncy",
"timestamp": "2011-03-14T17:12:36",
"content": "Very nice!This would be perfect for using as a readout on a VFO, re like my Kenwood TS-520.Thanks for sharing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "358... | 1,760,377,246.866744 | ||
https://hackaday.com/2011/03/14/cnc-etch-a-sketch-draws-on-itself/ | CNC Etch-a-Sketch Draws On Itself | Mike Nathan | [
"cnc hacks",
"Toy Hacks"
] | [
"cnc",
"etch a sketch",
"reprap"
] | Having never been any good with an Etch-a-Sketch, [Ben] decided it was time to
tame the children’s toy
that had taunted him for so long. He received one in a gift exchange a few years back and hung onto it, recently digging it out again to fit it with some CNC components.
Using his RepRap, he printed a set of mounting ... | 9 | 9 | [
{
"comment_id": "357936",
"author": "Phil",
"timestamp": "2011-03-14T15:08:51",
"content": "Finally you´ve got a vector display :).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "357943",
"author": "Karl",
"timestamp": "2011-03-14T15:14:57",
"conte... | 1,760,377,246.911553 | ||
https://hackaday.com/2011/03/14/3d-modeling-out-of-thin-air/ | 3D Modeling Out Of Thin Air | Mike Nathan | [
"Arduino Hacks",
"Kinect hacks",
"Multitouch Hacks"
] | [
"3d modeling",
"Kinect",
"open source"
] | It seems that with each passing day, the Kinect hacks that we see become exponentially more impressive. Take for instance
this little number
that was sent to us today.
[sonsofsol] has combined several open source software packages and a little electronics know-how to create one of the more useful Kinect hacks we have s... | 14 | 14 | [
{
"comment_id": "357879",
"author": "Grovenstien",
"timestamp": "2011-03-14T13:48:18",
"content": "add Bluetooth or other wireless connection to the gloves for more awesomeness,Perhaps use two wiimotes instead of gloves for even more control.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,377,247.919429 | ||
https://hackaday.com/2011/03/14/control-your-home-theater-from-anywhere-in-the-world/ | Control Your Home Theater From Anywhere In The World | Mike Nathan | [
"home entertainment hacks",
"home hacks"
] | [
"ethernet",
"home theater",
"ir"
] | Using IR repeaters for larger home theater setups is not uncommon, but they usually are quite simple. A series of IR receivers are placed throughout a home, all wired to repeat the signals in a central closet where all of the AV equipment is located. [Bill] constructed a solution that works much like a standard IR repe... | 21 | 21 | [
{
"comment_id": "357806",
"author": "Bernard Kerckenaere",
"timestamp": "2011-03-14T12:11:16",
"content": "For people who’d rather buy than build:http://www.irtrans.de/en/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "357828",
"author": "SelfSilent",
... | 1,760,377,247.150909 | ||
https://hackaday.com/2011/03/14/mini-sata-power-adapter-does-away-with-hdd-docking-stations/ | Mini SATA Power Adapter Does Away With HDD Docking Stations | Mike Nathan | [
"computer hacks",
"Peripherals Hacks"
] | [
"docking",
"power",
"sata"
] | [Marc] is pretty unsatisfied with hard drive docking stations as a whole. He says they are typically slow and unreliable, causing him all sorts of grief while he is troubleshooting a questionable hard drive. He decided to take some of the mystery out of the troubleshooting equation and built a
standalone SATA power mod... | 30 | 30 | [
{
"comment_id": "357792",
"author": "Michael Nielsen",
"timestamp": "2011-03-14T11:27:42",
"content": "A wall adapter directly to a hard drive’s 12V line? Sounds more unstable than the dock to me – what about noise and is the power supply regulated or switched?",
"parent_id": null,
"depth": ... | 1,760,377,247.985875 | ||
https://hackaday.com/2011/03/13/cd-phonograph-brings-old-time-charm-to-modern-music/ | CD Phonograph Brings Old-time Charm To Modern Music | Mike Nathan | [
"classic hacks",
"digital audio hacks"
] | [
"cd player",
"phonograph"
] | [Jozerworx] had always wanted to build a
CD player that looked like an old-time Victrola Phonograph
player, though he never seemed to be able to find the time to do it. With all of his other projects out of the way, he decided to finally get started on building his phonograph.
He went garage sale hunting and found the ... | 23 | 23 | [
{
"comment_id": "357324",
"author": "vasskk",
"timestamp": "2011-03-13T21:58:15",
"content": "this was totally one of my goals too, awesome work man.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "357330",
"author": "Per Jensen",
"timestamp": "2011-03-... | 1,760,377,247.798197 | ||
https://hackaday.com/2011/03/13/diy-laser-light-show-is-sure-to-please/ | DIY Laser Light Show Is Sure To Please | Mike Nathan | [
"Laser Hacks"
] | [
"laser",
"light show"
] | [Pete] had some spare time on his hands over his spring break, and he was itching to build something. He settled on
a laser light show
since, after all it was spring break, and what says “Party” better than a laser light show?
He glued three hobby mirrors to three small motors, mounting the motor assemblies on the lid ... | 12 | 12 | [
{
"comment_id": "357164",
"author": "Tim",
"timestamp": "2011-03-13T19:43:14",
"content": "A while ago i built something similar, but i glued mirrors to two speakers and played music through them, the vibration from the speakers moved the mirrors and made cool patterns with the laser.",
"parent_... | 1,760,377,247.201725 | ||
https://hackaday.com/2011/03/13/reverse-engineering-the-playstation-move/ | Reverse Engineering The Playstation Move | Mike Nathan | [
"Microcontrollers",
"Playstation Hacks"
] | [
"move",
"playstation 3",
"ps3",
"reverse engineering"
] | [Kenn] is working on building a quadrocopter from the ground up for a university project. Currently, his main focus is building an Inertial Measurement Unit, or rather
re-purposing a PS3 Move
controller as the IMU for his copter. He previously considered using a Wiimote Motion Plus, but the Move has a three-axis magnet... | 12 | 12 | [
{
"comment_id": "357123",
"author": "h_2_o",
"timestamp": "2011-03-13T18:05:10",
"content": "insert comment about sony coming after you if you do this now. Sounds silly but i wonder how many will scrap the idea of working on sony content considering their current actions.All that said hopefully he ... | 1,760,377,247.391351 | ||
https://hackaday.com/2011/03/13/reverse-engineering-the-psp/ | Reverse Engineering The PSP | Chris Nelson | [
"PSP Hacks"
] | [
"bga",
"psp",
"reverse engineering"
] | The original PSP may be old news but there is an
interesting relic of a website
(
translated
) dedicated to the reverse engineering of a PSP (and exploring Saturn?). To determine the true capabilities of the PSP they desoldered most of the ball grid array chips and then hand soldered 157 jumper wires to allow for direc... | 14 | 14 | [
{
"comment_id": "357078",
"author": "iToast",
"timestamp": "2011-03-13T15:40:22",
"content": "Even thought im sick of the horrible administration here, ima say this. This is kinda pointles… Since we can read and write to all hardware throught a kernel exploit.",
"parent_id": null,
"depth": 1... | 1,760,377,247.696066 | ||
https://hackaday.com/2011/03/13/bristlebot-mod-never-rubs-you-the-wrong-way/ | Bristlebot Mod Never Rubs You The Wrong Way | Mike Nathan | [
"Robots Hacks"
] | [
"bristlebot",
"steering"
] | [Underling] sent in his bristlebot project that aims to put a
new spin on controlling bristlebot movement
. We have seen
several
attempts
at bristlebot directional control in the past, but none of these methods really fit what he wanted to do. His goal was to use a single brush rather than two, and be able to aim the b... | 6 | 6 | [
{
"comment_id": "357059",
"author": "derwin",
"timestamp": "2011-03-13T15:03:46",
"content": "i wonder how he controls the robot.do both the drive and steer motors run at the same time causing the robot to move in a sine wave-like pattern?",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,377,247.644845 | ||
https://hackaday.com/2011/03/13/sleek-numitron-clock-tells-the-time-and-temperature/ | Sleek Numitron Clock Tells The Time And Temperature | Mike Nathan | [
"clock hacks",
"Microcontrollers"
] | [
"atmega",
"clock",
"numitron"
] | Instructables user [janw] is a big fan of nixie clocks, but he had never built one before. He decided he would rather start small and
build a clock using numitron tubes
first, before moving to nixies. He preferred the simpler tubes due to their much lower voltage requirements and the fact that he would not have to use ... | 6 | 6 | [
{
"comment_id": "357049",
"author": "wouter",
"timestamp": "2011-03-13T13:55:21",
"content": "very nice build.. I like it. Also I understand why he chooses numitron tubes instead of nixies. Without a doubt nixie are nicer but their requirements are corresponding..",
"parent_id": null,
"depth... | 1,760,377,247.741864 | ||
https://hackaday.com/2011/03/12/usb-dongle-hack-tethers-dsr-cameras-at-a-fraction-of-the-price/ | USB Dongle Hack Tethers DSLR Cameras At A Fraction Of The Price | Mike Nathan | [
"digital cameras hacks",
"Wireless Hacks"
] | [
"remote",
"usb",
"wireless"
] | [Neal] wanted to tether his DSLR to his computer, but he wasn’t about to fork out the $1,000 Nikon was asking for their wireless adapter. Instead, he opted to
construct his own solution
using two separate camera accessories which cost him less than $200 when finished.
The two components he purchased were a wireless USB... | 33 | 32 | [
{
"comment_id": "356513",
"author": "strider_mt2k",
"timestamp": "2011-03-12T21:07:15",
"content": "DUDE!WELL DONE!Agreed. Sometimes the simple hacks bring it home.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "356533",
"author": "Lenny",
"timestamp":... | 1,760,377,247.86861 | ||
https://hackaday.com/2011/03/12/protei-articulated-backward-sailing-robots-clean-oil-spills/ | Protei: Articulated, Backward Sailing Robots Clean Oil Spills | Mike Szczys | [
"green hacks",
"Robots Hacks"
] | [
"boat",
"boom",
"oil spill",
"sail"
] | The Protei project aims to develop
a robotic solution for oil-spill cleanup
. [Cesar Harada] quit what he calls his dream job at MIT to work toward a solution to the ecological disasters that are oil spills. He had previously been working on Seaswarm,
a swarm of robots that use conveyor belts of absorbent material
to l... | 15 | 15 | [
{
"comment_id": "356440",
"author": "M4CGYV3R",
"timestamp": "2011-03-12T20:06:21",
"content": "They had me at open source…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "356442",
"author": "caleb",
"timestamp": "2011-03-12T20:07:08",
"content": "n... | 1,760,377,248.03829 | ||
https://hackaday.com/2011/03/11/lol-shield-theatre-brings-online-video-to-the-pixelated-screen/ | Lol Shield Theatre Brings Online Video To The Pixelated Screen | Mike Nathan | [
"Arduino Hacks",
"LED Hacks"
] | [
"arduino",
"charlieplexing",
"lol shield"
] | [FallDeaf] bought a Lol Shield, and after making all sorts of blinky displays, he thought to himself, “What in the world can I use this thing for?”
In a really slick fusion of hardware, software, and the power of the Internet, he has created what he calls, “
Lol Shield Theatre
”.
The idea goes something like this:
You ... | 4 | 4 | [
{
"comment_id": "355729",
"author": "falldeaf",
"timestamp": "2011-03-12T00:11:12",
"content": "Hi Hackaday!Thank you for the post and the cool write-up. There’s already been a bunch of great animations! And the signal/penis ratio is really good, must be a good crowd around here. :)",
"parent_id... | 1,760,377,248.080199 | ||
https://hackaday.com/2011/03/11/the-traveling-terabyte-project-helping-those-who-protect-us/ | The Traveling Terabyte Project – Helping Those Who Protect Us | Mike Nathan | [
"News"
] | [
"armed forces",
"multimedia",
"soldiers"
] | Though some people differ on what exactly a “hacker” is, there is one thing that can be said for certain – this global community of tinkerers, experimenters, and hobbyists we belong to is one of big hearts. Through our various projects and tutorials, we lead by example – sharing knowledge and offering help whenever we ... | 75 | 50 | [
{
"comment_id": "355479",
"author": "Whatnot",
"timestamp": "2011-03-11T19:19:51",
"content": "All good and well, but count me as one that does NOT support US troops.I’m not sure it’s appropriate to come with political crap let alone war and murder and kidnapping and torture and such nastiness on th... | 1,760,377,248.212889 | ||
https://hackaday.com/2011/03/11/microsoft-points-algorithm-cracked-theyre-out-1m/ | Microsoft Points Algorithm Cracked… They’re Out $1M | Mike Szczys | [
"Security Hacks",
"Xbox Hacks"
] | [
"algorithm",
"microsoft",
"points"
] | Looks like
someone figured out the algorithm that Microsoft uses
to generate unique codes for their alternative currency: Microsoft Points. We were always a bit baffled by the need to do this sort of thing (Disney dollars, tokens at arcades, etc.) but figured it’s just a grift to get you to spend more dough. Looks like... | 44 | 43 | [
{
"comment_id": "355430",
"author": "Nick McClanahan",
"timestamp": "2011-03-11T18:19:56",
"content": "I’m not sure if they’re ‘out’ $1M – that’s kinda like music industry math. Unless you can buy physical things with Microsoft points…",
"parent_id": null,
"depth": 1,
"replies": []
},... | 1,760,377,248.538699 | ||
https://hackaday.com/2011/03/11/bitbang-ir-remote/ | Bitbang IR Remote | Kevin Dady | [
"LED Hacks"
] | [
"ftdi",
"lirc"
] | [Albert] has made a few PC IR transmitters and receivers using the traditional connection of RS232 serial, and that is fine, but as we are all aware, not every computer has serial ports standard. Searching though normal USB <> RS232 dongles didn’t meet his requirements. Deciding on making it himself, he whipped up thi... | 4 | 4 | [
{
"comment_id": "355437",
"author": "Paul Potter",
"timestamp": "2011-03-11T18:28:16",
"content": "Very neat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "355451",
"author": "chango",
"timestamp": "2011-03-11T18:45:25",
"content": "Nice. I love ... | 1,760,377,248.460241 | ||
https://hackaday.com/2011/03/11/phillip-torrone-makes-case-for-next-gen-public-libraries/ | Phillip Torrone Makes Case For Next-gen Public Libraries | Mike Szczys | [
"Hackerspaces"
] | [
"hackerspace",
"public library",
"techshop"
] | [Phillip Torrone] has started
a discussion about a possible upgrade to the public library system
in the US and wants to know what you think. His name should be familiar (Hackaday founder, Open Source hardware advocate, and
Tron costume model
) and he’s definitely got his finger on the pulse of today’s electronics enthu... | 48 | 48 | [
{
"comment_id": "355338",
"author": "Roberto",
"timestamp": "2011-03-11T16:56:38",
"content": "Enterprise strives where government fails.If government provides all the services it is able to provide, is private enterprise doomed?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,377,248.798451 | ||
https://hackaday.com/2011/03/11/zigbee-powered-wireless-scale/ | Zigbee-powered Wireless Scale | Noah Dunker | [
"Medical Hacks",
"Microcontrollers",
"Wireless Hacks"
] | [
"scale",
"weight",
"wireless",
"xbee"
] | [joe] wanted to make it easy to record his weight every day, and added a few bits to decode the weight and send it to his computer. The end result is a
ZigBee-powered wireless scale
. Additionally, his scale can track more than one person’s data simply by knowing whose previous weight the new measurement is closest to.... | 5 | 5 | [
{
"comment_id": "355343",
"author": "Gravis",
"timestamp": "2011-03-11T16:59:16",
"content": "looks a little sloppy but if it works, that’s cool. i would have just put the wireless on the pcb (no zigbee module) and used a ribbon cable for the LCD connection but that’s just me.",
"parent_id": nu... | 1,760,377,248.581252 | ||
https://hackaday.com/2011/03/11/build-your-own-vertical-axis-wind-turbine/ | Build Your Own Vertical Axis Wind Turbine | Mike Szczys | [
"green hacks"
] | [
"generator",
"stator",
"turbine",
"wind"
] | You can build a copy of this vertical wind turbine in a weekend and it won’t cost you all that much. Applied Sciences developed the hardware and
they’re sharing all for the build details
. You will be taken through every part of the build starting with the fin assembly which is made from stove-pipe material. This is a ... | 26 | 23 | [
{
"comment_id": "355284",
"author": "Adam",
"timestamp": "2011-03-11T15:20:34",
"content": "Looks like a nice project, and well presented. My gut reaction was “I want to build one!”However, they don’t even try to make an estimate of power output. No calculations, no empirical data. With all the work... | 1,760,377,248.857127 | ||
https://hackaday.com/2011/03/12/personal-soundboard-recounts-years-of-clever-one-liners/ | Personal Soundboard Recounts Years Of Clever One-liners | Mike Nathan | [
"digital audio hacks",
"Misc Hacks"
] | [
"soundboard"
] | [Antibore’s] friend was just wrapping up his Ph.D. Degree and he wanted to build him something special to commemorate the accomplishment. After thinking about it awhile, he realized that his friend was quite gregarious and known to make off-the-wall comments at parties and such. A ton of these one-liners were documente... | 7 | 7 | [
{
"comment_id": "356368",
"author": "UserName",
"timestamp": "2011-03-12T17:38:36",
"content": "4 buttons? so 2^4 = 16. But how can you press the combination of pressing no buttons at all?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "356374",
"author": "... | 1,760,377,248.663599 | ||
https://hackaday.com/2011/03/12/nba-hangtime-pinball-display/ | NBA Hangtime Pinball Display | Mike Szczys | [
"home entertainment hacks"
] | [
"arduino",
"i2c",
"led",
"pinball",
"scoreboard",
"shift register"
] | [Ed Zarick] continues work on his NBA Hangtime pinball machine with
the completion of the scoreboard and backglass
. You should remember this project as we already covered
the layer audio he developed for the system
. Now he’s proving to be a protoboard master, using point-to-point techniques to build a pair of two and... | 1 | 1 | [
{
"comment_id": "356451",
"author": "Max",
"timestamp": "2011-03-12T20:16:26",
"content": "It would be more cool if the playing field wasactually a gym floor or parking lot. Using Wiistrapped to the two players. Pinball games aresort of a dying breed … so it’s cool to seesomeone spend this much ti... | 1,760,377,248.618592 | ||
https://hackaday.com/2011/03/12/building-your-internet-radio-empire/ | Building Your Internet Radio Empire | Mike Szczys | [
"Radio Hacks"
] | [
"radio",
"streaming"
] | It all starts with one station in your home office but who knows where it can go from there? If you’ve got dreams of being an Internet radio jockey you can
get some ideas about equipment startup
from this setup that [Viktor’s] built for a friend.
He started out with a plan to have a station that offers twenty-four hour... | 19 | 19 | [
{
"comment_id": "356291",
"author": "BoKu",
"timestamp": "2011-03-12T15:28:14",
"content": "Steaming guest? Ooh lala",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "356307",
"author": "xorpunk",
"timestamp": "2011-03-12T16:02:50",
"content": "ITX+Mi... | 1,760,377,248.913604 | ||
https://hackaday.com/2011/03/11/passcode-protected-laser-tripwire-alarm-system/ | Passcode Protected Laser Tripwire Alarm System | Mike Nathan | [
"Arduino Hacks",
"Laser Hacks",
"Security Hacks"
] | [
"alarm",
"arduino",
"laser",
"security",
"tripwire"
] | Sometimes security doesn’t need to be overly complex to be effective. Instructables user [1234itouch] recently built a
simple laser tripwire alarm
that can be mounted virtually anywhere, complete with a keypad for disarming the device.
He mounted a photo cell in a project box, along with an Arduino and a 12-button key ... | 13 | 13 | [
{
"comment_id": "355688",
"author": "andar_b",
"timestamp": "2011-03-11T23:30:22",
"content": "I remember playing with ‘security’ devices as a child, using one of those ‘100 in 1’ Radio Shack boxes. The only thing I thought of right off for this project is: Why not mount a mirror opposite the laser... | 1,760,377,248.714905 | ||
https://hackaday.com/2011/03/11/bench-top-laser-engraver-does-some-cutting-too/ | Bench-top Laser Engraver Does Some Cutting Too | Mike Szczys | [
"cnc hacks",
"Laser Hacks"
] | [
"arduino",
"cutter",
"dvd-r",
"engraver",
"laser",
"optical drive"
] | Grab that stack of old optical drives you have in the corner and
get to work building this laser engraver
. [Groover] is taking a no-nonsense approach to the build and we think it is just simple enough to be accessible to a very wide audience.
The physical assembly uses sleds from two optical drives. These are mounted ... | 25 | 25 | [
{
"comment_id": "355631",
"author": "CutThroughStuffGuy",
"timestamp": "2011-03-11T22:10:32",
"content": "“Since lasers cut at one specific focal length, there is not need for a Z axis (simplifying the build greatly).”So you have to cut the exact same thickness then with this machine? Or put in shim... | 1,760,377,248.974295 | ||
https://hackaday.com/2011/03/11/async-firefly/ | ASync-Firefly | Noah Dunker | [
"LED Hacks"
] | [
"555",
"fireflies",
"firefly",
"led",
"phototransistor",
"synchronized"
] | [dev_dsp] wanted to try his hand at creating a purely
analog implementation of multiple synchronizing fireflies
powered by a single battery and built from off-the shelf, through-hole components on inexpensive protoboard. In theory, even your local Radio Shack should still carry all of this stuff. He was obviously inspi... | 8 | 8 | [
{
"comment_id": "355616",
"author": "jeremiah",
"timestamp": "2011-03-11T21:29:58",
"content": "I don’t see a video after the jump… not trying to nitpick, I just wanna see it. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "355622",
"author": "HARaaM",
... | 1,760,377,249.127804 |
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