hackaday.com Archives - 15 April 2013, Monday

  • Original hardware for fifteen consoles jammed into recently completed Project Unity

    Original hardware for fifteen consoles jammed into recently completed Project Unity

    hackaday.com 15 Apr '13, 9pm

    This is definitely an impressive piece of work! I admit that I shook my head a bit, though, when he said that he used original hardware because that would be how the games were meant to be played. He definitely has a point with emulation accuracy, For some games this makes an importan...

  • New post: [FlorianH] shows off MinimaBL, the next generation of his quadcopter project

    [FlorianH] shows off MinimaBL, the next generation of his quadcopter project

    hackaday.com 15 Apr '13, 7pm

    You’ll find some outdoor flight demo clips after the break. Right off the bat we’re impressed at the rock solid stability of the quadrotor while in flight. Even indoors the last version had a hint of a wobble as the control loop calculated stabilization. Here he borrowed some code fro...

  • Glowing Easter eggs more fun than a dye job

    Glowing Easter eggs more fun than a dye job

    hackaday.com 15 Apr '13, 1pm

    The project still has one foot in the old tradition as it starts by blowing out the eggs. The larger hole on the bottom, which was used to evacuate the yoke an albumen, ends up being just the right size to insert an LED. You could simply hook these up to a battery and resistor, but [R...

  • Hackaday Links: Sunday, April 14th, 2013

    hackaday.com 14 Apr '13, 9pm

    We figure we have to start off this week’s links post talking about PETMAN. Boston Dynamics shows off the humanoid robot donning a full chemical suit . It’s a lot scarier than when we first saw it as a couple of legs a few years ago [Thanks Joshua]. Seeing something like that might dr...

  • New post: Building a replacement for a broken dehumidifier controller

    Building a replacement for a broken dehumidifier controller

    hackaday.com 14 Apr '13, 7pm

    We’ve thought of doing a project like this ourselves as the dehumidifier we ordered online runs the fan 24/7 no matter what the humidity conditions. But it wasn’t that [Davide Gironi] was unhappy with the features on his unit. It’s that the dehumidifier controller stopped working so h...

  • Teaching a computer to play Mario… seemingly through voodoo

    Teaching a computer to play Mario… seemingly through voodoo

    hackaday.com 14 Apr '13, 1pm

    The link above includes his whitepaper, but we think you’ll want to watch the 16-minute video (after the break) before trying to tackle that. In the clip he explains the process in laymen’s terms which so far is the only part we really understand (hence the reference to voodoo in the ...

  • @ToRo yo hice esta me costo 20 pesos y funciona muy bien.

    HDTV antenna that can hang in a window

    hackaday.com 14 Apr '13, 3am

    I’m certainly no expert on antennas, but I’m pretty sure a “HDTV antenna” doesn’t exist, just a marketing term like “color TV antenna”. In markets where there are no HDTV broadcasts, and DTV share the airwaves with the reaming low power analog UHF stations it’s simply a TV antenna.No ...

  • SqueezeBerry: a Raspberri Pi powered Squeezebox appliance

    SqueezeBerry: a Raspberri Pi powered Squeezebox appliance

    hackaday.com 13 Apr '13, 9pm

    Since Logitech announced that it was terminating the Squeezebox line we’ve seen several projects which take up the torch. We’ve seen the RPi used as a Squeezebox server and several embedded Linux systems used as clients . This follows in the footsteps of the latter. The RPi is running...

  • Working 3D printed stepper motor

    Working 3D printed stepper motor

    hackaday.com 13 Apr '13, 7pm

    Most 3D printers use stepper motors to control the movement of the extruder head. If you could actually print those motors it would be one more big step toward self-replicating hardware. Now obviously [Chris Hawkins'] working 3d printed stepper motor wasn’t built 100% through 3D print...

  • Network-controlled fireworks launcher

    Network-controlled fireworks launcher

    hackaday.com 13 Apr '13, 1pm

    [Thomas] and his friends wanted to ring in the new year by setting off some fireworks. To keep a safe distance and have a little fun they built this network controller launcher (translated ). the image on the left shows the build in its unused and pristine state. But by the end of the...

  • Generating electricity from alcohol

    Generating electricity from alcohol

    hackaday.com 12 Apr '13, 9pm

    The build is passively cooled, using a sync assembly that takes advantage of heat pipes to help increase the heat dissipation. A nearly flat heat sink makes up the mounting surface for the hot side, which faces down toward a flame driving the generator. [x2Jiggy] started the project b...

  • New post: Horribly complicated electric guitar keyboard

    Horribly complicated electric guitar keyboard

    hackaday.com 12 Apr '13, 7pm

    So let’s dig into the house of cards he built for the project. It starts off with the guitar which has been fitted with an additional pickup to interface with a Roland GR-33 synthesizer pedal. That outputs a MIDI signal, which many hackers would have connected to the computer and pars...

  • Build your own air-powered Star Trek "whoosh" doors

    Star Trek inspired pocket doors

    hackaday.com 12 Apr '13, 5pm

    I noticed people talking about the safety of getting caught between the doors but what about that fact that he cut out the header over the door,the 2 header support studs, and the 2 full run studs along the header supports. One way or another, be it directly or indirectly, that is a l...

  • Jeep Wrangler gets pressurized water right out of the bumper

    Jeep Wrangler gets pressurized water right out of the bumper

    hackaday.com 12 Apr '13, 1pm

    If you want running water you’ve got to have a place to put it. This is actually what sparked the idea for the project. [Ed] noticed that the bumper was hollow and had some drain holes on the bottom. After plugging those and adding a fill hole to the top he found that he had a reservo...

  • Hacking the Oculus Rift: the Oculight

    hackaday.com 11 Apr '13, 9pm

    Our Oculus Rift finally arrived in the mail. I’ll spare you my thoughts on the item itself other than to say it is amazing. There are tons of videos to choose from that show people’s thoughts and reactions, and Ifixit has their usual detailed teardown as well. The mod I decided to tac...

  • Automating a mechanical typewriter

    Automating a mechanical typewriter

    hackaday.com 11 Apr '13, 9pm

    It would have been much easier to patch into an electric typewriter, but we have seen the string trick used on those as well . In this case a loop of string attaches to the the bar under each key, allowing a pull from below to type the character. An automotive door lock actuator ([Har...

  • Top 10 best hacking scenes in movies

    hackaday.com 11 Apr '13, 8pm

    Geeking out and complaining about inaccuracies is fun. But it is like junk food. Too much is bad for your health. We’ve done the Top 10 worst portrayals of hacking in movies /TV as well as a Part 2 due to high demand. Now it is time for the good stuff. Take it in and feel those health...

  • Guitar EQ levels trigger the stage lights

    Guitar EQ levels trigger the stage lights

    hackaday.com 11 Apr '13, 7pm

    the hack that adds an EQ display for a pedal board he got the idea to convert the concept as control hardware instead of just for feedback. Just like the visualization project he uses an MSGEQ7 chip which takes care of the audio analysis. He’s using this for electric guitar so he only...

  • A motorized snowboard: Because, you know, it's not like there's gravity or anything to move you along

    Snowboard propulsion system motors you through the flats

    hackaday.com 11 Apr '13, 2pm

    One advantage that skiers have always had over snowboarders is the ability to move through flat sections with ease. [Matt Gardner] built this prototype to help even the playing field. When he would normally need to kick, hop, or remove the board and walk he can now engage his snowboar...

  • Perpetual pong

    Perpetual pong

    hackaday.com 10 Apr '13, 9pm

    The brain of the device is a PIC 16F684 which drives the six rows of the display directly. He went with a decade counter (CD74HC401) to scan the rows one at a time. Now what would you expect to find on the underside of this hunk of protoboard? A rat’s nest of point to point wiring? If...

  • MIDI pedal project looks as good as it sounds

    MIDI pedal project looks as good as it sounds

    hackaday.com 10 Apr '13, 7pm

    An Arduino Nano pulls this project together. It scans the pedals constantly and converts the key presses into MIDI signals. But the design includes this fabulous looking front-end which [Lee] first prototyped in cardboard before cutting and bending his own Aluminum tread plate. A two-...

  • Hacker sends this through the mail to record a video of the process

    Hacker sends this through the mail to record a video of the process

    hackaday.com 10 Apr '13, 1pm

    Camera, digital storage, and battery technology have gotten to the point that it’s both cheap and easy to do this sort of surveillance. But there are a few logistical things that [Ruben] took into account to make this work quite well. First off, he need to hide the camera in a way tha...

  • Wall wart computer mouse

    Wall wart computer mouse

    hackaday.com 09 Apr '13, 9pm

    This rather bulky looking wall wart is actually a computer mouse . Sure, it may cause your hand to cramp horribly if used for any length of time. But some would say it’s worth that for the hipster value of the thing. The rather odd shape is somewhat explained by the fact that this was...

  • Recurve bow make from wood and skis

    Recurve bow make from wood and skis

    hackaday.com 09 Apr '13, 5pm

    He settled on the idea after seeing a few other projects like it on Reddit. After first drawing up a plan he headed down to the shop to cut out the wooden riser (the middle part of a bow). Unlike traditional recurve bows this is made up of three parts. Traditionally you would laminate...

  • The RedBull creation contest begins!

    hackaday.com 09 Apr '13, 4pm

    Basically, it is kind of an LED lighting multi-tool with some extra sensors and output devices on-board. The board is controlled over I2C using an Arduino Uno R3, or you can air-wire pretty much any device that supports 400KHz (fast mode) I2C to the breakout pads. We’ve tested it with...

  • New post: Synthesizing graphene in your basement laboratory

    Synthesizing graphene in your basement laboratory

    hackaday.com 09 Apr '13, 1pm

    We’re surprised that we haven’t come across any of [Robert Murray-Smith's] projects before. Looking through his collection of YouTube uploads proves that he’s a very active amateur chemist (we assume this is a hobby because he performs the experiment in a mayonnaise jar). The video we...

  • Yamaha SW60XG hack lets you use it as a standalone MIDI device

    Yamaha SW60XG hack lets you use it as a standalone MIDI device

    hackaday.com 08 Apr '13, 9pm

    [Benji Kimba] posted the video overview of his project which you can watch after the break. The image above is found at about 2:35 seconds and about twenty seconds later you get a look at how he patched into the conductors on the edge connector on both sides followed by the MIDI in an...

  • Combo lock uses relays and logic gates

    Combo lock uses relays and logic gates

    hackaday.com 08 Apr '13, 5pm

    Here’s a really fascinating circuit that implements a combination lock using relays and logic gates . Even with the schematic and written explanation of how it works we’re still left somewhat in the dark. We’ll either pull out some paper and do it by hand this weekend, or build it chu...

  • Another way to look at Charlieplexing

    Another way to look at Charlieplexing

    hackaday.com 08 Apr '13, 1pm

    Charlieplexing is a technique that allows you to drive a larger number of LEDs than wouldn’t be possible with the same number of I/O pins on a traditional multiplexed matrix. If we lost you there just think of it as lots of blinky lights connected to a small number of pins. It works b...

  • Hackaday Links: Sunday, April 7th, 2013

    hackaday.com 07 Apr '13, 9pm

    Let’s wind down the weekend with some projects that didn’t quite warrant their own feature, but we think they’re still worth a look. First up is a quick tip on cracking the lids on those hard to open jars of food. [Jason] says just grab about a foot of duct tape and the lid will come ...