Peggy 2 Super Pixels

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[Windell] from Evil Mad Scientist Laboratories took one of their Peggy 2 kits and gave it a little upgrade. The Peggy 2 is a programmable 25×25 LED display. It’s Arduino compatible and can accommodate big 10mm LEDs. Most people assemble them using just one color, but [Windell] decided to create giant RGB pixels by placing discrete red, green, blue, and white LEDs next to each other in the board. This creates a 12.5×12.5 grid of full color pixels. It’s an interesting effect and you should definitely check out the video embedded below which shows how the transition can be smoothed using a diffuser. Continue reading “Peggy 2 Super Pixels”

Twittering Toilet

We wouldn’t want to let a week slip by without something new being made to twitter would we?  This time it is a toilet. Don’t worry, they are sparing us the graphic details, it pretty much tweets every time it is flushed. As you can see in the picture above, they’re using an Arduino for the toilet/PC connection. If you really want to make something twitter, this might be a good starting point. It’s basically twittering every time a button is pushed. You can download the source code on the site as well as find a tutorial on Arduino basics.

[via astera]

Guitar Hero Macro Board

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Doesn’t look like the Guitar Hero hacks will be slowing up any time soon. In this recent installment, [Thunderhammer3000] built a board to record Guitar Hero “songs”. It is wired inline with with the fret buttons and strum bar and records each of the key presses. Songs can be recorded at slow speed in practice mode and replayed at full speed. The board is Arduino compatible and has two optoisolator chips for collecting the button presses plus a small EEPROM for storage. The board fits easily inside the guitar body.

WaitLess Bus Tracking System

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Bus systems on campus can often be frustrating. You’re standing at the stop waiting and you don’t know if it would just be faster to walk. If you have a WaitLess tracking system at your stop, you can see exactly where the bus is and make that decision much easier. The unit is self contained, solar, and equipped with wireless internet. With an Arduino at it’s core, it displays the current location of the bus by lighting an LED on a map. You can see a video of it in action after the break.

Continue reading “WaitLess Bus Tracking System”

Plant Fasting: Robotic Gardening

[flickr video=3479713449]

This art display system was created by [Peter Sand]. It is called Plant Fasting and is comprised of a giant robot with interchangeable tools for various gardening tasks. Though the system is mostly automated, it can be controlled via a game pad. It has an Arduino as its brain and it looks like he’s done a completely custom setup for powering the interchangeable pieces.

Wii Nunchuck Controlled Pleo

[youtube=http://www.youtube.com/watch?v=1pcAsEUOW9Q]

[Andy] wrote in to show us how he hacked his Pleo to be controlled by a Wii Nunchuck. He has installed Xbee units for the communication as well as written a “skit” that allows the Pleo to just stand there and wait for commands. He is using an Arduino to interpret the Nunchuck input and send it to the Pleo. It’s a pretty cool proof of concept, but the response time is pretty slow. This might be due to the Arduino’s slower serial communication rate.  Yes, we said you might want to refrain from hacking them, due to their impending extinction, but did you expect us to stick to that? If you’re going to dig into one, you may also be interested in how to hack the Pleo for face recognition and remote control.