Wii Fit Balance Board Controls Robot


More Wii Fit Balance Board hacks keep rolling in from Europe. We’re not sure we agree with [Juan Gonzales]’s assertion that the Wii Fit Balance board is the best way to control robots, but we can’t deny how fun it looks. [Gonzales] managed to control a robot of his own design with the balance board, making it turn when he leans to the sides and moving forward and back when he leans in those directions.

The robot, which he calls SkyBot, is fairly impressive in its own right, built from a PIC microcontroller and featuring various infrared sensors and 6 contact sensors. The robot’s OS can be controlled from Windows, OS X, or Linux, but for this project, they used Debian. The balance board interfaces with a laptop connected to SkyBot; custom software (tar.gz file) to make this work was written in python, and is available on [Gonzales]’s robot wiki, as well as instructions on how to build a SkyBot. It is in Spanish, however, so fire up Google Translate and get to work.

[via Balance Board Blog]

Wireless Arcade Stick


[astralpancakes] wireless arcade stick project looks like a great place to start if you want a simple project. Well constructed arcade sticks can cost $100+, but with all the MAME cabinet builders, the parts have become easy to acquire. The stick has a rigid wooden case with a metal faceplate. All of the component connections are soldered to the pads of a Logitech wireless controller. [astralpancakes] built this specifically to play Street Fighter III: 3rd Strike.

GetLoFi’s Dub Siren


GetLoFi has always been one of our first stops when looking for circuit bending fun. Their latest project is building this simple dub siren from a noise making key chain. Dub sirens or rasta boxes are a signature sound in dub reggae. The base of this project is an eight sound keychain. Each pad is wired to an eight position selector switch. The pitch resistor is replaced with a linear pot. One push button is used to replace the original eight and another is used for mute. Plug the 1/4inch jack into a delay pedal and you’re ready to rock. Check out the video below to see this particular box in use.

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Make A Universal Macbook Air Superdrive


For $99, Apple will happily sell you a slick USB superdrive (aka DVD burner) that only works with the MacBook Air. [tnkgrl] swapped out the USB-IDE interface with a generic $9 unit to make it work with everything else. The generic board required a few mods: relocating the crystal oscillator along with the amputation of its daughter-board that carried an external power connector, usb connector and some caps.

Always On USB Charge Port


This simple and clever guide to installing an always on USB port comes from the Team Hack-a-Day forums (originally created for the team’s Folding@home efforts). [Cerberus] added a USB port to his computer case that always has power, even when the computer is off. The power comes from the +5VDC standby line in the motherboard connector. You can use this new port to charge any USB based device.

Add A Second Internal Hard Drive To Your Laptop


[Andrew] sent in something we’ve been considering for our 17 inch Dell. He squeezed a 100GB PATA notebook drive into the spare space in his Compaq laptop. He used a USB interface to provide the connection and added a toggle switch to conserve power when he doesn’t need the drive spun up. The mod would be even nicer if you added a keyboard activation switch like [sprite_tm]’s keyboard light.