Write an Android app to control an LED light shirt. The app communicates to an ATmega128 via a BlueSMiRF Bluetooth transceiver. The microcontroller outputs data on the SPI to daisy-chained shift-register-controlled constant-current regulators driving RGB LEDs.
Author: Michael Kane
How I turned my old broken guitar into a speaker.
Author: Daniel McGregor
Slow day at work? Want to turn your mouse into a cool practical joke? Make this vibrating mouse and have some fun with your co-workers.
Author: Gene Bergmann