Watch this video on YouTube. The interesting Arduino project is equipped with four electret microphones that sense the sound of the bouncing ball using the time difference between the sounds to ...

Watch the freaky creation in action after the jump. The Arduino Black floating ball project is equipped with a battery-powered Arduino Adafruit Wave Shield in order to record and playback audio on ...

This little hack project by Kellbot of NYCResistor takes a rolling ball, an optical mouse, a gutted PS2 controller, and some Arduino hacking and makes it into a working (and awesome) virtual Katamari.