If we had to imagine our dream DIY project chances are it would involve Arduino, Twitter and, of course, cats. How we'd combine those things we're not sure, but we'll admit to being big fans of Samuel Cox's eSleeper, which turns a hollowed-out eMac into a bed for his feline. Inside the shell is an Arduino Ethernet connected to an IR sensor, some LEDs and a sound shield. When the cat breaks the infrared beam it triggers the iconic Mac chime and turns on a series color-shifting LEDs for a little mood lighting. From there the clock starts ticking. When
