DIY Projects

HOW TO – Make a DVD-thermometer

HOW TO – Make a DVD-thermometer

Great project, based on the temperature the DVD player will show a different music/track/video/image – the Maker, Alberto Ricci Bitti, writes – “I made the DVD-thermometer at home, for the fun of doing it, with no special tools other than a soldering iron, a multimeter, a PC with ordinary CD-R burner, and the Motorola QT […]

Ultrasonic range finder

Ultrasonic range finder

Jeez, Spark Fun has another spiffy part I really want to tinker with, an ultrasonic range finder – “The EZ1 Range Finder is surprisingly simple to use, and astonishingly accurate. Point it at a wall, find out how many inches you are away. Point it at your hand, find out just how long your arms […]