This is a tiny little IR detection robot built by [lumi]. It can explore around, avoid obstacles and make beep sounds when detects a object. original post from http://letsmakerobots.com/node/31848 It uses ATTiny85 chip as it’s brain, and it uses L293D chip to drive the two small gear motors. The power source is just one 3.7V/200mAh LiPo battery. ...read more
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