Little IR Detection Robot – EL2ISA2

Little IR Detection Robot - EL2ISA2
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. ...

Very Fast Micro Sumo Robot 1

Very Fast Micro Sumo Robot
This is a small size Micro Sumo robot built by [-Gary] on Let’s make robot. This robot is so fast it often runs out of the ring! It’s got IR sensors that detect objects, and black lines on the ground. It can push object while keeping itself inside a black ring. Original post from : http://letsmakerobots.com/node/21895 ...