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Differential drive robots operate with two motorized wheels doing all of the propulsion and steering, with additional wheels serving only to maintain balance. It’s an easy way to make a robot without having to create a steering mechanism.

Guilherme Martins programmed a differential drive simulator in Processing that lets you steer a simulated robot around your screen while recording the (simulated) motor encoders’ data, so you could drive a robot on screen, then program the robot to follow the precise path in real life.

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net


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