Sunday, December 28, 2008

Lego Ball Balancing Machine

I build this ball balancing contraption to teach myself about micro controllers and control loops. It used a ATmega8 micro controller and a usual servo motor found in RC cars. I used BASCOM-AVR to program a PID control loop onto the chip. The metal ball is rolling on the touch sensitive part of a touchscreen (i got from an old "palm" handheld).

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