Hey Ken, thanks for the photos! I always love to SEE peoples projects.

So the original control circuitry is clearly all sealed up, so it looks you can't hack into it and use any of it's electronics when yer buggy is under PIC control. No problem, I was just curious.

FWIW, here's a simple circuit that uses a MOSFET to drive a motor and a DPDT relay for direction control. You would need one PIC pin to PWM a signal to the MOSFET for speed control, and one pin to drive the relay coil. Of course, depending on how much current your relay draws, you may need another MOSFET or bipolar transistor to drive the relay coil. And a protection diode across the coil always...

Anyway, that would give you speed and direction control on your motor.




steve