On 05 Mar 2015, at 19:57, Adriaan van Os wrote: > > It's a very smal project but I do need to drive one or two stepper motors. > What I learnt is that that the board does the controlling and that there is a > separate chip for driving the motor, e.g. for stepping and microstepping ?
Stepping and microstepping can easily be implemented in the microcontroller itself, like you say. The reason you need an extra chip is the need for some power transistors arranged in a bridge configuration, something similar to the L298 or L293D, to name some popular IC's. -- Ewald _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
