[fpc-pascal] FPC embedded ? (going slightly off-topic)
ewald at yellowcouch.org
Thu Mar 5 20:28:39 CET 2015
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.
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