No documentation, there is a jumper behind the Out2 pin, what is that for? I "assume" that ENA and ENB are enable pins, but what happens if you remove the jumper? Then we have IN1, IN2, IN3 and IN4 pins without jumpers, so what are they for? They are "probable" for a stepper drive, so where does the pulse go and what about microstepping? A little documentation will go a long way! Ralph
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