WZ Micro Stepper Driver Boards
These are boards that I have used in the past. The boards were (and may still be)
available from WZ Micro.
Some of the drawings are still in the "Projects" section on their site.
Motor Driver Board with 8031 Larger Image
Stepper Controller - L297/L298
RF PWM Dual DC Motor Controller
MD1 Stepper Driver using UCN5804
MD2 Motor Driver Board with 8031
MD3 Bipolar Chopper Motor Drive
MD4 Dual Stepper Controller Board
PWM DC Motor Controller with SG3525
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