CNC Driver with PIC16F870

This driver may be used for a 3 Axis CNC Machine. Based on the PIC16F870, for 3x Unipolar(5, 6 or 8 wire) Stepper Motors. It provides Full Stepping for good torque, with ability to toggle auto-shutdown of motor coils, which allows the motors and current regulation device to run cooler and require a lower output power supply. Most simple CNC drivers will leave the last coil stepped turned On, wasting current and producing heat. Connects via parallel port, with Opto-Isolators for PC protection.

CNC Driver with PIC16F870

Source: ChromationSystems

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