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Author: Dhananjay Gadre and Rajaram Kharoshe

The AT90S8515 microcontroller-based Microstepper Motor Controller can handle four-wire bipolar stepper motors with up to 1-A phase currents and 30-V power supplies. This project achieves 256 microsteps per step, which is approximately 50,000 steps per revolution. [source]

Microstepper Motor Controller - [Download Project] [View Abstract]

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