Unipolar Step Motor driver circuit up to 20A. It works with maximum power 20A, Maximum 100V, Over temperature protection, Half step and full step operation. Unipolar Stepper Motor Driver circuit L297 integrated on L297 integrated circuit is powered by... Electronics Projects, 20 Amps Unipolar Stepper Motor Driver "motor control circuit, motor driver circuit, " Date 2020/04/02