Stepper Motor Amplifier

288

02:02:54

Input is 1VAC from the frequency generator coil from  a unipolar Stepper Motor. For Bipolar Stepper Motor feed the outputs to a dual H bridge. 

speed is governed directly by the input frequency.   Power will need to be tuned with a current shunt or PWM to depending on frequency, motor load etc. 

To change direction, swap two complementary outputs; DPDT switch is handy for that.

published 12 years ago

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