h bridge with pwm


Posted on Feb 5, 2014

This circuit drives a motor clockwise / anticlockwise via a pot and reduces the speed to zero when the pot is in mid-position. The current is limited to 200mA and the voltage across the motor is less than 6v, but the circuit shows the principle of Pulse Width Modulation (providing powerful bursts of current to the motor to create a high or low RPM


h bridge with pwm
Click here to download the full size of the above Circuit.

under load) and both forward / reverse RPM via the H-bridge arrangement.




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