DC motor speed control circuit diagram of a song

Circuit can be used to control low power DC motor, series motor or shunt motor speed and direction. Motor and rectifier bridge G1 series, and then connected to the grid transfo

rmer secondary winding n2. If the output of the rectifier bridge fails, the motor stops, which is equivalent to the sliding contact potentiometer Rp in the middle position, if the upward or downward movement of the sliding contact, the motor will forward or reverse, it can control the motor operation.

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