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Motor Speed Controller Using Transistor Circuit Diagram

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Publish time:09-30-2021
DC motor is a device that converts electrical energy into mechanical energy by rotating its shaft. Sometimes we need minimum rotations and sometimes we need maximum rotation in a DC Motor. So for this problem we use a motor speed controller to adjust the speed of a motor. We create this circuit only by using a transistor we don't use any IC here. What is Motor Speed Controller? Motor speed controller it's such a circuit through which you can easily control the speed of a DC motor. Through this controller, you can smoothly adjust the motor speed. Simply have to rotate a potentiometer that generates the PWM signal using a transistor and control your motor speed. In the circuit, we don't use any IC and microcontroller we only use a couple of transistors to make this circuit which you can easily found old circuits. Components Needed: 1) Bd139 and Bd140 Transistor 2) 100uf capacitor 3) 22k, 47Ohm, 220Ohm Resistance 4) 10k Potentiometer
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Captain O Captain
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