Answer / Himanshu Bisht

Interfacing a microcontroller with a DC motor typically involves using a H-bridge circuit. Here's a simplified setup:n
1. Connect the DC motor's terminals A and B to two output pins of the microcontroller through transistors (NPN for forward direction, PNP for reverse direction).
2. Add diodes across the transistors to prevent back-EMF from damaging them.
3. Provide a power supply to the DC motor (e.g., 12V battery).
4. Use software on the microcontroller to control the timing of the transistor switches and thereby controlling the direction and speed of the motor.

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