![]() ![]() To supply this voltage/current from the microprocessor to the motor, we need a Motor driver between our motor and controller.Īn H-Bridge driver is quite popular in driving loads such as brushed DC motors and it is widely used in robotics and industry. But we know that microprocessor output is low, and it cannot give enough power from its I/O pin to drive a motor. In this case, if we want to supply the power to the motor, we need a high voltage. As Arduino microcontrollers or PIC microcontroller has an operating voltage of 5V or 3.3V, a decent DC motor requires 5V or 12V to operate. In this tutorial, we are going to make an “H-Bridge Motor Driver Circuit L293D”.Ī motor is the most commonly used actuator in an electronic device/machine.
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