![]() While this kind of setup is good for ‘static’ applications like a miniature windmill or fan, when it comes to a ‘dynamic’ application like robots, more precision is needed – in the form of variable speed and torque control. This kind of motor is optimized for low voltage operation from two 1.5V cells.Īnd running it is as simple as connecting it to two cells – the motor fires up instantly and runs as long as the batteries are connected. The most common type of motor you might come across in hobbyist circles for low power applications is the 3V DC motor shown below. Here we will discuss one of the most commonly used and efficient way to drive DC motors - H-Bridge circuit. ![]() But this is not the perfect way to drive a motor especially when there are other components involved in the circuit. At the outset driving a motor might seems like an easy task – just hook the motor up to the appropriate voltage rail and it will start rotating.
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