Free Elektor Article: Precision Control for DC Motors

This control circuit will provide the correct rotational speed and direction of a 12-V DC motor. Nothing special in that? But there is definitely, when you consider the multitude of potential options for actuating the motor. You can adjust the speed manually with a potentiometer (‘pot’), using a DC voltage level between 0 and 5 (or 10 V) or even digitally using I²C.

Go to the article page and download a pdf copy of this back article. Downloading is free to all Elektor e-zine subscribers.

Original publication: Elektor magazine 3 / 2016 (May & June).