He hooks up the SN754410 to two motors, giving him speed and direction control for both based on the duty cycle of a PWM signal entering the chip for less than $2.50.

It’s an excellent way to learn about both PWM motor control and the use of 555 timers, all with a very low parts cost and readily available components. We’ve seen such setups before, used as ...

Controlling Brushed DC Motors Using PWM (.PDF Download) July 20, 2020 Many applications using miniature brushed DC motors require motors to operate at more than one load point or through specific ...