In this case, they’re being used to create a basic PWM motor controller. The trick is to set the 555 up in astable mode, and use diodes and a potentiometer in the charge/discharge loop.

This DC servo motor controller can also be used with an external potentiometer or the integrated on board potentiometer. For applications with existing PWM signals available this can also be used ...

En route to getting the off-the-peg DC-51 motor speed controller to better suit my small ... The variable speed set point is provided by the 10kΩ speed control potentiometer on the front panel of the ...

Diodes has created a servo motor controller, complete with H-bridge mosfets and provision for potentiometer position feedback, for brushed dc motors in automotive manual headlight beam servos and ...

[Frank Herrmann] had an interesting idea to turn a geared DC ... motor rotation and listen on the ‘stepper motor driver’ interface pins hooked up to the motion controller upstream. The Arduino ...

Kollmorgen, a subsidiary of Danaher Corp, manufactures the 24V, 300WBLDC (brushless-dc ... come offthe motor, and you feed 24V power to the thicker wires. The motor’s thin harness allowsyou to connect ...