Speed sensors

"OK, so what's the speed of dark?"

RPM sensors: Tachometers

See also:

• http://www.ezy.net.au/~fastvid/encoder.htm (cached 20010413100503) Roman Blacks notes on using the back EMF spikes from the commutation in a DC motor for speed feedback.

Motor Regulation

Position Sensors

Interested:

Questions:

• kara_goktug@yahoo.com asks: " ý want to know how to get speed feedback with slotted opto sensor from a small DC motor.can you help me? "