Hello, I have a problem measuring speed of dc motor with encoder. Optical encoder triggers interrupt on every pulse (4 pulse per one rotation of shaft) which calculates angular speed of motor, but speed remains constant all the time (it' zero or 5600). I have to measure speed of 2 dc motors with 2 …

Encoder interrupt problem

system May 22, 2014, 5:18pm 2

Post a photo of your circuit wiring.

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