Hello. I have recently tried reading in a quadratuer input with the ardunio uno. I wrote software which sucessfull was able to read the A,B inputs and convert them to the amount of clicks the encoder had traveled. However, I have a problem in that the uno only has two interupts. My software requires…

Reading Quadrature input Encoder;Synchrous Logic

system June 23, 2011, 6:53pm 4

But how can I tell when the B input changes?? A change in "A" does not nessarly mean a change in "B"?

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