When the program has been downloaded into the arduino, so, I see the serial monitor, and I don't understand, why the rotary encoder always count up when I rotate to different direction, If I rotate to the right, it will count up, and if I rotate to the left, it will give a same thing. Serial.print("Index:") Serial.print(encoder0Pos, DEC) If you are using the encoder as an input to more than 1 controller, use a signal amplifier. Use an Open Collector or Differential Line Driver output with a differential receiver (PM28S00) so that the maximum amount of current can be sink/sourced. Check each second for change in position For example, if the encoder will output 5 to 24 volts, then use 24 volts. I have programmed it with this code, This code I got from this link: So we have to pay more attention to encoder working place. Vibration acting on an encoder always cause wrong pulse easily. The model of rotary encoder is E50S8-3600-3-T-24, Totem pole output Z48 rotary encoder module external diameter 48mm hole 8mm customizable. Hi guys, I have problem when reading rotary encoder with arduino UNO, I have Autonic rotary encoder series, and it is totem-pole type.
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