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Thread: Teensy 3.6 Encoder Pin sensitivity issue.

  1. #1
    Junior Member
    Join Date
    May 2020

    Teensy 3.6 Encoder Pin sensitivity issue.

    I have programmed Teensy 3.6 for driving stepper drives using hand wheels encoder.
    But It was worked a while. Pin sensitivity or noise issue making the trouble.
    After sometimes it start generating noise and motor run by itself. I have checked the encoder self counting when other stepper drive power on. But if I disconnect the hand wheel encoders noise stopped. when encoder disconnected self counting stop. But, when moving disconnected encoder cables from the teensy board, it count again. when I start a dc motor not even conected to same circuit same story.
    Is there any suggestion to get rid of the sensitivity issue?
    Kind Regards

  2. #2
    Junior Member
    Join Date
    May 2020
    Click image for larger version. 

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    I have solved the sensitivity issue with using these simple filter circuit with 4 piece 10 k resistor without capacitor.

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