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    Teensy LC Digital pin10 is not detecting rising/falling edge of 60hz input pulse

    Thanks Kurt! Yes that is how I had tested that way with a USB To Serial module and use Serial1 to pins 1 and 2 on the Teensy 4.1 module. Thanks for the additional info. I'm new to this forum and still need to learn some C programming language. Update: I have now tested both versions with...
  2. F

    Teensy LC Digital pin10 is not detecting rising/falling edge of 60hz input pulse

    The problem lies with "Serial.begin(9600);" KurtE's last example should work, there are fewer chars, but Paul's example in #3 contains too many characters to serial print @ 60Hz input puls. With 115200 baud rate, you get to just above 80Hz.
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