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Thread: Teensy 4.0: Access to second LED?

  1. 10-03-2019, 09:36 AM #1
    Hacky
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    Teensy 4.0: Access to second LED?

    When Teensy 4.0 is going to be programmed through Teensyduino, you can see a little red LED flickering.

    Ist it possible to control this LED by my own code, like the other LED on pin 13?
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  2. 10-03-2019, 10:22 AM #2
    PaulStoffregen
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    No, sorry, that red LED is not connected to any pin on the main chip.

    Here's the schematic.

    https://www.pjrc.com/teensy/schematic.html
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