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    Follow up. When used as a serial RX, there is...

    Follow up.

    When used as a serial RX, there is no need for specifying an internal pull-up.

    In my case D0 (RX1).

    ie: pinMode(0, INPUT_PULLUP)

    In fact, having this causes the serial RX to...
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    Thank you for the answer. I'm aware of the pin...

    Thank you for the answer.

    I'm aware of the pin direction being set when used as a serial port.
    It's whether the RX port was going to be left floating, or not, when D0 was being used as serial...
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    Hi Paul Does this hold true for the Teensy LC's...

    Hi Paul
    Does this hold true for the Teensy LC's D0 (which I'm using as a serial receive RX1)?
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    I added Tapatalk years ago to a (phpBB based)...

    I added Tapatalk years ago to a (phpBB based) Forum I ran.
    Was easy to implement, and made the forum a lot more useful.

    Can you please consider implementing Tapatalk with this forum.
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