I've read that I can't use Nano pins 1 and 0 if I also want my sketch to use serial but what if I only want to use pin 0 (which is meant for the Arduino to receive serial data) and transmit data from the Arduino to the serial monitor? Does the Arduino still need to receive data from my PC even if I …

[image] badrequest: Then I could put a button input on pin 0 and still do my debugging. pinMode( 0, INPUT_PULLUP); Serial.begin(115200); I just did a quick test with a push button connected to pin 0 and ground with these lines in setup. Code appears to download with this configuration, the …

Can I use pin 0 and still get messages on serial monitor?

Projects General Guidance

anon77129126 September 16, 2021, 3:32pm 4

I believe you can use the 0 pin as normal, but not the 1 pin.

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Can I use pin 0 and still get messages on serial monitor?

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