Mega Monitor
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![Nano Every] Incorrect RX/TX pin placement? · Issue #48 · arduino/ArduinoCore-megaavr · GitHub](https://user-images.githubusercontent.com/3238730/63286501-76896e80-c2b8-11e9-8618-d519f7a419f1.png "Nano Every] Incorrect RX/TX pin placement? · Issue #48 · arduino/ArduinoCore-megaavr · GitHub")
Nano Every] Incorrect RX/TX pin placement? · Issue #48 · arduino/ArduinoCore-megaavr · GitHub
how use pin rx tx to on off ( high low ) an relay or led - IDE 1.x - Arduino Forum
