I found that I cannot push button to make the led light when there is serial.read() or mySerial.read() there. #mySerial is software serial I want to do this: Board A push button and send sign to Board B Board B get the sign and flash orange light Board B wait for the button push if Board B but…

In the first code, everything is inside the if (mySerial.available() > 0) so nothing can happen till there is serial available. Separate the reading of serial data from the reading the button. Like so: void loop() { if (mySerial.available() > 0) { mySerial.listen(); val = mySer…

Button is not working when serial is reading?

Projects Programming

9manloon November 8, 2021, 6:55am 7

I just want the button back to "up".

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Button is not working when serial is reading?

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