Hello, I am writing a code to control led with Push Button and Serial communication. When I press push button led is on. Then I want to send "R" through serial monitor and led should be off. But the strange thing is that when I only open serial monitor then led is off :o . It doesn't wait for "R". I…

Combining push button and Serial.read to make led on and off.

knut_ny September 19, 2016, 8:01pm 2

You enter a loop with no exit..
May use the break-statement to exit?

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