I have a very simple sketch that should be writing to the serial monitor, but nothing is appearing there. int ledPin = 13; void setup() { Serial.begin(9600); pinMode(ledPin, OUTPUT); } void loop() { digitalWrite(ledPin, HIGH); delay(1000); digitalWrite(ledPin, LOW); delay(200); Ser…

Serial monitor not working

oqibidipo May 20, 2018, 12:36pm 2

Try SerialUSB instead of Serial.

Serial is the programming port on Zero and M0 Pro. M0 does not have it.
The native USB port is SerialUSB.

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