hi, im having troubles regarding the serial monitor cause it shows infinite outputs of high and low i have this simple code: int forwardPin = 12; void setup() { Serial.begin(9600); pinMode(forwardPin, INPUT); } void loop() { int forwardState = digitalRead(forwardPin); if (forwardState == …

Serial monitor infinite output

Arrch January 27, 2013, 7:08pm 6

Sounds like floating pin syndrome.

Enable the internal pull-up resistor on the pin.