Detect switch on digitalread

Posted on June 1, 2012 by ellen

const int buttonPin = 3; 
int buttonState = 0;    
 
void setup() {
  Serial.begin(9600);   
  pinMode(buttonPin, INPUT);     
}
 
void loop(){
  buttonState = digitalRead(buttonPin);
  Serial.println(buttonState);
}

2 thoughts on “Detect switch on digitalread”

MAS3 on February 23, 2013 at 22:59 said:

This switch doesn’t work this way, use the info in Fritzing to find that you always need to use the center pin.

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ellen on February 24, 2013 at 10:32 said:

Thank you MAS3! I have changed the sketch and switch now!

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