// digital pin 12 has a pushbutton attached to it. Give it a name:
int pushButton = 12;
int LED = 3;
// the setup routine runs once when you press reset:
void setup() {
// initialize serial communication at 9600 bits per second:
Serial.begin(9600);
// make the pushbutton's pin an input:
pinMode(pushButton, INPUT);
pinMode(LED, OUTPUT);
}
// the loop routine runs over and over again forever:
void loop() {
// read the input pin:
int buttonState = digitalRead(pushButton);
// print out the state of the button:
if (buttonState == HIGH) {
digitalWrite(LED, HIGH);
Serial.print("Pushbutton is pressed. Value is : ");
Serial.println(buttonState);
delay(1); // delay in between reads for stability
}
else {
digitalWrite(LED, LOW);
}
}