| /* |
| DigitalReadSerial |
| Reads a digital input on pin 2, prints the result to the serial monitor |
| |
| This example code is in the public domain. |
| */ |
| |
| // digital pin 2 has a pushbutton attached to it. Give it a name: |
| int pushButton = 2; |
| |
| // 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); |
| } |
| |
| // 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: |
| Serial.println(buttonState); |
| delay(1); // delay in between reads for stability |
| } |
| |
| |
| |
