int button = 27;
int LED = 14;
bool buttonState = 0; //start at off
 
void setup() {
  //put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(button, INPUT_PULLUP);
  pinMode(LED, OUTPUT);
  Serial.println();
  Serial.println();
  Serial.println("*** Toggle the Green button to On/Off light ***");
}
 
void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(button) != 1) {
    buttonState = !buttonState;
 
    if (buttonState == 1) {
      digitalWrite(LED, HIGH);
      Serial.println("*** Light On ***");
    } else{
        digitalWrite(LED, LOW);
        Serial.println("*** Light Off ***");
    }
    delay(100);
    while (digitalRead(button) != 1){
      delay (100);
    }
  }
}