#define LED1 22
#define SWITCH1 18 
void setup() {
  pinMode(LED1, OUTPUT);
  pinMode(SWITCH1, INPUT_PULLUP);
  Serial.begin(9600);
}
void loop() {
  int buttonstate=digitalRead(SWITCH1);
  if (buttonstate == 0){
    digitalWrite(LED1, HIGH);
    Serial.println("Swithch ON, LED ON");
  }
  else if (buttonstate ==1){
    digitalWrite(LED1,LOW);
    Serial.println("Swith OFF, LED OFF");
  }
}