void setup() {
  // put your setup code here, to run once:
  pinMode(8, INPUT);
  pinMode(10, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  int switchState = digitalRead(8);

  if(switchState == 0)
  {
    digitalWrite(10, HIGH);
    Serial.println("Switch ON, LED ON");
  }else{
    digitalWrite(10, LOW);
    Serial.println("Switch OFF, LED OFF");
  }
}