electromagnet 02

//electromagnet test 01 
int onBtn = 2; 
int btnState = 0; 
int mag = 9; 
int led = 13; 

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin 13 as an output.
  pinMode(mag, OUTPUT);
  pinMode(led, OUTPUT);
  pinMode(onBtn, INPUT);
  Serial.begin(9600);
}

// the loop function runs over and over again forever
void loop() {
  btnState = digitalRead(onBtn);
  Serial.println(btnState);
  
  if (btnState == 1){
       digitalWrite(mag, HIGH); 
       digitalWrite(led, HIGH);     
    }else{
      digitalWrite(mag, LOW);    // turn the LED off by making the voltage LOW
      digitalWrite(led, LOW); 
    }
delay(1);
}