#define pinSwitch 13
#define pinRelay 15
void setup() {
Serial.begin(9600);
pinMode(pinSwitch, INPUT_PULLUP);
pinMode(pinRelay, OUTPUT);
}
void loop() {
int nilaiSwitch = digitalRead((pinSwitch));
if(nilaiSwitch == 0){
digitalWrite(pinRelay, HIGH);
Serial.print("Relay ON, ");
Serial.println("Relay Normally Open (NO)");
}
else{
digitalWrite(pinRelay, LOW);
Serial.print("Relay OFF, ");
Serial.println("Relay Normally Close (NC)");
}
}