int led = 13;
int pb = 7;
int nilaipb = 0;

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

}

void loop() {
  // put your main code here, to run repeatedly:
  nilaipb = digitalRead(pb);
  if(nilaipb == 1){
    digitalWrite(led, 1);
    Serial.println("lampu sedang hidup");
  }
  else{
    digitalWrite(led, 0);
    Serial.println("lampu sedang mati");
  }


}