int pb = 13;
int merah = 12;   // red
int biru = 11;    // blue
int hijau = 10;   // green
int statpb;

void setup() {
  Serial.begin(115200);
  pinMode(merah, OUTPUT);
  pinMode(biru, OUTPUT);
  pinMode(hijau, OUTPUT);
  pinMode(pb, INPUT);
  Serial.println("Program Tombol re-written");
}

void loop() {
  statpb = digitalRead(pb);
  if (statpb == HIGH) {
    digitalWrite(merah, HIGH);
    digitalWrite(biru, HIGH);
    digitalWrite(hijau, HIGH);
    Serial.println("PB On");
  }
  else {
    digitalWrite(merah, LOW);
    digitalWrite(biru, LOW);
    digitalWrite(hijau, LOW);
    Serial.println("PB Off");
  }
  delay(100);
}