int PB1 = 12;
int PB2 = 13;
int Lampu1 = 2;
int Lampu2 = 21;
int Lampu3 = 14;
int Lampu4 = 19;
int Lampu5 = 4;
int Lampu6 = 18;
int Lampu7 = 5;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(PB1, INPUT);
  pinMode(PB2, INPUT);
  pinMode(Lampu1, OUTPUT);
  pinMode(Lampu2, OUTPUT);
  pinMode(Lampu3, OUTPUT);
  pinMode(Lampu4, OUTPUT);
  pinMode(Lampu5, OUTPUT);
  pinMode(Lampu6, OUTPUT);
  pinMode(Lampu7, OUTPUT);
  // Serial.println("Hello, ESP32!");
}

void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(PB1)==HIGH){
    digitalWrite(Lampu1, HIGH);
    digitalWrite(Lampu1, LOW);
    delay(200);
    digitalWrite(Lampu2, HIGH);
    digitalWrite(Lampu2, LOW);
    delay(200);
    digitalWrite(Lampu3, HIGH);
    digitalWrite(Lampu3, LOW);
    delay(200);
    digitalWrite(Lampu4, HIGH);
    digitalWrite(Lampu4, LOW);
    delay(200);
    digitalWrite(Lampu5, HIGH);
    digitalWrite(Lampu5, LOW);
    delay(200);
    digitalWrite(Lampu6, HIGH);
    digitalWrite(Lampu6, LOW);
    delay(200);
    digitalWrite(Lampu7, HIGH);
    digitalWrite(Lampu7, LOW);
    delay(200);
  }
    else {
      digitalWrite(Lampu1, LOW);
      digitalWrite(Lampu2, LOW);
      digitalWrite(Lampu3, LOW);
      digitalWrite(Lampu4, LOW);
      digitalWrite(Lampu5, LOW);
      digitalWrite(Lampu6, LOW);
      digitalWrite(Lampu7, LOW);
    }
  if (digitalRead(PB2)==HIGH){
    digitalWrite(Lampu7, HIGH);
    digitalWrite(Lampu7, LOW);
    delay(200);
    digitalWrite(Lampu6, HIGH);
    digitalWrite(Lampu6, LOW);
    delay(200);
    digitalWrite(Lampu5, HIGH);
    digitalWrite(Lampu5, LOW);
    delay(200);
    digitalWrite(Lampu4, HIGH);
    digitalWrite(Lampu4, LOW);
    delay(200);
    digitalWrite(Lampu3, HIGH);
    digitalWrite(Lampu3, LOW);
    delay(200);
    digitalWrite(Lampu2, HIGH);
    digitalWrite(Lampu2, LOW);
    delay(200);
    digitalWrite(Lampu1, HIGH);
    digitalWrite(Lampu1, LOW);
    delay(200);
  }
    else {
      digitalWrite(Lampu7, LOW);
      digitalWrite(Lampu6, LOW);
      digitalWrite(Lampu5, LOW);
      digitalWrite(Lampu4, LOW);
      digitalWrite(Lampu3, LOW);
      digitalWrite(Lampu2, LOW);
      digitalWrite(Lampu1, LOW);
    }
  // delay(10); // this speeds up the simulation
}