int tragPin = 13;
int echaPin = 12;
int ladPin = 11;//kabel putih

int trigPin = 10;
int echiPin = 9;
int lidPin = 8;//kabel biru

int trugPin = 7;
int echuPin = 6;
int ludPin = 5;//kabel kuning

long duration, cm, inches;

void setup() {
 
  pinMode(tragPin, OUTPUT);
  pinMode(echaPin, INPUT);
  pinMode(ladPin, OUTPUT);

  pinMode(trigPin, OUTPUT);
  pinMode(echiPin, INPUT);
  pinMode(lidPin, OUTPUT);

  pinMode(trugPin, OUTPUT);
  pinMode(echuPin, INPUT);
  pinMode(ludPin, OUTPUT);

}

void loop() {
  digitalWrite(tragPin, LOW);
  delayMicroseconds(5);
  digitalWrite(tragPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(tragPin, LOW);
  pinMode(echaPin, INPUT);
  duration = pulseIn(echaPin, HIGH);
  cm = (duration/2) / 29.1;
  inches = (duration/2) / 74;
  if (cm < 100)
  {
    digitalWrite(ladPin, LOW);
  }
  else {
    digitalWrite(ladPin, HIGH);
  }

   digitalWrite(trigPin, LOW);
  delayMicroseconds(5);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  pinMode(echiPin, INPUT);
  duration = pulseIn(echiPin, HIGH);
  cm = (duration/2) / 29.1;
  inches = (duration/2) / 74;
  if (cm < 100)
  {
    digitalWrite(lidPin, LOW);
  }
  else {
    digitalWrite(lidPin, HIGH);
  }

   digitalWrite(trugPin, LOW);
  delayMicroseconds(5);
  digitalWrite(trugPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trugPin, LOW);
  pinMode(echuPin, INPUT);
  duration = pulseIn(echuPin, HIGH);
  cm = (duration/2) / 29.1;
  inches = (duration/2) / 74;
  if (cm < 100)
  {
    digitalWrite(ludPin, LOW);
  }
  else {
    digitalWrite(ludPin, HIGH);
  }

}