//pembuat program: Ahmad faisal nurtopo
// NIM: 20190130018
#define ECHO_PIN 26    
#define TRIG_PIN 27

void setup() {
  Serial.begin(115200);
  pinMode(22, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(15, INPUT);
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
}

float readDistanceCM() {
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(ECHO_PIN, HIGH);
  return duration * 0.034 / 2;
}
void loop() {
    digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(ECHO_PIN, HIGH);
  float distance = duration * 0.034 / 2;

  Serial.print("Jarak: ");
  Serial.print(distance);
  Serial.println(" cm");
  delay(1000);
  if(digitalRead(15) == 1){
    digitalWrite(22, HIGH);
    digitalWrite(5, HIGH);
    delay(5000);
  } else {
    digitalWrite(22, LOW);
    digitalWrite(5, LOW);
  }
  if(distance < 23){
    digitalWrite(22, LOW);
    digitalWrite(5, HIGH);
    delay(5000);
    digitalWrite(22, LOW);
    digitalWrite(5, LOW);
  } else {
    digitalWrite(22, LOW);
    digitalWrite(5, LOW);
  }
    if(distance > 40){
    digitalWrite(22, HIGH);
    digitalWrite(5, LOW);
    delay(5000);
    digitalWrite(22, LOW);
    digitalWrite(5, LOW);
  } else {
    digitalWrite(22, LOW);
    digitalWrite(5, LOW);
  }
}