#define Lampu_LED_Merah 14
#define Lampu_LED_Biru  13
#define Lampu_LED_Kuning 12
#define LDR 27



void setup() {
  pinMode(LDR, INPUT);
  pinMode(Lampu_LED_Merah, OUTPUT);
  pinMode(Lampu_LED_Biru, OUTPUT);
  pinMode(Lampu_LED_Kuning, OUTPUT);
  Serial.begin(115200);
  Serial.println("Program akan berjalan");
}

void loop() {
  
  int Nilai_LDR = analogRead(LDR);
  Serial.print("Nilai Flux LDR = ");
  Serial.print(Nilai_LDR);

  if(Nilai_LDR >= 100 && Nilai_LDR < 400){
    Serial.println("=> Merah");
    digitalWrite(Lampu_LED_Merah, HIGH);
    digitalWrite(Lampu_LED_Biru, LOW);
    digitalWrite(Lampu_LED_Kuning, LOW);
  } else if(Nilai_LDR >= 400 && Nilai_LDR < 1000){
    Serial.println("=> Biru");
    digitalWrite(Lampu_LED_Biru, HIGH);
    digitalWrite(Lampu_LED_Merah, LOW);
    digitalWrite(Lampu_LED_Kuning, LOW);
  } else if(Nilai_LDR >= 1000 && Nilai_LDR < 10000){
    Serial.println("=> Kuning");
    digitalWrite(Lampu_LED_Kuning, HIGH);
    digitalWrite(Lampu_LED_Biru, LOW);
    digitalWrite(Lampu_LED_Kuning, LOW);
  } else{
    digitalWrite(Lampu_LED_Merah, LOW);
    digitalWrite(Lampu_LED_Biru, LOW);
    digitalWrite(Lampu_LED_Kuning, LOW);
  }

}