#define LED_RED 13
#define LED_BLUE 12
#define LED_YELLOW 14
#define LDR 27
#define NILAI_LDR 500


void setup() {
 pinMode(LED_RED, OUTPUT);
 pinMode(LED_BLUE, OUTPUT);
 pinMode(LED_YELLOW, OUTPUT);
 Serial.begin(115200);
 Serial.println("Percobaan Nilai Indikator pada LED");
}

void loop() {
  int NILAI_ANALOG = analogRead(LDR);
  Serial.print("Nilai Lux LDR = ");
  Serial.println(NILAI_ANALOG);

  if (NILAI_ANALOG >= 100 && NILAI_ANALOG <= 400){
    digitalWrite(LED_RED, HIGH);
    digitalWrite(LED_BLUE, LOW);
    digitalWrite(LED_YELLOW, LOW);
    Serial.println("Merah Menyala");
  }else if (NILAI_ANALOG >= 400 && NILAI_ANALOG <= 1000){
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_BLUE, HIGH);
    digitalWrite(LED_YELLOW, LOW);
    Serial.println("Biru Menyala");
  }else if (NILAI_ANALOG >= 1000){
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_BLUE, LOW);
    digitalWrite(LED_YELLOW, HIGH);
    Serial.println("Kuning Menyala");
  }else {
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_BLUE, LOW);
    digitalWrite(LED_YELLOW, LOW);
    Serial.println("Mati Semua");
  }
    
}