#define port_LDR   A0
#define port_LED1  10
#define port_LED2  9
#define port_LED3  8
#define port_LED4  7
int val = 0;
int jeda = 0;

void setup() {
  Serial.begin(9600);
  pinMode(port_LDR, INPUT);
  pinMode(port_LED1, OUTPUT);
  pinMode(port_LED2, OUTPUT);
  pinMode(port_LED3, OUTPUT);
  pinMode(port_LED4, OUTPUT);
  pinMode (13,OUTPUT);
  pinMode (12,OUTPUT);
  pinMode (11,OUTPUT);
  LED(0,0,0,0);
}

void loop() {
  //---Pembacaan Sensor----
    val = analogRead(port_LDR);
    jeda = map(val, 1009, 553, 4000, 200); //range 0.2 - 80 lux
    //Serial.println(val);

  if(val < 554){ //KEPEKATAN 80% LUX
    //---menyalakan LED----
    digitalWrite(13, HIGH);
    digitalWrite(12, LOW);
    digitalWrite(11, LOW);
    Serial.println("");
    LED(0,0,0,1);
    delay(200);
    LED(0,0,1,0);
    delay(200);
    LED(0,1,0,0);
    delay(200);
    LED(1,0,0,0);
    delay(200);
  }else if(val > 1010){ //Kepekatan dibawah 0.1%LUX
    digitalWrite(13, LOW);
    digitalWrite(12, LOW);
    digitalWrite(11, HIGH);
    LED(0,0,0,0);
    //---Menampilkan Peringatan----
    Serial.println("PERINGATAN:INTENSITAS CAHAYA RENDAH");
  }else{ //0.2% LUX
    digitalWrite(13, LOW);
    digitalWrite(12, HIGH);
    digitalWrite(11, LOW);
    Serial.println("");
    //---menyalakan LED----
    LED(1,0,0,0);
    delay(jeda);
    LED(0,1,0,0);
    delay(jeda);
    LED(0,0,1,0);
    delay(jeda);
    LED(0,0,0,1);
    delay(jeda);
  }
  
  
  
}

void LED(bool led1, bool led2, bool led3, bool led4){
  digitalWrite(port_LED1, led1);
  digitalWrite(port_LED2, led2);
  digitalWrite(port_LED3, led3);
  digitalWrite(port_LED4, led4);
}