// Program Sensor Cahaya
// By Hafiz XI TEDK 2
int Blue = 9;
int Green = 10;
int Red = 11;
int data_sensor;
int sensor = A0;

void setup() {
  pinMode(Blue, OUTPUT);
  pinMode(sensor, INPUT);
  Serial.begin(9600); 
}

void loop() {
  data_sensor = analogRead(sensor);
  if(data_sensor > 857){
    digitalWrite(Red, HIGH);
    digitalWrite(Green, LOW);
    digitalWrite(Blue, LOW);
}
 else if (data_sensor > 39){
  digitalWrite(Green, HIGH);
  digitalWrite(Red, HIGH);
  digitalWrite(Blue, LOW);
 }
 else if (data_sensor < 39){
   digitalWrite(Blue, HIGH);
   digitalWrite(Red, LOW);
   digitalWrite(Green, LOW);
 }
}

// Gelap Lux < 10              ----> Merah   ----analog >857
// Mendung Lux 1000 - 10000    ----> Green  ----analog 39-169
// terang Lux > 10000           ----> Blue    ----analog <39