// LED pins
const int blue = 3;      
const int orange = 4;
const int RGB_red = 6;     
const int RGB_blue = 7;     
const int RGB_green = 5;  

// Sensor pins   
const int sensorpin = 19;     
//const int sensorpin2 = 18;   

// variables
float reading;

void setup() {
  
  // OUTPUTS
  pinMode(blue, OUTPUT);
  pinMode(orange, OUTPUT);
  pinMode(RGB_red, OUTPUT);
  pinMode(RGB_blue, OUTPUT);
  pinMode(RGB_green, OUTPUT);

 // INPUTS
  pinMode(sensorpin, INPUT);
 // pinMode(sensorpin2, INPUT);

 // Initial setup
  
  digitalWrite(blue, HIGH);
  digitalWrite(orange, HIGH);
}

void loop() {

    reading = analogRead(sensorpin); // read sensor data
    
    if (reading < 200) { // RED
    digitalWrite(RGB_red, LOW);
    digitalWrite(RGB_blue, HIGH);
    digitalWrite(RGB_green, HIGH);
    }
    if (reading > 199 && reading < 800) { // BLUE
    digitalWrite(RGB_red, HIGH);
    digitalWrite(RGB_blue, LOW);
    digitalWrite(RGB_green, HIGH);
    }
    if (reading > 799) { // GREEN
    digitalWrite(RGB_red, HIGH);
    digitalWrite(RGB_blue, HIGH);
    digitalWrite(RGB_green, LOW);
    }
    
}