//This Code is Developed by Sdev
//Modified by Mr. Kiran Wakchaure, Fab Academy Vigyan Ashram, 2022

#define led1 19    //red
#define led2 23    //green
#define led3 18   //blue

void setup() {
  Serial.begin(9600);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
}

void loop() {
  if (Serial.available()) {
    char val = Serial.read();
    if (val == 'R') {
      digitalWrite(led1, HIGH);
      digitalWrite(led2, LOW);
      digitalWrite(led3, LOW);
    }
    
    if (val == 'G') {
      digitalWrite(led2, HIGH);
      digitalWrite(led1, LOW);
      digitalWrite(led3, LOW);
    }
    if (val == 'B') {
      digitalWrite(led3, HIGH);
      digitalWrite(led1, LOW);
      digitalWrite(led2, LOW);;
    }
     if (val == 'L') {
      digitalWrite(led3, LOW);
      digitalWrite(led1, LOW);
      digitalWrite(led2, LOW);;
    }
    if (val == 'A') {
      digitalWrite(led3, HIGH);
      digitalWrite(led1, HIGH);
      digitalWrite(led2, HIGH);;
    }
  }
}