int AredPin= 8; // blue
int AgreenPin = 10; //redish pink
int AbluePin = 9; //yellow

int BredPin= 4; // blue
int BgreenPin = 3; //redish pink
int BbluePin = 2; //yellow

int photoTran = A1;
int reading = 0;

char dato;



void setup() {
  // put your setup code here, to run once:
  pinMode(AredPin, OUTPUT);
  pinMode(AgreenPin, OUTPUT);
  pinMode(AbluePin, OUTPUT);
  pinMode(BredPin, OUTPUT);
  pinMode(BgreenPin, OUTPUT);
  pinMode(BbluePin, OUTPUT);
  Serial.begin(9600);
  digitalWrite(AredPin, HIGH);
  digitalWrite(AgreenPin, HIGH);
  digitalWrite(AbluePin, HIGH);
  digitalWrite(BredPin, HIGH);
  digitalWrite(BgreenPin, HIGH);
  digitalWrite(BbluePin, HIGH);

}


void loop() {
  // put your main code here, to run repeatedly:

  if (Serial.available())
   {
    dato=Serial.read();
    Serial.print(dato);
   }

   if(dato=='R')
   {
    AsetColor(255, 0, 0);
    BsetColor(255, 0, 0);

   }

    if(dato=='G')
   {
    AsetColor(0, 255, 0);
    BsetColor(0, 255, 0);

   }

       if(dato=='B')
   {
    AsetColor(0, 0, 255);
    BsetColor(0, 0, 255);

   }
          if(dato=='O')
   {
    AsetColor(0, 0, 0);
    BsetColor(0, 0, 0);
   }
          if(dato=='W')
   {
    AsetColor(255, 255, 255);
    BsetColor(255, 255, 255);

   }

         if(dato=='P') 

   {
          reading = analogRead(photoTran);
        Serial.println(reading);
        delay(100);
      
        if (reading<600){
          AsetColor(255, 255, 255);
          BsetColor(255, 255, 255);
        }
        else {
          AsetColor(0, 0, 0);
          BsetColor(0, 0, 0);
        }      
   }

}

void AsetColor(int AredValue, int AgreenValue, int AblueValue) {
  analogWrite(AredPin, 255-AredValue);
  analogWrite(AgreenPin, 255-AgreenValue);
  analogWrite(AbluePin, 255-AblueValue);
}

void BsetColor(int BredValue, int BgreenValue, int BblueValue) {
  analogWrite(BredPin, 255-BredValue);
  analogWrite(BgreenPin, 255-BgreenValue);
  analogWrite(BbluePin, 255-BblueValue);
}