unsigned int data_adc = 0;
void setup() {
  pinMode(2, OUTPUT);//REDB
  pinMode(3, OUTPUT);//GREEN
  pinMode(4, OUTPUT);//BLUE
pinMode(A0,INPUT);
Serial.begin(9600);
}

void loop() {
  digitalWrite(2, HIGH);
  digitalWrite(3, HIGH);
  digitalWrite(4, HIGH);

  data_adc = analogRead(A0);
  Serial.println(data_adc);

  
}