int pinResistor = A0;
int pinRed = 8;
int pinGreen = 9;
int pinBlue = 10;
int estado = 0;

void setup() {
  pinMode(pinResistor, INPUT);
  pinMode(pinRed, OUTPUT);
  pinMode(pinGreen, OUTPUT);
  pinMode(pinBlue, OUTPUT);

}

void loop() {
  if(estado == 0) {
    digitalWrite(pinRed, HIGH);

  }

}

int readResistor() {
  int rawResistor = analogRead(pinResistor);
  int voltage = rawResistor / (5/1024);
  float resistence 
}