int resistor 1; // valor do resistor 1
int resistor 2; // valor do resistor 2
int resistor 3; // valor do resistor 3
int resistor 4; // valor do resistor 4

void setup(){
// put your setup code here, to run once:
  // Configura a porta do serial
  Serial1.begin(115200);
  // 1. valor do resistor 1 sera 30
  resistor 1 = 30
  // 2. valor do resistor 2 sera 10
  resistor 2 = 10
  // 3. valor do resistor 3 sera 11
  resistor 3