nodemecu/0x02-turbidez/0x02-turbidez.ino

// Dispositivo
const int devID = 2;
char devIDstr[5];
int inQuery;




double getData() {
  int sensorValue = analogRead(A2);
  return (sensorValue * (5.0 / 1024.0));
}


void setup() {
  Serial.begin(9600);
}
void loop() {


  if ( Serial.available() > 0) {
    inQuery = Serial.read();





    if ( inQuery == devID) {

      Serial.write(itoa(devID, devIDstr, 10));
      Serial.write(" ");
      Serial.write("Tur");
      Serial.write(" ");


      char lecturaStr[6]; // Buffer big enough for 7-character float
      dtostrf(getData(), 2, 4, lecturaStr); // Leave room for too large numbers!

      Serial.write(lecturaStr);
      Serial.write(" ");
      Serial.write("TSS");
      Serial.write(" ");
      Serial.write("99");


    }
  }

}