App Inventor Arduino MLX90614 - Prueba

#include <Wire.h>;
#include <Adafruit_MLX90614.h>;
 
Adafruit_MLX90614 mlx = Adafruit_MLX90614();

String inputString = "";       
bool stringComplete = false; 

//-----------------------------------------------
//                 CONFIGURACION
//-----------------------------------------------
void setup() {

  inputString.reserve(32);
  Serial.begin(9600); 
  mlx.begin();  
}

//-----------------------------------------------
//                  MAIN
//-----------------------------------------------
void loop() {  
  
  if (stringComplete) {
    if(inputString.substring(0,2)=="MT"){
      
     Serial.print(mlx.readAmbientTempC()); 
     Serial.print("/"); 
     Serial.print(mlx.readObjectTempC());
  } 

    
    inputString = "";
    stringComplete = false;
  }  
}

//-----------------------------------------------
void serialEvent() {
  while (Serial.available()) {
    char inChar = (char)Serial.read();
    inputString += inChar;
    
    if (inChar == '\n') {
      stringComplete = true;
    }
  }
}
//-----------------------------------------------