This is classic Bluetooth, but look at how they send and receive two data.
tempera_humidity = String(temperature, 3) + "," + String(humidity, 3);
Serial.println(tempera_humidity);
This is classic Bluetooth, but look at how they send and receive two data.
tempera_humidity = String(temperature, 3) + "," + String(humidity, 3);
Serial.println(tempera_humidity);