Assuming the Bluetooth is on Serial1, that is exactly what interrupt-driven Serial1.available() does for you. So no, it doesn't make sense.
Usually, it is best to use the system as it is intended to be used.
Assuming the Bluetooth is on Serial1, that is exactly what interrupt-driven Serial1.available() does for you. So no, it doesn't make sense.
Usually, it is best to use the system as it is intended to be used.