Value works well when only one uno board is connected.However, if I connect the two uno boards, the read value will be None.
I connected two uno boards to one Python file.Analog values read well when a board is connected in one Python program.But when connecting the board2 analog value is brought into none.
Serial.println("Starting Arduino A")
The entry of none has been resolved.
However, the reading by the sensor is not updated and the first reading continues to appear.
so your code looks like this