That makes it easy, you can expand the code from some of the examples on https://forum.arduino.cc/t/serial-input-basics-updated/382007 to look for the 5A A5 as the start characters and treat a 9-character block as a complete transmission.
That makes it easy, you can expand the code from some of the examples on https://forum.arduino.cc/t/serial-input-basics-updated/382007 to look for the 5A A5 as the start characters and treat a 9-character block as a complete transmission.