This demo provides an example of communication between the RN-42 Bluetooth Module and another device capable of supporting Bluetooth SPP, such as a PC or Smartphone.
(https://savagecircuits.com/wp-content/uploads/2023/07/RN-42_BT_PC_00.gif)
CLICK HERE TO GO TO THIS TUTORIAL ON THE SAVAGE///CIRCUITS WEBSITE (https://savagecircuits.com/rn-42-bluetooth-to-pc-demo-p8x32a/)