Hello
When programming the MCU, add the required JSON instructions to the appropriate location.
Below are our demo examples and a manual on how to use our library.
Demo example: https://github.com/STONElibrary/stone_serial/tree/v1.0.9/Example
Library manual: https://www.stoneitech.com/download/instructions-for-stone-uart-library/
If you have a team of engineers, then you will need to communicate with your engineers.
Please let me know if there is anything you don’t understand.