Introduction - If you have any usage issues, please Google them yourself
In this study, the following functions will be realized: it will detect NRF24L01 module when you start the machince.After detecting NRF24L01 module, the module,s operating mode will be determined according to setting KEY0 and the KEY1 .after setting , it will keep sending/receiving data, the same, DS0 to indicate the program is running.