说明：  项目使用的nRF24L01工程文件，主机通过1~5信道轮询5个从机；从机则分别在1~5信道接收主机轮询信号，接收到轮询本机指令后，通过信道0向主机发送反向数据；主机在信道0接收各从机的反向数据。
(NRF24L01 project file used by the project, the host channel through 1-5 poll five slaves slave is receiving host polling signals in channel 1 to 5, after receiving the polling native instructions sent to the host through the channel 0 Reverse Data Host reverse data channel 0 receive each slave.)