无线射频模块的收发main主程序。　　　用单片机控制多个射频模块发送数据，单片机控制一个射频模块的接收，接收后再返回一个数据，之前的射频模块收到数据即可完成一次数据的收发，用发光二极管的亮灭来显示通讯是否成功。

-Wireless rf module to send and receive the main the main program. Using single-chip microcomputer control multiple rf module to send data, single-chip microcomputer control receives a radio frequency module, return after receiving a data, rf module receives data before can complete a data transceiver, destroy the light of the light emitting diode is used to show communication