利用nrf24L01模块实现一对一进行无线通信，减少功耗，在尽可能少的功耗的情况下实现无线通信，最长通信时间长达两年才需要换一次电池。-Using nrf24L01 module to achieve one to one wireless communication, reduce power consumption, in the case of the power consumption as little as possible to achieve wireless communica