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 communication, the longest communication time for two years before the need for a battery.