nrf24L01的发送接收程序 按键可以控制发射 有信号时可以自动接收 发射和接收到信号时都有相应的信号灯提示若提示灯没亮 则表示没发射出去或者没有接收到信号-nrf24L01 of sending and receiving application launch buttons can be controlled automatically receive a signal to a signal transmitter and receiver has a corresponding signal light did not prompt if the prompt emission light is said not to go out or did not receive the signal