Experiment results show that exchange control can be realized through the collection of serial data of the handwritten input equipment and the communication radio.
实验结果表明，可以通过采集手写输入设备和通信电台的串行数据信息，实现交换控制的功能。
Data show USES LCD module in order to save battery power and the interface of display and microcontroller is serial communication interface.
数据显示部分用液晶显示模块以节省电池的耗电量，显示器与单片机的接口为串行通信接口。
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