通过串口接受视频信号,并实时以黑白灰度值显示出来.-Through the serial port to receive video signals, and real-time black-and-white gray value to be displayed.

串口实现4路温度显示，按软件设定时间每秒发送8字节数据-Serial achieve 4-way temperature display, according to the software set the time to send 8 bytes of data per second