自己写的一个AVR M8的程序，功能是读取汽车行车记录仪行云流水的数据流，然后可以通过按键设定汽车超速报警值和水温报警值，可以声光报警，3位LED显示当前速度。-Write their own program an AVR M8 function is to read the data flow of the car driving recorder to fill the gap, and then set the car speed alarm value and water temperature alarm values ​ ​ can be key, sound and light alarm, 3-digit LED displays the current speed.