透视自瞄利用单片机控制A/D转换器实现多通道数据采集系统。具有如下功能： 1.基本功能 （1）采集的数据为0-5V电压信号； （2）通过按键选择任意通道的数据显示或轮流显示； （3）可以设定报警上下限。 2.扩展功能 自行扩展功能，如音乐铃声，通讯功能等。(The use of single-chip realization of multi channel data acquisition system A/D converter control. It has the following functions: 1., basic functions (1) the data collected are 0-5V voltage signals; (2) select any channel's data display or rotate display by buttons; (3) set the alarm upper and lower limits. 2. extended functions, such as music ringtones, communication functions, and so on.)