说明：  使用AD转换，将两路电压值显示到数码管。通过按键选择显示的路数并设计报警值。可以将报警值存储到eeprom。并带有报警子程序。 (Through AD conversion, the two voltage values are displayed to the digital tube. Select the number of display paths and design the alarm value by key-press. Alarm values can be stored in eeprom. And with alarm subroutine.)
(Through AD conversion, the two voltage values are displayed to the digital tube. Select the number of display paths and design the alarm value by key-press. Alarm values can be stored in eeprom with alarm subroutine.)