7279和TLC549数字电压表，由51单片机控制的，通过模数TL549采样制作的电压表，同时由7279控制的数码管显示-7279, and TLC549 digital voltage meter, controlled by the microcontroller 51 through the production of modulus TL549 sampling voltmeter, accompanied by a 7279-controlled LED display

维控触控屏电压尖峰发生器功能操作界面（VB），与上位机通讯，并能够接受显示波形-Voltage spike generator function interface

stm32用ADC测量电压，并在LCD数码管上显示(STM32 uses ADC to measure the voltage and displays it on the LCD digital tube)