基于AT89C51，采用LCD1602液晶显示0~5V模拟电压量。采用proteus仿真和KEIL4 C语言编程实现。(Based on AT89C51, the LCD1602 liquid crystal display 0~5V is used to simulate the voltage quantity. It is realized by Proteus simulation and KEIL4 C language programming.)

ADC0832 ADC电压表 51单片机实现模拟信号的测量(The Measurement of Analog signal by ADC0832 ADC Voltmeter 51 single Chip Microcomputer)