使用51单片机以及键盘液晶作为人机互动，输入你想输入的电压值，端口就输出相应的二进制数-51 MCU and LCD using the keyboard as a human-computer interaction, input you want to input voltage value, the port on the output of the corresponding binary number

51单片机ad驱动 e2prom驱动 lcd驱动 电子表 电压表程序等 都经过调试可直接调用-E2prom drive 51 single ad-driven spreadsheet voltmeter lcd driver so after a debugging program can be called directly