利用stc15w408as制作的数码管显示0-5V电压显示 显示精准稳定(stc15w408as produced by digital tube display, 0-5V voltage display, accurate and stable)

stc15w408as-SOP16 通过BandGap电压精确测量外部输入电压C程序(stc15w408as-SOP16 accurate measurement of external input voltage C program through BandGap voltage)

基于stc15w408as单片机进行电压采集装置，并且进行电压 的记忆，完整程序可直接下载。(Based on stc15w408as MCU, the voltage acquisition device is implemented, and the voltage memory is carried out. The complete program can be downloaded directly.)