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- 简易数字电压表的设计可以测量0~5V的8路输入电压值,并在四位上轮流显示或单路选择显示。测量最小分辨率为0.019V,测量误差为±0.02V。-Design of simple digital voltage meter to measure the 8 0 ~ 5V input voltage, and turn four on the show or single select Show. Measuring a minimum resolution of 0.019V, measureme