Hall sensor is used to collect voltage and current signal, and the collected result displayed by LED displayer.

利用霍尔传感器完成电压、电流的采集，并送led显示器显示。

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Hall sensor is used to collect voltage and current signal, and the collected result displayed by LED displayer.

利用霍尔传感器完成电压、电流的采集，并送led显示器显示。

youdao