You must remove all bypass capacitors at the DUT's positive-supply pin.
你必须删除所有在被测产品的正极端口的旁路电容器。
Analog pin voltage readings seem to depend critically on the voltage of the power supply to the Arduino.
模拟管脚电压读数紧密取决于Arduino的供电电压。
When a time-out occurs or the input supply is removed, the CHRG pin goes high impedance.
当发生超时或输入电源被拿掉,该chrg引脚变高阻抗。
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