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    m5stick c plus battery will not charge

    M5 Stick/StickC
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    • P
      Peter
      last edited by Peter

      I bought a couple of M5Stick C Plus a few months ago and now I want to put them into operation. Unfortunately, the battery does not charge. A 68 ohm resistor between bat and 3.3 volts does not help either.
      Does anyone have a tip on this?

      The voltage at PIN BAT is 2 mV. When I connect a LiIon battery there, it will be charged.
      Looks like a cold solder joint. Is something like this known. It is so with all 4 tested devices.

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