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  • November 7, 2018 at 8:20 PM in reply to: Battery negative Protection on Mini Ultra Pro V2 #10192
    Manuel
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    the board runs with all functions. I have connected a new battery and uploaded the firmware without problems.

    can you tell me how the red charging LED is controlled? my application has a power source 5V regulated on Pin VIN. the Battery is a backoff when the host power source is turned off on weekends. right now the battery has 3.55V but the charging LED is not active.
    The Samd21 is always on sleep by using your low Power library (version from last year). wakeup is triggered on an interrupt pin. this works perfect.

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