How to detect low battery in battery powered F683 circuit

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  1. - 27th October 2014, 20:05 #12
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    tekart
    tekart is offline Junior Member
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    Default Re: How to detect low battery in battery powered F683 circuit

    OK, I see that now. So how do I select between the IO pin and the Vref source in code? No idea how that is done...
    Still don't see how the resistor - diod junction will provide me with a reading that represents the changing Vbatt...
    Last edited by tekart; - 27th October 2014 at 20:11.
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