Under voltage/current monitoring

Hi all!

What are the options to trigger a safe shutdown in the case of under-voltage and/or under-current?

Planning to run the Radxa Zero under a supercapacitor in the case of power failure and then trigger a safe shutdown if it runs out energy.

I think you will have to use adc to measure the voltage, and trigger the safe shutdown. There is two adc channel on the 40p GPIO header.

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