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Internal system voltage of ESP-01 for low battery warning

https://www.esp8266.com/viewtopic.php?f=13&t=22932

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Re: Internal system voltage of ESP-01 for low battery warnin

PostPosted: Fri Mar 31, 2023 11:16 am
by Vinc
Hi everyone.

Does anyone be able to use system_get_vdd33 function successfully ?
It is like function is still returning 0xFFFF.

Thanks for your feedback !
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