Battery voltage monitor right after deep sleep

davidex
Posts: 1
Joined: Wed Sep 19, 2018 6:45 pm

Battery voltage monitor right after deep sleep

Postby davidex » Wed Sep 19, 2018 6:48 pm

hi there!
i have my esp32 module in deep sleep and i use it with a couple of buttons using a wake up that detect the button pressed
now i'd like to have a battery level to send to a server right before going back to deep sleep. How can i do it?
and what cheap rgb led do you suggest using?

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