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Voltage measure problem

Posted: Sat Jan 20, 2018 6:46 pm
by peter114
I have battery connected to PIN35 via voltage divider. When I have esp32 (lolin32 lite) connected to computer I have no problem with measurement of battery voltage. But when esp32 is running on battery, measured voltage is different and it doesn't make sense. What is the problem?

Re: Voltage measure problem

Posted: Wed Jan 24, 2018 4:54 pm
by tele_player
Some numbers would be useful.