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How to read input VCC Voltage on ESP-01?

https://www.esp8266.com/viewtopic.php?f=32&t=7725

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How to read input VCC Voltage on ESP-01?

PostPosted: Tue Jan 19, 2016 7:51 am
by vanderbreye
Is it somehow possible to read the VCC data directly, even without using an input-pin?
I need to know if the voltage of my battery suddenly drops under 3.2V OR is about 3.4V...

Re: How to read input VCC Voltage on ESP-01?

PostPosted: Tue Jan 19, 2016 4:53 pm
by eduperez
viewtopic.php?p=30498
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