Hello, I received this new module a few days ago, and the first thing I wanted to do was to measure the battery voltage, I can see next to the A0 pin 2 resistors, but I'm not sure if those are a volt divider. I made myself a volt divider using R1 a 15k resitor and R2 a 4k7 resistor, but when I con…

ESP WROOM 02 with battery socket, does it need extra resistors to monitor 4.2v?

Wawa October 5, 2017, 3:52am 12

Can you measure that 010 resistor.
Leo..

Topic		Replies	Views
ESP8266 battery voltage measurement on A0 General Electronics	2	1211	May 6, 2021
Review of my voltage divider circuit General Guidance	27	6360	September 21, 2021
Wemos A0 does not read voltage General Electronics	51	19651	May 6, 2021
Help with Voltage divider, sense supply voltage Frequently-Asked Questions	7	3204	May 6, 2021
Incorrect Analog Read.. General Guidance	16	7231	May 5, 2021