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Illustrated voltage measurement board with an ESP32 module

Sample project

ESP32 voltage measurement

Choose a voltage divider, record ADC samples, and fit a calibration curve.

ESP32ADCMeasurement

Overview Schematic & PCB BOM Attachments Discussion

Schematic & PCB

Schematic for a 5 V to 2 V voltage divider

Calculate with these values

Project author

4E

4E Projects LabElectronics and firmware

Project tools

Calculate a voltage divider ›Fit the sample measurements ›Browse all tools ›

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