Sample project
ESP32 voltage measurement
Choose a voltage divider, record ADC samples, and fit a calibration curve.
Overview
The example uses 5 V, R1 = 15 kΩ and R2 = 10 kΩ. The ideal unloaded output is 2.00 V. Select the ADC input and range for your ESP32 board.
The board is an illustration. Measurements are example data for testing the tools.