Sample project
ESP32 voltage measurement
Choose a voltage divider, record ADC samples, and fit a calibration curve.
Choose a voltage divider, record ADC samples, and fit a calibration curve.
| Ref. | Component | Value |
|---|---|---|
| U1 | Development board | ESP32 |
| R1 | Upper resistor | 15 kΩ |
| R2 | Lower resistor | 10 kΩ |
| J1 | Connector | 2 pin |