MPR121 Capacitive Touch Driver for esp-idf.
I ported from here.
ESP-IDF V4.4/V5.x.
ESP-IDF V5.0 is required when using ESP32-C2.
ESP-IDF V5.1 is required when using ESP32-C6.
MPR121 Capacitive Touch switch.
git clone https://github.com/nopnop2002/esp-idf-mpr121
cd esp-idf-mpr121
idf.py set-target {esp32/esp32s2/esp32s3/esp32c2/esp32c3/esp32c6}
idf.py menuconfig
idf.py flash
| MPR121 | ESP32 | ESP32-S2/S3 | ESP32-C2/C3/C6 | |
|---|---|---|---|---|
| SCL | -- | GPIO22 | GPIO12 | GPIO6 |
| SDA | -- | GPIO21 | GPIO11 | GPIO5 |
| IRQ | -- | GPIO15 | GPIO18 | GPIO4 |
| GND | -- | GND | GND | GND |
| VCC | -- | 3.3V | 3.3V | 3.3V |
You can change it to any pin using menuconfig.
