menu "Example Configuration" config I2C_MASTER_SCL int "SCL GPIO Num" default 6 if IDF_TARGET_ESP32C3 default 19 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 help GPIO number for I2C Master clock line. config I2C_MASTER_SDA int "SDA GPIO Num" default 5 if IDF_TARGET_ESP32C3 default 18 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 help GPIO number for I2C Master data line. endmenu