esp-idf/examples/peripherals/touch_sensor/touch_element/touch_element_waterproof/main/Kconfig.projbuild

menu "Example Configuration"

    config TOUCH_WATERPROOF_GUARD_ENABLE
        bool "Enable touch sense waterproof guard sensor"
        default y
        help
                This option enables touch sense waterproof guard sensor,
                while the shield sensor is not optional.

endmenu