/ { buttons { compatible = "gpio-keys"; buttonDFU: button_dfu { gpios = <&gpio0 10 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; label = "DFU activation button"; }; }; aliases { mcuboot-led0 = &led0; // mcuboot-button0 = &button0; // to use the onboard button on the Adafruit nRF52840 Feather Express // use the pin defined above to enter boot mode. mcuboot-button0 = &buttonDFU; }; }; //&uicr { // Configures NFC pins (GPIOs 0.09 and 0.10) as regular GPIOs. Needed because Notecard's AUX3 // connects to GPIO 0.10 on Feather Express when Notecarrier F is used. // nfct-pins-as-gpios; //};