diff --git a/app/boards/arm/adafruit_feather_nrf52840/CMakeLists.txt b/app/boards/arm/adafruit_feather_nrf52840/CMakeLists.txt
new file mode 100644
index 00000000..42d4786d
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/CMakeLists.txt
@@ -0,0 +1,9 @@
+
+set_property(GLOBAL APPEND PROPERTY extra_post_build_commands
+COMMAND ${PYTHON_EXECUTABLE} ${ZEPHYR_BASE}/../tools/uf2/utils/uf2conv.py
+-c 
+-b 0x26000
+-f 0xADA52840
+-o ${PROJECT_BINARY_DIR}/${CONFIG_KERNEL_BIN_NAME}.uf2
+${PROJECT_BINARY_DIR}/${CONFIG_KERNEL_BIN_NAME}.bin
+)
\ No newline at end of file
diff --git a/app/boards/arm/adafruit_feather_nrf52840/Kconfig b/app/boards/arm/adafruit_feather_nrf52840/Kconfig
new file mode 100644
index 00000000..7367f2b9
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/Kconfig
@@ -0,0 +1,10 @@
+# Adafruit Feather nRF52840 Express board configuration
+
+# Copyright (c) 2021 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+config BOARD_ENABLE_DCDC
+	bool "Enable DCDC mode"
+	select SOC_DCDC_NRF52X
+	default y
+	depends on BOARD_ADAFRUIT_FEATHER_NRF52840
diff --git a/app/boards/arm/adafruit_feather_nrf52840/Kconfig.board b/app/boards/arm/adafruit_feather_nrf52840/Kconfig.board
new file mode 100644
index 00000000..5649de91
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/Kconfig.board
@@ -0,0 +1,8 @@
+# Adafruit Feather nRF52840 Express board configuration
+
+# Copyright (c) 2021 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+config BOARD_ADAFRUIT_FEATHER_NRF52840
+	bool "Adafruit Feather nRF52840 Express"
+	depends on SOC_NRF52840_QIAA
diff --git a/app/boards/arm/adafruit_feather_nrf52840/Kconfig.defconfig b/app/boards/arm/adafruit_feather_nrf52840/Kconfig.defconfig
new file mode 100644
index 00000000..34ef74f1
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/Kconfig.defconfig
@@ -0,0 +1,33 @@
+# Adafruit Feather nRF52840 Express board configuration
+
+# Copyright (c) 2021 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+if BOARD_ADAFRUIT_FEATHER_NRF52840
+
+config BOARD
+	default "adafruit_feather_nrf52840"
+
+if USB
+
+config USB_NRFX
+	default y
+
+config USB_DEVICE_STACK
+	default y
+
+endif # USB
+
+config BT_CTLR
+	default BT
+
+config ZMK_BLE
+	default y
+
+config ZMK_USB
+	default y
+
+config ZMK_BATTERY_VOLTAGE_DIVIDER
+	default y
+
+endif # BOARD_ADAFRUIT_FEATHER_NRF52840
diff --git a/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.dts b/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.dts
new file mode 100644
index 00000000..b875749d
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.dts
@@ -0,0 +1,155 @@
+/*
+* Copyright (c) 2021 The ZMK Contributors
+*
+* SPDX-License-Identifier: MIT
+ */
+
+ /dts-v1/;
+ #include <nordic/nrf52840_qiaa.dtsi>
+ #include "feather_connector.dtsi"
+ 
+ / {
+	 model = "Adafruit Feather nRF52840 Express ZMK";
+	 compatible = "adafruit,feather-nrf52840-zmk";
+ 
+	 chosen {
+		 zephyr,code-partition = &code_partition;
+		 zephyr,sram = &sram0;
+		 zephyr,flash = &flash0;
+		 zephyr,console = &cdc_acm_uart;
+		 zmk,battery = &vbatt;
+	 };
+ 
+	 leds {
+		 compatible = "gpio-leds";
+		 led0: led_0 {
+			 gpios = <&gpio1 15 0>;
+			 label = "Red LED";
+		 };
+		 blue_led: led_1 {
+			 gpios = <&gpio1 10 0>;
+			 label = "Blue LED";
+		 };
+	 };
+
+	 vbatt: vbatt {
+		compatible = "zmk,battery-voltage-divider";
+		label = "VBATT";
+		io-channels = <&adc 5>;
+		output-ohms = <100000>;
+		full-ohms = <(100000 + 100000)>;
+	 };
+ 
+	 /* These aliases are provided for compatibility with samples */
+	 aliases {
+		 led0 = &led0;
+		 led1 = &blue_led;
+	 };
+ };
+ 
+ &adc {
+	 status = "okay";
+ };
+ 
+ &gpiote {
+	 status = "okay";
+ };
+ 
+ &gpio0 {
+	 status = "okay";
+ };
+ 
+ &gpio1 {
+	 status = "okay";
+ };
+ 
+ &uart0 {
+	 compatible = "nordic,nrf-uart";
+	 current-speed = <115200>;
+	 status = "okay";
+	 tx-pin = <25>;
+	 rx-pin = <24>;
+ };
+ 
+ &i2c0 {
+	 status = "okay";
+	 sda-pin = <12>;
+	 scl-pin = <11>;
+ };
+ 
+ &spi1 {
+	 compatible = "nordic,nrf-spi";
+	 status = "okay";
+	 sck-pin = <14>;
+	 mosi-pin = <13>;
+	 miso-pin = <15>;
+ };
+ 
+ &qspi {
+	 status = "okay";
+	 sck-pin = <19>;
+	 io-pins = <17>, <22>, <23>, <21>;
+	 csn-pins = <20>;
+	 gd25q16: gd25q16@0 {
+		 compatible = "nordic,qspi-nor";
+		 reg = <0>;
+		 writeoc = "pp4io";
+		 readoc = "read4io";
+		 sck-frequency = <16000000>;
+		 label = "GD25Q16";
+		 jedec-id = [c8 40 15];
+		 size = <16777216>;
+		 has-dpd;
+		 t-enter-dpd = <20000>;
+		 t-exit-dpd = <20000>;
+	 };
+ };
+ 
+ &flash0 {
+	 /*
+	  * For more information, see:
+	  * https://docs.zephyrproject.org/latest/guides/dts/legacy-macros.html#legacy-flash-partitions
+	  */
+	 partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sd_partition: partition@0 {
+			label = "softdevice";
+			reg = <0x00000000 0x00026000>;
+		};
+		code_partition: partition@26000 {
+			label = "code_partition";
+			reg = <0x00026000 0x000c6000>;
+		};
+
+		/*
+		 * The flash starting at 0x000ec000 and ending at
+		 * 0x000f3fff is reserved for use by the application.
+		 */
+
+		/*
+		 * Storage partition will be used by FCB/LittleFS/NVS
+		 * if enabled.
+		 */
+		storage_partition: partition@ec000 {
+			label = "storage";
+			reg = <0x000ec000 0x00008000>;
+		};
+
+		boot_partition: partition@f4000 {
+			label = "adafruit_boot";
+			reg = <0x000f4000 0x0000c000>;
+		};
+	 };
+ };
+ 
+ &usbd {
+	 /*compatible = "nordic,nrf-usbd";*/
+	 status = "okay";
+	 cdc_acm_uart: cdc_acm_uart {
+     compatible = "zephyr,cdc-acm-uart";
+     label = "CDC_ACM_0";
+  };
+ };
diff --git a/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.yaml b/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.yaml
new file mode 100644
index 00000000..50fe9d3a
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.yaml
@@ -0,0 +1,19 @@
+identifier: adafruit_feather_nrf52840
+name: Adafruit Feather nRF52840 Express
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+supported:
+  - adc
+  - usb_device
+  - usb_cdc
+  - ble
+  - ieee802154
+  - watchdog
+  - counter
+  - feather_serial
+  - feather_i2c
+  - feather_spi
diff --git a/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.zmk.yml b/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.zmk.yml
new file mode 100644
index 00000000..73a35902
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840.zmk.yml
@@ -0,0 +1,8 @@
+identifier: adafruit_feather_nrf52840
+name: Adafruit Feather nRF52840 Express
+type: mcu
+arch: arm
+outputs:
+  - usb
+  - ble
+url: https://www.adafruit.com/product/4062
\ No newline at end of file
diff --git a/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840_defconfig b/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840_defconfig
new file mode 100644
index 00000000..bdc942b8
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/adafruit_feather_nrf52840_defconfig
@@ -0,0 +1,32 @@
+# Copyright (c) 2021 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+CONFIG_SOC_SERIES_NRF52X=y
+CONFIG_SOC_NRF52840_QIAA=y
+CONFIG_BOARD_ADAFRUIT_FEATHER_NRF52840=y
+
+# Enable MPU
+CONFIG_ARM_MPU=y
+
+# enable GPIO
+CONFIG_GPIO=y
+
+## enable uart driver
+#CONFIG_SERIAL=y
+#
+## enable console
+#CONFIG_CONSOLE=y
+#CONFIG_UART_CONSOLE=y
+#
+## additional board options
+#CONFIG_GPIO_AS_PINRESET=y
+
+CONFIG_USE_DT_CODE_PARTITION=y
+
+CONFIG_MPU_ALLOW_FLASH_WRITE=y
+CONFIG_NVS=y
+CONFIG_SETTINGS_NVS=y
+CONFIG_FLASH=y
+CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_FLASH_MAP=y
+CONFIG_BUILD_OUTPUT_UF2=y
diff --git a/app/boards/arm/adafruit_feather_nrf52840/board.cmake b/app/boards/arm/adafruit_feather_nrf52840/board.cmake
new file mode 100644
index 00000000..3d64fafd
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/board.cmake
@@ -0,0 +1,13 @@
+# Copyright (c) 2021 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+# board_runner_args(jlink "--device=nrf52" "--speed=4000")
+# board_runner_args(pyocd "--target=nrf52840" "--frequency=4000000")
+# board_runner_args(blackmagicprobe "--gdb-serial=/dev/ttyBmpGdb")
+# include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
+# include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
+# include(${ZEPHYR_BASE}/boards/common/blackmagicprobe.board.cmake)
+
+board_runner_args(nrfjprog "--nrf-family=NRF52" "--softreset")
+include(${ZEPHYR_BASE}/boards/common/blackmagicprobe.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
diff --git a/app/boards/arm/adafruit_feather_nrf52840/feather_connector.dtsi b/app/boards/arm/adafruit_feather_nrf52840/feather_connector.dtsi
new file mode 100644
index 00000000..24cc0a12
--- /dev/null
+++ b/app/boards/arm/adafruit_feather_nrf52840/feather_connector.dtsi
@@ -0,0 +1,39 @@
+/*
+* Copyright (c) 2021 The ZMK Contributors
+*
+* SPDX-License-Identifier: MIT
+ */
+
+/ {
+	feather_header: connector {
+		compatible = "adafruit-feather-header";
+		#gpio-cells = <2>;
+		gpio-map-mask = <0xffffffff 0xffffffc0>;
+		gpio-map-pass-thru = <0 0x3f>;
+		gpio-map = <0 0 &gpio0 4 0>,	/* A0 */
+			   <1 0 &gpio0 5 0>,	/* A1 */
+			   <2 0 &gpio0 30 0>,	/* A2 */
+			   <3 0 &gpio0 28 0>,	/* A3 */
+			   <4 0 &gpio0 2 0>,	/* A4 */
+			   <5 0 &gpio0 3 0>,	/* A5 */
+			   <6 0 &gpio0 14 0>,	/* SCK */
+			   <7 0 &gpio0 13 0>,	/* MOSI */
+			   <8 0 &gpio0 15 0>,	/* MISO */
+			   <9 0 &gpio0 24 0>,	/* RXD */
+			   <10 0 &gpio0 25 0>,	/* TXD */
+			   <11 0 &gpio0 10 0>,	/* D2 (NFC2) */
+			   <12 0 &gpio0 12 0>,	/* SDA */
+			   <13 0 &gpio0 11 0>,	/* SCL */
+			   <14 0 &gpio1 8 0>,	/* D5 */
+			   <15 0 &gpio0 7 0>,	/* D6 */
+			   <16 0 &gpio0 26 0>,	/* D9 */
+			   <17 0 &gpio0 27 0>,	/* D10 */
+			   <18 0 &gpio0 6 0>,	/* D11 */
+			   <19 0 &gpio0 8 0>,	/* D12 */
+			   <20 0 &gpio1 9 0>;	/* D13 */
+	};
+};
+
+feather_serial: &uart0 {};
+feather_i2c: &i2c0 {};
+feather_spi: &spi1 {};