diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5cc29556..458b4890 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Install PlatformIO
         run: |
           pip install -U pip setuptools wheel
-          pip install platformio
+          pip install platformio adafruit-nrfutil
       - name: Install MIDI library
         if: contains(matrix.example, 'MIDI')
         # https://platformio.org/lib/show/62/MIDI%20Library
@@ -40,6 +40,9 @@ jobs:
 
           # Workaround https://github.com/arduino/ArduinoCore-sam/issues/69
           pio ci --lib="." --board=due --project-option="build_flags=-Wno-misleading-indentation"
+
+          # Ignore warnings in the Arduino core
+          pio ci --lib="." --board=adafruit_feather_nrf52840 --project-option="build_flags=-Wno-sign-compare -Wno-unused-function -Wno-unused-variable"
         env:
           PLATFORMIO_CI_SRC: ${{ matrix.example }}
           PLATFORMIO_BUILD_FLAGS: -DWIICAMERA -DDEBUG_USB_HOST -Wall -Werror
diff --git a/README.md b/README.md
index 968377d7..eba03c3c 100644
--- a/README.md
+++ b/README.md
@@ -116,6 +116,7 @@ Currently the following boards are supported by the library:
 * Sanguino
 * Black Widdow
 * RedBearLab nRF51822
+* Adafruit Feather nRF52840 Express
 * Digilent chipKIT
     * Please see: <https://chome.nerpa.tech/mcu/usb/running-usb-host-code-on-digilent-chipkit-board>.
 * STM32F4
diff --git a/examples/HID/scale/scale_rptparser.cpp b/examples/HID/scale/scale_rptparser.cpp
index 97e216d5..bc240a59 100644
--- a/examples/HID/scale/scale_rptparser.cpp
+++ b/examples/HID/scale/scale_rptparser.cpp
@@ -1,7 +1,8 @@
-/* Parser for standard HID scale (usage page 0x8d) data input report (ID 3) */ 
-#ifdef ARDUINO_SAM_DUE
+#if defined(ARDUINO_SAM_DUE) || defined(ARDUINO_NRF52840_FEATHER)
 #include <avr/dtostrf.h>
 #endif
+
+/* Parser for standard HID scale (usage page 0x8d) data input report (ID 3) */
 #include "scale_rptparser.h"
 
 const char* UNITS[13] = {
diff --git a/library.json b/library.json
index 559b7682..fbe6bc81 100644
--- a/library.json
+++ b/library.json
@@ -7,8 +7,7 @@
     {
       "name": "Oleg Mazurov",
       "email": "mazurov@circuitsathome.com",
-      "url": "http://www.circuitsathome.com",
-      "maintainer": true
+      "url": "http://www.circuitsathome.com"
     },
     {
       "name": "Alexei Glushchenko",
@@ -22,8 +21,7 @@
     },
     {
       "name": "Andrew Kroll",
-      "email": "xxxajk@gmail.com",
-      "maintainer": true
+      "email": "xxxajk@gmail.com"
     }
   ],
   "repository":
@@ -50,6 +48,7 @@
     "teensy",
     "atmelsam",
     "nordicnrf51",
+    "nordicnrf52",
     "ststm32",
     "espressif8266",
     "espressif32"