Arduino IDE Setup

To setup Arduino IDE using built-in board manager:

• Add https://adafruit.github.io/arduino-board-index/package_adafruit_index.json as an 'Additional Board Manager URL' under Arduino IDE Preferences
• Restart Arduino IDE
• In Boards Manager, install Adafruit nRF52 by Adafruit
• Select Tools -> Board -> Adafruit nRF52 -> Adafruit Feather nRF52832

To setup library for Adafruit HX711 with built-in library manager:

• Go to library manager and search for Adafruit_HX711 and click install

Bootloader

I was unable to update the bootloader with Arduino IDE and Adafruit's instructions. However, Adafruit listed the instructions and I was able to use the terminal to update the bootloader. adafruit-nrfutil --verbose dfu serial --package feather_nrf52832_bootloader-0.9.2_s132_6.1.1.zip -p /dev/ttyUSB0 -b 115200 --singlebank --touch 1200