Adafruit-Itsybitsy-nRF52

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When using this board with RIOT, set the BOARD variable to adafruit-itsybitsy-nrf52 in your Makefile. If you follow the standard RIOT project structure, your Makefile should look like this:

# name of your application
APPLICATION = hello-world

# Change this to your board if you want to build for a different board
BOARD ?= adafruit-itsybitsy-nrf52

# This has to be the absolute path to the RIOT base directory:
RIOTBASE ?= $(CURDIR)/RIOT

include $(RIOTBASE)/Makefile.include

Support for the Adafruit-Itsybitsy-nRF52

General information

This is a small formfactor (only 1.4” long by 0.7” wide) nRF52840 board made by Adafruit.

The board features one red LED (LD1), one DotStar / APA102 RGB LED, a user (SW1), a reset button as well as 21 configurable external pins(6 of which can be analog in).

Flash the board

The board is flashed using its on-board bootloader. More information about how to work with this bootloader can be found in the boards_common_adafruit-nrf52-bootloader section.

Accessing STDIO

The usual way to obtain a console on this board is using an emulated USB serial port.