Seeed Studio XIAO nRF52840 Sense

Caution

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Tip

When using this board with RIOT, set the BOARD variable to seeedstudio-xiao-nrf52840-sense in your Makefile. If you follow the standard RIOT project structure, your Makefile should look like this:

./Makefile

# name of your application
APPLICATION = hello-world

# Change this to your board if you want to build for a different board
BOARD ?= seeedstudio-xiao-nrf52840-sense

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

include $(RIOTBASE)/Makefile.include

Support for the Seeed Studio XIAO nRF52840 Sense

General information

The XIAO nRF52840 Sense is a development board from Seeed Studio’s XIAO board family.

It provides native USB support, Bluetooth Low Energy and IEEE 802.15.4 support via the nRF52840 MCU. Compared to the XIAO nRF52840 it features an ST LSM6DS3TR-C IMU and a PDM Microphone (not supported yet).

Using the LSM6DS3TR-C IMU

You can test the built-in IMU with the test provided in tests/drivers/lsm6dsxx:

make BOARD=seeedstudio-xiao-nrf52840-sense -C tests/drivers/lsm6dsxx flash term

Flashing, Bootloader, and Terminal

Refer to the Adafruit nRF52 Bootloader documentation for further details on the flashing process.

Example with hello-world application:

make BOARD=seeedstudio-xiao-nrf52840-sense -C examples/basic/hello-world flash term