Adalink ARM CPU Tool

https://github.com/adafruit/Adafruit_Adalink

Adafruit_DAP

https://github.com/adafruit/Adafruit_DAP

Arduino nrf52840 support?

Particle Blog

High School Robotics Course using the Particle.io Mesh Devices Blog If you have several hours this is interesting reading about a product that does not offer full access to the SOC.

Nordic software

Nordic nrf-connect for desktop download page

Nordic SDK example explanations

https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Fnrf_dev_simple_timer_example.html

Nordic on Arduino platform ?

Interesting nordic on arduino ??? and platform.io example

platformerio

www.platformio.org

platformio boards

zephyr framework