Based on nRF52840 (E73-2G4M08S1C).

**Compatible with pca10059 (Dongle) Board. **

Can be used in the development of Zigbee devices. (Sniffer, Coordinator, Router, End device).

Also can be used as a cheap version of the arduino nano 33 ble.

And of course the device can be used as a node MySensors!

Video: https://youtu.be/ZNQcSWiAE7I

A great device for learning nRF52.

GitHub - https://github.com/smartboxchannel/EFEKTA-nRF52840-MINI-DEV-BOARD (links, gerber, cod, bom, foto)

...I hope this development will deserve your like