openthread.md

@@ -211,6 +211,12 @@ PING 2001:0:0:0:d68b:3ec2:f540:c19c (2001::d68b:3ec2:f540:c19c): 56 data bytes
 
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+#### EXTRA: nrf52840-mdk-usb-dongle
+
+- https://wiki.makerdiary.com/nrf52840-mdk-usb-dongle/programming/
+
+
+
 #### Notes
 
 Connectivity: Support openthread protocol (ipv6) on Mesh network (radio). to be demonstrated along doorlock (and vending machine)