Thoughts: duinotech Yun WiFi Shield for Arduino-based devices

I have a little fleet of IoT things that are well, Internet of Things. Right now the latest addition to my fleet is a $80 koala buck duinotech Yun WiFi Shield, which looks like the one on the right. Basically, this seems to be a rebranded Dragino under Jaycar’s “duinotech” brand, and while the photo shows “YUN SHIELD V1.1.6”, the …