Having read this whole topic from top to bottom, I feel the need to share THIS piece of info, as it might prove useful to anyone having trouble including devices.
Slightly off topic (but I have a question for TedTolboom)
Do you know when or if this kind of device will be supported by Homey ?
I believe that you, as a developer, have access to the Homey api’s and/or understand them better. Thanks.
Xiaomi/ClearGrass/Qingping bluetooth e-ink temperature sensor:
I have them and the e-ink screen is the best solution on the market to this day.