Yes, that sounds realFearNaBoinne wrote: ↑Thursday 07 May 2020 21:46 All information I found on the web is that it doesn't stay awake long enough to pick up and probably is not based on ESP8622... But I never really dug in to it too deep, so I am happy to be corrected if someone can provide better information.
besides, I hate battery devices, perhaps a better idea to buy some ESP8622's and magnet sensors at Ali, and build it myself.