Hi,
I’m using HABPanel on a tablet. The question was how to hang up the tablet so I build a wall mount myself. You can get a short impression here https://youtu.be/f-wyEMk8vbo and some more details here https://chri5.lima-city.de/?p=90 ( sorry currently only in german but I think you can get the main points with the pictures).
By the way there is a second video giving a short overview about the CARDUINO device developed by myself ( based on Arduino). https://www.youtube.com/watch?v=9Nh8-3gT5PU&t=114s.
If somebody is interested I can give some more details in the future. Enjoy !