This reminded me to go back and try the Kiosk app I used to use when I hosted my own dashboard in a browser. Testing out Fully Single Kiosk App (I uased to use the browser version). It does have scheduled on and off which would work for me. Will report back later…
Update: seems to work for scheduled on and off on my old standard Android tablet. It also has a dedicated Fire HD 8 app which I am trying now.
Correction: it DOES seem to have camera based motion - trying it out now, probably just for night time so it wakes up if I happen to walk past it at night…
Update 2: camera motion detection is exactly as I thought - you just have to wait too long. Find myself just waiting a few seconds when already in front of screen before I see the dashboard and everything is loaded. I’ll be using scheduled off for nighttime, and always on the rest of the time. Likely to be useful for others though - I guess this just leaves the wake on sensor. However, I think you would need a lot of sensors, spaced quite some way from the device to make this useful. Just my personal thought. Worth anyone interested in a wake feature playing with this though.
Final update: fire HD 8
Without rooting, it is not possible to unlock the screen on fire HD 8, so Fully Kiosk app can’t do it, and neither would Homehabit sadly. So I can schedule sleep and wake, but wake goes to lock screen, not immediately back to Homehabit.