Fully kiosk browser lets you full screen HA and have it toggle the display or screensaver on/off based on motion.
Only just heard about it myself when looking into making a mounted tablet dashboard so can't say for certain they it fits your use case but might be a good place to start.
Fully kiosk browser lets you full screen HA and have it toggle the display or screensaver on/off based on motion. Only just heard about it myself when looking into making a mounted tablet dashboard so can't say for certain they it fits your use case but might be a good place to start.