I found that the following helped: by never turning it off it just continues where it left off last time it was used. This assumes power is independent of TV.
Useful Settings This ADB command kills the sleep timer:
adb shell settings put secure sleep_timeout 0 and this ADB command kills the screensaver:
adb shell settings put system screen_off_timeout 2147460000
Not sure if it’s helpful, but bigclivedotcom recently reverse engineered a toy with vias between layers for thermal transfer:
https://www.youtube.com/watch?v=qTeZVqoVe7U&t=257 at 4:00+
Hadn’t seen this technique in use before - but I know just enough to begin to know what I don’t know…