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Old 12-10-2021, 02:49 PM   #2
katadelos
rm -rf /
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Posts: 219
Karma: 3333683
Join Date: Nov 2019
Location: United Kingdom
Device: K5, KT, KT2, KT3, KT4, KV, PW2, PW3, PW4, PW5
Not enough info here, we'd need to hear more about your intended use case before being able to assist more.
  • What model + firmware are your Kindles?
  • Are you planning on running the devices on battery power during your installation?
  • When you say "power-on", do you mean a cold start as in, first boot on a brand new device/completely dead device being charged or just waking the device up as a cover or the power button would do?
  • What connectivity options do you have at the site of your installation? If WiFi is an option, it wouldn't be difficult to create a simple server to control brightness over HTTP
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