This is an old revision of the document!
Table of Contents
Thermostats
Google Nest
Operating Systems
Various hacks, root
All software versions of the Nest Thermostat are affected by this root package
A lot of hacks are available for this, and some of them allow root and SSH access. Things can be rendered to the display, but further functionality is unknown.
https://www.exploitee.rs/index.php/Nest_Hacking
https://www.youtube.com/watch?v=H3tmvpi4YR0
https://www.exploitee.rs/index.php/Exploiting_Nest_Thermostats
Honeywell Prestige
Operating Systems (ARM Cortex STM32F4)
Linux port (+ Doom)
The system boots from spi flash so it's easy to backup or replace it.
The given port is quite fully featured, capable of basic web server hosting, picture displaying, internet browsing, and much more. No code is supplied, but instructions are available to replicate. While the Doom port is included for notoriety, it does not utilize any OS, thus keeping it within this.
https://hackaday.com/2019/06/10/running-linux-on-a-thermostat/
https://www.youtube.com/watch?v=iQKnL692q0w
Johnson Controls GLAS
Operating Systems (ARM?)
Windows 10 IoT Edition
This is what runs stock on this thing, and apparently at times it will display parts of the original Windows shell. Quite cool.