That would be possible by reverse engineer the protocol and create a
custom firmware for the thermostat. Not sure the community of Home
Assistant would do that, given the installed base of the Nest and the
effort required.As a positive similar story,...
Hi RickI am just made aware BY ECCESSING THE DEVICE (I have not received
any notification) of discontinuation of support of Gen 1 & 2
thermostats. This decision is complete shame on Google.Gen 1 is in use
at my partent’s home, I have a second Gen3 th...