Your unsupported Nest thermostat might be saved by this free, open-source project

Nest Learning Thermostat wiring.

What you need to know

• Google dropped support for the original and second-generation Nest Learning Thermostats last month.
• Now, a free and open-source project that brings back remote control and more is in the testing phase.
• The project involves flashing unsupported thermostats with a custom bootloader, and redirecting cloud activity to a new, fully-supported remote control server.