Wyostat: Open source Thermostat

https://www.electronics-lab.com/wyostat-open-source-thermostat/

Kevin has been working on building his own thermostat. He writes: Does the world need another connected thermostat? When my thermostat went on the blink last winter, I looked at Nest, and Ecobee, and the other me-too thermostats, and I decided I would rather build my own. Wyostat: Open source Thermostat – [Link]