[Gonzho] has been busy the last few years working on his own Arduino Powered Open Source heat pump controller, and the project logs show some nice details of what it takes to start experimenting ...

He’s using an Arduino Uno clone called the Seeduino Lotus, which has easy to use Grove connectors on it for interfacing with their plug-in modules. A temperature sensor monitors the room ...

Then FLiR figured out how to make the required sensors ... you can get heat vision in an iPhone case now. Now, with this tiny board, you can bring heat vision into any of your Arduino/Raspberry ...