Heat pumps are often upwards of 3.5 COP, meaning they can move 3.5 units of heat energy from source to sink with only 1 unit of energy supplied to the mechanism doing that work. Report comment Reply ...

Now, with this tiny board, you can bring heat vision into any of your Arduino/Raspberry Pi DIY projects. At $350, it’s one of the more expensive Arduino accessories you can buy.

Using motion detectors and an Arduino you can trigger lights, fans, or even an pneumatically controlled cleaver-wielding clown to help add your house to the “if you dare” list. There are ...