Don’t blame us for the title. [CCrome] admits it may well be the cheapest and worst IR camera available. The concept is surprisingly simple. Mount a cheap Harbor Freight non-contact thermometer ...

These sets are also available with low-profile connectors like micro HDMI and USB-C, which allow for some very compact builds. [Matt] from [DIY Perks] used one of these sets to build a slimline ...

The steps are as simple as drilling small hole in the camera's water proof case to allow access to the USB charging port. From there, you can supply constant power through a 12-volt USB adapter.