[CCrome] admits it may well be the cheapest and worst IR camera available ... If you need some inspiration for a use case, look at the thermal camera contest from a few years back.

Thermal imagers work because they have a special hardware, the infrared detector, which helps the camera see heat emissions ... and how-to tips, one email at a time.

[Manawyrm] and [Toble_Miner] found this was true of a particular inexpensive thermal camera that ships ... a SC240N variant of the InfiRay C200 infrared camera, which ships with a Hisilicon ...

usually in the near or short-wavelength infrared; and passive cameras, which detect the thermal radiation given off by a warm object, typically in the mid- or long-wavelength infrared, without the ...