A thermal camera is a very handy tool to have, and [Learn Electronics Repair] wanted to try out the Thermal Master P2 for electronic repair, especially since it claims to have a 15 X digital zoom and 1.5 degree accuracy. The package proudly states the device is the “World 2nd Smallest Thermal Camera” — when only the second best will do.

The camera is tiny and connects to a PC or directly to a tablet or phone via USB C. However, it did look easier to use on the end of a cable for probing things like a PC motherboard. The focus was fairly long, so you couldn’t get extremely close to components with the camera. The zoom somewhat makes up for that, but of course, as you might expect, zooming in doesn’t give you any additional resolution.

He also compares the output with that of a multimeter he uses that includes an IR camera (added to our holiday gift list). That multimeter/camera combo focuses quite closely, which is handy when picking out a specific component. It also has a macro lens, which can zoom up even more.

We’ve looked at — or, more accurately, through — IR cameras in the past. If you are on a tight budget and you have a 3D printer, you might try this method for thermal imaging, but it doesn’t use the printer the way you probably think.

While most operating systems are written in C and C++, KolibriOS is written in pure x86 assembly and as a result small and lightweight enough to run off a standard 1.44 MB floppy disk, as demonstrated in a recent video by [Michael].

As a fork of 32-bit MenuetOS back in 2004, KolibriOS has since followed its own course, sticking to the x86 codebase and requiring only a modest system with an i586-compatible CPU, 8 MB of RAM and VESA-compatible videocard. Unlike MenuetOS’ proprietary x86_64 version, there’s no 64-bit in KolibriOS, but at this level you probably won’t miss it.

In the video by [Michael], the OS boots incredibly fast off both a 3.5″ floppy and a CD-ROM, with the CD-ROM version having the advantage of more software being provided with it, including shareware versions of DOOM and Wolfenstein 3D.

Although web browsers (e.g. Netsurf) are also provided, [Michael] did not get Ethernet working, though he doesn’t say whether he checked the hardware compatibility list. Quite a few common 3Com, Intel and Realtek NICs are supported out of the box.

For audio it was a similar story, with the hardware compatibility left unverified after audio was found to be not working. Despite this, the OS was fast, stable, runs DOOM smoothly and overall seems to be a great small OS for x86 platforms that could give an old system a new lease on life.

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