LM2596 Case with Barrel Socket

Just a quick and dirty case for the LM2596. In my case it's to step 12V down to 5V to power my ancient home CCTV unit.

So, a few days before Christmas, and full of the joys of the season, I went out to my car, only to discover that some @#&$bag had stolen the chrome dust caps from my car wheels! Thankfully I don't fit expensive ones anymore because it's not the first time it's happpened.

But it WAS the first time it's happened when my car was outside my garage, in full view of my CCTV. So, when I got back later on, I whipped out the CCTV's SD card to catch the varmints in the act. But Sod's Law prevailed: It turned out that the CCTV hadn't recorded anything. ...Since August!! Arrrgh!

Something in the CCTV's wall wart had died and left it putting out a very coarse 5.2V, 50Hz, wave. So although the lights were all on, it was just acting as a flickering candle LED, and none of the processing side was powered for long enough for it to boot into record mode.

I opened the wall wa