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I'm building a box to house my 3D printer, and I wanted a 12V supply to power LEDs and a extractor fan - so I raided the "dead phone" box and grabbed a barrel connector PSU and started looking for a panel mount female 5.5mm OD.
That's when I discovered there are two types: ID or 2.1mm or ID or 2.5mm.
And a little research* gave me the "official test" to find out which is which.
Grab a toothpick, break it in half. Stuff it in the hole in the middle. Turn it upside down. If it falls out, it's 2.5mm, if it doesn't, it's 2.1mm.
Because there is an standard for the thickness of round toothpicks: 2.1 to 2.2mm
And that's what I learned today: someone, somewhere, documented the size of a wooden stick ... and everybody went along with it.
* OK, OK ... a quick Google
Sent from my Amstrad PC 1640 Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
I just noticed an advert on the Codeproject ad section on the header. It was for Intel and it made reference to OpenVINO. I don't know, but to me that sounds clearly like a subliminal message (or maybe direct instruction) to open a bottle of wine........
Maybe it is a new naming convention, we will get CrackATinny and ProseGO or even HangoverSSL next
Looking at youtube... same could be said about idiocy
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
Last Visit: 13-Dec-19 18:52 Last Update: 13-Dec-19 18:52