General > General Technical Chat
Sell or use the one-offs vintage components?
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RoGeorge:
For personal projects, would you rather use a $20/pcs NOS component you already have sitting in the scrap boxes, or order whatever 20c/pcs might be used instead, then wait for delivery?  Maybe sell the few $20 a pop NOS?  :-//

Asking because it feels like a waste to use a $30 part from decades ago in a random project, when a nowadays part can replace that NOS while being 100 times cheaper, new, and with better specs.

For example, I was needing a few 7 segment digits.  Found some NOS miniature 4 digit 7 segments magnified in the scrap box, DL-340M, looking like this https://duckduckgo.com/?q=dl340m+led+display&iax=images&ia=images.  While searching for a datasheet, noticed that they cost about $30 on ebay?!? ???

I don't have an ebay account, and probably won't take the effort to sell 1pcs anyway, but now I know it costs a lot, so it feels like a waste to use those 7 segments in some random project.  And I have no "epic" project for a very small 4 digits 7 segments from the '80s display.  ;D
globoy:
If you're not going to sell them, then you might ask yourself what the people who will deal with your estate will do with them when you die.  Probably these parts will end up in the trash.  So if you never will sell them, then use them up!  Give them a life outside your storage bins.  At least you can appreciate them every time you use the gadget.
simba15:
I would use them, esp if you wont sell them.

Make a nice hosing and make it a conversation piece.


AVGresponding:
When I score NOS parts, it isn't to flip them or look at them, it's to use them. The current project I'm building uses NOS transistors (I do prefer metal cans), reclaimed parts (some things are just too expensive to buy), and cheap ebay stuff...
RoGeorge:
The plan was to use that little 7 segments display to make a minutes timer, so to measure the capacity of 5V USB powerbanks.  A rarely used timer is not worthy enough for a $30 display.

Had to come up with something else as a timer, here's the substitute for the $30 display:


https://www.eevblog.com/forum/projects/verylazylogger-(measure-usb-powerbank-capacity)/

Measures time very well. ;D
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