Author Topic: Harvesting  (Read 446 times)

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Offline LomaxTopic starter

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Harvesting
« on: September 29, 2024, 02:41:09 pm »
It's that time of year, when the pile of old circuit boards has grown waist high, and it's time to harvest the crops... Not a massively bountiful yield this time, but enough to challenge me for storage :) Some highlights:

  • Two Clare Pendar 5V SIP relays
  • A ten digit VFD with integrated driver
  • A handful of Alps pots
  • A clutch of microswitches
  • A bushel of heatsinks (one with a cute little fan!)
  • A stack of full bridge rectifiers
  • A cluster of linear regulators
  • A profusion of power MOSFETs and BJTs
  • An abundance of PCB terminal blocks
  • A vertical CR2032 battery holder
  • A fistful of optocouplers
  • A couple of OPAmps
  • Some DIL sockets
  • A load of beefy electrolytics (tested good)
  • A few crystal oscillators
  • A smattering of trimpots
  • A mound of power resistors
  • Thermistors, inductors, X/Y/1/2 caps, MOVs, GDTs...
  • BNC, Ethernet, USB, 3.5mm, Firewire(!) and SATA PCB sockets

Perhaps best of all, I can now empty the box and start collecting for next year's harvest... ::) What are you harvesting this year?
« Last Edit: September 29, 2024, 02:44:54 pm by Lomax »
 
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Online RoGeorge

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Re: Harvesting
« Reply #1 on: September 29, 2024, 06:09:02 pm »
Nice add to your inventory!  :-+

Lately I've stopped desoldering the parts in advance.  I let them stay on their original PCB, and only desolder when needed.  That way is easier to browse the inventory, and the components remain "self-documented" by the vicinity with the nearby components and by the provenience of the PCB.

Sometimes I reuse an entire area of the PCB by snapping or cutting out the PCB, then reuse that as a module in another build, without desoldering any components.
 
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Online Gyro

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Re: Harvesting
« Reply #2 on: September 29, 2024, 07:04:21 pm »
You missed the two common mode chokes. ;)
Best Regards, Chris
 
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Offline LomaxTopic starter

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Re: Harvesting
« Reply #3 on: September 30, 2024, 03:30:26 pm »
I also harvested an acre of jellybeans that had been planted way back in 1990. This time the yield was more abundant and included a quad of dual comparators, an analogue switch IC, a 6-bit DAC and a cute little reset chip with battery back-up. Oh and another full bridge rectifier, of course. The EPROM sat in a turned pin socket too :) Just for a laugh I desoldered a 3V lithium backup battery and was astonished to see it still bang on three volts thirty plus years later :o

You missed the two common mode chokes. ;)
Thanks, nabbed them too!

Nice add to your inventory!  :-+

Lately I've stopped desoldering the parts in advance.  I let them stay on their original PCB, and only desolder when needed.  That way is easier to browse the inventory, and the components remain "self-documented" by the vicinity with the nearby components and by the provenience of the PCB.

Thank you :) I do keep boards with any significant amount of SMD parts, but THT I like to desolder and put in my assorters. The sense of order gives me a warm fuzzy feeling - very therapeutic ;)
« Last Edit: September 30, 2024, 03:33:29 pm by Lomax »
 

Offline nctnico

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Re: Harvesting
« Reply #4 on: September 30, 2024, 03:36:22 pm »
Suddenly I get an idea for a new song. It is called 'Hoarders Paradise' to the music of 'Gangsta's Paradise' from Coolio
There are small lies, big lies and then there is what is on the screen of your oscilloscope.
 
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