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Now, it’s not a great picture, but it’s one of the few we have from that era.
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I use the Standard edition of Cadsoft’s EAGLE schematic capture and PCB layout program, which … meshes nicely with the capabilities of my Sherline CNC mill
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The secret, at least as far as I can tell, is slitting a nut to make a secure clamp for sawing, filing, and grinding.
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I needed more solder ribbon for resistance soldering, so I figured I should make a batch of the stuff.
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I should put it up on etsy.com for fifty bucks…
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They’re nominally 900 mAh, but the results are pretty much what you’d expect.
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A bunch of obsolete ICs; all I can say is they weren’t at the time.
