31 Comments

  1. State of the art circa 1976.

  2. I feel like its the 70’s. lol

    Someone likes punishment with all that wire wrap.

  3. that’s insane….amazing job <3

  4. I thought “looks like a nice blue PCB.” That’s when I saw all the little wires, omg, what a time warp! Those wires are so fiddly. It looks super tidy, great job!

  5. Did you use regular male headers for the pins?

  6. it looks pretty damn neat and tidy.

    but honestly wirewrapping always seemed like such a painfully time consuming and hard to debug process to me.

    like how long does it take to wire up a simple 65C02 Computer like this? does the tool also cut the wire or do you have to measure and cut it beforehand? if it also cuts it then it’s much less tedious than going for proper wire lengths on a boardboard. but still i’d imagine finding errors and which wire goes to where on a board as packed as this must be hell (without using different colors).

  7. Superior construction technique

  8. Somewhere in my pile of ancient artifacts, I still have my old wirewrap tool from like 1983.

    When I was in college, the end-of-semester challenge for one of my 101-level classes (digital fundamentals IIRC) was to build a simple decade counter that drove a 7-segment LED. The build method was wirewrap. Since I had been a hobbyist prior to that, while the rest of the class made said simple counter I basically made a functional bomb timer – 3-digit display, precisely controllable variable countdown speed, and stopped counting down and closed a relay on zero. Needless to say this would not have gone over well nowadays but back then my prof loved it.

    And out in my shed I have a desktop CNC mill for making PCBs that can route 8 mil traces.

    Something old, something new…

  9. That’s nuts, my friend. I’m trying to just do a small project with perf board and routing those tiny wires is a nightmare. Props to you on sticking with it and getting it done so cleanly.

  10. I used to wire wrap lots of boards, but only tried the soldered header technique once

  11. I…don’t see any decoupling capacitors – you did put some in? 10nf across the IC power pins, and 100nF per two ICs? And a chonking great 100uF across the whole board?

  12. Ahh, wire wrap. Use to do miles of that with waxed cotton and later nylon. Always like the cotton best.

  13. You’re giving me flashbacks to the older equipment we had in the Navy. You should have put a trigger warning on this.

  14. I don’t see any bypass capacitors. Does it function properly? At what clock speed?

  15. Wire wrapping is so much fun! Looks amazing!

  16. More patience than me, very neat job.

  17. You’re fucking sick. I love it!

  18. I am impressed at how neat the wiring is

  19. Very impressive! So tidy!

    [Here](https://imgur.com/nrR6O20) is my sloppier example of a 68000 board.

  20. Wire wrapping is almost a lost art. Love it 🙂

  21. So clean!
    I’d love a wire wrapper. I just thread and solder by hand.

  22. This gives off a weird retro aesthetic vibe which I’m all about.

  23. how did you do this? I’d honestly like to know since my pre pcb circuits are always so messy.

    Also great post!

  24. “What’s this wire wrap everyone’s talking abo- oh, oh my god”

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