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flemingt

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    Ireland (the bigger European bit)

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  1. Hi @scorpio_ny great work carrying the concept forward. More than happy to host the updated files on the GitHub. I've lots of rev B boards left over so I might give this a go.
  2. I had a second look, of I were to replace it with a low profile socket, then it would interfere with a 14 pin IC. Looks like I'd need a low profile socket for that too.
  3. Definitely not how I'd choose to do it.
  4. 600xl, but I've my custom mechanical keyboard installed that takes up a bunch of space
  5. I think it's just the red cable socket that's causing the issue. No harm in revisiting the keyboard at some point, low profile switches would buy about 6mm of height which others may find useful for their mods. Besides, I've 4 rev b boards left over.
  6. Looks like I'll have to respin my mechanical keyboard, no clearance!
  7. Mine has arrived! Despite my best efforts to confuse the postal service by moving house 🤣
  8. Ireland (IE) rather than Iran (IR) 🤣👍
  9. Agreed, If I had a selection of them it would be pretty easy to measure up and adjust the spacings. I found the same, I had intended DuPont connectors initially, but ended up soldering directly to the keyboard PCB because of clearance. In my case it was with the U1MB and I redesigned its retention bracket to push it further back in the case to accommodate it. Similarly I notched the retaining bracket for the mainboard edge connector. It was pure luck that I was able to make an edge connector low-profile enough to fit. That is a really nice solution, it could simplify construction and assembly a lot. I'd love to see how your next one turns out. Many Happy Returns.
  10. Those files have been uploaded to my git-hub and the readme updated. I've spent some time on the keyboard PCB today to see if it would be easy to incorporate an optional resistor pack, unfortunately while it can be done it increases the complexity enormously. It may make more sense to modify (or create another variant) of the edge connector board to do this. This would add more height, which is not something I'd like. Perhaps if someone is making this in the future, and they really want that resistor pack, they could solder them in line with the cables and use some heat shrink to accomplish the same thing with less complexity.
  11. I'll certainly look into some of these suggestions once things get back to normal after Christmas holidays.
  12. Thanks for sharing @scorpio_ny would you mind if I added them to my github so that everything is in one place? I'll obviously accredit you. I wonder should I rework the traces on the PCB to optionally accommodate the resistor pack...?
  13. I'm glad that it came in useful. I just use a combination of calipers, eyeball, and iteration. Mostly using fusion 360 these days. I don't believe it does have onboard resistors, I've attached an old photo. Once you're happy with all of your parts send me on the GitHub link and I'll crosslink it on my PCB project page.
  14. Great work @scorpio_ny. If I build another keyboard I'll definitely take this approach, but for now mine is working. Did you take a look at the brackets I designed to clip the PCB to the cartridge slot hinge plates? The geometry may be useful. As for the resistor pack, my mylar KB 600xl never had one and it's working fine with the PCB. I was going to desolder the edge connector and go with Dupont headers but the pitch didn't seem quite right. Besides the thin daughter PCBs I had fabbed works ok.
  15. @NuClear235 I finished work on the PCB a long time ago. You will have to get the boards made yourself. It has provision for 5 pin switches. All the files are on my github: GitHub - flemingt/project-helena: Atari XL keyboard replacement I can't wait to see the plate design @scorpio_ny
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