10u revxlp prototype build

Been iterating a bit on my revxlp design, and a frequent request is for a 10u/“5 col” version.

Finally did a build of the first protos, and it’s working great! I want to do a few tweaks for the newly added ability to use the single color LEDs for either per -key or bottom backlighting, once that’s done I’ll formally release the changes.

This particular build was half soldered by our elder daughter, and she fully assembled post-soldering including keycap selection. I love the look she chose, which she said "reminded her of a sunset over the water"

  • 10u revxlp
  • XIAO RP2040 running ZMK
  • Keycaps:
    • MBK: dyes from MKU and factory dyes from LowProKB
    • Asymplex convex 1u artisans for the bottom row
  • Choc whites
  • MJF nylon case print from JLC
hansamann,
@hansamann@lemmy.world avatar

I still would love to build it but jlcpcb shows these mounting holes as not available… any better idea than just trying again every week?

felixwhynot,
@felixwhynot@lemmy.world avatar

What kind of keymap do you use on here? I’m interested in learning a layout with less keys so I can have a travel board and lazy fingers 🙃

petejohanson,

I’ll post my personal keymap a bit later. It’s mostly Callum style mod approach.

petejohanson,

https://lemmy.world/pictrs/image/1cfc2826-02be-4b6e-a652-fce617e6e804.png

Here’s a render of the keymap, you can see the file over at github.com/petejohanson/…/revxlp.keymap

hansamann,
@hansamann@lemmy.world avatar

Just checking - files/parts/build guide is not yet available, or did I miss it somewhere?

petejohanson,

It’s in a branch of the repo until I can address one or two minor issues, and some docs additions needed.

petejohanson,

10 work has been merged. I’ve got a bit more docs work to do on the new optional bottom facing single color LEDs, I would skip those for now.

hansamann,
@hansamann@lemmy.world avatar

Would you say 10u PCBs ready to order? Would order with jlcpcb assembly…

petejohanson,

Yes. The PCB and pick and place files all look good. Does seem that JLC now doesn’t have the threaded solder nuts in 2mm height for some reason, so you’d need to source those along w/ the hotswap socket, and any other parts they get grumpy about.

hansamann,
@hansamann@lemmy.world avatar

Just fyi - bottom plate Gerber’s for FR4 shows a 404 for me…

petejohanson,

Sorry about that. Fixed!

Let me double check the PCBA files… I didn’t get the 10u protos assembled, but they should be fine.

hansamann,
@hansamann@lemmy.world avatar

Awesome, you deserve thx so much. I will try again soon as some of the components are not available, indeed. Would be nice to get it assembled fully.

petejohanson,

Do remember that even with assembly on the bottom, you still need to solder the controller sockets, pogos, and battery connector.

hansamann,
@hansamann@lemmy.world avatar

This is it - thx so much, let me know when you think it’s ready and I am ready to build.

UtMan1988,

It looks like it belongs on the TOS Enterprise set

Lenbok,

Looks very similar to the humla (barring the different MCU). Cool board!

petejohanson,

Indeed! It was somewhat inevitable it was going to, but I still wanted to do it for the XIAO-ness of it.

joao,

Looks great, and probably a better job soldering than I’d be able to do.

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