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Meeting Notes (2020 09 01)

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Alex McLain edited this page Sep 7, 2020 · 1 revision

Meeting Notes

  • We're almost happy with the PCB design we have.

    • We need to look into the solder paste stencil options. We probably want it for the LED matrix drivers; they have soldered thermal pads.
    • Can we get a stencil for just the area around the ICs? Does that save on cost at all?

  • When we send the PCB off to manufacturing we should package it as a GitHub release.

  • What do we get?

    • JLCPCB makes us a raw circuit board.
    • We buy the components (Digikey, etc.) and populate the boards ourselves.

  • Plate or PCB-mount keys?

    • We have holes in the PCB for PCB-mounted switches. Not going to have a switch plate for the dev board.
      • The plastic legs can be snipped off if you want to use them as plate-mounted later.
    • Need to buy keys + key caps.
    • NovelKeys

  • We want to spec reputable parts and suppliers on the BOM to ensure quality and availability.

    • The hardware will officially support the parts we specify.
    • Folks can decline to opt in to our bulk orders if they want to make their own substitutions and waive official support.

  • PRUs (for matrix scanning)

  • Engine tests

    • We need to test that after unregistering a paintable function it gets called at most once after unregistration.

  • We're going to need the key binding feature (#105) if we're building a 68 key keyboard so that we can make our own individual trade-offs for which keys we want to be able to use.

  • Brainstorming how the Xebow repo gets used for various keyboard implementations

    • Git submodule style or a "git overlay". Xebow is base code and the implementation is overlaid on top of that.
    • Xebow is a base library and it can be passed implementation details (i.e. layout) from an implementation.
    • Plugin system?

  • We should push the translation from keyboard units ("U") to pixels further down the view layer (to HTML/CSS). Right now the conversion is happening in the LiveView genserver.

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