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I wonder how bad an idea it is to mount a raspi pico at a 90-degree angle to a PCB

I'm trying to design a keyboard that needs to fit into a small area (550mm by 15mm) and I realized I can technically get a little more room by making it have two right-angle PCBs. I could do that by designing two PCBs... or I could just have a pico mounted at 90 degrees!

Something not entirely unlike this.

@foone could you stick it on the back?

Foone🏳️‍⚧️

@cinebox Nope. Back is used to attach it to a surface, so it's gotta be flat.

@foone @cinebox At least there's a pin header between them! At first I was imagining just soldering one edge of castellated pads down, which I think I may have seen before on YouTube.

If you can have something between the PCB and the mounting surface, and you only need ~128 keys: Maybe a metrestick/yardstick? It'd let you split the PCB into sections, and you could mill out a section for the Pico on the back (or just mount the Pico at the end).