2023-06-01 (Th) KeyBoardolier Extension drafting

I drafted an Arduino Feather's footprint and outline and positioned it near the edge so I could plug into it from the side. Upon examination, this may interfere with the offhand keys. I also ordered, received, and drafted a PCF8574 IO expander module to read all the keys via serial commands instead of relying on the onboard IO. Last, I drew my LED cluster and a power switch.

I planned to make copies of one edge and stack them between the top and bottom later to fill the gap. Each strip would capture the bolt passing through and should be narrow enough to avoid internal components. I could also add wooden washers between the layers to save wood and ventilate the inside.
Parts to cut

The rest of the posts for this project have been arranged by date.
First time here?

Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8

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