Concertina v0.6.0 intermediate abstraction

Subject image

Logical nodes superimposed over this photo.

In galleries:

Neighbour image Keyboard wiring illustrations
 Neighbour image

Image originated 2020-11-01T07:14:54+00:00. References here: 3D keyboard wiring, Concertina v0.6.0 nodes.

Viewed 2021-06-15. Ugly in unsafe old browsers.