Keyboard Project Log

The Unplanned Goal

Make a wireless tenkeyless keyboard for controlling a media PC.

Progress

2010-07 ALPS

Acquire free Apple Extended Keyboard II.

2012-12 FASHION

Logitech K360: I got 2 for $26.

2013-06 The Matrix

Scan in the pair of membranes into a 2-bit image, joining the traces at the pins connection.
Erode image to reveal pad locations for labelling.
Generate a preview to verify label positions before flood-filling traces to map out the matrix:

Less popular keys such as PrintScreen are accessed through a Fn layer, so F13/F14/F15 will be mapped to media keys.

86 keys mapped in 12 columns and 12 rows
Pin040506070809101112131415
01TPGDNP3ICCAPLK2
02RBRCDELPIPEKNBRF10
03INSENDBKSPCZF8QPGUPLTILDE
16LSHFTEQF11F6F3FU
17RSHFTCOMMADESC0F7RIGHTPLPAU
18LCTLF1DOWNS9F5
19RCTLF2F12MINSJF9E
20LALT6ENTERYG1VOLDN
21RALTWCOLONSLASHOUPVOLUP
22LGUITABHOME4
23HV5Func78ALEFT
24QUOTEXSPACEF4DOTMLBRC

Next...

Await a sunny day for making retr0bright to unyellow the AEKII ABS. It's mildly noteworthy how the same pattern of yellowing emerges on them.

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