Issue 76 / Week 18 / 2022

This is a hand-picked selection of last week's content from a keyboard enthusiast's perspective. Posts that may teach you something, make you think and contribute to the common knowledge of the DIY builder community.

There are 12 entries in this issue:

Editorial

• Duplex matrix feedback, round-robin matrix research. New donors, April stats, upcoming KBD.NEWS scholarship(?).

• u/SolidusHal's btrfld is a quite unique foldable, low profile, tenting keyboard. (source)
• The Melodicade MX is a portable 6+ octave MIDI keyboard by Michael from KOOP Instruments showcasing the Wicki-Hayden layout.
• Atsushi Morimoto's Sparrow62 is a split keyboard sporting a single Pi Pico with KMK.
• Toast keyboard is an open-source split design by u/vpz for those with index fingers shorter than ring. (source)
• Frederik's keyboard dubbed the Reviung_ish extends the distinctive Reviung layout with a number row. (source)

• Let me introduce the square or round-robin matrix (aka Charlieplexing for keyboards) – a very tricky one promising 380 keys with a single Pro Micro.
• Random Truchet tiles on your PCB's silk screen.

• A gorgeous Cortron keyboard with ITW magnetic valve switches made for Sperry Univac systems. Posted by u/catsontuesday. (source)
• Sharktastica posted an IBM CANPOS (Compact Alphanumeric Point Of Sale) keyboard with a pointing stick. (source)
• After buying a Datadesk LittleFingers LF-2100 keyboard, u/FansForFlorida posted an informative gallery. (source)

• PD_DECK is a hot macropad by Monksoffunk primarily to control Lightroom. (source)

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