Keyboard Builders' Digest
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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.

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There are 12 entries in this issue:

Editorial

Behind the Scenes of Issue 76

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


Projects

The btrfld

u/SolidusHal's btrfld is a quite unique foldable, low profile, tenting keyboard.


Melodicade MX

The Melodicade MX is a portable 6+ octave MIDI keyboard by Michael from KOOP Instruments showcasing the Wicki-Hayden layout.


Sparrow62

Atsushi Morimoto's Sparrow62 is a split keyboard sporting a single Pi Pico with KMK.


Toast keyboard

Toast keyboard is an open-source split design by u/vpz for those with index fingers shorter than ring.


Reviung_ish

Frederik's keyboard dubbed the Reviung_ish extends the distinctive Reviung layout with a number row.


Tips & Tricks

Square or round-robin matrix

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.


Truchet tiles

Random Truchet tiles on your PCB's silk screen.


Keyboard Spotting

1970s Cortron keyboard

A gorgeous Cortron keyboard with ITW magnetic valve switches made for Sperry Univac systems. Posted by u/catsontuesday.


IBM CANPOS

Sharktastica posted an IBM CANPOS (Compact Alphanumeric Point Of Sale) keyboard with a pointing stick.


Datadesk LittleFingers

After buying a Datadesk LittleFingers LF-2100 keyboard, u/FansForFlorida posted an informative gallery.


Inspiration

PD_DECK

PD_DECK is a hot macropad by Monksoffunk primarily to control Lightroom.


This issue was made possible by the support of:
PCBWay, splitkb.com, MoErgo Glove80, u/chad3814, Aiksplace, @kaleid1990, @keebio, Clickety Split, ghsear.ch, cdc, Sean Grady, Bob Cotton, kiyejoco, FFKeebs, Richard Sutherland, @therick0996, Joel Simpson, Nuno Leitano, KEEBD, Spencer Blackwood, Yuan Liu, Davidjohn Gerena, Lev Popov, Christian Mladenov, Paul Kischlat, Alexey Alekhin, Fabian Suceveanu

Your support is crucial to help this project to survive.

Discussion over at r/mk!
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