Keyboard Builders' Digest
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Issue 70 / Week 12 / 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:


Behind the Scenes of Issue 70

Orion terminal eviscerated, new supporter, new shops added to the vendor database.


Bolt Industries Pico 87

An open-source tenkeyless mechanical keyboard powered by a Raspberry Pi Pico and BMK, a custom Arduino IDE firmware.

Red Herring solenoid edition

Ming-Gih Lam updated the Red Herring PCB with an on-board solenoid.


SlabV by u/brickbots is a 36% keyboard with stacked acrylic construction and silicone gaskets.

FCS42S keyboard

Ho's FCS42S is a split keyboard with adjustable per-column offsets and pinky splay.

Metal Boston

Pylon open-sourced the metal version of his Boston, a "compact 120% battleship".

Tips & Tricks

Quefrency Flipper case

u/Phobokin_Chicken designed and printed a Flipper case for the Quefrency Rev 3.

TinyS3 controller

UnexpectedMaker's TinyS3 is a development board featuring the ESP32-S3 controller, and offering both wired and wireless connection.

Keyboard Spotting

Orion ADP 2052

This is an Orion ADP 2052 terminal with a TKI keyboard from 1983. Rafi switches, physically locking Alfa Lock, some backlit keys and an intimidating cable and connector.


Assembling 100.000 switches per day

u/Muilkinginuk posted a video of the assembly line at TTC(?) manufacturing 100 thousand switches per day.

Ceramic keycaps

u/HydrakeyCeramic introduces new ceramic keycaps.

Dyed... everything!

Custom dyed cable parts u/voxels-box – all to match an artisan.

This issue was made possible by the support of:, MoErgo Glove80, u/chad3814, Aiksplace, @keebio, @kaleid1990,, cdc, Timo, kiyejoco, Bob Cotton, Sean Grady, FFKeebs, Piero N Zamora, @therick0996, Spencer Blackwood, Joel Simpson, Nuno Leitano, KEEBD, Davidjohn Gerena, Yuan Liu

Your support is crucial to help this project to survive.

Discussion over at r/mk!