Astro-Beano

Novice astronomer and photographer near Dundee, Scotland, starting out with his first telescope. Also dissects webcams & puts them in bird boxes, and tinkers with Raspberry Pi projects.

Tuesday, 2 December 2025

Slump52 - an ErgoMech keyboard with number pad

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Up until now, I have had three different keyboard PCBs fabricated to my own design - all diode-free using Graph Theory. The Gamma Omega TC36...

Friday, 28 November 2025

Small girth 6 graphs for keyboard wiring

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This post is an expanded and reworked version of the table in my first keyboards and Graph Theory blog post , listing the best (in terms of ...

Friday, 14 November 2025

Curvy or Curly keyboard layouts

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My journey into the world of DIY Ergonomic Mechanical Keyboards began when my Microsoft Natural Ergonomic Keyboard 4000 started to fail. Th...

Thursday, 23 October 2025

My third keyboard design: diode-free, 34-keys, Bluetooth, spilt

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Back when I was first looking at DIY keyboard designs, one that caught my eye was the Forager - a cute little 34-key wireless split keyboard...

Tuesday, 14 October 2025

No Logo Tech NRF52840 controller boards

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It turns out that ProMicro footprint clone of the Nice!Nano v2 controller with 21 GPIOs (which I bought for my Hesse Bluetooth keyboard ) is...

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