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.

Thursday, 21 August 2025

Naginata Style (薙刀式) for typing in Japanese

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Naginata Style (薙刀式) , by author Toshihiko Ōoka (大岡俊彦), is a Japanese kana-based keyboard layout which caught my interest. It was developed ...

Friday, 1 August 2025

My first self-built computer keyboard - the Gamma Omega TC36K

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This week I finished my first self-built computer keyboard, the Gamma Omega TC36K . I've just used it to type up this brief summary of m...

Friday, 4 July 2025

My first keyboard PCB design - a diode-free 36 key ergonomic layout

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My previous blog posts talked about diode-free keyboard designs using topology , and specifically using a partial Tutte-Coxeter graph for ke...

Friday, 30 May 2025

Mechanical keyboard wiring using the Tutte-Coxeter graph

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Following my post on Topology meets Keyboard Design , I spent a few days exploring small less symmetric graphs, trying to find something in ...

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Friday, 23 May 2025

Topology meets custom keyboard circuit design

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Lately I've been reading about ergonomic keyboards, including DIY, spilt keyboards, and custom layouts. I'm currently learning to t...

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