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, 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...

Tuesday, 7 October 2025

My second keyboard design: diode-free, 36-keys, Bluetooth

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About three months ago I blogged about my first keyboard PCB design , a diode-free PCB for an existing 36-key ergonomic case. Since this sum...

Friday, 12 September 2025

Removing parts of a STEP file in FreeCAD

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My first baby steps with FreeCAD for editing step files, the comparatively easy challenge of removing some block-like shapes in a 3D-printed...

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...

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