Nucleus

Maker	Avalon Harmonics
Type	Geiger counter random trigger and gate source
Mounting	Through-hole
Width	8 HP
License	Open source (CC BY-SA 4.0 on the design files)
Difficulty	🌶️ Large through-hole

Uses a real Geiger Muller tube for its randomness. The internals stand 111 mm tall, so check the space between your rails before building.

Documentation

• Bill of materials (BOM)
• Schematic

Links

• Source / files on GitHub
• Maker page

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This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

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