Feather M0

last modified: October 23, 2025

Always-On Project

Posted on 2020-06-05— Common

I recently built 'Always-On', a minimal bidirectional mains-to-Feather bridge combining a power sensor and solid-state relay for safe home-control prototypes. I outline design choices, safe firmware testing without mains, and housing tips. If you're exploring a similar controller, read the full post for a practical starting point.

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Event-Based Firmware Example

Posted on 2019-08-05— C++, Improve your Code, Learn

I provide a complete event-loop firmware example for SAM‑D boards (Arduino Zero, Feather M0). I explain module design—Buttons, Display, and a support library—initialisation and polling logic, and link the source and demo. If you're curious, read the full post for code and implementation notes.

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