How we turned the Replay keynote surprise into an open-source embedded playground
5/26/2026
This post details the open-sourcing of the firmware, hardware design package, fabrication files, documentation site, release asset documentation, flashing tools, MicroPython examples, and community app infrastructure for a custom hardware badge. It covers the technical challenges of integrating hardware constraints with software development, managing resource allocation on embedded systems, and structuring the project for community contribution and modification.