Show HN: EWatch – an ESP32-S3 dev board built into a watch

Category: other

Tags: esp32, firmware, wearable, modular, embedded

Score: 5.5/10 (Innovation: 6, Technical: 7, Documentation: 5, Utility: 4)

EWatch is an ESP32-S3-based smartwatch firmware with a modular OS featuring apps like Doom, BLE mouse, and Claude Code integration. The project is interesting for its extensive module system, host-side companions, and branch-based experimental development, but it remains a niche hobbyist platform.

Target audience: embedded developers, hardware hobbyists, makers

Repository: https://www.youtube.com/watch?v=X4DW4XNUbkc · C++ · MIT · 5 stars

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