RavenSystem/esp-homekit-devices

HAA - Home Accessory Architect is a firmware that enables native Apple HomeKit support on ESP32, ESP32-S, ESP32-C, and ESP8266 microcontrollers.

The project solves the problem of adding HomeKit compatibility to off-the-shelf IoT devices like Shelly, Sonoff, and Tuya products that lack native Apple Home integration. It works by replacing the device firmware with a custom implementation that handles HomeKit protocol communication and allows extensive customization of device behavior through configuration options. The firmware supports many different HomeKit service types, giving users flexibility in how they expose device capabilities to Apple Home.

Developers should choose this firmware if they own compatible ESP-based smart home devices and want to integrate them into Apple Home without relying on manufacturer cloud services or third-party bridges. It suits projects where you have direct access to the device hardware and are comfortable with firmware flashing. The project provides a companion iOS app for managing HAA devices, including batch updates and setup mode configuration, available as a paid purchase.

The project maintains active engagement with its community through a detailed wiki documenting service types and configuration options. Development activity shows consistent attention to supporting the expanding range of ESP chip variants as manufacturers release new hardware. The codebase demonstrates ongoing refinement of HomeKit protocol implementation to maintain compatibility with Apple's requirements. The maintainers have built complementary tools and applications around the core firmware, indicating sustained investment in the ecosystem.