Welcome to the Official Firmware Catalog
This directory contains current and historical firmware files as well as comprehensive release notes for your **OpenSprinkler** system (OS 3.x / ESP8266) and the **OpenSprinklerPro** platform (ESP32-C5). Under each version card you can view the changelog and verify build checksums (SHA256).
ESP32-C5 (ZigBee)
Designed for OpenSprinklerPro with Zigbee Gateway features. Offers smart home sensor/actuator integration and local Zigbee coordination.
ESP32-C5 (Matter)
Designed for standard Apple Home, Google Home, and Alexa Matter integration. Connects OpenSprinkler natively as Matter valves.
ESP8266 (OS 3.x)
Standard firmware image for existing OpenSprinkler 3.x hardware. Multi-language, secure schedules, and classic cloud integrations.
Version History & Archive
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