Firmware 2.2.1 API document (to be released) Firmware 2.2.0 API document (current) Archived API docs of previous version (2.1.0~2.1.9)

Background By default, the OpenSprinkler firmware directs the browser to retrieve Javascript files stored on a cloud server to render the UI on your devic...

The OpenSprinkler unified firmware can compile under both the Arduino environment and any Linux-based system. The instructions on this page are for the ...

Introduction Although OpenSprinkler is primarily a sprinkler controller, it's fundamentally a web-based controller with a sophisticated timer and an...

Wired Ethernet module has been supported since OpenSprinkler v3.2. This is implemented by using an external Ethernet module (ENC28J60 for OS 3.2, and W5500 ...

Firmware 2.1.6 has become large enough that it exceeds the non-bootloader section of OpenSprinkler (OS) 2.1. In order to update OS 2.1 to firmware 2.1.6 (...