Search for: Log In Register OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Modifying the firmware This topic has 21 replies, 13 voices, and was last updated 5 years, 11 months ago by Ray. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Modifying the firmware