OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Remote Stations question › Reply To: Remote Stations question May 16, 2018 at 3:20 pm #49983 RayKeymaster You only need SD card for this feature if you are using OpenSprinkler 2.0, 2.1, or 2.2. OpenSprinkler 2.3 comes with SD card, OpenSprinkler 3.0 uses internal flash memory, and RPi already has SD card, so none of them needs SD card.
