OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Bee (OSBee) › I see now that OSBee is what I need! › Reply To: I see now that OSBee is what I need! May 21, 2017 at 3:38 pm #46354 RayKeymaster OSBee does NOT have the same firmware as OSPi — it has its own built-in user interface and it does not use the OpenSprinkler mobile app. Also, it supports only 3 zones and not expandable. You said you use 4 relay boards.
