Embodiments of the disclosure relate to automated water sprinkler systems, and more particularly to programmable electronically controlled sprinkler systems which are controllable to affect sprinkler direction and time of watering over a defined coverage pattern. The particular improvements disclosed herein relate to location awareness of the system based on physical location of the unit relative to one or more base platforms, as well as gesture/motion control of the unit for manual operation through the use of an on-board accelerometer.

An adjustable arc irrigation spray nozzle can include one or more features including a dual orifice, a multi-trajectory ramp, radial ribs, an impedance wall, and/or a variable orifice.