Design and Simulation of an Automated Motion Sensing Sprinkler System

Sprinkler systems are usually found around both corporate and
industrial areas, where they are often used to water lawns. At
most times, sprinkler systems operate during working hours.
Hence the sprinklers tend to disturb the everyday movement of
by-passers (workers and students) by spraying them with water
('water jetting'). This poses a problem to workers' daily
activities as they must opt for alternative routes to avoid areas
with sprinklers, which is a tedious and inconvenient process.
This paper presents the design and simulation of an Automated
Motion Sensing Sprinkler System (AMSSS), which automates
controlling the spray distance and tilting of water sprinklers
upon motion detection to prevent water jetting of workers and
students. The presented work is designed to interface between
sprinklers and their water supply via water pumps to control the
water flow rate and the sprinkler spray distance. Furthermore,
it uses a tilt mechanism actuator controlled by a motor to direct
water spray area or location. The system is based on Passive
Infrared (PIR) sensors, NE 555 timers, and SR latches to detect
motion and provide the signals used to control and coordinate
the sprinkler spray patterns. The circuit was designed,
simulated, and tested in Proteus with positive results.