Centralized Post Paid Water Meter Controller Using Wireless Sensor Network

摘要

Conventional monitoring and termination system in Indonesia’s water company is done by direct inspection to each customer’s house. With the number of customers reaching 160,604, this system is no longer effective and efficient. In order to support the increasing needs of population, new technology is needed to centralized monitoring and controlling system. In this paper, we proposed the implementation of wireless sensor network (WSN) for centralized valve control in the form of digital water meter. The implementation uses water flow sensor to calculate water discharge, solenoid valve as valve controller, and LoRa SX1278 as communication between node and sink node. Results shown that the calculation of our proposed work is valid proved by sensor accuracy that reached 99,035%. Data transmission that used single-hop routing LoRa SX1278 showed 95% accuracy in 10 meters distance and 77% in 200 meters. Average time to communicate between node and concentrator is 1.0086 seconds while from concentrator to each node is 0.8818 seconds.