Smart water system with Internet of Things (IoT)

Abdul Amir, Munirah (2020) Smart water system with Internet of Things (IoT). Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Malaysia is blessed with rain and sunlight every day in a year. The continuous supply of solar energy should be utilised efficiently to optimised free electrical energy. Water crises have led to water rationing and impacts on consumers’ life and well-being. Therefore, this project aims to design and develop a Smart Water System with Internet of Things (IoT) and to implement renewable energy such as solar to the system. This project is a prototype covers the hardware part, software part and system integration. The hardware part consists of the ESP 32 microcontroller, solar panel, DHT 22, voltage sensor, ultrasonic sensor, smartphone, above ground pipeline and 10 L of water tank while the software part used are Arduino IDE which uses C++ language, Blynk app and java script for the Blynk local server. This project is conducted in Kajang, Selangor. As the result, the deep sleep mode in ESP 32 can save voltage consumption by 99.99%. Besides, real time monitoring Blynk app dashboard consists of graphs of rainwater level (cm, L and %) and energy monitoring (Vrms, Irms, W and kWh), display value of temperature (◦C), humidity (%) and water pump status (on/off). The comparison 10 L of rain water and 10 L of paid water resulted to the reduction of 84.4319 % monthly bills. Therefore, this project achieved its objectives and contributes in world Sustainable Development Goals (SDG).

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