Development of flash flood early triggering system based on rainfall intensity and level increasing rate using NodeMCU ESP32

Muhammad Khairun, Maizatul Hanim (2022) Development of flash flood early triggering system based on rainfall intensity and level increasing rate using NodeMCU ESP32. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

Flooding in urban can happen suddenly, leaving residents with little time to prepare. Notifying the people who are most at danger helps to mitigate the disaster's effects. Residents can get flood alerts in some places, but most of them are for organizations and only cover a short distance. When flooding occurs, it takes time to reach closest neighbours, and most of them are unable to rescue their belongings. Floods cause chaos on people's homes, schools, and bridges. As a result, early warning and triggering systems can help citizens and governments avoid flood damage. The objective of developing this system is to analyze water level increasing rate of river or drainage system at urban area for flash flood early detection and notification system. Besides, to develop a system that able to estimate and measure rainfall intensity for early detection of flash flood. In addition, to develop a flash flood early detection and notification system based on evaluation of objective stated before. This proposed system use a flow rate sensor and an ultrasonic sensor to monitor rainfall intensity and the increasing rate at which the water level in a river or drainage rises. The siren and the Blynk apps will be used to alert residents in the surrounding region. An authority entity, such as BOMBA or APM, will be notified by Telegram Bot and will take appropriate action. Therefore, it is predicted that the system will aid in the process of relocating individuals in order to prevent substantial property damage and loss of life.

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