Development of IoT based emergency vehicle alert system using NodeMCU

Hamirudin, Abdul Muiz (2020) Development of IoT based emergency vehicle alert system using NodeMCU. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Emergency vehicles such as police car, fire truck and ambulance need to arrive to their destination quickly and safely. Sirens and warning lights mounted in emergency vehicles are as tools to facilitate their movement through traffic to get them to their destination without any obstruction. However, there are some drivers who are unaware of the presence of the emergency vehicle. This is because some drivers like to listen to loud audio and some vehicles are equipped with a noise-canceling device resulting less outside noise can be heard from inside chassis. Therefore, there are several alert systems have been proposed to alert nearby vehicles with the presence of the emergency vehicles. In this paper, IoT based emergency vehicle alert system is proposed. In this system, NodeMCU, GPS module with antenna and LCD display are utilized as the hardware. For the software, Fritzing, Firebase Realtime Database and Arduino IDE are used to configure the activity of the system and MIT App Inventor is used to develop an application that provides a notification and inform the nearby vehicles the location of the emergency vehicle via map through smart phone. As the result, GPS module able to transmit the coordinates information of the emergency vehicle to the Firebase Realtime Database. Then the nearby driver within a radius range of 3.0 km from emergency vehicle receives a notification of “Emergency Vehicle Detected”. Thus, the driver can open the maps to view the location of the emergency vehicle. It is shows that the data from NodeMCU successfully transmitted and received between NodeMCU, Firebase and the application

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