Development of portable vehicle noise pressure level monitoring system

Zainol, Ahmad Nazril Hasan (2023) Development of portable vehicle noise pressure level monitoring system. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

Noise pollution can affect of loss hearing. Environment noise sum of all noises present like motor vehicle, airplanes, trains and industrial. This project explains a Portable Vehicle Noise Pressure Level Monitoring System that can be monitoring by wireless system and connect to Blynk application which can be downloaded from smartphone. Components can get from any store electronic for work tool and education purpose. Micro-controller with wireless system can easily do prototype by offers a simple one but powerful design be used everywhere and anytime. It would be convenient for beginners for develop for educational purposes since open source was provided. This project provides an overview of micro-controller type, noise monitoring sensors, wireless system implementation using WIFI, hardware used for the development of this project as well as hardware and software implementation. This project will generally explain the background of micro-controller and the wireless system and comparing this project to normal product without wireless system. With few components selected that suitable for students, students were able to learn and create this project, Microphone Sound Detector and Ultrasonic Sensor. These components were selected as the main components with micro-controller had bigger memory and lots of header compared with another micro-controller in the market. With bigger memory and many headers, we can simply use any pins number in the micro-controller according to the Microphone Sound Detector and Ultrasonic Sensor coding. This report also show the efficiency between this project value and sound level meter value. It can be acceptable cause the error percentage below than 10%. Not only focus to vehicle, it also can measure the surrounding environment noise use this project. User can alert about noise pollution by monitoring thru this project. For recommendation, student can also adding another sensor like air quality sensor for monitoring air surrounding to prevent air pollution.

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