Design and analysis of low-cost indoor air quality monitoring device

Mohmad Sariff, Nurshazni Sahira (2022) Design and analysis of low-cost indoor air quality monitoring device. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Succeeding to the current issue of air quality, this low-cost monitoring device is developed to see whether the air quality in the FTKMP laboratory and campus area are in a good condition or not. Measuring the air quality is the main factor in spreading awareness about the need of ensuring a healthy life for future generations. This device can save cost, easy to access and to analyze the air quality in the FTKMP laboratory and campus area in real-time from the IoT platform that use the Blynk application. This project is to design and develop air quality monitoring device using Arduino Nano as a microcontroller paired with the ESP8266 wifi module which can help to display data in online while the gas sensors, temperature and humidity sensor detect the hazy day which can display the live data on the internet of things (IoT) using the Blynk application. The parameter that measured are the volume of carbon monoxide (CO) and carbon dioxide (CO₂), the temperature and the relative humidity. Other than that, this device can record for 24 hours of histories also it is easy to access and easy to maintain. The CO₂ sensor have calibrated by using the TSI Quest EVM7 and this device has proved that it can reduce cost on components while can monitored the air quality in the FTKMP laboratory and campus area.

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