Design of a rest room exhaust ventilation system sensor for odor elimination

Subramaniam, Kuganeswarao (2022) Design of a rest room exhaust ventilation system sensor for odor elimination. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, many new inventions have been developed due to people's demands. This was supported by the development of new technologies. As technology develops there is more wastage happen. If we get to know the restroom at the UTeM technology campus there is a very bad smell if we pass by the restroom. Human comfort must be fulfilled without any wastage of energy. Most of the restroom is not ventilated properly or been ventilated with wastage of energy as the exhaust fan in the restroom will be operating all the time even there is no odor in the restroom. This project will only operate when there is unwanted gas in the restroom. This project aims to eliminate odor in the restroom. The sensor can identify the odor parameters such as CO2 and NH3 in the restroom prototype. Besides that, this system can compare the level of CO2 and NH3. Moreover, this project is to develop a low-cost fan system by using Arduino UNO as a platform to tackle the odor. The working process of this project is the carbon dioxide and ammonia sensor will be fixed at the top of the prototype and the pc fan will be located opposite of the sensors. The Arduino will be placed outside of the prototype to control the system. When the sensor detects the unwanted gasses, a signal will be sent to the Arduino and the Arduino will activate the pc fan to extract the odor in the space. Based on this project, can help the future industry by using this system in a building, can apply in the small and simple place and finally, user can be comfortable while using the restroom.

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