Carbon Dioxide Measurement Via Infrared Absorption With Display

Mohd Shafihan , Mohd Said (2007) Carbon Dioxide Measurement Via Infrared Absorption With Display. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The development of this project is about the carbon dioxide measurement via infrared absorption with display. It is an upgrade project where the output of this measurement is display through the LED in form of voltage. Based to the phenomena which is carbon dioxide molecules absorb the infrared radiation, this project is important to identified the quantity of carbon dioxide in the air surrounding. The large quantity of the carbon dioxide can cause the greenhouse effect to the earth which is earth warming. The large quantity of the carbon dioxide in the air over the normal quantity also give negative impact to the human life such as tired, uncomfortable, and effect the body system. This is because the less quantity of the oxygen slows down the flow of the blood in the body system and affected the entire human limb. Via the identification of the quantity of the carbon dioxide through the development of this project, the method of avoid can be taken to control the contains of carbon dioxide from over the normal quantity especially in the closed area. Start from the development of the infrared transmitter and infrared receiver circuit, and also the display circuit, all this entire circuit is combined to identify the infrared absorption by the carbon dioxide. More carbon dioxide in the air, more infrared is absorbed. The receiver part will detect the unabsorb infrared to be process and displayed trough the LED in a form of voltage value.

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