DESIGN A MOBILE GAS SENSING SYSTEM USING ARDUINO UNO WITH RECORDING AND MONITORING DATA

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Ammar Yaseen Burjes
Ghader Salim Aziz
Haneafa Yahya Najm

Abstract

This work intends to design and implement of a mobile system for gas detector and measuring the data of (relative humidity H%, temperature in Celsius &Fahrenheit) which can be used in homes or in the workplace such as laboratories. Specifically, this paper aims to answer how to design a prototype (software and hardware) for gas detection and its performance in terms of detecting both liquefied petroleum gas (LPG) and smoke, through the use of the MQ2 sensor, as well as measuring the humidity and temperature in (oC, oF) by using the DHT11, through the connecting them with the Arduino UNO. The results of this work were display through serial monitor by Arduino window & at the same time it is displayed on the LCD screen, meaning the presence of a gas is detected or no gas is detected “Its alarm system by buzzer and red led”, in addition to displaying the value of temperature and humidity (oC, oF, H%). Also, through the programming process, the results of this work are displayed and stored on the Excel program which are (date, time, oC, oF, H%, ratio of gas detecting ppm), and on same time recorded data on a memory card which added portable device. The executing cost is ($17) which is very cheap.

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