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SGLPG (Sewage Gases and Liquified Petroleum Gas) detector

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Motive

A fine afternoon after eating lunch while watching Tv a flash news popped on the screen : Gas leak tragedy with residents admitted to nearby hospital. After which I got to learn from statistics that currently gas leakage and deaths due to gas leakages are on the rise particularly in India. Therefore this made me create an initiative of detecting multiple gases using a single device.

This app- cum – device can be customised to detect multiple gases depending on its usage.

Technical Details

It consists of an MQ2 sensor , HC05 Bluetooth module , arduino UNO. I created my app using MIT app inventor and coded the device using Arduino IDE C++ language. Data is transmitted from sensor to the app through serial monitor and HC05 module. Calibration of the MQ2 gas sensor was not an easy task – it required several modifications and trials.