Monday 2 December 2013

Use of ideal gas sensor to detect gas leak in store and generate alarm in case of leakage using microcontroller..

 

Abstract

An ideal gas sensor is used to design a kit along with alarm and messaging using gsm module to detect gas leak in gas storage tank. The sensor can also sense smoke, iso-butane,propane. In case of gas leak the output of the sensor will go low and it will be detected by microcontroller which will turn on alarm/buzzer and leds.

Circuit requirements

1.MQ-5 gas detector module
2.Microcontroller atmega 16 kit
3.LED (any colour)
4.Buzzer
5.Op-amp ic
6.Resistors
7.Power supply (5 Volts) 
8.gsm module

Block diagram

 
 

Block diagram description

MQ-5 sensor: When there is gas leak,the output of the sensor goes low.

Microcontroller: This is the main controller of the complete circuitry. As soon as the output of sensor goes low, the microcontroller activates buzzer, leds and exhaust.
 
GSM module: The GSM module is used to send message about gas leak at the dummy number.

 MQ-5module

 

  





GSM module 

You will have to buy gsm module from market and it will cost you about rs 800.



Microcontroller circuit


 Complete diagram

Circuit diagram




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