GSM Based Home Security System using MQ-2 gas/Smoke sensor, Arduino uno and GSM module Sim 900A
Hello guys,In this video we will going to learn how to make a home security system using arduino and gsm module SIM900A
In project we call the home owner if there is gas leakage by any fault as well we also send alret SMS with desried text,
if by any case gas leakages then buzzer sounds, red led glows as message and call also make by gsm module.
download and modify the code according to your need and use it in your project.
This code is little different from that shown in video but it will work in same manner as in video
connect rx of gsm module to tx arduino ,tx to rx of arduino and gnd to gnd
connect red led to digitalpin 13 of arduino , greenled to pin no 11
connect buzzer to pin no 10
and input mq2 sensor to A0 of Arduino
and change the thresold value of sensor according to your sensitivity need.
Click here to download the code and schematic (https://github.com/technolabelectroni...)
for this project we need
1.GSM module(SIM900a)
2. Arduino(nano,uno,mega anyone)
4. one red and one green led
5. some jumper wires
6. buzzer
7. MQ-2 gas sensor
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