Gas Leakage Detector using Arduino and GSM Module with SMS Alert

Gas Leakage Detector using Arduino and GSM Module with SMS Alert and Sound Alarm

in this project i will show you how to make a Gas Leakage Detector using Arduino and GSM Module .in this project we use
1) arduino uno
2) GSM module SIM 800
3) 16*2 lcd display
4) I2C lcd display module
5) 12 Volt DC power supply
6) a SIM card
7) GAS sensor -MQ9
8) connecting wire

all the Connection of this project given below

LCD display to i2c display : simply connect LcD dispaly to i2c display module with parallel

i2c to arduino : i2c to arduino pin
+ to +
- to -
SCA TO A4
SDA TO A5

Arduino to Gas sensor : Gas sensor to Arduino pin
+ to +
- to -
A0 to A0

GSM to Arduino connection: GSM to arduino
RX to D9
TX to D10
Ground to Ground pin (must be )


code: https://drive.google.com/file/d/10S8A...

i2c Library : https://drive.google.com/open?id=1wWm...

how to use i2c and display?
   • How to connect i2C (16x2) lcd display...  

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