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Arduino ESP8266 Internet of things

Smart gas leak detection system with Arduino

Detecting gas leaks at industrial sites can not only be dangerous and time-consuming, but also subject to human misinterpretation.

In order to remedy the risks associated with gas leaks, we install gas leak detection systems which, thanks to detection heads, will give an alarm.

Purpose of this project :

In this project we will realize a gas leak detection system controlled by the Arduino board connected to the Internet.

It mainly uses MQ-4 gas sensor, when the sensor detects gas leak, the Arduino board will send alert email by WIFI.

Necessary components

  • Arduino
  • MQ-4 sensor
  • ESP8266 wifi module

  • Connecting wires

  • Test plate

  • Wifi network

Mounting

To perform the assembly, you can connect:

for the MQ-4 sensor:

  • pin DO to pin A0 of the Arduino board

  • the VCC pin to the 5V pin of the Arduino board
  • the GND pin to the GND pin of the Arduino board

For ESP8266 module :

  • The RX pin to pin 4 of the Arduino board

  • The TX pin to pin 3 of the Arduino board

  • The GND pin to the GND of the Arduino board

  • The two pins 3V3 and EN to the 5V pin of the power supply module

  • The RST pin to pin 8 of the Arduino board the two pins 3V3 and EN to the 5V pin of the power supply module

Program:

Here is the program of the intelligent gas leak detection system connected to the Internet:




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