Ever thought about how devices can sniff out gas leaks and keep you safe, without you lifting a finger? That’s where a gas leakage detector comes in. It's a simple yet useful project you can build yourself using Arduino. In this guide, we will walk you through how to make your own gas detection system with all the schematics and code you need to get started.
What is a Gas Leakage Detector?
A gas leakage detector uses MQ-5 gas sensor to identify the presence of combustible gases such as LPG, methane, and smoke in the air. When gas concentration exceeds a certain threshold, it triggers a buzzer and alerts users through a connected display or indicator.
Components Required
To build this project, you will need:
- Arduino Uno
- MQ-5 Gas Sensor
- Buzzer
- LED
- 16x2 LCD Display (with I2C Module)
- Resistors
- Jumper Wires & Breadboard
- 5V Power Supply
Circuit Diagram of Gas Leakage Detector Using Arduino
The MQ-5 sensor’s digital output goes to pin A2, while a buzzer (on A0) and an LED (on A1) provide alerts when gas is detected. A common ground is shared, and you can also power the system using USB or a regular adapter. When gas is detected, the Arduino turns on a buzzer and LED.
Applications of Gas Leakage Detectors
- Home safety and kitchen monitoring
- Industrial gas leak detection
- Smart home automation systems
- Educational electronics and IoT projects
Click here to explore the project in detail: How to Build a Gas Leakage Detector Using Arduino: Complete DIY Guide
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