MQ-4 Natural Gas Sensor Module for Methane (CNG) Gas Detection

The MQ-4 Natural Gas Sensor Module is a highly sensitive gas detection module designed for detecting Methane (CH₄), Compressed Natural Gas (CNG), and other natural gas concentrations in the surrounding environment. The module uses a semiconductor gas sensor that provides fast response, high sensitivity, and stable performance. It features both analog and digital outputs, making it easy to interface with microcontrollers such as Arduino, ESP32, Raspberry Pi, and other embedded systems. This sensor is widely used in gas leakage detection systems, safety monitoring devices, smart home projects, and industrial gas monitoring applications.

Key Features

• Detects Methane (CH₄) and Natural Gas (CNG)

• High sensitivity and fast response time

• Analog and digital output signals

• Adjustable sensitivity using onboard potentiometer

• Stable and reliable performance

• Easy interfacing with microcontrollers

• Built-in power and status indicators

• Suitable for safety and monitoring applications

Specifications

• Sensor Model: MQ-4

• Gas Detected: Methane (CH₄), Natural Gas (CNG)

• Operating Voltage: 5V DC

• Output Type: Analog and Digital

• Sensitivity Adjustment: Onboard Potentiometer

• Response Time: Fast Response

• Interface: Standard Module Pins

• Operating Temperature: Suitable for indoor monitoring applications

Applications

• Methane gas leak detection

• CNG leakage monitoring systems

• Smart home safety systems

• Industrial gas monitoring

• Gas alarm systems

• Environmental monitoring projects

• Arduino and ESP32 projects

• Educational and research applications

Package Includes

• 1 × MQ-4 Natural Gas Sensor Module

Benefits

• Provides early detection of methane and natural gas leaks

• Easy integration with development boards and controllers

• Adjustable sensitivity for different environments

• Reliable and cost-effective gas monitoring solution

• Suitable for both hobby and professional applications

The MQ-4 Natural Gas Sensor Module is an essential gas detection component for safety and monitoring applications, offering dependable methane and natural gas sensing capabilities, simple interfacing, and reliable performance for a wide range of electronic and industrial projects.