MQ4 Methane Natural Gas Sensor Module

The MQ4 Gas Sensor Module is a highly sensitive and cost-effective solution for detecting methane (CH4) and natural gas concentrations in the air. Designed for easy integration with Arduino, Raspberry Pi, ESP32, and other microcontroller platforms, this module is ideal for building gas leak detectors, safety alarms, and smart monitoring systems.

With its fast response time, analog and digital outputs, and adjustable sensitivity, the MQ4 module provides accurate and real-time detection, making it suitable for home automation, industrial applications, and educational electronics projects.

Key Features:

• Detects methane (CH4) and natural gas
• Dual output: analog voltage and digital signal
• High sensitivity and rapid response
• Adjustable detection threshold via onboard potentiometer
• Operating voltage: 5V DC
• Long lifespan and reliable performance
• Compatible with Arduino, ESP8266, ESP32, STM32, Raspberry Pi, and more

Applications:

• Methane and natural gas leak detection
• Smart home safety systems
• Industrial gas monitoring
• Environmental sensing
• DIY electronics and educational projects