MQ 4 Gas Sensor Module

MQ-4 Gas Sensor Module – Methane Gas Detection Sensor for Safety and IoT Applications

The MQ-4 Gas Sensor Module is specifically designed to detect methane (CH4) gas in the environment. It provides both analog and digital outputs, allowing easy integration with microcontrollers like Arduino, ESP32, and others.

Widely used in natural gas leak detectors, home safety alarms, and industrial monitoring systems, the MQ-4 sensor responds quickly to methane gas concentrations. Its sensitivity threshold is adjustable via an onboard potentiometer, making it suitable for diverse safety and IoT projects across Bangladesh.

Key Features:

• Detects methane (CH4) gas

• Analog and digital output pins

• Operating voltage: 5V

• High sensitivity and rapid response

• Adjustable detection threshold via potentiometer

• Compact module with mounting holes

Applications:

• Natural gas leak detection

• Home and industrial safety systems

• IoT gas monitoring and alerts

• Academic and hobbyist electronics projects in Bangladesh

• Environmental and air quality monitoring

The MQ-4 sensor module offers an affordable and dependable solution for methane gas detection in various embedded and IoT applications.