The MQ-4 Methane Gas Sensor is a highly sensitive and reliable device used to detect the presence of combustible gases, particularly natural gas. This sensor operates on the principle of low conductivity of tin dioxide (SnO2), making it an ideal choice for a wide range of applications. With its low-cost and high-performance capabilities, the MQ-4 sensor is a popular choice among hobbyists, researchers, and professionals alike.

The MQ-4 sensor is designed to be easily integrated into various projects, including robotics, IoT devices, and industrial automation systems. Its compatibility with popular platforms such as Arduino, NodeMCU, and ESP8266 makes it a versatile tool for developers and makers.

In addition to its technical capabilities, the MQ-4 sensor is also a cost-effective solution for gas detection. Its low power consumption and simple interface make it an attractive option for applications where resources are limited.

Key features of the MQ-4 Methane Gas Sensor include:

• High sensitivity to methane and other combustible gases


• Low power consumption for extended battery life


• Simple interface for easy integration with microcontrollers and other devices


• Compact design for space-constrained applications


• Low cost compared to other gas sensors on the market

The MQ-4 Methane Gas Sensor is suitable for a variety of applications, including:

• Home security systems to detect gas leaks and prevent accidents


• Industrial automation to monitor gas levels in manufacturing processes


• Environmental monitoring to track gas emissions and air quality


• Robotics to enable gas detection and navigation capabilities


• IoT devices to provide real-time gas monitoring and alerts

Specifications:

• Gas detected: Methane, natural gas, and other combustible gases


• Sensitivity: 300-10000 ppm


• Power consumption: 150 mA


• Operating voltage: 5 V


• Operating temperature: -20 to 50°C


• Dimensions: 18 x 18 x 6 mm