MQ-5 LPG Gas Sensor Module

The MQ-5 Gas Sensor Module is designed to detect gases such as LPG (Liquefied Petroleum Gas), natural gas, and hydrogen. It is commonly used in gas leakage detection systems and safety monitoring devices. The module provides analog and digital outputs, allowing easy interfacing with development boards like Arduino, ESP8266, and ESP32. It includes an onboard comparator and adjustable potentiometer to set the detection sensitivity. Due to its reliable performance and easy integration, the MQ-5 sensor is widely used in home safety systems, IoT monitoring devices, and educational electronics projects. Key Features Detects LPG, natural gas, and hydrogen Adjustable sensitivity with onboard potentiometer Analog and digital output signals LED indicators for power and output Easy interface with microcontrollers Suitable for Arduino and IoT projects Technical Specifications Parameter Value Sensor Type MQ-5 Gas Sensor Operating Voltage 5V Detectable Gases LPG, Natural Gas, Hydrogen Output Type Analog and Digital Comparator LM393 Preheat Time ~20 seconds Interface Pins VCC, GND, DO, AO Pin Configuration Pin Description VCC Power Supply (5V) GND Ground DO Digital Output AO Analog Output What’s in the Box 1 × MQ-5 Gas Sensor Module Ideal For Gas leakage detection systems Home safety monitoring Industrial gas detection Arduino and IoT projects Educational electronics experiments