MQ-5 Gas Sensor Module – LPG, Natural Gas & Hydrogen Detector

The MQ-5 Gas Sensor Module is a high-sensitivity, cost-effective sensor designed to detect LPG (Liquefied Petroleum Gas), natural gas, and hydrogen (H₂) concentrations in the air. Ideal for gas leakage detection systems in homes and industry, this sensor offers fast response times and easy integration with microcontrollers like Arduino, ESP32, and Raspberry Pi.

? Key Features

• ? Detectable Gases: LPG, natural gas, hydrogen
• ⚡ Operating Voltage: 5V DC
• ? Analog & Digital Output: Suitable for MCU and ADC interfaces
• ⚙️ Preheat Time: ~20 seconds
• ? High Sensitivity and Fast Response
• ? Adjustable Sensitivity via onboard potentiometer
• ? Interface: 4-pin header (VCC, GND, DO, AO)
• ? Compact Size: Easy to embed in small systems

?️ Applications

• ? Home gas leakage detection
• ? Industrial safety systems
• ? Alarm systems for gas detection
• ? DIY IoT and Smart Home projects
• ? Microcontroller-based safety automation

? Package Includes

• 1 × MQ-5 Gas Sensor Module

? Notes

• ?️ Allow 20-30 seconds for sensor preheating during initial power-up.
• ⚠️ Use in well-ventilated environments for optimal accuracy.

Thanks to its affordability and reliability, the MQ-5 is a great choice for any embedded system requiring gas detection and environmental monitoring.