




MQ-2 Combustible Gas Sensor Module – LPG Hydrogen Detection
Designed for detecting flammable gases such as LPG, propane, hydrogen, methane, alcohol, and carbon monoxide
Non-returnable
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Product Details
It features both analog and digital outputs, allowing precise gas concentration measurement or simple threshold-based detection. Operating at 5V DC with an onboard comparator and adjustable potentiometer, it ensures stable performance and easy integration with Arduino and other microcontrollers. Suitable for gas leakage alarms, air quality monitoring, and safety systems in laboratories, hospitals, and industrial environments.
- MQ-2 semiconductor gas sensing element
- Detects LPG, propane, hydrogen, methane, alcohol, CO
- Dual output: Analog (0–5V) and Digital (TTL)
- Adjustable sensitivity via onboard potentiometer
- Operating voltage 5V DC
- Built-in power and status indicator LEDs
- Fast response and recovery time
- Preheat time approximately 20 seconds
- Onboard LM393 comparator circuit
- Compatible with Arduino and 5V microcontrollers
- Suitable for gas leak alarm systems
- Applicable for air quality monitoring