LPG Gas Sensor MQ6 (Analog/Digital)

Overview

Detect and measure LPG, methane, and butane gases with the MQ-6 gas sensor module. This high-sensitivity sensor is designed for domestic and industrial gas leak detection, offering both analog and digital outputs for flexible integration with or without a microcontroller. Its robust construction and quick response make it an essential component for safety and environmental monitoring projects.

Key Features

• Dual Outputs: Analog output for precise gas concentration measurement, digital output for threshold-based detection (with onboard comparator).
• High Sensitivity: Detects LPG, methane, and butane with excellent selectivity.
• Wide Detection Range: Suitable for various gas concentrations.
• Onboard Indicator: LED indicator for digital output status.
• Easy to Use: Simple interface with power and signal pins, compatible with microcontrollers like Arduino.
• Stable Performance: Long life and low cost, ideal for DIY and industrial applications.

Technical Specifications

• Operating Voltage: +5V
• Detection Gas: LPG, methane, butane
• Output: Analog (voltage) and Digital (TTL logic, with threshold adjustment)
• Module Interface: 4-pin (VCC, GND, AOUT, DOUT)
• Preheat Time: ~1 minute for stable readings
• Dimensions: Compact module design for easy integration

Applications & Use Cases

• Gas Leak Detection: Home safety alarms for LPG leaks.
• Industrial Monitoring: Detect methane or butane in industrial environments.
• IoT Projects: Integrate with microcontrollers for remote gas monitoring.
• Educational Projects: Teach gas sensing principles in labs and classrooms.
• Robotics: Safety systems for robots operating in hazardous environments.

What's Included

• 1x MQ-6 Gas Sensor Module
• (Note: No additional accessories included; pin headers may be included depending on batch.)

Compatibility

• Works with Arduino, Raspberry Pi, ESP32, and any 5V logic microcontroller.
• Analog output can be read by ADC pins; digital output can be used with GPIO.

MOKWN Recommendation

For accurate gas concentration readings, pair the MQ-6 with a microcontroller and use the analog output. For simple threshold alarms, use the digital output with the onboard potentiometer to set the trigger level. Calibrate the sensor in fresh air before first use for best results.