Description

The Flying-Fish MH MQ Sensor Module is a compact and versatile gas detection sensor used to measure the presence of various gases in the air. Built on the MQ series platform, this module comes mounted on a “Flying Fish” breakout board for easy prototyping with Arduino, ESP32, and other microcontrollers. It’s ideal for environmental monitoring, IoT, and safety projects.

Features

• Built-in high-sensitivity MQ gas sensor
• “Flying Fish” breakout board design with LED indicators and easy pinout
• Detects a wide range of gases (depending on MQ model: MQ-2, MQ-3, MQ-7, MQ-135, etc.)
• Provides both analog and digital output signals
• Adjustable sensitivity via onboard potentiometer
• Simple 4-pin interface for plug-and-play integration

Specifications

• Operating Voltage: 5V DC
• Output: Analog (AO) and Digital (DO)
• Preheat Time: 20 seconds (approx.)
• Response Time: ≤10s
• Dimensions: 32mm x 22mm x 27mm (approx.)
• Pin Configuration: VCC, GND, AO, DO

Applications

• Air quality and pollution monitoring
• Gas leakage detection systems
• Safety and alarm systems
• Smart home and IoT environmental monitoring
• STEM and robotics education projects

Why Choose the Flying-Fish MH MQ Sensor

Reliable, easy to use, and widely supported — the Flying-Fish MH MQ Sensor Module is perfect for learning and experimentation. Whether you’re building a gas detection system, a smart environmental monitor, or teaching IoT-based safety projects, this sensor delivers consistent and accurate results.