M5Stack Unit MQ Combustible Gas Sensor
M5Stack Unit MQ Combustible Gas Sensor provides reliable detection of combustible gases such as propane and methane. This gas sensor is based on the MQ-5 semiconductor sensor with an integrated STM32G030F6P6 MCU. The gas sensor uses an I2C interface to access internal reference voltage, sensor voltage, 12-bit and 8-bit ADC raw values, firmware version, and thermistor temperature. This Unit MQ combustible gas sensor supports two heating modes, continuous and intermittent, to maintain the sensor at optimal operating temperature. The combustible gas sensor is ideal for smart homes, air quality detection, and industrial safety.
Features
- Built-in STM32 core controller
- Supports detection of various combustible gases (such as LPG, methane, etc.)
- Supports two modes: continuous heating and intermittent heating with customizable periods
- Integrated thermistor for device temperature monitoring
- Readable internal reference voltage and sensor voltage
- Standard MQ sensor interface, compatible with multiple sensors (such as MQ-2, MQ-3, MQ-7, MQ-135, etc.)
- Development platform:
- Arduino
- UiFlow2
Applications
- Smart home
- Air quality detection
- Industrial safety
Specifications
- STM32G030F6P6, 32-bit Arm® Cortex®-M0+ processor MCU
- MQ-5 combustible gas sensor
- I2C at 0x11 communication interface, address configurable
- DC 5.02V at 6.88mA operating current in off mode
- DC 5.05V at 188.89mA operating current in continuous heating mode
- 300ppm to 10000ppm detection range for methane and propane
- 20s recommended preheat time in continuous heating mode
- 64mm x 24mm x 25mm product size
- 19.3g product weight
Overview
Additional Resources
Videos
Publicerad: 2025-11-06
| Uppdaterad: 2026-01-15