MQ-6 Gas Sensor Module – Liquefied Isobutane
Detect liquefied isobutane instantly with MQ‑6, ideal for hands‑on STEAM labs and real‑world environmental learning.
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MQ‑6 Gas Sensor Module – Liquefied Isobutane
The MQ‑6 is a compact, low‑cost semiconductor sensor specifically calibrated to detect vapors of liquefied isobutane (C₄H₁₀). Housed in a breakout board with a built‑in voltage regulator and analog output, it plugs directly into any Arduino, Raspberry Pi, or micro‑controller development kit. The sensor’s heating element and high‑sensitivity tin‑oxide film change resistance when exposed to isobutane, providing real‑time, quantitative data that can be visualized on a laptop or mobile device.
With this module, students will explore the chemistry of hydrocarbon gases, learn how electronic circuits translate chemical reactions into electrical signals, and practice data‑logging, calibration, and statistical analysis. The hands‑on experiments reinforce concepts in chemistry (combustion, volatility), physics (semiconductor behavior, resistance), engineering (circuit design, sensor integration), and mathematics (curve fitting, error propagation), making it a perfect STEAM bridge between theory and real‑world environmental monitoring.
Key Features
- Detects isobutane concentrations from 200 ppm to 10 % vol.
- Analog voltage output (0‑5 V) plus digital “threshold” pin for quick alarms.
- Built‑in 5 V regulator and 3‑pin header for plug‑and‑play prototyping.
- Low power consumption (≈150 mA heating current) and fast response time (<5 s).
- Robust PCB with clear silkscreen for easy wiring and solder‑free breadboard use.
Why It’s Ideal for STEAM Education
The MQ‑6 turns abstract concepts about air quality and fuel safety into tangible, measurable projects. Students can design fire‑prevention prototypes, create smart ventilation systems, or compare the impact of different fuel blends—all while sharpening coding, problem‑solving, and scientific‑communication skills. Its affordability and plug‑and‑play design let classrooms build multiple stations, encouraging collaborative inquiry and iterative design—core pillars of a modern STEAM curriculum.