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Octopus Smoke Sensor MQ-2 Brick OBMQ2
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An analogue gas sensor module based on the MQ-2 sensor, part of the Octopus Electronic Bricks series for plug-and-play integration with Arduino and compatibl...
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An analogue gas sensor module based on the MQ-2 sensor, part of the Octopus Electronic Bricks series for plug-and-play integration with Arduino and compatible boards. Detects a wide range of combustible gases and smoke with high sensitivity and fast response time.
Detectable Gases
- LPG, i-butane, and propane
- Methane and hydrogen
- Alcohol
- Smoke
Key Features
- Analogue Output – Connect directly to any analogue input pin
- Adjustable Sensitivity – On-board potentiometer for threshold tuning
- 5 V Power Supply – Standard operating voltage
- 3-Pin Interface – S (Signal), V (VCC), G (GND)
- Fast Response Time – Quick detection of gas changes
- Dimensions – 38 × 27 mm
Ideal For
- Gas leakage detection projects
- Smoke alarm prototyping
- Air quality monitoring
Jargon buster
Plain-language definitions for the technical terms used above.
- potentiometer
- A variable resistor usually turned with a knob or shaft to create an adjustable electrical signal. It is often used for inputs such as volume, brightness or position, so it helps beginners learn how a microcontroller reads changing values.
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