Components
MQ-2 Gas Sensor Module – Smoke, Butane & Methane Detection for Arduino
$5.99 per unit
23 in stock
Professional MQ-2 gas sensor module with dual analog and digital outputs. Detects multiple gas types including smoke, hydrogen, methane, butane, and LPG across 300–10,000 ppm range. Adjustable sensitivity potentiometer and onboard LED indicators. Compact 32×20×27mm form factor. 5V operation, Arduino and Raspberry Pi compatible.
Subtotal (1×)$5.99
Shipping$4.00
USPS First Class (up to 4 oz)
NY Tax (8.375%)$0.50
Est. Total$10.49
Specifications
| Detection Range | 300–10,000 ppm |
|---|---|
| Detectable Gases | Smoke, H₂, CH₄, Butane, LPG |
| Output | Analog + Digital (adjustable threshold) |
| Operating Voltage | 5V DC |
| Dimensions | 32 × 20 × 27mm |
| Compatibility | Arduino, Raspberry Pi, ESP32 |