SENSORSHC-SR04 Ultrasonic Distance Sensor
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Sensors
MQ-2 Gas & Smoke Sensor Module
Price on request
The MQ-2 senses LPG, propane, methane, hydrogen and smoke in the air. The module gives an analog reading of gas level and a digital alert output whose trigger point is set with the on-board dial. Used in gas-leak and smoke alarm projects. It is a learning module and not a certified safety device.
In the box
- 1 × MQ-2 gas sensor module
Specifications
Technical details
| Detects | LPG, propane, methane, hydrogen, smoke |
|---|---|
| Operating voltage | 5 V |
| Outputs | Analog (AO) and digital (DO) |
| Adjustment | Sensitivity dial for the digital output |
| Pins | VCC, GND, DO, AO |
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