MQ-7 Carbon Monoxide Sensor Module
This is an easy-to-use sensor for detecting Carbon Monoxide (CO), ideal for detecting concentrations of CO in the air. It can detect concentrations in the range of 20 to 2000ppm.
The module has an analog output that comes from the voltage divider that forms the sensor and a load resistor. It also has a digital output that is calibrated with a potentiometer, this output has a led indicator.
Features:
- High sensitivity to carbon monoxide.
- Stable and long life.
Specification:
| Specification | Value |
|---|---|
| Input voltage | 6.5 – 12 V |
| Channels | Two independent channels |
| Output voltage | 5V, 3.3V (adjustable via jumpers: 0V, 3.3V, 5V configuration) |
| Output current | Maximum 700 mA |
| Power headers | Onboard Berg male header for GND, 5V, 3.3V output |
| Power switch | ON-OFF switch available |
| USB input | USB Type-A input available |
| DC input | DC barrel jack input available |
| Indicator | Onboard power LED |
| Dimensions | 53 mm × 33 mm (L × W) |
Applications:
- Domestic CO gas leakage alarm.
- Portable gas detection equipment.
- CO detection in industry.
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