The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for sensing CO concentrations in the air. It can detect CO-gas concentrations anywhere from 20 to 2000ppm. MQ7 is a high sensitivity to carbon monoxide and stable and long-life span.
- Fast response and High sensitivity.
- Stable and long life.
- Operating Voltage: 5V
- Analog output voltage: 0V to 5V
- Digital output voltage: 0V or 5V (TTL Logic)
- Can be used as a Digital or analog sensor
- The Sensitivity of Digital pin can be varied using the potentiometer.