MQ-7 Carbon Monoxide Gas Sensor
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. The sensitivity can be adjusted by the potentiometer.
Power supply needs: 5V
Interface type: Analog
Pin Definition: 1-Output 2-GND 3-VCC
High sensitivity to carbon monoxide
Stable and long life