Mq-7 Carbon Monoxide Sensor
- This is Carbon Monoxide sensor is suitable for sensing CO concentrations in the air.
- The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm.
- This sensor has a high sensitivity and fast response time.
- The sensor’s output is an analog resistance.
- The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.
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