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The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm.This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air.
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.This sensor has a high sensitivity and fast response time.
For more information of this product, please visit theWiki PAGE
Documents:
Wiring Example
The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm.This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air.
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.This sensor has a high sensitivity and fast response time.
For more information of this product, please visit theWiki PAGE
Documents:
Wiring Example
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