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Carbon Monoxide Sensor Interfacing with 16f877a

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Sathiesh Kumar

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Hi...
I interface a MQ-7(Carbon Monoxide sensor) with PIC 16f877a... sensor seems to be working, it produces voltage in the range of 3.0 to 3.8 volt.. But i dont know how to convert the volt range to ppm... and i would also like to know what will be the affordable ppm value to reduce air pollution....

Help...

Sathiesh Kumar.V
 
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