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Relation between sensor resistance and concentration of gas #1235

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xuanduc611 opened this issue Nov 22, 2018 · 1 comment

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xuanduc611 commented Nov 22, 2018

Do you have resource or reference for the formula which you use in this line?

MySensors/examples/AirQualitySensor/AirQualitySensor.ino

Line 219 in 15351cd

return (pow(10,( ((log(rs_ro_ratio)-pcurve[1])/pcurve[2]) + pcurve[0])));

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mfalkvidd commented Nov 28, 2018

I am not familiar with this sensor, but isn't the formula described in the blog post linked in the description section of the sketch?

mfalkvidd added the question label

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