INTERFACING NDIR CO2 MODULE WITH ARDUINO

| Arduino Forum :: Using Arduino :: Sensors :: INTERFACING NDIR CO2 MODULE WITH ARDUINO

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	Author	Topic: INTERFACING NDIR CO2 MODULE WITH ARDUINO (Read 1317 times)
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koaiwi

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Re: INTERFACING NDIR CO2 MODULE WITH ARDUINO

« Reply #15 on: December 04, 2012, 07:29:19 am »

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Thanks for your feedback.


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vmandin

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The LORD is my strength and my shield.

Re: INTERFACING NDIR CO2 MODULE WITH ARDUINO

« Reply #16 on: December 05, 2012, 08:28:03 am »

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Thank U Riva & DC42

what if I would just map the values? Pls inspect my assumption.

like this one,

int sensorValue = analogRead(A0);
int partspermillion = map(sensorValue, 205, 818, 0, 2000);

a support from telaire told me that 1V=205bits and 4V=818bits
since the sensors sensitivity is from 0-2000ppm

can this method be accurate?


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