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MQ135.cpp
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@ -52,7 +52,7 @@ float MQ135::getCorrectionFactor(float t, float h) {
/**************************************************************************/ /**************************************************************************/
float MQ135::getResistance() { float MQ135::getResistance() {
int val = analogRead(_pin); int val = analogRead(_pin);
return ((1023./(float)val) - 1.)*RLOAD; return ((1023./(float)val) * 5. - 1.)*RLOAD;
} }
/**************************************************************************/ /**************************************************************************/