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Extend API for optional correction factor

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This commit is contained in:
Miguel Angel Califa Urquiza
2025-06-04 19:29:44 -05:00
parent 6f9b00666e
commit 30c0979cb4
30 changed files with 90 additions and 60 deletions
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7
examples/MQ-9-ALL/MQ-9-ALL.ino
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@ -78,6 +78,7 @@ void setup() {
void loop() {
MQ9.update(); // Update data, the arduino will read the voltage from the analog pin
float correctionFactor = 0; // Optional environmental correction
/*
Exponential regression:
GAS | a | b
@ -87,13 +88,13 @@ void loop() {
*/
MQ9.setA(1000.5); MQ9.setB(-2.186); // Configure the equation to to calculate LPG concentration
float LPG = MQ9.readSensor(); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
float LPG = MQ9.readSensor(false, correctionFactor); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
MQ9.setA(4269.6); MQ9.setB(-2.648); // Configure the equation to to calculate LPG concentration
float CH4 = MQ9.readSensor(); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
float CH4 = MQ9.readSensor(false, correctionFactor); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
MQ9.setA(599.65); MQ9.setB(-2.244); // Configure the equation to to calculate LPG concentration
float CO = MQ9.readSensor(); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
float CO = MQ9.readSensor(false, correctionFactor); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
Serial.print("| "); Serial.print(LPG);
Serial.print(" | "); Serial.print(CH4);