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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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11
examples/MQ-4-ALL/MQ-4-ALL.ino
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@ -79,6 +79,7 @@ void setup() {
void loop() {
MQ4.update(); // Update data, the arduino will read the voltage from the analog pin
float correctionFactor = 0; // Optional environmental correction
/*
Exponential regression:
@ -90,19 +91,19 @@ void loop() {
smoke | 30000000 | -8.308
*/
MQ4.setA(3811.9); MQ4.setB(-3.113); // Configure the equation to to calculate CH4 concentration
float LPG = MQ4.readSensor(); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
float LPG = MQ4.readSensor(false, correctionFactor); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
MQ4.setA(1012.7); MQ4.setB(-2.786); // Configure the equation to to calculate CH4 concentration
float CH4 = MQ4.readSensor(); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
float CH4 = MQ4.readSensor(false, correctionFactor); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
MQ4.setA(200000000000000); MQ4.setB(-19.05); // Configure the equation to to calculate CH4 concentration
float CO = MQ4.readSensor(); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
float CO = MQ4.readSensor(false, correctionFactor); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
MQ4.setA(60000000000); MQ4.setB(-14.01); // Configure the equation to to calculate CH4 concentration
float Alcohol = MQ4.readSensor(); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
float Alcohol = MQ4.readSensor(false, correctionFactor); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
MQ4.setA(30000000); MQ4.setB(-8.308); // Configure the equation to to calculate CH4 concentration
float Smoke = MQ4.readSensor(); // Sensor will read PPM concentration using the model, a and b values set previously or from the setup
float Smoke = MQ4.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);