Added Linear ecuation on test algorithm

This commit is contained in:
miguel5612
2020-03-28 12:58:25 -05:00
parent ab77a7a4d7
commit 70fbaa9115
3 changed files with 11 additions and 4 deletions

View File

@ -99,6 +99,13 @@ void loop()
expectedValue[0] = 1000; expectedValue[1] = 3000; expectedValue[2] = 5000; expectedValue[3] = 7000;
testSensor("MQ-309", 1000000, -4.01);
// Testing linear equation for MQ-4
mySensor.setRegressionMethod(0); //_PPM = pow(10, (log10(ratio)-b)/a)
ratio[0] = 2.5; ratio[1] = 1.5; ratio[2] = 0.9; ratio[3] = 0.65;
expectedValue[0] = 200; expectedValue[1] = 1000; expectedValue[2] = 5000; expectedValue[3] = 10000;
testSensor("MQ-4", -0.318, 1.133);
while(1);
}

View File

@ -37,7 +37,7 @@ void setup() {
Serial.begin(9600); //Init serial port
//Set math model to calculate the PPM concentration and the value of constants
MQ4.setRegressionMethod(0); //_PPM = a*ratio + b
MQ4.setRegressionMethod(0); //_PPM = pow(10, (log10(ratio)-b)/a)