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Fixed calibration

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This commit is contained in:
miguel5612 2019-05-30 13:49:50 -05:00
parent e848e505b0
commit b69d85d6be
4 changed files with 17 additions and 14 deletions
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6
.vscode/c_cpp_properties.json vendored
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@ -3,8 +3,10 @@
{
"name": "Win32",
"includePath": [
"C:\\\\\\\\Users\\\\\\\\migue\\\\\\\\AppData\\\\\\\\Local\\\\\\\\Arduino15\\\\\\\\packages\\\\\\\\esp8266\\\\\\\\tools\\\\\\\\**",
"C:\\\\\\\\Users\\\\\\\\migue\\\\\\\\AppData\\\\\\\\Local\\\\\\\\Arduino15\\\\\\\\packages\\\\\\\\esp8266\\\\\\\\hardware\\\\\\\\esp8266\\\\\\\\2.4.2\\\\\\\\**"
"C:\\\\Users\\\\migue\\\\AppData\\\\Local\\\\Arduino15\\\\packages\\\\esp8266\\\\tools\\\\**",
"C:\\\\Users\\\\migue\\\\AppData\\\\Local\\\\Arduino15\\\\packages\\\\esp8266\\\\hardware\\\\esp8266\\\\2.4.2\\\\**",
"C:\\Users\\migue\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\2.4.2\\**",
"C:\\Users\\migue\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\**"
],
"forcedInclude": [],
"intelliSenseMode": "msvc-x64",

21
examples/MQ-Board-Calibration/MQ-Board-Calibration.ino
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@ -95,27 +95,28 @@ void setup() {
//Print in serial monitor
Serial.println("MQ2 to MQ9 - Calibracion");
Serial.println("Note - Make sure you are in a clean room and the sensor has pre-heated almost 4 hours");
Serial.println("Note - All values are in KOhms");
Serial.println("Autonumeric, MQ2(R0), MQ3(R0), MQ4(R0), MQ5(R0), MQ6(R0), MQ7(R0)");
//Wait one second to continue
delay(timeDelay/10);
}
void loop() {
//Review in serial port the measures
bool printRawData = true;
//Read the sensor
int lecture2 = MQ2.calibrate(printRawData);
int lecture3 = MQ3.calibrate(printRawData);
int lecture4 = MQ4.calibrate(printRawData);
int lecture5 = MQ5.calibrate(printRawData);
int lecture6 = MQ6.calibrate(printRawData);
int lecture7 = MQ7.calibrate(printRawData);
int lecture8 = MQ8.calibrate(printRawData);
int lecture9 = MQ9.calibrate(printRawData);
int lecture2 = MQ2.calibrate();
int lecture3 = MQ3.calibrate();
int lecture4 = MQ4.calibrate();
int lecture5 = MQ5.calibrate();
int lecture6 = MQ6.calibrate();
int lecture7 = MQ7.calibrate();
int lecture8 = MQ8.calibrate();
int lecture9 = MQ9.calibrate();
//Print in serial monitor
char out[40];
//snprintf(out, 30, "%d,%d,%d,%d,%d,%d,%d,%d", contador, lecture2, lecture3, lecture4, lecture5, lecture6, lecture7, lecture8, lecture9);
snprintf(out, 30, "%d,%d,%d,%d,%d,%d,%d,%d", contador, lecture2, lecture3, lecture4, lecture5, lecture6, lecture7, lecture8, lecture9);
Serial.println(out);

2
src/MQUnifiedsensor.cpp
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@ -527,7 +527,7 @@ int MQUnifiedsensor::readPPM(int m, int b) {
double ppm = pow(10, ppm_log); //Convert ppm value to log scale
return floor(ppm);
}
int MQUnifiedsensor::calibrate(boolean print) {
float MQUnifiedsensor::calibrate(boolean print) {
//More explained in: https://jayconsystems.com/blog/understanding-a-gas-sensor
/*
V = I x R

2
src/MQUnifiedsensor.h
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@ -274,7 +274,7 @@ class MQUnifiedsensor
int readSensor(String nameLectureRequeired = "", bool print = false);
int readPPM(int m, int b);
int calibrate(boolean print = false);
float calibrate(boolean print = false);
double getVoltage();
double stringToDouble(String & str);