alexey.zholtikov/MQSensorsLib
1
0
Fork 0
mirror of https://github.com/miguel5612/MQSensorsLib.git synced 2025-03-15 05:17:30 +03:00
Code Issues Packages Projects Releases Wiki Activity

Fixed voltage calculation

Browse Source
This commit is contained in:
miguel5612 2020-03-26 11:08:53 -05:00
parent 12695e75a6
commit abac48da38
2 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/MQUnifiedsensor.cpp
View File

@ -64,7 +64,7 @@ void MQUnifiedsensor::serialDebug(bool onSetup)
{
if(!_firstFlag)
{
Serial.println("| ****************************************************************" + _type + "****************************************************************|");
Serial.println("| ********************************************************************" + _type + "*********************************************************************|");
Serial.println("|ADC_In | Equation_V_ADC | Voltage_ADC | Equation_R | Resistance_RS | EQ_Ratio | Ratio (RS/R0) | Equation_PPM | PPM |");
_firstFlag = true; //Headers are printed
}
@ -73,9 +73,9 @@ void MQUnifiedsensor::serialDebug(bool onSetup)
String eq = "";
if(_regressionMethod == "Linear") eq = "ratio*a + b";
if(_regressionMethod == "Exponential") eq = "a*ratio^b";
Serial.print("|"); Serial.print(_adc); Serial.print("| v = ADC*"); Serial.print(_VOLT_RESOLUTION); Serial.print("/1024 |"); Serial.print(_sensor_volt);
Serial.print("| RS = ((" ); Serial.print(_VOLT_RESOLUTION ); Serial.print("*RL)/Voltage) - RL |"); Serial.print(_RS_Calc); Serial.print("| Ratio = RS/R0 |");
Serial.print(_ratio); Serial.print( "|" + eq + "|"); Serial.print(_PPM); Serial.println("|");
Serial.print("|"); Serial.print(_adc); Serial.print("| v = ADC*"); Serial.print(_VOLT_RESOLUTION); Serial.print("/1024 | "); Serial.print(_sensor_volt);
Serial.print(" | RS = ((" ); Serial.print(_VOLT_RESOLUTION ); Serial.print("*RL)/Voltage) - RL| "); Serial.print(_RS_Calc); Serial.print(" | Ratio = RS/R0| ");
Serial.print(_ratio); Serial.print( " | " + eq + " | "); Serial.print(_PPM); Serial.println(" |");
}
}
}

4
src/MQUnifiedsensor.h
View File

@ -42,10 +42,10 @@ class MQUnifiedsensor
byte _pin;
byte _firstFlag = false;
byte _VOLT_RESOLUTION = 5.0; // if 3.3v use 3.3
byte _ratioInCleanAir, _sensor_volt;
byte _ratioInCleanAir;
byte _RL = 10; //Value in KiloOhms
double _adc, _a, _b;
double _adc, _a, _b, _sensor_volt;
float _R0, RS_air, _ratio, _PPM, _RS_Calc;
String _type;