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Merge pull request #82 from miguel5612/codex/fix-typos-in-repository-files

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Fix typos across library
pull/83/head
Miguel Angel Califa Urquiza 6 months ago committed by GitHub
parent 46d416abad c066b2ec1c
commit ea48475a3c
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GPG Key ID: B5690EEEBB952194
28 changed files with 91 additions and 91 deletions
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6
examples/Alcoholimeter/Alcoholimeter.ino
Unescape Escape View File

@ -66,7 +66,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -80,8 +80,8 @@ void setup() {
MQ3.setR0(calcR0/10); MQ3.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
} }

6
examples/ESP32/ESP32_WROOM_32D/ESP32_WROOM_32D.ino
Unescape Escape View File

@ -86,7 +86,7 @@ void setup()
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -100,8 +100,8 @@ void setup()
MQ2.setR0(calcR0/10); MQ2.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
//MQ2.serialDebug(true); uncomment if you want to print the table on the serial port //MQ2.serialDebug(true); uncomment if you want to print the table on the serial port

6
examples/ESP32/esp32.ino
Unescape Escape View File

@ -65,7 +65,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -79,8 +79,8 @@ void setup() {
MQ3.setR0(calcR0/10); MQ3.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ3.serialDebug(true); MQ3.serialDebug(true);
} }

6
examples/ESP8266/ESP8266.ino
Unescape Escape View File

@ -65,7 +65,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -79,8 +79,8 @@ void setup() {
MQ3.setR0(calcR0/10); MQ3.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ3.serialDebug(true); MQ3.serialDebug(true);
} }

6
examples/LinearVsExponential/LinearVsExponential.ino
Unescape Escape View File

@ -45,7 +45,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -59,8 +59,8 @@ void setup() {
MQ4.setR0(calcR0/10); MQ4.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
/* /*

6
examples/MQ-131/MQ-131.ino
Unescape Escape View File

@ -67,7 +67,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -81,8 +81,8 @@ void setup() {
MQ131.setR0(calcR0/10); MQ131.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ131.serialDebug(true); MQ131.serialDebug(true);
Serial.println("Ignore Ratio = RS/R0, for this example we will use readSensorR0Rs, the ratio calculated will be R0/Rs. Thanks :)"); Serial.println("Ignore Ratio = RS/R0, for this example we will use readSensorR0Rs, the ratio calculated will be R0/Rs. Thanks :)");

6
examples/MQ-135-ALL/MQ-135-ALL.ino
Unescape Escape View File

@ -55,7 +55,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -69,8 +69,8 @@ void setup() {
MQ135.setR0(calcR0/10); MQ135.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
Serial.println("** Values from MQ-135 ****"); Serial.println("** Values from MQ-135 ****");
Serial.println("| CO | Alcohol | CO2 | Toluen | NH4 | Aceton |"); Serial.println("| CO | Alcohol | CO2 | Toluen | NH4 | Aceton |");

6
examples/MQ-135-CorrectionFactorDHT11/MQ-135-CorrectionFactorDHT11.ino
Unescape Escape View File

@ -106,7 +106,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -120,8 +120,8 @@ void setup() {
MQ135.setR0(calcR0/10); MQ135.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ135.serialDebug(true); MQ135.serialDebug(true);
// Set delay between sensor readings based on sensor details. // Set delay between sensor readings based on sensor details.

6
examples/MQ-135/MQ-135.ino
Unescape Escape View File

@ -67,7 +67,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -81,8 +81,8 @@ void setup() {
MQ135.setR0(calcR0/10); MQ135.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ135.serialDebug(true); MQ135.serialDebug(true);
} }

6
examples/MQ-136/MQ-136.ino
Unescape Escape View File

@ -60,7 +60,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -74,8 +74,8 @@ void setup() {
MQ136.setR0(calcR0/10); MQ136.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ136.serialDebug(true); MQ136.serialDebug(true);
} }

6
examples/MQ-2/MQ-2.ino
Unescape Escape View File

@ -64,7 +64,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -78,8 +78,8 @@ void setup() {
MQ2.setR0(calcR0/10); MQ2.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ2.serialDebug(true); MQ2.serialDebug(true);

6
examples/MQ-3/MQ-3.ino
Unescape Escape View File

@ -66,7 +66,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -80,8 +80,8 @@ void setup() {
MQ3.setR0(calcR0/10); MQ3.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ3.serialDebug(true); MQ3.serialDebug(true);
} }

6
examples/MQ-303A/MQ-303A.ino
Unescape Escape View File

@ -64,7 +64,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -78,8 +78,8 @@ void setup() {
MQ303.setR0(calcR0/10); MQ303.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ303.serialDebug(true); MQ303.serialDebug(true);
} }

6
examples/MQ-309A/MQ-309A.ino
Unescape Escape View File

@ -67,7 +67,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -81,8 +81,8 @@ void setup() {
MQ309.setR0(calcR0/10); MQ309.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ309.serialDebug(true); MQ309.serialDebug(true);
} }

6
examples/MQ-4-ALL/MQ-4-ALL.ino
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@ -55,7 +55,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -69,8 +69,8 @@ void setup() {
MQ4.setR0(calcR0/10); MQ4.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
Serial.println("*************** Values from MQ-4 **********************"); Serial.println("*************** Values from MQ-4 **********************");

6
examples/MQ-4-LINEAR/MQ-4-LINEAR.ino
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@ -54,7 +54,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -68,8 +68,8 @@ void setup() {
MQ4.setR0(calcR0/10); MQ4.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
Serial.println("** Values from MQ-4**********"); Serial.println("** Values from MQ-4**********");

6
examples/MQ-4/MQ-4.ino
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@ -65,7 +65,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -79,8 +79,8 @@ void setup() {
MQ4.setR0(calcR0/10); MQ4.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ4.serialDebug(true); MQ4.serialDebug(true);
} }

6
examples/MQ-5/MQ-5.ino
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@ -65,7 +65,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -79,8 +79,8 @@ void setup() {
MQ5.setR0(calcR0/10); MQ5.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ5.serialDebug(true); MQ5.serialDebug(true);
} }

6
examples/MQ-6/MQ-6.ino
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@ -65,7 +65,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -79,8 +79,8 @@ void setup() {
MQ6.setR0(calcR0/10); MQ6.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ6.serialDebug(true); MQ6.serialDebug(true);
} }

6
examples/MQ-7/MQ-7.ino
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@ -72,7 +72,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -86,8 +86,8 @@ void setup() {
MQ7.setR0(calcR0/10); MQ7.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ7.serialDebug(true); MQ7.serialDebug(true);
} }

6
examples/MQ-8/MQ-8.ino
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@ -66,7 +66,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -80,8 +80,8 @@ void setup() {
MQ8.setR0(calcR0/10); MQ8.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ8.serialDebug(true); MQ8.serialDebug(true);
} }

6
examples/MQ-9-ALL/MQ-9-ALL.ino
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@ -55,7 +55,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -69,8 +69,8 @@ void setup() {
MQ9.setR0(calcR0/10); MQ9.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
Serial.println("** Values from MQ-9 ****"); Serial.println("** Values from MQ-9 ****");
Serial.println("| LPG | CH4 | CO |"); Serial.println("| LPG | CH4 | CO |");

6
examples/MQ-9/MQ-9.ino
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@ -67,7 +67,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
// ISSUE 44 - MQ9 needs a low/high temperature cycle like MQ7 #44 // ISSUE 44 - MQ9 needs a low/high temperature cycle like MQ7 #44
@ -101,8 +101,8 @@ void setup() {
MQ9.setR0(calcR0/10); MQ9.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ9.serialDebug(true); MQ9.serialDebug(true);
} }

6
examples/MQ-Board/MQ-Board.ino
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@ -103,7 +103,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -158,8 +158,8 @@ void setup() {
Serial.print(MQ8calcR0/10); Serial.print(" | "); Serial.print(MQ8calcR0/10); Serial.print(" | ");
Serial.print(MQ9calcR0/10); Serial.println(" |"); Serial.print(MQ9calcR0/10); Serial.println(" |");
if(isinf(MQ2calcR0) || isinf(MQ3calcR0) || isinf(MQ4calcR0) || isinf(MQ5calcR0) || isinf(MQ6calcR0) || isinf(MQ7calcR0) || isinf(MQ8calcR0) || isinf(MQ9calcR0)) {Serial.println("Warning: Conection issue founded, R0 is infite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(MQ2calcR0) || isinf(MQ3calcR0) || isinf(MQ4calcR0) || isinf(MQ5calcR0) || isinf(MQ6calcR0) || isinf(MQ7calcR0) || isinf(MQ8calcR0) || isinf(MQ9calcR0)) {Serial.println("Warning: Connection issue found, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(MQ2calcR0 == 0 || MQ3calcR0 == 0 || MQ4calcR0 == 0 || MQ5calcR0 == 0 || MQ6calcR0 == 0 || MQ7calcR0 == 0 || MQ8calcR0 == 0 || MQ9calcR0 == 0){Serial.println("Warning: Conection issue founded, R0 is zero (Analog pin with short circuit to ground) please check your wiring and supply"); while(1);} if(MQ2calcR0 == 0 || MQ3calcR0 == 0 || MQ4calcR0 == 0 || MQ5calcR0 == 0 || MQ6calcR0 == 0 || MQ7calcR0 == 0 || MQ8calcR0 == 0 || MQ9calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin with short circuit to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
//Print in serial monitor //Print in serial monitor

4
examples/MQ135-ADS1115/MQ135-ADS1115.ino
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@ -62,8 +62,8 @@ void setup(void)
MQ135.setR0(calcR0/10); MQ135.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
Serial.println("** Values from MQ-135 ****"); Serial.println("** Values from MQ-135 ****");
Serial.println("| CO | Alcohol | CO2 | Toluen | NH4 | Aceton |"); Serial.println("| CO | Alcohol | CO2 | Toluen | NH4 | Aceton |");

8
examples/external_A2D/external_A2D.ino
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@ -37,7 +37,7 @@
//Definitions //Definitions
#define placa "Arduino UNO" #define placa "Arduino UNO"
#define Voltage_Resolution 5 #define Voltage_Resolution 5
#define pin A0 //Analog input 0 -> This value can have any number, we recomend use A0 #define pin A0 //Analog input 0 -> This value can have any number, we recommend use A0
#define type "MQ-3 With A2D External connected" //MQ3 #define type "MQ-3 With A2D External connected" //MQ3
#define ADC_Bit_Resolution 10 // Resolution of your external A2D #define ADC_Bit_Resolution 10 // Resolution of your external A2D
#define RatioMQ3CleanAir 60 //RS / R0 = 60 ppm #define RatioMQ3CleanAir 60 //RS / R0 = 60 ppm
@ -74,7 +74,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -89,8 +89,8 @@ void setup() {
MQ3.setR0(calcR0/10); MQ3.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ3.serialDebug(true); MQ3.serialDebug(true);

6
examples/smokeDetector/smokeDetector.ino
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@ -59,7 +59,7 @@ void setup() {
// Explanation: // Explanation:
// In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated // In this routine the sensor will measure the resistance of the sensor supposedly before being pre-heated
// and on clean air (Calibration conditions), setting up R0 value. // and on clean air (Calibration conditions), setting up R0 value.
// We recomend executing this routine only on setup in laboratory conditions. // We recommend executing this routine only on setup in laboratory conditions.
// This routine does not need to be executed on each restart, you can load your R0 value from eeprom. // This routine does not need to be executed on each restart, you can load your R0 value from eeprom.
// Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor // Acknowledgements: https://jayconsystems.com/blog/understanding-a-gas-sensor
Serial.print("Calibrating please wait."); Serial.print("Calibrating please wait.");
@ -73,8 +73,8 @@ void setup() {
MQ4.setR0(calcR0/10); MQ4.setR0(calcR0/10);
Serial.println(" done!."); Serial.println(" done!.");
if(isinf(calcR0)) {Serial.println("Warning: Conection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);} if(isinf(calcR0)) {Serial.println("Warning: Connection issue, R0 is infinite (Open circuit detected) please check your wiring and supply"); while(1);}
if(calcR0 == 0){Serial.println("Warning: Conection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);} if(calcR0 == 0){Serial.println("Warning: Connection issue found, R0 is zero (Analog pin shorts to ground) please check your wiring and supply"); while(1);}
/***************************** MQ CAlibration ********************************************/ /***************************** MQ CAlibration ********************************************/
MQ4.serialDebug(true); MQ4.serialDebug(true);
} }

20
src/MQUnifiedsensor.cpp
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@ -161,16 +161,16 @@ float MQUnifiedsensor::readSensor(bool isMQ303A, float correctionFactor, bool in
if(_RS_Calc < 0) _RS_Calc = 0; //No negative values accepted. if(_RS_Calc < 0) _RS_Calc = 0; //No negative values accepted.
if(!injected) _ratio = _RS_Calc / this->_R0; // Get ratio RS_gas/RS_air if(!injected) _ratio = _RS_Calc / this->_R0; // Get ratio RS_gas/RS_air
_ratio += correctionFactor; _ratio += correctionFactor;
if(_ratio <= 0) _ratio = 0; //No negative values accepted or upper datasheet recomendation. if(_ratio <= 0) _ratio = 0; //No negative values accepted or upper datasheet recommendation.
if(_regressionMethod == 1) _PPM= _a*pow(_ratio, _b); // <- Source excel analisis https://github.com/miguel5612/MQSensorsLib_Docs/tree/master/Internal_design_documents if(_regressionMethod == 1) _PPM= _a*pow(_ratio, _b); // <- Source excel analysis https://github.com/miguel5612/MQSensorsLib_Docs/tree/master/Internal_design_documents
else else
{ {
// https://jayconsystems.com/blog/understanding-a-gas-sensor <- Source of linear ecuation // https://jayconsystems.com/blog/understanding-a-gas-sensor <- Source of linear equation
double ppm_log = (log10(_ratio)-_b)/_a; //Get ppm value in linear scale according to the the ratio value double ppm_log = (log10(_ratio)-_b)/_a; //Get ppm value in linear scale according to the the ratio value
_PPM = pow(10, ppm_log); //Convert ppm value to log scale _PPM = pow(10, ppm_log); //Convert ppm value to log scale
} }
if(_PPM < 0) _PPM = 0; //No negative values accepted or upper datasheet recomendation. if(_PPM < 0) _PPM = 0; //No negative values accepted or upper datasheet recommendation.
//if(_PPM > 10000) _PPM = 99999999; //No negative values accepted or upper datasheet recomendation. //if(_PPM > 10000) _PPM = 99999999; //No negative values accepted or upper datasheet recommendation.
return _PPM; return _PPM;
} }
float MQUnifiedsensor::readSensorR0Rs() float MQUnifiedsensor::readSensorR0Rs()
@ -179,16 +179,16 @@ float MQUnifiedsensor::readSensorR0Rs()
_RS_Calc = ((_VCC*_RL)/_sensor_volt)-_RL; //Get value of RS in a gas _RS_Calc = ((_VCC*_RL)/_sensor_volt)-_RL; //Get value of RS in a gas
if(_RS_Calc < 0) _RS_Calc = 0; //No negative values accepted. if(_RS_Calc < 0) _RS_Calc = 0; //No negative values accepted.
_ratio = this->_R0/_RS_Calc; // Get ratio RS_air/RS_gas <- INVERTED for MQ-131 issue 28 https://github.com/miguel5612/MQSensorsLib/issues/28 _ratio = this->_R0/_RS_Calc; // Get ratio RS_air/RS_gas <- INVERTED for MQ-131 issue 28 https://github.com/miguel5612/MQSensorsLib/issues/28
if(_ratio <= 0) _ratio = 0; //No negative values accepted or upper datasheet recomendation. if(_ratio <= 0) _ratio = 0; //No negative values accepted or upper datasheet recommendation.
if(_regressionMethod == 1) _PPM= _a*pow(_ratio, _b); // <- Source excel analisis https://github.com/miguel5612/MQSensorsLib_Docs/tree/master/Internal_design_documents if(_regressionMethod == 1) _PPM= _a*pow(_ratio, _b); // <- Source excel analysis https://github.com/miguel5612/MQSensorsLib_Docs/tree/master/Internal_design_documents
else else
{ {
// https://jayconsystems.com/blog/understanding-a-gas-sensor <- Source of linear ecuation // https://jayconsystems.com/blog/understanding-a-gas-sensor <- Source of linear equation
double ppm_log = (log10(_ratio)-_b)/_a; //Get ppm value in linear scale according to the the ratio value double ppm_log = (log10(_ratio)-_b)/_a; //Get ppm value in linear scale according to the the ratio value
_PPM = pow(10, ppm_log); //Convert ppm value to log scale _PPM = pow(10, ppm_log); //Convert ppm value to log scale
} }
if(_PPM < 0) _PPM = 0; //No negative values accepted or upper datasheet recomendation. if(_PPM < 0) _PPM = 0; //No negative values accepted or upper datasheet recommendation.
//if(_PPM > 10000) _PPM = 99999999; //No negative values accepted or upper datasheet recomendation. //if(_PPM > 10000) _PPM = 99999999; //No negative values accepted or upper datasheet recommendation.
return _PPM; return _PPM;
} }
float MQUnifiedsensor::calibrate(float ratioInCleanAir) { float MQUnifiedsensor::calibrate(float ratioInCleanAir) {

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