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Fixed voltage calculation

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This commit is contained in:
miguel5612 2019-06-01 18:21:14 -05:00
parent 434e454688
commit 99ca9bab10
2 changed files with 4 additions and 4 deletions
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4
examples/MQ-Board-Calibration/MQ-Board-Calibration.ino
View File

@ -133,7 +133,7 @@ void loop() {
Serial.print(lecture6);Serial.print(",");
Serial.print(lecture7);Serial.print(",");
Serial.print(lecture8);Serial.print(",");
Serial.println(lecture9);Serial.print(",");
Serial.print(lecture9);Serial.print(",");
//Print voltages
Serial.print(v2);Serial.print(",");
Serial.print(v3);Serial.print(",");
@ -142,7 +142,7 @@ void loop() {
Serial.print(v6);Serial.print(",");
Serial.print(v7);Serial.print(",");
Serial.print(v8);Serial.print(",");
Serial.println(v9);Serial.print(",");
Serial.println(v9);
//Print in LCD

4
src/MQUnifiedsensor.cpp
View File

@ -565,10 +565,10 @@ double MQUnifiedsensor::getVoltage(int read) {
{
double avg = 0.0;
for (int i = 0; i < retries; i ++) {
avg += analogRead(this->_pin) / retries;
avg += analogRead(this->_pin);
delay(retry_interval);
}
voltage = avg * _VOLT_RESOLUTION / (pow(2, ADC_RESOLUTION) - 1);
voltage = (avg/ retries) * _VOLT_RESOLUTION / (pow(2, ADC_RESOLUTION) - 1);
}
return voltage;
}