alexey.zholtikov/MQSensorsLib
1
0
Fork 0
mirror of https://github.com/miguel5612/MQSensorsLib.git synced 2025-03-25 10:10:01 +03:00
Code Issues Packages Projects Releases Wiki Activity

Fixed voltage calculation

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
examples/MQ-Board-Calibration/MQ-Board-Calibration.ino
View File

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

4
src/MQUnifiedsensor.cpp
View File

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