Daniel Knox / MQ2

A library for the MQ2 sensor. Based on https://github.com/labay11 and http://sandboxelectronics.com/?p=165

Dependents:   mq2_example mq2_midtermproject ECE595_Group9_FinalProject mq2_example ... more

Diff: MQ2.cpp

Revision:
4:48545e508081
Parent:
3:ed294e830904
Child:
5:8b7ba76a7a76
--- a/MQ2.cpp	Fri Oct 06 07:51:13 2017 +0000
+++ b/MQ2.cpp	Fri Oct 06 08:34:50 2017 +0000
@@ -19,21 +19,21 @@
  * reads data, returns LPG value in ppm
  */
 float MQ2::readLPG(){
-    return MQGetGasPercentage(MQRead()/10,GAS_LPG);
+    return MQGetGasPercentage(MQRead()/Ro,GAS_LPG);
 }
 
 /*
  * reads data, returns CO value in ppm
  */
 float MQ2::readCO(){
-    return MQGetGasPercentage(MQRead()/10,GAS_CO);
+    return MQGetGasPercentage(MQRead()/Ro,GAS_CO);
 }
 
 /*
  * reads data, returns Smoke value in ppm
  */
 float MQ2::readSmoke(){
-    return MQGetGasPercentage(MQRead()/10,GAS_SMOKE);
+    return MQGetGasPercentage(MQRead()/Ro,GAS_SMOKE);
 }
 
 /****************** MQResistanceCalculation ****************************************