Dust Update Code

IT18126402/Dust_Sensor/Dust_Sensor.ino

@@ -25,4 +25,6 @@ void loop() {
   digitalWrite(ledPower,HIGH);                   /*LED should be pulsed on once every 10ms. It means LED start to blinking*/
   delayMicroseconds(sleepTime);                  /*Sleep time because 10ms cycle = 10000 - 280 - 40 = 9680 microseconds. It means this delay loop in 1 sec*/
 
+  calcVoltage = voMeasured*(5.0/1024);           /* 0 - 5.0V mapped to 0 - 1023 integer values (if you use 3.3V, map 0 - 3.3V to 0 - 1023) */
+  dustDensity = 0.17*calcVoltage-0.1;            /* Using linear eqaution for calculate Dust Density*/
 }