     delayMicroseconds(sleepTime);
 
     startMills = millis();
-
   }
 
   if (irrecv.decode(&results)) {

  
  if ( results->bits > 0 && results->bits == 32 ) {
    if ( results->value == 0xFF02FD ) {
       sleepmode = HIGH;
    } else if ( results->value == 0xFF9867 ) {
       sleepmode = LOW;

void setup()
{
  Serial.begin(38400);

  startMills = millis();
  ac_startMills = 0;

  Serial.println("Starting dust Sensor");
  pinMode(ledPower, OUTPUT);

