IR blink sketch

russkydeutsch:
after some research, I've answered my own question...

void loop() {

analogWrite(doublestrobe, 2);               //set off doublestrobe
analogWrite(doublestrobe, 200);         //set doublestrobe on
delay(90);
analogWrite(doublestrobe, 0);              //set doublestrobe off
delay(90);
analogWrite(doublestrobe, 200);         //set doublestrobe on
delay(90);
analogWrite(doublestrobe, 0);              //set doublestrobe off
delay(1100);
}

(I added code tags above...)

If that is what you want, but I really don't see why you need to use analogWrite(). I wouldn't think that one would want to PWM the led to a lower brightness to simulate a strobe (since strobes are very fast bright blinks).

Try (just for chuckles) this:

void loop()
{
  digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(50);                      // on for 50ms
  digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW
  delay(100);                      // off for 100ms
  digitalWrite(led, HIGH);   // turn the LED on (HIGH is voltage level)
  delay(50);                      // on for 50ms
  digitalWrite(led, LOW);   // turn the LED off by making the voltage LOW
  delay(1000);                      // off for 1s
}