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  • i have applied this but it blinks, it doesnt stop ...i want it to stop after lighting for a few seconds Commented Dec 2, 2017 at 22:49
  • thnx for the explaining that its so fast so i wont notice Commented Dec 3, 2017 at 0:27
  • The loop function as its name suggests will happen over and over again. You need to set a flag. e.g. An integer that counts how many time the loop has been executed. Then an if statement to check and operate accordingly Commented Dec 3, 2017 at 12:40