Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Since a lot you like to run LED lamps as indicators, and because this question comes up a lot, I figured this would be useful to help explain the problems you may be facing.
https://www.youtube.com/watch?v=aphdM0ttTJM