It won't put out enough current for a high-power LED, so you would need to hook up a transistor anyway. And, yeah, it would be a waste to use an Arduino just for a clash-flash--particularly a whole nano board. When I was working on an Arduino project last year, I managed to make a Corbin-style flickering effect, timed switching from one color to another, fade-in/fade-out, etc., and it worked great on a breadboard. But I got nothin' after trying to wire everything onto a small PCB. I'm sure I just got a short circuit (or broken circuit) somewhere, but I didn't have the energy to do redo it and put the whole on the back burner. I love the Arduino, but my A.D.D.-addled brain can't juggle all the details. Which is why I'm in awe of TroyO.
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