Ngineering does offer a version using 3 LEDs, but if Gunrunnerjohn admits it's tough going to install and align these tiny things, there was no way I was going to try it. The version in the video I posted of American Models' FP7 and E8 is a single LED. Ngineering offers a "wide-angle" LED that I used in the E8s because I could position it closer to the face of the lens than the one in the FP7, but I don't see that it makes much of a difference. Even with a single LED, the slower flash rate and simulated "hesitation" after the light declines and then increases again gives a good impression of figure-eight motion. I debated about using 3 micro LEDs, but I figured I'd only try it once I mastered brain surgery on fruit flies.
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