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Arduino + LEDs + fan = POV "APPLAUSE" sign

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Step 2: Begin Assembly


1. Cut a small - 3 by 5 - piece of 1/4 inch plywood and epoxied to the fan hub . Right now the epoxy is the only thing holding the LED assembly to the fan.  Perhaps some wire ties for safety would be good. I think I will add them later.

2.  I cut a 15 by 2.5 inch piece of plastic from some stock I had.  Sheets of plastic can be had at Home Depot.  I just  guessed at the size and it turned out to be pretty good.

3. Drill 7 holes in one end about 3/4 of an inch apart for the LEDs.  I found a drill size that allows the LEDs to be pressed into the holes quite tightly.  If they had not fit nicely, I would have used a dab of hot glue to hold in place.

4. Insert the 7 LEDs into the holes.

5. Attach the plastic to the 3 by 5 plywood with small wood screws.


 
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