Step 3The mounting for the LEDs
Cut two crescents of foil that are slightly smaller than the card crescent.
Use the glue to fix a piece of foil to each side of the card. It is vital that the two pieces of foil do not touch at all, and you should also try and make sure the glue-stick does not provide a potential short either.
Split the end of the speaker lead, strip the ends and tape one strand to each side of the card, touching the foil.
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