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One 8 ohm speaker
one flashing or rainbow LED
490 ohm resister if more then 4.5 v used for source (which would go between the Source
and the LED).
one 4.5-9 vdc source
some wire
one lever switch, light touch (SPDT, or STSP normally on switch).
SUGRU
and a few small but high mH coils
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Goodhart (author)
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