May 2006
Intermediate to advanced
224 pages
6h 55m
English
You will need:
10mm diffused LED, any color(s) 20 cents each from HB Electronic Components (hebeiltd.com.cn).
1″ strapping tape One roll will make many throwies.
CR2032 3V lithium batteries 25 cents each from CheapBatteries.com.
½″x1″ NdFeB disc magnet, Ni-Cu-Ni plated 25 count for $13 from Amazing Magnets (amazingmagnets.com).
Conductive epoxy (optional) Weather-resistant alternative to tape. Available from Newark InOne (newark.com).
Pinch the LED’s leads to the battery terminals, with the longer lead (the anode) touching the positive terminal (+) of the battery, ...
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