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Puzzle BoxView Instructable »
Design Sketching Class
Simple Vault Mechanism
Waterproof Dryer Lint Fire-Starter
Burners From Scrap
Hey, do you mean that for each LED use one 220 and one 470 or are the 220-Ohm resistors used elsewhere? Also, where did you find duncant20196's schematic?
Remote Fire StarterView Instructable »
The Little Green Box of BOOM!
How to Make a Remote Fire Starter!
The Remote Match
Creating a Flaming Arrow That Works: UPDATED 2013
How to build your own Jet Engine
New pyro landmine