Throwees are cool little LED lights that are made from a coin cell, an LED, a magnet, and some tape. The idea is to make a disposeable light that you can toss onto a steel object and have it stick. One by itself is not very impressive but a whole slew of them can make a rather dull object look interesting.
This instructable takes the throwee idea and puts it on steroids! I'll show you how to make a blinking throwee that will easily run for over a week.
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Signing UpStep 1Bill of materials
1) LED blinky light. Can be obtained free.. I'll explain a little later
2) lithium camera battery
3) rain proof container
4) basic geek items.. tape, soldering iron, wire, solder
First you'll need to get the blinky LED light device. You can buy one (un-resourceful of you) or, you can get tons of them for free! How to get them free? LED body lighting has become very popular in the night club scene. People buy them for $5 or so and eventually just leave them behind at the end of the night. A buddy at a nightclub, specially the cleaning staff can produce bags of these things!
The lithium battery. These are expensive but some ebay searching can produce really good deals. I bought as bag full of duracell 223 camera litiums for $5 plus shipping. These sell for about $7 or so each at the local drugstore. Ideally you want a battery like the 223 because its actually two 3v litiums in one package.
Rain proof container. Whatever you have on hand. I used a baby food jar since its what i could find. Plastic would be better for places were falling and breaking could be an issue.
Stuff you should have on hand if your an electronics geek.. thin stranded wire, solder, soldering iron, electrical tape.
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