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security system!

what we did
by

lauren fisher

on 7 July 2010

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Transcript of security system!

AN ALARM! first we drew our alarm plans! then, we gathered our components!
We had two resistors. A LED. A thyristor. A reed switch. And of course, some wires! we drilled holes on our circuit board and placed our components on.
we soldered our components to the board! we created a split pin trigger! we made a keyring magnet to reset
our reed switch! we made a case out of polypropolene and wood. finally, we added a vinyl sticker to decorate! and thats how we made
our security system alarm!
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