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    Large capacitor for power outages?

    Hi all, So I live in a fairly regional area and most times we get a thunderstorm there's often a short power outage/blackout (usually is quick, half a second at most). As a result, my router often gets shut off and on, and it takes a painfully long time to restart, connect to my ISP, etc. For...
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    Do LED's "draw" current?

    Hi, So it is my understanding that things like DC motors "draw" the current it needs (i.e if your supply can give out 5 amps, the motor will only draw what it needs, not necessarily 5 amps) Do LED's work in the same way? It seems that by placing an LED in the circuit, it just happens to be...
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    Simple question about this "trip wire" circuit.

    Hi all, first post here and still getting the hang of electronics :). So I am looking at making the circuit found on this page http://www.instructables.com/id/Extremely-Easy-and-Safe-Trip-Wire/ and I think I understand it all, except for one part. So when the "trip wire" has been broken, the...
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