Recent content by PizzaCombo

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    Large capacitor for power outages?

    Thanks for the suggestions guys. Some disposable batteries sound ideal. But how would I make it so the batteries only provide power only after the mains power outage? Is there not more to it than just connecting a battery to the routers power along with a diode (and maybe a smoothing...
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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?

    Great explanation, I will read the tutorial. Thanks Harald :)
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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.

    Cheers Dave, helped me understand it.
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    Simple question about this "trip wire" circuit.

    Thanks Dave, good explanation. So essentially by being connected straight to the negative terminal of the battery, it makes the base of the transistor grounded?
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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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