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October 22nd, 2012, 01:37 PM
#8
 Originally Posted by AaronMaxwell
It doesn't matter. LEDs contain a thin coat of wire that heats up when exposed to electricity. You can put them directly onto a battery and they'll light up.
And you'll fry the LED. LEDs need to be current controlled. Most standard LEDs require 20mA. Voltage doesn't matter. Also note that a LED is basically a diode, so it'll let current through only one way. Connecting the LED the wrong way around and it won't work. It also doesn't contain a wire that lights up as that would make it an incandescent lightbulb.
It isn't like an engine where if you get the connections confused it'll run in reverse...
No, instead it simply won't light up.
But the question wasn't about LEDs, it was about switches. And those really don't matter how you connect them.
The PCIe connector is for videocards that require extra power. Mine actually requires 2 of those.
Last edited by SirDice; October 22nd, 2012 at 01:42 PM.
Oliver's Law:
Experience is something you don't get until just after you need it.
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