Thread: Relays and LEDs
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Unread 09-22-2002, 08:55 PM   #2
bigben2k
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Relays: it's easier to think of them as "powered switches": you apply power, and they flip a switch.

You don't need a relay to turn on LEDs. How many LEDS anyways?

All you need is a fair DC voltage source (PSU), and the right resistor.
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