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How would I make LEDs blink?

I

IveBeenBad

[H]F Junkie
Joined
Jul 4, 2001
Messages
8,501
What could I use to make LEDs blink, and possibly have a potentiometer control the speed of the blink?
 
Google for 555 timer or 556 timer and you will get 100's of useful circuits for flashers, timers, sequenceers, etc...
 
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