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you can control the speed, just replace the resistor going from pin 8 to 7 with a variable resistor and tweak it til its at the speed you want.p.s. poo on raves, techno/trance=bad music
Why not use a PIC.?
if you can code them.
RyanO, what did you use for a circuit? Did you limit your LEDs with resistors? If so what size did you use? What LEDs are you using? What are u using for a power source?LEDS should not blow unless they are getting too much current, try using like a 150 ohm resistor to limit your current on each LED. If you are using a cmos 555, you will get a current spike when you turn the LED on, however that will get limited by a resistor and shouldn't be catastrophic. LEDs can be modualated very fast, much faster than any eye or camera can see, so the concept is doable for sure.