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How to convert a 2LED flasher into a 3LED flasher?

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hyphstar

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Hi,
I am wanting to turn a 2 LED flasher into a 3 LED flasher. i have attached the current circuit drawing. Could anyone explain to me how this could be done if it is even possible?

Cheers
 

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That circuit flashes the LEDs alternately. Essentially it's an astable multivibrator.

For 3 LEDs you'll need a different circuit. What flashing pattern are you looking to do?

You could use a decade counter like the 4017 to flash 3 (or up to 10) leds sequentially.
 
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