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Electronic circuits & projects forum - Need help with electronic circuits & projects?
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hyphstar
Joined: 14 Oct 2009
Posts: 1
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 Posted: Wed Oct 14, 2009 12:42 pm Post subject: How to convert a 2LED flasher into a 3LED flasher |
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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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bondsam123
Joined: 26 Oct 2009
Posts: 3
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| Posted: Sat Oct 31, 2009 4:37 am Post subject: |
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Hi.
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.
Thanks.
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