LED Flasher

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LED Flasher

Here's a simple LED  flasher using  an astable multivibrator. Just leave one LED out if you only want one LED and keep the resistor the same value. The PCB layout is the one I used but you can always use strip board.

Don't expect the equations to give you accurate results they won't due to resistor and capacitor tolerances. The values given should put you in the right ball park area


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