Using 2 of the famous 555 timing IC and some charge/discharge capacitor action we get this cool flashing light circuit. Of course you can use whatever color LEDs you'd like and arrange them in any pattern you choose, so limiting this to just 'Police Light' is my fault for giving it such a title. I used this circuit on a cop/police/fuzz pedal I made as the indicator LED. Circuit could also be made with a single 556 IC.
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