They use a strobe light that flashes at a certain frequency.  Don't get
caught using it on a public vehicle is my only warning...


Gus S.Calabrese wrote:

> Hello Gurus
>
> I think that emergency vehicles are detected at
> stoplights.  Is there a standard way this is done
> that can be adapted to a PIC ?
>
> Is emergency vehicle detection a patented process ?
> Can anyone use it in a product ?
>
> Gus S Calabrese
> 303.964.9670 vm   303.908.7716 cell no vm
> www.omegadogs.com
> 4337 Raleigh St
> Denver, CO 80212
>
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