I suppose I could use a 7814 instead of 7812 and replace the N channel hexfet with a diode; cheaper and just as good. The siren will work just as well with a bit more than 12V.
Forgot to say, only expect to power less than 1A with this switcher.
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Re: Dual power source
I suppose I could use a 7814 instead of 7812 and replace the N channel hexfet with a diode; cheaper and just as good. The siren will work just as well with a bit more than 12V.
Forgot to say, only expect to power less than 1A with this switcher.
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