easy basic stamp question

Having a brain burb here.

I need a basic stamp (actually a basic atom) to know when I step on the brake pedal of my car.

I have to change the 12v into a 5v/high for the stamp.

Using a 7805 seems like way overkill

thanks mike

Reply to
Mike_in_SD
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Series resistor and zener.

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Reply to
Homer J Simpson

or. 78L05

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"I\'m never wrong, once i thought i was, but was mistaken"
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Reply to
Jamie

Overkill for a sense input.

Reply to
Homer J Simpson

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