Chris,
Use the PIC to drive a small mech. relay such as a RS 275-232.   They have a
couple others to choose from.  Look for a 5V coil rating and a contact
rating that is greater than what you need.   I generally go 2 X on both the
volt and amp rating.
John

> Hey everyone,
>
> I'm using a 16F84 in a keyless entry project.  In this project a need to
> unlock an electric door strike from port a.  All of the door strikes
> that I have found run off of either 24V@120mA,  12V@280mA, or 5V at 1A
> (or close to those currents).  The 16F84 will only source 50mA.  Does
> anyone have any suggestion to make this work.  Should I amplify the
> current and use an optocoupler or something else.
> Thanks
> Chris Camerlin


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