>
> A cheap trick for level translating from 3.3V to 5V is using digital logic
> gates with TTL inputs powered at 5V.  However, this only works in one
> direction.
>

I'm using that to interface my gps module serial port (CMOS levels) with my
PIC and it works fine. Although I'll probably choose a CMOS level PIC for
production and eliminate extra components.

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