[aprssig] RS-232 to GPIO/TTL

[M J]

I've decided to try to build my own TNC and embed a Garmin GPS15M into it!  Does anyone know of a source for an existing board (cheap and small) that will convert RS-232 (from the Garmin) to GPIO/TTL (on the MLB)?  If I can get them connected, then I'll need to learn how to create a software based UART schema...but hey, us college kids have all the time in the world, right? :)

Thanks,
MJ


 
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