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[Guest]

I want to interface a UV40 with carrier board to an OOPic micro controller. My understandig is that the OOPics TTL serial is 5v and the UV40 is 3.3. What will I have to do to get them talking? I don't want to use USB or RS232. I'd like to keep it all TTL.

Thanks,
Jim...

[Guest]

Never mind, that's all answered in this post: http://www.sparkfun.com/cgi-bin/phpbb/v ... .php?t=512

Thanks,
Jim...