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AVR based TNC/DIGI PCB based on 644p

Now I need some plastic to put it and the display in.

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APRS TNC using Arduino with a display PCB Test

I've done a test layout to play with that I'll be testing in the next few days.  Below is the layout.

AVR TNC Arduino Shield Layout

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APRS TNC using Arduino with a display.

Several folks have asked about using Arduinio hardware with APRS TNC.  I don't have a lot of motivation but figured I'd get the project started.  If you have an arduinio and would like to help develop this using arduino hardware please post (no emails please).  Here is the alpha schematic I'm working on using the display I started with in the original design.

Arduino TNC Shield

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