32u4 based APRS Tracker

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hey all... here i've been working on last month.   it's aprs tracker based on trackuino firmware http://www.trackuino.org.

i took sparkfun pro micro eagle files , tossed .brd file.  i added radiometrix hx1 , ublox gps, , changed parts bit easier me deal (which means 0805 mostly, there few 603/402 parts left).

not shown daughterboard connects between jp1 , jp2: have both ldo version , boost converter version; each supply 5v.

as of right it's running custom bootloader , port of trackuino 1.4 john boiles (kk6gip); though i'm in process of integrating port trackuino 1.5 , adding support microsd card.

any comments appreciated.

regards,

brad
kf7fer

ps photo's of old revision "c" boards (where can see how messed soldering jp1)

edit: should add used 3.3v/8mhz version of pro micro

power open source hardware! sharing!

so using atmega32u4-au? isn't sparkfun micro pro using mu? i'm interested in working processor (au can hand solder). did eagle part? asking.

oh, guess have 3 (or multiples of 3) purple boards each revision? ;)

what micro sd slot? willing provide information?

i using 1 got dipmicro on 1 of designs. pins not long struggled bit while learning (burning stuff of course) smd soldering:

http://www.dipmicro.com/store/con-microsd1

they restocking in week or so.


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