[aprssig] Ultimeter 2000 support

[J. Lance Cotton]

Jason Winningham wrote:
>> Does anyone have a solution that's more compact than a MAX-232 chip?
> I can't remember which one is which, the 232 or the 233, but one needs 
> about 4 or 5 capacitors, where the other just needs a few jumper wires.

It's the 233 line that has internal capacitors and needs only external jumpers.

-- 
J. Lance Cotton, KJ5O
joe at lightningflash.net
http://kj5o.lightningflash.net
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