[aprssig] Tracker serial port usage
jdw at eng.uah.edu
Tue Dec 21 07:08:37 CST 2004
On Dec 20, 2004, at 5:58 PM, Scott Miller wrote:
> I'm thinking of modifying the OpenTracker design so that it provides
> 1-wire bus signal and possibly a +5v supply as well on the DB9 used
> for the
> serial port. I'm curious if anyone knows of any other non-standard
> uses of
> these pins in the packet world that I should be aware of.
I asked a similar question a couploe of weeks ago and got no answer.
Google wasn't helpful, either.
I chose to add the +5V I needed on pin 9, since it has no connection in
a standard RS232 DB9 connection. All other pins have signals assigned.
More information about the aprssig