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[wxsig] APRS Weather Station

John Bennett jabennett at insightbb.com
Fri Sep 8 04:28:54 UTC 2006

Sounds like you found your problem (i.e., you have a version prior to
"version 3.0"). That being the case, switch the jumpers on the -1 and -2
accordingly. If not, read on.

When you run the T238+ directly into the anemometer (i.e., X1W kits are
*not* in the line) does it still short?

If yes, disconnect the T-238+ and reconnect the X1W-1 and X1W-2. Jump
the X1W-1 to supply power to the bus (normally not be jumped if using
the T-238). Power up. If the short does not exist, enable and connect
the RS-232 port on the X1W-1. Use the 1-wire 'tstfind' utility to see if
it sees all the devices. Should be a long repeating list - see the X1W-1
docs for the IDs. This will confirm that the -1 and -2 kits are jumpered
correctly. If all this works, then the problem is in the T-238+. There
was discussion in the group earlier about this same problem (less the
X1W kits, however).

If no, double-check jumpers on the X1W-1 and X1W-2. Try the -1 and -2
separately to see which one is causing the problem.

Let me know if this helps - or not. I will give the problem another look
if not.


On Thu, 2006-09-07 at 18:22 -0700, Ron Huisinga wrote:
>  Hello all,
>  I have completed building the X1W 1 & 2 boards  for the T238+.  Everything
> appears to test out correctly to this point. I have just received the
> anemometer from AAG along with a email stating they shipped a verison 3.0,
> yet after connectting to the X1W2 board it shorts out the power supply. 
> I've check that the JMP 3 is P  & 2 are jumper also.. built a straight pass
> thru cable.
> So I opened up the anemometer and the pc board is labled ver 2.0  could this
> really be a version 2 or 3?  I've emailed AAG for comfirmation have yet to
> receive a reply.
> Suggestions for the newbie
>  Best
>  Ron
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John Bennett
Evansville, IN
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