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[wxsig] TAPR 238+ RS-232 and wireless ethernet to post data

Will Beals will at beals5.com
Sat Jul 22 20:18:26 UTC 2006


That looks like a cool project.  I've been itching to do an ethernet-based
microcontroller project for quite a while now.  It is nice to see other
projects like yours come to fruition, it is encouraging.


-----Original Message-----
From: wxsig-bounces at lists.tapr.org [mailto:wxsig-bounces at lists.tapr.org] On
Behalf Of Rich Mulvey
Sent: Thursday, July 20, 2006 5:37 PM
To: TAPR Weather Station SIG Mailing List
Subject: Re: [wxsig] TAPR 238+ RS-232 and wireless ethernet to post data

Jim Pruitt wrote:
> I recently bought Fred Eady's book "Implementing 802.11 with 
> Microcontrollers" and am looking at his Airdrop-A or Airdrop-P devices 
> from http://www.edtp.com/ at  http://www.edtp.com/airdropp_page.htm 
> and http://www.edtp.com/airdropa_page.htm that uses a wireless pcmcia 
> network card and takes serial input (from the T238+, etc).  I wanted 
> to find the source for the tiny ethernet but that code has not been 
> made public although it was developed back in 97 or 98 and used the 
> Pic
> 12C509 or 12C508 (I think) but that did not use wireless.
> Like you I really do not want to tie up the computer so one of the 
> Maxim Tini's or Eady's wireless board to allow me to post directly to 
> a web page without having to tie up a pc or go through a PC to do it.
> Has anyone else tried that approach?

Hi Jim:

   I have a full-blown weather station running on my TINI - it supports an
unlimited number of wind, temp, humidity, solar, lightning, snowfall, and
rain sensors.  It also performs automatic uploads to CWOP, Weather
Underground, and APRS packets to an attached TNC.  The system is written in
Java, and has been running continuously for three years now.

   I started writing an article about the system, which you can find at
http://www.mulveyfamily.com/weather/tini/article/ , along with some
pictures.  I suggest looking at the .doc version, which is Microsoft Word
format.  The weather station itself is at http://weather.mulveyfamily.com .

   The article is still incomplete, but will give you an idea of what can be
done with the TINI.  It goes way beyond what you're asking, since it
essentially replaces the T238, and more, but it's a fun project to look at.

- Rich

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