[MLB-WIRELESS] Effect of weather on wireless links

Fulton, Darren J Darren.Fulton at team.telstra.com
Tue Sep 17 18:04:57 EST 2002


The dallas site has a great set of articles on building a complete weather
station including humidity sensor, wind direction and rain gauge.

http://www.ibutton.com/weather/

Darren

-----Original Message-----
From: Michael Weinbergs [mailto:michael at online-admin.net.au]


Very off-topic but may interest some - RS Components/Farnell sell a "two
wire" Temperature Chip (looks like a BC-style transistor) - by "Dallas
Semiconductors". I have just played around with these - and you 
really do
only need 2 wires (I used a spare pair on Cat5 cable to do it) 
to monitor
the temperature in my shed.
There is a simple unix program that will output the temp - and 
the cool part
is you can "network" them (ie. multiple devices in parallel on 
the "1wire
network bus" - each device has a unique "serialnumber").
Take your "unix 802.11 router" and add a temperature chip - bingo remote
monitoring station!

There are heaps of really cool things you can do with these "1wire"
devices..
http://www.maxim-ic.com/1-Wire.cfm


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