Setting up to use TAPR
TAPR (Tucson Amateur Packet Radio) http://www.tapr.net/ has a number of 1-wire weather sensor kits available: X1W-1, X1W-4, X1W-4 and T-238+MODEM2, which provide temperaure, humidity, barometer, radiation, lightning and rain sensors or interfaces thru the Dallas 1-wire system.
Programming X1W-1 Barometer
1) In W-D, select "Control Panel", "Dallas 1-wire" then "Main/save setup". 2) Select the ROM-id for the Barometer and copy it to the clip-board. 3) Move to "Barometer setup" 4) Paste the Barometer ROM-id in the "Bray-Jennings Barometer ROM-id" space. 5) Check off "I have a barometer (Bray-Jennings or AAG)". 6) Fill in the blanks (see drawing):
a) High Baro = 31.60 b) Low Baro = 25.69 c) High Voltage = 9.75 d) Low Voltage = 1.75
7) Click "Set". 8) Return to "Main/save setup" and click "save/reset" and "Close". 9) After about a five minute delay, the barometer will start.