the interesting features of this project:
LCD. Displays all weather parameters.
be operated without LCD for power saving.
board Temperature, Humidity, RTC (For time Stamp) & Pressure
has battery back-up
connector for Transceiver. HT header for portables.
requirement of a TNC.
Standard Data Logger output for weather programs.
1Wire Wind instrument from AAG.(V3)
on a 12V supply.
APRS Weather Data at 1200baud.
data may be entered by simple hyper terminal.
with optional rain unit connections.
Radio Amateurs have been
working hard for making a good weather station. There are many
economical ideas such as: 1Wire weather Station, detailed elsewhere on
this site. However, when it comes to display weather data on LCD, it
In view to make my own
economical but advanced weather station, I decided to build this one
based on a design by David Andersen
who holds a copy write on design but he is graceful to us (Radio
Amateurs) & have granted to use his firmware for amateur radio
As usual, as I was going to
build this project, I wanted to make few more PCBs and make kits
available for others, who canít do this project themselves. David
was kind enough to grant me permission to make kits available on
non-profit bases for radio amateurs. With this, I got enough
enthusiasm to go ahead and make this wonderful weather station.
Tough time came when I started
looking for Maxim chips & sensors. With the kind help of my friend
Frank/K7SFN I was able to complete
this project and have few more as spare for others.
This is a PIC project, designed
on a PTH Double Sided Board measuring 14 x 9 CM. 4x20 LCD is supplied
with back light. In future there will be an option to get kits with
Blue or Green display.
Weather Station Interfaces to:
HIH-3610 humidity sensor
MPXA4115 Pressure sensor
DS 1307 RTC with 32.768khz crystal reference
is a thermo meter
Wind Instrument from AAG
for rain unit
This weather station works perfectly
with 1Wire Wind Unit from AAG (Version 3). The new version AAG wind unit
WS603 has not been tested yet.