Hey Arduino enthusiasts! I am a Mechanical Engineer (read programer handicapped) and am working on a remote weather station to support my local Paragliding/Kiteboarding community. We will be using a Young anemometer (pulse for wind speed and resistance for direction) at one of our favorite sites. We wanted to couple it with an Arduino to convert raw data into AX.25 audio that can be sent to a HAM radio and uploaded to the internet via a nearby igate. The programming for collecting the raw data should be straightforward but I was hoping for some help with the AX.25 (APRS) programing. I see there is a Radio Shield that can do it but was hoping to just use the PWM functions on the arduino. Thanks in advance for any help. Lastly, if it helps we have a little bit of money in the club account set aside that can be used to support the effort.
Here is some code that I think is near what I am looking for: http://slepp.ca/projects/ax25-modem/ Here is a description of weather APRS protocal (see page 62): ftp://ftp.tapr.org/aprssig/aprsspec/spec/aprs101/APRS101.pdf Anemometer website: http://www.youngusa.com/ Radio shield I would prefer not to use: https://www.argentdata.com/catalog/product_info.php?products_id=136 Who we are: http://www.rainierparaglidingclub.org/