I second Jan's requests: PC output and external additional temp sensors. Thanks!
Bruce ki4cpz On Wed, Jul 29, 2009 at 3:28 PM, Jan Marius Evang <[email protected]> wrote: > > > Hi, Scott, We love you ;-) > > A few wishes: > Output for a PC so that it could be used for non-ham use. > > Input for external (one wire?) temperature-sensors (and other sensors?) > > LB4PE/OZ4PE Marius > > On Jul 29, 2009, at 21:08 , Scott Miller wrote: > > I've been promising a weather station kit for a long time, but I've just > about given up on making it a do-it-yourself kit. There are only so > many through-hole sensors available (that don't cost an arm and a leg) > and getting the required resolution out of an analog baro sensor means > adding more parts than I want to squeeze into the enclosure I've got in > mind. > > Making it all surface mount means I can use a much cheaper barometric > pressure sensor with accuracy as good as or better than the through-hole > one, lower power consumption, and a lower part count. It also provides > high accuracy temperature measurement with no additional parts. > > Anyway, I just wanted to see if anyone has specific feature requests for > the new board. I'm hoping to have the first board design sent off by > the end of the week. The idea is to have both a serial output that > could drive an external TNC, and also a direct radio connection. > Granted, hooking it up to a radio and also having it in a location where > it'll get good temperature and humidity readings could be a problem. > > Here are some specs so far: > > Wind direction > Wind speed > Rain gauge (~1/100 inch resolution) > Temperature (~0.5C absolute accuracy) > Pressure (~3 hPa absolute accuracy, 0.2 hPa relative) > Humidity (3% RH, optional add-on for about $20) > > I'm estimating a retail price of about $130 with humidity, $110 without. > > Scott > > > >
