Yeah, it'll have serial output and will probably support Peet Bros format (and maybe at least one other) for compatibility with PC-based weather programs and such.
I've been pondering the 1-wire sensor thing. Solar is the main thing this would be missing, and maybe a lightning detector. But there are a LOT of 1-wire sensors out there, and supporting all of them in an embedded device is a lot harder than on a PC. I've got to balance the value of having support for some additional sensors against the burden of coding and testing support for them, and handling technical support for third-party devices. Scott Jan Marius Evang 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 >> > >
