On Mon, 2014-09-29 at 16:51 +1300, C. Falconer wrote: > Volker Kuhlmann wrote, On 26/09/14 18:01: > > On Fri 26 Sep 2014 10:19:58 NZST +1200, C. Falconer wrote: > > > >> Has anyone used Hobo temperature and humidity data loggers? > >> > >> http://www.scottech.net/products/by_supplier/hobo/indoor_monitoring_/hobo_ux100_temp_rh_dataloggers/ > >> > >> Supplier is in Hamilton, and they're a lot cheaper than weatherducks and a > >> lot more accurate than motherboard sensors. > > No I haven't used them and their server is down. > > > > Depends on what you want to do with them. If you want to monitor some > > workplace computers they're probably ok. For home I wouldn't touch > > anything that is wireless, and you have to decide how often you can be > > bothered to swap batteries. Check specs, if it doesn't tell you humidity > > accuracy properly it's a guesstimator only (which might still beat your > > motherboard?!??). > > > > Consider hacking up an arduino solution. For temperature that is totally > > trivial, using DS18B20 sesnors in TO92 case. For humidity much code > > exists for various sensors too, however most of thm are neither terribly > > accurate nor calibrated. If you don't care that's easy, if you do it's > > expensive. Excellent sensors are the SHT21 and similar from Sensirion, > > easy to use, but you pay for quality. > > > > > Thanks for that - I have a couple of different probe things already. > I asked specifically about the hobo ones. Not sure if its general > purpose, or if it needs a windows app to read. > I have a sample one on its way. > > The Website works for me. > Just as an aside, depending on the price of those beasties, a Fine Offset 1080 Weather station will do all of that. Can't remember how much data is stored locally, but hooking it up to a database is no problem at all. USB + Linux is fine.
You can easily get them for under $200. Steve -- Steve Holdoway BSc(Hons) MIITP http://www.greengecko.co.nz Linkedin: http://www.linkedin.com/in/steveholdoway Skype: sholdowa _______________________________________________ Linux-users mailing list [email protected] http://lists.canterbury.ac.nz/mailman/listinfo/linux-users
