Hi How did you build your temp sensor? What is the accuracy? Very interested in this case. How about humidity? Thanks
Op vr 10 jan. 2025 18:09 schreef p q <peterquinn...@gmail.com>: > I have an Acurite station, different model. The all in one sensor unit > with the rain, wind, and temp measurement is kind of cool, but it doesn't > work well, at least for me. I was unable to find a place with clear sky > overhead for the rain gauge, clear area around it for the wind gauge, and > in the shade for the thermometer. The solar panel and fan doesn't do > enough, at least for me in northern California. So, I gave up on the > thermometer and mounted it on my roof, where the temperatures are easily 10 > degrees warmer than ground level or 5 degrees colder on clear nights. > > To deal with this, I've built my own temperature sensor and mounted it > elsewhere and send the data via wifi and MQTT. I hacked the acurite driver > to accept this data through overcomplicated means. If I were doing it > again, I'd use the MQTT drivers that have been developed since I started. > > Also, I've also had to replace the rain gauge after 8 years of operation. > It's become unreliable. We don't get very much rain here, so it might last > longer someplace where it's not sitting for 9 months without any rain and > being subject to 115 deg temperatures. I don't fault Acurite for this, > things wear out. > > In terms of the barometer, mine is in the display unit, not the sensor. I > have no idea how accurate it is. It appears to track my local airport > pretty well. What matters for me is more changes in pressure than the > absolute value, so if it's off by a couple of percent, it doesn't bother me. > > Good luck with it! > > On Fri, Jan 10, 2025 at 8:41 AM Chuck Rhode <charlescurtisrh...@gmail.com> > wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Santa Claus brought me a new-in-the-box, really-old-model AcuRite >> 02064C to replace an Ambient WS2095 that has been in service at least >> seven years. Both are USB tethered, so I'm confident about my >> hardware config, although it's viability remains to be seen. (The >> *weectl device* utility DOES NOT support the AcuRite although there is >> a *weewx* driver.) >> >> Both stations are operating. I've resisted the temptation to try to >> switch WeeWX to monitoring the AcuRite because there are discrepancies >> between the readings displayed on the indoor consoles. I don't know >> why I expected them to be identical, and I don't know how much >> precision to expect. It may well be that the discrepancies are within >> the limits of accuracy for this class of devices. >> >> I report to AWEKAS, CWOP, PWSWeather, WOW, and Wunderground, so I >> think I ought to exercise some care with my calibration in order not >> to contribute unnecessarily to public perceptions of Anthropogenic >> Global Warming (AGW). In fact I'm motivated to replace the Ambient >> station because the wind direction sensor failed in Aug 2023. >> >> > reading Ambient AcuRite KSBM >> > ---------------- ---------- ---------- --------- >> > outdoor temp 26.2°F 26°F 26.1°F >> > outdoor humidity 53% 83% 80% >> > pressure 29.24 inHg 29.84 inHg >> > barometer 29.56 inHg >> >> Right now the outdoor temp is the same on a cloudy day, but I've seen >> the AcuRite 2°F higher and 2°F lower. It has a small solar panel and >> is aspirated, so it may be more reliable. It's just merely possible >> that its humidity is much more nearly correct, too, because it IS >> CLOSE to what the Sheboygan, WI, airport is reporting. >> >> According to the WeeWX hardware pages, both stations report "pressure" >> so I assume that the contradiction is in the labeling on their >> consoles and not in what they think they are measuring. Again the >> AcuRite is more nearly correct, according the airport. Goodness knows >> how the actual altitude differs but it can't be more than a couple >> orders of magnitude in feet. >> >> ... so my questions are: >> >> Q1: Is this level of obsession justified? >> >> Q2: Should I attempt any calibration of the AcuRite station? >> >> Q3: Or should I just let it fly without providing any smoothing >> between old and new readings? >> >> Q4: Do I need to have youinses change the WeeWX map, or will my >> station model populate automagically? >> >> - -- >> .. Be Seeing You, >> .. Chuck Rhode, Sheboygan, WI, USA >> .. Weather: https://LacusVeris.com/Wx >> .. 25° — Wind WSW at 7 mph. Sky overcast; light snow; mist. >> -----BEGIN PGP SIGNATURE----- >> >> iF0EARECAB0WIQT+MY/5I/LMPSswTbVg2/xipKOWUgUCZ4FNnQAKCRBg2/xipKOW >> UkuiAJ434hOrwrf28Y3opzagIUl4MFm0gQCbB+WApkcJSJRg+pCa/Vgu8hiLhHc= >> =TNQQ >> -----END PGP SIGNATURE----- >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to weewx-user+unsubscr...@googlegroups.com. >> To view this discussion visit >> https://groups.google.com/d/msgid/weewx-user/20250110104101.4d98fbcf%40BigTimber.LacusVeris.com >> . >> > > > -- > Peter Quinn > (415)794-2264 > > -- > You received this message because you are subscribed to the Google Groups > "weewx-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to weewx-user+unsubscr...@googlegroups.com. > To view this discussion visit > https://groups.google.com/d/msgid/weewx-user/CAA1SM21R3cYtXeY9_M%3DWmtwWkcwH-OsdWyGmAgRb_9kF9zuJzA%40mail.gmail.com > <https://groups.google.com/d/msgid/weewx-user/CAA1SM21R3cYtXeY9_M%3DWmtwWkcwH-OsdWyGmAgRb_9kF9zuJzA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. 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