Yep I always mount them remotely too, even a few inches away is good On Fri, 14 Dec 2018, 13:55 Wes Witt <wesw...@gmail.com wrote:
> Pat is totally correct. I have an indoor weather display using a 7" LCD > display with a Pi attached to the back. I started out with a BME280 > attached to the back of the Pi and connected via GPIO. It worked great but > the temp was always high. I tried many things to make it accurate but in > the end decided that it was not possible. I ended up building a remote > sensor board using an ESP8266. This works flawlessly and yields a very > accurate reading always. > > On Thursday, December 13, 2018 at 4:37:05 PM UTC-8, Pat wrote: >> >> The only downside I can see to this is that the BME280 is above the Pi, >> so it's gotta be picking up ambient heat coming off the Pi itself. I >> noticed that with my setup I have now - I'm using a Moteino to receive >> Davis ISS packets (a very involved DIY project), and when I had the Moteino >> and BME280 on top of the Pi the temperature was off from the console. As >> soon as I moved it to the side away from the Pi it matched the console >> exactly. >> >> The BME280 is a very sensitive device. Surprisingly enough I have 2 from >> Adafruit which were bad. I bought a cheapo $9 off Amazon and it's been >> perfect (in that it matches the Davis console exactly on >> temp/humidity/barometer). >> >> Photo attached of the Pi and Moteino. It's not on the window sill >> anymore.. it's on my desk which is further away, but still works great! >> >> >> On Thursday, December 13, 2018 at 9:37:20 AM UTC-5, Louis De Lange wrote: >>> >>> Pat, one more thing that's is really useful is that the weather board >>> has an extra RJ11 connector with 3 spare analog input channels that can me >>> used for additional sensors such as solar, etc. >> >> -- > 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. > For more options, visit https://groups.google.com/d/optout. > -- 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. For more options, visit https://groups.google.com/d/optout.
