You can use a BMP 180 or a BMP 280 on the Pi for temp and pressure with 4 wires total. a few tutorials out there. I got mine from Adafruit.
On Tuesday, March 19, 2019 at 10:27:16 AM UTC-5, Bruce Butkus wrote: > Hey All, > Ive got 3 weather stations reporting, a WS2902, and 2x WS2065, with both > report the same 8x WH31 units, plus their own temps. > > My end goal is to run a Pi with its own display to push a webpage/ > interface that displays the current readings, along with data backup for > power / internet outages. > > Got my Pi, and SDR as this is where i learned about the Weewx, and data > backup. > > Im trying to set up the RTL-SDR + RTL_433 to pick up the radio signals of > the outdoor array + the 8 indoor units as a backup for internet or power > outages. As such I realized that the WS2902 does NOT report barometric > pressure over radio. this probably isnt a big deal unless the power / > service is out for a long time, its not a rapidly changing as say wind or > rain. and I could pick up a WH32B t/h/b sensor and replace or add it to the > array so i can get everything. > > But I thought, to be complete, if I used the other driver 'interceptor' to > pull the data from the network, well that opens up the other 2 devices > 'indoor' temps as well, and i could pick up everything, without running > the SDR.. > > the question is, does that seem reasonable. the console for the 2902 would > then need to be on battery backup as well, not really an issue, as the wifi > already is on battery. but if the wifi goes down I get no data, where as > with the SDR, I could still get the radio signals from the devices running > on battery. Plus i already have the SDR and its half configured for weewx > already, just finishing up the sensor mapping. > Im running the various consoles on wifi and connected to one wifi router, > the same my pi is connected to wifi on. I would also still like be pushing > data to ambientweather.net and wunderground obviously. > > kinda just looking for advice. I think the easiest thing is finish up the > SDR, and add a WH32b at some point to do barometric readings and be done. > -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
