Vince and everyone,
I have a RAK7244 LoRa (chirpstack) setup on my LAN that is getting data
from two LHT65 temp/hum sensors. All seems to be working correctly.
My goal is to import the data into weewx which I have running on an rpi.
Not being a programmer, I seem to be WAY OVER my head with how to set up
mqtt and deal with json files. I have tried the python program kindly
offered by Ralph Underwood and it seems to be subscribing to the json data:
MQTT_SERVER = "192.168.1.10"
MQTT_TOPIC = "application/#" *** [using '#' to get everything]
Connected with result code 0
application/7/device/a8404117b18312e9/rx
{"applicationID":"7","applicationName":"LHT65","deviceName":"LHT65x","devEUI":"a8404117b18312e9","txInfo":{"frequency":905100000,"dr":0},"adr":true,"fCnt":1376,"fPort":2,"data":"y+wJUAHgAQlHf/8=","object":{"BatV":3.052,"Ext_sensor":"Temperature
Sensor LHT65","Hum_SHT":"48.0","TempF_DS":"74.75","TempF_SHT":"74.91"}}
{"applicationID":"7","applicationName":"LHT65","deviceName":"LHT65x","devEUI":"a8404117b18312e9","txInfo":{"frequency":905100000,"dr":0},"adr":true,"fCnt":1376,"fPort":2,"data":"y+wJUAHgAQlHf/8=","object":{"BatV":3.052,"Ext_sensor":"Temperature
Sensor LHT65","Hum_SHT":"48.0","TempF_DS":"74.75","TempF_SHT":"74.91"}}
application/7/device/a84041468182b4da/rx
{"applicationID":"7","applicationName":"LHT65","deviceName":"LHT65-1","devEUI":"a84041468182b4da","txInfo":{"frequency":904300000,"dr":0},"adr":true,"fCnt":1367,"fPort":2,"data":"y9ELFQGRAQr2f/8=","object":{"BatV":3.025,"Ext_sensor":"Temperature
Sensor LHT65","Hum_SHT":"40.1","TempF_DS":"82.51","TempF_SHT":"83.07"}}
{"applicationID":"7","applicationName":"LHT65","deviceName":"LHT65-1","devEUI":"a84041468182b4da","txInfo":{"frequency":904300000,"dr":0},"adr":true,"fCnt":1367,"fPort":2,"data":"y9ELFQGRAQr2f/8=","object":{"BatV":3.025,"Ext_sensor":"Temperature
Sensor LHT65","Hum_SHT":"40.1","TempF_DS":"82.51","TempF_SHT":"83.07"}}
At this point I'm not sure what to do to get the data into weewx. If anyone
can offer a suggestion I would be most grateful.
Thanks.
Bob
On Saturday, April 6, 2019 at 10:04:28 AM UTC-4 vince wrote:
> On Saturday, April 6, 2019 at 6:52:06 AM UTC-7, Ralph Underwood wrote:
>>
>> I have a small python program that subscribes to mqtt and writes a text
>> file. I then use the filepile as a service to get the data into WeeWx. The
>> "main" data comes from a Ultimeter station via the driver.
>>
>>
>>
> I have a similar setup that reads pi sensors and writes a JSON file that
> nginx serves up on a secondary pi. I wrote a weewx service that grabs that
> file and populates a custom weewx db, although the code is somewhat ugly
> under the hood to say the least.
>
> A better example is the weatherflow UDP driver. That does a web get of a
> JSON formatted file, maps the elements to a database schema of your
> choosing, and populates the database. Very very stable. It would be a
> great example for how to grab a web endpoint and populate a custom db.
>
>
>
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