I recently was gifted this colour LCD weather station to replace an old
FineOffset whos console had died.
I had used weewx for a while using the USB output from the FineOffset
console so I'm familiar with the weewx system. I had also used the SDR
driver with rtl_433 to collect data after the console had died.
With the new Digitech the console has no USB so I've been hunting for the
wireless link around 917MHz and located a transmission that rtl_433 could
decode..... to a point.
I can see most sensors such as temperature and wind but I don't see any
rainfall data being sent wirelessly. Here's the output of rtl_433:
{"time" : "2021-04-14 22:48:45", "model" : "Bresser-6in1", "id" :
432013605, "channel" : 0, "battery_ok" : 1, "temperature_C" : 64.400,
"humidity" : 157, "sensor_type" : 1, "wind_max_m_s" : 3.800, "wind_avg_m_s"
: 3.600, "wind_dir_deg" : 270, "mic" : "CRC"}
{"time" : "2021-04-14 22:48:57", "model" : "Bresser-6in1", "id" :
432013605, "channel" : 0, "battery_ok" : 1, "temperature_C" : 16.300,
"humidity" : 83, "sensor_type" : 1, "wind_max_m_s" : 3.400, "wind_avg_m_s"
: 3.300, "wind_dir_deg" : 292, "mic" : "CRC"}
As you can see I get two readings, the top reading always has a temperature
of 64.4 and humidity of 157. However, when parsed into weewx the readings
are stable and what I would expect from the sensors.
Since the rain sensor data is missing I think either the protocol is
slightly different or my sensor map in weewx.conf is not correct but since
the rain data is not being shown by rtl_433 then I think it's the protocol.
Is anyone smarter than me (clearly!) who can steer me toward collecting the
rain data?
Thanks, Michael
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