Cotech-367959 weather station

[csharpengineer]

I need help figuring out how to map my weather station so that it can be mapped properly.

Here is the output as shown from sdr.py: out: ['{"time" : "2022-03-01 14:11:26", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 47.000, "humidity" : 61, "rain_mm" : 18.600, "wind_dir_deg" : 45, "wind_avg_m_s" : 0.600, "wind_max_m_s" : 1.000, "mic" : "CRC"}\n']

Occasionally, it will get two packets at a time. Will it be OK with this? out: ['{"time" : "2022-03-01 14:11:42", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 46.900, "humidity" : 62, "rain_mm" : 18.600, "wind_dir_deg" : 16, "wind_avg_m_s" : 0.600, "wind_max_m_s" : 0.700, "mic" : "CRC"}\n', '{"time" : "2022-03-01 14:11:42", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 46.900, "humidity" : 62, "rain_mm" : 18.600, "wind_dir_deg" : 16, "wind_avg_m_s" : 0.600, "wind_max_m_s" : 0.700, "mic" : "CRC"}\n']

Thanks in advance!

[andylittle]

Duplicates are fine. Is that the only packet it sends?

[csharpengineer]

Yes, all packets look just like that one.

pi@raspberrypi:~ $ rtl_433 -d driver=rtlsdr -t digital_agc=true -g TUNER=30 -R 153 -F json -M utc Registered 1 out of 175 device decoding protocols [ 153 ] ... Found Rafael Micro R820T tuner ... Tuned to 433.920MHz. {"time" : "2022-03-03 15:56:49", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 71.200, "humidity" : 35, "rain_mm" : 18.600, "wind_dir_deg" : 285, "wind_avg_m_s" : 0.000, "wind_max_m_s" : 0.000, "mic" : "CRC"} {"time" : "2022-03-03 15:56:49", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 71.200, "humidity" : 35, "rain_mm" : 18.600, "wind_dir_deg" : 285, "wind_avg_m_s" : 0.000, "wind_max_m_s" : 0.000, "mic" : "CRC"} {"time" : "2022-03-03 15:57:05", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 71.400, "humidity" : 36, "rain_mm" : 18.600, "wind_dir_deg" : 78, "wind_avg_m_s" : 0.200, "wind_max_m_s" : 0.300, "mic" : "CRC"} {"time" : "2022-03-03 15:57:21", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 71.500, "humidity" : 36, "rain_mm" : 18.600, "wind_dir_deg" : 127, "wind_avg_m_s" : 0.300, "wind_max_m_s" : 0.700, "mic" : "CRC"} {"time" : "2022-03-03 15:57:21", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 71.500, "humidity" : 36, "rain_mm" : 18.600, "wind_dir_deg" : 127, "wind_avg_m_s" : 0.300, "wind_max_m_s" : 0.700, "mic" : "CRC"} {"time" : "2022-03-03 15:57:37", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 71.600, "humidity" : 36, "rain_mm" : 18.600, "wind_dir_deg" : 225, "wind_avg_m_s" : 0.400, "wind_max_m_s" : 0.700, "mic" : "CRC"} {"time" : "2022-03-03 15:57:53", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 71.600, "humidity" : 35, "rain_mm" : 18.600, "wind_dir_deg" : 200, "wind_avg_m_s" : 0.500, "wind_max_m_s" : 0.700, "mic" : "CRC"} {"time" : "2022-03-03 15:57:53", "model" : "Cotech-367959", "id" : 24, "battery_ok" : 1, "temperature_F" : 71.600, "humidity" : 35, "rain_mm" : 18.600, "wind_dir_deg" : 200, "wind_avg_m_s" : 0.500, "wind_max_m_s" : 0.700, "mic" : "CRC"}

[andylittle]

https://github.com/andylittle/weewx-sdr-1/blob/master/bin/user/sdr.py

Replace your sdr.py file with this one, and post back if it works and the units seem correct. The new section starts on line 1180, based on the WS2032 section starting on 3118

depending on your install method, the sdr.py file will be in /home/weewx/bin/user or /usr/share/weewx/user

Andy

[csharpengineer]

Thanks! If I would have known it was that easy I might have done it 👍 I now get these parsed packets:

parsed: {'dateTime': 1646329409, 'usUnits': 16, 'battery.24.WS2032Packet': 1, 'temperature.24.WS2032Packet': 24.499999999999996, 'humidity.24.WS2032Packet': 27.0, 'wind_gust.24.WS2032Packet': 1.7, 'wind_speed.24.WS2032Packet': 1.4, 'wind_dir.24.WS2032Packet': 117.0, 'total_rain.24.WS2032Packet': 18.6}

Sensor map:

   [[sensor_map]]  
        battery = battery.24.WS2032Packet
        windDir = wind_dir.24.WS2032Packet
        windSpeed = wind_speed.24.WS2032Packet
        windGust = wind_gust.24.WS2032Packet
        outTemp = temperature.24.WS2032Packet
        outHumidity = humidity.24.WS2032Packet
        rain_total = total_rain.24.WS2032Packet

I think we might have it!

[csharpengineer]

I probably need some tweaking because I don't have the map 100% correct, but thanks again.

[andylittle]

ugh I had a typo in there, grab the file from my repo again and the identifier should change to xxxxx.Cotech367959Packet pkt = Packet.add_identifiers(pkt, sensor_id, Cotech367959Packet.name)

[whtz]

New to all of this, so please bear with me. I know this is an old thread, but it seemed to fit my situation as I was getting the same "Cotech-367959" from rtl_433. Is it ok to ask here, or should I just start a new topic? Thanks in advance!

Long story short, I get parsed data when I run it thru sdr.py,

parsed: {'dateTime': 1658503239, 'usUnits': 16, 'battery.31.Cotech367959Packet': 1, 'temperature.31.Cotech367959Packet': 29.499999999999996, 'humidity.31.Cotech367959Packet': 50.0, 'wind_gust.31.Cotech367959Packet': 1.0, 'wind_speed.31.Cotech367959Packet': 0.8, 'wind_dir.31.Cotech367959Packet': 175.0, 'total_rain.31.Cotech367959Packet': 20.1}

But when I run weewx, it crashes:

Original exception was: Traceback (most recent call last): File "/usr/share/weewx/weewxd", line 248, in <module> main() File "/usr/share/weewx/weewxd", line 153, in main engine.run() File "/usr/share/weewx/weewx/engine.py", line 210, in run self.dispatchEvent(weewx.Event(weewx.NEW_LOOP_PACKET, packet=packet)) File "/usr/share/weewx/weewx/engine.py", line 245, in dispatchEvent callback(event) File "/usr/share/weewx/weewx/wxservices.py", line 112, in new_loop_packet self.do_calculations(event.packet, self.loop_calc_dict) File "/usr/share/weewx/weewx/wxservices.py", line 137, in do_calculations new_value = weewx.xtypes.get_scalar(obs_type, data_dict, self.db_manager) File "/usr/share/weewx/weewx/xtypes.py", line 77, in get_scalar return xtype.get_scalar(obs_type, record, db_manager, **option_dict) File "/usr/share/weewx/weewx/wxxtypes.py", line 374, in get_scalar return self.altimeter(record) File "/usr/share/weewx/weewx/wxxtypes.py", line 423, in altimeter altitude = weewx.units.convertStd(self.altitude_vt, record['usUnits']) File "/usr/share/weewx/weewx/units.py", line 1444, in convertStd return StdUnitConverters[target_std_unit_system].convert(val_t) File "/usr/share/weewx/weewx/units.py", line 881, in convert new_val_t = convert(val_t, new_unit_type) File "/usr/share/weewx/weewx/units.py", line 1409, in convert conversion_func = conversionDict[val_t[1]][target_unit] KeyError: 'feet' Sensor_Map `[[sensor_map]] outTemp = temperature.31.Cotech367959Packet outHumidity = humidity.31.Cotech367959Packet windDir = wind_dir.31.Cotech367959Packet windSpeed = wind_speed.31.Cotech367959Packet windGust = wind_gust.31.Cotech367959Packet rain_total = total_rain.31.Cotech367959Packet

uv = uv.16.FOWH65BAltPacket # Not displaying in web page

    # light = light.16.FOWH65BAltPacket # Not displaying in web page
    outTempBatteryStatus = battery.31.Cotech367959Packet`

[whtz]

Nevermind. It was a typo. Thank you for getting me going in the right direction in the first place though!