Here's what I've got in my weewx.conf file thus far.
Does this look close to correct, when you compare it to the MQTT message
from the Tasmota log?
21:54:27.154 MQT: sensors/BMP280/SENSOR =
{"Time":"2021-05-12T21:54:27","BMP280":{"Temperature":22.0,"Pressure":990.8},"PressureUnit":"hPa","TempUnit":"C"}
############################################################################
# Options for 'MQTTSubscribeService'
[MQTTSubscribeService]
# This section is for the MQTTSubscribe service.
# Turn the service on and off.
# Default is: true
# Only used by the service.
enable = false
# The MQTT server.
# Default is localhost.
host = localhost
# The port to connect to.
# Default is 1883.
port = 1883
# Maximum period in seconds allowed between communications with the
broker.
# Default is 60.
keepalive = 60
# username for broker authentication.
# Default is None.
username = None
# password for broker authentication.
# Default is None.
password = None
# The binding, loop or archive.
# Default is: loop
# Only used by the service.
binding = loop
# The message handler to use
[[message_callback]]
# The format of the MQTT payload.
# Currently support: individual, json, keyword
# Must be specified.
type = json
# When the json is nested, the delimiter between the hierarchies.
# Default is _.
flatten_delimiter = "_"
# The topics to subscribe to.
[[topics]]
# Units for MQTT payloads without unit value.
# Valid values: US, METRIC, METRICWX
# Default is: US
unit_system = METRIC
[[[first/topic]]]
# The incoming field name from MQTT.
[[[[Time]]]]
# left side is the name from MQTT.
# right side is the WeeWX name.
Time = dateTime
[[[second/topic]]]
# The incoming field name from MQTT.
[[[[BME280_Temperature]]]]
# left side is the name from MQTT.
# right side is the WeeWX name.
Temperature = extraTemp1
[[[[BME280_Pressure]]]]
# left side is the name from MQTT.
# right side is the WeeWX name.
Pressure = barometer
[[[third/topic]]]
# The incoming field name from MQTT.
[[[[PressureUnit]]]]
# left side is the name from MQTT.
# right side is the WeeWX name.
PressureUnit = ??
[[[fourth/topic]]]
# The incoming field name from MQTT.
[[[[TemperatureUnit]]]]
# left side is the name from MQTT.
# right side is the WeeWX name.
TempUnit = ??
On Wednesday, May 12, 2021 at 10:05:22 PM UTC-5 Eric Koester wrote:
> Maybe this line from the Tasmota Console (log) is a clue?
>
> 21:54:27.154 MQT: sensors/BMP280/SENSOR =
> {"Time":"2021-05-12T21:54:27","BMP280":{"Temperature":22.0,"Pressure":990.8},"PressureUnit":"hPa","TempUnit":"C"}
>
> On Wed, May 12, 2021 at 9:54 PM Eric Koester <[email protected]> wrote:
>
>> I've got a BMP280 sensor (only 2 internal sensors) connected to an
>> ESP-12F module, running Tasmota firmware.
>> The example I'm following is a BME280 which has 3 internal sensors.
>> https://tasmota.github.io/docs/BME280/
>> Rich Bell mentioned that the BME280 (and BMP280) data is json and nested
>> and that the data would come through as BMP280_Temperature, BMP280_Pressure.
>> [image: Tasmota_Main-screen_BMP280.jpg]
>>
>> I roughly configured the MQTT settings in Tasmota and you can see it's
>> made connection with the mosquitto broker.
>> section of /var/log/mosquitto/mosquitto.log file:
>> *1620871934: New connection from 192.168.7.132 on port 1883.*
>> *1620871934: New client connected from 192.168.7.132 as ESP-12F_1 (p2,
>> c1, k30, u'ESP-12F_USER').*
>> *1620872759: Saving in-memory database to
>> /var/lib/mosquitto/mosquitto.db.*
>>
>> I'm not clear what I should set the Topic and Full Topic fields to in the
>> Tasmota MQTT screen.
>>
>> [image: Tasmota_MQTT-settings_1.jpg]
>>
>>
>> On Wednesday, May 12, 2021 at 6:24:46 PM UTC-5 Eric Koester wrote:
>>
>>> For those following along, I discovered that the mosquitto_pub &
>>> mosquitto_sub clients were automatically installed when I installed
>>> mosquitto into Ubuntu. Here was the tip-off:
>>> *weewx@Ubuntu20-WEEWX:~$ sudo apt install mosquitto-clients*
>>> *Reading package lists... Done*
>>> *Building dependency tree *
>>> *Reading state information... Done*
>>> *mosquitto-clients is already the newest version (1.6.12-1).*
>>> *0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.*
>>>
>>> I found some Youtube videos by Steve Cope which show examples of using
>>> the commands.
>>> https://youtu.be/J4pqv9__uzE
>>>
>>> He mentions using the debug switch (-d) so you can see that the commands
>>> are doing something - very useful!
>>>
>>> Running mosquitto_pub in one terminal window and mosquitto_sub in
>>> another is showing feedback of success!
>>>
>>> *weewx@Ubuntu20-WEEWX:~$ mosquitto_pub -h 192.168.7.22 -p 1883 -t
>>> sensors/temperature -m "1266193804 32" -d*
>>> *Client mosq-6o6U1MqsMVovfxfZta sending CONNECT*
>>> *Client mosq-6o6U1MqsMVovfxfZta received CONNACK (0)*
>>> *Client mosq-6o6U1MqsMVovfxfZta sending PUBLISH (d0, q0, r0, m1,
>>> 'sensors/temperature', ... (13 bytes))*
>>> *Client mosq-6o6U1MqsMVovfxfZta sending DISCONNECT*
>>>
>>> *weewx@Ubuntu20-WEEWX:/etc/mosquitto$ mosquitto_sub -h 192.168.7.22 -p
>>> 1883 -t sensors/temperature -d*
>>> *Client mosq-VJoHFtTvE0io4OBXfe sending CONNECT*
>>> *Client mosq-VJoHFtTvE0io4OBXfe received CONNACK (0)*
>>> *Client mosq-VJoHFtTvE0io4OBXfe sending SUBSCRIBE (Mid: 1, Topic:
>>> sensors/temperature, QoS: 0, Options: 0x00)*
>>> *Client mosq-VJoHFtTvE0io4OBXfe received SUBACK*
>>> *Subscribed (mid: 1): 0*
>>> *Client mosq-VJoHFtTvE0io4OBXfe received PUBLISH (d0, q0, r0, m0,
>>> 'sensors/temperature', ... (13 bytes))*
>>> *1266193804 32*
>>> *Client mosq-VJoHFtTvE0io4OBXfe sending PINGREQ*
>>> *Client mosq-VJoHFtTvE0io4OBXfe received PINGRESP*
>>>
>>
> On Wednesday, May 12, 2021 at 3:20:05 PM UTC-5 [email protected] wrote:
>>>
>>>> As Greg said, make sure your MQTT infrastructure is up and running
>>>> correctly. Since you installed your own broker, a first check is to use
>>>> mosquitto_sub and mosquitto_pub to a test topic. Once that is working, use
>>>> mosquitto_sub to subscribe to the broker and topic(s) that you want
>>>> MQTTSubscribe to subscribe to. This will also provide you with the MQTT
>>>> message. The actual message will be useful as you configure
>>>> WeeWX/MQTTSubscribe.
>>>>
>>>> Next read https://github.com/bellrichm/WeeWX-MQTTSubscribe/wiki. This
>>>> will outline the install steps and point you to
>>>> https://github.com/bellrichm/WeeWX-MQTTSubscribe/wiki/Configuring,
>>>> which has the information on configuring WeeWX/MQTTSubscribe. This page
>>>> will also provide you with links to configuration examples by payload
>>>> ‘type’.
>>>> rich
>>>>
>>>
>>
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