Re: [mh] mqtt_discovery

Brian M <[email protected]> Fri, 13 Feb 2026 16:01:29 -0800
Newsgroups gmane.comp.misc.misterhouse.user
Message-ID <[email protected]>
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Thanks, Dave. Mostly I'm in good shape, but I've got some edge cases.

My primary problem at the moment seems to be that I can't set the 
brightness for my ZWave dimmer switches via ZWave-JS-UI. The correct 
MQTT string in one instance is:

app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue/set

Writing "3" to that MQTT topic (via MQTT-Explorer)  causes the light to 
come on at 3%, as expected. However, in MH setting it to 3, '3', or '3%' 
results in the light being turned on 100%.

I can't tell if this is a problem in with the discovery itself, or the 
implementation of of setting the MQTT_DISCOVEREDITEM.  Here are some 
details:

The MQTT discovered_item entry:

    MQTT_DISCOVEREDITEM, Upstairs_Landing_Stairs, mqtt_discovery2,
    app/zwave-js-ui/config/light/Upstairs_Landing-Stairs/dimmer/config,
    {"command_topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue/set","state_topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue","state_value_template":"{{
    \"OFF\" if value_json.value == 0 else \"ON\"
    }}","brightness_command_topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue/set","brightness_scale":99,"brightness_state_topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue","brightness_value_template":"{{
    value_json.value
    }}","on_command_type":"brightness","supported_color_modes":["brightness"],"availability":[{"payload_available":"true","payload_not_available":"false","topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/status","value_template":"{{'true'
    if value_json.value else
    'false'}}"},{"topic":"app/zwave-js-ui/_CLIENTS/ZWAVE_GATEWAY-zwave-js-ui/status","value_template":"{{'online'
    if value_json.value else
    'offline'}}"},{"payload_available":"true","payload_not_available":"false","topic":"app/zwave-js-ui/driver/status"}],"availability_mode":"all","device":{"identifiers":["zwavejs2mqtt_0xc92945ec_node259"],"manufacturer":"Zooz","model":"Dimmer
    (ZEN72)","name":"Upstairs_Landing-Stairs","sw_version":"4.0.1"},"name":"Upstairs_Landing_Stairs","unique_id":"zwavejs2mqtt_0xc92945ec_259-38-0-currentValue"}

Relevant log messages (MQTT debug level 2):

    2026-02-13 15:54:59 [MQTT D2]: Pending
    $Upstairs_Landing_Stairs-->set( 3%, ,  ) cleared
    2026-02-13 15:54:59 [MQTT D1]: unable to process template
    {{"OFF"ifvalue_json.value==0else"ON"}}
    2026-02-13 15:54:59 [MQTT D2]: fishing template value out of json
    with '$value = $value_json->{value}'
    2026-02-13 15:54:59 [MQTT D1]: remote item MQTT to MH
    Upstairs_Landing_Stairs set(95%, '')
    2026-02-13 15:54:59 [MQTT D2]: remote item $Upstairs_Landing_Stairs
    received message R:0
    T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue
    M:{"time":1771026899727,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}
    2026-02-13 15:54:59 [MQTT D1]: unable to process template
    {{"OFF"ifvalue_json.value==0else"ON"}}
    2026-02-13 15:54:59 [MQTT D2]: fishing template value out of json
    with '$value = $value_json->{value}'
    2026-02-13 15:54:59 [MQTT D1]: remote item MQTT to MH
    Upstairs_Landing_Stairs set(95%, 'mqtt')
    2026-02-13 15:54:59 [MQTT D1]: mqttserver Rcv'd: R:0
    T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/duration'
    M:'{"time":1771026899728,"value":{"value":0,"unit":"seconds"},"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}'
    2026-02-13 15:54:59 [MQTT D2]: UNHANDLED MESSAGE
    app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/duration
    --
    {"time":1771026899728,"value":{"value":0,"unit":"seconds"},"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}
    2026-02-13 15:54:59 [MQTT D1]: mqttserver Rcv'd: R:0
    T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue'
    M:'{"time":1771026899728,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}'
    2026-02-13 15:54:59 [MQTT D2]: UNHANDLED MESSAGE
    app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue
    --
    {"time":1771026899728,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}
    2026-02-13 15:54:59 [MQTT D1]: mqttserver Rcv'd: R:0
    T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue'
    M:'{"time":1771026899858,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}'
    2026-02-13 15:54:59 [MQTT D2]: remote item $Upstairs_Landing_Stairs
    received message R:0
    T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue
    M:{"time":1771026899858,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}
    2026-02-13 15:54:59 [MQTT D1]: unable to process template
    {{"OFF"ifvalue_json.value==0else"ON"}}
    2026-02-13 15:54:59 [MQTT D2]: fishing template value out of json
    with '$value = $value_json->{value}'
    2026-02-13 15:54:59 [MQTT D1]: remote item MQTT to MH
    Upstairs_Landing_Stairs set(95%, 'mqtt')
    2026-02-13 15:54:59 [MQTT D2]: remote item $Upstairs_Landing_Stairs
    received message R:0
    T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue
    M:{"time":1771026899858,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}
    2026-02-13 15:54:59 [MQTT D1]: unable to process template
    {{"OFF"ifvalue_json.value==0else"ON"}}
    2026-02-13 15:54:59 [MQTT D2]: fishing template value out of json
    with '$value = $value_json->{value}'
    2026-02-13 15:54:59 [MQTT D1]: remote item MQTT to MH
    Upstairs_Landing_Stairs set(95%, 'mqtt')


Clearly it's not happy, but I haven't been able to chase down the root 
cause. BTW, the "95%" mentioned in the logs was the switch's existing 
brightness level before I tried to change it.

Hopefully, this is clearer to you than to me.

                           -B.




On 2/13/26 15:08, Dave Neudoerffer wrote:
> You are correct Brian. HA_Item is about mirroring home assistant 
> entities.  Howard uses HA to host most of his devices and MH for 
> automations using HA_Items. Without a HA service, HA_Item makes no sense.
>
> In implementing mqtt_items, I had a few different sources of mqtt 
> devices, but not a huge variety. No did not have any zwave2mqtt stuff. 
> I have used the zigbee2mqtt stuff.  I am actually in the process of 
> enhancing the MH discovery stuff to handle the new HA device discovery 
> methodology.  If there is something I can help with, let me know.
>
> Dave

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    <p>Thanks, Dave. Mostly I'm in good shape, but I've got some edge
      cases. </p>
    <p>My primary problem at the moment seems to be that I can't set the
      brightness for my ZWave dimmer switches via ZWave-JS-UI. The
      correct MQTT string in one instance is:</p>
    <p>   
app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue/set</p>
    <p>Writing "3" to that MQTT topic (via MQTT-Explorer)  causes the
      light to come on at 3%, as expected. However, in MH setting it to
      3, '3', or '3%' results in the light being turned on 100%.</p>
    <p>I can't tell if this is a problem in with the discovery itself,
      or the implementation of of setting the MQTT_DISCOVEREDITEM.  Here
      are some details:</p>
    <p>The MQTT discovered_item entry:</p>
    <blockquote>
      <p><font face="monospace">MQTT_DISCOVEREDITEM,
          Upstairs_Landing_Stairs, mqtt_discovery2,
          app/zwave-js-ui/config/light/Upstairs_Landing-Stairs/dimmer/config,
{"command_topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue/set","state_topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue","state_value_template":"{{
          \"OFF\" if value_json.value == 0 else \"ON\"
}}","brightness_command_topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue/set","brightness_scale":99,"brightness_state_topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue","brightness_value_template":"{{
          value_json.value
}}","on_command_type":"brightness","supported_color_modes":["brightness"],"availability":[{"payload_available":"true","payload_not_available":"false","topic":"app/zwave-js-ui/Upstairs_Landing/Stairs/status","value_template":"{{'true'
          if value_json.value else
'false'}}"},{"topic":"app/zwave-js-ui/_CLIENTS/ZWAVE_GATEWAY-zwave-js-ui/status","value_template":"{{'online'
          if value_json.value else
'offline'}}"},{"payload_available":"true","payload_not_available":"false","topic":"app/zwave-js-ui/driver/status"}],"availability_mode":"all","device":{"identifiers":["zwavejs2mqtt_0xc92945ec_node259"],"manufacturer":"Zooz","model":"Dimmer
(ZEN72)","name":"Upstairs_Landing-Stairs","sw_version":"4.0.1"},"name":"Upstairs_Landing_Stairs","unique_id":"zwavejs2mqtt_0xc92945ec_259-38-0-currentValue"}</font></p>
    </blockquote>
    <p>Relevant log messages (MQTT debug level 2):</p>
    <blockquote>
      <p><font face="monospace">2026-02-13 15:54:59 [MQTT D2]: Pending
          $Upstairs_Landing_Stairs--&gt;set( 3%, ,  ) cleared</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: unable to
          process template {{"OFF"ifvalue_json.value==0else"ON"}}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: fishing
          template value out of json with '$value =
          $value_json-&gt;{value}'</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: remote
          item MQTT to MH Upstairs_Landing_Stairs set(95%, '')</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: remote
          item $Upstairs_Landing_Stairs received message <a class="moz-txt-link-freetext" href="R:0">R:0</a>
<a class="moz-txt-link-freetext" href="T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue">T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue</a> 
M:{"time":1771026899727,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: unable to
          process template {{"OFF"ifvalue_json.value==0else"ON"}}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: fishing
          template value out of json with '$value =
          $value_json-&gt;{value}'</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: remote
          item MQTT to MH Upstairs_Landing_Stairs set(95%, 'mqtt')</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: mqttserver
          Rcv'd: <a class="moz-txt-link-freetext" href="R:0">R:0</a>
<a class="moz-txt-link-freetext" href="T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/duration">T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/duration</a>'
M:'{"time":1771026899728,"value":{"value":0,"unit":"seconds"},"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}'</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: UNHANDLED
          MESSAGE
app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/duration
          --
{"time":1771026899728,"value":{"value":0,"unit":"seconds"},"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: mqttserver
          Rcv'd: <a class="moz-txt-link-freetext" href="R:0">R:0</a>
<a class="moz-txt-link-freetext" href="T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue">T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue</a>'
M:'{"time":1771026899728,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}'</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: UNHANDLED
          MESSAGE
app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/targetValue
          --
{"time":1771026899728,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: mqttserver
          Rcv'd: <a class="moz-txt-link-freetext" href="R:0">R:0</a>
<a class="moz-txt-link-freetext" href="T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue">T:'app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue</a>'
M:'{"time":1771026899858,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}'</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: remote
          item $Upstairs_Landing_Stairs received message <a class="moz-txt-link-freetext" href="R:0">R:0</a>
<a class="moz-txt-link-freetext" href="T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue">T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue</a> 
M:{"time":1771026899858,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: unable to
          process template {{"OFF"ifvalue_json.value==0else"ON"}}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: fishing
          template value out of json with '$value =
          $value_json-&gt;{value}'</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: remote
          item MQTT to MH Upstairs_Landing_Stairs set(95%, 'mqtt')</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: remote
          item $Upstairs_Landing_Stairs received message <a class="moz-txt-link-freetext" href="R:0">R:0</a>
<a class="moz-txt-link-freetext" href="T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue">T:app/zwave-js-ui/Upstairs_Landing/Stairs/switch_multilevel/endpoint_0/currentValue</a> 
M:{"time":1771026899858,"value":95,"nodeName":"Stairs","nodeLocation":"Upstairs_Landing"}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: unable to
          process template {{"OFF"ifvalue_json.value==0else"ON"}}</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D2]: fishing
          template value out of json with '$value =
          $value_json-&gt;{value}'</font><br>
        <font face="monospace">2026-02-13 15:54:59 [MQTT D1]: remote
          item MQTT to MH Upstairs_Landing_Stairs set(95%, 'mqtt')</font></p>
    </blockquote>
    <p><br>
      Clearly it's not happy, but I haven't been able to chase down the
      root cause. BTW, the "95%" mentioned in the logs was the switch's
      existing brightness level before I tried to change it.</p>
    <p>Hopefully, this is clearer to you than to me.</p>
    <p>                          -B.</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">On 2/13/26 15:08, Dave Neudoerffer
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAOFx8LMsJpqbNtOHhKHpSraehWgMGUue2+2oaQ20NHqmZ0MY9Q@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="auto">
        <div>You are correct Brian. HA_Item is about mirroring home
          assistant entities.  Howard uses HA to host most of his
          devices and MH for automations using HA_Items. Without a HA
          service, HA_Item makes no sense. </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">In implementing mqtt_items, I had a few
          different sources of mqtt devices, but not a huge variety. No
          did not have any zwave2mqtt stuff. I have used the zigbee2mqtt
          stuff.  I am actually in the process of enhancing the MH
          discovery stuff to handle the new HA device discovery
          methodology.  If there is something I can help with, let me
          know. </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">Dave</div>
      </div>
    </blockquote>
    <br>
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