# \#mqtt **URL:** https://community.openhab.org/tag/mqtt/478.md [Latest](https://community.openhab.org/latest.md) · [Categories](https://community.openhab.org/categories.md) · [Tags](https://community.openhab.org/tags.md) --- ## [Testing an Android wall panel app with the Home Assistant binding – feedback from openHAB users welcome](https://community.openhab.org/t/testing-an-android-wall-panel-app-with-the-home-assistant-binding-feedback-from-openhab-users-welcome/170576)
**Author:** [@armambos](https://community.openhab.org/u/armambos)\ **Replies:** 3\ **Last updated:** [October 3, 2026, 10:45am UTC](https://community.openhab.org/t/testing-an-android-wall-panel-app-with-the-home-assistant-binding-feedback-from-openhab-users-welcome/170576 "2026-10-03T10:45:08Z")
Hi everyone! I’m Armando, a solo developer from Mexico. I’m building DoLu Panel, a free Android app that turns a spare tablet or phone into a wall panel, and I’m getting ready to publish it on Google Play. It started wi… --- ## [Reading a water meter's scanning disc: a battery-free optical reader with MQTT and openHAB](https://community.openhab.org/t/reading-a-water-meters-scanning-disc-a-battery-free-optical-reader-with-mqtt-and-openhab/170573)
**Author:** [@jb4711](https://community.openhab.org/u/jb4711)\ **Replies:** 1\ **Last updated:** [October 3, 2026, 4:27am UTC](https://community.openhab.org/t/reading-a-water-meters-scanning-disc-a-battery-free-optical-reader-with-mqtt-and-openhab/170573 "2026-10-03T04:27:45Z")
No camera, no OCR, no battery: most mechanical water meters already carry a small disc in their register that turns with the flow, so that the vendor’s pulse module can count it. A reflective sensor can count it just as … --- ## [Bosch and Siemens appliances smart without Home Connect: reading the internal D-Bus over MQTT](https://community.openhab.org/t/bosch-and-siemens-appliances-smart-without-home-connect-reading-the-internal-d-bus-over-mqtt/170271)
**Author:** [@jb4711](https://community.openhab.org/u/jb4711)\ **Replies:** 3\ **Last updated:** [September 11, 2026, 3:52pm UTC](https://community.openhab.org/t/bosch-and-siemens-appliances-smart-without-home-connect-reading-the-internal-d-bus-over-mqtt/170271 "2026-09-11T15:52:44Z")
No cloud, no account, no power-consumption guessing: the machine already says what it is doing on a service bus behind the front panel. This is the firmware I wrote for an existing interface board, building on the revers… --- ## [RTI AD8X Amplifier and MQTT bridge](https://community.openhab.org/t/rti-ad8x-amplifier-and-mqtt-bridge/170197)
**Author:** [@pleedell](https://community.openhab.org/u/pleedell)\ **Replies:** 3\ **Last updated:** [August 24, 2026, 4:10pm UTC](https://community.openhab.org/t/rti-ad8x-amplifier-and-mqtt-bridge/170197 "2026-08-24T16:10:24Z")
So I finally made some time to finish integrating my RTI multizone home amplifier via a custom python bridge created by a homeassistant contributor. The bridge uses paho-mqtt client to connect to a pretty much out of th… --- ## [How to skip 0 values on incoming MCTT channel messages?](https://community.openhab.org/t/how-to-skip-0-values-on-incoming-mctt-channel-messages/169921)
**Author:** [@JensA](https://community.openhab.org/u/JensA)\ **Replies:** 2\ **Last updated:** [July 28, 2026, 7:23pm UTC](https://community.openhab.org/t/how-to-skip-0-values-on-incoming-mctt-channel-messages/169921 "2026-07-28T19:23:20Z")
openHAB 5.1.4 indexdb eclipse-mosquitto configured as MQTT Broker in openHab Then there is a zendure solarflow 800 configured to send to the above mqtt server OH reads the messages from there. There is a small issue … --- ## [Bridge between NSPanel with Lovelace UI and openHAB](https://community.openhab.org/t/bridge-between-nspanel-with-lovelace-ui-and-openhab/169307)
**Author:** [@olialb](https://community.openhab.org/u/olialb)\ **Replies:** 13\ **Last updated:** [July 26, 2026, 11:05am UTC](https://community.openhab.org/t/bridge-between-nspanel-with-lovelace-ui-and-openhab/169307 "2026-07-26T11:05:25Z")
Hi Guys, I just want to introduce my GitHub project to connect a Sonoff NSPanel with lovelace UI to openHAB. The project implements a python mqtt client which is bridging the panel mqtt messages to openHAB items: Y… --- ## [Problem with channels on mqtt things dicovered by homeassistant discovery since oh4.3](https://community.openhab.org/t/problem-with-channels-on-mqtt-things-dicovered-by-homeassistant-discovery-since-oh4-3/161930)
**Author:** [@joga](https://community.openhab.org/u/joga)\ **Replies:** 12\ **Last updated:** [July 14, 2026, 8:35pm UTC](https://community.openhab.org/t/problem-with-channels-on-mqtt-things-dicovered-by-homeassistant-discovery-since-oh4-3/161930 "2026-07-14T20:35:36Z")
Hello all, I have a weird problem with my mqtt things that are being discovered via homeassistant protocol. I usually configure channel binding to items via UI. So when I discover a new thing and start to bind some item… --- ## [Imou cameras on openHAB — cloud API, MQTT bridge, no official binding](https://community.openhab.org/t/imou-cameras-on-openhab-cloud-api-mqtt-bridge-no-official-binding/169656)
**Author:** [@sjt305481-cyber](https://community.openhab.org/u/sjt305481-cyber)\ **Replies:** 1\ **Last updated:** [June 30, 2026, 9:02am UTC](https://community.openhab.org/t/imou-cameras-on-openhab-cloud-api-mqtt-bridge-no-official-binding/169656 "2026-06-30T09:02:17Z")
I run openHAB 4.x at home. Two Imou cameras on the front door and garage—great in the Imou Life app, invisible to my Rules. I spent a weekend on the ONVIF binding. One stream worked over Ethernet. The Wi-Fi camera kept g… --- ## [MQTT4MHI: PoC MQTT bridge for MHI AC devices (WF-RAC)](https://community.openhab.org/t/mqtt4mhi-poc-mqtt-bridge-for-mhi-ac-devices-wf-rac/169516)
**Author:** [@Oggerschummer](https://community.openhab.org/u/Oggerschummer)\ **Replies:** 0\ **Last updated:** [June 12, 2026, 6:32pm UTC](https://community.openhab.org/t/mqtt4mhi-poc-mqtt-bridge-for-mhi-ac-devices-wf-rac/169516 "2026-06-12T18:32:07Z")
Hi openHAB friends trying to cool down or heat up your home, upfront thanks to all people that have been investigating on how to get theses devices controlled and integrated, without them this would not have been possib… --- ## [MQTT thing config not allowing colons](https://community.openhab.org/t/mqtt-thing-config-not-allowing-colons/169394)
**Author:** [@BigCol](https://community.openhab.org/u/BigCol)\ **Replies:** 4\ **Last updated:** [May 31, 2026, 2:05am UTC](https://community.openhab.org/t/mqtt-thing-config-not-allowing-colons/169394 "2026-05-31T02:05:06Z")
I’m running OH 5.1.0 in Docker. I’m getting an error when a colon is used in the thing id --- ## [ESP32-MQTT-Brigde for Optoma Projector with RS232](https://community.openhab.org/t/esp32-mqtt-brigde-for-optoma-projector-with-rs232/169125)
**Author:** [@JGluch](https://community.openhab.org/u/JGluch)\ **Replies:** 0\ **Last updated:** [April 22, 2026, 9:06pm UTC](https://community.openhab.org/t/esp32-mqtt-brigde-for-optoma-projector-with-rs232/169125 "2026-04-22T21:06:33Z")
I still use my Optoma projector from 2018 and recently updated its integration in the smart home (see old setup in this thread). Currently, I prefer integrating third-party devices into openHAB via MQTT. It has proven ef… --- ## [MQTTany - GPIO and more over MQTT](https://community.openhab.org/t/mqttany-gpio-and-more-over-mqtt/81450)
**Author:** [@CrazyIvan359](https://community.openhab.org/u/CrazyIvan359)\ **Replies:** 70\ **Last updated:** [April 20, 2026, 7:49pm UTC](https://community.openhab.org/t/mqttany-gpio-and-more-over-mqtt/81450 "2026-04-20T19:49:03Z")
MQTTany v0.14.1 \>\>\> Raspberry Pi 4 support is here in v0.14.1! \<\<\< MQTTany is the evolution of a simple Python program I wrote to allow me to control the GPIO pins on a Raspberry Pi 3 from my openHAB server. MQTTany is… --- ## [\[Project\] Volvo 2025+ (Google AAOS) MQTT Bridge - Docker ready](https://community.openhab.org/t/project-volvo-2025-google-aaos-mqtt-bridge-docker-ready/169081)
**Author:** [@cmachtel](https://community.openhab.org/u/cmachtel)\ **Replies:** 0\ **Last updated:** [April 16, 2026, 6:58pm UTC](https://community.openhab.org/t/project-volvo-2025-google-aaos-mqtt-bridge-docker-ready/169081 "2026-04-16T18:58:41Z")
Hi everyone, As a owner of a Volvo XC60 (2025 model) with Google built-in (AAOS), I struggled to integrate it with openHAB since older APIs are not fully compatible with these newer models. I’ve developed a Python-base… --- ## [Mosquitto Server no connection to ems or anonymous](https://community.openhab.org/t/mosquitto-server-no-connection-to-ems-or-anonymous/168785)
**Author:** [@franz33](https://community.openhab.org/u/franz33)\ **Replies:** 1\ **Last updated:** [March 13, 2026, 3:18pm UTC](https://community.openhab.org/t/mosquitto-server-no-connection-to-ems-or-anonymous/168785 "2026-03-13T15:18:45Z")
All I just migrated to the latest openhabe image.I just found out that the new mosquitto server does not allow anomymous connection and so I did not got a connection to my ems heating system. I added the following to th… --- ## [Issue with initialising of things using MQTT and EVCC after reboot of RP (openhabian)](https://community.openhab.org/t/issue-with-initialising-of-things-using-mqtt-and-evcc-after-reboot-of-rp-openhabian/168751)
**Author:** [@Elsing](https://community.openhab.org/u/Elsing)\ **Replies:** 5\ **Last updated:** [March 11, 2026, 3:11pm UTC](https://community.openhab.org/t/issue-with-initialising-of-things-using-mqtt-and-evcc-after-reboot-of-rp-openhabian/168751 "2026-03-11T15:11:35Z")
I am experiencing a reproducible problem with the initialising of things after a reboot of my RP (openhabian). To me this looks like a race condition, openhab starts at the same time as EVCC, MQTT and Zigbee2MQTT + ZWave… --- ## [Cannot add MQTT thing](https://community.openhab.org/t/cannot-add-mqtt-thing/168385)
**Author:** [@mu88](https://community.openhab.org/u/mu88)\ **Replies:** 3\ **Last updated:** [February 13, 2026, 6:51pm UTC](https://community.openhab.org/t/cannot-add-mqtt-thing/168385 "2026-02-13T18:51:53Z")
Hello, I’m running openHAB v5.1.1 on my Raspberry Pi 4 using Docker. I’m trying to connect my vacuum robot (which runs on \[Valetudo\](https://valetudo.cloud/)) to openHAB via MQTT. For MQTT, I use Mosquitto. I can succes… --- ## [OH5.1: MQTT-integration of Tasmota plugs changed?](https://community.openhab.org/t/oh5-1-mqtt-integration-of-tasmota-plugs-changed/167733)
**Author:** [@binderth](https://community.openhab.org/u/binderth)\ **Replies:** 16\ **Last updated:** [February 2, 2026, 4:02pm UTC](https://community.openhab.org/t/oh5-1-mqtt-integration-of-tasmota-plugs-changed/167733 "2026-02-02T16:02:31Z")
since the upgrade from OH5.0 to OH5.1 in my docker instance, the MQTT-integration of Tasmota-plugs does not work and ends up in a endless loop? I’m using Tasmota 15.1.0 with some power-plugs (Nous A1): as you can see, … --- ## [Bambu Lab 3D Printer Integraton](https://community.openhab.org/t/bambu-lab-3d-printer-integraton/146381)
**Author:** [@Franco](https://community.openhab.org/u/Franco)\ **Replies:** 21\ **Last updated:** [January 30, 2026, 12:50pm UTC](https://community.openhab.org/t/bambu-lab-3d-printer-integraton/146381 "2026-01-30T12:50:44Z")
Hello together, maybe today i can finally give something back to the great openhab community, at least to all that own a bambu lab 3D printer. This week I recognized that there is a bambu lab printer integration for ho… --- ## [MQTT device discovery not working after migration to OH 5.1?](https://community.openhab.org/t/mqtt-device-discovery-not-working-after-migration-to-oh-5-1/167924)
**Author:** [@Elsing](https://community.openhab.org/u/Elsing)\ **Replies:** 5\ **Last updated:** [January 10, 2026, 5:46pm UTC](https://community.openhab.org/t/mqtt-device-discovery-not-working-after-migration-to-oh-5-1/167924 "2026-01-10T17:46:57Z")
Hello, I’ve got a really odd problem with the MQTT binding in OH =5.1 with the device discovery after migrating from OH4.3.8 on RP 32bit to OH5.1 on RP 64 bit, so a complete reinstall. I also copied the OH backup from 4… --- ## [publishMQTT stopped working in .rules](https://community.openhab.org/t/publishmqtt-stopped-working-in-rules/167914)
**Author:** [@dinkop](https://community.openhab.org/u/dinkop)\ **Replies:** 3\ **Last updated:** [January 9, 2026, 3:22pm UTC](https://community.openhab.org/t/publishmqtt-stopped-working-in-rules/167914 "2026-01-09T15:22:23Z")
After upgrading to openHAB 5.1.0 (or maybe even before that - not 100% sure) the publishMQTT action stopped working in rules. I have a very simple two-channel Tasmota-based light switch thing, nothing special - on/off … --- ## [MoeBot MQTT Bridge: Integrate your Robot Mower via MQTT](https://community.openhab.org/t/moebot-mqtt-bridge-integrate-your-robot-mower-via-mqtt/167854)
**Author:** [@deswong](https://community.openhab.org/u/deswong)\ **Replies:** 0\ **Last updated:** [January 7, 2026, 3:48am UTC](https://community.openhab.org/t/moebot-mqtt-bridge-integrate-your-robot-mower-via-mqtt/167854 "2026-01-07T03:48:00Z")
Hi everyone, I’m excited to share a project I’ve been working on for the MoeBot robotic lawn mower: deswong/moebot. I primarily created this for my own use. While the MoeBot comes with its own app, I found the automati… --- ## [MQTT Binding - JS transformation only executed randomly when in wrong format?](https://community.openhab.org/t/mqtt-binding-js-transformation-only-executed-randomly-when-in-wrong-format/167788)
**Author:** [@darkspirit510](https://community.openhab.org/u/darkspirit510)\ **Replies:** 2\ **Last updated:** [January 4, 2026, 7:42pm UTC](https://community.openhab.org/t/mqtt-binding-js-transformation-only-executed-randomly-when-in-wrong-format/167788 "2026-01-04T19:42:47Z")
Hi all, I have a small issue with MQTT binding and incoming data transformation using JavaScript. Somewhere in the forum (can’t find the post anymore), I read that there are two valid formats for JavaScript. But for som… --- ## [Get BME280 readings in openHABian with MQTT](https://community.openhab.org/t/get-bme280-readings-in-openhabian-with-mqtt/167513)
**Author:** [@Ivan\_Martinez](https://community.openhab.org/u/Ivan_Martinez)\ **Replies:** 3\ **Last updated:** [December 23, 2025, 8:17pm UTC](https://community.openhab.org/t/get-bme280-readings-in-openhabian-with-mqtt/167513 "2025-12-23T20:17:18Z")
Get BME280 readings in openHABian with MQTT Bosch’s BME280 is a popular environmental sensor that can measure temperature, humidity and pressure. The purpose of this how-to is to explain how to configure a OpenHABian sys… --- ## [MQTT: No publish flow registered](https://community.openhab.org/t/mqtt-no-publish-flow-registered/167604)
**Author:** [@chris66](https://community.openhab.org/u/chris66)\ **Replies:** 5\ **Last updated:** [December 22, 2025, 12:46pm UTC](https://community.openhab.org/t/mqtt-no-publish-flow-registered/167604 "2025-12-22T12:46:36Z")
Platform information: Hardware: QNAP NAS using virt. Station OS: Ubuntu 24.03 openHAB version: 5.03 Issue of the topic: Error message and no data from MQTT Hi sorry that I start with a question, but I’m new with Op… --- ## [MQTT device discovery payload](https://community.openhab.org/t/mqtt-device-discovery-payload/167213)
**Author:** [@Benjamin\_Schneider](https://community.openhab.org/u/Benjamin_Schneider)\ **Replies:** 6\ **Last updated:** [December 17, 2025, 9:52pm UTC](https://community.openhab.org/t/mqtt-device-discovery-payload/167213 "2025-12-17T21:52:16Z")
Hi there, I’m developing a MQTT adapter for my heatpump. I can already send data from various sensors as one JSON message. I manually added a MQTT binding thing to my OH 5.0.1 instance and linked the channels to various… --- ## [\[Solved\] Strange Rule Behavior](https://community.openhab.org/t/solved-strange-rule-behavior/167380)
**Author:** [@Dan](https://community.openhab.org/u/Dan)\ **Replies:** 1\ **Last updated:** [December 2, 2025, 10:07am UTC](https://community.openhab.org/t/solved-strange-rule-behavior/167380 "2025-12-02T10:07:23Z")
Hi guys… it’s been a while since my last post… actually I’m running OH 5.0.2 Release Build I’ have a rule which switches the lightscenes in my livingroom which works fine. a few days ago I began integrating an externa… --- ## [MQTT Homeassistant: Color item not updated when brightness changed](https://community.openhab.org/t/mqtt-homeassistant-color-item-not-updated-when-brightness-changed/167365)
**Author:** [@elcodeo](https://community.openhab.org/u/elcodeo)\ **Replies:** 0\ **Last updated:** [November 29, 2025, 11:57am UTC](https://community.openhab.org/t/mqtt-homeassistant-color-item-not-updated-when-brightness-changed/167365 "2025-11-29T11:57:58Z")
Hey community, It seems that the MQTT Homeassistant binding doesn’t update a color-item when the “brightness” value in the mqtt topic has changed. I looks like that the binding updates the item only if the RGB values ha… --- ## [Atag One support via Homie/MQTT thing](https://community.openhab.org/t/atag-one-support-via-homie-mqtt-thing/95138)
**Author:** [@ArdKuijpers](https://community.openhab.org/u/ArdKuijpers)\ **Replies:** 37\ **Last updated:** [November 20, 2025, 3:23am UTC](https://community.openhab.org/t/atag-one-support-via-homie-mqtt-thing/95138 "2025-11-20T03:23:47Z")
I have an Atag One central heating system and the corresponding themostat and want to control and monitor it through openHAB. There is no binding for this device, so in the past, I used a set of rules to connect to this … --- ## [MQTT: not every channel gets subscribed](https://community.openhab.org/t/mqtt-not-every-channel-gets-subscribed/167219)
**Author:** [@binderth](https://community.openhab.org/u/binderth)\ **Replies:** 2\ **Last updated:** [November 17, 2025, 7:06pm UTC](https://community.openhab.org/t/mqtt-not-every-channel-gets-subscribed/167219 "2025-11-17T19:06:23Z")
running OH5.0.2 on docker. I’m using node-RED for connecting Amazon Echo-devices to openHAB as a work-around currently and my Echos. So i linked my old items to the additional mqtt-channels. But I don’t understand the … --- ## [How to Determine if mqtt.homeassistant Thing is Online or Offline as an Item?](https://community.openhab.org/t/how-to-determine-if-mqtt-homeassistant-thing-is-online-or-offline-as-an-item/166937)
**Author:** [@KUnger](https://community.openhab.org/u/KUnger)\ **Replies:** 7\ **Last updated:** [October 27, 2025, 2:45pm UTC](https://community.openhab.org/t/how-to-determine-if-mqtt-homeassistant-thing-is-online-or-offline-as-an-item/166937 "2025-10-27T14:45:44Z")
Running: Openhab 5.0.1, installed with openHabian v1.10.5 Raspberry PI 5, Model B, Rev 1.0 Openhab mqtt.homeassistant discovery works very well, except for the little challenge last week when Things went to Unkn… [Next page](https://community.openhab.org/tag/mqtt/478.md?match_all_tags=true&page=1&tags%5B%5D=mqtt)