# Latest

**URL:** https://discourse.nodered.org/latest.md?page=322

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 323

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## [Langchain Nodes?](https://discourse.nodered.org/t/langchain-nodes/79919)

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**Author:** [@Mobivs](https://discourse.nodered.org/u/Mobivs)\
**Replies:** 1\
**Last updated:** [19 July 2023 06:27 UTC](https://discourse.nodered.org/t/langchain-nodes/79919 "2023-07-19T06:27:05Z")

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Does anyone have any langchainJS nodes in development? This would be a big thing and a perfect AI match! Search Flowise and look how popular and clunkie their young tech is. They are not even as mature and robust as Node…

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## [Modbus rtu with nodered](https://discourse.nodered.org/t/modbus-rtu-with-nodered/79920)

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**Author:** [@VEENS973](https://discourse.nodered.org/u/VEENS973)\
**Replies:** 0\
**Last updated:** [18 July 2023 23:58 UTC](https://discourse.nodered.org/t/modbus-rtu-with-nodered/79920 "2023-07-18T23:58:01Z")

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how to manage 10 slaves rtu modbus holding register?

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## [Dynamic searchbox in dashboard](https://discourse.nodered.org/t/dynamic-searchbox-in-dashboard/79213)

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**Author:** [@jttjtt](https://discourse.nodered.org/u/jttjtt)\
**Replies:** 8\
**Last updated:** [18 July 2023 18:49 UTC](https://discourse.nodered.org/t/dynamic-searchbox-in-dashboard/79213 "2023-07-18T18:49:57Z")

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I would like to ask how to make a dynamic search box in the dashboard. What I want to achieve: I have data stored in SqLite Db - for example names I would like the user to have a searchbox where he will write for examp…

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## [Node-red-contrib-iiot-opcua - MaxSubscriptionsPerSession](https://discourse.nodered.org/t/node-red-contrib-iiot-opcua-maxsubscriptionspersession/79913)

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**Author:** [@moises](https://discourse.nodered.org/u/moises)\
**Replies:** 0\
**Last updated:** [18 July 2023 17:43 UTC](https://discourse.nodered.org/t/node-red-contrib-iiot-opcua-maxsubscriptionspersession/79913 "2023-07-18T17:43:03Z")

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Hello, I've developed a small program using the node-red-contrib-iiot-opcua module. I'm using it to set a OPC-UA server but I have encountered a limitation. I need to change the parameter MaxSubscriptionsPerSession, w…

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## [Web HMI for CompactLogix PLC to manually command stepper motor](https://discourse.nodered.org/t/web-hmi-for-compactlogix-plc-to-manually-command-stepper-motor/79909)

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**Author:** [@Tebi](https://discourse.nodered.org/u/Tebi)\
**Replies:** 0\
**Last updated:** [18 July 2023 16:47 UTC](https://discourse.nodered.org/t/web-hmi-for-compactlogix-plc-to-manually-command-stepper-motor/79909 "2023-07-18T16:47:36Z")

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I just built a web HMI that connects to a CompactLogix AB PLC via EthernetIP to command a stepper motor. If the motor is alarmed, it sends me an email notifying the alarm code. Hardware used: Any Logix family Allen…

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## [Drop messages if not consecutive false](https://discourse.nodered.org/t/drop-messages-if-not-consecutive-false/79904)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 5\
**Last updated:** [18 July 2023 14:50 UTC](https://discourse.nodered.org/t/drop-messages-if-not-consecutive-false/79904 "2023-07-18T14:50:36Z")

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Hi, I have a source which is sending false or true each 120 seconds. What I need to do is to validate the "false" message only if there are 2 consecutive "false", the first one should be dropped. It looks trivial, but I…

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## [Unable to install whatsapp link module in Node Red](https://discourse.nodered.org/t/unable-to-install-whatsapp-link-module-in-node-red/79906)

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**Author:** [@manikanta92](https://discourse.nodered.org/u/manikanta92)\
**Replies:** 1\
**Last updated:** [18 July 2023 14:35 UTC](https://discourse.nodered.org/t/unable-to-install-whatsapp-link-module-in-node-red/79906 "2023-07-18T14:35:39Z")

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Hi, I am trying to install Whatsapp Link Module in Node Red. However it is failing to launch in th node red dashboard pallete. Also, throwing an error during installation with log details given below. 2023-07-18T13:5…

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## [Issues with node-red-contrib-modbus](https://discourse.nodered.org/t/issues-with-node-red-contrib-modbus/79318)

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**Author:** [@colin0031](https://discourse.nodered.org/u/colin0031)\
**Replies:** 2\
**Last updated:** [18 July 2023 14:29 UTC](https://discourse.nodered.org/t/issues-with-node-red-contrib-modbus/79318 "2023-07-18T14:29:46Z")

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Hello, I would like to ask if somebody else started facing problems with modbus node. I am using modbus node for controlling relay on moxa IO box, which was working fine for more than a year. Now it happens to see that…

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## [Nan data without raw value](https://discourse.nodered.org/t/nan-data-without-raw-value/79872)

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**Author:** [@GAOJY11](https://discourse.nodered.org/u/GAOJY11)\
**Replies:** 14\
**Last updated:** [18 July 2023 14:07 UTC](https://discourse.nodered.org/t/nan-data-without-raw-value/79872 "2023-07-18T14:07:52Z")

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\[ { "id": "87549861f4edea54", "type": "function", "z": "18dcf239.c8ae63", "name": "function 11", "func": "var previousCount = flow.get('previousCount') || 0;\\nvar currentCount …

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## [Node-red MQTT QOS does not work?](https://discourse.nodered.org/t/node-red-mqtt-qos-does-not-work/79819)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 9\
**Last updated:** [18 July 2023 14:04 UTC](https://discourse.nodered.org/t/node-red-mqtt-qos-does-not-work/79819 "2023-07-18T14:04:49Z")

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I am publishing an MQTT message every minute from Node-red on a Raspberry Pi to Mosquitto on another Pi, both on my LAN. If I disrupt the connection (shutdown the broker Pi), the missed messages are not delivered when i…

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## [Edge to Cloud computing](https://discourse.nodered.org/t/edge-to-cloud-computing/79815)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 9\
**Last updated:** [18 July 2023 10:47 UTC](https://discourse.nodered.org/t/edge-to-cloud-computing/79815 "2023-07-18T10:47:46Z")

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For some time now, I've used my Pi just to collect local sensor data, and forward it by MQTT to a 'free' Oracle cloud server, which does all the heavy lifting, like storing it in a database, visualising it in Grafana etc…

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## [Publish json data through mqtt](https://discourse.nodered.org/t/publish-json-data-through-mqtt/79895)

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**Author:** [@PRABHAKAR82](https://discourse.nodered.org/u/PRABHAKAR82)\
**Replies:** 7\
**Last updated:** [18 July 2023 09:13 UTC](https://discourse.nodered.org/t/publish-json-data-through-mqtt/79895 "2023-07-18T09:13:17Z")

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{ "w": \[ { "tag": "RESET1", "value": 0 } \], "ts": "2017-12-28T12:22:21+0000" } I have to publish this data through mqtt but in this code value is static and I want t…

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## [GitHub Commit via API Flow](https://discourse.nodered.org/t/github-commit-via-api-flow/79899)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 0\
**Last updated:** [18 July 2023 08:21 UTC](https://discourse.nodered.org/t/github-commit-via-api-flow/79899 "2023-07-18T08:21:47Z")

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Hi There! I had an itch that was scratching and that was upload/committing to GitHub without local storage. I didn't find (the five sec search I did) any suitable existing nodes, so I created my own flow (no nodes packa…

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## [Is there a way to check status on node red gpio node?](https://discourse.nodered.org/t/is-there-a-way-to-check-status-on-node-red-gpio-node/79896)

<div class="topic-metadata">

**Author:** [@Athurian](https://discourse.nodered.org/u/Athurian)\
**Replies:** 6\
**Last updated:** [18 July 2023 07:48 UTC](https://discourse.nodered.org/t/is-there-a-way-to-check-status-on-node-red-gpio-node/79896 "2023-07-18T07:48:12Z")

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Is there a way to check status on node red gpio node? I am trying to convert the status code in the red box in the picture attached to the image here into text data. I want to check the status value of the gpio node…

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## [Originate a call in Asterisk](https://discourse.nodered.org/t/originate-a-call-in-asterisk/13037)

<div class="topic-metadata">

**Author:** [@fernandezjm](https://discourse.nodered.org/u/fernandezjm)\
**Replies:** 11\
**Last updated:** [18 July 2023 06:57 UTC](https://discourse.nodered.org/t/originate-a-call-in-asterisk/13037 "2023-07-18T06:57:04Z")

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Hi all, In my application I want to make a call using Asterisk AMI with the node-red-asterisk-ami-manager in my Grandstream PBX. The node status is connected and I receive events from the node, but when I try to send t…

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## [Show a simple text file as a list with dashboard 'template'](https://discourse.nodered.org/t/show-a-simple-text-file-as-a-list-with-dashboard-template/79842)

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**Author:** [@gNeandr](https://discourse.nodered.org/u/gNeandr)\
**Replies:** 9\
**Last updated:** [17 July 2023 17:14 UTC](https://discourse.nodered.org/t/show-a-simple-text-file-as-a-list-with-dashboard-template/79842 "2023-07-17T17:14:17Z")

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A simple task for NR/ui\_template, but the solution is not obvious to me!? A text file is to be read and displayed as a list on a dashboard with ui\_template. The list is stored on a RPI and is read by NR ('read file') a…

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## [Slow dashboard performance across machines](https://discourse.nodered.org/t/slow-dashboard-performance-across-machines/79884)

<div class="topic-metadata">

**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 8\
**Last updated:** [17 July 2023 19:57 UTC](https://discourse.nodered.org/t/slow-dashboard-performance-across-machines/79884 "2023-07-17T19:57:28Z")

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Hey All, I built out my Node Red system 6-8 months ago and have been happily using it ever since. I am doing some graphing but I balanced datapoints to performance months ago. On a recent rainy day I discovered that y…

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## [Tabulator in template node should output updated table on edited cells](https://discourse.nodered.org/t/tabulator-in-template-node-should-output-updated-table-on-edited-cells/79877)

<div class="topic-metadata">

**Author:** [@mehdichbani](https://discourse.nodered.org/u/mehdichbani)\
**Replies:** 0\
**Last updated:** [17 July 2023 10:42 UTC](https://discourse.nodered.org/t/tabulator-in-template-node-should-output-updated-table-on-edited-cells/79877 "2023-07-17T10:42:42Z")

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Hello, I have a ui template node where i am using tabulator to display data, i want to be able to pass data from ui template to another function node, more specifically updated the entire table data updated, after chang…

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## [Open UI template HTML code in a code editor (VS code)](https://discourse.nodered.org/t/open-ui-template-html-code-in-a-code-editor-vs-code/79885)

<div class="topic-metadata">

**Author:** [@mehdichbani](https://discourse.nodered.org/u/mehdichbani)\
**Replies:** 3\
**Last updated:** [17 July 2023 19:29 UTC](https://discourse.nodered.org/t/open-ui-template-html-code-in-a-code-editor-vs-code/79885 "2023-07-17T19:29:34Z")

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Hello, I want to edit my ui template code in vscode. Is this possible?

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## [Looking for Outdoor PIR Sensor to work with esp8266](https://discourse.nodered.org/t/looking-for-outdoor-pir-sensor-to-work-with-esp8266/79887)

<div class="topic-metadata">

**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 7\
**Last updated:** [17 July 2023 19:27 UTC](https://discourse.nodered.org/t/looking-for-outdoor-pir-sensor-to-work-with-esp8266/79887 "2023-07-17T19:27:37Z")

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Hey All, I'm looking for an outdoor PIR sensor something like this one. Outdoor PIR Sensor But this is rated at 12v and the esp8266 requires a 3.3v signal. Where can I find this kind of hardware? Thanks Rich

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## [Virtual sunrise / sunrise effect](https://discourse.nodered.org/t/virtual-sunrise-sunrise-effect/79851)

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**Author:** [@stefan24](https://discourse.nodered.org/u/stefan24)\
**Replies:** 17\
**Last updated:** [17 July 2023 19:25 UTC](https://discourse.nodered.org/t/virtual-sunrise-sunrise-effect/79851 "2023-07-17T19:25:29Z")

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I have four color bulbs (three in a lamp one above the other and another one above this lamp in a star) and want to create a sunrise effect. But looking for "sunrise" only shows threads regarding calculating the sunrise …

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## [Sending UDP message with backslash](https://discourse.nodered.org/t/sending-udp-message-with-backslash/79876)

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**Author:** [@chris3](https://discourse.nodered.org/u/chris3)\
**Replies:** 6\
**Last updated:** [17 July 2023 18:22 UTC](https://discourse.nodered.org/t/sending-udp-message-with-backslash/79876 "2023-07-17T18:22:57Z")

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Hello, I'm trying to send the following UDP message in Node-Red: \\apple But the UDP message being received by the server is: \\\\apple I've been pulling my hair out for a couple of hours trying to come up with a fix a…

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## [Error by installing MSSQL-Plus (Error: package: '@azure/msal-node@1.18.0)](https://discourse.nodered.org/t/error-by-installing-mssql-plus-error-package-azure-msal-node-1-18-0/79878)

<div class="topic-metadata">

**Author:** [@kappo73](https://discourse.nodered.org/u/kappo73)\
**Replies:** 6\
**Last updated:** [17 July 2023 14:02 UTC](https://discourse.nodered.org/t/error-by-installing-mssql-plus-error-package-azure-msal-node-1-18-0/79878 "2023-07-17T14:02:08Z")

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Hi During trying to change my MSSQL packages from "node-red-contrib-mssql" to node-red-contrib-mssql-plus there always appear errors like below: xxxxx@xxxmqtt:~/.node-red$ npm install node-red-contrib-mssql-plus …

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## [Cannot change Date from String into DateTime format](https://discourse.nodered.org/t/cannot-change-date-from-string-into-datetime-format/79869)

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**Author:** [@grant1](https://discourse.nodered.org/u/grant1)\
**Replies:** 7\
**Last updated:** [17 July 2023 12:53 UTC](https://discourse.nodered.org/t/cannot-change-date-from-string-into-datetime-format/79869 "2023-07-17T12:53:53Z")

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Hello. I am querying an API (eia.gov) to get hourly electricity usage for certain entities (called "respondents") in the US. I got the HTTP request working fine, and a typical output is an array with 6 objects like thi…

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## [Using Node-RED to grab data from Webpage (advice required)](https://discourse.nodered.org/t/using-node-red-to-grab-data-from-webpage-advice-required/79759)

<div class="topic-metadata">

**Author:** [@gettmad](https://discourse.nodered.org/u/gettmad)\
**Replies:** 11\
**Last updated:** [17 July 2023 11:30 UTC](https://discourse.nodered.org/t/using-node-red-to-grab-data-from-webpage-advice-required/79759 "2023-07-17T11:30:42Z")

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I am looking to use Node-RED in conjunction with MQTT Explorer in order to parse through a webpage, grab the relevant information, and publish it to MQTT Explorer accordingly. Being relatively new to Node-RED and an ama…

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## [Node-red container has disappeared from Docker, why & how do I retrieve it?](https://discourse.nodered.org/t/node-red-container-has-disappeared-from-docker-why-how-do-i-retrieve-it/79841)

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**Author:** [@DublinBayPrawn](https://discourse.nodered.org/u/DublinBayPrawn)\
**Replies:** 7\
**Last updated:** [17 July 2023 10:47 UTC](https://discourse.nodered.org/t/node-red-container-has-disappeared-from-docker-why-how-do-i-retrieve-it/79841 "2023-07-17T10:47:52Z")

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Not sure if this is the appropriate forum or category, but here goes: I have a Synology NAS running Docker. It was set up with containers: Mosquitto MQTT Node-red InfluxDB Grafana Home-Assistant Portainer Watcht…

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## [Using openai (ChatGPT) to write functions and flows](https://discourse.nodered.org/t/using-openai-chatgpt-to-write-functions-and-flows/79858)

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**Author:** [@TalokiN](https://discourse.nodered.org/u/TalokiN)\
**Replies:** 4\
**Last updated:** [17 July 2023 08:53 UTC](https://discourse.nodered.org/t/using-openai-chatgpt-to-write-functions-and-flows/79858 "2023-07-17T08:53:42Z")

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I have not really been active, other than reading, on the forums before, but I had to share that I have been having great success with using openai (https://chat.openai.com/) to build/fix function nodes and I'm about to …

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## [Setup a CSV data file with parameters using the data from OPC UA link](https://discourse.nodered.org/t/setup-a-csv-data-file-with-parameters-using-the-data-from-opc-ua-link/79478)

<div class="topic-metadata">

**Author:** [@GAOJY11](https://discourse.nodered.org/u/GAOJY11)\
**Replies:** 4\
**Last updated:** [17 July 2023 08:35 UTC](https://discourse.nodered.org/t/setup-a-csv-data-file-with-parameters-using-the-data-from-opc-ua-link/79478 "2023-07-17T08:35:17Z")

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How to use node-red to read real time data from Siemens IOT2050 and store it in the CSV file with time stamp, is there any function code being suggested?

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## [Node-RED Function for MQTT --\> Influxdb](https://discourse.nodered.org/t/node-red-function-for-mqtt-influxdb/79191)

<div class="topic-metadata">

**Author:** [@Xienter](https://discourse.nodered.org/u/Xienter)\
**Replies:** 4\
**Last updated:** [17 July 2023 07:35 UTC](https://discourse.nodered.org/t/node-red-function-for-mqtt-influxdb/79191 "2023-07-17T07:35:12Z")

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Hi all, I have setup my MQTT and Influxdb connection already and it is working quite good for a while now. Now i want to add some let's call it "advanced functionallity". So a little backround information: I have multi…

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## [Help - Docker - Can't connect to MQTT](https://discourse.nodered.org/t/help-docker-cant-connect-to-mqtt/79489)

<div class="topic-metadata">

**Author:** [@spyder0552](https://discourse.nodered.org/u/spyder0552)\
**Replies:** 3\
**Last updated:** [17 July 2023 00:49 UTC](https://discourse.nodered.org/t/help-docker-cant-connect-to-mqtt/79489 "2023-07-17T00:49:08Z")

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New to Docker and need some help. I have a PUBLIC mqtt server that I know works as I have numerous devices connected to it. I just created a docker container following the setup instructions in this fourm/site. I add …

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