# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=454

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

**Page:** 455

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## [Node-red-node-pi-gpiod in docker on raspberry pi 4 returns TypeError: next is not a function](https://discourse.nodered.org/t/node-red-node-pi-gpiod-in-docker-on-raspberry-pi-4-returns-typeerror-next-is-not-a-function/71105)

<div class="topic-metadata">

**Author:** [@nickklein95](https://discourse.nodered.org/u/nickklein95)\
**Replies:** 2\
**Last updated:** [23 November 2022 14:01 UTC](https://discourse.nodered.org/t/node-red-node-pi-gpiod-in-docker-on-raspberry-pi-4-returns-typeerror-next-is-not-a-function/71105 "2022-11-23T14:01:56Z")

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I'm having an issue with using pigpiod on my host pi, with nodered running in a docker container. the pigpiod nodes error out when triggered with TypeError: next is not a function, below i pasted my bugreport which i als…

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## [ContextStorage: saving to USB SSD](https://discourse.nodered.org/t/contextstorage-saving-to-usb-ssd/71078)

<div class="topic-metadata">

**Author:** [@Switchblade2](https://discourse.nodered.org/u/Switchblade2)\
**Replies:** 10\
**Last updated:** [23 November 2022 13:28 UTC](https://discourse.nodered.org/t/contextstorage-saving-to-usb-ssd/71078 "2022-11-23T13:28:54Z")

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Running Node Red on a Raspberry Pi 4 with a USB SDD for file storage. I'm trying to set up ContextStorage to save variable to a USB SDD to avoid frequent writing to the SD card. I've got it to work, variable are saved t…

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## [Node red too slow on raspberry pi 3b+](https://discourse.nodered.org/t/node-red-too-slow-on-raspberry-pi-3b/71095)

<div class="topic-metadata">

**Author:** [@Cimbaraxe](https://discourse.nodered.org/u/Cimbaraxe)\
**Replies:** 4\
**Last updated:** [23 November 2022 12:16 UTC](https://discourse.nodered.org/t/node-red-too-slow-on-raspberry-pi-3b/71095 "2022-11-23T12:16:13Z")

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When trying to access nodes or palettes on node-red, it takes a long time, even when trying to configure nodes with codes. And i'm not sure where the problem is? If there is someone with a better understanding, please he…

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## [Msg.atachments with msg.payload input](https://discourse.nodered.org/t/msg-atachments-with-msg-payload-input/70817)

<div class="topic-metadata">

**Author:** [@josechu](https://discourse.nodered.org/u/josechu)\
**Replies:** 9\
**Last updated:** [23 November 2022 12:14 UTC](https://discourse.nodered.org/t/msg-atachments-with-msg-payload-input/70817 "2022-11-23T12:14:58Z")

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Hi, I've been reading some threads in the forum but I cannot find a way to use msg/payload values inside attachments filename and content... I'm using as reference some threads from forum, and nodemailer info. I'm tryin…

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## [How to reduce the Access Token's Expiration Time from Admin Auth API?](https://discourse.nodered.org/t/how-to-reduce-the-access-tokens-expiration-time-from-admin-auth-api/71103)

<div class="topic-metadata">

**Author:** [@Shan](https://discourse.nodered.org/u/Shan)\
**Replies:** 0\
**Last updated:** [23 November 2022 11:39 UTC](https://discourse.nodered.org/t/how-to-reduce-the-access-tokens-expiration-time-from-admin-auth-api/71103 "2022-11-23T11:39:15Z")

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Based on the HTTP POST /auth/token : Node-RED documentation a token is generated with the Expiration Duration of 604800, but I wish to reduce it down to 3600 seconds but I do not see any parameter that can be configured …

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## [Getting the pixels matrix from mlx90640](https://discourse.nodered.org/t/getting-the-pixels-matrix-from-mlx90640/71104)

<div class="topic-metadata">

**Author:** [@mhdbrazi](https://discourse.nodered.org/u/mhdbrazi)\
**Replies:** 0\
**Last updated:** [23 November 2022 11:45 UTC](https://discourse.nodered.org/t/getting-the-pixels-matrix-from-mlx90640/71104 "2022-11-23T11:45:33Z")

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Hello, I have bought an infrared imaging module(mlx90640), I want to get the pixels matrix from it. It sends the data through a USB port. A lot of web links and libraries are dealing with mlx90460 module but most of the…

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## [Nodes connectors creation order influencing Typing: Bug?](https://discourse.nodered.org/t/nodes-connectors-creation-order-influencing-typing-bug/6496)

<div class="topic-metadata">

**Author:** [@dnk](https://discourse.nodered.org/u/dnk)\
**Replies:** 3\
**Last updated:** [10 January 2019 11:10 UTC](https://discourse.nodered.org/t/nodes-connectors-creation-order-influencing-typing-bug/6496 "2019-01-10T11:10:36Z")

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Hi there, I know the order of creation of connectors impact the order of execution of the connected nodes. Until now, I assumed it was the only impact on execution of the order of creation of the connectors. But now, I…

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## [How to combine two objects data with one same variable value](https://discourse.nodered.org/t/how-to-combine-two-objects-data-with-one-same-variable-value/71070)

<div class="topic-metadata">

**Author:** [@XXXperience777](https://discourse.nodered.org/u/XXXperience777)\
**Replies:** 15\
**Last updated:** [23 November 2022 10:31 UTC](https://discourse.nodered.org/t/how-to-combine-two-objects-data-with-one-same-variable-value/71070 "2022-11-23T10:31:50Z")

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Hi, I'm new to both nodered and javascript. I have two data objects retrieved from two sources. For example, msg.payload1 describe the location of the place and msg.payload2 describes the temperature around the place. I…

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## [Manage palette not found](https://discourse.nodered.org/t/manage-palette-not-found/71039)

<div class="topic-metadata">

**Author:** [@Cimbaraxe](https://discourse.nodered.org/u/Cimbaraxe)\
**Replies:** 6\
**Last updated:** [23 November 2022 10:19 UTC](https://discourse.nodered.org/t/manage-palette-not-found/71039 "2022-11-23T10:19:19Z")

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I'm running my node-RED but it does not show manage palette and some other components anyone who knows how to resolve this please help.

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## [Convert msg.payload array to a String](https://discourse.nodered.org/t/convert-msg-payload-array-to-a-string/71098)

<div class="topic-metadata">

**Author:** [@Vedant](https://discourse.nodered.org/u/Vedant)\
**Replies:** 3\
**Last updated:** [23 November 2022 09:41 UTC](https://discourse.nodered.org/t/convert-msg-payload-array-to-a-string/71098 "2022-11-23T09:41:35Z")

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Hello everyone! I am trying to convert the msg.payload which is an arry to a normal string. I am looking for suggestions on how to do it? Any help is appreciated! Thanks in advance.

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## [How to display the infomation in table format in worldmap popup](https://discourse.nodered.org/t/how-to-display-the-infomation-in-table-format-in-worldmap-popup/71092)

<div class="topic-metadata">

**Author:** [@XXXperience777](https://discourse.nodered.org/u/XXXperience777)\
**Replies:** 1\
**Last updated:** [23 November 2022 08:59 UTC](https://discourse.nodered.org/t/how-to-display-the-infomation-in-table-format-in-worldmap-popup/71092 "2022-11-23T08:59:39Z")

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Hi, I'm using nodered worldmap, and I marked my data on the map. When clicking the point, a popup will show the payload information. just like this pic: I want the information shown in the table format in the popup.…

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## [KNX protocol testing with node-red](https://discourse.nodered.org/t/knx-protocol-testing-with-node-red/15853)

<div class="topic-metadata">

**Author:** [@Iliyas](https://discourse.nodered.org/u/Iliyas)\
**Replies:** 1\
**Last updated:** [23 November 2022 07:56 UTC](https://discourse.nodered.org/t/knx-protocol-testing-with-node-red/15853 "2022-11-23T07:56:55Z")

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Hello again, I'm working on KNX protocol right now, so I have installed KNX (node-red-contrib-knx) plugins for processing the functions of it, but i don't have a physical device so any suggestion for testing the KNX pro…

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## [Timestamp to Date, add time and show future date](https://discourse.nodered.org/t/timestamp-to-date-add-time-and-show-future-date/70402)

<div class="topic-metadata">

**Author:** [@mzsolnay](https://discourse.nodered.org/u/mzsolnay)\
**Replies:** 22\
**Last updated:** [23 November 2022 06:58 UTC](https://discourse.nodered.org/t/timestamp-to-date-add-time-and-show-future-date/70402 "2022-11-23T06:58:55Z")

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Hi ! I am working on a node, that should give me a future date, based on todays date and a numerical value. I want to forecast the future date of a maintenance based on total work hours and dayly work hours. Example: …

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## [Filter errors in sidebar](https://discourse.nodered.org/t/filter-errors-in-sidebar/71044)

<div class="topic-metadata">

**Author:** [@digidax](https://discourse.nodered.org/u/digidax)\
**Replies:** 6\
**Last updated:** [23 November 2022 05:05 UTC](https://discourse.nodered.org/t/filter-errors-in-sidebar/71044 "2022-11-23T05:05:53Z")

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Hi, I'm using the node-red-contrib-s7 node to read from S7 PLC. Working fine. But some PLCs are not in use 24/7. This produces the error: Error: connect EHOSTUNREACH When working on a flow, often it overfills the debu…

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## [Sending Commands via TCP into OMRON Smart Camera FQ2](https://discourse.nodered.org/t/sending-commands-via-tcp-into-omron-smart-camera-fq2/70476)

<div class="topic-metadata">

**Author:** [@giller\_m](https://discourse.nodered.org/u/giller_m)\
**Replies:** 2\
**Last updated:** [23 November 2022 04:59 UTC](https://discourse.nodered.org/t/sending-commands-via-tcp-into-omron-smart-camera-fq2/70476 "2022-11-23T04:59:14Z")

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Does anyone tried communicating with Omron FQ2 via TCP sending trigger commands and reading the actual data from OCR / Code read? Can you share the nodes. Thanks!

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## [Need Simple Display-only Dashboard - Is RPi Zero W enough?](https://discourse.nodered.org/t/need-simple-display-only-dashboard-is-rpi-zero-w-enough/71024)

<div class="topic-metadata">

**Author:** [@Stomachbuzz](https://discourse.nodered.org/u/Stomachbuzz)\
**Replies:** 7\
**Last updated:** [23 November 2022 04:28 UTC](https://discourse.nodered.org/t/need-simple-display-only-dashboard-is-rpi-zero-w-enough/71024 "2022-11-23T04:28:08Z")

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I am working on a project to display temperature, humidity, and some other values to a read-only display. I will be using the Modbus/TCP library to poll a Modbus device periodically (no more than once per minute) and upd…

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## [Script effects (fading, breathing, rainbow etc.) RGB strip GPIO Raspberry](https://discourse.nodered.org/t/script-effects-fading-breathing-rainbow-etc-rgb-strip-gpio-raspberry/69962)

<div class="topic-metadata">

**Author:** [@aquapark\_lodz](https://discourse.nodered.org/u/aquapark_lodz)\
**Replies:** 10\
**Last updated:** [23 November 2022 02:47 UTC](https://discourse.nodered.org/t/script-effects-fading-breathing-rainbow-etc-rgb-strip-gpio-raspberry/69962 "2022-11-23T02:47:14Z")

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Hi, I was looking for some scripts or nodes to steering the non programmable RGB strip lights by using 3 GPIO Raspberry pins 17, 27, 23. I have searched some python codes with transitions effects but how about the node-…

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## [Weird behavior using buttons](https://discourse.nodered.org/t/weird-behavior-using-buttons/70995)

<div class="topic-metadata">

**Author:** [@walberjunior](https://discourse.nodered.org/u/walberjunior)\
**Replies:** 15\
**Last updated:** [22 November 2022 23:37 UTC](https://discourse.nodered.org/t/weird-behavior-using-buttons/70995 "2022-11-22T23:37:15Z")

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I'm testing some functions and using the inject option works as expected, but I need to use buttons and the behavior is strange. When using buttons the messages are repeated and the result of the function is wrong and t…

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## [Problem after serializing data](https://discourse.nodered.org/t/problem-after-serializing-data/71051)

<div class="topic-metadata">

**Author:** [@alfschuster](https://discourse.nodered.org/u/alfschuster)\
**Replies:** 5\
**Last updated:** [22 November 2022 19:05 UTC](https://discourse.nodered.org/t/problem-after-serializing-data/71051 "2022-11-22T19:05:03Z")

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High, I have a problem with MQTT JSON data send to a Node-red frontend ... After some time (usually about 10 to 15 minutes) and although my sensors produce valid data(!) - in the serialized JSON Data some values change…

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## [\[ANNOUNCE\] node-red-contrib-zwave-js V8 Baby!](https://discourse.nodered.org/t/announce-node-red-contrib-zwave-js-v8-baby/68151)

<div class="topic-metadata">

**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 36\
**Last updated:** [22 November 2022 18:46 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-zwave-js-v8-baby/68151 "2022-11-22T18:46:56Z")

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Here it is...... V8 of node-red-contrib-zwave-js After 3+ Months 120 Commits 14 changed files Various UI design discussions i present the below change log Breaking Dropped support for Node 12 (min required is now …

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## [Setting msg array converts content/int to string](https://discourse.nodered.org/t/setting-msg-array-converts-content-int-to-string/70792)

<div class="topic-metadata">

**Author:** [@Rgrove](https://discourse.nodered.org/u/Rgrove)\
**Replies:** 3\
**Last updated:** [22 November 2022 18:45 UTC](https://discourse.nodered.org/t/setting-msg-array-converts-content-int-to-string/70792 "2022-11-22T18:45:35Z")

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I'm trying to send an SNMP set command to a PDU (Power Distribution Unit), but the SNMP set node is rejecting because my varbind is not numbers. The UI has a selection box where the user can pick the outlet they want to…

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## [Arduino node will not install?](https://discourse.nodered.org/t/arduino-node-will-not-install/70877)

<div class="topic-metadata">

**Author:** [@Eskolin](https://discourse.nodered.org/u/Eskolin)\
**Replies:** 21\
**Last updated:** [22 November 2022 16:49 UTC](https://discourse.nodered.org/t/arduino-node-will-not-install/70877 "2022-11-22T16:49:49Z")

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Hi ... I am trying to install "Arduino -node-red-node-arduino" A Node-RED node to talk to an Arduino running firmata it is on a new PC whit Win-10 C:\\Users\\Node-Red\>node -v v18.12.1 C:\\Users\\Node-Red\>npm -v 9.1.2 …

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## [Communication with Rockwell PLC - messages received 3 times?](https://discourse.nodered.org/t/communication-with-rockwell-plc-messages-received-3-times/71063)

<div class="topic-metadata">

**Author:** [@matzkon86](https://discourse.nodered.org/u/matzkon86)\
**Replies:** 7\
**Last updated:** [22 November 2022 16:30 UTC](https://discourse.nodered.org/t/communication-with-rockwell-plc-messages-received-3-times/71063 "2022-11-22T16:30:01Z")

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Hello, I am reading some tags from Allen Bradley PLC. However, I have noticed on debug 1 that I receive the messages with the values 3 times instead of 1 time that I want. Is there any particular reason that this is hap…

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## [PolarArea Chart Customization](https://discourse.nodered.org/t/polararea-chart-customization/71016)

<div class="topic-metadata">

**Author:** [@dpatel2016](https://discourse.nodered.org/u/dpatel2016)\
**Replies:** 5\
**Last updated:** [22 November 2022 16:27 UTC](https://discourse.nodered.org/t/polararea-chart-customization/71016 "2022-11-22T16:27:41Z")

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I am trying the following customization for the PolarArea chart and only the legend part works. Can anyone review the following and tell me why it doesn't work? msg.ui\_control = { type: 'polarArea', options: { …

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## [ There is a problem installing the plugin node-red-contrib-loxone](https://discourse.nodered.org/t/there-is-a-problem-installing-the-plugin-node-red-contrib-loxone/69495)

<div class="topic-metadata">

**Author:** [@GlebDyak](https://discourse.nodered.org/u/GlebDyak)\
**Replies:** 7\
**Last updated:** [22 November 2022 10:52 UTC](https://discourse.nodered.org/t/there-is-a-problem-installing-the-plugin-node-red-contrib-loxone/69495 "2022-11-22T10:52:59Z")

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Hey there! I'm trying to install a plugin node-red-contrib-loxone, but the following error occurs during installation: Please tell me what is the problem and how to solve it.

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## ["USE statement is not supported" when inserting into Azure SQL PaaS](https://discourse.nodered.org/t/use-statement-is-not-supported-when-inserting-into-azure-sql-paas/71036)

<div class="topic-metadata">

**Author:** [@demokedes](https://discourse.nodered.org/u/demokedes)\
**Replies:** 1\
**Last updated:** [22 November 2022 10:52 UTC](https://discourse.nodered.org/t/use-statement-is-not-supported-when-inserting-into-azure-sql-paas/71036 "2022-11-22T10:52:00Z")

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Dear all, I am using the recent version of node-red-contrib-mssql-plus node. I am inserting some data into the SQL Managed database on Azure (I am not having SQL DB server but PaaS version of Database). Majority of ins…

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## [Http request access problem](https://discourse.nodered.org/t/http-request-access-problem/70928)

<div class="topic-metadata">

**Author:** [@pierpaolo1972](https://discourse.nodered.org/u/pierpaolo1972)\
**Replies:** 3\
**Last updated:** [22 November 2022 10:23 UTC](https://discourse.nodered.org/t/http-request-access-problem/70928 "2022-11-22T10:23:16Z")

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hello, I'm using an "http request" node to read the values ​​of my inverter from a web page. Everything worked until a few days ago. Now it gives me an authorization error. The address from which I read the values, norma…

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## [Dashboards and the GUI side of things on multiple machines](https://discourse.nodered.org/t/dashboards-and-the-gui-side-of-things-on-multiple-machines/71019)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 14\
**Last updated:** [22 November 2022 07:45 UTC](https://discourse.nodered.org/t/dashboards-and-the-gui-side-of-things-on-multiple-machines/71019 "2022-11-22T07:45:11Z")

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This threw me a bit. Scenario: RasPi with touch screen. Being used for network diagnostics. It has a flashing display of things happening. I want to modify it so I use my NUC to load the GUI page and edit the Dashb…

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## [My Raspberry Pis aren't connecting via Node Red with MQTT](https://discourse.nodered.org/t/my-raspberry-pis-arent-connecting-via-node-red-with-mqtt/70953)

<div class="topic-metadata">

**Author:** [@Ceowens](https://discourse.nodered.org/u/Ceowens)\
**Replies:** 19\
**Last updated:** [22 November 2022 06:32 UTC](https://discourse.nodered.org/t/my-raspberry-pis-arent-connecting-via-node-red-with-mqtt/70953 "2022-11-22T06:32:33Z")

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I'm not understanding what I'm doing wrong. I have one Raspberry Pi as my broker. My other Raspberry Pi isn't receiving anything on its side. What I did first was test the connection on the localhost on one Pi and that …

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## [EXEC Node has problems with folder name with "+"](https://discourse.nodered.org/t/exec-node-has-problems-with-folder-name-with/70937)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 11\
**Last updated:** [21 November 2022 21:00 UTC](https://discourse.nodered.org/t/exec-node-has-problems-with-folder-name-with/70937 "2022-11-21T21:00:59Z")

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I was using the EXEC node recently and I have Node-RED installed in Windows 10. I had "File not found" error when trying to run "COPY". I could rename the file using "RENAME", but then I had to create the original file…

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