# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=483

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

**Page:** 484

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## [Read data of a Sonoff SNZB-02 with a Sonoff Zigbee USB Dongle Plus](https://discourse.nodered.org/t/read-data-of-a-sonoff-snzb-02-with-a-sonoff-zigbee-usb-dongle-plus/68844)

<div class="topic-metadata">

**Author:** [@holger22](https://discourse.nodered.org/u/holger22)\
**Replies:** 3\
**Last updated:** [13 October 2022 05:59 UTC](https://discourse.nodered.org/t/read-data-of-a-sonoff-snzb-02-with-a-sonoff-zigbee-usb-dongle-plus/68844 "2022-10-13T05:59:54Z")

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Hello, I need some help. I would like to read and evaluate the data of a Sonoff SNZB-02 with a Sonoff Zigbee USB Dongle Plus. Node-red-contrib-zigbee is installed and the devices have been detected. I created a very …

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## [Splitting a Serial string in to individual packets](https://discourse.nodered.org/t/splitting-a-serial-string-in-to-individual-packets/68890)

<div class="topic-metadata">

**Author:** [@DAWaller79](https://discourse.nodered.org/u/DAWaller79)\
**Replies:** 18\
**Last updated:** [13 October 2022 02:27 UTC](https://discourse.nodered.org/t/splitting-a-serial-string-in-to-individual-packets/68890 "2022-10-13T02:27:54Z")

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Good evening Hoping someone can point me in the right direction, I need to remove individual packets (so i can further extract the info i need) from a long serial string of several packets, that also seem to change orde…

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## [OpenWeatherMap problem](https://discourse.nodered.org/t/openweathermap-problem/68941)

<div class="topic-metadata">

**Author:** [@TadyTheFish](https://discourse.nodered.org/u/TadyTheFish)\
**Replies:** 3\
**Last updated:** [12 October 2022 21:58 UTC](https://discourse.nodered.org/t/openweathermap-problem/68941 "2022-10-12T21:58:13Z")

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Hello I'm trying to use the openweathemap node. I registered on the site and I have the API key But when I deploy there is an error and the API key disappears. When I go to manage palette and navigate to installed node…

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## [Increment slowly until certain point](https://discourse.nodered.org/t/increment-slowly-until-certain-point/68938)

<div class="topic-metadata">

**Author:** [@ujjwalkuikel](https://discourse.nodered.org/u/ujjwalkuikel)\
**Replies:** 2\
**Last updated:** [12 October 2022 16:14 UTC](https://discourse.nodered.org/t/increment-slowly-until-certain-point/68938 "2022-10-12T16:14:17Z")

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Hi, Sorry for asking a silly question. But I am a super beginner at node-red and trying my best to learn something. I want to have a function that slowly increases the value to 100 (I want that value to pass to IOT devi…

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## [Import Template in another Template](https://discourse.nodered.org/t/import-template-in-another-template/68929)

<div class="topic-metadata">

**Author:** [@NIFO43](https://discourse.nodered.org/u/NIFO43)\
**Replies:** 1\
**Last updated:** [12 October 2022 15:31 UTC](https://discourse.nodered.org/t/import-template-in-another-template/68929 "2022-10-12T15:31:43Z")

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Hey, is it possible to include an template in another template.

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## [Push button to steering a few GPIO in sequence](https://discourse.nodered.org/t/push-button-to-steering-a-few-gpio-in-sequence/68932)

<div class="topic-metadata">

**Author:** [@aquapark\_lodz](https://discourse.nodered.org/u/aquapark_lodz)\
**Replies:** 4\
**Last updated:** [12 October 2022 15:11 UTC](https://discourse.nodered.org/t/push-button-to-steering-a-few-gpio-in-sequence/68932 "2022-10-12T15:11:57Z")

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Hi, I would like to know is it possible to steer a few GPIO in a sequence by push button. I made that but if I push the same button when the sequence is running I can again start the sequence. I want to achieve that to p…

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## [Header Filter UI Table for payload that keeps updating every second](https://discourse.nodered.org/t/header-filter-ui-table-for-payload-that-keeps-updating-every-second/68747)

<div class="topic-metadata">

**Author:** [@Kimo](https://discourse.nodered.org/u/Kimo)\
**Replies:** 15\
**Last updated:** [12 October 2022 14:44 UTC](https://discourse.nodered.org/t/header-filter-ui-table-for-payload-that-keeps-updating-every-second/68747 "2022-10-12T14:44:46Z")

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Hi all, Currently I have a UI Table with headerFilter feature to filter out rows. Yes it is working for data that static. However, if I have to udpate my ui table every second to display a counting time (note: data is s…

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## [Select multiple config nodes](https://discourse.nodered.org/t/select-multiple-config-nodes/68930)

<div class="topic-metadata">

**Author:** [@SkyMound](https://discourse.nodered.org/u/SkyMound)\
**Replies:** 4\
**Last updated:** [12 October 2022 14:13 UTC](https://discourse.nodered.org/t/select-multiple-config-nodes/68930 "2022-10-12T14:13:06Z")

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Hello, i would like to know if there is a way to select multiple config nodes. Something like the attribute multiple in a \<select\> tag.

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## [How to get an event when leaving the tab?](https://discourse.nodered.org/t/how-to-get-an-event-when-leaving-the-tab/68834)

<div class="topic-metadata">

**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\
**Replies:** 4\
**Last updated:** [12 October 2022 12:47 UTC](https://discourse.nodered.org/t/how-to-get-an-event-when-leaving-the-tab/68834 "2022-10-12T12:47:29Z")

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I ve some ffmpeg instances running on the "webcams tab" which I want to kill on leaving. But I ve no idea how to get an event triggered for this task when leaving the webcams tab.

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## [Show a room temperature once first of each month at 00:01](https://discourse.nodered.org/t/show-a-room-temperature-once-first-of-each-month-at-00-01/68762)

<div class="topic-metadata">

**Author:** [@Nilpferd](https://discourse.nodered.org/u/Nilpferd)\
**Replies:** 7\
**Last updated:** [12 October 2022 11:03 UTC](https://discourse.nodered.org/t/show-a-room-temperature-once-first-of-each-month-at-00-01/68762 "2022-10-12T11:03:36Z")

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For reason of documentation I have to show a room temperature (rcvd from KNX) at least each first day of the month at 00:01 in the dashboard until the next value will be received next month. Inject does not work because…

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## [Siemens reading from PLC with nodeS7 npm](https://discourse.nodered.org/t/siemens-reading-from-plc-with-nodes7-npm/68926)

<div class="topic-metadata">

**Author:** [@KarolisL](https://discourse.nodered.org/u/KarolisL)\
**Replies:** 0\
**Last updated:** [12 October 2022 10:40 UTC](https://discourse.nodered.org/t/siemens-reading-from-plc-with-nodes7-npm/68926 "2022-10-12T10:40:02Z")

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Hello, I needed dynamic addressing of Siemens PLC, so standard NR nodes are not a case. I've imported GitHub - plcpeople/nodeS7: Node.JS library for communication to Siemens S7 PLCs as external module. Here is the simp…

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## [Unable to install @tensorflow/tfjs-node](https://discourse.nodered.org/t/unable-to-install-tensorflow-tfjs-node/68120)

<div class="topic-metadata">

**Author:** [@Creamsoda](https://discourse.nodered.org/u/Creamsoda)\
**Replies:** 4\
**Last updated:** [12 October 2022 07:48 UTC](https://discourse.nodered.org/t/unable-to-install-tensorflow-tfjs-node/68120 "2022-10-12T07:48:49Z")

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Hi, I am a beginner to node-red. I have been trying to install the @tensorflow/tfjs-node to node-red. In Winodws cmd and node-red on IBM cloud. Here is the cmd result: C:\\\<\<path\>\>\\.node-red\>npm install @tensorflow/tfjs…

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## [Converting msg.payload array into an object to access its value](https://discourse.nodered.org/t/converting-msg-payload-array-into-an-object-to-access-its-value/68905)

<div class="topic-metadata">

**Author:** [@Vedant](https://discourse.nodered.org/u/Vedant)\
**Replies:** 3\
**Last updated:** [12 October 2022 07:42 UTC](https://discourse.nodered.org/t/converting-msg-payload-array-into-an-object-to-access-its-value/68905 "2022-10-12T07:42:36Z")

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Hello everyone! Greetings of the day! I am currently stuck on a pronlem and need your expert opinion regarding the same. I want to convert a msg.payload which is an array into an object as I want to access a value from…

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## [Node-red-node-pi-mcp3008 displays "inactive" in flow](https://discourse.nodered.org/t/node-red-node-pi-mcp3008-displays-inactive-in-flow/68908)

<div class="topic-metadata">

**Author:** [@leeg77](https://discourse.nodered.org/u/leeg77)\
**Replies:** 0\
**Last updated:** [12 October 2022 06:59 UTC](https://discourse.nodered.org/t/node-red-node-pi-mcp3008-displays-inactive-in-flow/68908 "2022-10-12T06:59:35Z")

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I have added a node node-red-node-pi-mcp3008 to my palette but when I try to use it I get the node-inactive under the node. Any ideas? I have turned on the SPI bus via raspi-config

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## [Read data from SPI bus RasPi](https://discourse.nodered.org/t/read-data-from-spi-bus-raspi/68802)

<div class="topic-metadata">

**Author:** [@leeg77](https://discourse.nodered.org/u/leeg77)\
**Replies:** 1\
**Last updated:** [12 October 2022 06:51 UTC](https://discourse.nodered.org/t/read-data-from-spi-bus-raspi/68802 "2022-10-12T06:51:35Z")

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Hello, I have a MIKROE-2523 AC Current Click connected to a current clamp that I want to read on the Raspberry Pi SPI bus. Does anyone know how I can achieve this? Here is a link to the current click webpage: https://…

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## [Serial permission denied /dev/ttyUSB0](https://discourse.nodered.org/t/serial-permission-denied-dev-ttyusb0/68889)

<div class="topic-metadata">

**Author:** [@sudomac](https://discourse.nodered.org/u/sudomac)\
**Replies:** 5\
**Last updated:** [12 October 2022 06:48 UTC](https://discourse.nodered.org/t/serial-permission-denied-dev-ttyusb0/68889 "2022-10-12T06:48:41Z")

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node-red-node-serialport error "\[serialconfig:e2b92f3a20e71366\] serial port /dev/ttyUSB0 error: Error: Error: Permission denied, cannot open /dev/ttyUSB0" I am using Ubuntu. I looked through previous threads about this…

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## [Inject node activated each time system boots](https://discourse.nodered.org/t/inject-node-activated-each-time-system-boots/68892)

<div class="topic-metadata">

**Author:** [@Lostcat67](https://discourse.nodered.org/u/Lostcat67)\
**Replies:** 1\
**Last updated:** [12 October 2022 02:32 UTC](https://discourse.nodered.org/t/inject-node-activated-each-time-system-boots/68892 "2022-10-12T02:32:59Z")

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How can I make a inject node to "inject" something each time the system is booted up?

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## [Palette Manager, hyper-link node name](https://discourse.nodered.org/t/palette-manager-hyper-link-node-name/68893)

<div class="topic-metadata">

**Author:** [@greenembrace](https://discourse.nodered.org/u/greenembrace)\
**Replies:** 0\
**Last updated:** [12 October 2022 01:18 UTC](https://discourse.nodered.org/t/palette-manager-hyper-link-node-name/68893 "2022-10-12T01:18:03Z")

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It would be handy well for me anyway (slow brain), in the "Manage palette" / Palette sidebar to hyper-link the node name back to the nodes flow page. Use case: when updates to nodes are available, it would be handy to q…

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## ["node-red-contrib-play-sound" fails in node-red on miniPC started from systemd service](https://discourse.nodered.org/t/node-red-contrib-play-sound-fails-in-node-red-on-minipc-started-from-systemd-service/68624)

<div class="topic-metadata">

**Author:** [@fip](https://discourse.nodered.org/u/fip)\
**Replies:** 20\
**Last updated:** [12 October 2022 00:49 UTC](https://discourse.nodered.org/t/node-red-contrib-play-sound-fails-in-node-red-on-minipc-started-from-systemd-service/68624 "2022-10-12T00:49:39Z")

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hi @zenofmud , This is cool isn't it. I my self built also something like this. I was using a miniPC. I used mplayer to play mp3 files from nodered ui. But I have still an unsolved problem regarding the setup. I have v…

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## [Less than does not work but greater than works. Any assistance will be appreciated](https://discourse.nodered.org/t/less-than-does-not-work-but-greater-than-works-any-assistance-will-be-appreciated/68731)

<div class="topic-metadata">

**Author:** [@Andries](https://discourse.nodered.org/u/Andries)\
**Replies:** 8\
**Last updated:** [11 October 2022 20:24 UTC](https://discourse.nodered.org/t/less-than-does-not-work-but-greater-than-works-any-assistance-will-be-appreciated/68731 "2022-10-11T20:24:22Z")

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\[ { "id": "e23c99f9e5c74834", "type": "function", "z": "c3e2344d2de8acfd", "name": "if Fan Machine", "func": "node.status({fill:\\"blue\\",shape:\\"dot\\",text:msg.payload});\\n\\n …

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## [Need an if operation, don't know how to do](https://discourse.nodered.org/t/need-an-if-operation-dont-know-how-to-do/68887)

<div class="topic-metadata">

**Author:** [@igmam](https://discourse.nodered.org/u/igmam)\
**Replies:** 5\
**Last updated:** [11 October 2022 18:28 UTC](https://discourse.nodered.org/t/need-an-if-operation-dont-know-how-to-do/68887 "2022-10-11T18:28:31Z")

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Hi there, I'm doing a geolocation lookup via Google API. I get the MAC Addresses proper, but i need a function wich will lookup if the address has 12 characters, if not, i need a "0" in front of my string. Sorry for t…

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## [How to insert multiple ":" in a string](https://discourse.nodered.org/t/how-to-insert-multiple-in-a-string/68867)

<div class="topic-metadata">

**Author:** [@igmam](https://discourse.nodered.org/u/igmam)\
**Replies:** 2\
**Last updated:** [11 October 2022 15:38 UTC](https://discourse.nodered.org/t/how-to-insert-multiple-in-a-string/68867 "2022-10-11T15:38:39Z")

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Hi there, I'm getting a MAC Address without ":" character betweend the characters. example: 001122334455 But want to get this version 00:11:22:33:44:55 How to do this in a efficient way? Thank you!

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## [My Dashboard (some impressions)](https://discourse.nodered.org/t/my-dashboard-some-impressions/68420)

<div class="topic-metadata">

**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\
**Replies:** 23\
**Last updated:** [11 October 2022 15:37 UTC](https://discourse.nodered.org/t/my-dashboard-some-impressions/68420 "2022-10-11T15:37:43Z")

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## [Sharing of flows in general, plus as subflows](https://discourse.nodered.org/t/sharing-of-flows-in-general-plus-as-subflows/68853)

<div class="topic-metadata">

**Author:** [@bohtho](https://discourse.nodered.org/u/bohtho)\
**Replies:** 9\
**Last updated:** [11 October 2022 15:05 UTC](https://discourse.nodered.org/t/sharing-of-flows-in-general-plus-as-subflows/68853 "2022-10-11T15:05:52Z")

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N8N is often compared and discussed in this forum, but what I find especially nifty about the N8N project is how shared flows look in their forum. They seem to have a simplified editor plugin that takes over the pasted J…

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## [The requested URL was rejected. Please consult with your administrator](https://discourse.nodered.org/t/the-requested-url-was-rejected-please-consult-with-your-administrator/68816)

<div class="topic-metadata">

**Author:** [@makerstorage](https://discourse.nodered.org/u/makerstorage)\
**Replies:** 12\
**Last updated:** [11 October 2022 14:28 UTC](https://discourse.nodered.org/t/the-requested-url-was-rejected-please-consult-with-your-administrator/68816 "2022-10-11T14:28:50Z")

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Hi, The requested URL was rejected. Please consult with your administrator. Your support ID is: xxxxxxxxxxxxxxxxxxxxx I am getting this response from http request node. My server is running on aws. Node-red version 2.…

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## [Dynamic HTML scraping](https://discourse.nodered.org/t/dynamic-html-scraping/68856)

<div class="topic-metadata">

**Author:** [@thekirios](https://discourse.nodered.org/u/thekirios)\
**Replies:** 5\
**Last updated:** [11 October 2022 13:01 UTC](https://discourse.nodered.org/t/dynamic-html-scraping/68856 "2022-10-11T13:01:21Z")

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Hello all, I'm really new to node-red and programming so maybe this topic could sound dumb. There is a dynamic website that publish every 5 minutes values in a table adding always a new row to it. I want to be able to e…

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## [Reading and manipulating KNX-RF](https://discourse.nodered.org/t/reading-and-manipulating-knx-rf/68863)

<div class="topic-metadata">

**Author:** [@bohtho](https://discourse.nodered.org/u/bohtho)\
**Replies:** 0\
**Last updated:** [11 October 2022 12:34 UTC](https://discourse.nodered.org/t/reading-and-manipulating-knx-rf/68863 "2022-10-11T12:34:42Z")

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Mostly just wondering if anyone else have done something with anything of the following. I have had a wireless system of radiator thermostats and a central display unit from Siemens’ Synco series for over 12 years. I qu…

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## [API call - building payload](https://discourse.nodered.org/t/api-call-building-payload/68860)

<div class="topic-metadata">

**Author:** [@stain3565](https://discourse.nodered.org/u/stain3565)\
**Replies:** 2\
**Last updated:** [11 October 2022 11:58 UTC](https://discourse.nodered.org/t/api-call-building-payload/68860 "2022-10-11T11:58:15Z")

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Still learning and struggling with some basics. I am building a call to an api in a function node. I have a hardcoded version of the call, within the code, so I can prove a call works and test my building of the data qu…

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## [Get data text last line](https://discourse.nodered.org/t/get-data-text-last-line/68796)

<div class="topic-metadata">

**Author:** [@chawana](https://discourse.nodered.org/u/chawana)\
**Replies:** 9\
**Last updated:** [11 October 2022 11:35 UTC](https://discourse.nodered.org/t/get-data-text-last-line/68796 "2022-10-11T11:35:50Z")

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Hi every one, some one can help to can we get data text last line? type or paste code here

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## [Checking for string, nested states throws undefined error](https://discourse.nodered.org/t/checking-for-string-nested-states-throws-undefined-error/68841)

<div class="topic-metadata">

**Author:** [@akrea](https://discourse.nodered.org/u/akrea)\
**Replies:** 2\
**Last updated:** [11 October 2022 11:13 UTC](https://discourse.nodered.org/t/checking-for-string-nested-states-throws-undefined-error/68841 "2022-10-11T11:13:21Z")

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Hi Here es what I am trying to do: I have a nested statemachine (smxstate node). Depending on the state, I need to enable disable buttons in the dashboard The (reduced) code I have is: if (msg.payload.state == "idle…

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