# Latest

**URL:** https://discourse.nodered.org/latest.md?page=348

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

**Page:** 349

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## [BananaPi M2 berry - Linux](https://discourse.nodered.org/t/bananapi-m2-berry-linux/78142)

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**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 2\
**Last updated:** [9 May 2023 22:46 UTC](https://discourse.nodered.org/t/bananapi-m2-berry-linux/78142 "2023-05-09T22:46:05Z")

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Hello. I bought myselft a bananaPi m2 berry. What distribution would you all suggest?. I tried 2 that i found, but wasnt able to install node red. Any tips? thank you

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## [Modbus connection between CMI from Technische Alternative and Node Red](https://discourse.nodered.org/t/modbus-connection-between-cmi-from-technische-alternative-and-node-red/78279)

<div class="topic-metadata">

**Author:** [@toolitme](https://discourse.nodered.org/u/toolitme)\
**Replies:** 0\
**Last updated:** [8 May 2023 18:56 UTC](https://discourse.nodered.org/t/modbus-connection-between-cmi-from-technische-alternative-and-node-red/78279 "2023-05-08T18:56:06Z")

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Hi I try since days to connect my CMI (CMI Control and Monitoring Interface CMI \> x2 | Bedienung & Schnittstellen \> Produkte - Technische Alternative) with Node Red over Modbus. Has anyone some (hopefully positive) expe…

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## [Module not allowed for JSONata](https://discourse.nodered.org/t/module-not-allowed-for-jsonata/78252)

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**Author:** [@danielterra](https://discourse.nodered.org/u/danielterra)\
**Replies:** 5\
**Last updated:** [9 May 2023 16:07 UTC](https://discourse.nodered.org/t/module-not-allowed-for-jsonata/78252 "2023-05-09T16:07:37Z")

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Hi there, im using the external modules of the function node to work some magic with Jsonata, all works well for sometime, but when the server need to be re-started it trows some errors trying to install jsonata; Im hos…

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## [How to solve - PayloadTooLargeError](https://discourse.nodered.org/t/how-to-solve-payloadtoolargeerror/78295)

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**Author:** [@Talkatoo](https://discourse.nodered.org/u/Talkatoo)\
**Replies:** 11\
**Last updated:** [9 May 2023 11:59 UTC](https://discourse.nodered.org/t/how-to-solve-payloadtoolargeerror/78295 "2023-05-09T11:59:15Z")

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Hi Node rode, I am using lot of svg images in my project. When I try to added flow, I am getting below error, PayloadTooLargeError: request entity too large at readStream (C:\\Users\\AppData\\Roaming\\npm\\node\_modules…

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## [Set-point (SP) for the tank level node red](https://discourse.nodered.org/t/set-point-sp-for-the-tank-level-node-red/78297)

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**Author:** [@Abdulmoshen](https://discourse.nodered.org/u/Abdulmoshen)\
**Replies:** 5\
**Last updated:** [9 May 2023 11:00 UTC](https://discourse.nodered.org/t/set-point-sp-for-the-tank-level-node-red/78297 "2023-05-09T11:00:23Z")

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I am trying to build a program using the Node-RED client to create a Dashboard that asks the user for the Set-point (SP) for the tank level, utilizes the level measurement , and implement a Proportional Controller using …

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## [Comparing buffer](https://discourse.nodered.org/t/comparing-buffer/78294)

<div class="topic-metadata">

**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 4\
**Last updated:** [9 May 2023 10:20 UTC](https://discourse.nodered.org/t/comparing-buffer/78294 "2023-05-09T10:20:25Z")

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Hi, How do you compare two buffers (using a function node)? const decs1 = \[3, 1, 1\] const buffer1 = Buffer.from(decs1); const decs2 = \[3, 1, 1\] const buffer2 = Buffer.from(decs2); if (buffer1 != buffer2){ msg.pay…

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## [Can't install node-red-contrib-ibm-db2](https://discourse.nodered.org/t/cant-install-node-red-contrib-ibm-db2/78277)

<div class="topic-metadata">

**Author:** [@MariusKolbergsrud](https://discourse.nodered.org/u/MariusKolbergsrud)\
**Replies:** 3\
**Last updated:** [9 May 2023 08:26 UTC](https://discourse.nodered.org/t/cant-install-node-red-contrib-ibm-db2/78277 "2023-05-09T08:26:15Z")

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Hello, I am not able to install the node-red-contrib-ibm-db2 nodes. I have an application running in IBM Code Engine in which I need in/out nodes with a db2 database. I have tried to install from the nodered UI and CLI …

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## [How to create a dashboard where you can customize the topic and message of an email](https://discourse.nodered.org/t/how-to-create-a-dashboard-where-you-can-customize-the-topic-and-message-of-an-email/78291)

<div class="topic-metadata">

**Author:** [@Antonio-SeGa](https://discourse.nodered.org/u/Antonio-SeGa)\
**Replies:** 1\
**Last updated:** [9 May 2023 07:51 UTC](https://discourse.nodered.org/t/how-to-create-a-dashboard-where-you-can-customize-the-topic-and-message-of-an-email/78291 "2023-05-09T07:51:33Z")

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I am implementing text input to create the mail topic and another one for the mail message, but I can't implement it to a function that detects the msg separately.

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## [Delay node can not work with multi topic with different msg.rate](https://discourse.nodered.org/t/delay-node-can-not-work-with-multi-topic-with-different-msg-rate/78286)

<div class="topic-metadata">

**Author:** [@bjdaijun](https://discourse.nodered.org/u/bjdaijun)\
**Replies:** 4\
**Last updated:** [9 May 2023 06:34 UTC](https://discourse.nodered.org/t/delay-node-can-not-work-with-multi-topic-with-different-msg-rate/78286 "2023-05-09T06:34:53Z")

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\[ { "id": "e96b3cf4329c5f4a", "type": "inject", "z": "d70eb72327dc3f2e", "name": "Node1", "props": \[ { "p": "payload" }, { …

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## [Unable to import flow - Cannot read properties of undefined (reading 'out')](https://discourse.nodered.org/t/unable-to-import-flow-cannot-read-properties-of-undefined-reading-out/78218)

<div class="topic-metadata">

**Author:** [@dudenell](https://discourse.nodered.org/u/dudenell)\
**Replies:** 6\
**Last updated:** [9 May 2023 03:36 UTC](https://discourse.nodered.org/t/unable-to-import-flow-cannot-read-properties-of-undefined-reading-out/78218 "2023-05-09T03:36:35Z")

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I'm attempting to import flows from this github to look at: Home-Assistant-Config/node-red at master · maxi1134/Home-Assistant-Config · GitHub Every time I attempt to import a flow, I'm getting the following undescripti…

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## [Debug node status not seeming to be working](https://discourse.nodered.org/t/debug-node-status-not-seeming-to-be-working/78284)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [9 May 2023 03:02 UTC](https://discourse.nodered.org/t/debug-node-status-not-seeming-to-be-working/78284 "2023-05-09T03:02:26Z")

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Ok, what's going on here? Given the wires are there. Part of the code: \[{"id":"815db933.3ce758","type":"change","z":"6dd5ca4d.d1958c","name":"Go","rules":\[{"t":"set","p":"payload","pt":"msg","to":" fa fa-hand-o-…

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## [Level tank with color indicator](https://discourse.nodered.org/t/level-tank-with-color-indicator/78275)

<div class="topic-metadata">

**Author:** [@hectorbach2](https://discourse.nodered.org/u/hectorbach2)\
**Replies:** 2\
**Last updated:** [8 May 2023 17:47 UTC](https://discourse.nodered.org/t/level-tank-with-color-indicator/78275 "2023-05-08T17:47:48Z")

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want to build a dashboard tank with color indicator by % of fill but can't find a vertical rectangle. can someone know how to build it or where to find something similar? Thanks Hector

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## [Child Menu in nodered dashboard](https://discourse.nodered.org/t/child-menu-in-nodered-dashboard/78092)

<div class="topic-metadata">

**Author:** [@fuad\_rock](https://discourse.nodered.org/u/fuad_rock)\
**Replies:** 9\
**Last updated:** [8 May 2023 14:16 UTC](https://discourse.nodered.org/t/child-menu-in-nodered-dashboard/78092 "2023-05-08T14:16:51Z")

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How can we create a child menu in the node-red dashboard? In this picture, those ID11,12,13 are tab names. But I want to show a single ID in the menu and those 3 will be the child menu. Is it possible using node-red da…

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## [S1 Smart Controller of iGlass](https://discourse.nodered.org/t/s1-smart-controller-of-iglass/76831)

<div class="topic-metadata">

**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 1\
**Last updated:** [8 May 2023 13:31 UTC](https://discourse.nodered.org/t/s1-smart-controller-of-iglass/76831 "2023-05-08T13:31:10Z")

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does anybody already tried or worked with S1 Smart Controller of iGlass. They have a big collection of node-red nodes. S1 Smart Contrller would be nice to get some feedback.

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## [Get-history: Request failed with status code 400 when using Entity ID INCLUDE not IS](https://discourse.nodered.org/t/get-history-request-failed-with-status-code-400-when-using-entity-id-include-not-is/78254)

<div class="topic-metadata">

**Author:** [@alvinchen](https://discourse.nodered.org/u/alvinchen)\
**Replies:** 2\
**Last updated:** [8 May 2023 10:08 UTC](https://discourse.nodered.org/t/get-history-request-failed-with-status-code-400-when-using-entity-id-include-not-is/78254 "2023-05-08T10:08:42Z")

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Hello, using Node-Red Add-on: Node-RED Flow-based programming for the Internet of Things Add-on version: 14.1.5 You are running the latest version of this add-on. System: Home Assistant OS 10.1 (amd64 / generic-x86…

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## [Dendrogram chart, totally out of my depth](https://discourse.nodered.org/t/dendrogram-chart-totally-out-of-my-depth/78267)

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**Author:** [@88bit](https://discourse.nodered.org/u/88bit)\
**Replies:** 0\
**Last updated:** [8 May 2023 08:33 UTC](https://discourse.nodered.org/t/dendrogram-chart-totally-out-of-my-depth/78267 "2023-05-08T08:33:38Z")

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Hi all, I'm completely out of my depth and looking for inspiration. I have an electrical network where I measure currents and voltages in several locations. This is effectively a branched network with several branches a…

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## [Auto Led alarm setting](https://discourse.nodered.org/t/auto-led-alarm-setting/78164)

<div class="topic-metadata">

**Author:** [@Tomi](https://discourse.nodered.org/u/Tomi)\
**Replies:** 12\
**Last updated:** [8 May 2023 07:16 UTC](https://discourse.nodered.org/t/auto-led-alarm-setting/78164 "2023-05-08T07:16:14Z")

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Hello. I'm trying to ask for help because I'm coding incorrectly. When the sensor rings an alarm, the LED changes automatically from green to red I've tried it many times, but I don't know Please help me flows (7)…

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## [How to change the LED color when the temperature goes up and the alarm goes off](https://discourse.nodered.org/t/how-to-change-the-led-color-when-the-temperature-goes-up-and-the-alarm-goes-off/78172)

<div class="topic-metadata">

**Author:** [@jains](https://discourse.nodered.org/u/jains)\
**Replies:** 10\
**Last updated:** [8 May 2023 07:14 UTC](https://discourse.nodered.org/t/how-to-change-the-led-color-when-the-temperature-goes-up-and-the-alarm-goes-off/78172 "2023-05-08T07:14:18Z")

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Hello I'm using sensors for NCD products If the temperature value of the sensor is higher than the set temperature value, the alarm will sound. If the alarm goes off and the default color is green on the LED, if it goe…

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## [How can I submit a single flow on node red instead of submitting all flows](https://discourse.nodered.org/t/how-can-i-submit-a-single-flow-on-node-red-instead-of-submitting-all-flows/78258)

<div class="topic-metadata">

**Author:** [@moyongjin](https://discourse.nodered.org/u/moyongjin)\
**Replies:** 1\
**Last updated:** [8 May 2023 07:13 UTC](https://discourse.nodered.org/t/how-can-i-submit-a-single-flow-on-node-red-instead-of-submitting-all-flows/78258 "2023-05-08T07:13:02Z")

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now i want to submit a single flow，but i saw the code of node-red code， it just use flows post method，can i settings for solve this problem？

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## [iRobot Roomba integration](https://discourse.nodered.org/t/irobot-roomba-integration/78259)

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**Author:** [@howl](https://discourse.nodered.org/u/howl)\
**Replies:** 0\
**Last updated:** [8 May 2023 06:30 UTC](https://discourse.nodered.org/t/irobot-roomba-integration/78259 "2023-05-08T06:30:25Z")

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Hi, with the help of this page https://www.postman.com/devrel/workspace/hacking-the-home/collection/13191452-3e0d3eaf-c04a-437d-8197-2694314b6b20 i can now control the Roomba i7 via rest-interface, e.g. start cleaning…

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## [Bug? Zombie junctions](https://discourse.nodered.org/t/bug-zombie-junctions/78244)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 2\
**Last updated:** [7 May 2023 20:24 UTC](https://discourse.nodered.org/t/bug-zombie-junctions/78244 "2023-05-07T20:24:20Z")

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Observed on NR 3.0.2 and 3.1.0 beta 2. Is this real or just odd behaviour of my PC? 1 Create a group of nodes which includes some junctions. Deploy. 2 Delete some of the junctions. Deploy. 3 Copy and paste the …

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## [How to make sense of the returned list of Flows from the \`/flows\` API?](https://discourse.nodered.org/t/how-to-make-sense-of-the-returned-list-of-flows-from-the-flows-api/78245)

<div class="topic-metadata">

**Author:** [@Shan](https://discourse.nodered.org/u/Shan)\
**Replies:** 5\
**Last updated:** [7 May 2023 16:49 UTC](https://discourse.nodered.org/t/how-to-make-sense-of-the-returned-list-of-flows-from-the-flows-api/78245 "2023-05-07T16:49:39Z")

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So I am writing an ansible collection for node-red so that one can control multiple node-red instances without writing complicated code. For the initial test case I developed a Lookup Plugin that will provide me the cur…

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## [Add Time-Scheduler](https://discourse.nodered.org/t/add-time-scheduler/78134)

<div class="topic-metadata">

**Author:** [@selfmade](https://discourse.nodered.org/u/selfmade)\
**Replies:** 20\
**Last updated:** [7 May 2023 15:24 UTC](https://discourse.nodered.org/t/add-time-scheduler/78134 "2023-05-07T15:24:52Z")

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Hello, Thanks to your help, my first steps went very well. I have a D1Mini here that controls my Led. Temperature/humidity works as well Dimming, switching on/off the LEDs. Now I want to add a timer for days, months …

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## [UBJSON extension](https://discourse.nodered.org/t/ubjson-extension/78082)

<div class="topic-metadata">

**Author:** [@zova](https://discourse.nodered.org/u/zova)\
**Replies:** 16\
**Last updated:** [7 May 2023 14:51 UTC](https://discourse.nodered.org/t/ubjson-extension/78082 "2023-05-07T14:51:31Z")

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I'm using MQTT to get some data from PLC by robust way. MQTT protocol is light way enough itself, but data preparation consumes huge resources of PLC. JS didn't supports PlC's data types at all. I.e. Simatic S7 and JS h…

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## [Missing Input and Output Nodes in Node-RED - Seeking Help](https://discourse.nodered.org/t/missing-input-and-output-nodes-in-node-red-seeking-help/78234)

<div class="topic-metadata">

**Author:** [@LucLeDev](https://discourse.nodered.org/u/LucLeDev)\
**Replies:** 3\
**Last updated:** [7 May 2023 12:40 UTC](https://discourse.nodered.org/t/missing-input-and-output-nodes-in-node-red-seeking-help/78234 "2023-05-07T12:40:14Z")

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Hello Node-RED community, I am experiencing an issue with missing input and output nodes in Node-RED. I have tried checking for updates and even uninstalling and reinstalling Node-RED, but the issue persists. I would ap…

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## [Client JS in the node config editor?](https://discourse.nodered.org/t/client-js-in-the-node-config-editor/78212)

<div class="topic-metadata">

**Author:** [@ncherry](https://discourse.nodered.org/u/ncherry)\
**Replies:** 5\
**Last updated:** [7 May 2023 11:36 UTC](https://discourse.nodered.org/t/client-js-in-the-node-config-editor/78212 "2023-05-07T11:36:40Z")

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I'm the author of the node-red-contrib-mytimeout node. A user has noted a problem with the config (string vs number). I've figured out if I add a check box in the config editor I can have the user select what they need. …

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## [Unique MQTT to BACnet Use-Case?](https://discourse.nodered.org/t/unique-mqtt-to-bacnet-use-case/78022)

<div class="topic-metadata">

**Author:** [@RedWerd](https://discourse.nodered.org/u/RedWerd)\
**Replies:** 12\
**Last updated:** [7 May 2023 10:45 UTC](https://discourse.nodered.org/t/unique-mqtt-to-bacnet-use-case/78022 "2023-05-07T10:45:57Z")

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Hello everyone! New to Node-RED as well as MQTT/BACnet integration. We have an unusual use-case that we're attempting to Proof-Of-Concept, but have been hitting various speed bumps. The ultimate goal is to have our en…

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## [Context variable scope Group?](https://discourse.nodered.org/t/context-variable-scope-group/78180)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 3\
**Last updated:** [7 May 2023 09:50 UTC](https://discourse.nodered.org/t/context-variable-scope-group/78180 "2023-05-07T09:50:47Z")

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A flow I am constructing for a dashboard has multiple copies of the same nodes. (I mistyped "2") It would be useful if I could define a context variable group.arrayidx so that the source of the data in each field cou…

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## [Node-Red for Alarm Monitoring?](https://discourse.nodered.org/t/node-red-for-alarm-monitoring/78230)

<div class="topic-metadata">

**Author:** [@oguruma](https://discourse.nodered.org/u/oguruma)\
**Replies:** 1\
**Last updated:** [7 May 2023 08:33 UTC](https://discourse.nodered.org/t/node-red-for-alarm-monitoring/78230 "2023-05-07T08:33:13Z")

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I currently use Home Assistant with a Z-Wave hub for my home's alarm system. It seems to run okay, but it also does seems like more of a hobbyist project than a rock-solid platform for a home alarm system. Would Node-Re…

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## [Node-red não inicia](https://discourse.nodered.org/t/node-red-nao-inicia/78240)

<div class="topic-metadata">

**Author:** [@Jonas](https://discourse.nodered.org/u/Jonas)\
**Replies:** 2\
**Last updated:** [7 May 2023 07:11 UTC](https://discourse.nodered.org/t/node-red-nao-inicia/78240 "2023-05-07T07:11:24Z")

</div>

node-red nao inicia apenas parece a mensagem da imagem. Alguem sabe como resolver? Uploading: image.png... Uploading: Captura de tela 2023-05-07 025839.png...

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