# Latest

**URL:** https://discourse.nodered.org/latest.md?page=366

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

**Page:** 367

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## [Drift simulation](https://discourse.nodered.org/t/drift-simulation/77202)

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**Author:** [@arthurmouf](https://discourse.nodered.org/u/arthurmouf)\
**Replies:** 2\
**Last updated:** [3 April 2023 15:11 UTC](https://discourse.nodered.org/t/drift-simulation/77202 "2023-04-03T15:11:38Z")

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Hi, My Node-red has a very strange behavior, and I would like to know if it's the case only for me or if someone else encounter this. I use a slider to simulate a drift on a given value. For the purpose of the exemple,…

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## [Beagle Bone Black getting node-red V3](https://discourse.nodered.org/t/beagle-bone-black-getting-node-red-v3/75629)

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**Author:** [@vikingsraven](https://discourse.nodered.org/u/vikingsraven)\
**Replies:** 10\
**Last updated:** [3 April 2023 14:50 UTC](https://discourse.nodered.org/t/beagle-bone-black-getting-node-red-v3/75629 "2023-04-03T14:50:02Z")

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HI all, have been given a beagle bone black to get some testing done, i want to use node red, but i can only get it to v1.3.5 Ive used the update command , anyway i can get V3 on this thing? Is it possible with Docker…

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## [Start/Stop trait on multiple nodes not working](https://discourse.nodered.org/t/start-stop-trait-on-multiple-nodes-not-working/77201)

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**Author:** [@slashinpdx](https://discourse.nodered.org/u/slashinpdx)\
**Replies:** 0\
**Last updated:** [3 April 2023 14:22 UTC](https://discourse.nodered.org/t/start-stop-trait-on-multiple-nodes-not-working/77201 "2023-04-03T14:22:09Z")

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When starting or stopping a device(node) with Start/Stop trait enabled and debugging to show the full object, I see a params.start object with the correct value for that command. When starting or stopping several device…

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## [Remote Update Single Tab of Flow](https://discourse.nodered.org/t/remote-update-single-tab-of-flow/76758)

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**Author:** [@ChZeman](https://discourse.nodered.org/u/ChZeman)\
**Replies:** 53\
**Last updated:** [3 April 2023 14:20 UTC](https://discourse.nodered.org/t/remote-update-single-tab-of-flow/76758 "2023-04-03T14:20:10Z")

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I have a flow that runs on a few dozen remote Pis. The flow contains ten tabs, each of which I've exported an individual json file for on my development machine. I'd like to deploy only the updated flows instead of the e…

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## [Dashboard - Disable (grey out) a widget depending on another)](https://discourse.nodered.org/t/dashboard-disable-grey-out-a-widget-depending-on-another/77186)

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**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 5\
**Last updated:** [3 April 2023 14:19 UTC](https://discourse.nodered.org/t/dashboard-disable-grey-out-a-widget-depending-on-another/77186 "2023-04-03T14:19:15Z")

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Hello. New day, new learning. I asked myself how to disable/enable a numberfield for example, depending on the state of a dropdown widget. For example: If widget-dropdown (TimerManual) is TRUE enable/show numberfield …

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## [How to filter particular data from json file using python3 function node in Node-Red? Response for this is undefined](https://discourse.nodered.org/t/how-to-filter-particular-data-from-json-file-using-python3-function-node-in-node-red-response-for-this-is-undefined/77075)

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**Author:** [@Sathish2409](https://discourse.nodered.org/u/Sathish2409)\
**Replies:** 9\
**Last updated:** [3 April 2023 12:36 UTC](https://discourse.nodered.org/t/how-to-filter-particular-data-from-json-file-using-python3-function-node-in-node-red-response-for-this-is-undefined/77075 "2023-04-03T12:36:26Z")

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## [Error in function case](https://discourse.nodered.org/t/error-in-function-case/77195)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 5\
**Last updated:** [3 April 2023 12:23 UTC](https://discourse.nodered.org/t/error-in-function-case/77195 "2023-04-03T12:23:22Z")

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Hi, I don't understand where is the error ... Can you help me? windCardinal is a const var if (windSpeed \> 2) { switch (windCardinal) { case "NE": output\[8\] = { label: "GRECALE" } …

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## [Not getting why I see this error in the code (Subflow)](https://discourse.nodered.org/t/not-getting-why-i-see-this-error-in-the-code-subflow/77189)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 16\
**Last updated:** [3 April 2023 12:15 UTC](https://discourse.nodered.org/t/not-getting-why-i-see-this-error-in-the-code-subflow/77189 "2023-04-03T12:15:19Z")

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This is the code from inside a node I have in a subflow. When I am editing it it shows an error in line 15: context.set("counter",max-1); I'm not seeing the elephant. Code: let counter = context.get("counter") |…

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## [Node Red To IOT2050](https://discourse.nodered.org/t/node-red-to-iot2050/77018)

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**Author:** [@Edona](https://discourse.nodered.org/u/Edona)\
**Replies:** 3\
**Last updated:** [3 April 2023 12:15 UTC](https://discourse.nodered.org/t/node-red-to-iot2050/77018 "2023-04-03T12:15:07Z")

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Hello I am trying to communicate with my gateway Iot2050 but unfortunately I cannot achive that in Node Red ......Can Sb help me ?

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## [Dynamic Change to \[Inject Node?\] Repeat Interval?](https://discourse.nodered.org/t/dynamic-change-to-inject-node-repeat-interval/77191)

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**Author:** [@lorccan](https://discourse.nodered.org/u/lorccan)\
**Replies:** 5\
**Last updated:** [3 April 2023 12:01 UTC](https://discourse.nodered.org/t/dynamic-change-to-inject-node-repeat-interval/77191 "2023-04-03T12:01:35Z")

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I have an Inject node set to repeat every minute. This works fine when the "looping" flow doesn't need to do something that takes longer than around 20 seconds to complete. However, when the overall flow has not complete…

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## [Quantity Level Indication in Silo](https://discourse.nodered.org/t/quantity-level-indication-in-silo/76899)

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**Author:** [@Talkatoo](https://discourse.nodered.org/u/Talkatoo)\
**Replies:** 28\
**Last updated:** [3 April 2023 11:35 UTC](https://discourse.nodered.org/t/quantity-level-indication-in-silo/76899 "2023-04-03T11:35:47Z")

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As I am working on a brewing project. I need to display the current capacity of silo. I am planning to use an SVG image for the silo and I will get values(current length) from the level sensor. Based on the values, I wil…

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## [Remote-Red/ remote access!](https://discourse.nodered.org/t/remote-red-remote-access/77190)

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**Author:** [@ALIEN](https://discourse.nodered.org/u/ALIEN)\
**Replies:** 2\
**Last updated:** [3 April 2023 10:52 UTC](https://discourse.nodered.org/t/remote-red-remote-access/77190 "2023-04-03T10:52:02Z")

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Hello everyone, Recently, I purchased a subscription of three month remote access for Remote-Red App and payment is completed, but there is a problem! After one day in app, I receive a notification that says: Test per…

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## [502 gateway error](https://discourse.nodered.org/t/502-gateway-error/77165)

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**Author:** [@robmiller1000](https://discourse.nodered.org/u/robmiller1000)\
**Replies:** 16\
**Last updated:** [3 April 2023 09:07 UTC](https://discourse.nodered.org/t/502-gateway-error/77165 "2023-04-03T09:07:53Z")

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Anyone else all the sudden getting 502 bad gateway error? It was fine ealrlier this morning and I have not updated anything.

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## [Mqtt node issue... bug or setting?](https://discourse.nodered.org/t/mqtt-node-issue-bug-or-setting/77178)

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**Author:** [@Gibbz](https://discourse.nodered.org/u/Gibbz)\
**Replies:** 9\
**Last updated:** [3 April 2023 08:27 UTC](https://discourse.nodered.org/t/mqtt-node-issue-bug-or-setting/77178 "2023-04-03T08:27:19Z")

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I have a mqtt in node "zigbee2mqtt/Garage Remote/action" If the device sends a signal to mqtt without the "action" part of the json, node red still triggers and sends the "action" from the previous message. This causes…

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## [Node-Red kept restarting upon git push](https://discourse.nodered.org/t/node-red-kept-restarting-upon-git-push/77181)

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**Author:** [@cameo69](https://discourse.nodered.org/u/cameo69)\
**Replies:** 2\
**Last updated:** [3 April 2023 07:17 UTC](https://discourse.nodered.org/t/node-red-kept-restarting-upon-git-push/77181 "2023-04-03T07:17:49Z")

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Hi all, I have a node-red instance (runs in docker) that kept restarting whenever I did a git push within project. 3 Apr 08:05:11 - \[info\] Node-RED version: v3.0.2 3 Apr 08:05:11 - \[info\] Node.js version: v16.16.0 3 Ap…

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## [Help with getting time interval](https://discourse.nodered.org/t/help-with-getting-time-interval/77170)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 12\
**Last updated:** [3 April 2023 06:13 UTC](https://discourse.nodered.org/t/help-with-getting-time-interval/77170 "2023-04-03T06:13:37Z")

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For quite a long time now I have had code that worked ok but it is starting to show its problems. Overview: Sunset to a fixed time to dim the lights in n steps. (n is fixed.) But the time between steps varies depend…

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## [How to create config node in node-red](https://discourse.nodered.org/t/how-to-create-config-node-in-node-red/77101)

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**Author:** [@natamongkol](https://discourse.nodered.org/u/natamongkol)\
**Replies:** 22\
**Last updated:** [3 April 2023 06:12 UTC](https://discourse.nodered.org/t/how-to-create-config-node-in-node-red/77101 "2023-04-03T06:12:38Z")

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I try create config node like this but it's show only text box no config, I want projectid to be a config node, I tried following many nodes with config node but it didn't work for me, How to fix it? graphql\_query.js m…

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## [On device Activity (node-red-contrib-alexa-remote2-applestrudel 5.0.25)](https://discourse.nodered.org/t/on-device-activity-node-red-contrib-alexa-remote2-applestrudel-5-0-25/77166)

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**Author:** [@Spectre68](https://discourse.nodered.org/u/Spectre68)\
**Replies:** 2\
**Last updated:** [3 April 2023 05:52 UTC](https://discourse.nodered.org/t/on-device-activity-node-red-contrib-alexa-remote2-applestrudel-5-0-25/77166 "2023-04-03T05:52:53Z")

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Hi forum !! I have been using Node Red (3.0.02 on raspy) for Home Automation for a while and it works great. I installed for integration with Alexa (node-red-contrib-alexa-remote2-applestrudel 5.0.25) . It works well bu…

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## [Is this a bug in the function node withe respect to flow context?](https://discourse.nodered.org/t/is-this-a-bug-in-the-function-node-withe-respect-to-flow-context/77167)

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**Author:** [@ssnowa](https://discourse.nodered.org/u/ssnowa)\
**Replies:** 3\
**Last updated:** [2 April 2023 22:27 UTC](https://discourse.nodered.org/t/is-this-a-bug-in-the-function-node-withe-respect-to-flow-context/77167 "2023-04-02T22:27:56Z")

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In the attached flow, upon first inject a flow context variable "chargeCurrentLimit" will be initialized. However, upon a subsequent inject, the test in the function node, "type of flow.chargeCurrentLimit" returns "unde…

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## [Does Node Red dashboard have a numeric popup keypad?](https://discourse.nodered.org/t/does-node-red-dashboard-have-a-numeric-popup-keypad/76842)

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**Author:** [@damica51](https://discourse.nodered.org/u/damica51)\
**Replies:** 7\
**Last updated:** [2 April 2023 19:30 UTC](https://discourse.nodered.org/t/does-node-red-dashboard-have-a-numeric-popup-keypad/76842 "2023-04-02T19:30:12Z")

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If I was using a Numeric Input Box and there is NO KEYBOARD is there a numeric popup keypad that can be used? Or can someone explain to me how you could enter a number into the input box. I been looking all over and can…

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## [Tasmota DC Power Monitoring Hardware. Does it exist?](https://discourse.nodered.org/t/tasmota-dc-power-monitoring-hardware-does-it-exist/77158)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 7\
**Last updated:** [2 April 2023 17:39 UTC](https://discourse.nodered.org/t/tasmota-dc-power-monitoring-hardware-does-it-exist/77158 "2023-04-02T17:39:40Z")

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Hey All. I'm looking for hardware to monitor DC power consumption. I've seen that Sonoff makes something but I would prefer something with Tasmota. I've tried flashing Sonoff modules with Tasmota but I fried the pads …

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## [Node-red-contrib-queue-gate - how to add trigger identifier?](https://discourse.nodered.org/t/node-red-contrib-queue-gate-how-to-add-trigger-identifier/77137)

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**Author:** [@bs-eng](https://discourse.nodered.org/u/bs-eng)\
**Replies:** 16\
**Last updated:** [2 April 2023 17:38 UTC](https://discourse.nodered.org/t/node-red-contrib-queue-gate-how-to-add-trigger-identifier/77137 "2023-04-02T17:38:30Z")

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Hi there! I am using node-red-contrib-queue-gate and am wondering how I can add trigger identifiers to the messages generated. For example I have a stream of data which is being queued. Then I have several triggers that…

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## [Why is this happening?](https://discourse.nodered.org/t/why-is-this-happening/77159)

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**Author:** [@SeRiusRod](https://discourse.nodered.org/u/SeRiusRod)\
**Replies:** 9\
**Last updated:** [2 April 2023 15:27 UTC](https://discourse.nodered.org/t/why-is-this-happening/77159 "2023-04-02T15:27:10Z")

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Does anyone know why the following javascript code is triggering the warn alert? function send(message) { if ( message.measurement == null || message.measurement == "" || message.topic == null || mes…

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## [Flow Sequence Operation?](https://discourse.nodered.org/t/flow-sequence-operation/77157)

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**Author:** [@damica51](https://discourse.nodered.org/u/damica51)\
**Replies:** 8\
**Last updated:** [2 April 2023 14:11 UTC](https://discourse.nodered.org/t/flow-sequence-operation/77157 "2023-04-02T14:11:33Z")

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I have a Node Red program with 3 flows, how will this be excuted? Will flow 2 not start until flow 1 is done or will flow 2 and flow 3 start at same time flow 1 starts?

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## [Node Red Version Compatibility](https://discourse.nodered.org/t/node-red-version-compatibility/77096)

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**Author:** [@ebarrieau](https://discourse.nodered.org/u/ebarrieau)\
**Replies:** 4\
**Last updated:** [2 April 2023 13:01 UTC](https://discourse.nodered.org/t/node-red-version-compatibility/77096 "2023-04-02T13:01:33Z")

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I am in the final stages of wrapping up the first release of a custom node. I have been using it in development for a few months and think it is stable and useful enough to release for others to use. I am always using th…

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## [Chart node - set blank label via msg](https://discourse.nodered.org/t/chart-node-set-blank-label-via-msg/77149)

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**Author:** [@k5map](https://discourse.nodered.org/u/k5map)\
**Replies:** 2\
**Last updated:** [2 April 2023 12:17 UTC](https://discourse.nodered.org/t/chart-node-set-blank-label-via-msg/77149 "2023-04-02T12:17:42Z")

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I have the chart node working great so long as data flows to it. Problem is when the website I'm pulling the data fails, the chart does not reflect this and just keeps the last data displayed. Does anyone know how you…

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## [Function Node exported json](https://discourse.nodered.org/t/function-node-exported-json/77124)

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**Author:** [@darakeon](https://discourse.nodered.org/u/darakeon)\
**Replies:** 4\
**Last updated:** [1 April 2023 18:56 UTC](https://discourse.nodered.org/t/function-node-exported-json/77124 "2023-04-01T18:56:50Z")

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Hi all! I'm new here and new to Node-RED. I don't know if this is the common way to do this, but in my team we export all the flows to a flows.json file and use this to deploy the apps. While exporting it, I noticed th…

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## [Node-red-html-to-pdf Error](https://discourse.nodered.org/t/node-red-html-to-pdf-error/77143)

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**Author:** [@WilsonOviedo](https://discourse.nodered.org/u/WilsonOviedo)\
**Replies:** 2\
**Last updated:** [1 April 2023 17:33 UTC](https://discourse.nodered.org/t/node-red-html-to-pdf-error/77143 "2023-04-01T17:33:42Z")

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Hi, i'm use html to pdf node, when i send html to node, return this error: TypeError: Cannot read properties of undefined (reading 'split') This is my code: \[ { "id": "3f78bec97e2f1517", "type": …

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## [Node-RED extend Delay count](https://discourse.nodered.org/t/node-red-extend-delay-count/77138)

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**Author:** [@tmollow](https://discourse.nodered.org/u/tmollow)\
**Replies:** 1\
**Last updated:** [1 April 2023 17:11 UTC](https://discourse.nodered.org/t/node-red-extend-delay-count/77138 "2023-04-01T17:11:33Z")

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I am looking for a Node-Red-Timer, which I can extend by e.g. 5 minutes with each button click. I would also like to display the remaining time. Is there any example)

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## [Question on beta and reverting to stable](https://discourse.nodered.org/t/question-on-beta-and-reverting-to-stable/77098)

<div class="topic-metadata">

**Author:** [@Aaroneisele55](https://discourse.nodered.org/u/Aaroneisele55)\
**Replies:** 2\
**Last updated:** [1 April 2023 16:54 UTC](https://discourse.nodered.org/t/question-on-beta-and-reverting-to-stable/77098 "2023-04-01T16:54:39Z")

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Hello, I've been thinking about using the beta version of NodeRed, but I still have some questions about it: If I have the beta and something doesn't work, how easy is it to switch back? Does the beta have some other …

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