# Latest

**URL:** https://discourse.nodered.org/latest.md?page=436

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

**Page:** 437

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## [Convert buffer to time and compare with current time](https://discourse.nodered.org/t/convert-buffer-to-time-and-compare-with-current-time/72392)

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**Author:** [@walberjunior](https://discourse.nodered.org/u/walberjunior)\
**Replies:** 2\
**Last updated:** [18 December 2022 23:21 UTC](https://discourse.nodered.org/t/convert-buffer-to-time-and-compare-with-current-time/72392 "2022-12-18T23:21:02Z")

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Hi. Among other data, I get the date and time from a buffer and I need to compare it with the current date. But even simulating the current date, when I do the conversion there is a very large difference between the da…

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## [Knime + Node-RED locally in production](https://discourse.nodered.org/t/knime-node-red-locally-in-production/72398)

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**Author:** [@orrinen](https://discourse.nodered.org/u/orrinen)\
**Replies:** 0\
**Last updated:** [18 December 2022 22:28 UTC](https://discourse.nodered.org/t/knime-node-red-locally-in-production/72398 "2022-12-18T22:28:43Z")

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Hello. Have anyone here been successful in using node-red + Knime for data analytics in production? I am struggeling finding out if it's possible to have these platforms running together locally, as none seem to have a…

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## [Google Nest Thermostat - support in Node-RED](https://discourse.nodered.org/t/google-nest-thermostat-support-in-node-red/72394)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 0\
**Last updated:** [18 December 2022 21:49 UTC](https://discourse.nodered.org/t/google-nest-thermostat-support-in-node-red/72394 "2022-12-18T21:49:32Z")

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Many moons ago I was able to control my Nest thermostat with Node-RED. Then Nest was bought out by Google, then it stopped working, then they released "works with Nest" or somesuch thing which ironically made my home ST…

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## [How can I declare a msg.payload variable inside a json node no make a pdf?](https://discourse.nodered.org/t/how-can-i-declare-a-msg-payload-variable-inside-a-json-node-no-make-a-pdf/72385)

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**Author:** [@Eduardo1](https://discourse.nodered.org/u/Eduardo1)\
**Replies:** 11\
**Last updated:** [18 December 2022 21:45 UTC](https://discourse.nodered.org/t/how-can-i-declare-a-msg-payload-variable-inside-a-json-node-no-make-a-pdf/72385 "2022-12-18T21:45:17Z")

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I used a node join to create an array of payloads. Now I need to declare different variables inside a button node using the json format to insert these variables into a pdf (node-red-contrib-pdfmake) How can I do this?

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## [Web scraping flow/nodes with login before getting data](https://discourse.nodered.org/t/web-scraping-flow-nodes-with-login-before-getting-data/72209)

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**Author:** [@tpbillund](https://discourse.nodered.org/u/tpbillund)\
**Replies:** 8\
**Last updated:** [18 December 2022 19:27 UTC](https://discourse.nodered.org/t/web-scraping-flow-nodes-with-login-before-getting-data/72209 "2022-12-18T19:27:21Z")

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Node-RED flow. I need a "function" or "http request", that can login with username/Password to this website brewcreator.com and the get your "profilename" from the dashboard "HELLO, YOUR NAME!" so I get that as a output…

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## [Ignore message number one and two?](https://discourse.nodered.org/t/ignore-message-number-one-and-two/72369)

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**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 7\
**Last updated:** [18 December 2022 17:22 UTC](https://discourse.nodered.org/t/ignore-message-number-one-and-two/72369 "2022-12-18T17:22:11Z")

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I am considering making an automation for a door lock, and I am a little bit unsure where to start. I have one sensor which put the house in "away" I can give it a value "1" Then I have another sensor on my garage door. …

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## [The promise rejected with the reason "#\<Object\>"](https://discourse.nodered.org/t/the-promise-rejected-with-the-reason-object/72375)

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**Author:** [@lhlxx2010](https://discourse.nodered.org/u/lhlxx2010)\
**Replies:** 12\
**Last updated:** [18 December 2022 16:30 UTC](https://discourse.nodered.org/t/the-promise-rejected-with-the-reason-object/72375 "2022-12-18T16:30:38Z")

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My node-red stops working every 7-10 days. There is only one line of code in the log. Does anyone have a similar situation? Or can you tell me some directions of the investigation?

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## [Automatically wire a vertical selection set of outputs](https://discourse.nodered.org/t/automatically-wire-a-vertical-selection-set-of-outputs/72092)

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**Author:** [@si-hb](https://discourse.nodered.org/u/si-hb)\
**Replies:** 2\
**Last updated:** [18 December 2022 15:19 UTC](https://discourse.nodered.org/t/automatically-wire-a-vertical-selection-set-of-outputs/72092 "2022-12-18T15:19:29Z")

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A feature of some DSP software is the ability to select a vertical group of outputs on a DSP object, drag the group onto a set of inputs of another dsp object's inputs (the inverse can also be true), and the DSP software…

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## [Link nodes - auto create the node name from the node it is first wired to](https://discourse.nodered.org/t/link-nodes-auto-create-the-node-name-from-the-node-it-is-first-wired-to/72094)

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**Author:** [@si-hb](https://discourse.nodered.org/u/si-hb)\
**Replies:** 2\
**Last updated:** [18 December 2022 15:14 UTC](https://discourse.nodered.org/t/link-nodes-auto-create-the-node-name-from-the-node-it-is-first-wired-to/72094 "2022-12-18T15:14:30Z")

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Link node labelling can be tedious. It would be a nice option if, when wiring a link node, that if the link node label is empty, it auto-inherits its name from the node output/input it is being wired to. A format that in…

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## [Reading data from influx with an index on mean](https://discourse.nodered.org/t/reading-data-from-influx-with-an-index-on-mean/72351)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 35\
**Last updated:** [18 December 2022 15:06 UTC](https://discourse.nodered.org/t/reading-data-from-influx-with-an-index-on-mean/72351 "2022-12-18T15:06:28Z")

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I am struggling with the way I must retrieve a variable amount of data from influx database. Data from database looks like this: So I get some 'mean' - values. But the amount of of (mean) values can differ, in my cas…

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## [Pop-up dialog window with group of ui-dashboard nodes](https://discourse.nodered.org/t/pop-up-dialog-window-with-group-of-ui-dashboard-nodes/72377)

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**Author:** [@probitie](https://discourse.nodered.org/u/probitie)\
**Replies:** 2\
**Last updated:** [18 December 2022 10:39 UTC](https://discourse.nodered.org/t/pop-up-dialog-window-with-group-of-ui-dashboard-nodes/72377 "2022-12-18T10:39:35Z")

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Hi. I'm using node-red v3.0.2 and node-red-dashboard module. I want to show a group of text input dashboard nodes (a list of options) in a pop-up window. I found a solution (but haven't tested it yet) - use dashboard n…

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## [Mechanical counter display](https://discourse.nodered.org/t/mechanical-counter-display/72078)

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**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 29\
**Last updated:** [18 December 2022 10:20 UTC](https://discourse.nodered.org/t/mechanical-counter-display/72078 "2022-12-18T10:20:22Z")

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Just for fun. \[{"id":"656888cd7308428e","type":"inject","z":"bf0d83d32eec75c2","name":"","props":\[{"p":"payload"},{"p":"topic","vt":"str"}\],"repeat":"1","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"…

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## [Cannot upgrade Node-Red\_email node to latest version](https://discourse.nodered.org/t/cannot-upgrade-node-red-email-node-to-latest-version/72292)

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**Author:** [@labob246](https://discourse.nodered.org/u/labob246)\
**Replies:** 2\
**Last updated:** [18 December 2022 07:16 UTC](https://discourse.nodered.org/t/cannot-upgrade-node-red-email-node-to-latest-version/72292 "2022-12-18T07:16:23Z")

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Currently on version 1.15.1 of node-red-node-email. Trying to upgrade using the manage pallet to 1.18.2 but it fails. Here is the error log: 15 Dec 20:49:57 - \[info\] Upgrading module: node-red-node-email to version: 1…

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## [Issues with formatting of data as input to pdf make](https://discourse.nodered.org/t/issues-with-formatting-of-data-as-input-to-pdf-make/72349)

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**Author:** [@saxenaramesh](https://discourse.nodered.org/u/saxenaramesh)\
**Replies:** 2\
**Last updated:** [18 December 2022 03:54 UTC](https://discourse.nodered.org/t/issues-with-formatting-of-data-as-input-to-pdf-make/72349 "2022-12-18T03:54:47Z")

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Continuing the discussion from MySQL Database Output (\>500 rows) to be added to pdfmake: Dear Sir, I am somehow stuck with one issue similar to above link where E1cid had helped me. I am trying to build a pdf report us…

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## [Node-red-contrib-tplink : was anybody able to set HS220 (dimmer) brightness](https://discourse.nodered.org/t/node-red-contrib-tplink-was-anybody-able-to-set-hs220-dimmer-brightness/72372)

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**Author:** [@alfort57](https://discourse.nodered.org/u/alfort57)\
**Replies:** 0\
**Last updated:** [18 December 2022 00:32 UTC](https://discourse.nodered.org/t/node-red-contrib-tplink-was-anybody-able-to-set-hs220-dimmer-brightness/72372 "2022-12-18T00:32:28Z")

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I am able to turn on and off my TP-link HS-220 but so far I am unable to change brightness using the control parameter. There are no errors on the output message from the tplink node. The relay status is correctly repor…

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## [How to fix edit panel min-width?](https://discourse.nodered.org/t/how-to-fix-edit-panel-min-width/72371)

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**Author:** [@tve](https://discourse.nodered.org/u/tve)\
**Replies:** 1\
**Last updated:** [18 December 2022 00:06 UTC](https://discourse.nodered.org/t/how-to-fix-edit-panel-min-width/72371 "2022-12-18T00:06:49Z")

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The edit panels of most of my FlexDash nodes somehow get a very wide minimum width. For example, for this FlexDash Container (grid or panel) config node the minimum width looks as follows: How is this minimum width d…

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## [Disable during deployment the config node if no active node](https://discourse.nodered.org/t/disable-during-deployment-the-config-node-if-no-active-node/72355)

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**Author:** [@GogoVega](https://discourse.nodered.org/u/GogoVega)\
**Replies:** 2\
**Last updated:** [17 December 2022 21:15 UTC](https://discourse.nodered.org/t/disable-during-deployment-the-config-node-if-no-active-node/72355 "2022-12-17T21:15:39Z")

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Hi all, I am developing a node whose config node establishes a connection with a server. When all nodes are disabled, the config node remains active and establishes a connection. Would it be possible to add an option d…

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## [Http request flow error](https://discourse.nodered.org/t/http-request-flow-error/72334)

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**Author:** [@om3rx](https://discourse.nodered.org/u/om3rx)\
**Replies:** 11\
**Last updated:** [17 December 2022 20:33 UTC](https://discourse.nodered.org/t/http-request-flow-error/72334 "2022-12-17T20:33:04Z")

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Hi, I have basic flow that triggers 5hours from a website everyday at 00:00 and write them in a times.txt file. Until Dec. 12th it was working but now I'm getting the error on the screenshot. \[{"id":"c905ee12da4445…

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## [Playing with 'matplotlib' with Python](https://discourse.nodered.org/t/playing-with-matplotlib-with-python/72362)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 0\
**Last updated:** [17 December 2022 19:14 UTC](https://discourse.nodered.org/t/playing-with-matplotlib-with-python/72362 "2022-12-17T19:14:20Z")

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I have a number of sensors around the periphery of my house that report temp/humidity/pressure readings to a database in London (as shown below) and also detect infrared status for my security cameras. Whilst helping…

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## [Have flow continue for a specific time then reset on a Remote](https://discourse.nodered.org/t/have-flow-continue-for-a-specific-time-then-reset-on-a-remote/72343)

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**Author:** [@FormBurden](https://discourse.nodered.org/u/FormBurden)\
**Replies:** 8\
**Last updated:** [17 December 2022 18:29 UTC](https://discourse.nodered.org/t/have-flow-continue-for-a-specific-time-then-reset-on-a-remote/72343 "2022-12-17T18:29:40Z")

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Apologize on the topic name, couldn't think of anything better. I'm using Node Red with ZHA Events from HA, and I'm using that on my Hue dimmer switch. What I'm trying to accomplish is lets say I have two lights. On (b…

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## [ Support for Matter Protocol](https://discourse.nodered.org/t/support-for-matter-protocol/72358)

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**Author:** [@Neirth](https://discourse.nodered.org/u/Neirth)\
**Replies:** 1\
**Last updated:** [17 December 2022 18:21 UTC](https://discourse.nodered.org/t/support-for-matter-protocol/72358 "2022-12-17T18:21:53Z")

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Hello! I was thinking that a collaborative effort could be made to support the Matter protocol for the smart home. Nodered, through 3rd party Plugins, has opened this possibility to the product. After the recent releas…

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## [How to Clear editor node status "Error" on "node-red-node-tail" node?](https://discourse.nodered.org/t/how-to-clear-editor-node-status-error-on-node-red-node-tail-node/72091)

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**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 8\
**Last updated:** [17 December 2022 18:18 UTC](https://discourse.nodered.org/t/how-to-clear-editor-node-status-error-on-node-red-node-tail-node/72091 "2022-12-17T18:18:57Z")

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File monitoring/reading had an error. "File not found". The system recovered when the file was available. However, there persists the red error node indicator in the editor. How can I clear this error without Resta…

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## [Help with node-red-node-twitter](https://discourse.nodered.org/t/help-with-node-red-node-twitter/72344)

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**Author:** [@quarfie](https://discourse.nodered.org/u/quarfie)\
**Replies:** 2\
**Last updated:** [17 December 2022 16:13 UTC](https://discourse.nodered.org/t/help-with-node-red-node-twitter/72344 "2022-12-17T16:13:02Z")

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I was looking to start experimenting with the Twitter API and node-red-node-twitter. But I get this error in the debug pane: "You currently have Essential access which includes access to Twitter API v2 endpoints only. …

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## [Json to influxdb - How to populate fields](https://discourse.nodered.org/t/json-to-influxdb-how-to-populate-fields/71630)

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**Author:** [@stayorso](https://discourse.nodered.org/u/stayorso)\
**Replies:** 9\
**Last updated:** [17 December 2022 15:49 UTC](https://discourse.nodered.org/t/json-to-influxdb-how-to-populate-fields/71630 "2022-12-17T15:49:59Z")

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Hello I'm trying to send data from MQTT to influxdb using json. So far I managed to send the data over to influx, but not in the intended way. I can import a single object from the json or all of them, but not 2/3/4..…

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## [Display flir rtsp camera streaming in Dashboard](https://discourse.nodered.org/t/display-flir-rtsp-camera-streaming-in-dashboard/71776)

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**Author:** [@rteissierducros](https://discourse.nodered.org/u/rteissierducros)\
**Replies:** 3\
**Last updated:** [17 December 2022 15:13 UTC](https://discourse.nodered.org/t/display-flir-rtsp-camera-streaming-in-dashboard/71776 "2022-12-17T15:13:01Z")

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Hi, I work a POC where I need to disply a FLIR thermal camera on my dashboard. Node red is working on a Windows 10 NUC PC. The camera is a Flir A700 that works with rtsp protocol. I have tried a lot of approach without …

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## [How to use this node? Blauberg-Vento](https://discourse.nodered.org/t/how-to-use-this-node-blauberg-vento/71893)

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**Author:** [@karloslb](https://discourse.nodered.org/u/karloslb)\
**Replies:** 7\
**Last updated:** [17 December 2022 13:51 UTC](https://discourse.nodered.org/t/how-to-use-this-node-blauberg-vento/71893 "2022-12-17T13:51:56Z")

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Hello everyone, I'm a beginner in node-red. I want to control my ventilationsystem with heat recovery. I found and installed this node: https://libraries.io/npm/@michaelkrog%2Fnode-red-contrib-blauberg-vento In the…

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## [Command object design pattern flow updated](https://discourse.nodered.org/t/command-object-design-pattern-flow-updated/72186)

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**Author:** [@r0ller](https://discourse.nodered.org/u/r0ller)\
**Replies:** 2\
**Last updated:** [17 December 2022 12:49 UTC](https://discourse.nodered.org/t/command-object-design-pattern-flow-updated/72186 "2022-12-17T12:49:15Z")

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Hi All, If anyone is interested, I've just updated the flow in the flow library to use the link call node which replaced the switches used previously for the link out nodes and therefore simplified the overall picture. …

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## [Modbustcp-read Function Script](https://discourse.nodered.org/t/modbustcp-read-function-script/71034)

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**Author:** [@Cupra85](https://discourse.nodered.org/u/Cupra85)\
**Replies:** 84\
**Last updated:** [17 December 2022 11:31 UTC](https://discourse.nodered.org/t/modbustcp-read-function-script/71034 "2022-12-17T11:31:11Z")

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Hi at all, I would like to connect my pool meter to Homematic via node-red. The connection to the device works. I need 3 registers that I read with modbustcp-read and then want to split into 3 channels with function. …

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## [An oldshcool gauge](https://discourse.nodered.org/t/an-oldshcool-gauge/72313)

<div class="topic-metadata">

**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 4\
**Last updated:** [17 December 2022 09:32 UTC](https://discourse.nodered.org/t/an-oldshcool-gauge/72313 "2022-12-17T09:32:35Z")

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Just for fun. \[{"id":"1e1a0b8d6b5f1c5a","type":"ui\_template","z":"bf0d83d32eec75c2","group":"55888982bdd0637f","name":"oldscool-gauge with blue negative digits","order":6,"width":"6","height":"1","format":"\<style\>\\n …

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## [Gafana Canvas - beta](https://discourse.nodered.org/t/gafana-canvas-beta/72345)

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**Author:** [@iiLaw](https://discourse.nodered.org/u/iiLaw)\
**Replies:** 1\
**Last updated:** [17 December 2022 09:22 UTC](https://discourse.nodered.org/t/gafana-canvas-beta/72345 "2022-12-17T09:22:36Z")

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So at long last something almost usable has emerged. Here is a short vid of the Gafana Canvas panel I will spin this up over the holiday period & post back on my findings.

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