# Latest **URL:** https://discourse.nodered.org/latest.md?page=612 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 613 --- ## [HTML request via Function node](https://discourse.nodered.org/t/html-request-via-function-node/59545)
**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\ **Replies:** 5\ **Last updated:** [8 March 2022 23:16 UTC](https://discourse.nodered.org/t/html-request-via-function-node/59545 "2022-03-08T23:16:30Z")
Full disclosure, I'm not very adept at HTML, I don't even like it (nothing intuitive about it). I'm trying to set up access to the Ecobee server to read / control thermostats. This "may" become my first attempt at cre… --- ## [Use a POE switch to power ESP32 wired](https://discourse.nodered.org/t/use-a-poe-switch-to-power-esp32-wired/58696)
**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\ **Replies:** 29\ **Last updated:** [8 March 2022 20:14 UTC](https://discourse.nodered.org/t/use-a-poe-switch-to-power-esp32-wired/58696 "2022-03-08T20:14:55Z")
Hi folks, @dynamicdave and @zenofmud have been helping me tremendously to get up and running with EspEasy on Wemo D1 mini devices :pray: So I have a couple of those running already via WIFI. Works very nice! But now … --- ## [Values changing](https://discourse.nodered.org/t/values-changing/59131)
**Author:** [@Herbert](https://discourse.nodered.org/u/Herbert)\ **Replies:** 9\ **Last updated:** [8 March 2022 20:10 UTC](https://discourse.nodered.org/t/values-changing/59131 "2022-03-08T20:10:54Z")
Hello experts, I have a question about MQTT value changes. My photovoltaik (PV) system is displayes in green, the load from house in red. You can see the load starts ab 1500W and go ahead... At Time 14:29 the load … --- ## [Recursive treeList](https://discourse.nodered.org/t/recursive-treelist/59543)
**Author:** [@cloud-rocket](https://discourse.nodered.org/u/cloud-rocket)\ **Replies:** 1\ **Last updated:** [8 March 2022 18:26 UTC](https://discourse.nodered.org/t/recursive-treelist/59543 "2022-03-08T18:26:31Z")
I'd like to use treeList widget to allow a user to select nodes from a huge data tree (file system). A specific node content can be loaded dynamically using $.getJSON with a "path" argument. I noticed that treeList supp… --- ## [Node-red-dashboard switch button problem](https://discourse.nodered.org/t/node-red-dashboard-switch-button-problem/59542)
**Author:** [@SHAMOO](https://discourse.nodered.org/u/SHAMOO)\ **Replies:** 7\ **Last updated:** [8 March 2022 18:10 UTC](https://discourse.nodered.org/t/node-red-dashboard-switch-button-problem/59542 "2022-03-08T18:10:44Z")
Hi folks, I'm very green to this whole thing (downloaded Mosquitto exactly a week ago, Node-RED a day or two later, working on this project at work while doing my other duties) so please excuse me if I'm missing a fundam… --- ## [Node-red : switch - strange behaviour](https://discourse.nodered.org/t/node-red-switch-strange-behaviour/59529)
**Author:** [@ylechasseur](https://discourse.nodered.org/u/ylechasseur)\ **Replies:** 13\ **Last updated:** [8 March 2022 17:23 UTC](https://discourse.nodered.org/t/node-red-switch-strange-behaviour/59529 "2022-03-08T17:23:37Z")
OS: Windows 11 Dashboard version: 2.2.0 All my nodes are to the latest version. Browser: Chrome Hi, I am not sure if this strange behaviour happened after a node-red update. I am using the switch node ( not from th… --- ## [Flow doesnt read data from xlsx](https://discourse.nodered.org/t/flow-doesnt-read-data-from-xlsx/59538)
**Author:** [@milner236](https://discourse.nodered.org/u/milner236)\ **Replies:** 9\ **Last updated:** [8 March 2022 16:10 UTC](https://discourse.nodered.org/t/flow-doesnt-read-data-from-xlsx/59538 "2022-03-08T16:10:30Z")
Hello everyone. I have created a flow that watches for excel files in a folder, then writes the data from the excel file to an MSSQL database. For a strange reason, my flow does not read the data from the excel file. It… --- ## [Raspberry Pi Zero Errors](https://discourse.nodered.org/t/raspberry-pi-zero-errors/59496)
**Author:** [@jsail](https://discourse.nodered.org/u/jsail)\ **Replies:** 7\ **Last updated:** [8 March 2022 15:38 UTC](https://discourse.nodered.org/t/raspberry-pi-zero-errors/59496 "2022-03-08T15:38:36Z")
Hello, a fresh new Raspien runns well on a Pi3B. When I insert the same microSD to my Raspberry Pi Zero, NodeRed does not Start. I get the followin Errors: Start Node-RED Once Node-RED has started, point a browser at … --- ## [Themes from themes collection not applied on startup on Chrome](https://discourse.nodered.org/t/themes-from-themes-collection-not-applied-on-startup-on-chrome/59383)
**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\ **Replies:** 2\ **Last updated:** [8 March 2022 14:44 UTC](https://discourse.nodered.org/t/themes-from-themes-collection-not-applied-on-startup-on-chrome/59383 "2022-03-08T14:44:36Z")
I have a rather annoying symptom when using @node-red-contrib-themes/midnight-red (latest - 2.2.0) with Chrome (on Ubuntu). \[Edit: In fact this applies to other themes in the collection too\] If I stop and restart node r… --- ## [Docker to test out my feature branch of my node in docker?](https://discourse.nodered.org/t/docker-to-test-out-my-feature-branch-of-my-node-in-docker/59508)
**Author:** [@ncherry](https://discourse.nodered.org/u/ncherry)\ **Replies:** 4\ **Last updated:** [8 March 2022 13:09 UTC](https://discourse.nodered.org/t/docker-to-test-out-my-feature-branch-of-my-node-in-docker/59508 "2022-03-08T13:09:47Z")
My goal is to use the latest node-red in docker to test out my feature branch of my node in docker. I scarfed up the latest minimal docker container with: docker run -it -p 2880:1880 -v node\_red\_data:/data --name mynod… --- ## [Jsonata to chart when payload data has extra \[ \]](https://discourse.nodered.org/t/jsonata-to-chart-when-payload-data-has-extra/59532)
**Author:** [@Auto351](https://discourse.nodered.org/u/Auto351)\ **Replies:** 3\ **Last updated:** [8 March 2022 10:36 UTC](https://discourse.nodered.org/t/jsonata-to-chart-when-payload-data-has-extra/59532 "2022-03-08T10:36:23Z")
Hello. I'm trying to produce a Node-Red chart from SQLite. I'm stuck on the Jsonata expression and its due to extra layer of "\[ \]" with in the payload. please ref to the image below. If i remove these "\[ \]"… --- ## [\[lateral scrollbar\] \[not present \] \[when groups had been fixed\]](https://discourse.nodered.org/t/lateral-scrollbar-not-present-when-groups-had-been-fixed/59534)
**Author:** [@JulesRosette](https://discourse.nodered.org/u/JulesRosette)\ **Replies:** 1\ **Last updated:** [8 March 2022 11:05 UTC](https://discourse.nodered.org/t/lateral-scrollbar-not-present-when-groups-had-been-fixed/59534 "2022-03-08T11:05:35Z")
Hi NR community, i meet a particular situation. On my dashboard,i got diferent groups and it's possible to visualize all of them (even the screen down ones) by using the scrolling bar on the right side. BUT as soon as… --- ## [Sending a body for http request outside the node](https://discourse.nodered.org/t/sending-a-body-for-http-request-outside-the-node/59526)
**Author:** [@Milanovic](https://discourse.nodered.org/u/Milanovic)\ **Replies:** 10\ **Last updated:** [8 March 2022 11:04 UTC](https://discourse.nodered.org/t/sending-a-body-for-http-request-outside-the-node/59526 "2022-03-08T11:04:51Z")
Hi, I want to send a http request but I need to send a body with it. This I want to do with a template node. But when I send it, it doesn't work. --- ## [How to replace node-RED frontend](https://discourse.nodered.org/t/how-to-replace-node-red-frontend/59527)
**Author:** [@namph-sgn](https://discourse.nodered.org/u/namph-sgn)\ **Replies:** 4\ **Last updated:** [8 March 2022 10:35 UTC](https://discourse.nodered.org/t/how-to-replace-node-red-frontend/59527 "2022-03-08T10:35:58Z")
Hi all, I currently developing an application using Jointjs as the diagraming library. I have read the node-RED documents and I'd love to use node-RED runtime as the backend for my application. Is it possible and where… --- ## [How to change state of the switch](https://discourse.nodered.org/t/how-to-change-state-of-the-switch/59514)
**Author:** [@alda](https://discourse.nodered.org/u/alda)\ **Replies:** 36\ **Last updated:** [8 March 2022 10:15 UTC](https://discourse.nodered.org/t/how-to-change-state-of-the-switch/59514 "2022-03-08T10:15:48Z")
I have simple flow where I can enable/disable button and when is clicked, only 5sec delay is done. My question is, if is possible somehow implement this: When delay is finished that button is again disabled and when bu… --- ## [Node-Red data showing NaN](https://discourse.nodered.org/t/node-red-data-showing-nan/59519)
**Author:** [@weishoose](https://discourse.nodered.org/u/weishoose)\ **Replies:** 8\ **Last updated:** [8 March 2022 09:20 UTC](https://discourse.nodered.org/t/node-red-data-showing-nan/59519 "2022-03-08T09:20:22Z")
Hello everybody! I'm new to Node-Red so please go easy on me :slightly\_smiling\_face: I am trying to populate sensor data collected from an Arduino on to google sheets using Node-Red. However, the sensor data comes out … --- ## [How to parse JSON object to value](https://discourse.nodered.org/t/how-to-parse-json-object-to-value/59217)
**Author:** [@mrrobot](https://discourse.nodered.org/u/mrrobot)\ **Replies:** 1\ **Last updated:** [2 March 2022 09:09 UTC](https://discourse.nodered.org/t/how-to-parse-json-object-to-value/59217 "2022-03-02T09:09:15Z")
Hi @Steve-Mcl and everyone, Please help and advise how to parse JSON object to value. Expected value is need data timings value of sunrise, sunset, midnight and date readable Already try to create a flow and have erro… --- ## [Calculating with several if loops](https://discourse.nodered.org/t/calculating-with-several-if-loops/59490)
**Author:** [@Milanovic](https://discourse.nodered.org/u/Milanovic)\ **Replies:** 1\ **Last updated:** [7 March 2022 15:34 UTC](https://discourse.nodered.org/t/calculating-with-several-if-loops/59490 "2022-03-07T15:34:25Z")
Hi I have a dashboard with 3 options, when 1 is chosen there must be made a calculation. This choice is a string, but how can I say: if the string is equal with the other. Like in this case I choosed 3 x 230 in a norm… --- ## [Chart after refreshing the page becomes disrupted](https://discourse.nodered.org/t/chart-after-refreshing-the-page-becomes-disrupted/58037)
**Author:** [@Sulomus](https://discourse.nodered.org/u/Sulomus)\ **Replies:** 3\ **Last updated:** [8 March 2022 06:35 UTC](https://discourse.nodered.org/t/chart-after-refreshing-the-page-becomes-disrupted/58037 "2022-03-08T06:35:18Z")
Hello everyone, I have an issue with fairly simple task in NodeRed. For now I am trying to generate random data and display them on a chart. Everything works fine but after I reload the page the chart collapses and bec… --- ## [Node red OPC UA server not updating](https://discourse.nodered.org/t/node-red-opc-ua-server-not-updating/59214)
**Author:** [@dinesh](https://discourse.nodered.org/u/dinesh)\ **Replies:** 7\ **Last updated:** [8 March 2022 00:29 UTC](https://discourse.nodered.org/t/node-red-opc-ua-server-not-updating/59214 "2022-03-08T00:29:58Z")
Hi, I am setting up OPC UA server(0.2.236) in node red. Using some online code I was able to set it up. However, when Using Prosys OPC UA Client for testing, i'm able to to see the variable but the problem it is not u… --- ## [Could someone please tell me if they can get this node installed and fully working?](https://discourse.nodered.org/t/could-someone-please-tell-me-if-they-can-get-this-node-installed-and-fully-working/58848)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 31\ **Last updated:** [8 March 2022 00:05 UTC](https://discourse.nodered.org/t/could-someone-please-tell-me-if-they-can-get-this-node-installed-and-fully-working/58848 "2022-03-08T00:05:55Z")
I feel I have to ask. I am really not getting anywhere and am starting to clutch at straws to find out why it won't work now. Node: node-red-node-pi-neopixel I am installing it from the CLI and it is complaining that… --- ## [UI Text box line size or vertical spacing](https://discourse.nodered.org/t/ui-text-box-line-size-or-vertical-spacing/59384)
**Author:** [@Rgrove](https://discourse.nodered.org/u/Rgrove)\ **Replies:** 2\ **Last updated:** [7 March 2022 22:27 UTC](https://discourse.nodered.org/t/ui-text-box-line-size-or-vertical-spacing/59384 "2022-03-07T22:27:11Z")
I'm using a lot of text boxes to show ping-response status, but the box seems to take up twice the space I need. In the attached, I could fit another entry in each of the gaps between text lines. Is there a way to shrin… --- ## [Advice needed on migrating a NR project to a Cloud based solution](https://discourse.nodered.org/t/advice-needed-on-migrating-a-nr-project-to-a-cloud-based-solution/59515)
**Author:** [@CreativeWarlock](https://discourse.nodered.org/u/CreativeWarlock)\ **Replies:** 0\ **Last updated:** [7 March 2022 22:04 UTC](https://discourse.nodered.org/t/advice-needed-on-migrating-a-nr-project-to-a-cloud-based-solution/59515 "2022-03-07T22:04:07Z")
Hi guys. I would like to ask for your advice on a project that I've been working for many years now. It's using Node-Red, MongoDB, mySQL. All three are running in separate docker instances on my Synology NAS. In the ne… --- ## [Round all values of an object (2)](https://discourse.nodered.org/t/round-all-values-of-an-object-2/59410)
**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\ **Replies:** 10\ **Last updated:** [7 March 2022 21:30 UTC](https://discourse.nodered.org/t/round-all-values-of-an-object-2/59410 "2022-03-07T21:30:30Z")
Hi, is it possible to round all values of an object with "parseFloat" like this: Object.entries(msg.payload).forEach((v) =\>{ msg.payload\[v\[0\]\] = Math.round(v\[1\]); }) return msg; but with any decimal places like pa… --- ## [Dashboard time picker send payload after button is pressed](https://discourse.nodered.org/t/dashboard-time-picker-send-payload-after-button-is-pressed/58770)
**Author:** [@gschmidt](https://discourse.nodered.org/u/gschmidt)\ **Replies:** 20\ **Last updated:** [7 March 2022 20:48 UTC](https://discourse.nodered.org/t/dashboard-time-picker-send-payload-after-button-is-pressed/58770 "2022-03-07T20:48:56Z")
Hi, I am trying to create with dashboard functions a "week timer" that starts an internet radio stream on a google home device if the selected time is true But I already get stuck with the time picker and SET button. … --- ## [Enable/disable button via switch](https://discourse.nodered.org/t/enable-disable-button-via-switch/59497)
**Author:** [@alda](https://discourse.nodered.org/u/alda)\ **Replies:** 2\ **Last updated:** [7 March 2022 17:42 UTC](https://discourse.nodered.org/t/enable-disable-button-via-switch/59497 "2022-03-07T17:42:04Z")
I want enable/disable a button with switch, but not working for me. What is wrong ? : \[{"id":"fb381298223f4873","type":"ui\_button","z":"59fb2f9263e14661","name":"","group":"8c11279992e11f1f","order":7,"width":0,"height"… --- ## [Snapshot tool to update UI table, last missing piece: implement timer/stopwatch problems](https://discourse.nodered.org/t/snapshot-tool-to-update-ui-table-last-missing-piece-implement-timer-stopwatch-problems/59370)
**Author:** [@WBr](https://discourse.nodered.org/u/WBr)\ **Replies:** 21\ **Last updated:** [7 March 2022 20:13 UTC](https://discourse.nodered.org/t/snapshot-tool-to-update-ui-table-last-missing-piece-implement-timer-stopwatch-problems/59370 "2022-03-07T20:13:31Z")
Dear all. Before I begin my question, first a big thanks to @Christian-Me who helped me intensively with making this flow. Introduction to the question. I run experiments (I am a chemist and teacher). In these experim… --- ## [Node-Red MySQL 1.0.1 crashing MySQL](https://discourse.nodered.org/t/node-red-mysql-1-0-1-crashing-mysql/59409)
**Author:** [@HarryPottar](https://discourse.nodered.org/u/HarryPottar)\ **Replies:** 4\ **Last updated:** [7 March 2022 19:42 UTC](https://discourse.nodered.org/t/node-red-mysql-1-0-1-crashing-mysql/59409 "2022-03-07T19:42:53Z")
HI, Running into odd MySQL issue where high use of ram then crashes. I have node red and mysql running in a kubernetes cluster, each in their own container. I have given MySQL 16gb of ram. Nothing else is running, I'm … --- ## [Sample flow for including JS file](https://discourse.nodered.org/t/sample-flow-for-including-js-file/59454)
**Author:** [@KevinT](https://discourse.nodered.org/u/KevinT)\ **Replies:** 6\ **Last updated:** [7 March 2022 19:12 UTC](https://discourse.nodered.org/t/sample-flow-for-including-js-file/59454 "2022-03-07T19:12:25Z")
I am trying to build a flow to generate and display an html-page with an included js files. As this is on the edge of my capabilities and it took me a little effort to set up my docker system I would like to test it bef… --- ## [OPC UA to Modbus TCP/IP Slave](https://discourse.nodered.org/t/opc-ua-to-modbus-tcp-ip-slave/59507)
**Author:** [@Tariqb15](https://discourse.nodered.org/u/Tariqb15)\ **Replies:** 0\ **Last updated:** [7 March 2022 18:48 UTC](https://discourse.nodered.org/t/opc-ua-to-modbus-tcp-ip-slave/59507 "2022-03-07T18:48:36Z")
Hello, Is there a way to Get the data from OPC Client then Convert it into a modbus TCP/IP Slave ?? Do you guys have an example for this !! Thank you, [Previous page](https://discourse.nodered.org/latest.md?page=611) [Next page](https://discourse.nodered.org/latest.md?page=613)