# Latest **URL:** https://discourse.nodered.org/latest.md?page=223 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 224 --- ## [Vuetify file upload - v-file-input](https://discourse.nodered.org/t/vuetify-file-upload-v-file-input/86087)
**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\ **Replies:** 4\ **Last updated:** [6 March 2024 20:40 UTC](https://discourse.nodered.org/t/vuetify-file-upload-v-file-input/86087 "2024-03-06T20:40:06Z")
I wanted to understand how I can upload a file using Vuetify components. I was not really sure about entire concept how it should work, as the v-file-input only facilitates the UI part of it, and I was not sure how the u… --- ## [Air-gapped Node-RED instance - how to update palette and function node modules](https://discourse.nodered.org/t/air-gapped-node-red-instance-how-to-update-palette-and-function-node-modules/86195)
**Author:** [@christopher-lambe](https://discourse.nodered.org/u/christopher-lambe)\ **Replies:** 4\ **Last updated:** [6 March 2024 20:08 UTC](https://discourse.nodered.org/t/air-gapped-node-red-instance-how-to-update-palette-and-function-node-modules/86195 "2024-03-06T20:08:28Z")
I need to install Node-RED on a air-gapped server. Below is a brief overview of my standard way to install Node-RED as an enterprise system. I reckon if I install on a networked server and copied the node-red folder ove… --- ## [NodeRED couldn´t install - Nodejs Bad install: Node.js missing](https://discourse.nodered.org/t/nodered-couldn-t-install-nodejs-bad-install-node-js-missing/86121)
**Author:** [@Herbert](https://discourse.nodered.org/u/Herbert)\ **Replies:** 17\ **Last updated:** [6 March 2024 19:56 UTC](https://discourse.nodered.org/t/nodered-couldn-t-install-nodejs-bad-install-node-js-missing/86121 "2024-03-06T19:56:10Z")
Hello, I have a fresh Raspberry Pi 32bit OS Bullseye with desktop. I have a failure while install process: This can take 20-30 minutes on the slower Pi versions - please wait. Stop Node-RED ✔ … --- ## [Node-Red consuming 100% CPU](https://discourse.nodered.org/t/node-red-consuming-100-cpu/85979)
**Author:** [@dr\_cave\_dweller](https://discourse.nodered.org/u/dr_cave_dweller)\ **Replies:** 8\ **Last updated:** [6 March 2024 19:35 UTC](https://discourse.nodered.org/t/node-red-consuming-100-cpu/85979 "2024-03-06T19:35:49Z")
Hello, I have a strange problem I can not get to the bottom of. Firstly, I started using Node-Red a long time ago on a project that has morphed and grown, and in retrospect Node-Red ios the wrong approach, it has grown… --- ## [How to make the dashboard-button in dashboard receive press&hold input](https://discourse.nodered.org/t/how-to-make-the-dashboard-button-in-dashboard-receive-press-hold-input/86205)
**Author:** [@Long4](https://discourse.nodered.org/u/Long4)\ **Replies:** 5\ **Last updated:** [6 March 2024 19:34 UTC](https://discourse.nodered.org/t/how-to-make-the-dashboard-button-in-dashboard-receive-press-hold-input/86205 "2024-03-06T19:34:52Z")
Hi I'm new to node-red and just learning how to make some simple application, I'd like to ask a few question 1/ How can I make the dashboard receive press and hold input? I can do press once, but I have no clue how to d… --- ## [Cant ping from Flow](https://discourse.nodered.org/t/cant-ping-from-flow/86197)
**Author:** [@Homerjsimpson137](https://discourse.nodered.org/u/Homerjsimpson137)\ **Replies:** 3\ **Last updated:** [6 March 2024 18:44 UTC](https://discourse.nodered.org/t/cant-ping-from-flow/86197 "2024-03-06T18:44:09Z")
New to Node-Red but loving it so far. Got an issue on a flow that where I'm trying to ping my printer IP address or local host as Node-Red is installed locally on my windows PC. I can ping my printer from a windows CMD… --- ## [Using TickTockDB (open source Time Series DataBase) on RPI 2 model B or RPI 3 and Node-red](https://discourse.nodered.org/t/using-ticktockdb-open-source-time-series-database-on-rpi-2-model-b-or-rpi-3-and-node-red/84873)
**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\ **Replies:** 21\ **Last updated:** [6 March 2024 17:06 UTC](https://discourse.nodered.org/t/using-ticktockdb-open-source-time-series-database-on-rpi-2-model-b-or-rpi-3-and-node-red/84873 "2024-03-06T17:06:35Z")
I stumbled on Ticktockdb awhile ago and decided to try it as a replacement for Influx. After some starts and stops, I got it to install on a Rpi 2 Model B and it is running with no problems that I see. I have three sens… --- ## [Help with errors](https://discourse.nodered.org/t/help-with-errors/86194)
**Author:** [@IanI](https://discourse.nodered.org/u/IanI)\ **Replies:** 2\ **Last updated:** [6 March 2024 16:56 UTC](https://discourse.nodered.org/t/help-with-errors/86194 "2024-03-06T16:56:02Z")
I usually run Node-Red (3.1.6) (Node.js 20.11.1) as a service in Windows and so don't see the startup log. Today I had occasion to run from the command line and saw the following; Unhandled rejection Error: No sockets a… --- ## [Styling the dashboard notification](https://discourse.nodered.org/t/styling-the-dashboard-notification/86184)
**Author:** [@Erissin\_Industria4.0](https://discourse.nodered.org/u/Erissin_Industria4.0)\ **Replies:** 6\ **Last updated:** [6 March 2024 16:50 UTC](https://discourse.nodered.org/t/styling-the-dashboard-notification/86184 "2024-03-06T16:50:59Z")
Hello, I'm trying to style my "notification" node with the template node but I don't know why it's not changing the color and border Follow my flow below: \[{"id":"e178618d12a06b0e","type":"tab","label":"Flow 1","disabl… --- ## [HELP extract data from object/json](https://discourse.nodered.org/t/help-extract-data-from-object-json/86168)
**Author:** [@maury77](https://discourse.nodered.org/u/maury77)\ **Replies:** 5\ **Last updated:** [6 March 2024 16:09 UTC](https://discourse.nodered.org/t/help-extract-data-from-object-json/86168 "2024-03-06T16:09:44Z")
Sorry but I have need to parse this object I want extra VolV for each element of array {"topic":"energy\_measurs","payload":{"serial":"A07766","measurs":\[{"phaseId":0,"voltV":223,"currentA":2.038,"powerW":364,"powerF… --- ## [Control radiator with wire pilot](https://discourse.nodered.org/t/control-radiator-with-wire-pilot/85950)
**Author:** [@bpi2008](https://discourse.nodered.org/u/bpi2008)\ **Replies:** 23\ **Last updated:** [6 March 2024 15:30 UTC](https://discourse.nodered.org/t/control-radiator-with-wire-pilot/85950 "2024-03-06T15:30:45Z")
Hello everyone, I can't find a topic how to control a radiator with a pilot wire. Does anyone have an example? --- ## [Only pages contains a group are displayed in the sort order](https://discourse.nodered.org/t/only-pages-contains-a-group-are-displayed-in-the-sort-order/86193)
**Author:** [@diegodamaceno](https://discourse.nodered.org/u/diegodamaceno)\ **Replies:** 1\ **Last updated:** [6 March 2024 15:07 UTC](https://discourse.nodered.org/t/only-pages-contains-a-group-are-displayed-in-the-sort-order/86193 "2024-03-06T15:07:43Z")
So, take a look at the following problem. When creating an element "Page-Scoped" being displayed on a page that only contains it, the page does not appear in the ordering. Only when the page contains a group is it displa… --- ## [Dashboard 2 Migration](https://discourse.nodered.org/t/dashboard-2-migration/86182)
**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\ **Replies:** 4\ **Last updated:** [6 March 2024 14:14 UTC](https://discourse.nodered.org/t/dashboard-2-migration/86182 "2024-03-06T14:14:43Z")
I ve a question to my shared project: my dashboard As you can see on my initial at this topic it uses thousands of Dashboard 1.0 elements. Now I am thinking about porting it to Dashboard 2.0 and that makes me a bit sle… --- ## [I need help again, problem with Object array with 3 values into a function node](https://discourse.nodered.org/t/i-need-help-again-problem-with-object-array-with-3-values-into-a-function-node/86164)
**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\ **Replies:** 11\ **Last updated:** [6 March 2024 13:30 UTC](https://discourse.nodered.org/t/i-need-help-again-problem-with-object-array-with-3-values-into-a-function-node/86164 "2024-03-06T13:30:18Z")
Hi, What am I doing wrong, I have wasted hours trying to find out ! I only want the object array with 3 values to go into my database once. I have an object array with 3 values I also have another object wi… --- ## [Visual Debug tracing](https://discourse.nodered.org/t/visual-debug-tracing/86115)
**Author:** [@SynoUser-NL](https://discourse.nodered.org/u/SynoUser-NL)\ **Replies:** 4\ **Last updated:** [6 March 2024 13:15 UTC](https://discourse.nodered.org/t/visual-debug-tracing/86115 "2024-03-06T13:15:49Z")
When hovering over a debug message in the Debug window, the corresponding Debug node is highlighed with an orange dotted line. This is excellent and very helpful of course. I am wondering why this does not work the othe… --- ## [Create a database in nodered (bosch ctrlx core)](https://discourse.nodered.org/t/create-a-database-in-nodered-bosch-ctrlx-core/86183)
**Author:** [@baboski](https://discourse.nodered.org/u/baboski)\ **Replies:** 8\ **Last updated:** [6 March 2024 10:30 UTC](https://discourse.nodered.org/t/create-a-database-in-nodered-bosch-ctrlx-core/86183 "2024-03-06T10:30:33Z")
Hello, as i wrote in the title i need a database for my nodered application, my problem is that i'm using nodered on a particular offline machine in which i can't install others program except nodered so i can't use an e… --- ## [How does zwave work with thermostats? And is LUX KONOz supported](https://discourse.nodered.org/t/how-does-zwave-work-with-thermostats-and-is-lux-konoz-supported/86175)
**Author:** [@mchahn](https://discourse.nodered.org/u/mchahn)\ **Replies:** 2\ **Last updated:** [6 March 2024 10:18 UTC](https://discourse.nodered.org/t/how-does-zwave-work-with-thermostats-and-is-lux-konoz-supported/86175 "2024-03-06T10:18:07Z")
I want to use a LUX KONO thermostat with an API. The wifi version doesn't support an API. Does anyone know if the zwave version will? And, do all ZWAVE thermostats support the full access features like room temp, sett… --- ## [JSONata examples flows.node-red.org not working](https://discourse.nodered.org/t/jsonata-examples-flows-node-red-org-not-working/86179)
**Author:** [@christopher-lambe](https://discourse.nodered.org/u/christopher-lambe)\ **Replies:** 1\ **Last updated:** [6 March 2024 08:45 UTC](https://discourse.nodered.org/t/jsonata-examples-flows-node-red-org-not-working/86179 "2024-03-06T08:45:49Z")
Hi, I am tring to improve my JSONata skills (Yup, I'm a SQL guy loving JSONata aggregate functions...) So I downloaded the flows from https://flows.nodered.org/flow/29fd01f8a62fec86d875ecbd68001cb0 and tried them out. A… --- ## [OR latch with a reset?](https://discourse.nodered.org/t/or-latch-with-a-reset/86167)
**Author:** [@Goldog](https://discourse.nodered.org/u/Goldog)\ **Replies:** 3\ **Last updated:** [6 March 2024 01:19 UTC](https://discourse.nodered.org/t/or-latch-with-a-reset/86167 "2024-03-06T01:19:13Z")
Hi, I have a project where I want to measure the pressure drop across a filter bank supplied by 2 pumps. I need either a function or group of nodes that trigger the pressure drop calculation flow 5 seconds after either… --- ## ["TypeError: Cannot read properties of undefined (reading 'toString')" when sending reset to TCP node](https://discourse.nodered.org/t/typeerror-cannot-read-properties-of-undefined-reading-tostring-when-sending-reset-to-tcp-node/86176)
**Author:** [@FloRu](https://discourse.nodered.org/u/FloRu)\ **Replies:** 3\ **Last updated:** [5 March 2024 23:45 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-properties-of-undefined-reading-tostring-when-sending-reset-to-tcp-node/86176 "2024-03-05T23:45:31Z")
Continuing the discussion from Force disconnection of TCP connection: Today I tried to disconnect the newly connected TCP request node (using 2 connections, one on port 1111 and the second to the same server, port 1112)… --- ## [Background image](https://discourse.nodered.org/t/background-image/86171)
**Author:** [@Youssef](https://discourse.nodered.org/u/Youssef)\ **Replies:** 1\ **Last updated:** [5 March 2024 22:58 UTC](https://discourse.nodered.org/t/background-image/86171 "2024-03-05T22:58:21Z")
Hi at all , i want to add a picture to background dashboard i read most of question i want to know how to changing http static and why when i want to oppen settings.js in my computer i haver error message --- ## [Bug: ui-text-input : trigger on Focus Leave after Enter](https://discourse.nodered.org/t/bug-ui-text-input-trigger-on-focus-leave-after-enter/86125)
**Author:** [@SynoUser-NL](https://discourse.nodered.org/u/SynoUser-NL)\ **Replies:** 8\ **Last updated:** [5 March 2024 22:52 UTC](https://discourse.nodered.org/t/bug-ui-text-input-trigger-on-focus-leave-after-enter/86125 "2024-03-05T22:52:46Z")
When entering input and pressing the Enter, the input is sent to start a flow. All good.. However, when clicking outside the input field after the initial input has been sent, the same input is sent again (triggering th… --- ## [Udp out error EACCESS](https://discourse.nodered.org/t/udp-out-error-eaccess/86127)
**Author:** [@AE8U](https://discourse.nodered.org/u/AE8U)\ **Replies:** 15\ **Last updated:** [5 March 2024 22:18 UTC](https://discourse.nodered.org/t/udp-out-error-eaccess/86127 "2024-03-05T22:18:11Z")
I am running Ubuntu Budgie 22.04.3 on a Raspberry Pi 4B. I am running Node-RED and I am trying to use a flow that has a UDP out node. I am trying to use that node to broadcast a UDP message to port 12020 on my local netw… --- ## [TCP In node does not like environment variables](https://discourse.nodered.org/t/tcp-in-node-does-not-like-environment-variables/86147)
**Author:** [@maximus](https://discourse.nodered.org/u/maximus)\ **Replies:** 3\ **Last updated:** [5 March 2024 20:18 UTC](https://discourse.nodered.org/t/tcp-in-node-does-not-like-environment-variables/86147 "2024-03-05T20:18:00Z")
When writing a variable name on the TCP In node port, it works as expected but the node shows the little red triangle and a warning is displayed when deploying the flow. Is this expected behaviour or can I open an issue… --- ## [Issues on exporting / importing flows using the api](https://discourse.nodered.org/t/issues-on-exporting-importing-flows-using-the-api/84900)
**Author:** [@msmthng](https://discourse.nodered.org/u/msmthng)\ **Replies:** 15\ **Last updated:** [5 March 2024 19:44 UTC](https://discourse.nodered.org/t/issues-on-exporting-importing-flows-using-the-api/84900 "2024-03-05T19:44:07Z")
i have two instances of node red running, i would like to copy a given flow from instance one to instance two. flow\_id = '8429e42d5be21f50' handler.get\_flow(flow\_id) print(json.dumps(flow, indent=4)) provides: {'dis… --- ## [Node-red-contrib-oauth2 no access token in response- email in O365](https://discourse.nodered.org/t/node-red-contrib-oauth2-no-access-token-in-response-email-in-o365/86061)
**Author:** [@hadwll](https://discourse.nodered.org/u/hadwll)\ **Replies:** 2\ **Last updated:** [5 March 2024 16:48 UTC](https://discourse.nodered.org/t/node-red-contrib-oauth2-no-access-token-in-response-email-in-o365/86061 "2024-03-05T16:48:08Z")
I am working to setup an emailer in office 365, one of the steps is to setup Oauth2 I have read the documentation and have done the following registered with Microsoft Entra. Created an access token Created Applicatio… --- ## [Raspberry 4 reboots just after starting node-red](https://discourse.nodered.org/t/raspberry-4-reboots-just-after-starting-node-red/86138)
**Author:** [@marcpouliot](https://discourse.nodered.org/u/marcpouliot)\ **Replies:** 8\ **Last updated:** [5 March 2024 16:28 UTC](https://discourse.nodered.org/t/raspberry-4-reboots-just-after-starting-node-red/86138 "2024-03-05T16:28:04Z")
I issue a node-red-start on raspberry pi 4 32G SD, and I get a "not running on a pi" on a freshly initialied sd from the bash command in node-red documentation. I get a warning : Not running on a Pi - Ignoring node !… --- ## [How to send a simple string to a serial node](https://discourse.nodered.org/t/how-to-send-a-simple-string-to-a-serial-node/85933)
**Author:** [@lawero](https://discourse.nodered.org/u/lawero)\ **Replies:** 9\ **Last updated:** [5 March 2024 16:19 UTC](https://discourse.nodered.org/t/how-to-send-a-simple-string-to-a-serial-node/85933 "2024-03-05T16:19:02Z")
I'm quite new to Node-RED, and I might be missing a significant feature. I have a straightforward setup where I need to send a string to a serial device. To provide some context, the device in question is a Mettler Tole… --- ## [Chart-image font style](https://discourse.nodered.org/t/chart-image-font-style/86158)
**Author:** [@robbe.haerens](https://discourse.nodered.org/u/robbe.haerens)\ **Replies:** 4\ **Last updated:** [5 March 2024 15:54 UTC](https://discourse.nodered.org/t/chart-image-font-style/86158 "2024-03-05T15:54:44Z")
Hello, as part of my internship I have the assignment to create a line graph from a CSV and put it on a PDF. I manage to create the graph and put it on the PDF, but the font on the graph looks like this. " Is there s… --- ## [Insert multiple sensors data into mysql](https://discourse.nodered.org/t/insert-multiple-sensors-data-into-mysql/86133)
**Author:** [@Elo](https://discourse.nodered.org/u/Elo)\ **Replies:** 10\ **Last updated:** [5 March 2024 15:18 UTC](https://discourse.nodered.org/t/insert-multiple-sensors-data-into-mysql/86133 "2024-03-05T15:18:32Z")
I need help to insert correctly. Function node code: Template node code: \