# Latest

**URL:** https://discourse.nodered.org/latest.md?page=331

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

**Page:** 332

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## [Tcp client, websocket](https://discourse.nodered.org/t/tcp-client-websocket/79343)

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**Author:** [@CRIS19Nn](https://discourse.nodered.org/u/CRIS19Nn)\
**Replies:** 1\
**Last updated:** [22 June 2023 16:31 UTC](https://discourse.nodered.org/t/tcp-client-websocket/79343 "2023-06-22T16:31:03Z")

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Greetings, is there any guide or example of real use that meets these requirements. -A TCP node that acts as a client. -a websocket server that can get the data from the TCP client. -Identify the connection data of th…

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## [Strange signal spike to GPIO pins at startup of NodeRED (Pigpiod)](https://discourse.nodered.org/t/strange-signal-spike-to-gpio-pins-at-startup-of-nodered-pigpiod/78391)

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**Author:** [@rik1984](https://discourse.nodered.org/u/rik1984)\
**Replies:** 59\
**Last updated:** [22 June 2023 09:25 UTC](https://discourse.nodered.org/t/strange-signal-spike-to-gpio-pins-at-startup-of-nodered-pigpiod/78391 "2023-06-22T09:25:04Z")

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I'm currently using NodeRED to interact with the GPIO pins of my RPI4 board. All works pretty well, but when I'm rebooting my RPI I have a very short signal pulse to the relays that are connected to the GPIO output pins.…

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## [Unable to get until node working as intended](https://discourse.nodered.org/t/unable-to-get-until-node-working-as-intended/79289)

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**Author:** [@dan\_moss](https://discourse.nodered.org/u/dan_moss)\
**Replies:** 4\
**Last updated:** [22 June 2023 07:34 UTC](https://discourse.nodered.org/t/unable-to-get-until-node-working-as-intended/79289 "2023-06-22T07:34:35Z")

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I have a flow where i want to turn on a light when the door is opened then motion is detected within 10s the only weird thing is that the microwave sensor doesnt seem to activate the until node and always times out. the…

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## [Theme, colors, widget size does not work anymore](https://discourse.nodered.org/t/theme-colors-widget-size-does-not-work-anymore/79340)

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**Author:** [@nosered1966](https://discourse.nodered.org/u/nosered1966)\
**Replies:** 1\
**Last updated:** [21 June 2023 22:13 UTC](https://discourse.nodered.org/t/theme-colors-widget-size-does-not-work-anymore/79340 "2023-06-21T22:13:06Z")

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Hi, I did setup a new rpi4B and Node-Red 3.0.2 today. First everything was OK, but after some time the colours of the dashboard suddenly changed from dark to light. And now I am not able to change the colours and the w…

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## [Run postman collection file](https://discourse.nodered.org/t/run-postman-collection-file/79202)

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**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\
**Replies:** 4\
**Last updated:** [21 June 2023 16:59 UTC](https://discourse.nodered.org/t/run-postman-collection-file/79202 "2023-06-21T16:59:30Z")

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Hi all! I want to run a postman collection .json file directly from a dashboard. I can upload a json file but then i need to process that file. So far, i have this: I've build a UI dashboard so i can upload a postman …

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## [Alignment of SVG - svg-ui](https://discourse.nodered.org/t/alignment-of-svg-svg-ui/79121)

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**Author:** [@thalesmaoa](https://discourse.nodered.org/u/thalesmaoa)\
**Replies:** 22\
**Last updated:** [21 June 2023 15:56 UTC](https://discourse.nodered.org/t/alignment-of-svg-svg-ui/79121 "2023-06-21T15:56:00Z")

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Hello, I'm working with svg and animations. I'm using node-red-contrib-ui-svg 2.3.1. When I place my svg inside the group, I increase it to almost the size of svg. However, It is always left align. How can I center align…

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## [Someone here who used node-red-contrib-udmx?](https://discourse.nodered.org/t/someone-here-who-used-node-red-contrib-udmx/79271)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 3\
**Last updated:** [21 June 2023 15:43 UTC](https://discourse.nodered.org/t/someone-here-who-used-node-red-contrib-udmx/79271 "2023-06-21T15:43:46Z")

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Hi, thanks for your kind attention, I need to buy an USB adaptor for this module, the module's author declare it should have USB ID 16c0:05dc to work, he posted the picture but unfortunately no the link to buy the right…

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## [Message scope context store](https://discourse.nodered.org/t/message-scope-context-store/79334)

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**Author:** [@eslym](https://discourse.nodered.org/u/eslym)\
**Replies:** 2\
**Last updated:** [21 June 2023 11:02 UTC](https://discourse.nodered.org/t/message-scope-context-store/79334 "2023-06-21T11:02:29Z")

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so far the context store only have node, flow and global scope, but there is some objects still might need to be pass with the message during execution but not cloneable. the most obvious example are http request and re…

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## [Node red to internet with 4G box and openvpn](https://discourse.nodered.org/t/node-red-to-internet-with-4g-box-and-openvpn/16947)

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**Author:** [@cyderbot971](https://discourse.nodered.org/u/cyderbot971)\
**Replies:** 25\
**Last updated:** [21 June 2023 11:00 UTC](https://discourse.nodered.org/t/node-red-to-internet-with-4g-box-and-openvpn/16947 "2023-06-21T11:00:00Z")

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Hello, I want to access to Node Red dashboard over internet. So i have installed a OPENVPN server on a vps host by OVH. Node Red was host on a raspberry pi and connected to internet with 4G box (ref box Huawei flybox) …

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## [Access to Google Calendar](https://discourse.nodered.org/t/access-to-google-calendar/79332)

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**Author:** [@JM69330](https://discourse.nodered.org/u/JM69330)\
**Replies:** 0\
**Last updated:** [21 June 2023 07:29 UTC](https://discourse.nodered.org/t/access-to-google-calendar/79332 "2023-06-21T07:29:37Z")

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I want to access events from my google calendar. I first used the following node 'node-red-contrib-google-oauth-calendar'. I am following instructions to create the credentials using (https://console.cloud.google.com/) …

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## [Custom user authentication for dashboard](https://discourse.nodered.org/t/custom-user-authentication-for-dashboard/79300)

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**Author:** [@ZmRZjFuDsDiR4qi5801F](https://discourse.nodered.org/u/ZmRZjFuDsDiR4qi5801F)\
**Replies:** 0\
**Last updated:** [19 June 2023 12:48 UTC](https://discourse.nodered.org/t/custom-user-authentication-for-dashboard/79300 "2023-06-19T12:48:52Z")

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Hi there, currently the dashboard can only be secured by a single hard-coded user inside settings.js using the httpNodeAuth property ( \[Securing Node-RED : Node-RED) Because we're already using a custom auth plugin for…

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## [Is it possible to use my flow as a backend for a phone app?](https://discourse.nodered.org/t/is-it-possible-to-use-my-flow-as-a-backend-for-a-phone-app/79309)

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**Author:** [@tgottie](https://discourse.nodered.org/u/tgottie)\
**Replies:** 5\
**Last updated:** [20 June 2023 23:13 UTC](https://discourse.nodered.org/t/is-it-possible-to-use-my-flow-as-a-backend-for-a-phone-app/79309 "2023-06-20T23:13:25Z")

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So im working on an OEE/MES program and have made some significant advancements, even have a user interface now that allows users to edit running configs and see their changes made to specific information nodes in live t…

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## [Make a payload go to 0 if not updated](https://discourse.nodered.org/t/make-a-payload-go-to-0-if-not-updated/79330)

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**Author:** [@Faust](https://discourse.nodered.org/u/Faust)\
**Replies:** 2\
**Last updated:** [20 June 2023 21:29 UTC](https://discourse.nodered.org/t/make-a-payload-go-to-0-if-not-updated/79330 "2023-06-20T21:29:54Z")

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I have a payload i need to reset to 0, if it is not updated under 5 seconds. Im sure this is something basic im missing but if someone could help, that would be great

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## [API: Install Flows and Modules automated via API Requests](https://discourse.nodered.org/t/api-install-flows-and-modules-automated-via-api-requests/78962)

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**Author:** [@hinrich](https://discourse.nodered.org/u/hinrich)\
**Replies:** 3\
**Last updated:** [20 June 2023 18:42 UTC](https://discourse.nodered.org/t/api-install-flows-and-modules-automated-via-api-requests/78962 "2023-06-20T18:42:32Z")

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Hey Node-Red Admins, I try some Node-Red automation on installing flows and modules via Admin API where I need your help. Actually I can load a preset of flows via post /flows api method. The the flows are installed bu…

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## [Bar Chart Colours](https://discourse.nodered.org/t/bar-chart-colours/79327)

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**Author:** [@Glake01](https://discourse.nodered.org/u/Glake01)\
**Replies:** 4\
**Last updated:** [20 June 2023 18:11 UTC](https://discourse.nodered.org/t/bar-chart-colours/79327 "2023-06-20T18:11:33Z")

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This may be a JSON or JS issue but I can't find a soution yet. My single series bar chart shows different colours for the first 30 data points but no colour after that. Any suggestions welcome! var date = new Date()…

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## [How to change font size of Table Data in Node Red?](https://discourse.nodered.org/t/how-to-change-font-size-of-table-data-in-node-red/79252)

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**Author:** [@techylax](https://discourse.nodered.org/u/techylax)\
**Replies:** 7\
**Last updated:** [20 June 2023 15:26 UTC](https://discourse.nodered.org/t/how-to-change-font-size-of-table-data-in-node-red/79252 "2023-06-20T15:26:07Z")

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Hello everyone, I'm new to Node-RED and I'm currently facing a challenge with adjusting the font size in my table data. The HMI UI I'm working on lacks optimization, and I've made several attempts to resolve this issue …

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## [Beginer help, parse and convert a CSV payload](https://discourse.nodered.org/t/beginer-help-parse-and-convert-a-csv-payload/79320)

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**Author:** [@Faust](https://discourse.nodered.org/u/Faust)\
**Replies:** 3\
**Last updated:** [20 June 2023 15:08 UTC](https://discourse.nodered.org/t/beginer-help-parse-and-convert-a-csv-payload/79320 "2023-06-20T15:08:23Z")

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Hello all, im brand new to Node-Red and I already have a project where im talking to a external device over serial, upon connection, i get the following repeating pattern. each item, separated by comma - is a engine va…

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## [Importing the latest file(s) from a file folder into Node-RED](https://discourse.nodered.org/t/importing-the-latest-file-s-from-a-file-folder-into-node-red/79307)

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**Author:** [@gettmad](https://discourse.nodered.org/u/gettmad)\
**Replies:** 7\
**Last updated:** [20 June 2023 14:41 UTC](https://discourse.nodered.org/t/importing-the-latest-file-s-from-a-file-folder-into-node-red/79307 "2023-06-20T14:41:11Z")

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I am currently working with only one file where I am using the 'Read File' node to access it however the application I am dealing with requires me to automatically update the file every 6 hours. The file will have an alt…

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## [Why my global.get undefined](https://discourse.nodered.org/t/why-my-global-get-undefined/79315)

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**Author:** [@brianbrbr](https://discourse.nodered.org/u/brianbrbr)\
**Replies:** 4\
**Last updated:** [20 June 2023 13:50 UTC](https://discourse.nodered.org/t/why-my-global-get-undefined/79315 "2023-06-20T13:50:32Z")

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I got w1, w2, w3 in function 1, show at debug 9 why I get undefined value w1, w2 in function 2 , but get the w3 value function 1 code: global.set(\["w1", "w2", "w3"\], \[msg.w1, msg.w2, msg.w3\]); return msg; function 2…

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## [Template Node - Pass through messages from input](https://discourse.nodered.org/t/template-node-pass-through-messages-from-input/79283)

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**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 25\
**Last updated:** [20 June 2023 13:15 UTC](https://discourse.nodered.org/t/template-node-pass-through-messages-from-input/79283 "2023-06-20T13:15:58Z")

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I am using a script in a template node and I have noticed that the template node is not passing the input message through even though the Check box is selected. the flow is a function node followed by a template node: …

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## [Node-red 3.0 problem](https://discourse.nodered.org/t/node-red-3-0-problem/79316)

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**Author:** [@ketpa](https://discourse.nodered.org/u/ketpa)\
**Replies:** 1\
**Last updated:** [20 June 2023 11:59 UTC](https://discourse.nodered.org/t/node-red-3-0-problem/79316 "2023-06-20T11:59:35Z")

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I install node-red v3.0.2 and I haven't javascript function like length ect.

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## [Table\_node doesn't keeps refresh itself](https://discourse.nodered.org/t/table-node-doesnt-keeps-refresh-itself/79303)

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**Author:** [@colin0031](https://discourse.nodered.org/u/colin0031)\
**Replies:** 3\
**Last updated:** [20 June 2023 10:42 UTC](https://discourse.nodered.org/t/table-node-doesnt-keeps-refresh-itself/79303 "2023-06-20T10:42:49Z")

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Hello, I m using "node-red-node-ui-table", its configured it in a way that to show 10 rows and I have to refresh the browser everytime to see the updated row(except first time when the table is empty). Is there anyway …

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## [Active and Test Flows](https://discourse.nodered.org/t/active-and-test-flows/79198)

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**Author:** [@Jermak](https://discourse.nodered.org/u/Jermak)\
**Replies:** 4\
**Last updated:** [20 June 2023 10:25 UTC](https://discourse.nodered.org/t/active-and-test-flows/79198 "2023-06-20T10:25:59Z")

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Would it be handy to Active and de-active a Flow or the output of an flow ? I have 1 flow running, which collects data and send data (setpoints) and is running fine. I came a cross a new program that is more extensive…

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## [Using express-openid-connect in httpNodeMiddleware for authenticating through Auth0 leaves req.oidc empty](https://discourse.nodered.org/t/using-express-openid-connect-in-httpnodemiddleware-for-authenticating-through-auth0-leaves-req-oidc-empty/79305)

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**Author:** [@mpolling](https://discourse.nodered.org/u/mpolling)\
**Replies:** 4\
**Last updated:** [20 June 2023 09:49 UTC](https://discourse.nodered.org/t/using-express-openid-connect-in-httpnodemiddleware-for-authenticating-through-auth0-leaves-req-oidc-empty/79305 "2023-06-20T09:49:27Z")

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I am trying to use Auth0 for authentication of endpoints in my flow. As far as I can see, this requires httpNodeMiddleware. Passport-auth0 refers to express-openid-connect, so I am trying to use that. I have managed to …

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## [Node-red default install location](https://discourse.nodered.org/t/node-red-default-install-location/79245)

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**Author:** [@Aivaras1](https://discourse.nodered.org/u/Aivaras1)\
**Replies:** 8\
**Last updated:** [20 June 2023 08:03 UTC](https://discourse.nodered.org/t/node-red-default-install-location/79245 "2023-06-20T08:03:06Z")

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Hello, I am trying to install node-red on ASUS tinkerboard. It uses Debian 10. I am using this command: bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) …

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## [Check whether an user input is a valid date or not](https://discourse.nodered.org/t/check-whether-an-user-input-is-a-valid-date-or-not/79298)

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**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 3\
**Last updated:** [19 June 2023 22:32 UTC](https://discourse.nodered.org/t/check-whether-an-user-input-is-a-valid-date-or-not/79298 "2023-06-19T22:32:13Z")

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I have a telegram bot which connects to my node-red and triggers a flow which generates a report. for it to work correctly, i need the user to always input the date format in YYYY-MM-DD format, when the user enters corre…

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## [Loading nodes 36/37](https://discourse.nodered.org/t/loading-nodes-36-37/79301)

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**Author:** [@fathom](https://discourse.nodered.org/u/fathom)\
**Replies:** 1\
**Last updated:** [19 June 2023 14:57 UTC](https://discourse.nodered.org/t/loading-nodes-36-37/79301 "2023-06-19T14:57:12Z")

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Hi all, I have embedded node-red within node js app. I have fallowed the instructions of Embedding into an existing app : Node-RED, I was even able to access the embedded node red for some time, i even developed some cu…

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## [Simulate a modbus tcp server and feed registers](https://discourse.nodered.org/t/simulate-a-modbus-tcp-server-and-feed-registers/78763)

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**Author:** [@Cyber](https://discourse.nodered.org/u/Cyber)\
**Replies:** 11\
**Last updated:** [19 June 2023 12:50 UTC](https://discourse.nodered.org/t/simulate-a-modbus-tcp-server-and-feed-registers/78763 "2023-06-19T12:50:56Z")

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hello, until now I had a complete fronius environment, since yesterday I have a panel-based microinverter (hoymiles) and would like to give the fronius environment the data via modbus tcp. there is a project which simu…

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## [Telegram Bot to ask for a date](https://discourse.nodered.org/t/telegram-bot-to-ask-for-a-date/79291)

<div class="topic-metadata">

**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 1\
**Last updated:** [19 June 2023 11:53 UTC](https://discourse.nodered.org/t/telegram-bot-to-ask-for-a-date/79291 "2023-06-19T11:53:18Z")

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I want my telegram bot to ask a 'date' . I have searched the internet and got to this page, but i have no idea how to use this in node-red. please direct me to take first few steps. i tried copying the code given in the…

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## [Cannot display flow.set/flow.get message](https://discourse.nodered.org/t/cannot-display-flow-set-flow-get-message/79239)

<div class="topic-metadata">

**Author:** [@Loveflowersx](https://discourse.nodered.org/u/Loveflowersx)\
**Replies:** 26\
**Last updated:** [19 June 2023 07:21 UTC](https://discourse.nodered.org/t/cannot-display-flow-set-flow-get-message/79239 "2023-06-19T07:21:36Z")

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Hi everyone, I have an email input node and I want to save the value stored in flow.set and then display it with flow.get Function 1 var email1 = msg.payload; flow.set('email1',msg.payload); return msg; Functi…

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