# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=549

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

**Page:** 550

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## [Changing UI chart colors? Using ui\_control?](https://discourse.nodered.org/t/changing-ui-chart-colors-using-ui-control/64117)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 4\
**Last updated:** [19 June 2022 02:41 UTC](https://discourse.nodered.org/t/changing-ui-chart-colors-using-ui-control/64117 "2022-06-19T02:41:27Z")

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Changing UI chart colors? I believe the following should work right? msg.ui\_control = {"colors":\['#FF0000', '#00FF00', '#0000FF', '#000000', '#000000', '#000000', '#000000', '#000000', '#000000'\]}; The question is can…

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## [Free and SSL secured access to your node-red instance running on a Raspberry Pi](https://discourse.nodered.org/t/free-and-ssl-secured-access-to-your-node-red-instance-running-on-a-raspberry-pi/64112)

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**Author:** [@lu4t](https://discourse.nodered.org/u/lu4t)\
**Replies:** 3\
**Last updated:** [18 June 2022 23:15 UTC](https://discourse.nodered.org/t/free-and-ssl-secured-access-to-your-node-red-instance-running-on-a-raspberry-pi/64112 "2022-06-18T23:15:08Z")

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Some months back, I published a video showing how to use cloudflare tunnels to access node-red running on a Synology NAS. I told @cymplecy on this post I would grab my old RPi and record a video showing how to get the s…

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## [Append value to JSON object based on ID](https://discourse.nodered.org/t/append-value-to-json-object-based-on-id/64113)

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**Author:** [@danm98](https://discourse.nodered.org/u/danm98)\
**Replies:** 1\
**Last updated:** [18 June 2022 18:39 UTC](https://discourse.nodered.org/t/append-value-to-json-object-based-on-id/64113 "2022-06-18T18:39:52Z")

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Hi All, I'm getting caught up trying to find a solution to the following problem: I have 2 seperate data sources that provide JSON objects, each object has a unique identifier within the JSON. Source 2 provides payloa…

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## [Emotiv with Emotiv Toolbox and node-red EEG recording](https://discourse.nodered.org/t/emotiv-with-emotiv-toolbox-and-node-red-eeg-recording/64100)

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**Author:** [@Safaiat](https://discourse.nodered.org/u/Safaiat)\
**Replies:** 2\
**Last updated:** [18 June 2022 17:11 UTC](https://discourse.nodered.org/t/emotiv-with-emotiv-toolbox-and-node-red-eeg-recording/64100 "2022-06-18T17:11:32Z")

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Hi, My project is to record raw brain signals using the emotive epoc 14 channels. what i wanted to do is show a participant an image for a particular time(such as 1 min) and record his brain signal of that time to a sep…

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## [(closed - duplicate) Node-red-contrib-mysql2](https://discourse.nodered.org/t/closed-duplicate-node-red-contrib-mysql2/64106)

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**Author:** [@bertaud](https://discourse.nodered.org/u/bertaud)\
**Replies:** 1\
**Last updated:** [18 June 2022 16:27 UTC](https://discourse.nodered.org/t/closed-duplicate-node-red-contrib-mysql2/64106 "2022-06-18T16:27:42Z")

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i have try to use node-red-contrib-mysql2 node In nodered documentation it is said mysql nodes for node-red with paramaterization. npm install node-red-contrib-mysql2 This is a fork to the original node-red-contrib-m…

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## [Telegram not connecting: String\[36\] "Error stopping node: Close timed out"](https://discourse.nodered.org/t/telegram-not-connecting-string-36-error-stopping-node-close-timed-out/64076)

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**Author:** [@JannieO](https://discourse.nodered.org/u/JannieO)\
**Replies:** 3\
**Last updated:** [18 June 2022 16:21 UTC](https://discourse.nodered.org/t/telegram-not-connecting-string-36-error-stopping-node-close-timed-out/64076 "2022-06-18T16:21:25Z")

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Background I loaded node-red-contrib-telegrambot on Raspberry Pi4 using Node-Red Pallet Then I create a bot with botfather.(and got a Token ,use r& chatID) If I test sending messages via the Pi web browser it works. …

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## [Declare msg.payload as a value](https://discourse.nodered.org/t/declare-msg-payload-as-a-value/63790)

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**Author:** [@Xenos](https://discourse.nodered.org/u/Xenos)\
**Replies:** 5\
**Last updated:** [18 June 2022 15:12 UTC](https://discourse.nodered.org/t/declare-msg-payload-as-a-value/63790 "2022-06-18T15:12:42Z")

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My message payload is a value of X, its always changing, in this example it's 33.13. How would I go about declaring it so I can use it in the position or value I have as "X" in this example Thank you for your hel…

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## [Where to create feature requests for flow library?](https://discourse.nodered.org/t/where-to-create-feature-requests-for-flow-library/64101)

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**Author:** [@parasaurolophus](https://discourse.nodered.org/u/parasaurolophus)\
**Replies:** 3\
**Last updated:** [18 June 2022 14:40 UTC](https://discourse.nodered.org/t/where-to-create-feature-requests-for-flow-library/64101 "2022-06-18T14:40:21Z")

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I would like to request a feature to be added to the flow library web site, but am not sure where to do so. Adding it to the "Core Development" category doesn't seem quite right? In any event, the feature I would like t…

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## [Node-red-contrib-mysql2 node](https://discourse.nodered.org/t/node-red-contrib-mysql2-node/64096)

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**Author:** [@bertaud](https://discourse.nodered.org/u/bertaud)\
**Replies:** 5\
**Last updated:** [18 June 2022 14:37 UTC](https://discourse.nodered.org/t/node-red-contrib-mysql2-node/64096 "2022-06-18T14:37:05Z")

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i saw in nodered documentation there is an existing node node-red-contrib-mysql2 node where it is possible to get parameters from incomming msg "We can also send the server details using msg.server, without adding those…

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## [Uibuilder cache node](https://discourse.nodered.org/t/uibuilder-cache-node/64024)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 14\
**Last updated:** [18 June 2022 13:41 UTC](https://discourse.nodered.org/t/uibuilder-cache-node/64024 "2022-06-18T13:41:34Z")

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I am testing the uibuilder cache node, to keep the displayed data over a page refresh. but it doesn't look working. Context data is not showing any cache. Where am I wrong? From the docs: If you connect the uibuilder n…

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## [Dual Display LED Indicator](https://discourse.nodered.org/t/dual-display-led-indicator/63870)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 20\
**Last updated:** [18 June 2022 13:11 UTC](https://discourse.nodered.org/t/dual-display-led-indicator/63870 "2022-06-18T13:11:56Z")

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Hi Guys!! In my home auto system, on another package, I was able to create a "Dual" LED by overlaying one LED over another... This package is on my short list to be culled soon in favour of Node Red Dashboard. I would …

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## [Prevent msg resetting MSSQL plus node](https://discourse.nodered.org/t/prevent-msg-resetting-mssql-plus-node/64108)

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**Author:** [@noob69](https://discourse.nodered.org/u/noob69)\
**Replies:** 1\
**Last updated:** [18 June 2022 13:10 UTC](https://discourse.nodered.org/t/prevent-msg-resetting-mssql-plus-node/64108 "2022-06-18T13:10:02Z")

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Is there a way to prevent the reseting of the original msg when going through the MSSQL plus node?

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## [How to use variable in a JSON format?](https://discourse.nodered.org/t/how-to-use-variable-in-a-json-format/64094)

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**Author:** [@Mauri](https://discourse.nodered.org/u/Mauri)\
**Replies:** 2\
**Last updated:** [18 June 2022 11:46 UTC](https://discourse.nodered.org/t/how-to-use-variable-in-a-json-format/64094 "2022-06-18T11:46:46Z")

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Hello everyone I would like to send some values ​​in a JSON format, but I want to use variables as placeholders for these values. Does anyone have an idea how to do this? Thanks for your time! Mauri

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## [Develop nodes as ES6 classes with TypeScript (I made a thing)](https://discourse.nodered.org/t/develop-nodes-as-es6-classes-with-typescript-i-made-a-thing/64093)

<div class="topic-metadata">

**Author:** [@yostinso](https://discourse.nodered.org/u/yostinso)\
**Replies:** 4\
**Last updated:** [18 June 2022 10:57 UTC](https://discourse.nodered.org/t/develop-nodes-as-es6-classes-with-typescript-i-made-a-thing/64093 "2022-06-18T10:57:08Z")

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In the spirit of things maybe nobody was asking for: I really wanted two things: to build nodes as first-class Javascript/ES6 classes and to build them with TypeScript. Then I realized there was a lot of boilerplate inv…

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## [Keyboard Shortcut for a ui\_Button in Dashboard](https://discourse.nodered.org/t/keyboard-shortcut-for-a-ui-button-in-dashboard/64047)

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**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 5\
**Last updated:** [18 June 2022 11:00 UTC](https://discourse.nodered.org/t/keyboard-shortcut-for-a-ui-button-in-dashboard/64047 "2022-06-18T11:00:19Z")

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I have a dashboard with a bunch of ui\_buttons, basically to switch Tabs. is there a way to use a keyboard shortcut, for example Alt+1, Alt+2 etc to click the buttons instead of a mouse click ?

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## [Way to fix TCP LocalPort Source](https://discourse.nodered.org/t/way-to-fix-tcp-localport-source/64102)

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**Author:** [@smallf00t](https://discourse.nodered.org/u/smallf00t)\
**Replies:** 0\
**Last updated:** [18 June 2022 08:52 UTC](https://discourse.nodered.org/t/way-to-fix-tcp-localport-source/64102 "2022-06-18T08:52:49Z")

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Hi, i try to communicate with a 2 way radio motorola i have the protocol but there is problem :smiley: It s a tcp protocol the device wait a communication on port 8002 \> that s ok (wireshark see the in and the out) but…

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## [HTTP Post command](https://discourse.nodered.org/t/http-post-command/64083)

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**Author:** [@Dasmonk3003](https://discourse.nodered.org/u/Dasmonk3003)\
**Replies:** 4\
**Last updated:** [18 June 2022 07:12 UTC](https://discourse.nodered.org/t/http-post-command/64083 "2022-06-18T07:12:34Z")

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Hey, my google powers is not enough and I havent really found a good explanation. Can someone please tell me how I can send post request that looks like this? curl -X POST -H "Content-Type: application/json" -d '{"perc…

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## [Help with message formatting](https://discourse.nodered.org/t/help-with-message-formatting/64057)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [17 June 2022 21:27 UTC](https://discourse.nodered.org/t/help-with-message-formatting/64057 "2022-06-17T21:27:00Z")

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Today's problem for me.... I have the msg.payload loaded with the time as an array (I think that is the right term). So (example) msg.payload.0 is the seconds. msg.payload.1 is the minutes. msg.payload.2 is the hour…

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## [Is there a way to set the scaling of the dashboard based on the device type?](https://discourse.nodered.org/t/is-there-a-way-to-set-the-scaling-of-the-dashboard-based-on-the-device-type/64084)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 2\
**Last updated:** [17 June 2022 21:18 UTC](https://discourse.nodered.org/t/is-there-a-way-to-set-the-scaling-of-the-dashboard-based-on-the-device-type/64084 "2022-06-17T21:18:00Z")

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Is there a way to set the scaling of the dashboard based on the device type? I have a touch screen that has a lot of space for dashboard elements. But if I display the same dashboard on my phone, it is a bit ugly havin…

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## [Node-RED 3.0.0-beta.3 Docker containers dropping Python2](https://discourse.nodered.org/t/node-red-3-0-0-beta-3-docker-containers-dropping-python2/64067)

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**Author:** [@hardillb](https://discourse.nodered.org/u/hardillb)\
**Replies:** 3\
**Last updated:** [17 June 2022 21:02 UTC](https://discourse.nodered.org/t/node-red-3-0-0-beta-3-docker-containers-dropping-python2/64067 "2022-06-17T21:02:40Z")

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As part of the updates for 3.0.0 the docker builds were updated to build against the NodeJS container node:16-alpine (and similarly for NodeJS 14 and 18). These containers track the latest Alpine base container to ensure…

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## [Control Node list](https://discourse.nodered.org/t/control-node-list/13035)

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**Author:** [@shrwan](https://discourse.nodered.org/u/shrwan)\
**Replies:** 1\
**Last updated:** [17 June 2022 19:29 UTC](https://discourse.nodered.org/t/control-node-list/13035 "2022-06-17T19:29:12Z")

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Hi Friends, I am working on node red and stuck with one problem. How can we control the list of node (letf panel node) dynamically. Depending upon query string parameter i have to load only specific node on left side.…

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## [Chart line in Dashboard](https://discourse.nodered.org/t/chart-line-in-dashboard/63367)

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**Author:** [@alberparri](https://discourse.nodered.org/u/alberparri)\
**Replies:** 10\
**Last updated:** [17 June 2022 19:15 UTC](https://discourse.nodered.org/t/chart-line-in-dashboard/63367 "2022-06-17T19:15:05Z")

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Hi, I am a bit new to nodered and I need to make a line chart in dashboard with the data I am receiving. The first data is a value for the X axis and the second for the Y axis. I receive a lot of these pairs and I woul…

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## [Trying to study uibuilder](https://discourse.nodered.org/t/trying-to-study-uibuilder/64049)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 9\
**Last updated:** [17 June 2022 18:54 UTC](https://discourse.nodered.org/t/trying-to-study-uibuilder/64049 "2022-06-17T18:54:49Z")

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I've been studying uibuilder for a couple of days and I would have some doubts to clarify. From what I understand, each uibuilder node corresponds to a specific app and url, and all flows must converge to that node to c…

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## [HTML CSS Checkbox Switch input and output](https://discourse.nodered.org/t/html-css-checkbox-switch-input-and-output/64080)

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**Author:** [@Zyan](https://discourse.nodered.org/u/Zyan)\
**Replies:** 3\
**Last updated:** [17 June 2022 18:36 UTC](https://discourse.nodered.org/t/html-css-checkbox-switch-input-and-output/64080 "2022-06-17T18:36:04Z")

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Hi guys, I used this Node Red Website example and got this 2 Checkbox switches. https://flows.nodered.org/flow/1bffe6808d37bd96cce283939983e758 This is my Flow with the Switches \[{"id":"5de0bbd4.6c8574","type":"http …

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## [Your flow credentials file is encrypted](https://discourse.nodered.org/t/your-flow-credentials-file-is-encrypted/64078)

<div class="topic-metadata">

**Author:** [@nadabnammar](https://discourse.nodered.org/u/nadabnammar)\
**Replies:** 2\
**Last updated:** [17 June 2022 17:23 UTC](https://discourse.nodered.org/t/your-flow-credentials-file-is-encrypted/64078 "2022-06-17T17:23:32Z")

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could you help me with this please i didin't know how to deal with it i try to uninstall the node and i install it again but it didin't fix how to do it please ( sorry for my english )

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## [A bit quirky, but no icon for enter key in font-awesome or material-icons libraries?](https://discourse.nodered.org/t/a-bit-quirky-but-no-icon-for-enter-key-in-font-awesome-or-material-icons-libraries/63881)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 10\
**Last updated:** [17 June 2022 16:37 UTC](https://discourse.nodered.org/t/a-bit-quirky-but-no-icon-for-enter-key-in-font-awesome-or-material-icons-libraries/63881 "2022-06-17T16:37:32Z")

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A bit quirky, but no icon for enter key in font-awesome or material-icons libraries? Actually funny... there is backspace, space bar, etc., but no enter key symbol at all!?

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## [May I ask what node used for "state continued" and how to set it?](https://discourse.nodered.org/t/may-i-ask-what-node-used-for-state-continued-and-how-to-set-it/64041)

<div class="topic-metadata">

**Author:** [@etmomoabc](https://discourse.nodered.org/u/etmomoabc)\
**Replies:** 3\
**Last updated:** [17 June 2022 15:36 UTC](https://discourse.nodered.org/t/may-i-ask-what-node-used-for-state-continued-and-how-to-set-it/64041 "2022-06-17T15:36:16Z")

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I use "get entities" to get the number of devices in the same state for automation! If it is equal to 0, turn off the light, if it is greater than 0, turn on the light However, the device is not stable and jumping arou…

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## [Box plot (dispersion)](https://discourse.nodered.org/t/box-plot-dispersion/64079)

<div class="topic-metadata">

**Author:** [@ricardo.moraleda](https://discourse.nodered.org/u/ricardo.moraleda)\
**Replies:** 2\
**Last updated:** [17 June 2022 15:06 UTC](https://discourse.nodered.org/t/box-plot-dispersion/64079 "2022-06-17T15:06:49Z")

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Hello everyone, I'm looking for a Box-Plot Chart in Node-Red Dashboard. I didn't find any useful information with a google search, can someone help me ? I'm looking for something like this I wonder if it is possible…

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## [🎉 Node-RED 3.0.0-beta.2 released](https://discourse.nodered.org/t/node-red-3-0-0-beta-2-released/62698)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 100\
**Last updated:** [17 June 2022 13:11 UTC](https://discourse.nodered.org/t/node-red-3-0-0-beta-2-released/62698 "2022-06-17T13:11:28Z")

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:tada: The second beta release of Node-RED 3.0 is now available. Node-RED 3.x requires at least Node 14.x or later. We recommend the current Active LTS release, Node 16.x. This release brings some fixes and improvement…

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## [Table seems to disappear after refreshing page](https://discourse.nodered.org/t/table-seems-to-disappear-after-refreshing-page/40680)

<div class="topic-metadata">

**Author:** [@aa123](https://discourse.nodered.org/u/aa123)\
**Replies:** 5\
**Last updated:** [17 June 2022 12:07 UTC](https://discourse.nodered.org/t/table-seems-to-disappear-after-refreshing-page/40680 "2022-06-17T12:07:54Z")

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The table node I am using ends up disappearing after I refresh the UI page. The table node isn't able to connect with a node on the right, whereas the topics I see on the internet the table nodes they are able to connect…

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