# Latest

**URL:** https://discourse.nodered.org/latest.md?page=196

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

**Page:** 197

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## [Hello, I need to connect with SVS Vistek exo264CGE camera and perform image acquisition](https://discourse.nodered.org/t/hello-i-need-to-connect-with-svs-vistek-exo264cge-camera-and-perform-image-acquisition/87969)

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**Author:** [@khalil\_khalil](https://discourse.nodered.org/u/khalil_khalil)\
**Replies:** 2\
**Last updated:** [15 May 2024 08:56 UTC](https://discourse.nodered.org/t/hello-i-need-to-connect-with-svs-vistek-exo264cge-camera-and-perform-image-acquisition/87969 "2024-05-15T08:56:59Z")

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Hello everyone, I have the SVS Vistek exo264CGE camera, and I want to connect it for image acquisition. How can I do this? I want to send a command to capture an image, retrieve that image, and save it to my desktop to…

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## [How can I connect the SVS Vistek Exo camera to Node-RED?](https://discourse.nodered.org/t/how-can-i-connect-the-svs-vistek-exo-camera-to-node-red/87950)

<div class="topic-metadata">

**Author:** [@khalil\_khalil](https://discourse.nodered.org/u/khalil_khalil)\
**Replies:** 3\
**Last updated:** [15 May 2024 09:04 UTC](https://discourse.nodered.org/t/how-can-i-connect-the-svs-vistek-exo-camera-to-node-red/87950 "2024-05-15T09:04:37Z")

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Hello everyone, I have the SVS Vistek exo264CGE camera, and I want to connect it for image acquisition. How can I do this?

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## [Rate limiting within a custom Node, is it possible?](https://discourse.nodered.org/t/rate-limiting-within-a-custom-node-is-it-possible/85708)

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**Author:** [@malee](https://discourse.nodered.org/u/malee)\
**Replies:** 9\
**Last updated:** [15 May 2024 08:43 UTC](https://discourse.nodered.org/t/rate-limiting-within-a-custom-node-is-it-possible/85708 "2024-05-15T08:43:52Z")

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Just wondering if there is a way of rate limiting message processing within a node. I know it is possible to rate limit with a delay node. This works perfectly. However it would be nice to be able to control the processi…

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## [Logic to control a head pump based hotwater buffer (without heating rod)](https://discourse.nodered.org/t/logic-to-control-a-head-pump-based-hotwater-buffer-without-heating-rod/87944)

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**Author:** [@lori](https://discourse.nodered.org/u/lori)\
**Replies:** 6\
**Last updated:** [15 May 2024 08:30 UTC](https://discourse.nodered.org/t/logic-to-control-a-head-pump-based-hotwater-buffer-without-heating-rod/87944 "2024-05-15T08:30:56Z")

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Hello, I have successfully managed to control my heat pump via ebusd as well as getting current data from my PV panels. Now I want to control my hotwater, if there are more than 4KW available on my PV panels. Since I d…

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## [Node-red applications will experience an increase in memory usage as their runtime increases？](https://discourse.nodered.org/t/node-red-applications-will-experience-an-increase-in-memory-usage-as-their-runtime-increases/87964)

<div class="topic-metadata">

**Author:** [@xingzhe](https://discourse.nodered.org/u/xingzhe)\
**Replies:** 1\
**Last updated:** [15 May 2024 08:02 UTC](https://discourse.nodered.org/t/node-red-applications-will-experience-an-increase-in-memory-usage-as-their-runtime-increases/87964 "2024-05-15T08:02:03Z")

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After checking the three global variables (global, flow, context), no continuous increase in data was found, and the reason is unknown. Thank you for your answer.

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## [Help with creating a login page using a dashboard](https://discourse.nodered.org/t/help-with-creating-a-login-page-using-a-dashboard/87924)

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**Author:** [@Erissin\_Industria4.0](https://discourse.nodered.org/u/Erissin_Industria4.0)\
**Replies:** 4\
**Last updated:** [15 May 2024 07:46 UTC](https://discourse.nodered.org/t/help-with-creating-a-login-page-using-a-dashboard/87924 "2024-05-15T07:46:44Z")

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Hello everyone, I have a problem with the login page that I created, I can log in if I enter the correct usernames and passwords, however if I press the LOGIN button several times it triggers a pop up that I created, I w…

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## [Can TCP Out nodes be bound to TCP In nodes](https://discourse.nodered.org/t/can-tcp-out-nodes-be-bound-to-tcp-in-nodes/87966)

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**Author:** [@bjdaijun](https://discourse.nodered.org/u/bjdaijun)\
**Replies:** 0\
**Last updated:** [15 May 2024 02:49 UTC](https://discourse.nodered.org/t/can-tcp-out-nodes-be-bound-to-tcp-in-nodes/87966 "2024-05-15T02:49:11Z")

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After my testing, if the Tcp Out response node is connected to the Tcp In server node, the message will include the session of this link, so the Tcp Out response node can respond correctly. But if the Tcp Out response n…

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## [Dashboard 2 center vertical and horizontal and still apply CSS](https://discourse.nodered.org/t/dashboard-2-center-vertical-and-horizontal-and-still-apply-css/87958)

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**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 4\
**Last updated:** [15 May 2024 02:18 UTC](https://discourse.nodered.org/t/dashboard-2-center-vertical-and-horizontal-and-still-apply-css/87958 "2024-05-15T02:18:13Z")

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Getting closer to my dashboard 2 goal but hit a snag. I have a cell I want to align both horizontal and vertical. According to the research I can put class="d-flex justify-center align-center" and that seems to work .…

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## [“No response from server” appears when sending HTTP request](https://discourse.nodered.org/t/no-response-from-server-appears-when-sending-http-request/87940)

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**Author:** [@lengyue0803](https://discourse.nodered.org/u/lengyue0803)\
**Replies:** 2\
**Last updated:** [15 May 2024 00:46 UTC](https://discourse.nodered.org/t/no-response-from-server-appears-when-sending-http-request/87940 "2024-05-15T00:46:05Z")

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When I use HTTP request to send a request, the debug console occasionally shows "No response from server". Through monitoring the server, the requesting server did not receive the request. I would like to ask for the rea…

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## [Dashboard2 ui-chart timeseries colors](https://discourse.nodered.org/t/dashboard2-ui-chart-timeseries-colors/87893)

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**Author:** [@RedTom](https://discourse.nodered.org/u/RedTom)\
**Replies:** 20\
**Last updated:** [14 May 2024 21:01 UTC](https://discourse.nodered.org/t/dashboard2-ui-chart-timeseries-colors/87893 "2024-05-14T21:01:04Z")

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Hi, I have a temperature timeseries ui-chart, the series is specified by topic, data from the sensors (mqqt) arrive at different timestamps. Because I don't know which data arrives first when i start, the colors in th…

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## [CSS design philosophy question dashboard 2](https://discourse.nodered.org/t/css-design-philosophy-question-dashboard-2/87921)

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**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 2\
**Last updated:** [14 May 2024 19:12 UTC](https://discourse.nodered.org/t/css-design-philosophy-question-dashboard-2/87921 "2024-05-14T19:12:28Z")

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Finally learned how to spell CSS now I'm trying to figure out how to implement it. Had every template on page with a copy of the same CSS in it then I figured out I could put it in just one template now I'm wondering how…

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## [Change color of chart legend/axis and grid (Legacy Dashboard)](https://discourse.nodered.org/t/change-color-of-chart-legend-axis-and-grid-legacy-dashboard/87937)

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**Author:** [@lori](https://discourse.nodered.org/u/lori)\
**Replies:** 1\
**Last updated:** [14 May 2024 18:50 UTC](https://discourse.nodered.org/t/change-color-of-chart-legend-axis-and-grid-legacy-dashboard/87937 "2024-05-14T18:50:21Z")

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Hello, I want to change the color of the chart labels on x/y axis (in my case from black to white) as well as the grid lines. It might be possible through passing in a config json object, however I haven't found any…

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## [Change topic dynamically](https://discourse.nodered.org/t/change-topic-dynamically/87930)

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**Author:** [@Fahrerkrieger](https://discourse.nodered.org/u/Fahrerkrieger)\
**Replies:** 0\
**Last updated:** [14 May 2024 06:46 UTC](https://discourse.nodered.org/t/change-topic-dynamically/87930 "2024-05-14T06:46:04Z")

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Hello Node-Red Community. I have a question for all of you. I have created a node red flow, where I am reading the data from a Modbus Server and storing the values in my Influxdb Database. In the Picture below, you will …

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## [Push data from firebase to ui\_table](https://discourse.nodered.org/t/push-data-from-firebase-to-ui-table/87955)

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**Author:** [@RoyLPL2002](https://discourse.nodered.org/u/RoyLPL2002)\
**Replies:** 1\
**Last updated:** [14 May 2024 18:37 UTC](https://discourse.nodered.org/t/push-data-from-firebase-to-ui-table/87955 "2024-05-14T18:37:03Z")

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I want to push data from firebase to ui\_table but it's not working except timestamp and i try to push data "date" and "shift" to text and gauge, it's working Date function Shift function is similiar to date functio…

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## [Modbus-flex-getter repeat](https://discourse.nodered.org/t/modbus-flex-getter-repeat/87905)

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**Author:** [@2shlee](https://discourse.nodered.org/u/2shlee)\
**Replies:** 4\
**Last updated:** [14 May 2024 14:49 UTC](https://discourse.nodered.org/t/modbus-flex-getter-repeat/87905 "2024-05-14T14:49:30Z")

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I'm working on getting data from 10 devices (which will be more than that later) every 15 minutes through the Modbus. After the initial injection, the data from Unit 1 to Unit 10 is received until 2 repetitions, but from…

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## [Notification at specific temperature](https://discourse.nodered.org/t/notification-at-specific-temperature/87938)

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**Author:** [@Kralle](https://discourse.nodered.org/u/Kralle)\
**Replies:** 11\
**Last updated:** [14 May 2024 14:38 UTC](https://discourse.nodered.org/t/notification-at-specific-temperature/87938 "2024-05-14T14:38:08Z")

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Hello, I'm an absolute beginner in Node Red, but I'm getting used to it. I have a Dragino lsn50-v2 sensor registered with TTN. Node Red and one InfluxDB installed. In Grafana the temperature is displayed visually. So f…

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## [Waiting for missing types to be registered: \[info\] - graph](https://discourse.nodered.org/t/waiting-for-missing-types-to-be-registered-info-graph/87923)

<div class="topic-metadata">

**Author:** [@telescopio](https://discourse.nodered.org/u/telescopio)\
**Replies:** 2\
**Last updated:** [14 May 2024 12:50 UTC](https://discourse.nodered.org/t/waiting-for-missing-types-to-be-registered-info-graph/87923 "2024-05-14T12:50:37Z")

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HI, I try to import a flow Embed Grafana Chart in NR dashboard I it show a message unknown node Graph, y try to delete but I couldn't I try to delete the flow and was not possible to delete. So I restart and now is stopp…

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## [Creating node red as an Desktop application](https://discourse.nodered.org/t/creating-node-red-as-an-desktop-application/86937)

<div class="topic-metadata">

**Author:** [@Vaibhavi27](https://discourse.nodered.org/u/Vaibhavi27)\
**Replies:** 3\
**Last updated:** [14 May 2024 09:51 UTC](https://discourse.nodered.org/t/creating-node-red-as-an-desktop-application/86937 "2024-05-14T09:51:41Z")

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Hi, I want to make my node red dashboard as an desktop application. I have tried previously have nod red dashboard running on html server running on background. where I don't nee to install node-red but executable file…

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## [Dash 2.0 Sparkline](https://discourse.nodered.org/t/dash-2-0-sparkline/87814)

<div class="topic-metadata">

**Author:** [@thebaldgeek](https://discourse.nodered.org/u/thebaldgeek)\
**Replies:** 23\
**Last updated:** [14 May 2024 09:16 UTC](https://discourse.nodered.org/t/dash-2-0-sparkline/87814 "2024-05-14T09:16:07Z")

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I see they are now out of the labs and are in the main menu. Ive spent about an hour trying to get them going, but am just getting no where. I wonder if because they are new in 3.6.0 something needs to be added (or t…

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## [Setting user profile image](https://discourse.nodered.org/t/setting-user-profile-image/87919)

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**Author:** [@malee](https://discourse.nodered.org/u/malee)\
**Replies:** 2\
**Last updated:** [14 May 2024 08:03 UTC](https://discourse.nodered.org/t/setting-user-profile-image/87919 "2024-05-14T08:03:37Z")

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I am experimenting with passport.js and the Node-RED login. It is noticeable that when the node red auth github package is used the users avatar is imported. However if GiHub is used as the authentication source with pa…

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## [Wait until two states](https://discourse.nodered.org/t/wait-until-two-states/87926)

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**Author:** [@etmomoabc](https://discourse.nodered.org/u/etmomoabc)\
**Replies:** 5\
**Last updated:** [14 May 2024 08:47 UTC](https://discourse.nodered.org/t/wait-until-two-states/87926 "2024-05-14T08:47:22Z")

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Hope to get help! How to configure wait until node an entity appears not\_home or unavailable. One of two states.

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## [Dashboard 2.0 custom ui-widget creation: how to tell size when auto is specified](https://discourse.nodered.org/t/dashboard-2-0-custom-ui-widget-creation-how-to-tell-size-when-auto-is-specified/87877)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 6\
**Last updated:** [14 May 2024 08:44 UTC](https://discourse.nodered.org/t/dashboard-2-0-custom-ui-widget-creation-how-to-tell-size-when-auto-is-specified/87877 "2024-05-14T08:44:48Z")

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I am creating (or attempting to create) a custom D2 ui-widget. I need to know the actual size (eg 4x3). If the user specifies a size then width and height are available in this.props, but if it is configured as auto th…

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## [Split node is broke](https://discourse.nodered.org/t/split-node-is-broke/87932)

<div class="topic-metadata">

**Author:** [@pierredemay](https://discourse.nodered.org/u/pierredemay)\
**Replies:** 2\
**Last updated:** [14 May 2024 08:18 UTC](https://discourse.nodered.org/t/split-node-is-broke/87932 "2024-05-14T08:18:52Z")

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Hi, I just want to do two different things if the msg.payload.Debit exist. The problem is that don't go in the change node... Can someone can help me ? Thank you.

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## [ui\_Chart plot with multiple axes](https://discourse.nodered.org/t/ui-chart-plot-with-multiple-axes/87934)

<div class="topic-metadata">

**Author:** [@Vaibhavi27](https://discourse.nodered.org/u/Vaibhavi27)\
**Replies:** 0\
**Last updated:** [14 May 2024 08:08 UTC](https://discourse.nodered.org/t/ui-chart-plot-with-multiple-axes/87934 "2024-05-14T08:08:33Z")

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Hi, I want have chart with multiple Y axis ( primary - Current), (secondary- Power) and x axis - Voltage. I am using series in to fetch data from controller. Since, I am beginner is using a chartjs. or is it possible to…

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## [NR kind of doing it's own thing](https://discourse.nodered.org/t/nr-kind-of-doing-its-own-thing/87836)

<div class="topic-metadata">

**Author:** [@little\_rich](https://discourse.nodered.org/u/little_rich)\
**Replies:** 6\
**Last updated:** [13 May 2024 16:35 UTC](https://discourse.nodered.org/t/nr-kind-of-doing-its-own-thing/87836 "2024-05-13T16:35:05Z")

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I have a Raspi 3B which has the 64bit minimal o/s installed and Mosquitto. There is also an Arduino Mega with an ethernet hat and dmx hat. There are 10 x Sonoff switches with the Tasmota software installed for remotely…

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## [Issues pulling tags from CompactLogix](https://discourse.nodered.org/t/issues-pulling-tags-from-compactlogix/87713)

<div class="topic-metadata">

**Author:** [@JVeldt](https://discourse.nodered.org/u/JVeldt)\
**Replies:** 2\
**Last updated:** [13 May 2024 16:12 UTC](https://discourse.nodered.org/t/issues-pulling-tags-from-compactlogix/87713 "2024-05-13T16:12:38Z")

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Hi, I'm new to nodered and am trying to pull tags from a 1769 CompactLogix L33ER with the node-red-contrib-cip-st-ethernet-ip node, then pass them with MQTT Sparkplug. I only seem to be able to pull the controller tags …

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## [API call - statusCode: 401](https://discourse.nodered.org/t/api-call-statuscode-401/87880)

<div class="topic-metadata">

**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 7\
**Last updated:** [13 May 2024 12:44 UTC](https://discourse.nodered.org/t/api-call-statuscode-401/87880 "2024-05-13T12:44:43Z")

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I am trying make a API call from Node-Red and it returns 'statusCode: 401' The same API call from my browser and it is successful. Why? \[ { "id": "38ae1970b0adf818", "type": "inject", "z": …

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## [Import function from module](https://discourse.nodered.org/t/import-function-from-module/87913)

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**Author:** [@mu3](https://discourse.nodered.org/u/mu3)\
**Replies:** 2\
**Last updated:** [13 May 2024 12:32 UTC](https://discourse.nodered.org/t/import-function-from-module/87913 "2024-05-13T12:32:43Z")

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How can I import specific function (not the default one) from a ES6 module using editor UI? import { OAuth2Client } from 'google-auth-library'; It is probably possible to achieve it with functionExternalModules: tru…

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## [What software is this forum built with? Is it open source now?](https://discourse.nodered.org/t/what-software-is-this-forum-built-with-is-it-open-source-now/87907)

<div class="topic-metadata">

**Author:** [@sangluocun](https://discourse.nodered.org/u/sangluocun)\
**Replies:** 2\
**Last updated:** [13 May 2024 09:00 UTC](https://discourse.nodered.org/t/what-software-is-this-forum-built-with-is-it-open-source-now/87907 "2024-05-13T09:00:37Z")

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What software is this forum built with? Is it open source now?

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## [Onvif-nodes Event node auto start](https://discourse.nodered.org/t/onvif-nodes-event-node-auto-start/87906)

<div class="topic-metadata">

**Author:** [@randall-tech](https://discourse.nodered.org/u/randall-tech)\
**Replies:** 3\
**Last updated:** [13 May 2024 06:42 UTC](https://discourse.nodered.org/t/onvif-nodes-event-node-auto-start/87906 "2024-05-13T06:42:40Z")

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I am having a play around with a Reolink Doorbell and Onvif-nodes. I can successfully connect to the doorbell and receive Onvif events like person detection and the button press etc but I need a way to start the node lis…

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