# Latest

**URL:** https://discourse.nodered.org/latest.md?page=917

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

**Page:** 918

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## [How to import Data from Django and Display on node-red?](https://discourse.nodered.org/t/how-to-import-data-from-django-and-display-on-node-red/38633)

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**Author:** [@rpr](https://discourse.nodered.org/u/rpr)\
**Replies:** 3\
**Last updated:** [7 January 2021 06:10 UTC](https://discourse.nodered.org/t/how-to-import-data-from-django-and-display-on-node-red/38633 "2021-01-07T06:10:33Z")

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I have a UID Database in Django(phpmyadmin). So if i give any UID in Node-red, I want to receive details like Name, Details, email, etc from Django Database(phpmyadmin) and display on Node-red Dashboard. Presently ever…

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## [Node-red-contrib-modbus with RTU 485 device over PI 485 shield](https://discourse.nodered.org/t/node-red-contrib-modbus-with-rtu-485-device-over-pi-485-shield/37734)

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**Author:** [@mellis](https://discourse.nodered.org/u/mellis)\
**Replies:** 4\
**Last updated:** [7 January 2021 05:59 UTC](https://discourse.nodered.org/t/node-red-contrib-modbus-with-rtu-485-device-over-pi-485-shield/37734 "2021-01-07T05:59:14Z")

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I installed a Seeed RS-485 Shield for Raspberry Pi on a new raspberry Pi4, ran sudo raspi-config, selected “3” interface options, selected P6 serial port, disabled shell, enabled serial port hardware. I goto into node-r…

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## [Pull down menu to select delay?](https://discourse.nodered.org/t/pull-down-menu-to-select-delay/38640)

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**Author:** [@spawnreaper](https://discourse.nodered.org/u/spawnreaper)\
**Replies:** 12\
**Last updated:** [6 January 2021 22:51 UTC](https://discourse.nodered.org/t/pull-down-menu-to-select-delay/38640 "2021-01-06T22:51:43Z")

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I am very new at node-red, So I still have to learn a lot. The topics that touch on the subject I don't really understand. What I am trying to create: First select time on a pull down menu on the dashboard with option…

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## [Jsonata test works but doesn't in the flow](https://discourse.nodered.org/t/jsonata-test-works-but-doesnt-in-the-flow/38555)

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**Author:** [@gr1nch](https://discourse.nodered.org/u/gr1nch)\
**Replies:** 16\
**Last updated:** [6 January 2021 22:05 UTC](https://discourse.nodered.org/t/jsonata-test-works-but-doesnt-in-the-flow/38555 "2021-01-06T22:05:36Z")

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Hi, its taken me a long while to debug a problem where I want to capture all the sensor info I care about from a bunch of sensors (water, temp/humidity, motion, remotes) via Zigbee2Tasmota and I've got quite stuck where…

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## [Submit button won't show update on multiple browsers](https://discourse.nodered.org/t/submit-button-wont-show-update-on-multiple-browsers/38671)

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**Author:** [@Vinnyvangogo](https://discourse.nodered.org/u/Vinnyvangogo)\
**Replies:** 6\
**Last updated:** [6 January 2021 22:10 UTC](https://discourse.nodered.org/t/submit-button-wont-show-update-on-multiple-browsers/38671 "2021-01-06T22:10:04Z")

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I am trying to make a simple comment box for people on different computers to leave messages. When I submit a new comment the update shows on the local screen but not on a second computer. I am not sure what is wrong. Th…

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## [Web page - Is this something to worry about?](https://discourse.nodered.org/t/web-page-is-this-something-to-worry-about/38610)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 12\
**Last updated:** [6 January 2021 21:24 UTC](https://discourse.nodered.org/t/web-page-is-this-something-to-worry-about/38610 "2021-01-06T21:24:57Z")

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Today I just got up and when I tried to load the page I see this: Error: EIO: i/o error, stat '/usr/lib/node\_modules/node-red/node\_modules/@node-red/editor-client/public/ui/index.html' There is more to come - an error …

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## [\[ANNOUNCE\] node-red-contrib-msg-speed 2.0.0 - request for testers](https://discourse.nodered.org/t/announce-node-red-contrib-msg-speed-2-0-0-request-for-testers/38160)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 5\
**Last updated:** [6 January 2021 20:55 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-msg-speed-2-0-0-request-for-testers/38160 "2021-01-06T20:55:04Z")

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Hi folks, Trying to finalize some old stuff which was nearly finished already ... Version 2.0.0 of the speed node is available on Github with following changes: It is now possible to pause, resume and reset speed ca…

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## [Passing colors to Teckin (tuya) RGB bulbs from Google](https://discourse.nodered.org/t/passing-colors-to-teckin-tuya-rgb-bulbs-from-google/38664)

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**Author:** [@blacjoker](https://discourse.nodered.org/u/blacjoker)\
**Replies:** 1\
**Last updated:** [6 January 2021 20:53 UTC](https://discourse.nodered.org/t/passing-colors-to-teckin-tuya-rgb-bulbs-from-google/38664 "2021-01-06T20:53:59Z")

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I have been trying to send data from a virtual bulb I created using node-red-contrib-nora but I can't seem to get anything across. Nora is sending this out: { "payload":{ "online":true, "on":false, …

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## [Dynamic label in gauge node](https://discourse.nodered.org/t/dynamic-label-in-gauge-node/13068)

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**Author:** [@niboto](https://discourse.nodered.org/u/niboto)\
**Replies:** 16\
**Last updated:** [6 January 2021 19:34 UTC](https://discourse.nodered.org/t/dynamic-label-in-gauge-node/13068 "2021-01-06T19:34:40Z")

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Hello I am trying to set dynamically the label of some gauges by injecting a string (i.e. "mylabel") in a, msg.topic using a change node. It is not working. Can someone provide a simple example with an inject node + chan…

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## [How to insert a "variable string" into "FILENAME" topic of "FILE IN" node?](https://discourse.nodered.org/t/how-to-insert-a-variable-string-into-filename-topic-of-file-in-node/38672)

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**Author:** [@luks](https://discourse.nodered.org/u/luks)\
**Replies:** 2\
**Last updated:** [6 January 2021 18:59 UTC](https://discourse.nodered.org/t/how-to-insert-a-variable-string-into-filename-topic-of-file-in-node/38672 "2021-01-06T18:59:58Z")

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Hello, I'm working with a machine that uses different programms according to the production. Each programm has its own file and the machine says what programm is running thru an ".ini" file. I'm reading this .ini and ge…

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## [Can't install node-red-contrib-zigbee](https://discourse.nodered.org/t/cant-install-node-red-contrib-zigbee/38660)

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**Author:** [@Tehn](https://discourse.nodered.org/u/Tehn)\
**Replies:** 8\
**Last updated:** [6 January 2021 18:26 UTC](https://discourse.nodered.org/t/cant-install-node-red-contrib-zigbee/38660 "2021-01-06T18:26:58Z")

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I just started using node red. Using the manage pallete it doesn't download. It gives me the same error when i load the npm code into powershell. Doe anyone know how to fix this?

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## [HTTP request with variable date in address](https://discourse.nodered.org/t/http-request-with-variable-date-in-address/38478)

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**Author:** [@archipelag0](https://discourse.nodered.org/u/archipelag0)\
**Replies:** 7\
**Last updated:** [6 January 2021 18:10 UTC](https://discourse.nodered.org/t/http-request-with-variable-date-in-address/38478 "2021-01-06T18:10:04Z")

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Hello, I'd like to send consecutive JSON/http requests and write the data to separate tabs on a Google Docs spreadsheet. The historic data is stored on a server as day by day entries - I think in JSON format - and each…

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## [Changing fonts in gauge](https://discourse.nodered.org/t/changing-fonts-in-gauge/38535)

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**Author:** [@vishalnodered](https://discourse.nodered.org/u/vishalnodered)\
**Replies:** 1\
**Last updated:** [6 January 2021 17:10 UTC](https://discourse.nodered.org/t/changing-fonts-in-gauge/38535 "2021-01-06T17:10:16Z")

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Hi, I am beginner in node red and trying to learn crating dashboard for my company. I saw a sample dashboard and am trying to make something similar to below image. I want my temperature value big in font including th…

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## [\[req\] Connector Node needed](https://discourse.nodered.org/t/req-connector-node-needed/38584)

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**Author:** [@PizzaProgram](https://discourse.nodered.org/u/PizzaProgram)\
**Replies:** 10\
**Last updated:** [6 January 2021 15:55 UTC](https://discourse.nodered.org/t/req-connector-node-needed/38584 "2021-01-06T15:55:47Z")

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After 2 month of NR learning, I still don't know / understand: How to place a tiny "nothing-doing-connector" on a flow between 2 existing nodes? Why is there nothing like that on the palette by default? (Only "In" a…

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## [Getting past 'get\_entities' node with No Results](https://discourse.nodered.org/t/getting-past-get-entities-node-with-no-results/38632)

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**Author:** [@nappyjim](https://discourse.nodered.org/u/nappyjim)\
**Replies:** 1\
**Last updated:** [6 January 2021 14:47 UTC](https://discourse.nodered.org/t/getting-past-get-entities-node-with-no-results/38632 "2021-01-06T14:47:28Z")

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How would I get the flow to continue past the get\_entities node? Even though no lights are on, I want it to continue so that “night mode green” gets set. \[{"id":"8fb537a8.828378","type":"tab","label":"Flow 3","disable…

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## [Function tried to send a message of type number - But a number is what I want](https://discourse.nodered.org/t/function-tried-to-send-a-message-of-type-number-but-a-number-is-what-i-want/38658)

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**Author:** [@stee\_vo](https://discourse.nodered.org/u/stee_vo)\
**Replies:** 4\
**Last updated:** [6 January 2021 14:36 UTC](https://discourse.nodered.org/t/function-tried-to-send-a-message-of-type-number-but-a-number-is-what-i-want/38658 "2021-01-06T14:36:46Z")

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So I have a function connected to a MySQL database selecting a certain column from a table, the colums are numbers, either 0 or 1. I know I can get the values, but now I want to send them into some toggle nodes that resp…

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## [Two Sensors (Scale HX477 & RFID RC522) changed payload](https://discourse.nodered.org/t/two-sensors-scale-hx477-rfid-rc522-changed-payload/38406)

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**Author:** [@2safe4you](https://discourse.nodered.org/u/2safe4you)\
**Replies:** 3\
**Last updated:** [6 January 2021 14:12 UTC](https://discourse.nodered.org/t/two-sensors-scale-hx477-rfid-rc522-changed-payload/38406 "2021-01-06T14:12:30Z")

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Hello, I'm in the beginning with node-red. A amateur... I use it with a MQTT Broker on a RASPI and i switch a lot aof SONOFF Devices with Tasmota. All working nice. Now i will start with a small new Project on a ESP8…

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## [How to do number higher than 51 true under fals](https://discourse.nodered.org/t/how-to-do-number-higher-than-51-true-under-fals/38655)

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**Author:** [@bvt-events](https://discourse.nodered.org/u/bvt-events)\
**Replies:** 2\
**Last updated:** [6 January 2021 13:32 UTC](https://discourse.nodered.org/t/how-to-do-number-higher-than-51-true-under-fals/38655 "2021-01-06T13:32:00Z")

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a good day could someone help me with the following. I have a number between 0 and 100 that I receive but I want if the number is 51 or higher that true comes out of the flow, it is lower than fals. can someone give me…

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## [oAuth2 server create issue](https://discourse.nodered.org/t/oauth2-server-create-issue/38638)

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**Author:** [@msupra](https://discourse.nodered.org/u/msupra)\
**Replies:** 5\
**Last updated:** [6 January 2021 13:10 UTC](https://discourse.nodered.org/t/oauth2-server-create-issue/38638 "2021-01-06T13:10:05Z")

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Hi I am trying to implement an oAuth2 server within node-red. One of the requirements is a model to be used which is declared as follows: const OAuth2Server=global.get('OAuth2Server') Request = OAuth2Server.Request, Re…

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## [Dragging of elements in layout editor not working](https://discourse.nodered.org/t/dragging-of-elements-in-layout-editor-not-working/38607)

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**Author:** [@jens\_rossbach](https://discourse.nodered.org/u/jens_rossbach)\
**Replies:** 1\
**Last updated:** [6 January 2021 11:53 UTC](https://discourse.nodered.org/t/dragging-of-elements-in-layout-editor-not-working/38607 "2021-01-06T11:53:01Z")

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Dragging of UI elements in the layout editor is not working in Chromium based Edge browser. It is working in Chrome, Firefox and Opera. In Edge, when trying to drag elements to another position, the elements do not move …

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## [setTimeout - clearTimeout](https://discourse.nodered.org/t/settimeout-cleartimeout/38515)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 3\
**Last updated:** [4 January 2021 13:20 UTC](https://discourse.nodered.org/t/settimeout-cleartimeout/38515 "2021-01-04T13:20:01Z")

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I am trying to understand how setTimeout and clearTimeout works. Please have a look at the attached flow. Normal delay of 5 sec works ok. But when I send a reset the output shows the time of the reset but at the end of…

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## [Dashboard Node "chart" 2 lines from "Infuxdb in" Node](https://discourse.nodered.org/t/dashboard-node-chart-2-lines-from-infuxdb-in-node/38597)

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**Author:** [@RobTester](https://discourse.nodered.org/u/RobTester)\
**Replies:** 4\
**Last updated:** [6 January 2021 06:48 UTC](https://discourse.nodered.org/t/dashboard-node-chart-2-lines-from-infuxdb-in-node/38597 "2021-01-06T06:48:16Z")

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Hi, I looking for a way to have 2 lines in Node Red dashboard Chart. I can't figure out how to to this. This are the debugs from the two Nodes that I want in the Chart. Can someone help me with this. 5-1-2021 16:51:5…

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## [How to print the red dot marker on the picture?](https://discourse.nodered.org/t/how-to-print-the-red-dot-marker-on-the-picture/38624)

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**Author:** [@bird](https://discourse.nodered.org/u/bird)\
**Replies:** 2\
**Last updated:** [6 January 2021 06:12 UTC](https://discourse.nodered.org/t/how-to-print-the-red-dot-marker-on-the-picture/38624 "2021-01-06T06:12:30Z")

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Hi I load the image file on the dashboard. It works well. I want to mark the image file when it is a specific event. To do that, I want to print a red dot at a specific location on the photo. How can I print red dot…

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## [How to connect MongoDB with node-red](https://discourse.nodered.org/t/how-to-connect-mongodb-with-node-red/38620)

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**Author:** [@sabayke](https://discourse.nodered.org/u/sabayke)\
**Replies:** 16\
**Last updated:** [6 January 2021 02:08 UTC](https://discourse.nodered.org/t/how-to-connect-mongodb-with-node-red/38620 "2021-01-06T02:08:49Z")

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I have this flow when I try to deploy my flows I get this message Error: More than 1 database name in URL here is my url : mongodb+srv://username:password1234@cluster0.hx0l5.mongodb.net/capteurs?retryWrites=true&w=maj…

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## [CryptoJS encode displays different results despite same input](https://discourse.nodered.org/t/cryptojs-encode-displays-different-results-despite-same-input/38566)

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**Author:** [@nicnacnic](https://discourse.nodered.org/u/nicnacnic)\
**Replies:** 17\
**Last updated:** [6 January 2021 01:35 UTC](https://discourse.nodered.org/t/cryptojs-encode-displays-different-results-despite-same-input/38566 "2021-01-06T01:35:01Z")

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Hey all, I've been using the CryptoJS library to encode a string to authenticate a user with another program. The way it works is that you send an auth request, and you get two strings. Then you combine and encode those…

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## [Vintage Märklin Model Trains - Accessory control](https://discourse.nodered.org/t/vintage-marklin-model-trains-accessory-control/36666)

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**Author:** [@Mrb32](https://discourse.nodered.org/u/Mrb32)\
**Replies:** 1\
**Last updated:** [5 January 2021 23:58 UTC](https://discourse.nodered.org/t/vintage-marklin-model-trains-accessory-control/36666 "2021-01-05T23:58:54Z")

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Hi, I thought I'd share a project I have been working on. In a nutshell, I used Node-RED, Tasmota and ESP8266 and built a small command station to control my 50 year old Märklin turnouts and signals. I looked into this…

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## [\[ANNOUNCE\] node-red-contrib-msg-size: beta version](https://discourse.nodered.org/t/announce-node-red-contrib-msg-size-beta-version/38300)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 6\
**Last updated:** [5 January 2021 23:15 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-msg-size-beta-version/38300 "2021-01-05T23:15:29Z")

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Hi folks, Since my first days in Node-RED, I wanted to develop a node that calculates the sizes of messages passing through, in other words the "throughput" of my flow. But had never time to implement it... Until last…

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## [Bug in node-red-node-random?](https://discourse.nodered.org/t/bug-in-node-red-node-random/38618)

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**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 3\
**Last updated:** [5 January 2021 22:42 UTC](https://discourse.nodered.org/t/bug-in-node-red-node-random/38618 "2021-01-05T22:42:25Z")

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When configured to generate real number bigger than 100 the output is string, not number. Between 1 to 10 works correctly. Don't know exact value were it breaks. node-red-node-random v0.3.0 5 Jan 23:30:28 - \[info\] …

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## [Help with sub-flow and \`node.status\`](https://discourse.nodered.org/t/help-with-sub-flow-and-node-status/38617)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [5 January 2021 22:17 UTC](https://discourse.nodered.org/t/help-with-sub-flow-and-node-status/38617 "2021-01-05T22:17:46Z")

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I am wanting to make the node show either a red or green filled circle depending on the condition. The message I send...... Is the important stuff in payload or do I have to put it in status? (Semi rhetorical, but I…

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## [Noble doesn´t work](https://discourse.nodered.org/t/noble-doesn-t-work/38590)

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**Author:** [@goodcat](https://discourse.nodered.org/u/goodcat)\
**Replies:** 5\
**Last updated:** [5 January 2021 22:14 UTC](https://discourse.nodered.org/t/noble-doesn-t-work/38590 "2021-01-05T22:14:14Z")

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Hi, I´m unable to install the noble node on my Raspberry Pi 4. Somehow it says no permission. But I tried as sudo. Can someone help me, or knuw a newer alternative? big tkanks marcel

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