# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=486

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

**Page:** 487

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## [Need help in http request node](https://discourse.nodered.org/t/need-help-in-http-request-node/68612)

<div class="topic-metadata">

**Author:** [@boo](https://discourse.nodered.org/u/boo)\
**Replies:** 32\
**Last updated:** [7 October 2022 17:24 UTC](https://discourse.nodered.org/t/need-help-in-http-request-node/68612 "2022-10-07T17:24:41Z")

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Hi im trying to figure how to use curl in nodered ..I want to get information of my torrent files (which has api support) i want to convert this part of code to nodered style. $ curl -i --header 'Referer: http://localh…

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## [Dashboard problems](https://discourse.nodered.org/t/dashboard-problems/68644)

<div class="topic-metadata">

**Author:** [@Haiker69](https://discourse.nodered.org/u/Haiker69)\
**Replies:** 2\
**Last updated:** [7 October 2022 17:26 UTC](https://discourse.nodered.org/t/dashboard-problems/68644 "2022-10-07T17:26:03Z")

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Hello everyone, I have little experience in Node Red but the projects I had done had worked well for me, but I have a situation where I implemented two projects but only one is not displayed in the Dashboard, I really ca…

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## [How to export from dashboard grafna in pdf](https://discourse.nodered.org/t/how-to-export-from-dashboard-grafna-in-pdf/68680)

<div class="topic-metadata">

**Author:** [@Dumy](https://discourse.nodered.org/u/Dumy)\
**Replies:** 0\
**Last updated:** [7 October 2022 12:32 UTC](https://discourse.nodered.org/t/how-to-export-from-dashboard-grafna-in-pdf/68680 "2022-10-07T12:32:57Z")

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Hello, I make the flow convert dashboard in pdf. grafana dashboard export pdf In setting dashboard go to the module link and set link from Node-Red :heart: http://localhost:1880/grafana/${\_\_dashboard.uid}/${\_\_dashboar…

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## [Dashboard widgets showing double](https://discourse.nodered.org/t/dashboard-widgets-showing-double/68666)

<div class="topic-metadata">

**Author:** [@Sureshkumar.S](https://discourse.nodered.org/u/Sureshkumar.S)\
**Replies:** 15\
**Last updated:** [7 October 2022 14:03 UTC](https://discourse.nodered.org/t/dashboard-widgets-showing-double/68666 "2022-10-07T14:03:02Z")

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why my dashboard widgets showing double?

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## [JSONata retrieve value](https://discourse.nodered.org/t/jsonata-retrieve-value/68671)

<div class="topic-metadata">

**Author:** [@wiwan-wijoyo](https://discourse.nodered.org/u/wiwan-wijoyo)\
**Replies:** 2\
**Last updated:** [7 October 2022 13:48 UTC](https://discourse.nodered.org/t/jsonata-retrieve-value/68671 "2022-10-07T13:48:57Z")

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how to retrieve the value (true/false) by using JSONata, I tried it but still failed. I want to take true value for on and false value for off. \[ { "id": "075b37ac52f089bf", "type": "inject", …

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## [Unexpected Node Error. node-red-contrib-tplink. Error: read ECONNRESET](https://discourse.nodered.org/t/unexpected-node-error-node-red-contrib-tplink-error-read-econnreset/68678)

<div class="topic-metadata">

**Author:** [@BradS](https://discourse.nodered.org/u/BradS)\
**Replies:** 0\
**Last updated:** [7 October 2022 11:43 UTC](https://discourse.nodered.org/t/unexpected-node-error-node-red-contrib-tplink-error-read-econnreset/68678 "2022-10-07T11:43:38Z")

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Within the Node-RED GUI, I'm getting a message in my debug window. It is intermittent. I'm pretty new to Node-RED. I can't seem to use the Catch node to catch it. I'm not able to use the Status node to do anything wi…

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## [🎉 Node-RED Con 2022 happening today!](https://discourse.nodered.org/t/node-red-con-2022-happening-today/68677)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 0\
**Last updated:** [7 October 2022 11:41 UTC](https://discourse.nodered.org/t/node-red-con-2022-happening-today/68677 "2022-10-07T11:41:48Z")

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Node-RED Con is happening today! The Japanese track started earlier this morning and has a few more talks to come - Node-RED Con 2022 Japanese Track - YouTube The English track starts at 12:30 UTC / 13:30 BST - Node-RE…

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## [Recommendation for TP-Link Kasa Smart Wi-Fi Devices](https://discourse.nodered.org/t/recommendation-for-tp-link-kasa-smart-wi-fi-devices/68676)

<div class="topic-metadata">

**Author:** [@BradS](https://discourse.nodered.org/u/BradS)\
**Replies:** 0\
**Last updated:** [7 October 2022 11:35 UTC](https://discourse.nodered.org/t/recommendation-for-tp-link-kasa-smart-wi-fi-devices/68676 "2022-10-07T11:35:57Z")

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Does anyone have a recommendation for controlling and getting information from TP-Link Kasa Devices: I've found: node-red-contrib-tplink (currently using) node-red-contrib-tplink-smarthome node-red-contrib-tplink-iot …

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## [Whatsapp notifications node](https://discourse.nodered.org/t/whatsapp-notifications-node/55534)

<div class="topic-metadata">

**Author:** [@alsak0de](https://discourse.nodered.org/u/alsak0de)\
**Replies:** 52\
**Last updated:** [7 October 2022 10:56 UTC](https://discourse.nodered.org/t/whatsapp-notifications-node/55534 "2022-10-07T10:56:11Z")

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Hiya... Just to share. We've created a simple node to have node-red send messages to one's mobile. Extremely simple service, one green box. Free service, no personal data, no trick. Made for fun, shared for good. Instr…

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## [\[UPDATE\] WHIN: New nodes for Whatsapp (Beta)](https://discourse.nodered.org/t/update-whin-new-nodes-for-whatsapp-beta/56372)

<div class="topic-metadata">

**Author:** [@alsak0de](https://discourse.nodered.org/u/alsak0de)\
**Replies:** 20\
**Last updated:** [7 October 2022 10:48 UTC](https://discourse.nodered.org/t/update-whin-new-nodes-for-whatsapp-beta/56372 "2022-10-07T10:48:39Z")

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We'd like to share our enthusiasm about the new beta release that comes with additional nodes and functionality: node-red-contrib-whin (node) - Node-RED The package includes three nodes: whin-send, to send out whatsapp…

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## [Help with \`text input\` node](https://discourse.nodered.org/t/help-with-text-input-node/68668)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [7 October 2022 10:37 UTC](https://discourse.nodered.org/t/help-with-text-input-node/68668 "2022-10-07T10:37:14Z")

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I'm working on a small project just to keep myself busy. I have a text input node. Normally it is disabled. When enabled (for a short time) the user enters text. After that time the node is disabled, and the text ent…

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## [Another contribution for people who like to have a "confrim" button](https://discourse.nodered.org/t/another-contribution-for-people-who-like-to-have-a-confrim-button/68672)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [7 October 2022 10:33 UTC](https://discourse.nodered.org/t/another-contribution-for-people-who-like-to-have-a-confrim-button/68672 "2022-10-07T10:33:57Z")

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(Foreign node: node-red-contrib-ui-led) only for indication of successful action.) I've played with Double press buttons to stop me accidnetally pressing a button. (And there are other people who have also done the sa…

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## [Dynamic JSON string coming from MQTT](https://discourse.nodered.org/t/dynamic-json-string-coming-from-mqtt/68530)

<div class="topic-metadata">

**Author:** [@gbhide0312](https://discourse.nodered.org/u/gbhide0312)\
**Replies:** 7\
**Last updated:** [7 October 2022 10:20 UTC](https://discourse.nodered.org/t/dynamic-json-string-coming-from-mqtt/68530 "2022-10-07T10:20:02Z")

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Hello, I have a flow where I am receiving data from MQTT, parsing it in a function block (JSON parsing) and then forming an insert statement out of it to feed it to a database. Attached the flow. \[ { "id": …

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## [Modbus crc16 calculation function error syntax](https://discourse.nodered.org/t/modbus-crc16-calculation-function-error-syntax/68657)

<div class="topic-metadata">

**Author:** [@Angin](https://discourse.nodered.org/u/Angin)\
**Replies:** 7\
**Last updated:** [7 October 2022 09:41 UTC](https://discourse.nodered.org/t/modbus-crc16-calculation-function-error-syntax/68657 "2022-10-07T09:41:46Z")

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I used a previous crc16 calculation function, but now it prompts an error syntax. As shown in the picture. function crc16(str){ var buf = Buffer.from(str,'hex') var crc = 0xFFFF; for(var i = 0;i\<buf.lengt…

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## [\[UPDATE\] node-red-contrib-components v0.2.0](https://discourse.nodered.org/t/update-node-red-contrib-components-v0-2-0/54524)

<div class="topic-metadata">

**Author:** [@ollix](https://discourse.nodered.org/u/ollix)\
**Replies:** 12\
**Last updated:** [7 October 2022 08:28 UTC](https://discourse.nodered.org/t/update-node-red-contrib-components-v0-2-0/54524 "2022-10-07T08:28:35Z")

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node-red-contrib-components Update to v0.2.0 I never announced my stuff here, but since the new version might affect some of your projects, it's probably a good idea to do so. Components 0.2.0 got some noticeable change…

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## [SGP40 VOC Gas sensor project](https://discourse.nodered.org/t/sgp40-voc-gas-sensor-project/68653)

<div class="topic-metadata">

**Author:** [@karlbo](https://discourse.nodered.org/u/karlbo)\
**Replies:** 0\
**Last updated:** [6 October 2022 22:00 UTC](https://discourse.nodered.org/t/sgp40-voc-gas-sensor-project/68653 "2022-10-06T22:00:12Z")

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Hello, its been some time since last i was in here. This time i want to share my latest work. its a rpi3b with a gas sensor logging the level of volatile organic compunds in the air. this project is to be installe in …

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## [Problem to format color in dropdown ui node](https://discourse.nodered.org/t/problem-to-format-color-in-dropdown-ui-node/68648)

<div class="topic-metadata">

**Author:** [@bertaud](https://discourse.nodered.org/u/bertaud)\
**Replies:** 2\
**Last updated:** [7 October 2022 06:27 UTC](https://discourse.nodered.org/t/problem-to-format-color-in-dropdown-ui-node/68648 "2022-10-07T06:27:19Z")

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in edit text node there is a simple way to change color to a specific edit text box using following syntax for example in label field \<font color= white \> Identifiant \</font\> or following syntaxe for value format field …

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## [Comparing data from API](https://discourse.nodered.org/t/comparing-data-from-api/68623)

<div class="topic-metadata">

**Author:** [@Sureshkumar.S](https://discourse.nodered.org/u/Sureshkumar.S)\
**Replies:** 9\
**Last updated:** [7 October 2022 05:49 UTC](https://discourse.nodered.org/t/comparing-data-from-api/68623 "2022-10-07T05:49:22Z")

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I want compare get where it's a day time or night time. I'm getting sunrise and sunset time from the weather API. I don't how to compare the data using switch node.

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## [AND Logic to turn on the led](https://discourse.nodered.org/t/and-logic-to-turn-on-the-led/68628)

<div class="topic-metadata">

**Author:** [@afafirmansyah](https://discourse.nodered.org/u/afafirmansyah)\
**Replies:** 9\
**Last updated:** [7 October 2022 04:41 UTC](https://discourse.nodered.org/t/and-logic-to-turn-on-the-led/68628 "2022-10-07T04:41:20Z")

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how do I turn on the led with logical AND operator? both messages are in msg.payload.

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## [Side menu label position](https://discourse.nodered.org/t/side-menu-label-position/68655)

<div class="topic-metadata">

**Author:** [@afafirmansyah](https://discourse.nodered.org/u/afafirmansyah)\
**Replies:** 0\
**Last updated:** [7 October 2022 03:46 UTC](https://discourse.nodered.org/t/side-menu-label-position/68655 "2022-10-07T03:46:08Z")

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how do I move the label on the side menu under the icon like the following example?

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## [Best practices for turning on/off a central heating system](https://discourse.nodered.org/t/best-practices-for-turning-on-off-a-central-heating-system/66663)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 80\
**Last updated:** [7 October 2022 03:23 UTC](https://discourse.nodered.org/t/best-practices-for-turning-on-off-a-central-heating-system/66663 "2022-10-07T03:23:16Z")

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Hi folks, I have a very classical CV system in my house: it burns oil to heat my boiler to have hot water, and to heat my radiators. Nothing smart at all. Recently I have added a temperature sensor, so I now have the …

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## [How to disabled the auto adjust for the groups in Dashboard](https://discourse.nodered.org/t/how-to-disabled-the-auto-adjust-for-the-groups-in-dashboard/68616)

<div class="topic-metadata">

**Author:** [@luisof16](https://discourse.nodered.org/u/luisof16)\
**Replies:** 2\
**Last updated:** [7 October 2022 00:17 UTC](https://discourse.nodered.org/t/how-to-disabled-the-auto-adjust-for-the-groups-in-dashboard/68616 "2022-10-07T00:17:33Z")

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I was working in a Dashboard with multiple groups, I have arrange the groups considering a resolution of 1280 x 768 but the problem occurs if the browser resolution is changing, the groups auto adjust but I loose the ori…

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## [Issue with NR - Losing connection on Azure Cloud](https://discourse.nodered.org/t/issue-with-nr-losing-connection-on-azure-cloud/67357)

<div class="topic-metadata">

**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 18\
**Last updated:** [6 October 2022 19:14 UTC](https://discourse.nodered.org/t/issue-with-nr-losing-connection-on-azure-cloud/67357 "2022-10-06T19:14:35Z")

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Hi , I have NR based on docker. Its on Azure Cloud. No internet access. The Editor keeps giving lost connection. We removed all flows and made it empty. Yet process starts and in few minutes we get "Lost Connection"…

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## [HOW set AWS/Node-Red MQTT broker if "IOT thing" is connected via "password authentication" NOT private certificates?](https://discourse.nodered.org/t/how-set-aws-node-red-mqtt-broker-if-iot-thing-is-connected-via-password-authentication-not-private-certificates/68645)

<div class="topic-metadata">

**Author:** [@lumanga](https://discourse.nodered.org/u/lumanga)\
**Replies:** 0\
**Last updated:** [6 October 2022 15:14 UTC](https://discourse.nodered.org/t/how-set-aws-node-red-mqtt-broker-if-iot-thing-is-connected-via-password-authentication-not-private-certificates/68645 "2022-10-06T15:14:24Z")

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Dear All I have Node-RED installed into an EC2 Virtual machine with Debian in AWS. Following this guide, I'm able to let connect my ESP32 to AWS via MQTT. In AWS IOT console Test, I see the data of the DHT22 sensor, …

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## [Date picker String in url part](https://discourse.nodered.org/t/date-picker-string-in-url-part/68637)

<div class="topic-metadata">

**Author:** [@dereine](https://discourse.nodered.org/u/dereine)\
**Replies:** 14\
**Last updated:** [6 October 2022 14:43 UTC](https://discourse.nodered.org/t/date-picker-string-in-url-part/68637 "2022-10-06T14:43:12Z")

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Hello i have a problem which i dont know how to solfe (read the paper for the date picker but it dosent work for me) i have this Date Picker in my Dashboard Now i want pick the date and trow it in a url. I have thi…

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## [Node-red-contrib-modbus installation failed](https://discourse.nodered.org/t/node-red-contrib-modbus-installation-failed/68630)

<div class="topic-metadata">

**Author:** [@colin0031](https://discourse.nodered.org/u/colin0031)\
**Replies:** 9\
**Last updated:** [6 October 2022 14:05 UTC](https://discourse.nodered.org/t/node-red-contrib-modbus-installation-failed/68630 "2022-10-06T14:05:53Z")

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node --version v16.17.1 npm --version 8.15.0 node-red-contrib-modbus installation issue. I have installed the mentioned modbus package on my local machine and it worked perfectly. But when try to install the same pack…

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## [Read file node ignores msg.filename](https://discourse.nodered.org/t/read-file-node-ignores-msg-filename/68551)

<div class="topic-metadata">

**Author:** [@evdheuvelUpl](https://discourse.nodered.org/u/evdheuvelUpl)\
**Replies:** 9\
**Last updated:** [6 October 2022 13:59 UTC](https://discourse.nodered.org/t/read-file-node-ignores-msg-filename/68551 "2022-10-06T13:59:01Z")

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According to the documentation of the "read file" node it should take the file to read from msg.filename by default. This doesn't seem to work on my end unless I specifically set it in the properties of the node. Does an…

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## [Node-red-contrib-modbus-tcp-ip ERROR](https://discourse.nodered.org/t/node-red-contrib-modbus-tcp-ip-error/68638)

<div class="topic-metadata">

**Author:** [@colin0031](https://discourse.nodered.org/u/colin0031)\
**Replies:** 1\
**Last updated:** [6 October 2022 13:31 UTC](https://discourse.nodered.org/t/node-red-contrib-modbus-tcp-ip-error/68638 "2022-10-06T13:31:37Z")

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node --version v16.17.1 npm --version 8.15.0 I am using "node-red-contrib-modbus-tcp-ip" node package for a modbus communication to IO box. Its being connected but it keeps getting disconnected with an error as show…

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## [OPC UA multiple subscription](https://discourse.nodered.org/t/opc-ua-multiple-subscription/68633)

<div class="topic-metadata">

**Author:** [@AlexAbril](https://discourse.nodered.org/u/AlexAbril)\
**Replies:** 4\
**Last updated:** [6 October 2022 12:47 UTC](https://discourse.nodered.org/t/opc-ua-multiple-subscription/68633 "2022-10-06T12:47:31Z")

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With node-RED v.3.0.2 using node-red-contrib-opcua v.0.2.289 I have tried to subscribe to one variable and device from an OPC-UA server using msg.topic of an injection node and all is right, receiving data from the subsc…

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## [Filter a SQL query with variables from a previous one in Node Red](https://discourse.nodered.org/t/filter-a-sql-query-with-variables-from-a-previous-one-in-node-red/68025)

<div class="topic-metadata">

**Author:** [@SigmaMan](https://discourse.nodered.org/u/SigmaMan)\
**Replies:** 11\
**Last updated:** [6 October 2022 11:23 UTC](https://discourse.nodered.org/t/filter-a-sql-query-with-variables-from-a-previous-one-in-node-red/68025 "2022-10-06T11:23:48Z")

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Hello all, I try to query one SQL database in a Node Red flow to extract a few fields and declare them as variables, then re-use them to filter a second SQL query from another database. I want to put the two msSQL node…

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