# Latest

**URL:** https://discourse.nodered.org/latest.md?page=923

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

**Page:** 924

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## [Extract URL from email](https://discourse.nodered.org/t/extract-url-from-email/38129)

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**Author:** [@bigmac5753](https://discourse.nodered.org/u/bigmac5753)\
**Replies:** 8\
**Last updated:** [29 December 2020 10:34 UTC](https://discourse.nodered.org/t/extract-url-from-email/38129 "2020-12-29T10:34:57Z")

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i'm using node-red-node-email to read email. What I want is to extract a URL from the email body, and send only that onwards, how can I do this?

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## [Uibuilder: Component Design + Example Components](https://discourse.nodered.org/t/uibuilder-component-design-example-components/32293)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 21\
**Last updated:** [29 December 2020 10:09 UTC](https://discourse.nodered.org/t/uibuilder-component-design-example-components/32293 "2020-12-29T10:09:39Z")

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Hi all, this topic is to capture ideas and decisions regarding the design of a VueJS component standard for uibuilder. uibuilder VueJS components will be standard pieces of front-end code with an agreed msg schema for c…

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## [Read an array of object](https://discourse.nodered.org/t/read-an-array-of-object/5978)

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**Author:** [@Flixm](https://discourse.nodered.org/u/Flixm)\
**Replies:** 4\
**Last updated:** [29 December 2020 09:30 UTC](https://discourse.nodered.org/t/read-an-array-of-object/5978 "2020-12-29T09:30:38Z")

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hi, i´m searchin for a solution to read this array of objects. It is the status of the Siemens Logo8 Outputs which is controlled from LogoControl. There i can use request when a output had changed the status. I want…

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## [Modbus status undefined?](https://discourse.nodered.org/t/modbus-status-undefined/38165)

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**Author:** [@traderjoe](https://discourse.nodered.org/u/traderjoe)\
**Replies:** 1\
**Last updated:** [28 December 2020 22:43 UTC](https://discourse.nodered.org/t/modbus-status-undefined/38165 "2020-12-28T22:43:57Z")

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I have a node red project that involves reading modbus TCP and placing values onto the dashboard. I can take up to 8 devices. I would like node red to pickup whether certain connections are made or not, so I can hide c…

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## [Deployment of flow now takes a long time](https://discourse.nodered.org/t/deployment-of-flow-now-takes-a-long-time/37902)

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**Author:** [@p\_1760](https://discourse.nodered.org/u/p_1760)\
**Replies:** 8\
**Last updated:** [29 December 2020 00:03 UTC](https://discourse.nodered.org/t/deployment-of-flow-now-takes-a-long-time/37902 "2020-12-29T00:03:12Z")

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Hi, I am developing a project by using node-red. But today I encountered the issue that deployment of flow is too long unlike other days including yesterday. I tried set trace level log of seetings.js and deploy only m…

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## [Help with structure of code. (Javascript)](https://discourse.nodered.org/t/help-with-structure-of-code-javascript/38021)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [28 December 2020 23:40 UTC](https://discourse.nodered.org/t/help-with-structure-of-code-javascript/38021 "2020-12-28T23:40:48Z")

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I don't want the answer given to me. Though I accept I am doing it the wrong way (maybe long would be a better word) I want to go through the motions and hope this helps me understand better what it is I am wanting to …

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## [Node red contribution](https://discourse.nodered.org/t/node-red-contribution/38099)

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**Author:** [@theo481](https://discourse.nodered.org/u/theo481)\
**Replies:** 4\
**Last updated:** [28 December 2020 23:25 UTC](https://discourse.nodered.org/t/node-red-contribution/38099 "2020-12-28T23:25:06Z")

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Hey everyone, and merry Christmas to all. I am kinda new here and am looking for some help and guidance. My aim is to create a new node, to interface a clickboard sensor to a BeagleBone Black. I have already written a…

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## [Node red Ui Automation using Selenium](https://discourse.nodered.org/t/node-red-ui-automation-using-selenium/38133)

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**Author:** [@Momen](https://discourse.nodered.org/u/Momen)\
**Replies:** 3\
**Last updated:** [28 December 2020 23:06 UTC](https://discourse.nodered.org/t/node-red-ui-automation-using-selenium/38133 "2020-12-28T23:06:51Z")

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Need to know whether we can able to automate the Node red Ui elements using the Selenium webdriver.

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## [Json object: convert string to number](https://discourse.nodered.org/t/json-object-convert-string-to-number/38166)

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**Author:** [@ueffchen](https://discourse.nodered.org/u/ueffchen)\
**Replies:** 2\
**Last updated:** [28 December 2020 22:22 UTC](https://discourse.nodered.org/t/json-object-convert-string-to-number/38166 "2020-12-28T22:22:49Z")

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Debug node payload.vars.1.value outputs string "16" I would like to convert that into a number, but if I use a function with msg.payload = new Number(msg.payload.vars.1.value); return msg; it gives me an error. An…

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## [SSH certificates not working anymore](https://discourse.nodered.org/t/ssh-certificates-not-working-anymore/9753)

<div class="topic-metadata">

**Author:** [@i8beef](https://discourse.nodered.org/u/i8beef)\
**Replies:** 14\
**Last updated:** [28 December 2020 21:44 UTC](https://discourse.nodered.org/t/ssh-certificates-not-working-anymore/9753 "2020-12-28T21:44:06Z")

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Upgraded my Docker image to the 0.20.4 image, and suddenly my known\_host mount doesn't seem to inject the Git SSH key into the container anymore. Did something change? Command below: docker run --restart=always --name …

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## [FILO database to support no network scenarios](https://discourse.nodered.org/t/filo-database-to-support-no-network-scenarios/35757)

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**Author:** [@bioshock2k](https://discourse.nodered.org/u/bioshock2k)\
**Replies:** 29\
**Last updated:** [28 December 2020 21:39 UTC](https://discourse.nodered.org/t/filo-database-to-support-no-network-scenarios/35757 "2020-12-28T21:39:29Z")

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Hi community, I need a DB that when the Internet connection goes out, the flow automatically stores information in the DB. When the internet recovers the flow should dump the information in a First in Last out order. …

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## [How to set bits in a variable](https://discourse.nodered.org/t/how-to-set-bits-in-a-variable/38156)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [28 December 2020 21:32 UTC](https://discourse.nodered.org/t/how-to-set-bits-in-a-variable/38156 "2020-12-28T21:32:55Z")

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I want to know how to un/set bits in a message/variable. What I find is not clear for me to understand.

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## [Trigger MQTT update?](https://discourse.nodered.org/t/trigger-mqtt-update/38154)

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**Author:** [@corin.corvus](https://discourse.nodered.org/u/corin.corvus)\
**Replies:** 6\
**Last updated:** [28 December 2020 21:28 UTC](https://discourse.nodered.org/t/trigger-mqtt-update/38154 "2020-12-28T21:28:30Z")

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Hi, in case of this thread: https://discourse.nodered.org/t/function-question/36572/8 i have the problem, that my energy plug update his "sensor" very slowly. While in the webgui i can see live changed of volt and watt…

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## [Share functionality between nodes](https://discourse.nodered.org/t/share-functionality-between-nodes/37717)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 7\
**Last updated:** [28 December 2020 21:01 UTC](https://discourse.nodered.org/t/share-functionality-between-nodes/37717 "2020-12-28T21:01:10Z")

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Hi folks, I developed a long time ago the node-red-contrib-msg-speed node. But I need to develop another node, which needs the reuse most of the internals as the speed node. I would like to share the functionality bet…

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## [\[ANNOUNCE\] node-red-contrib-msg-resend: version 1.0.0 beta](https://discourse.nodered.org/t/announce-node-red-contrib-msg-resend-version-1-0-0-beta/37929)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 2\
**Last updated:** [28 December 2020 20:34 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-msg-resend-version-1-0-0-beta/37929 "2020-12-28T20:34:34Z")

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Hi folks, My first Node-RED node ever was the node-red-contrib-msg-resend. I have now implemented a series of feature requests, so it has become a rather big makeover. So time for version 1.0.0: The msg.resend\_mess…

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## [Change node, modify message property](https://discourse.nodered.org/t/change-node-modify-message-property/38127)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 10\
**Last updated:** [28 December 2020 20:22 UTC](https://discourse.nodered.org/t/change-node-modify-message-property/38127 "2020-12-28T20:22:08Z")

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I know I have asked before, but can't remember the exact wording. Only to save using nodes, I want to change a message property in a change node. So what I want to do: I am getting msg.delay and multiply it by 1000. I…

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## [Extract the same mqtt topic value from 20 devices](https://discourse.nodered.org/t/extract-the-same-mqtt-topic-value-from-20-devices/38131)

<div class="topic-metadata">

**Author:** [@Zodiac-69](https://discourse.nodered.org/u/Zodiac-69)\
**Replies:** 9\
**Last updated:** [28 December 2020 19:16 UTC](https://discourse.nodered.org/t/extract-the-same-mqtt-topic-value-from-20-devices/38131 "2020-12-28T19:16:10Z")

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Hi All I have 20 units and i am trying to find a "better" way to sum all the payload values of the topics instead of having 20 mqtt in nodes. Here is an example of one topic: topic: "xyz/1/kW" payload: 25 qos: 2 re…

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## [Socketio-config missing, connect to websocket with rooms](https://discourse.nodered.org/t/socketio-config-missing-connect-to-websocket-with-rooms/38139)

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**Author:** [@christianskov](https://discourse.nodered.org/u/christianskov)\
**Replies:** 2\
**Last updated:** [28 December 2020 16:36 UTC](https://discourse.nodered.org/t/socketio-config-missing-connect-to-websocket-with-rooms/38139 "2020-12-28T16:36:54Z")

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Merry Christmas everyone! I’m having trouble with the module “node-red-contrib-socketio”. I can’t seem to find the “socketio-config” module? What could I be missing? I tried installing from within node-red and install…

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## [16bit signed temperature from buffer, Dynet protocol](https://discourse.nodered.org/t/16bit-signed-temperature-from-buffer-dynet-protocol/38149)

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**Author:** [@natm](https://discourse.nodered.org/u/natm)\
**Replies:** 2\
**Last updated:** [28 December 2020 19:13 UTC](https://discourse.nodered.org/t/16bit-signed-temperature-from-buffer-dynet-protocol/38149 "2020-12-28T19:13:04Z")

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Hello all, attempting to create a dashboard of temperatures in Celsius from Dynalite light switches. These are on an RS485 throughout the house, I can see the temperature regular broadcasts in the Windows app. I've conn…

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## [Question regarding subflow](https://discourse.nodered.org/t/question-regarding-subflow/38118)

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**Author:** [@kanke](https://discourse.nodered.org/u/kanke)\
**Replies:** 4\
**Last updated:** [28 December 2020 17:42 UTC](https://discourse.nodered.org/t/question-regarding-subflow/38118 "2020-12-28T17:42:36Z")

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I made a subflow that can be re-used. Below is what it shows when the mouse hovers over it. How can I put some help text to replace "no information available"? I tried to put in the 'edit property' -\> 'description' but n…

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## [Why the object has double brackets after get back from a flow](https://discourse.nodered.org/t/why-the-object-has-double-brackets-after-get-back-from-a-flow/38067)

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**Author:** [@chc69](https://discourse.nodered.org/u/chc69)\
**Replies:** 9\
**Last updated:** [28 December 2020 17:10 UTC](https://discourse.nodered.org/t/why-the-object-has-double-brackets-after-get-back-from-a-flow/38067 "2020-12-28T17:10:37Z")

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Hi I am currently develop a flow. The idea is a function node can aggregate multiple msg.payload in a pre-define JSON format. But, I am facing a strange problem, not sure why. Could you help me on this? Below is my cod…

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## [How do I access Node Red from mobile phone?](https://discourse.nodered.org/t/how-do-i-access-node-red-from-mobile-phone/38088)

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**Author:** [@szewen0101](https://discourse.nodered.org/u/szewen0101)\
**Replies:** 3\
**Last updated:** [28 December 2020 16:49 UTC](https://discourse.nodered.org/t/how-do-i-access-node-red-from-mobile-phone/38088 "2020-12-28T16:49:56Z")

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Hi! I want to access Node Red's dashboard from my phone. Note that I am using different WiFi. It is quite easy to access the dashboard using the same WiFi. How should I connect my mobile phone/ computer on other WiFi to…

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## [Error while Installing NPM npm i node-red-contrib-tfjs-coco-ssd](https://discourse.nodered.org/t/error-while-installing-npm-npm-i-node-red-contrib-tfjs-coco-ssd/38126)

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**Author:** [@Napoleon](https://discourse.nodered.org/u/Napoleon)\
**Replies:** 2\
**Last updated:** [28 December 2020 15:02 UTC](https://discourse.nodered.org/t/error-while-installing-npm-npm-i-node-red-contrib-tfjs-coco-ssd/38126 "2020-12-28T15:02:31Z")

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Hello all, I hope someone can help me. I would like to install the object recognition node-red-contrib-tfjs-coco-ssd on my RaspberryMatic. Unfortunately it does not install correctly. During the installation I get the …

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## [Json Array Delete & Change](https://discourse.nodered.org/t/json-array-delete-change/38136)

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**Author:** [@amii628](https://discourse.nodered.org/u/amii628)\
**Replies:** 8\
**Last updated:** [28 December 2020 14:59 UTC](https://discourse.nodered.org/t/json-array-delete-change/38136 "2020-12-28T14:59:55Z")

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Hi All, I am reading data from a BMS System of a site via web services. The response received from the system is in xml which i am converting to json using xml node. The converted json contains an array of 612 objects w…

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## [How to decode 16 bit unsigned integer](https://discourse.nodered.org/t/how-to-decode-16-bit-unsigned-integer/38114)

<div class="topic-metadata">

**Author:** [@oliver.es](https://discourse.nodered.org/u/oliver.es)\
**Replies:** 20\
**Last updated:** [28 December 2020 14:56 UTC](https://discourse.nodered.org/t/how-to-decode-16-bit-unsigned-integer/38114 "2020-12-28T14:56:23Z")

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Hi, I found a solution in this post by @Colin to decode 16 bit SIGNED integer, but I have in Modbus register voltage values as 16 bit UNSIGNED integer. If this msg.payload\[22\] = (msg.payload\[22\] \<\< 16) \>\> 16 works to 16…

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## [Max number of elements in array](https://discourse.nodered.org/t/max-number-of-elements-in-array/38117)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 2\
**Last updated:** [28 December 2020 06:52 UTC](https://discourse.nodered.org/t/max-number-of-elements-in-array/38117 "2020-12-28T06:52:28Z")

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I have a sensor (Shelly EM) which returns various readings over MQTT about power usage every 30 seconds, and I'm sending this to InfluxDB through Node-RED. I have Grafana hooked up and I'm able to visualise the data nice…

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## [Multiple mqtt data to single id](https://discourse.nodered.org/t/multiple-mqtt-data-to-single-id/38062)

<div class="topic-metadata">

**Author:** [@lindberg87](https://discourse.nodered.org/u/lindberg87)\
**Replies:** 18\
**Last updated:** [28 December 2020 00:01 UTC](https://discourse.nodered.org/t/multiple-mqtt-data-to-single-id/38062 "2020-12-28T00:01:34Z")

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Hey I need your help, I´m new to node red. How can I filter/seperate multiple mqtt input data to single ids ? I tried with this code, but it didn't work as I want it to do: (function node) paths = msg.topic.split("/…

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## [Log into a site and extract data without using nbrowser](https://discourse.nodered.org/t/log-into-a-site-and-extract-data-without-using-nbrowser/38108)

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**Author:** [@s.newave](https://discourse.nodered.org/u/s.newave)\
**Replies:** 2\
**Last updated:** [27 December 2020 22:50 UTC](https://discourse.nodered.org/t/log-into-a-site-and-extract-data-without-using-nbrowser/38108 "2020-12-27T22:50:34Z")

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Hi, I'm hoping to create a flow that visits this url (Amazon Sign In) and extracts one piece of data from it. To do this i'd need a flow to be able to sign in and handle any redirects back to the resulting page. After s…

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## [Forum - Terms of Service](https://discourse.nodered.org/t/forum-terms-of-service/38033)

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**Author:** [@woodlandsolitude](https://discourse.nodered.org/u/woodlandsolitude)\
**Replies:** 5\
**Last updated:** [27 December 2020 21:05 UTC](https://discourse.nodered.org/t/forum-terms-of-service/38033 "2020-12-27T21:05:03Z")

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I don't know where to mention it or if anybody ever read it but, something in the Terms of Service seems off... ....The Website is owned and operated by company\_full\_name (“company\_short\_name”)....

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## [Expose Node.js globals to function node](https://discourse.nodered.org/t/expose-node-js-globals-to-function-node/38101)

<div class="topic-metadata">

**Author:** [@tdiam](https://discourse.nodered.org/u/tdiam)\
**Replies:** 2\
**Last updated:** [27 December 2020 18:02 UTC](https://discourse.nodered.org/t/expose-node-js-globals-to-function-node/38101 "2020-12-27T18:02:57Z")

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Is there a policy on which of the Node.js globals are exposed to the function node? I'd personally like to use the URL and URLSearchParams objects which are exposed globally in Node.js v10 onwards. I could make a PR fo…

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