# Latest

**URL:** https://discourse.nodered.org/latest.md?page=776

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

**Page:** 777

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## [Function node: How to "OR" operate](https://discourse.nodered.org/t/function-node-how-to-or-operate/48245)

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**Author:** [@RonMa](https://discourse.nodered.org/u/RonMa)\
**Replies:** 3\
**Last updated:** [10 July 2021 12:50 UTC](https://discourse.nodered.org/t/function-node-how-to-or-operate/48245 "2021-07-10T12:50:09Z")

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Hi guys, For one of my Alexa based flows, I´m trying to define the room in which the echo device is located that one is speaking to. Unfortunately, the corresponding "Alexa Event" node does not deliver the information a…

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## [Using WebRelay Tunnel with Node Red Dashboard](https://discourse.nodered.org/t/using-webrelay-tunnel-with-node-red-dashboard/47910)

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**Author:** [@Luke-Gilbert](https://discourse.nodered.org/u/Luke-Gilbert)\
**Replies:** 19\
**Last updated:** [10 July 2021 15:50 UTC](https://discourse.nodered.org/t/using-webrelay-tunnel-with-node-red-dashboard/47910 "2021-07-10T15:50:10Z")

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I have been using a Webhook Relay tunnel to be able to access my dashboard from anywhere not just my network. However I get a blank page: If I access the dashboard normally It works fine. In the inspect mode console…

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## [Dashboard Enhancements](https://discourse.nodered.org/t/dashboard-enhancements/48204)

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**Author:** [@Darwin](https://discourse.nodered.org/u/Darwin)\
**Replies:** 1\
**Last updated:** [10 July 2021 15:36 UTC](https://discourse.nodered.org/t/dashboard-enhancements/48204 "2021-07-10T15:36:14Z")

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Flexible Dashboard Elements For simple and fast installation of similar dashboards, it would be a nice feature to have all parameters of elements fully configurable via the input msg. I give some examples based on the ga…

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## [LIDL Smart LED bulb HG06106C](https://discourse.nodered.org/t/lidl-smart-led-bulb-hg06106c/48246)

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**Author:** [@tpbillund](https://discourse.nodered.org/u/tpbillund)\
**Replies:** 10\
**Last updated:** [10 July 2021 14:22 UTC](https://discourse.nodered.org/t/lidl-smart-led-bulb-hg06106c/48246 "2021-07-10T14:22:09Z")

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Hi. I have got a LIDL LED bulb HG06106C and have connected it to Zigbee2Mqtt. It works and I can change the colors. My question is... I have Node-RED and can use the "node-red-contrib-zigbee2mqtt" add-on to get the st…

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## [Advanced charting for mdashboard (vega?)](https://discourse.nodered.org/t/advanced-charting-for-mdashboard-vega/48241)

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**Author:** [@nerevar](https://discourse.nodered.org/u/nerevar)\
**Replies:** 2\
**Last updated:** [10 July 2021 10:03 UTC](https://discourse.nodered.org/t/advanced-charting-for-mdashboard-vega/48241 "2021-07-10T10:03:18Z")

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Hello all, for the last 2 weeks I've been creating new chart in Vega which would replace my current mdashboard chart node. I need timeline + line + point chart all in one. As this can't be done in mdashboard chart I've…

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## [Max "Array Number" in a msg.payload](https://discourse.nodered.org/t/max-array-number-in-a-msg-payload/48219)

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**Author:** [@finch6](https://discourse.nodered.org/u/finch6)\
**Replies:** 4\
**Last updated:** [10 July 2021 09:42 UTC](https://discourse.nodered.org/t/max-array-number-in-a-msg-payload/48219 "2021-07-10T09:42:06Z")

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Hi all, I'm fairly new to Node-Red, so please forgive me incorrectly naming things if I do... I'm trying to use Node-Red to pull data from a Corona API and push this to a telegram bot. I have managed to set up the Tel…

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## [Sending an Email with a copy to 'Sent Mail'-Folder](https://discourse.nodered.org/t/sending-an-email-with-a-copy-to-sent-mail-folder/48222)

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**Author:** [@tfuchs1987](https://discourse.nodered.org/u/tfuchs1987)\
**Replies:** 7\
**Last updated:** [10 July 2021 00:27 UTC](https://discourse.nodered.org/t/sending-an-email-with-a-copy-to-sent-mail-folder/48222 "2021-07-10T00:27:56Z")

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Hi Forum, hope you can guide me in the right direction because I'm uncertain how I could achieve this or where to start. Sending an Email with Node-RED v1.3.5 using the Node node-red-node-email v1.12.2 a copy to the 'Se…

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## [Background from a picture](https://discourse.nodered.org/t/background-from-a-picture/48184)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 21\
**Last updated:** [9 July 2021 22:14 UTC](https://discourse.nodered.org/t/background-from-a-picture/48184 "2021-07-09T22:14:38Z")

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Hello! Is there a way to remove the background from a picture? Here's an example.

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## [Can't update NodeRed on Pi3](https://discourse.nodered.org/t/cant-update-nodered-on-pi3/48208)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 83\
**Last updated:** [9 July 2021 21:29 UTC](https://discourse.nodered.org/t/cant-update-nodered-on-pi3/48208 "2021-07-09T21:29:46Z")

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Hi, I'm using the bash recomended: bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) But it says I've the nodejs version 10 and won't proceed. I've remove…

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## [Github Authentication Changing as of August 13, 2021](https://discourse.nodered.org/t/github-authentication-changing-as-of-august-13-2021/48221)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 1\
**Last updated:** [9 July 2021 20:14 UTC](https://discourse.nodered.org/t/github-authentication-changing-as-of-august-13-2021/48221 "2021-07-09T20:14:56Z")

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This has been happening for a little while now but when I commit my project to github, node-red asks for my loginId/password combo. I have been receiving an email from github that they method of authenticating will be de…

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## [Multiple URL posts in a single session](https://discourse.nodered.org/t/multiple-url-posts-in-a-single-session/48191)

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**Author:** [@zuasive](https://discourse.nodered.org/u/zuasive)\
**Replies:** 10\
**Last updated:** [9 July 2021 15:26 UTC](https://discourse.nodered.org/t/multiple-url-posts-in-a-single-session/48191 "2021-07-09T15:26:41Z")

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Hello everyone, I have a bit of a conundrum that I'm not sure why it is occuring. I'm building a middleware of sorts to facilitate the communications of two systems. It's fairly straight forward and I've already had suc…

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## [Setting time into flow](https://discourse.nodered.org/t/setting-time-into-flow/48209)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 1\
**Last updated:** [9 July 2021 10:54 UTC](https://discourse.nodered.org/t/setting-time-into-flow/48209 "2021-07-09T10:54:52Z")

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I have a flow which is inserting data into mongo db database. I am using trigger node so that my flow will keep on running for 4 hrs. let us consider i have started flow at 8 AM it will insert data into database after 4…

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## [If I have 1 input but multi output...How to do?](https://discourse.nodered.org/t/if-i-have-1-input-but-multi-output-how-to-do/48156)

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**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 37\
**Last updated:** [9 July 2021 09:57 UTC](https://discourse.nodered.org/t/if-i-have-1-input-but-multi-output-how-to-do/48156 "2021-07-09T09:57:34Z")

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Dear All Sir : Look at Pic and below : Just 1 input(RX). The function node code like: for(i=0;i\<6;i++) { switch(rx\_data\[1\]) { case 0 : //show o3 value msg.topic="Read\_All\_is\_OK"; …

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## [Transforming the serial message into a json object](https://discourse.nodered.org/t/transforming-the-serial-message-into-a-json-object/48077)

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**Author:** [@comkin](https://discourse.nodered.org/u/comkin)\
**Replies:** 5\
**Last updated:** [9 July 2021 09:55 UTC](https://discourse.nodered.org/t/transforming-the-serial-message-into-a-json-object/48077 "2021-07-09T09:55:39Z")

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Good morning, I need to take a serial message that the arduino sends me on usb and transfer it to a database (influxdb) Making it readable Type: sensor: 20 sensor2: 35

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## [USB webcam issue](https://discourse.nodered.org/t/usb-webcam-issue/48200)

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**Author:** [@MK1992](https://discourse.nodered.org/u/MK1992)\
**Replies:** 7\
**Last updated:** [9 July 2021 07:57 UTC](https://discourse.nodered.org/t/usb-webcam-issue/48200 "2021-07-09T07:57:09Z")

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Hi I want to make some adjustment to usb camera. So once the push button is pressed, webcam will capture the image but the problem is after it is captured, it will saved as 'image01.png' and next time when I press the bu…

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## [\[Announce\] Dashboard 2.30.0](https://discourse.nodered.org/t/announce-dashboard-2-30-0/48205)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 0\
**Last updated:** [9 July 2021 07:55 UTC](https://discourse.nodered.org/t/announce-dashboard-2-30-0/48205 "2021-07-09T07:55:36Z")

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Mostly just small bug fixes - but added a Site option to let swipe open and close the menu rather than actually move tabs (or do nothing). I have also disabled mouse swipe so that text fields can now be copied/cut cor…

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## [Sometimes no values in text input](https://discourse.nodered.org/t/sometimes-no-values-in-text-input/48148)

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**Author:** [@steifhahn](https://discourse.nodered.org/u/steifhahn)\
**Replies:** 2\
**Last updated:** [9 July 2021 07:27 UTC](https://discourse.nodered.org/t/sometimes-no-values-in-text-input/48148 "2021-07-09T07:27:56Z")

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Hi everybody. I use a text input configured as time picker to read and set a time value. From time to time it happens that text field is empty. Here is the flow: Using a S7 in & output node \[{"id":"e0a821f9.b71ec","ty…

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## [Multiple Docker Node-RED containers without orphan containers](https://discourse.nodered.org/t/multiple-docker-node-red-containers-without-orphan-containers/48176)

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**Author:** [@DuncanCT](https://discourse.nodered.org/u/DuncanCT)\
**Replies:** 4\
**Last updated:** [9 July 2021 04:21 UTC](https://discourse.nodered.org/t/multiple-docker-node-red-containers-without-orphan-containers/48176 "2021-07-09T04:21:02Z")

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I'm trying to run multiple docker container, see compose file below... version: "3.7" services: node-red: image: nodered/node-red:latest environment: - TZ=Europe/Amsterdam ports: - "1880:1880"…

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## [Is there a nicer way to do this with UI\_Table](https://discourse.nodered.org/t/is-there-a-nicer-way-to-do-this-with-ui-table/48155)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 7\
**Last updated:** [9 July 2021 03:07 UTC](https://discourse.nodered.org/t/is-there-a-nicer-way-to-do-this-with-ui-table/48155 "2021-07-09T03:07:34Z")

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Guys, I tagged onto the back of a previous message with Examples about ui\_Table, templates etc What i am trying do i thought would be pretty simple Essentially my electricity provider gives me 5 minute pricing offset …

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## [Hostname/IP does not match certificate's alternates](https://discourse.nodered.org/t/hostname-ip-does-not-match-certificates-alternates/48195)

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**Author:** [@stathisaska](https://discourse.nodered.org/u/stathisaska)\
**Replies:** 1\
**Last updated:** [9 July 2021 01:13 UTC](https://discourse.nodered.org/t/hostname-ip-does-not-match-certificates-alternates/48195 "2021-07-09T01:13:03Z")

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Hello everyone ! I have installed Node Red on Synology NAS using Docker. I have also imported these nodes I am experiencing an issue where some nodes return the following error \[ERR\_TLS\_CERT\_ALTNAME\_INVALID\] Hostname…

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## [Getting error opening node-red](https://discourse.nodered.org/t/getting-error-opening-node-red/48183)

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**Author:** [@kegaul1](https://discourse.nodered.org/u/kegaul1)\
**Replies:** 1\
**Last updated:** [9 July 2021 01:03 UTC](https://discourse.nodered.org/t/getting-error-opening-node-red/48183 "2021-07-09T01:03:42Z")

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Credentials could not be decrypted The flow credential file is encrypted, but the project's encryption key is missing or invalid. The flow credential file will be reset on the next deployment. Any existing flow credent…

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## [Process object memoryUsage()](https://discourse.nodered.org/t/process-object-memoryusage/48193)

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**Author:** [@namgk](https://discourse.nodered.org/u/namgk)\
**Replies:** 1\
**Last updated:** [8 July 2021 22:50 UTC](https://discourse.nodered.org/t/process-object-memoryusage/48193 "2021-07-08T22:50:59Z")

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Hi there, I'd like to access the process object inside the function code, such as to know the memory usage of the runtime: msg.payload = process.memoryUsage() Is there a way to do this? Thanks

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## [\[New Release\] node-red-contrib-uibuilder - v3.3.0](https://discourse.nodered.org/t/new-release-node-red-contrib-uibuilder-v3-3-0/45641)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 17\
**Last updated:** [8 July 2021 21:27 UTC](https://discourse.nodered.org/t/new-release-node-red-contrib-uibuilder-v3-3-0/45641 "2021-07-08T21:27:26Z")

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Hi all, I'm pleased to announce that uibuilder v3.3.0 has just been published and is available. A couple of nice new features in this release along with a load more bugs squashed and a lot of code refactoring which pave…

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## [Two suggestions for tiny enhancements](https://discourse.nodered.org/t/two-suggestions-for-tiny-enhancements/48100)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 4\
**Last updated:** [8 July 2021 15:02 UTC](https://discourse.nodered.org/t/two-suggestions-for-tiny-enhancements/48100 "2021-07-08T15:02:22Z")

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1 Allow a setting for the background & foreground colour of comment nodes in the editor. Some comments are mundane, some hold important information. eg I have a comment containing the SQL database structure which is im…

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## [Multipart data (json +file)](https://discourse.nodered.org/t/multipart-data-json-file/48134)

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**Author:** [@yupadhye](https://discourse.nodered.org/u/yupadhye)\
**Replies:** 5\
**Last updated:** [8 July 2021 14:37 UTC](https://discourse.nodered.org/t/multipart-data-json-file/48134 "2021-07-08T14:37:28Z")

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Hello I want to send HTTP post request that has json + file upload. Can I do it in one shot? Or I have to send json first and then attachment (file)? Can someone please guide?

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## [Different dashboard after power outlet](https://discourse.nodered.org/t/different-dashboard-after-power-outlet/48098)

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**Author:** [@linqan](https://discourse.nodered.org/u/linqan)\
**Replies:** 23\
**Last updated:** [8 July 2021 12:55 UTC](https://discourse.nodered.org/t/different-dashboard-after-power-outlet/48098 "2021-07-08T12:55:52Z")

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Hi, I'm new to Node Red, most of my work is kind of copy/paste from here and other forums. Bear with me, it's story time. I installed node-red on my Synology NAS this february and built my dashboard from there. Everythi…

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## [Can you open side menu with a swipe from left to right ? (Touchscreen)](https://discourse.nodered.org/t/can-you-open-side-menu-with-a-swipe-from-left-to-right-touchscreen/48119)

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**Author:** [@Ithoh](https://discourse.nodered.org/u/Ithoh)\
**Replies:** 5\
**Last updated:** [8 July 2021 09:47 UTC](https://discourse.nodered.org/t/can-you-open-side-menu-with-a-swipe-from-left-to-right-touchscreen/48119 "2021-07-08T09:47:20Z")

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Good morning / afternoon, I'm using the dashboard on a touch screen, I would like to know if there's a simple way of opening the side menu with a swipe from left to right ? (I don't like the navigate between tabs with s…

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## [How to change the label in palette and rename it?](https://discourse.nodered.org/t/how-to-change-the-label-in-palette-and-rename-it/48158)

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**Author:** [@dpdjdodo](https://discourse.nodered.org/u/dpdjdodo)\
**Replies:** 6\
**Last updated:** [8 July 2021 09:43 UTC](https://discourse.nodered.org/t/how-to-change-the-label-in-palette-and-rename-it/48158 "2021-07-08T09:43:57Z")

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Should I download some files in palette manager? or revise code? node.js version: 14.17.3 npm version: 6.14.13

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## [Google calendar events](https://discourse.nodered.org/t/google-calendar-events/48123)

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**Author:** [@grandautism](https://discourse.nodered.org/u/grandautism)\
**Replies:** 5\
**Last updated:** [8 July 2021 09:40 UTC](https://discourse.nodered.org/t/google-calendar-events/48123 "2021-07-08T09:40:18Z")

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I want to create events on my calendar via NodeRed, I used node-red-contrib-google-oauth-calendar here is my function code, but it didn't work I can only read my calendar events not add event. there is another way t…

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## [The CRC16 code in the flow example is strange](https://discourse.nodered.org/t/the-crc16-code-in-the-flow-example-is-strange/48164)

<div class="topic-metadata">

**Author:** [@Athurian](https://discourse.nodered.org/u/Athurian)\
**Replies:** 4\
**Last updated:** [8 July 2021 09:17 UTC](https://discourse.nodered.org/t/the-crc16-code-in-the-flow-example-is-strange/48164 "2021-07-08T09:17:20Z")

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I used the example code below. https://flows.nodered.org/flow/28e9e10c72a9d00f438ec1150734c7a9 The problem arises only with certain strings. The string looks like this: 01035000010000000000020000000000000000000000000…

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