# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1279

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

**Page:** 1280

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## [Running arduino code on raspberry inside Node-RED](https://discourse.nodered.org/t/running-arduino-code-on-raspberry-inside-node-red/11052)

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**Author:** [@Orion](https://discourse.nodered.org/u/Orion)\
**Replies:** 6\
**Last updated:** [16 May 2019 12:27 UTC](https://discourse.nodered.org/t/running-arduino-code-on-raspberry-inside-node-red/11052 "2019-05-16T12:27:15Z")

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Hello, I'm totally new to Node-RED, so I would like to ask you what can I do if I have some sensors which I want to read and send measured values via MQTT to another platform. I already have all codes written and workin…

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## [Using Node config in HTML file (access Node config from frontend)](https://discourse.nodered.org/t/using-node-config-in-html-file-access-node-config-from-frontend/10856)

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**Author:** [@kosciak](https://discourse.nodered.org/u/kosciak)\
**Replies:** 11\
**Last updated:** [16 May 2019 08:43 UTC](https://discourse.nodered.org/t/using-node-config-in-html-file-access-node-config-from-frontend/10856 "2019-05-16T08:43:20Z")

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Hello, I'm working on an OpenFaaS/NodeRED plugin.. I want for Node configuration in browser, to display list of possible functions in form of dropdown. I have started working on it, but I'm unable to access node configur…

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## [Nodes - Debian 8 (jessie) and Debian 9 (stretch)](https://discourse.nodered.org/t/nodes-debian-8-jessie-and-debian-9-stretch/11097)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 13\
**Last updated:** [16 May 2019 08:01 UTC](https://discourse.nodered.org/t/nodes-debian-8-jessie-and-debian-9-stretch/11097 "2019-05-16T08:01:26Z")

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Hi, I see there are a lot on nodes supported on Jessie but not on Stretch, are there a patch on Stretch to make it support Jessie nodes?

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## [Idea for Visual UI builder + client-side Node-RED](https://discourse.nodered.org/t/idea-for-visual-ui-builder-client-side-node-red/11099)

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**Author:** [@BrotherCreamy](https://discourse.nodered.org/u/BrotherCreamy)\
**Replies:** 8\
**Last updated:** [16 May 2019 05:52 UTC](https://discourse.nodered.org/t/idea-for-visual-ui-builder-client-side-node-red/11099 "2019-05-16T05:52:36Z")

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Hi all, I've been thinking about this idea for a couple months now. It's not a new idea by any means, but I'd like to open a discussion about it. In a nutshell: I think Node-RED would benefit from an intuitive, visual…

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## [Suggestions wanted for load balancing to multiple servers](https://discourse.nodered.org/t/suggestions-wanted-for-load-balancing-to-multiple-servers/11077)

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**Author:** [@dennishvo](https://discourse.nodered.org/u/dennishvo)\
**Replies:** 10\
**Last updated:** [16 May 2019 00:32 UTC](https://discourse.nodered.org/t/suggestions-wanted-for-load-balancing-to-multiple-servers/11077 "2019-05-16T00:32:26Z")

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I have had a single server in production for more than a year, but I'm reaching the point where I need additional server instances to handle the load. The problem I'm trying to solve is my use of context. I have a databa…

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## [Scroll to bottom of template node](https://discourse.nodered.org/t/scroll-to-bottom-of-template-node/11190)

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**Author:** [@tve](https://discourse.nodered.org/u/tve)\
**Replies:** 0\
**Last updated:** [15 May 2019 22:59 UTC](https://discourse.nodered.org/t/scroll-to-bottom-of-template-node/11190 "2019-05-15T22:59:18Z")

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I'm using a template node to display a log and I'd like that to scroll to the end of the log entries when a new entry is added. I don't know much about angular, so I need help. Does someone have a relatively simple solut…

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## [Getting email attachments and sending them to google drive](https://discourse.nodered.org/t/getting-email-attachments-and-sending-them-to-google-drive/11167)

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**Author:** [@stewiethmad](https://discourse.nodered.org/u/stewiethmad)\
**Replies:** 1\
**Last updated:** [15 May 2019 21:11 UTC](https://discourse.nodered.org/t/getting-email-attachments-and-sending-them-to-google-drive/11167 "2019-05-15T21:11:05Z")

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I am new to node-red but it seems like a powerful tool! My question is being relatively new how realistic would it be for me to setup something up like the title suggests? I was browsing a various online solutions but wa…

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## [Newbie - The workspace contains some nodes that are not properly configured](https://discourse.nodered.org/t/newbie-the-workspace-contains-some-nodes-that-are-not-properly-configured/11175)

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**Author:** [@Moondog](https://discourse.nodered.org/u/Moondog)\
**Replies:** 8\
**Last updated:** [15 May 2019 19:08 UTC](https://discourse.nodered.org/t/newbie-the-workspace-contains-some-nodes-that-are-not-properly-configured/11175 "2019-05-15T19:08:57Z")

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I receive the following message when I deploy a simple flow (a switch controlling the output of a Pi gpio): " The workspace contains some nodes that are not properly configured: \[Flow 1\] sw1 (ui\_switch) " Any help w…

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## [Auto password complete](https://discourse.nodered.org/t/auto-password-complete/10875)

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**Author:** [@Mcxty](https://discourse.nodered.org/u/Mcxty)\
**Replies:** 13\
**Last updated:** [15 May 2019 16:41 UTC](https://discourse.nodered.org/t/auto-password-complete/10875 "2019-05-15T16:41:13Z")

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I use my email address as user name in certain nodes for signing into devices. When i come to set up a email node using the same address and email password the password is auto changing on deploy to the password used in…

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## [Pulling projects reloads all flows](https://discourse.nodered.org/t/pulling-projects-reloads-all-flows/11170)

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**Author:** [@joost](https://discourse.nodered.org/u/joost)\
**Replies:** 2\
**Last updated:** [15 May 2019 14:42 UTC](https://discourse.nodered.org/t/pulling-projects-reloads-all-flows/11170 "2019-05-15T14:42:20Z")

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Hi all, First post, so sorry if I'm missing some essentials here. I'm wondering if there is an option to not redeploy all flows when pulling a "project" from the repo. This is a bit of a risk for the currently running …

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## [Dynamic topic for mqtt input](https://discourse.nodered.org/t/dynamic-topic-for-mqtt-input/11157)

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**Author:** [@Jandos](https://discourse.nodered.org/u/Jandos)\
**Replies:** 8\
**Last updated:** [15 May 2019 12:35 UTC](https://discourse.nodered.org/t/dynamic-topic-for-mqtt-input/11157 "2019-05-15T12:35:38Z")

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I already read https://discourse.nodered.org/t/change-mqtt-input-node-topic-name/1864/17, but could not use it. I need an MQTT node, which is able, to subscribe to a variable topic. I want to use it within a flow, so i …

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## [Smart home status application for mobile phone](https://discourse.nodered.org/t/smart-home-status-application-for-mobile-phone/11113)

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**Author:** [@eschava](https://discourse.nodered.org/u/eschava)\
**Replies:** 1\
**Last updated:** [15 May 2019 12:27 UTC](https://discourse.nodered.org/t/smart-home-status-application-for-mobile-phone/11113 "2019-05-15T12:27:16Z")

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Hello all Node-Red users! This topic is created for the discussion of one thing that I miss in Node-Red. On the other hand, such a thing would be useful for any home automation system My home has ~20 sensors and very o…

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## [Append a msg.paylaod](https://discourse.nodered.org/t/append-a-msg-paylaod/10883)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 0\
**Last updated:** [7 May 2019 11:35 UTC](https://discourse.nodered.org/t/append-a-msg-paylaod/10883 "2019-05-07T11:35:29Z")

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i have a ui-template node i append this div inside toolbar When, i send msg.payload to this template ,the content of {{msg.payload}} doesn't display on toolbar !! But it displays on the group. I wonder, do i need to a…

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## [Weather icons don't work on one machine](https://discourse.nodered.org/t/weather-icons-dont-work-on-one-machine/11104)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 19\
**Last updated:** [15 May 2019 09:24 UTC](https://discourse.nodered.org/t/weather-icons-dont-work-on-one-machine/11104 "2019-05-15T09:24:10Z")

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I have a bigger NUC with power and installed weather icons. They work on there. I got a bit of a flow working. I then went to my favourite RPI and it is installed on that machine too.l But when I import the flow it d…

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## [Nodes to control PC](https://discourse.nodered.org/t/nodes-to-control-pc/11129)

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**Author:** [@Michal666](https://discourse.nodered.org/u/Michal666)\
**Replies:** 1\
**Last updated:** [15 May 2019 08:14 UTC](https://discourse.nodered.org/t/nodes-to-control-pc/11129 "2019-05-15T08:14:36Z")

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Hi, I am new to node red and I was trying to search some nodes to control PC, for example to start chrome and go to netflix page. Could you please help and answer how to achive this ?

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## [Dashboard Template](https://discourse.nodered.org/t/dashboard-template/11136)

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**Author:** [@Kwonsoyeong](https://discourse.nodered.org/u/Kwonsoyeong)\
**Replies:** 1\
**Last updated:** [15 May 2019 08:06 UTC](https://discourse.nodered.org/t/dashboard-template/11136 "2019-05-15T08:06:54Z")

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I want to make dashboard template node. When I gave a data, automatic make template. It is impossible? This is my template. The value is continually added every time new data comes in. Then I want to keep adding a smal…

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## [Duplicated data](https://discourse.nodered.org/t/duplicated-data/11115)

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**Author:** [@Kwonsoyeong](https://discourse.nodered.org/u/Kwonsoyeong)\
**Replies:** 1\
**Last updated:** [14 May 2019 20:44 UTC](https://discourse.nodered.org/t/duplicated-data/11115 "2019-05-14T20:44:11Z")

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I want to write msg.payload data in my dashboard. I want to put the msg.addr data in the first vertical line and the msg.c\_rate data in the second vertical line. This is the template source I wrote. \<table layout="row"…

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## [Looking for timing nodes](https://discourse.nodered.org/t/looking-for-timing-nodes/11073)

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**Author:** [@awsteve](https://discourse.nodered.org/u/awsteve)\
**Replies:** 2\
**Last updated:** [14 May 2019 18:59 UTC](https://discourse.nodered.org/t/looking-for-timing-nodes/11073 "2019-05-14T18:59:57Z")

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I'm a PLC programmer, so Node-Red is new to me. I'm trying to find some nodes that would be similar to the traditional PLC TON (Timer On-Delay) and TOF (Timer Off-Delay) instructions. Below is an example of the PLC ins…

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## [Change mqtt-input node topic name](https://discourse.nodered.org/t/change-mqtt-input-node-topic-name/1864)

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**Author:** [@zapicoj](https://discourse.nodered.org/u/zapicoj)\
**Replies:** 19\
**Last updated:** [14 May 2019 15:23 UTC](https://discourse.nodered.org/t/change-mqtt-input-node-topic-name/1864 "2019-05-14T15:23:36Z")

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Hi, Is there a way to modify the topic of mqtt input nodes from one script ? and then do a full deployment . I did one script to modify topics in the flow file (from command line), but it’s necessary to stop node-red …

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## [ARM64v8 Docker support](https://discourse.nodered.org/t/arm64v8-docker-support/11125)

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**Author:** [@PedroLamas](https://discourse.nodered.org/u/PedroLamas)\
**Replies:** 0\
**Last updated:** [14 May 2019 14:57 UTC](https://discourse.nodered.org/t/arm64v8-docker-support/11125 "2019-05-14T14:57:59Z")

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I've been using Node-RED in Docker for a while on a NanoPi NEO 2, however, none of the current Docker images was suitable for my needs as this particular device requires ARM64v8 images. So I based on the current ARMv8 D…

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## [Custom node: chart in my editor](https://discourse.nodered.org/t/custom-node-chart-in-my-editor/10939)

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**Author:** [@Louise](https://discourse.nodered.org/u/Louise)\
**Replies:** 5\
**Last updated:** [14 May 2019 12:36 UTC](https://discourse.nodered.org/t/custom-node-chart-in-my-editor/10939 "2019-05-14T12:36:30Z")

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Hello everybody, You guys helped me so well with my custom nodes so far! In the editor of my node I want to display a dynamic chart whichs depends on the node properties. I have absolutely no idea how to do this. \<!-- \<…

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## [Box.com node: ReferenceError: BoxSDK is not defined](https://discourse.nodered.org/t/box-com-node-referenceerror-boxsdk-is-not-defined/11069)

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**Author:** [@support4S](https://discourse.nodered.org/u/support4S)\
**Replies:** 5\
**Last updated:** [14 May 2019 11:45 UTC](https://discourse.nodered.org/t/box-com-node-referenceerror-boxsdk-is-not-defined/11069 "2019-05-14T11:45:22Z")

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Dear readers, I'm trying to connect my Node-RED with the box.com node. I follow the steps from the next link: https://github.com/watson-developer-cloud/node-red-labs/tree/master/utilities/box\_setup But after "Grant a…

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## [UDP Send and receive when using node red in docker container](https://discourse.nodered.org/t/udp-send-and-receive-when-using-node-red-in-docker-container/11114)

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**Author:** [@echtelerp](https://discourse.nodered.org/u/echtelerp)\
**Replies:** 3\
**Last updated:** [14 May 2019 11:21 UTC](https://discourse.nodered.org/t/udp-send-and-receive-when-using-node-red-in-docker-container/11114 "2019-05-14T11:21:18Z")

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Hi There, I'm trying to send and receive massages via UDP with two Node-Red instances installed via Docker containers. Flows on instance 1: \[ { "id": "3affecfb.85c07c", "type": "inject", "z…

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## [Raspberry Pi 3 USB camera for filming](https://discourse.nodered.org/t/raspberry-pi-3-usb-camera-for-filming/11107)

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**Author:** [@anon4382222](https://discourse.nodered.org/u/anon4382222)\
**Replies:** 2\
**Last updated:** [14 May 2019 10:59 UTC](https://discourse.nodered.org/t/raspberry-pi-3-usb-camera-for-filming/11107 "2019-05-14T10:59:21Z")

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Hi, Any ideas how I can let my usb camera film for a specific amount of seconds and then save it to a map on my Pi? I am now using USB camera node to take pictures but instead of pictures I want it to make a short video…

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## [Getting Data from a String](https://discourse.nodered.org/t/getting-data-from-a-string/11072)

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**Author:** [@llamedos](https://discourse.nodered.org/u/llamedos)\
**Replies:** 3\
**Last updated:** [14 May 2019 10:40 UTC](https://discourse.nodered.org/t/getting-data-from-a-string/11072 "2019-05-14T10:40:30Z")

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I need some help! I am not a developer but I have used node red for a solar monitor and it is working great. I have purchased a WiFi temperature monitor that has an API, which it is giving me in a string format (See Belo…

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## [Err\_spdy\_protocol\_error 200](https://discourse.nodered.org/t/err-spdy-protocol-error-200/11024)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 8\
**Last updated:** [14 May 2019 08:31 UTC](https://discourse.nodered.org/t/err-spdy-protocol-error-200/11024 "2019-05-14T08:31:38Z")

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Increasingly, whenever I open the node-RED editor (v0.20.5) the editor page opens fine, but the flows are missing, and I have a blank workspace as per the screenshot below. Quite often reloading the page (F5) restores t…

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## [Md-switch in template node 19.6 vs 20.5](https://discourse.nodered.org/t/md-switch-in-template-node-19-6-vs-20-5/11063)

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**Author:** [@karlbo](https://discourse.nodered.org/u/karlbo)\
**Replies:** 5\
**Last updated:** [14 May 2019 07:57 UTC](https://discourse.nodered.org/t/md-switch-in-template-node-19-6-vs-20-5/11063 "2019-05-14T07:57:32Z")

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Hi there, been awhile since my last visit. started testing the new 20.5 version of node red yesterday, and discovered a different behavior on lots of tthings, but the one regarding color settings on md-switch got me pus…

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## [Request interceptor](https://discourse.nodered.org/t/request-interceptor/11098)

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**Author:** [@safrazhanas](https://discourse.nodered.org/u/safrazhanas)\
**Replies:** 0\
**Last updated:** [14 May 2019 06:41 UTC](https://discourse.nodered.org/t/request-interceptor/11098 "2019-05-14T06:41:58Z")

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I'm using node-red 0.20.0 as embedded. i need to set request header for every request. i modified red.js (before server.listen) as below app.use(function(req, res, next) { console.log('##############################…

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## [List stopped working](https://discourse.nodered.org/t/list-stopped-working/11095)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [14 May 2019 05:56 UTC](https://discourse.nodered.org/t/list-stopped-working/11095 "2019-05-14T05:56:35Z")

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I found (somewhere) (here) a bit of code to list things in a msg.payload to a window/list. It worked. (Note: past tense) I have not done anything to that part of the flow, so I am now stuck why it isn't working. Th…

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## [Dashboard Gauge unit conversion](https://discourse.nodered.org/t/dashboard-gauge-unit-conversion/11053)

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**Author:** [@Bobo](https://discourse.nodered.org/u/Bobo)\
**Replies:** 9\
**Last updated:** [14 May 2019 02:03 UTC](https://discourse.nodered.org/t/dashboard-gauge-unit-conversion/11053 "2019-05-14T02:03:56Z")

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Using the gauge as a temperature display, the input to it is in F. I have used the angular expression {{ (payload.currently.temperature - 32) \* 5/9 | number:0 }} to convert to C (in the Value Format field). The numeric…

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