# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1374

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

**Page:** 1375

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## [Odd pressure reading](https://discourse.nodered.org/t/odd-pressure-reading/2231)

<div class="topic-metadata">

**Author:** [@Backup](https://discourse.nodered.org/u/Backup)\
**Replies:** 11\
**Last updated:** [12 August 2018 19:40 UTC](https://discourse.nodered.org/t/odd-pressure-reading/2231 "2018-08-12T19:40:12Z")

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I have connected to www.openweathermap.org and am receiving weather data in json format. I've managed to split the data to individual items but pressure is making me wonder about units. I'm getting 1017 for a reading a…

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## [Website format strangeness](https://discourse.nodered.org/t/website-format-strangeness/769)

<div class="topic-metadata">

**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 3\
**Last updated:** [12 August 2018 15:34 UTC](https://discourse.nodered.org/t/website-format-strangeness/769 "2018-08-12T15:34:06Z")

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Trivial, except to those of us with OCD. Viewing in a narrow window such as on my iPad, the menu bar layout on the “flows” page wraps before it does on the other pages. \[001\] Probably not worth the bother to fix, but I…

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## [Forum etiquette suggestions](https://discourse.nodered.org/t/forum-etiquette-suggestions/2230)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 1\
**Last updated:** [12 August 2018 09:42 UTC](https://discourse.nodered.org/t/forum-etiquette-suggestions/2230 "2018-08-12T09:42:12Z")

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I've just returned from travel (off the net) to face a large backlog of unread posts on the forum. Two things would have been a great help in deciding which messages to read first or read carefully. First, when a poster …

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## [Setting the icon colour](https://discourse.nodered.org/t/setting-the-icon-colour/2224)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 9\
**Last updated:** [12 August 2018 08:19 UTC](https://discourse.nodered.org/t/setting-the-icon-colour/2224 "2018-08-12T08:19:55Z")

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I have built this bit of code which sets the icon colour when a message is received. But it is limited to a couple of colours defined by the nr-dashboard-xxxx I am wanting to send it different colours. Either with the…

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## [Tweaking the Dashboards for non-matched group sizes](https://discourse.nodered.org/t/tweaking-the-dashboards-for-non-matched-group-sizes/2222)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [12 August 2018 01:09 UTC](https://discourse.nodered.org/t/tweaking-the-dashboards-for-non-matched-group-sizes/2222 "2018-08-12T01:09:19Z")

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The default settings for the "widgets" (buttons?) in the SITE part. There are settings for the 1x1 widget, Widget spacing, Group spacing, Group padding. If "you" edit the size of some/any of these, it can cause ali…

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## [Node Red Fail Service](https://discourse.nodered.org/t/node-red-fail-service/2225)

<div class="topic-metadata">

**Author:** [@kalyanbl](https://discourse.nodered.org/u/kalyanbl)\
**Replies:** 2\
**Last updated:** [11 August 2018 10:46 UTC](https://discourse.nodered.org/t/node-red-fail-service/2225 "2018-08-11T10:46:04Z")

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Hi folks, I'm running the red node in Linux (raspbian) and am experiencing some problems. It constantly restarts unexpectedly by displaying the following log messages: 25 Jul 02:35:47 - \[red\] Uncaught Exception: 25 Ju…

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## [Fail Service Node Red](https://discourse.nodered.org/t/fail-service-node-red/2227)

<div class="topic-metadata">

**Author:** [@kalyanbl](https://discourse.nodered.org/u/kalyanbl)\
**Replies:** 1\
**Last updated:** [11 August 2018 10:38 UTC](https://discourse.nodered.org/t/fail-service-node-red/2227 "2018-08-11T10:38:39Z")

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Hi folks, I'm running the red node in Linux (raspbian) and am experiencing some problems. It constantly restarts unexpectedly by displaying the following log messages: 25 Jul 02:35:47 - \[red\] Uncaught Exception: 25 Ju…

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## [How to Connect Node-RED to High Charts for generating reports?](https://discourse.nodered.org/t/how-to-connect-node-red-to-high-charts-for-generating-reports/2220)

<div class="topic-metadata">

**Author:** [@M-M-Labhe](https://discourse.nodered.org/u/M-M-Labhe)\
**Replies:** 2\
**Last updated:** [11 August 2018 07:31 UTC](https://discourse.nodered.org/t/how-to-connect-node-red-to-high-charts-for-generating-reports/2220 "2018-08-11T07:31:38Z")

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I want to connect Real - Time as well as Historical Data sources to High Charts using Node-RED. Is it possible? If yes, how to do it?

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## [Power supply setup](https://discourse.nodered.org/t/power-supply-setup/2200)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 12\
**Last updated:** [11 August 2018 07:11 UTC](https://discourse.nodered.org/t/power-supply-setup/2200 "2018-08-11T07:11:48Z")

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Hi folks, This question is not NR related, but I think enough brains are avaliable here... I have lots of devices, all with their own voltage levels (5v / 7,5v / 9v / ...). Currently I have some din-rail adapters to 1…

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## [Change button color](https://discourse.nodered.org/t/change-button-color/2216)

<div class="topic-metadata">

**Author:** [@Sergio](https://discourse.nodered.org/u/Sergio)\
**Replies:** 7\
**Last updated:** [11 August 2018 04:19 UTC](https://discourse.nodered.org/t/change-button-color/2216 "2018-08-11T04:19:44Z")

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Is there any way I can change the background color of the button? Example, if (ON) , background = green, else (OFF) , background = red !?

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## [\[minor\]Default Debug to show just current flow](https://discourse.nodered.org/t/minor-default-debug-to-show-just-current-flow/2210)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 1\
**Last updated:** [10 August 2018 16:47 UTC](https://discourse.nodered.org/t/minor-default-debug-to-show-just-current-flow/2210 "2018-08-10T16:47:05Z")

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This might just be me but I've been doing a lot of start/stopping Node-RED and refreshing my browser window and when I do that - the debug defaults to showing debug output from all flows when I always just want the curre…

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## [How to Display Legends in Bar charts](https://discourse.nodered.org/t/how-to-display-legends-in-bar-charts/2205)

<div class="topic-metadata">

**Author:** [@Ajay](https://discourse.nodered.org/u/Ajay)\
**Replies:** 6\
**Last updated:** [10 August 2018 15:31 UTC](https://discourse.nodered.org/t/how-to-display-legends-in-bar-charts/2205 "2018-08-10T15:31:24Z")

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Hello I am new to node red. I am working on a dashboard. I want to display a barchart along with legends. Can some one tell me how can i do that? Thanks Ajay

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## [Azure SQL Node to Azure SQL db](https://discourse.nodered.org/t/azure-sql-node-to-azure-sql-db/2197)

<div class="topic-metadata">

**Author:** [@nishad1092](https://discourse.nodered.org/u/nishad1092)\
**Replies:** 1\
**Last updated:** [10 August 2018 12:21 UTC](https://discourse.nodered.org/t/azure-sql-node-to-azure-sql-db/2197 "2018-08-10T12:21:32Z")

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Hi, I have already connected to the Azure SQL database using the Azure SQL node. It would be really helpful if somebody could guide me thru a sample flow which connects to the Azure SQL and a code which sends random nu…

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## [Add blue square when delay node is rate limiting](https://discourse.nodered.org/t/add-blue-square-when-delay-node-is-rate-limiting/2186)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 1\
**Last updated:** [10 August 2018 06:49 UTC](https://discourse.nodered.org/t/add-blue-square-when-delay-node-is-rate-limiting/2186 "2018-08-10T06:49:32Z")

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The default mode of the Delay node adds a blue status square when its been triggered but when in rate limiting mode, it doesn't I add a dummy delay node below the rate limiting node so I can tell when the rate limit per…

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## [Video stills capture](https://discourse.nodered.org/t/video-stills-capture/1746)

<div class="topic-metadata">

**Author:** [@BigWillow](https://discourse.nodered.org/u/BigWillow)\
**Replies:** 27\
**Last updated:** [8 August 2018 19:24 UTC](https://discourse.nodered.org/t/video-stills-capture/1746 "2018-08-08T19:24:01Z")

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Hi. I'm looking for help on composite video capture, capturing stills. I am thinking of using the USB Webcam node node-red-contrib-usbcamera with a USB capture stick ?? Will this work ??

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## [\[new node\] node-red-contrib-snap4city-user](https://discourse.nodered.org/t/new-node-node-red-contrib-snap4city-user/2179)

<div class="topic-metadata">

**Author:** [@disit](https://discourse.nodered.org/u/disit)\
**Replies:** 4\
**Last updated:** [9 August 2018 12:01 UTC](https://discourse.nodered.org/t/new-node-node-red-contrib-snap4city-user/2179 "2018-08-09T12:01:03Z")

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https://www.npmjs.com/package/node-red-contrib-snap4city-user

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## [\[new node\] node-red-contrib-snap4city-developer](https://discourse.nodered.org/t/new-node-node-red-contrib-snap4city-developer/2180)

<div class="topic-metadata">

**Author:** [@disit](https://discourse.nodered.org/u/disit)\
**Replies:** 0\
**Last updated:** [9 August 2018 09:58 UTC](https://discourse.nodered.org/t/new-node-node-red-contrib-snap4city-developer/2180 "2018-08-09T09:58:37Z")

</div>

https://www.npmjs.com/package/node-red-contrib-snap4city-developer

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## [Node-red is not executing on IBM cloud, on Node-red start kit is not working](https://discourse.nodered.org/t/node-red-is-not-executing-on-ibm-cloud-on-node-red-start-kit-is-not-working/2119)

<div class="topic-metadata">

**Author:** [@sergiogama](https://discourse.nodered.org/u/sergiogama)\
**Replies:** 6\
**Last updated:** [9 August 2018 01:57 UTC](https://discourse.nodered.org/t/node-red-is-not-executing-on-ibm-cloud-on-node-red-start-kit-is-not-working/2119 "2018-08-09T01:57:19Z")

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Hi, I'm trying to create a instance of Node-red on IBM Cloud, but it is not get up and not run. The instance became crashed. Any clue?

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## [PiLCD (node-red-node-pilcd) LCD only shows left 8x2 of 16x2 screen](https://discourse.nodered.org/t/pilcd-node-red-node-pilcd-lcd-only-shows-left-8x2-of-16x2-screen/2165)

<div class="topic-metadata">

**Author:** [@R-Shed](https://discourse.nodered.org/u/R-Shed)\
**Replies:** 3\
**Last updated:** [8 August 2018 21:52 UTC](https://discourse.nodered.org/t/pilcd-node-red-node-pilcd-lcd-only-shows-left-8x2-of-16x2-screen/2165 "2018-08-08T21:52:40Z")

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Hi All, I've been creating a Node-Red Raspberry Pi temperature/humidity sensor set-up for my home, and I'd like to output the temperature and humidity values to my 16x2 LCD display. The display is a 16x2 HD44780-type L…

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## [Telling if an input of 0 is being sent](https://discourse.nodered.org/t/telling-if-an-input-of-0-is-being-sent/2162)

<div class="topic-metadata">

**Author:** [@acestu](https://discourse.nodered.org/u/acestu)\
**Replies:** 4\
**Last updated:** [8 August 2018 18:48 UTC](https://discourse.nodered.org/t/telling-if-an-input-of-0-is-being-sent/2162 "2018-08-08T18:48:58Z")

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Hi, I have several inputs from mqtt sensors that feed gauges, in between I have a timeout node that sends 0 to the gauge if there is no input within a 20 minute period so that I can see that something is wrong, I need a…

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## [Give output of a node based on a service call done in fixed time intervals](https://discourse.nodered.org/t/give-output-of-a-node-based-on-a-service-call-done-in-fixed-time-intervals/2157)

<div class="topic-metadata">

**Author:** [@malinthasa](https://discourse.nodered.org/u/malinthasa)\
**Replies:** 4\
**Last updated:** [8 August 2018 16:23 UTC](https://discourse.nodered.org/t/give-output-of-a-node-based-on-a-service-call-done-in-fixed-time-intervals/2157 "2018-08-08T16:23:48Z")

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Hi, I have a node which has 0 inputs and 1 output. I need to use this node as a mediator which converts and forwards the response of a rest service based on a specific parameter of the response. I have to implement this…

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## [Runtime api deploy](https://discourse.nodered.org/t/runtime-api-deploy/2090)

<div class="topic-metadata">

**Author:** [@CatalinFetoiu](https://discourse.nodered.org/u/CatalinFetoiu)\
**Replies:** 4\
**Last updated:** [8 August 2018 11:48 UTC](https://discourse.nodered.org/t/runtime-api-deploy/2090 "2018-08-08T11:48:10Z")

</div>

Hello, Is there a way to use the runtime api in order to get a callback when a flow is deployed? Or how can I know when to call getFlows() and obtain a non-null result? Thanks!

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## [How to convert Base64 to Decimal? BUffer](https://discourse.nodered.org/t/how-to-convert-base64-to-decimal-buffer/2151)

<div class="topic-metadata">

**Author:** [@dcarva](https://discourse.nodered.org/u/dcarva)\
**Replies:** 6\
**Last updated:** [8 August 2018 11:43 UTC](https://discourse.nodered.org/t/how-to-convert-base64-to-decimal-buffer/2151 "2018-08-08T11:43:02Z")

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Good morning, I'm trying to convert base64 to decimal or to show me in my dashboard the values that I want as you can see in my image. If anyone can help me it be nice.

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## [Pallette keywords](https://discourse.nodered.org/t/pallette-keywords/570)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 4\
**Last updated:** [8 August 2018 11:02 UTC](https://discourse.nodered.org/t/pallette-keywords/570 "2018-08-08T11:02:13Z")

</div>

Hi folks, In another discussion, I was a bit surprised that the user couldn't find my node-red-contrib-interval-length node when searching in the pallette. A bit strange, since I added a rather extensive list of keywor…

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## [SSL/TLS Configuration for Certificates with Secret Key (Password)](https://discourse.nodered.org/t/ssl-tls-configuration-for-certificates-with-secret-key-password/2155)

<div class="topic-metadata">

**Author:** [@abhinava.singh](https://discourse.nodered.org/u/abhinava.singh)\
**Replies:** 0\
**Last updated:** [8 August 2018 10:50 UTC](https://discourse.nodered.org/t/ssl-tls-configuration-for-certificates-with-secret-key-password/2155 "2018-08-08T10:50:26Z")

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I've been successfully posting data on Devices ont the MQTT Gateway of SAP Cloud Platform - IoT Cockpit using Paho. Screenshots above. A Supplier-device\_certificate.pem was downloaded from the Device and it comes wit…

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## [Node-red-node-sqlite](https://discourse.nodered.org/t/node-red-node-sqlite/2140)

<div class="topic-metadata">

**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 11\
**Last updated:** [8 August 2018 10:36 UTC](https://discourse.nodered.org/t/node-red-node-sqlite/2140 "2018-08-08T10:36:54Z")

</div>

On my Raspberry Pi 3, as a result of upgrades in Node Red I did this morning I've ended up with issues with SQLITE - specifically node-red-node-sqlite. I'm only using this to update 2 tables in sqlite, one flow runs eve…

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## [Zip node - a Suggestion](https://discourse.nodered.org/t/zip-node-a-suggestion/2148)

<div class="topic-metadata">

**Author:** [@placerda](https://discourse.nodered.org/u/placerda)\
**Replies:** 1\
**Last updated:** [8 August 2018 09:52 UTC](https://discourse.nodered.org/t/zip-node-a-suggestion/2148 "2018-08-08T09:52:31Z")

</div>

Hey guys, I worked with Bonsai framework before (check it out!) that relies a lot on the reactive. So I looked for a node that would do the same a the zip on the reactive framework (http://reactivex.io/documentation/ope…

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## [Exec node - Spawn Mode](https://discourse.nodered.org/t/exec-node-spawn-mode/2147)

<div class="topic-metadata">

**Author:** [@placerda](https://discourse.nodered.org/u/placerda)\
**Replies:** 1\
**Last updated:** [8 August 2018 09:49 UTC](https://discourse.nodered.org/t/exec-node-spawn-mode/2147 "2018-08-08T09:49:02Z")

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Hi all I built a simple tool to flash and test some piece of hardware. I have a button that to flash that exectutes a exec node with the "make flash" command. This exec node is in spawn mode and I write to a text box an…

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## [Making COAP request from my Custom Node](https://discourse.nodered.org/t/making-coap-request-from-my-custom-node/2110)

<div class="topic-metadata">

**Author:** [@malinthasa](https://discourse.nodered.org/u/malinthasa)\
**Replies:** 3\
**Last updated:** [7 August 2018 14:39 UTC](https://discourse.nodered.org/t/making-coap-request-from-my-custom-node/2110 "2018-08-07T14:39:32Z")

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Hi, I am creating a custom node which should be able to make a COAP request while deploying. So I need to implement that COAP request inside the javascript file of my custom node. I use "coap" npm module for this. …

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## [Develop Android Application](https://discourse.nodered.org/t/develop-android-application/2135)

<div class="topic-metadata">

**Author:** [@hossein](https://discourse.nodered.org/u/hossein)\
**Replies:** 1\
**Last updated:** [7 August 2018 12:43 UTC](https://discourse.nodered.org/t/develop-android-application/2135 "2018-08-07T12:43:47Z")

</div>

Hi, I will develop an android application to control a device. I think I should merge the android native code and node-red output (Json file ). can any one show me an outline how I should this?

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