# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1322

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

**Page:** 1323

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## [(solved) Node-Red docker using another uid: error on adding packages](https://discourse.nodered.org/t/solved-node-red-docker-using-another-uid-error-on-adding-packages/7312)

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**Author:** [@IoTPlay](https://discourse.nodered.org/u/IoTPlay)\
**Replies:** 2\
**Last updated:** [27 January 2019 20:13 UTC](https://discourse.nodered.org/t/solved-node-red-docker-using-another-uid-error-on-adding-packages/7312 "2019-01-27T20:13:30Z")

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Hi, fired up a rpi, added docker. I deleted "pi" uid (sec reasons), added user "node-red" (uid = 1001), and group "node-red" (uid = 10050). The official node-red docker instructions warns when you delete use 1000, that y…

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## [Use function multiple times](https://discourse.nodered.org/t/use-function-multiple-times/7280)

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**Author:** [@KoenH](https://discourse.nodered.org/u/KoenH)\
**Replies:** 20\
**Last updated:** [27 January 2019 17:12 UTC](https://discourse.nodered.org/t/use-function-multiple-times/7280 "2019-01-27T17:12:01Z")

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Hello, Is it possible to use a function that i created multiple times on different places? Or do i have to copy them to all instances that i want to use? already thanks!

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## [\[PR\] Subflow Instance properties](https://discourse.nodered.org/t/pr-subflow-instance-properties/2853)

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**Author:** [@efratomer](https://discourse.nodered.org/u/efratomer)\
**Replies:** 8\
**Last updated:** [27 January 2019 10:49 UTC](https://discourse.nodered.org/t/pr-subflow-instance-properties/2853 "2019-01-27T10:49:23Z")

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Subflow Instance Properties is a key item on Roadmap to 1.0. Top view description: A user can identify properties of nodes within a subflow that should be customisable on a per-subflow-instance basis. (Taken from Trello)…

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## [BigTimer help please](https://discourse.nodered.org/t/bigtimer-help-please/7297)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [27 January 2019 09:50 UTC](https://discourse.nodered.org/t/bigtimer-help-please/7297 "2019-01-27T09:50:17Z")

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Sorry, but this is confusing me. I have BigTimer running and it seems to be working for ONE task. (Sunrise and Sunset) Needs must and I had to put in another one and this one is for Dusk and Dawn. I got this node by …

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## [Complete backup of NodeRed configuration](https://discourse.nodered.org/t/complete-backup-of-nodered-configuration/7294)

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**Author:** [@KoenH](https://discourse.nodered.org/u/KoenH)\
**Replies:** 1\
**Last updated:** [27 January 2019 07:54 UTC](https://discourse.nodered.org/t/complete-backup-of-nodered-configuration/7294 "2019-01-27T07:54:12Z")

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Hello all, My NodeRed is running on a RasPi. (version 0.18.3) I don't have a backup at the moment... I want to update to the latest version (version 0.19) Therefor, i want to have a complete backup of my installatio…

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## [Problems with the exec bloc](https://discourse.nodered.org/t/problems-with-the-exec-bloc/7276)

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**Author:** [@GridexX](https://discourse.nodered.org/u/GridexX)\
**Replies:** 4\
**Last updated:** [26 January 2019 19:40 UTC](https://discourse.nodered.org/t/problems-with-the-exec-bloc/7276 "2019-01-26T19:40:25Z")

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Hello Everybody :grinning:, I just found a python script to control my new led matrix the MAX7219 The script is working fine but when i tried to launch it with the exec bloc it send the error : command failed I don't …

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## [Ontouchstart / ng-Touchstart / UI-template](https://discourse.nodered.org/t/ontouchstart-ng-touchstart-ui-template/4632)

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**Author:** [@BastianG](https://discourse.nodered.org/u/BastianG)\
**Replies:** 9\
**Last updated:** [26 January 2019 19:14 UTC](https://discourse.nodered.org/t/ontouchstart-ng-touchstart-ui-template/4632 "2019-01-26T19:14:01Z")

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Hello Guys. I'm new in the node red game. I'm currently have problems with an angular js directive. I tried to install and make ngtouch work, but without luck. I also tried angular-gestures, no luck eighter. Then i m…

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## [How to start a "Project"](https://discourse.nodered.org/t/how-to-start-a-project/7266)

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**Author:** [@emspe](https://discourse.nodered.org/u/emspe)\
**Replies:** 2\
**Last updated:** [26 January 2019 16:05 UTC](https://discourse.nodered.org/t/how-to-start-a-project/7266 "2019-01-26T16:05:12Z")

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Hi, I'm new ( started last week) to Node-Red & also IoT developments. When studying Node-Red I found that it really helpful to my work. Thank you for that! I'm trying to build an IoT device which will communicate betwe…

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## [Node Red rcswitch 2](https://discourse.nodered.org/t/node-red-rcswitch-2/7263)

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**Author:** [@cpaul2208](https://discourse.nodered.org/u/cpaul2208)\
**Replies:** 5\
**Last updated:** [26 January 2019 13:20 UTC](https://discourse.nodered.org/t/node-red-rcswitch-2/7263 "2019-01-26T13:20:40Z")

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Hi, I have a problem with the installation of rcswitch. What is wrong? Please help me. Thanks.

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## [Project Gantt Chart](https://discourse.nodered.org/t/project-gantt-chart/7257)

<div class="topic-metadata">

**Author:** [@olab](https://discourse.nodered.org/u/olab)\
**Replies:** 1\
**Last updated:** [26 January 2019 10:54 UTC](https://discourse.nodered.org/t/project-gantt-chart/7257 "2019-01-26T10:54:00Z")

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Hi, I would like to integrate a Gantt chart showing tasks and current time as a gantt chart in node red dashboard. Tasks will be based on a csv file imported. Any good solution to do this in Node Red? I would also like…

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## [In node-red dashboard how](https://discourse.nodered.org/t/in-node-red-dashboard-how/7221)

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**Author:** [@VIKRAMAS](https://discourse.nodered.org/u/VIKRAMAS)\
**Replies:** 7\
**Last updated:** [25 January 2019 22:04 UTC](https://discourse.nodered.org/t/in-node-red-dashboard-how/7221 "2019-01-25T22:04:22Z")

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In node red how to increase the size of map. I am using the example Map in Dashboard from node-red palette. In template I tried to increase the size using \<div style="width:100px" ng-bind-html="msg.payload | trusted"\>\</…

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## [Anyway to have a map (key/value pairs) on the config for a node?](https://discourse.nodered.org/t/anyway-to-have-a-map-key-value-pairs-on-the-config-for-a-node/7225)

<div class="topic-metadata">

**Author:** [@ScottChapman](https://discourse.nodered.org/u/ScottChapman)\
**Replies:** 1\
**Last updated:** [25 January 2019 20:24 UTC](https://discourse.nodered.org/t/anyway-to-have-a-map-key-value-pairs-on-the-config-for-a-node/7225 "2019-01-25T20:24:50Z")

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I'm creating a new node. And I need to be able to enter in a map of key/value pairs as part of the configuration. They should be able to add/remove the pairs. Is there such an animal in the available input types?

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## [Node-red-contrib-worldmap](https://discourse.nodered.org/t/node-red-contrib-worldmap/2969)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 16\
**Last updated:** [24 January 2019 22:49 UTC](https://discourse.nodered.org/t/node-red-contrib-worldmap/2969 "2019-01-24T22:49:13Z")

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I was wondering if someone could embarrass me and just post a simple inject-\>worldmap node example that draws a circle around a location as I can't get it do do that :frowning:

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## [Dashboard ui not working](https://discourse.nodered.org/t/dashboard-ui-not-working/2838)

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**Author:** [@Dayond](https://discourse.nodered.org/u/Dayond)\
**Replies:** 9\
**Last updated:** [25 January 2019 17:16 UTC](https://discourse.nodered.org/t/dashboard-ui-not-working/2838 "2019-01-25T17:16:57Z")

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hi there ! I have just installed node red and I wanted to try to make it work. I perfectly started it and I tried to build up something. Now the problem is when I'm trying to display the result in the dashboard in the…

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## [Simple example of typedInput with type JSON?](https://discourse.nodered.org/t/simple-example-of-typedinput-with-type-json/7248)

<div class="topic-metadata">

**Author:** [@ScottChapman](https://discourse.nodered.org/u/ScottChapman)\
**Replies:** 1\
**Last updated:** [25 January 2019 17:11 UTC](https://discourse.nodered.org/t/simple-example-of-typedinput-with-type-json/7248 "2019-01-25T17:11:45Z")

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I'm building (one of) my first nodes, and I want to have a configuration property that accepts valid JSON. I know I need to use the typedInput mechanism for this, but I am having difficulty finding a simple example of i…

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## [Unsuccessful installation of Node Red on Ubuntu 16.04 LTS](https://discourse.nodered.org/t/unsuccessful-installation-of-node-red-on-ubuntu-16-04-lts/7245)

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**Author:** [@jhmluna](https://discourse.nodered.org/u/jhmluna)\
**Replies:** 4\
**Last updated:** [25 January 2019 16:26 UTC](https://discourse.nodered.org/t/unsuccessful-installation-of-node-red-on-ubuntu-16-04-lts/7245 "2019-01-25T16:26:38Z")

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I'm trying to install Node Red in a desktop with Ubuntu 16.04 LTS operating system. Already successfully installed Node.js (v4.2.6) and npm (v3.5.2). But when I try to install Node Red using the command sudo npm instal…

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## [Create new nodes - testing not locally?](https://discourse.nodered.org/t/create-new-nodes-testing-not-locally/7243)

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**Author:** [@oleister](https://discourse.nodered.org/u/oleister)\
**Replies:** 0\
**Last updated:** [25 January 2019 12:34 UTC](https://discourse.nodered.org/t/create-new-nodes-testing-not-locally/7243 "2019-01-25T12:34:54Z")

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Greeting node-reds, I am playing around with node-red on heroku for some poc projects with Salesforce Marketing Cloud. Now I want to have some more reusable tools there and thought about to create nodes to speed up thi…

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## [Autocomplete Ace Editor](https://discourse.nodered.org/t/autocomplete-ace-editor/7231)

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**Author:** [@Naes0](https://discourse.nodered.org/u/Naes0)\
**Replies:** 2\
**Last updated:** [25 January 2019 09:45 UTC](https://discourse.nodered.org/t/autocomplete-ace-editor/7231 "2019-01-25T09:45:03Z")

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Is there anyway to enable autocomplete for the ace editor? The ace editor comes with it as an option now. Is there a way to edit this configuration for node-red. It should be as simple as: ace.require("ace/ext/languag…

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## [Numeric input state](https://discourse.nodered.org/t/numeric-input-state/7204)

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**Author:** [@domcsidd](https://discourse.nodered.org/u/domcsidd)\
**Replies:** 6\
**Last updated:** [25 January 2019 09:38 UTC](https://discourse.nodered.org/t/numeric-input-state/7204 "2019-01-25T09:38:06Z")

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Hi everyone ! I am working on a project, and i have some problem ... I want to set a numeric input state to disable or enable with a switch but hold the value . Could someone help me?The saved value is stored on a file…

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## [Sync incoming mqtt data with timestamp in an excel file(csv)](https://discourse.nodered.org/t/sync-incoming-mqtt-data-with-timestamp-in-an-excel-file-csv/7232)

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**Author:** [@Rakesh\_S](https://discourse.nodered.org/u/Rakesh_S)\
**Replies:** 1\
**Last updated:** [25 January 2019 07:19 UTC](https://discourse.nodered.org/t/sync-incoming-mqtt-data-with-timestamp-in-an-excel-file-csv/7232 "2019-01-25T07:19:03Z")

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I am trying to sync data coming in through mqtt with the timestamp obtained in node-red, into an excel file in the order (timestamp, tag name, sensor1,sensor2,sensors,sensor4), which I require in this exact format to be …

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## [Dashboard caching images? How to stop it?](https://discourse.nodered.org/t/dashboard-caching-images-how-to-stop-it/7112)

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**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 4\
**Last updated:** [25 January 2019 06:26 UTC](https://discourse.nodered.org/t/dashboard-caching-images-how-to-stop-it/7112 "2019-01-25T06:26:36Z")

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I'm using this flow: \[{"id":"53559a52.2e1c14","type":"mqtt in","z":"48ca8f09.5ed62","name":"Idle Image","topic":"IdleImage","qos":"0","broker":"bbe08c14.d3962","x":100,"y":600,"wires":\[\["9b3efa02.1513a8","a69d43fd.c9d…

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## [Can node functions return promises?](https://discourse.nodered.org/t/can-node-functions-return-promises/7050)

<div class="topic-metadata">

**Author:** [@ScottChapman](https://discourse.nodered.org/u/ScottChapman)\
**Replies:** 2\
**Last updated:** [25 January 2019 00:11 UTC](https://discourse.nodered.org/t/can-node-functions-return-promises/7050 "2019-01-25T00:11:27Z")

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Sorry for the noob question, I did poke around but couldn't find anything specific (might not have really known where to look exactly). Anyway, I am writing my first node, and it looks like I basically create a module a…

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## [Drag and drop nodes from a sidebar](https://discourse.nodered.org/t/drag-and-drop-nodes-from-a-sidebar/7217)

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**Author:** [@malinthasa](https://discourse.nodered.org/u/malinthasa)\
**Replies:** 2\
**Last updated:** [24 January 2019 20:48 UTC](https://discourse.nodered.org/t/drag-and-drop-nodes-from-a-sidebar/7217 "2019-01-24T20:48:14Z")

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Hi, I am developing a side bar which suggest nodes for the user to proceed flow development. To improve the user experience, I am thinking to add node drag and drop capability(not exactly drag and drop) to the side bar…

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## [String data from mqtt to gauges](https://discourse.nodered.org/t/string-data-from-mqtt-to-gauges/7199)

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**Author:** [@Rakesh\_S](https://discourse.nodered.org/u/Rakesh_S)\
**Replies:** 7\
**Last updated:** [24 January 2019 17:59 UTC](https://discourse.nodered.org/t/string-data-from-mqtt-to-gauges/7199 "2019-01-24T17:59:55Z")

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Guys I am using an mqtt node to send sensor data(4sensors) and to reduce packet size, I am sending the values as a string. Eg: "22.4,35,54,23". I need to extract this data and need to display them in 4 different charts. …

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## [TCP outputs a string instead of byte values](https://discourse.nodered.org/t/tcp-outputs-a-string-instead-of-byte-values/7201)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 3\
**Last updated:** [24 January 2019 17:53 UTC](https://discourse.nodered.org/t/tcp-outputs-a-string-instead-of-byte-values/7201 "2019-01-24T17:53:53Z")

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Hi, i wrote a function, it outputs an object message with an array in payload and bytes. I need those bytes to been sent into tcp packet. Actually it converts the buffer to a string and also add commas! how can I overcom…

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## [Ive upgraded to 0.19.5 and the node-red-contrib-batcher is not working](https://discourse.nodered.org/t/ive-upgraded-to-0-19-5-and-the-node-red-contrib-batcher-is-not-working/7174)

<div class="topic-metadata">

**Author:** [@kelster101757](https://discourse.nodered.org/u/kelster101757)\
**Replies:** 2\
**Last updated:** [24 January 2019 17:14 UTC](https://discourse.nodered.org/t/ive-upgraded-to-0-19-5-and-the-node-red-contrib-batcher-is-not-working/7174 "2019-01-24T17:14:53Z")

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Hello, I've upgraded to node-red 0.19.5 and the node-red-contrib-batcher is not working. Apparently it doesn't work with the new version of node-red. Does anyone know of a node that does the same thing? I use it to b…

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## [UI - add labels inside the switch node](https://discourse.nodered.org/t/ui-add-labels-inside-the-switch-node/7206)

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**Author:** [@elbriga](https://discourse.nodered.org/u/elbriga)\
**Replies:** 4\
**Last updated:** [24 January 2019 16:43 UTC](https://discourse.nodered.org/t/ui-add-labels-inside-the-switch-node/7206 "2019-01-24T16:43:06Z")

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Hi, I've added labels inside a custom switch node I wrote. The problem is that when I edit de node the redraw function does not call an annonymous function to get the new labels texts. I'm new to the enter(),append(),e…

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## [Node-Red related questions](https://discourse.nodered.org/t/node-red-related-questions/7150)

<div class="topic-metadata">

**Author:** [@jordan](https://discourse.nodered.org/u/jordan)\
**Replies:** 10\
**Last updated:** [24 January 2019 16:35 UTC](https://discourse.nodered.org/t/node-red-related-questions/7150 "2019-01-24T16:35:43Z")

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Hi there, I have some Node-Red beginner related questions. Can I run Node-Red on Elegoo (it's similar to Arduino) Is it possible to run Node-Red on Windows or Virtual Machine to test nodes? In the past when I was …

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## [Sentiment node with differente languages](https://discourse.nodered.org/t/sentiment-node-with-differente-languages/791)

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**Author:** [@deedos](https://discourse.nodered.org/u/deedos)\
**Replies:** 5\
**Last updated:** [24 January 2019 13:49 UTC](https://discourse.nodered.org/t/sentiment-node-with-differente-languages/791 "2019-01-24T13:49:20Z")

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Following the conversation that started in https://github.com/node-red/node-red/issues/1763 @knolleary Maybe could be an option the possibility to point to another npm for the affin based analysys rather than a hardco…

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## [Control I2C relay board in Node Red Dashboard using in Smartphone](https://discourse.nodered.org/t/control-i2c-relay-board-in-node-red-dashboard-using-in-smartphone/7208)

<div class="topic-metadata">

**Author:** [@Varul92](https://discourse.nodered.org/u/Varul92)\
**Replies:** 2\
**Last updated:** [24 January 2019 13:20 UTC](https://discourse.nodered.org/t/control-i2c-relay-board-in-node-red-dashboard-using-in-smartphone/7208 "2019-01-24T13:20:01Z")

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Hi, in my earlier post I got to know about displaying the Node-Red dashboard in Smartphone, As for making it works with the smartphone, as well as the Laptop, it should be running on the same network, but whenever I am t…

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