# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1390

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

**Page:** 1391

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## [Create Dashboard from node red receiving data from cloud through sensors](https://discourse.nodered.org/t/create-dashboard-from-node-red-receiving-data-from-cloud-through-sensors/333)

<div class="topic-metadata">

**Author:** [@fredy76](https://discourse.nodered.org/u/fredy76)\
**Replies:** 1\
**Last updated:** [8 June 2018 10:10 UTC](https://discourse.nodered.org/t/create-dashboard-from-node-red-receiving-data-from-cloud-through-sensors/333 "2018-06-08T10:10:02Z")

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Hey I am looking for cloud to save the reading of temperature sensor to database following are the point I wanted to know about the possibility to read the sensor data with NODE Red using Pycom Store the readings in c…

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## [How to possible aes128 encrypt and decrypt?](https://discourse.nodered.org/t/how-to-possible-aes128-encrypt-and-decrypt/687)

<div class="topic-metadata">

**Author:** [@variyaSandip](https://discourse.nodered.org/u/variyaSandip)\
**Replies:** 0\
**Last updated:** [8 June 2018 05:36 UTC](https://discourse.nodered.org/t/how-to-possible-aes128-encrypt-and-decrypt/687 "2018-06-08T05:36:15Z")

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Hello… How to possible to 128-aes ecb encrypt and decrypt data in node-red ? I have use node-red-contrib-crypto-js but not matching my c language 128-aes encrypt and decrypt data . I attached below screen \[1\]\[2\]\[3\] …

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## [Create new file](https://discourse.nodered.org/t/create-new-file/691)

<div class="topic-metadata">

**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 4\
**Last updated:** [8 June 2018 08:19 UTC](https://discourse.nodered.org/t/create-new-file/691 "2018-06-08T08:19:54Z")

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I want to create a new file i using the fs function. I get the following error “ReferenceError: fs is not defined” . I tried that but error persists https://flows.nodered.org/flow/cdf160c36f082dc2a20cd1183ac6cd7d.

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## [Connect flow with flow](https://discourse.nodered.org/t/connect-flow-with-flow/689)

<div class="topic-metadata">

**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 2\
**Last updated:** [8 June 2018 07:11 UTC](https://discourse.nodered.org/t/connect-flow-with-flow/689 "2018-06-08T07:11:09Z")

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Can i connect two different flows to each other like flow1-\>flow2.

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## [Add an array of node tags to the nodes](https://discourse.nodered.org/t/add-an-array-of-node-tags-to-the-nodes/635)

<div class="topic-metadata">

**Author:** [@aoighost](https://discourse.nodered.org/u/aoighost)\
**Replies:** 4\
**Last updated:** [8 June 2018 06:06 UTC](https://discourse.nodered.org/t/add-an-array-of-node-tags-to-the-nodes/635 "2018-06-08T06:06:00Z")

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I was thinking about how to expand node red to allow for certain ease of development features such as programmatic flow composition, and I think having the ability to add an array of node tags to the JS would help with a…

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## [Debug-problem-with-press](https://discourse.nodered.org/t/debug-problem-with-press/636)

<div class="topic-metadata">

**Author:** [@chrisious](https://discourse.nodered.org/u/chrisious)\
**Replies:** 10\
**Last updated:** [8 June 2018 00:28 UTC](https://discourse.nodered.org/t/debug-problem-with-press/636 "2018-06-08T00:28:35Z")

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hello I have a problem at debug button I press the debug button and the message doesn’t work .

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## [Visual recognition of a video \[Help\]](https://discourse.nodered.org/t/visual-recognition-of-a-video-help/673)

<div class="topic-metadata">

**Author:** [@Sgilroy](https://discourse.nodered.org/u/Sgilroy)\
**Replies:** 1\
**Last updated:** [7 June 2018 18:08 UTC](https://discourse.nodered.org/t/visual-recognition-of-a-video-help/673 "2018-06-07T18:08:55Z")

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Hi, I’ve been working with node-red and Watson studio for about 2 weeks. Recently I’ve been trying to get Watson visual recognition to work with a live Youtube video (doesn’t have to be live you just need the embedded c…

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## [Dashboard nodes not in palette](https://discourse.nodered.org/t/dashboard-nodes-not-in-palette/666)

<div class="topic-metadata">

**Author:** [@ORLINTech](https://discourse.nodered.org/u/ORLINTech)\
**Replies:** 5\
**Last updated:** [7 June 2018 14:18 UTC](https://discourse.nodered.org/t/dashboard-nodes-not-in-palette/666 "2018-06-07T14:18:55Z")

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Hi, Noob question: I am using Node-Red on a Raspberry Pi 3. I installed the Dashboard node (node-red-dashboard) but the nodes do not appear in the palette. It seemed to install OK with no errors and I have rebooted the P…

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## [Missing something in how to decode an output SOLVED I hope](https://discourse.nodered.org/t/missing-something-in-how-to-decode-an-output-solved-i-hope/661)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [7 June 2018 11:42 UTC](https://discourse.nodered.org/t/missing-something-in-how-to-decode-an-output-solved-i-hope/661 "2018-06-07T11:42:56Z")

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Sorry folks, but I’m stuck. Recently installed “hostip” node. Nice. It seems to do what I need. I think. But the output: msg : Object object \_msgid: "b7761d7a.5ea9" topic: "" payload: array\[2\] 0: object address: "1…

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## [Install Windows](https://discourse.nodered.org/t/install-windows/660)

<div class="topic-metadata">

**Author:** [@chrisious](https://discourse.nodered.org/u/chrisious)\
**Replies:** 1\
**Last updated:** [7 June 2018 11:02 UTC](https://discourse.nodered.org/t/install-windows/660 "2018-06-07T11:02:23Z")

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Hello i have a problem with windows installation when i write the npm install -g --unsafe-perm node-red it doesn’t work .

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## [Override Trigger-Button](https://discourse.nodered.org/t/override-trigger-button/642)

<div class="topic-metadata">

**Author:** [@standro](https://discourse.nodered.org/u/standro)\
**Replies:** 2\
**Last updated:** [7 June 2018 07:15 UTC](https://discourse.nodered.org/t/override-trigger-button/642 "2018-06-07T07:15:09Z")

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Hi there, is there a possibility to trigger a trigger-button (e.g. “Inject”-node, …) from extern? Via http/mqtt/flow-variable/… I agree, everyone should reword his flow to trigger an event on specific time, instead of …

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## [Scan a specific directory for new files](https://discourse.nodered.org/t/scan-a-specific-directory-for-new-files/655)

<div class="topic-metadata">

**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 2\
**Last updated:** [7 June 2018 06:31 UTC](https://discourse.nodered.org/t/scan-a-specific-directory-for-new-files/655 "2018-06-07T06:31:58Z")

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Hi I need to keep scanning a specific -raspberry-directory for new xml files and store the xml files to a database. The raspberry pi is paired with a weight scale and each time that someone uses this scale a new xml fil…

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## [Move over the editor page](https://discourse.nodered.org/t/move-over-the-editor-page/545)

<div class="topic-metadata">

**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\
**Replies:** 6\
**Last updated:** [6 June 2018 18:39 UTC](https://discourse.nodered.org/t/move-over-the-editor-page/545 "2018-06-06T18:39:25Z")

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This maybe something very silly but I think will be good when you are on the editor to be able to move around the page with the “tool hand” instead of having only the option to use the bars. To clarify I refer to the “t…

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## [Support on custom Hardware](https://discourse.nodered.org/t/support-on-custom-hardware/647)

<div class="topic-metadata">

**Author:** [@antony](https://discourse.nodered.org/u/antony)\
**Replies:** 2\
**Last updated:** [6 June 2018 16:54 UTC](https://discourse.nodered.org/t/support-on-custom-hardware/647 "2018-06-06T16:54:23Z")

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hi, im new to node red, before stepping in i would like to know whether node red supports on custom HW apart from arduino, pi, beaglebone… if i want to use some other MCs or MPs will i be able to install node red on tha…

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## [How to create a new UI from scratch](https://discourse.nodered.org/t/how-to-create-a-new-ui-from-scratch/478)

<div class="topic-metadata">

**Author:** [@aoighost](https://discourse.nodered.org/u/aoighost)\
**Replies:** 5\
**Last updated:** [6 June 2018 16:08 UTC](https://discourse.nodered.org/t/how-to-create-a-new-ui-from-scratch/478 "2018-06-06T16:08:36Z")

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So I’m working on a project and need to create a new editor UI to create flows from scratch. @mike said he has done it in another thread and I’m wondering how to do it with existing APIs. Also I’m wondering if I can use …

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## [Problem with SOAP request authentication](https://discourse.nodered.org/t/problem-with-soap-request-authentication/644)

<div class="topic-metadata">

**Author:** [@kiipeli](https://discourse.nodered.org/u/kiipeli)\
**Replies:** 0\
**Last updated:** [6 June 2018 14:41 UTC](https://discourse.nodered.org/t/problem-with-soap-request-authentication/644 "2018-06-06T14:41:21Z")

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Hello community! I am newbie and trying to learn to use Node-RED. I have been creating flows to retrieve data from several API´s and presenting them in the dashboard. Everything went well until I tried to create flow fo…

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## [Right click disabled](https://discourse.nodered.org/t/right-click-disabled/639)

<div class="topic-metadata">

**Author:** [@tilleul](https://discourse.nodered.org/u/tilleul)\
**Replies:** 4\
**Last updated:** [6 June 2018 12:47 UTC](https://discourse.nodered.org/t/right-click-disabled/639 "2018-06-06T12:47:35Z")

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Between NR v0.17.5 and NR 0.18.x, right click has been disabled. When developing custom NR nodes, it is really annoying not being able to use the right click to “inspect” elements of the HTML interface. Would it be poss…

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## [When using mustache - / gets converted to &#x2F;](https://discourse.nodered.org/t/when-using-mustache-gets-converted-to-x2f/640)

<div class="topic-metadata">

**Author:** [@grawsom](https://discourse.nodered.org/u/grawsom)\
**Replies:** 1\
**Last updated:** [6 June 2018 11:57 UTC](https://discourse.nodered.org/t/when-using-mustache-gets-converted-to-x2f/640 "2018-06-06T11:57:58Z")

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Why is / (Slash) changed to &#x2F; when using mustache ? I have made this test setup \[{"id":"c804c18d.255688","type":"inject","z":"fdf95545.a593b8","name":"","topic":"","payload":"TEST / TEST","payloadType":"str","repe…

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## [Convert some JSON](https://discourse.nodered.org/t/convert-some-json/634)

<div class="topic-metadata">

**Author:** [@grawsom](https://discourse.nodered.org/u/grawsom)\
**Replies:** 2\
**Last updated:** [6 June 2018 10:11 UTC](https://discourse.nodered.org/t/convert-some-json/634 "2018-06-06T10:11:57Z")

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Are trying to change the output of a JSON code, but are stuck in how to do a loop for it. I can do this with value directly - “se my ex.” Change from \[{"Name":"name1","Number":1},{"Name":"name2","Number":2},{"Name":"n…

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## [Http Response not receiving data](https://discourse.nodered.org/t/http-response-not-receiving-data/521)

<div class="topic-metadata">

**Author:** [@IanH](https://discourse.nodered.org/u/IanH)\
**Replies:** 21\
**Last updated:** [6 June 2018 07:45 UTC](https://discourse.nodered.org/t/http-response-not-receiving-data/521 "2018-06-06T07:45:45Z")

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Trying to get data out of a linux based system with web server, everything works except this which just puts up the requesting flag and nothing else happens. Node red 17 running on pi3b on a private network. \[{“id”:“12…

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## [Substract values from msg and using global variable](https://discourse.nodered.org/t/substract-values-from-msg-and-using-global-variable/623)

<div class="topic-metadata">

**Author:** [@tzeeth](https://discourse.nodered.org/u/tzeeth)\
**Replies:** 4\
**Last updated:** [5 June 2018 22:29 UTC](https://discourse.nodered.org/t/substract-values-from-msg-and-using-global-variable/623 "2018-06-05T22:29:05Z")

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Hi Node community! I need some help in trying to do a subtraction operation between two messages that are msg.payload: Object like: {“contA”:20,“contB”:57} In one Flow, let’s call it Flow1 I receive one message like pr…

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## [White space in object names](https://discourse.nodered.org/t/white-space-in-object-names/629)

<div class="topic-metadata">

**Author:** [@Meistro](https://discourse.nodered.org/u/Meistro)\
**Replies:** 1\
**Last updated:** [5 June 2018 18:27 UTC](https://discourse.nodered.org/t/white-space-in-object-names/629 "2018-06-05T18:27:42Z")

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Hi. I am trying to convert some data so I can transfer from one software to another without the need to manually enter lines and lines of data. I have everything working except in the import on new software it’s looking …

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## [From array message, get specific columns](https://discourse.nodered.org/t/from-array-message-get-specific-columns/620)

<div class="topic-metadata">

**Author:** [@DisHarmonious](https://discourse.nodered.org/u/DisHarmonious)\
**Replies:** 1\
**Last updated:** [5 June 2018 15:11 UTC](https://discourse.nodered.org/t/from-array-message-get-specific-columns/620 "2018-06-05T15:11:43Z")

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Hello, my flow is the one at links. At the top part of the flow, i want to get from message array, the columns named “high” and “low”. What I have done returns only the first row of 60+ messages and I don’t know really k…

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## [MySQL Node doesn't pass payload?](https://discourse.nodered.org/t/mysql-node-doesnt-pass-payload/603)

<div class="topic-metadata">

**Author:** [@fraser](https://discourse.nodered.org/u/fraser)\
**Replies:** 2\
**Last updated:** [4 June 2018 12:22 UTC](https://discourse.nodered.org/t/mysql-node-doesnt-pass-payload/603 "2018-06-04T12:22:04Z")

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I’m writing a flow which processes an HTML form. In order to carry out the form processing I need to query a MySQL/mariadb database and act on the returned query. So far, so normal, I’ve got the queries working fine. Th…

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## [Is this a "bug" with the gauge node?](https://discourse.nodered.org/t/is-this-a-bug-with-the-gauge-node/566)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 10\
**Last updated:** [4 June 2018 11:02 UTC](https://discourse.nodered.org/t/is-this-a-bug-with-the-gauge-node/566 "2018-06-04T11:02:28Z")

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I have a gauge set as a doughnut. This is happening now and then with certain values. Notice how the green is … deformed at the end of the end of the arc. \[Screenshot%20from%202018-06-03%2014-05-41\]

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## [How to configure Mongodb node and insert the data in Local Mongodb?](https://discourse.nodered.org/t/how-to-configure-mongodb-node-and-insert-the-data-in-local-mongodb/594)

<div class="topic-metadata">

**Author:** [@variyaSandip](https://discourse.nodered.org/u/variyaSandip)\
**Replies:** 3\
**Last updated:** [4 June 2018 10:07 UTC](https://discourse.nodered.org/t/how-to-configure-mongodb-node-and-insert-the-data-in-local-mongodb/594 "2018-06-04T10:07:38Z")

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I configure mongodb node to my local mongodb URL : mongodb/localhost:27017/test Name : Insert and then Deploy Getting the error "Invalid schema, expected mongodb or mongodb+srv" Please any one, share configuration t…

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## [Gpio mqtt button light](https://discourse.nodered.org/t/gpio-mqtt-button-light/578)

<div class="topic-metadata">

**Author:** [@neodev](https://discourse.nodered.org/u/neodev)\
**Replies:** 5\
**Last updated:** [4 June 2018 08:47 UTC](https://discourse.nodered.org/t/gpio-mqtt-button-light/578 "2018-06-04T08:47:42Z")

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Hi i’m new i want know a solution on a problem USE CASE I have a central raspberry node that use as a cntral pannel for use alla my house then when i push a button on a central send a message mqtt on client node1 n…

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## [Marketing Automation with Node-RED](https://discourse.nodered.org/t/marketing-automation-with-node-red/599)

<div class="topic-metadata">

**Author:** [@dipak](https://discourse.nodered.org/u/dipak)\
**Replies:** 4\
**Last updated:** [4 June 2018 08:39 UTC](https://discourse.nodered.org/t/marketing-automation-with-node-red/599 "2018-06-04T08:39:54Z")

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Can Node-RED be used for Marketing Automation?, Any idea?

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## [Pushing objects in to array](https://discourse.nodered.org/t/pushing-objects-in-to-array/587)

<div class="topic-metadata">

**Author:** [@toni](https://discourse.nodered.org/u/toni)\
**Replies:** 7\
**Last updated:** [4 June 2018 07:57 UTC](https://discourse.nodered.org/t/pushing-objects-in-to-array/587 "2018-06-04T07:57:43Z")

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Hello, Quite new to node-red but have a bit of a confusing thing that i would like to have clarification from more experienced node-red developers. I have a function which i would like to use to return an array of obje…

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## [How to release MySQL connection](https://discourse.nodered.org/t/how-to-release-mysql-connection/499)

<div class="topic-metadata">

**Author:** [@ad-He](https://discourse.nodered.org/u/ad-He)\
**Replies:** 15\
**Last updated:** [4 June 2018 00:49 UTC](https://discourse.nodered.org/t/how-to-release-mysql-connection/499 "2018-06-04T00:49:36Z")

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I use node module node-red-node-mysql to connect my MySQL DB. It works fine at begining.When I develop a lot of node red app with the same DataBase. I have some issue appear there is too many connection to my databae. …

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