# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1201

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

**Page:** 1202

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## [Using a Background Image and Links Together in Node-RED UI](https://discourse.nodered.org/t/using-a-background-image-and-links-together-in-node-red-ui/17841)

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**Author:** [@jstou](https://discourse.nodered.org/u/jstou)\
**Replies:** 5\
**Last updated:** [13 November 2019 07:09 UTC](https://discourse.nodered.org/t/using-a-background-image-and-links-together-in-node-red-ui/17841 "2019-11-13T07:09:35Z")

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Hi, I am wondering if Node-RED has the dynamic ability in the UI to have a background image where you can click on part of the image and it shows pre-defined group data (i.e., like one of the group "tiles"). What I am t…

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## [How to use oled node](https://discourse.nodered.org/t/how-to-use-oled-node/5423)

<div class="topic-metadata">

**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 3\
**Last updated:** [13 November 2019 04:11 UTC](https://discourse.nodered.org/t/how-to-use-oled-node/5423 "2019-11-13T04:11:12Z")

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Hi, Installed node-red-contrib-oled and managed to display a string "hello world" with inject node with json payload of { "size":3, "x":1,"y":1,"text":"hello world"}. (The format obviously require size and x y coordin…

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## [NodeRed on a usb stick?](https://discourse.nodered.org/t/nodered-on-a-usb-stick/17851)

<div class="topic-metadata">

**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 4\
**Last updated:** [13 November 2019 02:43 UTC](https://discourse.nodered.org/t/nodered-on-a-usb-stick/17851 "2019-11-13T02:43:56Z")

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Is it possible to have a 'portable' version of NR?

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## [Array into REST format for API call](https://discourse.nodered.org/t/array-into-rest-format-for-api-call/17850)

<div class="topic-metadata">

**Author:** [@danleighton](https://discourse.nodered.org/u/danleighton)\
**Replies:** 8\
**Last updated:** [13 November 2019 00:34 UTC](https://discourse.nodered.org/t/array-into-rest-format-for-api-call/17850 "2019-11-13T00:34:46Z")

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Hi All, Help needed please. I need to turn this array in the payload: { "payload": \[ { "latitude": "52.111", "longitude": "0.222" }, { "latitude": "52.333…

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## [Formatting JSON Array to node-red](https://discourse.nodered.org/t/formatting-json-array-to-node-red/17857)

<div class="topic-metadata">

**Author:** [@redlop](https://discourse.nodered.org/u/redlop)\
**Replies:** 4\
**Last updated:** [12 November 2019 22:20 UTC](https://discourse.nodered.org/t/formatting-json-array-to-node-red/17857 "2019-11-12T22:20:15Z")

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Hi, I have an ESP8266 program that prints the networks scanned and places them in a JSON Array. I'm trying to send it to via mqtt and node-red. I've also converted it into a String in arduino but when I connect a text no…

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## [Not able to install or deinstall nodes](https://discourse.nodered.org/t/not-able-to-install-or-deinstall-nodes/17858)

<div class="topic-metadata">

**Author:** [@IngoB](https://discourse.nodered.org/u/IngoB)\
**Replies:** 2\
**Last updated:** [12 November 2019 20:51 UTC](https://discourse.nodered.org/t/not-able-to-install-or-deinstall-nodes/17858 "2019-11-12T20:51:28Z")

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Hi, I have some truble with installation of nodes or deinstallation. On every try I will get the same message and tried to repair npm package issue. Do you have any idea to fix this issue? Thanks and regards Ingo 201…

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## [OTA Updates via LoRa (TTN) with ESP32/ESP8266](https://discourse.nodered.org/t/ota-updates-via-lora-ttn-with-esp32-esp8266/17837)

<div class="topic-metadata">

**Author:** [@Faze91](https://discourse.nodered.org/u/Faze91)\
**Replies:** 2\
**Last updated:** [12 November 2019 19:18 UTC](https://discourse.nodered.org/t/ota-updates-via-lora-ttn-with-esp32-esp8266/17837 "2019-11-12T19:18:39Z")

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How can I do an OTA update with node-red via LoRa (over The Things Network) with an ESP32? This topic does not help me: https://discourse.nodered.org/t/does-node-red-supports-over-the-air-ota-update/4674 I can already …

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## [Combine messages in different subflows](https://discourse.nodered.org/t/combine-messages-in-different-subflows/17650)

<div class="topic-metadata">

**Author:** [@pvanklink](https://discourse.nodered.org/u/pvanklink)\
**Replies:** 7\
**Last updated:** [12 November 2019 18:07 UTC](https://discourse.nodered.org/t/combine-messages-in-different-subflows/17650 "2019-11-12T18:07:01Z")

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Hi, i made a ping flow that works great. Each ping sends a message to domoticz and domoticz puts a device on or off ... No problems in the existing flow. I want to send one message for all my pings and not xxxx messa…

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## [Google Oauth2 Config](https://discourse.nodered.org/t/google-oauth2-config/13798)

<div class="topic-metadata">

**Author:** [@danleighton](https://discourse.nodered.org/u/danleighton)\
**Replies:** 6\
**Last updated:** [12 November 2019 17:32 UTC](https://discourse.nodered.org/t/google-oauth2-config/13798 "2019-11-12T17:32:43Z")

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I am currently trying to configure the discovery api using the https://github.com/pckhib/node-red-contrib-google-oauth2 node. Everything is working just fine, until I try to use the Dynamic (msg.operation) functionality…

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## [Highlight issue with Dashboard buttons](https://discourse.nodered.org/t/highlight-issue-with-dashboard-buttons/17852)

<div class="topic-metadata">

**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 0\
**Last updated:** [12 November 2019 17:26 UTC](https://discourse.nodered.org/t/highlight-issue-with-dashboard-buttons/17852 "2019-11-12T17:26:46Z")

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Hi I've just updated my blog here with working fancy text and image buttons... The ONE thing that is giving me trouble on round image-filled buttons - is some default grey highlighting when a dashboard "button" is p…

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## [Safely inject SQL](https://discourse.nodered.org/t/safely-inject-sql/17831)

<div class="topic-metadata">

**Author:** [@Meng](https://discourse.nodered.org/u/Meng)\
**Replies:** 4\
**Last updated:** [12 November 2019 14:35 UTC](https://discourse.nodered.org/t/safely-inject-sql/17831 "2019-11-12T14:35:17Z")

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How do I safely inject SQL queries in node red. I want to start with: function addPost(body, username) { return db.query( INSERT INTO posts (body, username) VALUES (?, ?) , \[body, username\], ); } H…

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## [Stored Variables vs messages](https://discourse.nodered.org/t/stored-variables-vs-messages/17835)

<div class="topic-metadata">

**Author:** [@mudwalker](https://discourse.nodered.org/u/mudwalker)\
**Replies:** 3\
**Last updated:** [12 November 2019 14:22 UTC](https://discourse.nodered.org/t/stored-variables-vs-messages/17835 "2019-11-12T14:22:31Z")

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Hi, I am after some advice/help. I have searched various terms and can't find what I am looking for, probably using wrong terms, but here goes! Does passing messages between nodes cost any extra resources, or is it be…

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## [Http request problem](https://discourse.nodered.org/t/http-request-problem/17791)

<div class="topic-metadata">

**Author:** [@tzeeth](https://discourse.nodered.org/u/tzeeth)\
**Replies:** 5\
**Last updated:** [12 November 2019 08:57 UTC](https://discourse.nodered.org/t/http-request-problem/17791 "2019-11-12T08:57:35Z")

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Hi Node-Red community, I have a problem that I do not find how to solve it. I am getting some variables from my server joining them into a msg.payload and then trying to send via HTTP request but the server does not res…

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## [Printing an array to node-red text dashboard node](https://discourse.nodered.org/t/printing-an-array-to-node-red-text-dashboard-node/17801)

<div class="topic-metadata">

**Author:** [@redlop](https://discourse.nodered.org/u/redlop)\
**Replies:** 20\
**Last updated:** [12 November 2019 07:56 UTC](https://discourse.nodered.org/t/printing-an-array-to-node-red-text-dashboard-node/17801 "2019-11-12T07:56:33Z")

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Hi. Im currently working on a project that scans for networks, as of now i've made it print the networks all at the same time. My problem is that I can't send the data into node-red via text node. It gives me an error th…

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## [Manage Palette Is Missing](https://discourse.nodered.org/t/manage-palette-is-missing/11876)

<div class="topic-metadata">

**Author:** [@tarihoran20](https://discourse.nodered.org/u/tarihoran20)\
**Replies:** 29\
**Last updated:** [12 November 2019 06:08 UTC](https://discourse.nodered.org/t/manage-palette-is-missing/11876 "2019-11-12T06:08:59Z")

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Hi, i'm new in node-red. a few days ago i want to install some palette but can't find the option "Manage Palette" on the menu. does anybody know how to solved the problem ? thank you

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## [Dashboard Counter](https://discourse.nodered.org/t/dashboard-counter/17613)

<div class="topic-metadata">

**Author:** [@james\_scott74](https://discourse.nodered.org/u/james_scott74)\
**Replies:** 5\
**Last updated:** [11 November 2019 23:31 UTC](https://discourse.nodered.org/t/dashboard-counter/17613 "2019-11-11T23:31:59Z")

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Hi, I'm new to node red but have found it fantastic in showing Temperature and Humidity readings with a DHT22 sensor and a raspberry pi 3B I have incorporated this in a 3.5" screen on an incubator and would really like…

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## [Dashboard small button alignment](https://discourse.nodered.org/t/dashboard-small-button-alignment/17811)

<div class="topic-metadata">

**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 5\
**Last updated:** [11 November 2019 23:23 UTC](https://discourse.nodered.org/t/dashboard-small-button-alignment/17811 "2019-11-11T23:23:14Z")

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Hi, i created some small buttons. But the font awesome is not so awesome is the alignment of the buttons. Is it possible to adjust this?

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## [Human readable time to mysql](https://discourse.nodered.org/t/human-readable-time-to-mysql/17689)

<div class="topic-metadata">

**Author:** [@moment](https://discourse.nodered.org/u/moment)\
**Replies:** 10\
**Last updated:** [11 November 2019 22:18 UTC](https://discourse.nodered.org/t/human-readable-time-to-mysql/17689 "2019-11-11T22:18:14Z")

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i'm using interval node and inserting data to mysql ,everything works if i insert the time in milliseconds... i want to insert it directly into human readable form, the interval node outputs the human readable as 1m 30…

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## [Node-red ne démarre plus](https://discourse.nodered.org/t/node-red-ne-demarre-plus/17794)

<div class="topic-metadata">

**Author:** [@antoine](https://discourse.nodered.org/u/antoine)\
**Replies:** 10\
**Last updated:** [11 November 2019 21:06 UTC](https://discourse.nodered.org/t/node-red-ne-demarre-plus/17794 "2019-11-11T21:06:28Z")

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bonjour, Node-red ne démarre plus. node-red-log:

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## [Need help temporary payload](https://discourse.nodered.org/t/need-help-temporary-payload/17803)

<div class="topic-metadata">

**Author:** [@m\_elias](https://discourse.nodered.org/u/m_elias)\
**Replies:** 1\
**Last updated:** [11 November 2019 21:05 UTC](https://discourse.nodered.org/t/need-help-temporary-payload/17803 "2019-11-11T21:05:46Z")

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I have a TCP input node triggering a flow once per second with data from a load cell weigh scale. I'd like to output that payload to a TCP output node (remote display) continuously except when certain conditions are met …

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## [Sun Events Node](https://discourse.nodered.org/t/sun-events-node/17615)

<div class="topic-metadata">

**Author:** [@budlyte](https://discourse.nodered.org/u/budlyte)\
**Replies:** 2\
**Last updated:** [11 November 2019 18:23 UTC](https://discourse.nodered.org/t/sun-events-node/17615 "2019-11-11T18:23:22Z")

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running hassio node red 5.0.3. sun events node has been working to turn lights on at sunset for at least a year. After updating to 5.0.3 no sun events are generated. Also noted that when node red starts it shows all e…

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## [Capture complete msg to a global.property](https://discourse.nodered.org/t/capture-complete-msg-to-a-global-property/3168)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 13\
**Last updated:** [11 November 2019 16:52 UTC](https://discourse.nodered.org/t/capture-complete-msg-to-a-global-property/3168 "2019-11-11T16:52:47Z")

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I feel this is dead simpe but my minds gone blank I want to capture a complete msg object to re-use it for debugging purposes in another flow So I thought - lets send it to global.whole And then I thought - em - how …

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## [Need help with Delay node](https://discourse.nodered.org/t/need-help-with-delay-node/17798)

<div class="topic-metadata">

**Author:** [@birdbrain2734](https://discourse.nodered.org/u/birdbrain2734)\
**Replies:** 3\
**Last updated:** [11 November 2019 15:20 UTC](https://discourse.nodered.org/t/need-help-with-delay-node/17798 "2019-11-11T15:20:23Z")

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I have searched through the forum but have not found what I am after. I want to read a CSV, parse it and use its data to simulate a sequence of activities to a time-series database. Each line of the CSV includes a dela…

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## [Change UI Tab name dynamically](https://discourse.nodered.org/t/change-ui-tab-name-dynamically/17797)

<div class="topic-metadata">

**Author:** [@Henjoe](https://discourse.nodered.org/u/Henjoe)\
**Replies:** 0\
**Last updated:** [11 November 2019 14:19 UTC](https://discourse.nodered.org/t/change-ui-tab-name-dynamically/17797 "2019-11-11T14:19:53Z")

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Hello is it possible to change the Tab name dynamically in node-red? Let say I have "Main" tab and I want to change the name of "Main" tab into something. Will it be possible? Many thanks guys !

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## [Node-Red buffer](https://discourse.nodered.org/t/node-red-buffer/17727)

<div class="topic-metadata">

**Author:** [@New2Node](https://discourse.nodered.org/u/New2Node)\
**Replies:** 4\
**Last updated:** [11 November 2019 13:27 UTC](https://discourse.nodered.org/t/node-red-buffer/17727 "2019-11-11T13:27:29Z")

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Hi, I’m new to Node-Red so I’m just working my way through all the various nodes. I want to use Node-Red to read an Electricity meter which uses IEC 62056-21 protocol. I have the meter connected over RS232, if I use the…

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## [Mot de passe qui ne marche pas](https://discourse.nodered.org/t/mot-de-passe-qui-ne-marche-pas/17757)

<div class="topic-metadata">

**Author:** [@antoine](https://discourse.nodered.org/u/antoine)\
**Replies:** 7\
**Last updated:** [11 November 2019 11:38 UTC](https://discourse.nodered.org/t/mot-de-passe-qui-ne-marche-pas/17757 "2019-11-11T11:38:34Z")

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Bonjour, J'ai parmetrer le fichier settings.js pour mettre un utilisateur et un mot de passe mais cela ne marche pas quand je veut me connecter. Pouvez-vous M'aider Merci.

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## [Send Array with serial out](https://discourse.nodered.org/t/send-array-with-serial-out/17558)

<div class="topic-metadata">

**Author:** [@alpha9](https://discourse.nodered.org/u/alpha9)\
**Replies:** 2\
**Last updated:** [11 November 2019 09:56 UTC](https://discourse.nodered.org/t/send-array-with-serial-out/17558 "2019-11-11T09:56:46Z")

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Hello everyone I'm trying to send a buffer or array, created in a function-block, with the serial-out-block. The problem now is, that the array is sent within the message.payload information. So the array-information a…

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## [How to display list of files in current date](https://discourse.nodered.org/t/how-to-display-list-of-files-in-current-date/17764)

<div class="topic-metadata">

**Author:** [@clique](https://discourse.nodered.org/u/clique)\
**Replies:** 2\
**Last updated:** [11 November 2019 08:36 UTC](https://discourse.nodered.org/t/how-to-display-list-of-files-in-current-date/17764 "2019-11-11T08:36:35Z")

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Hi. I want to ask how can I display list of files in current date ??

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## [Iobroker node red, failed to open vchiq instance](https://discourse.nodered.org/t/iobroker-node-red-failed-to-open-vchiq-instance/17759)

<div class="topic-metadata">

**Author:** [@maku12](https://discourse.nodered.org/u/maku12)\
**Replies:** 1\
**Last updated:** [11 November 2019 08:33 UTC](https://discourse.nodered.org/t/iobroker-node-red-failed-to-open-vchiq-instance/17759 "2019-11-11T08:33:57Z")

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Hi, I'm using raspbian strech lite and running a node red instance in iobroker. When i try an exec node with a simple raspistill command I get following error: failed to open vchiq instance manyThanks for help

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## [Insert Query in postgre not working](https://discourse.nodered.org/t/insert-query-in-postgre-not-working/17779)

<div class="topic-metadata">

**Author:** [@pranavthakkar](https://discourse.nodered.org/u/pranavthakkar)\
**Replies:** 9\
**Last updated:** [11 November 2019 07:38 UTC](https://discourse.nodered.org/t/insert-query-in-postgre-not-working/17779 "2019-11-11T07:38:07Z")

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Hello there , Greetings ! I' working on Postgresql and I want to insert the query into it but it is not inserting into it. This is syntax of query This is flow, and this is pgadmin table

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