# Latest

**URL:** https://discourse.nodered.org/latest.md?page=813

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

**Page:** 814

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## [How to disable 'drop flow here' feature?](https://discourse.nodered.org/t/how-to-disable-drop-flow-here-feature/45355)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 17\
**Last updated:** [18 May 2021 18:57 UTC](https://discourse.nodered.org/t/how-to-disable-drop-flow-here-feature/45355 "2021-05-18T18:57:09Z")

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How to disable 'drop flow here' feature? Once it pops up, you can't cancel it? Quite the PITA when you are editing a flow, and can't get rid of it.

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## [Elegant way in a flow to determine if the MQTT broker is disconnected, connecting or connected?](https://discourse.nodered.org/t/elegant-way-in-a-flow-to-determine-if-the-mqtt-broker-is-disconnected-connecting-or-connected/45865)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 3\
**Last updated:** [18 May 2021 18:37 UTC](https://discourse.nodered.org/t/elegant-way-in-a-flow-to-determine-if-the-mqtt-broker-is-disconnected-connecting-or-connected/45865 "2021-05-18T18:37:20Z")

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Elegant way in a flow to determine if the MQTT broker is still disconnected, connecting or finally connected? I have a rather busy NR instance, and on NR start up, or full deploy, the MQTT nodes are taking a few seconds…

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## [A syntax problematic](https://discourse.nodered.org/t/a-syntax-problematic/45862)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 2\
**Last updated:** [18 May 2021 18:28 UTC](https://discourse.nodered.org/t/a-syntax-problematic/45862 "2021-05-18T18:28:59Z")

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Hello Node Red forum I need your help with a syntax problematic v\_pco="63488"; v\_txt="Hallo"; test=\["p\[3\].b\[6\].pco=63488", "p\[3\].b\[6\].txt=\\"Hallo\\"" \]; msg.payload=test; if I send this variable with msg.payload=test; …

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## [Group control Dashboard](https://discourse.nodered.org/t/group-control-dashboard/45871)

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**Author:** [@radjesth](https://discourse.nodered.org/u/radjesth)\
**Replies:** 0\
**Last updated:** [18 May 2021 17:21 UTC](https://discourse.nodered.org/t/group-control-dashboard/45871 "2021-05-18T17:21:22Z")

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Hello experts I have a dashboard called; Easywatersupply - Start I have 3 groups 1 - Instructies1 2 - Start 3 - Status I want to control them by ui-template I have made a inject with the following code: {"gro…

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## [Disable Nodes from Dashboard](https://discourse.nodered.org/t/disable-nodes-from-dashboard/45864)

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**Author:** [@psalibe](https://discourse.nodered.org/u/psalibe)\
**Replies:** 3\
**Last updated:** [18 May 2021 16:38 UTC](https://discourse.nodered.org/t/disable-nodes-from-dashboard/45864 "2021-05-18T16:38:57Z")

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Hi All, Wondering if there is a way to disable a node via a button on the dashboard.. I am wondering specifically about the node-red-contrib-opcua nodes. Whenever we download and write to the PLC, the OPC connection goe…

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## [Tasmota/Sonoff switch all 3 connected relays](https://discourse.nodered.org/t/tasmota-sonoff-switch-all-3-connected-relays/45779)

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**Author:** [@HaVi](https://discourse.nodered.org/u/HaVi)\
**Replies:** 19\
**Last updated:** [18 May 2021 16:06 UTC](https://discourse.nodered.org/t/tasmota-sonoff-switch-all-3-connected-relays/45779 "2021-05-18T16:06:52Z")

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My Generic Sonoff Module flashed with Tasmota switches 3 relays. I am using the switch node from node-red-contrib-tasmota and I manage to switch the first relay (Relay1 on D1/GPIO5). So far so good... Does anyone know h…

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## [Ui\_mp4frag in uibuilder](https://discourse.nodered.org/t/ui-mp4frag-in-uibuilder/45798)

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**Author:** [@cdg123](https://discourse.nodered.org/u/cdg123)\
**Replies:** 5\
**Last updated:** [18 May 2021 16:14 UTC](https://discourse.nodered.org/t/ui-mp4frag-in-uibuilder/45798 "2021-05-18T16:14:15Z")

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I have just got back into my project for creating a cctv and power usage home monitoring solution and got my head around the absolutely brilliant work that @kevinGodell has produced with the mp4frag and ui\_mp4frag nodes. …

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## [New User, odd stiuation](https://discourse.nodered.org/t/new-user-odd-stiuation/45742)

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**Author:** [@Cyprus125](https://discourse.nodered.org/u/Cyprus125)\
**Replies:** 34\
**Last updated:** [18 May 2021 15:26 UTC](https://discourse.nodered.org/t/new-user-odd-stiuation/45742 "2021-05-18T15:26:30Z")

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Here is my current deployment, it is crude. i have 5+ Pi Zeros with BME280 sensors. I'm using RRDtool to log temp, humidity, and pressure. these graphs are sent to my pi4 4gig which runs web server among other things. I…

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## [Editor message box](https://discourse.nodered.org/t/editor-message-box/45389)

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**Author:** [@cflurin](https://discourse.nodered.org/u/cflurin)\
**Replies:** 4\
**Last updated:** [18 May 2021 15:09 UTC](https://discourse.nodered.org/t/editor-message-box/45389 "2021-05-18T15:09:00Z")

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After clicking the Deploy button a message box appears on the top that partially covers the flow tabs (Chrome and Safari). Would it be possible to reduce the message box height?

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## [How to pass msg.payload to template node](https://discourse.nodered.org/t/how-to-pass-msg-payload-to-template-node/45639)

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**Author:** [@quemf](https://discourse.nodered.org/u/quemf)\
**Replies:** 17\
**Last updated:** [18 May 2021 15:01 UTC](https://discourse.nodered.org/t/how-to-pass-msg-payload-to-template-node/45639 "2021-05-18T15:01:07Z")

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Hi! I added a google maps widget to the Dashboard and I am trying to add a msg.payload.lat as the latitude and msg.payload.lon as longitude, but I don't know the right syntax. Could anyone help me please? Thank you! T…

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## [Ui-table with custom colors](https://discourse.nodered.org/t/ui-table-with-custom-colors/45769)

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**Author:** [@storock](https://discourse.nodered.org/u/storock)\
**Replies:** 6\
**Last updated:** [18 May 2021 13:38 UTC](https://discourse.nodered.org/t/ui-table-with-custom-colors/45769 "2021-05-18T13:38:33Z")

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Hi there, i have an dashbord with some datas from as/400 - works fine. In some cases i will color a cell in red or green, but i have no idea, how this could work. I have search for resolution in forums with no crucial no…

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## [Custom flow background](https://discourse.nodered.org/t/custom-flow-background/45854)

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**Author:** [@HasikL](https://discourse.nodered.org/u/HasikL)\
**Replies:** 0\
**Last updated:** [18 May 2021 13:11 UTC](https://discourse.nodered.org/t/custom-flow-background/45854 "2021-05-18T13:11:35Z")

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Hello, I would like to ask if it is possible to change a background image from the basic grid to a custom image and bind it to only one flow.

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## [Convert number to hex](https://discourse.nodered.org/t/convert-number-to-hex/45837)

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**Author:** [@DerD74](https://discourse.nodered.org/u/DerD74)\
**Replies:** 4\
**Last updated:** [18 May 2021 12:50 UTC](https://discourse.nodered.org/t/convert-number-to-hex/45837 "2021-05-18T12:50:27Z")

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Dear all, I wont connect STONE Panel via Serial Bus. Therfore I must convert Value from PLC to hex. Following I post what I tested, but in debug node the converted value will not shown. Perhaps someone have a Idea? …

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## [Decimal to Binary signed 2's complement](https://discourse.nodered.org/t/decimal-to-binary-signed-2s-complement/45834)

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**Author:** [@Aivaras](https://discourse.nodered.org/u/Aivaras)\
**Replies:** 8\
**Last updated:** [18 May 2021 12:38 UTC](https://discourse.nodered.org/t/decimal-to-binary-signed-2s-complement/45834 "2021-05-18T12:38:20Z")

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Hello, Could someone help me to make a Decimal to Binary signed 2's complement converter in node-red ? Best Regards Aivaras

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## [I can't publish data from node-red](https://discourse.nodered.org/t/i-cant-publish-data-from-node-red/45780)

<div class="topic-metadata">

**Author:** [@Yaleaura](https://discourse.nodered.org/u/Yaleaura)\
**Replies:** 30\
**Last updated:** [18 May 2021 12:37 UTC](https://discourse.nodered.org/t/i-cant-publish-data-from-node-red/45780 "2021-05-18T12:37:26Z")

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My device cannot receive the data.Here are the pictures of my settings

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## [Can´t install any nodes, help!](https://discourse.nodered.org/t/can-t-install-any-nodes-help/45829)

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**Author:** [@RobertG](https://discourse.nodered.org/u/RobertG)\
**Replies:** 4\
**Last updated:** [18 May 2021 12:34 UTC](https://discourse.nodered.org/t/can-t-install-any-nodes-help/45829 "2021-05-18T12:34:28Z")

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Very new to Node-Red, wanted to install dashboard node. Only get error

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## [Manage nodes inside dashboard](https://discourse.nodered.org/t/manage-nodes-inside-dashboard/45836)

<div class="topic-metadata">

**Author:** [@Abdulrhman\_Batikh](https://discourse.nodered.org/u/Abdulrhman_Batikh)\
**Replies:** 2\
**Last updated:** [18 May 2021 12:25 UTC](https://discourse.nodered.org/t/manage-nodes-inside-dashboard/45836 "2021-05-18T12:25:54Z")

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Hello guys , I have a question and need to answer , how can I hiding nodes inside group by programming in dashboard, I have input nodes (as slider, dropdown, text input) inside group and I don't want to show this nodes …

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## [Help Failed to install: node-red-contrib-bluetooth-serial-port](https://discourse.nodered.org/t/help-failed-to-install-node-red-contrib-bluetooth-serial-port/45825)

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**Author:** [@med](https://discourse.nodered.org/u/med)\
**Replies:** 4\
**Last updated:** [18 May 2021 12:20 UTC](https://discourse.nodered.org/t/help-failed-to-install-node-red-contrib-bluetooth-serial-port/45825 "2021-05-18T12:20:45Z")

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Hi guys I'm trying to install this node on my computer but I got this msg I don't know why?

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## [Detect a word and activate an output](https://discourse.nodered.org/t/detect-a-word-and-activate-an-output/45822)

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**Author:** [@raulrodca](https://discourse.nodered.org/u/raulrodca)\
**Replies:** 4\
**Last updated:** [18 May 2021 11:47 UTC](https://discourse.nodered.org/t/detect-a-word-and-activate-an-output/45822 "2021-05-18T11:47:17Z")

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Hello good day I want to make a flow that when detecting a specific word when receiving it in an email message, it triggers an output. The idea is to receive a message such as "High temperature alert" that when detecti…

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## [Encoding UTF-8 option is missing in Node Red v1.3.4](https://discourse.nodered.org/t/encoding-utf-8-option-is-missing-in-node-red-v1-3-4/45820)

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**Author:** [@sastusb](https://discourse.nodered.org/u/sastusb)\
**Replies:** 3\
**Last updated:** [18 May 2021 11:09 UTC](https://discourse.nodered.org/t/encoding-utf-8-option-is-missing-in-node-red-v1-3-4/45820 "2021-05-18T11:09:57Z")

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Hi All, I was using the Node Red 1.3.0-beta.1 version & I was seeing encoding feature in MQTT nodes where I was able to set encoding as UTF-8. But the same feature is not available in latest Node Red v1.3.4. Can anyo…

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## [Read msg.payload\[variable\], identifier as variable string](https://discourse.nodered.org/t/read-msg-payload-variable-identifier-as-variable-string/45812)

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**Author:** [@Doebe](https://discourse.nodered.org/u/Doebe)\
**Replies:** 2\
**Last updated:** [18 May 2021 08:24 UTC](https://discourse.nodered.org/t/read-msg-payload-variable-identifier-as-variable-string/45812 "2021-05-18T08:24:44Z")

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Hi, is his possible in a function to read the msg.payload with a variable identifier ? eg. var tagname = node.name; // Get name of node eg. LSH3-1.0 (level switch high) // in the msg.payload there is a value // LS…

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## [Creating array and then average](https://discourse.nodered.org/t/creating-array-and-then-average/45817)

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**Author:** [@uno386](https://discourse.nodered.org/u/uno386)\
**Replies:** 1\
**Last updated:** [18 May 2021 08:00 UTC](https://discourse.nodered.org/t/creating-array-and-then-average/45817 "2021-05-18T08:00:25Z")

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Hi everyone, I am getting msg payload 4 times per day. So i want to store msg value in array of 4 elements. Then, I want to calculate average of these 4 Elementes. But I am stuck in between counter(to count which numbe…

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## [Sum values in an array](https://discourse.nodered.org/t/sum-values-in-an-array/44562)

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**Author:** [@lsadow](https://discourse.nodered.org/u/lsadow)\
**Replies:** 6\
**Last updated:** [18 May 2021 07:34 UTC](https://discourse.nodered.org/t/sum-values-in-an-array/44562 "2021-05-18T07:34:52Z")

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Can someone please give me a correction on this flow...I am trying to sum the values in this example array. Thanks, \[{"id":"e9c32823.c6a048","type":"tab","label":"Flow 4","disabled":false,"info":""},{"id":"2f47f00c.b804…

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## [Geofence resolution](https://discourse.nodered.org/t/geofence-resolution/45748)

<div class="topic-metadata">

**Author:** [@LosinIt](https://discourse.nodered.org/u/LosinIt)\
**Replies:** 9\
**Last updated:** [18 May 2021 07:26 UTC](https://discourse.nodered.org/t/geofence-resolution/45748 "2021-05-18T07:26:20Z")

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I don't see a resolution number stated for the built-in geofence node but it seems to be too large. I'm trying to use a polygon around my home that includes all the area from which I can see what's happening there but it…

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## [Executing several commands in sequence](https://discourse.nodered.org/t/executing-several-commands-in-sequence/45814)

<div class="topic-metadata">

**Author:** [@G-Rizzle](https://discourse.nodered.org/u/G-Rizzle)\
**Replies:** 1\
**Last updated:** [18 May 2021 07:24 UTC](https://discourse.nodered.org/t/executing-several-commands-in-sequence/45814 "2021-05-18T07:24:51Z")

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hello, Im trying to controll a tello drone with node red. i can use commands like "move forward 50 cm" or "move xyz" etc. still i want to execute several commands in sequence with one "click". i want to have a dashboar…

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## [Web Socket multiuser data](https://discourse.nodered.org/t/web-socket-multiuser-data/45775)

<div class="topic-metadata">

**Author:** [@Kartiknodered](https://discourse.nodered.org/u/Kartiknodered)\
**Replies:** 2\
**Last updated:** [18 May 2021 04:01 UTC](https://discourse.nodered.org/t/web-socket-multiuser-data/45775 "2021-05-18T04:01:35Z")

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Hello, How can we send multiple user data on web socket? Read more.. Suppose I have 10 user and I have web socket connected to some port say ws/example. Now all the user can send their data on websocket . So is it aff…

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## [Email Node, Not Attaching All files: Security reasons?](https://discourse.nodered.org/t/email-node-not-attaching-all-files-security-reasons/45790)

<div class="topic-metadata">

**Author:** [@mrSidX](https://discourse.nodered.org/u/mrSidX)\
**Replies:** 3\
**Last updated:** [18 May 2021 03:30 UTC](https://discourse.nodered.org/t/email-node-not-attaching-all-files-security-reasons/45790 "2021-05-18T03:30:23Z")

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I have an email out node that won't take in an attached settings.js file. The node I constructed obtains the flows.json file automatically with the package.json and settings.js files. Errors when I include the settings…

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## [Node Github template](https://discourse.nodered.org/t/node-github-template/45799)

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**Author:** [@nlecaude](https://discourse.nodered.org/u/nlecaude)\
**Replies:** 4\
**Last updated:** [18 May 2021 03:15 UTC](https://discourse.nodered.org/t/node-github-template/45799 "2021-05-18T03:15:28Z")

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Hello, I created a template repo on Github you can use to quickly start a new node: It's not fancy or anything but could be useful, it integrates a sample test too. Let me know what you think !

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## [How create HA entities from a HTTP request](https://discourse.nodered.org/t/how-create-ha-entities-from-a-http-request/45739)

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**Author:** [@Albert](https://discourse.nodered.org/u/Albert)\
**Replies:** 8\
**Last updated:** [18 May 2021 00:45 UTC](https://discourse.nodered.org/t/how-create-ha-entities-from-a-http-request/45739 "2021-05-18T00:45:45Z")

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Hi, I am new to Node-Red and I am not sure what is the best way to proceed. I want to request data from a power monitor. I can use the HTTP request and I get the data below. I am only interested on the payload data to c…

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## [Handling async responses in uibuilder](https://discourse.nodered.org/t/handling-async-responses-in-uibuilder/45756)

<div class="topic-metadata">

**Author:** [@amitsinghio](https://discourse.nodered.org/u/amitsinghio)\
**Replies:** 1\
**Last updated:** [18 May 2021 00:06 UTC](https://discourse.nodered.org/t/handling-async-responses-in-uibuilder/45756 "2021-05-18T00:06:35Z")

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Hi Guys, I have another rather stupid question regarding uibuilder. How do I handle async calls with uibuilder? In my case I have a function, which sends a message to node-red, which then returns another message. Is the…

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