# Latest

**URL:** https://discourse.nodered.org/latest.md?page=667

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

**Page:** 668

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## [Hi Noob here trying to understand node RED and SSH Client Output](https://discourse.nodered.org/t/hi-noob-here-trying-to-understand-node-red-and-ssh-client-output/55318)

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**Author:** [@Stian](https://discourse.nodered.org/u/Stian)\
**Replies:** 15\
**Last updated:** [25 December 2021 12:12 UTC](https://discourse.nodered.org/t/hi-noob-here-trying-to-understand-node-red-and-ssh-client-output/55318 "2021-12-25T12:12:44Z")

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I'm trying to do a SSH using SSHV2. and I got it working. It now outputs msg: Object in an array\[1\]. Now how do I use this? I guess a Function Witch I know nothing about. and looking for your visdom here:) This is what …

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## [How to add custom input type in subflow enviornment variables?](https://discourse.nodered.org/t/how-to-add-custom-input-type-in-subflow-enviornment-variables/55680)

<div class="topic-metadata">

**Author:** [@akashtalole](https://discourse.nodered.org/u/akashtalole)\
**Replies:** 0\
**Last updated:** [25 December 2021 11:33 UTC](https://discourse.nodered.org/t/how-to-add-custom-input-type-in-subflow-enviornment-variables/55680 "2021-12-25T11:33:27Z")

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I want to select list of elements from context store in dropdown list for subflow enviornment variables. How I can achive that? Is there any option to pass dropdown list at runtime?

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## [KEB Drive RS485 communication](https://discourse.nodered.org/t/keb-drive-rs485-communication/55647)

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**Author:** [@sam\_r](https://discourse.nodered.org/u/sam_r)\
**Replies:** 3\
**Last updated:** [25 December 2021 08:22 UTC](https://discourse.nodered.org/t/keb-drive-rs485-communication/55647 "2021-12-25T08:22:05Z")

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Hello Friends.. First I will like to apologies for creating new Topic on RS485 as there are already many topics exist,but i tried them and i can't find an my solution so.... I have a KEB VFD(drive) which have some param…

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## [Merry Christmas All](https://discourse.nodered.org/t/merry-christmas-all/55673)

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**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 0\
**Last updated:** [25 December 2021 02:39 UTC](https://discourse.nodered.org/t/merry-christmas-all/55673 "2021-12-25T02:39:29Z")

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Hope you all have a Merry Christmas and Happy New Year!!

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## [\[ANNOUNCE\] node-red-contrib-ui-reef](https://discourse.nodered.org/t/announce-node-red-contrib-ui-reef/55670)

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**Author:** [@MaddyP](https://discourse.nodered.org/u/MaddyP)\
**Replies:** 1\
**Last updated:** [25 December 2021 01:05 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-reef/55670 "2021-12-25T01:05:35Z")

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Hi Community, I wanted to share a project I've been working on now that it's public! node-red-contrib-ui-reef This project is designed with the focused intent of creating a Node-RED aquarium controller, but might also…

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## [Change the value of payload in a function node](https://discourse.nodered.org/t/change-the-value-of-payload-in-a-function-node/55662)

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**Author:** [@RichardU](https://discourse.nodered.org/u/RichardU)\
**Replies:** 2\
**Last updated:** [24 December 2021 22:07 UTC](https://discourse.nodered.org/t/change-the-value-of-payload-in-a-function-node/55662 "2021-12-24T22:07:57Z")

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For various reasons, I'm using a function node to change the payload. My incoming payload is a string. How do I incorporate that into the following function? msg.payload = { data: { "message":" incomin…

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## [I see this when NR is starting - just asking/mentioning](https://discourse.nodered.org/t/i-see-this-when-nr-is-starting-just-asking-mentioning/55666)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [24 December 2021 21:54 UTC](https://discourse.nodered.org/t/i-see-this-when-nr-is-starting-just-asking-mentioning/55666 "2021-12-24T21:54:51Z")

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Just noticed this as I am repeatedly stopping/starting NR. TypeError: Cannot read property 'config' of null at addWidget (/home/pi/.node-red/node\_modules/node-red-dashboard/index.js:73:39) at Object.addWidget (/…

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## [Enlarging radar chart to fill entire widget area](https://discourse.nodered.org/t/enlarging-radar-chart-to-fill-entire-widget-area/55665)

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**Author:** [@Jdo300](https://discourse.nodered.org/u/Jdo300)\
**Replies:** 0\
**Last updated:** [24 December 2021 21:27 UTC](https://discourse.nodered.org/t/enlarging-radar-chart-to-fill-entire-widget-area/55665 "2021-12-24T21:27:45Z")

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I have a widget group on my dashboard containing a Radar chart along with some other labels below it. I'm trying to make the chart (which isn't showing any labels of its own) fill the entire area of the widget but I can'…

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## [My ongoing confusion after updating to Buster and CPU load](https://discourse.nodered.org/t/my-ongoing-confusion-after-updating-to-buster-and-cpu-load/55642)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 13\
**Last updated:** [24 December 2021 21:20 UTC](https://discourse.nodered.org/t/my-ongoing-confusion-after-updating-to-buster-and-cpu-load/55642 "2021-12-24T21:20:26Z")

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Yeah, ok, I know this isn't a RasPi forum. But Node-Red is implicit. RasPiZ(W). Anyway, getting to the problem: This is what I see with htop Those lines with --max\_old\_space\_size....... So looking about what th…

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## [Customizing look of Navigation menu on Dashboard](https://discourse.nodered.org/t/customizing-look-of-navigation-menu-on-dashboard/55523)

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**Author:** [@Jdo300](https://discourse.nodered.org/u/Jdo300)\
**Replies:** 12\
**Last updated:** [24 December 2021 21:06 UTC](https://discourse.nodered.org/t/customizing-look-of-navigation-menu-on-dashboard/55523 "2021-12-24T21:06:47Z")

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I'm currently learning how to style the Node-RED dashboard I'm creating for a 10.1" touchscreen IoT application. I'm using the popup nav menu/sidebar for navigation and would like to make the text labels larger, and cont…

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## [Using InfluxDB 1.8 with node red](https://discourse.nodered.org/t/using-influxdb-1-8-with-node-red/55654)

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**Author:** [@saxenaramesh](https://discourse.nodered.org/u/saxenaramesh)\
**Replies:** 4\
**Last updated:** [24 December 2021 18:10 UTC](https://discourse.nodered.org/t/using-influxdb-1-8-with-node-red/55654 "2021-12-24T18:10:59Z")

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I am very new to Node-red. I am using node-red version v1.3.5 and Influxdb 1.8.10 I am trying to get data into node red from Influx. I am able to run the following query in node-red function node and it works well: msg…

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## [Motion Sensor Bug - how to solve](https://discourse.nodered.org/t/motion-sensor-bug-how-to-solve/55405)

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**Author:** [@Timsche2210](https://discourse.nodered.org/u/Timsche2210)\
**Replies:** 2\
**Last updated:** [24 December 2021 16:59 UTC](https://discourse.nodered.org/t/motion-sensor-bug-how-to-solve/55405 "2021-12-24T16:59:39Z")

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Hi there, I use node red at my home assistant. This is my current flow: \[{"id":"af7416ee.37c178","type":"tab","label":"Deckenlampe Flur","disabled":false,"info":""},{"id":"973114867756a562","type":"switch","z":"af7416…

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## [UART, I2C, SPI in node-red](https://discourse.nodered.org/t/uart-i2c-spi-in-node-red/54546)

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**Author:** [@addi](https://discourse.nodered.org/u/addi)\
**Replies:** 9\
**Last updated:** [24 December 2021 12:44 UTC](https://discourse.nodered.org/t/uart-i2c-spi-in-node-red/54546 "2021-12-24T12:44:02Z")

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Hello! Can anybody inform how to start working with UART, I2C, SPI of RPI B4 in node-red? If its possible Thanks

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## [Degree symbol in msg.payload](https://discourse.nodered.org/t/degree-symbol-in-msg-payload/55635)

<div class="topic-metadata">

**Author:** [@dokho](https://discourse.nodered.org/u/dokho)\
**Replies:** 4\
**Last updated:** [24 December 2021 11:36 UTC](https://discourse.nodered.org/t/degree-symbol-in-msg-payload/55635 "2021-12-24T11:36:09Z")

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Hello. I'm trying to add degree symbol (°C) in a msg.payload but something's wrong. I use the function below: msg.topic = "ECRAN-ENTREE/cmd"; msg.payload = Math.round(msg.payload.data\_day.temperature\_max\[1\]) msg.paylo…

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## [Check the Result of a MySQL Query](https://discourse.nodered.org/t/check-the-result-of-a-mysql-query/55621)

<div class="topic-metadata">

**Author:** [@\_R\_A\_L\_F](https://discourse.nodered.org/u/_R_A_L_F)\
**Replies:** 2\
**Last updated:** [24 December 2021 11:00 UTC](https://discourse.nodered.org/t/check-the-result-of-a-mysql-query/55621 "2021-12-24T11:00:09Z")

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Hello, as you can see on the picture, make a MySQL query to it can come to the following states: query to DB =\> the "chipnr" is not present, then I get \[empty\]. query to DB =\> the "chipnr" is available and I get the v…

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## [Feature request: set default editor window zoom level](https://discourse.nodered.org/t/feature-request-set-default-editor-window-zoom-level/9195)

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**Author:** [@stone](https://discourse.nodered.org/u/stone)\
**Replies:** 18\
**Last updated:** [24 December 2021 10:17 UTC](https://discourse.nodered.org/t/feature-request-set-default-editor-window-zoom-level/9195 "2021-12-24T10:17:55Z")

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would be nice. perhaps in settings.js

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## [Fs-ops-access node output formats](https://discourse.nodered.org/t/fs-ops-access-node-output-formats/55610)

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**Author:** [@SS-Akhilesh-Appala](https://discourse.nodered.org/u/SS-Akhilesh-Appala)\
**Replies:** 8\
**Last updated:** [24 December 2021 06:12 UTC](https://discourse.nodered.org/t/fs-ops-access-node-output-formats/55610 "2021-12-24T06:12:14Z")

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HI Team Can someone please help me here to understand the output format of fs-ops-access(a node used to check the file existence and access) Node under node-red-contrib-fs-ops. I am trying to build a sample flow with 2…

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## [Palette Influxdb install issue](https://discourse.nodered.org/t/palette-influxdb-install-issue/55447)

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**Author:** [@caven](https://discourse.nodered.org/u/caven)\
**Replies:** 13\
**Last updated:** [23 December 2021 21:42 UTC](https://discourse.nodered.org/t/palette-influxdb-install-issue/55447 "2021-12-23T21:42:02Z")

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Hi, i was trying to install the palette of influxdb, but i got the following error: 2021-12-20T01:16:53.306Z Install : node-red-contrib-influxdb 0.6.1 2021-12-20T01:17:01.886Z npm install --no-audit --no-update-notifie…

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## [.Length and Array of Objects ? What am i doing wrong?](https://discourse.nodered.org/t/length-and-array-of-objects-what-am-i-doing-wrong/55501)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 19\
**Last updated:** [23 December 2021 21:38 UTC](https://discourse.nodered.org/t/length-and-array-of-objects-what-am-i-doing-wrong/55501 "2021-12-23T21:38:22Z")

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Guys, I have an array of objects - i wish to work my way through them, extract a certain property from each object and then sum that (plus get the length) so i can then get a running average I have found some (what i t…

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## [Chart's X-Axis Time Values are 00:00:00](https://discourse.nodered.org/t/charts-x-axis-time-values-are-0000/8635)

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**Author:** [@rando](https://discourse.nodered.org/u/rando)\
**Replies:** 14\
**Last updated:** [27 August 2019 10:30 UTC](https://discourse.nodered.org/t/charts-x-axis-time-values-are-0000/8635 "2019-08-27T10:30:57Z")

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I have my node-red project deployed to a raspberry pi that is not connected to the internet. I have a dashboard chart that, when a button is pressed, it populates a "1" value so that a vertical line appears on the chart…

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## [Converting float to a formatted string](https://discourse.nodered.org/t/converting-float-to-a-formatted-string/53962)

<div class="topic-metadata">

**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 7\
**Last updated:** [23 December 2021 21:04 UTC](https://discourse.nodered.org/t/converting-float-to-a-formatted-string/53962 "2021-12-23T21:04:26Z")

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Hi there. Anybody know the best way to convert floats with an unknown number of digits before as well as after the dot, to a string with specific length so that the point is always at the same position in the string? Th…

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## [How to add ( or append ) new variables to a payload](https://discourse.nodered.org/t/how-to-add-or-append-new-variables-to-a-payload/55499)

<div class="topic-metadata">

**Author:** [@senzary](https://discourse.nodered.org/u/senzary)\
**Replies:** 10\
**Last updated:** [23 December 2021 20:49 UTC](https://discourse.nodered.org/t/how-to-add-or-append-new-variables-to-a-payload/55499 "2021-12-23T20:49:20Z")

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hello, i am new here and I am trying to add a variable devEui that will be eaul to a value received in payload // new variable -- var devEui =msg.end\_device\_id; var http\_packet = { payload: { …

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## [Serious bug (overwrites all /usr/bin permissions) with the Debian-based install script](https://discourse.nodered.org/t/serious-bug-overwrites-all-usr-bin-permissions-with-the-debian-based-install-script/52237)

<div class="topic-metadata">

**Author:** [@lepgithub](https://discourse.nodered.org/u/lepgithub)\
**Replies:** 42\
**Last updated:** [23 December 2021 19:00 UTC](https://discourse.nodered.org/t/serious-bug-overwrites-all-usr-bin-permissions-with-the-debian-based-install-script/52237 "2021-12-23T19:00:40Z")

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For years I've successfully installed Node-RED on 50+ rpi zeros via the Debian-based install script at Running on Raspberry Pi : Node-RED. However the latest script appears to have a bug where during the install process …

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## [Size / Height of dashboard tab node have changed - don't know how to reset](https://discourse.nodered.org/t/size-height-of-dashboard-tab-node-have-changed-dont-know-how-to-reset/55620)

<div class="topic-metadata">

**Author:** [@nosered1966](https://discourse.nodered.org/u/nosered1966)\
**Replies:** 4\
**Last updated:** [23 December 2021 18:37 UTC](https://discourse.nodered.org/t/size-height-of-dashboard-tab-node-have-changed-dont-know-how-to-reset/55620 "2021-12-23T18:37:42Z")

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It looks like the size of my dashboard tab nodes have changed for some reason as you can see in the screenshot. The tabs are overlapping. I think it happened after playing around with the Sizes in the settings of dashbo…

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## [Workload of 500MB over HTTP Request and MQTT](https://discourse.nodered.org/t/workload-of-500mb-over-http-request-and-mqtt/55554)

<div class="topic-metadata">

**Author:** [@thejollypop](https://discourse.nodered.org/u/thejollypop)\
**Replies:** 5\
**Last updated:** [23 December 2021 17:44 UTC](https://discourse.nodered.org/t/workload-of-500mb-over-http-request-and-mqtt/55554 "2021-12-23T17:44:06Z")

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Hello everyone, I have large files (buffers), 500mb each, I wish to stream/encode them as Base64 array and calculate their length and size, over the HTTP request node. This works well on workloads smaller than 100mb but…

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## [How do you group by a certain key value](https://discourse.nodered.org/t/how-do-you-group-by-a-certain-key-value/55585)

<div class="topic-metadata">

**Author:** [@hawks76](https://discourse.nodered.org/u/hawks76)\
**Replies:** 9\
**Last updated:** [23 December 2021 17:43 UTC](https://discourse.nodered.org/t/how-do-you-group-by-a-certain-key-value/55585 "2021-12-23T17:43:54Z")

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I'm working on a flow that pulls down weather alerts from the NWS API and i'm trying to figure out how to group alerts. So, for instance, if there has been 3 severe weather alerts (initial alert and 2 alerts extending t…

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## [New version of NR, lost in \`settings.js\` file](https://discourse.nodered.org/t/new-version-of-nr-lost-in-settings-js-file/55165)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 9\
**Last updated:** [23 December 2021 17:38 UTC](https://discourse.nodered.org/t/new-version-of-nr-lost-in-settings-js-file/55165 "2021-12-23T17:38:01Z")

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Sorry folks. After a lot of messing around, I nearly have the machine working. In the old version I could set a variable to set the device's name. functionGlobalContext: { // os:require('os'), // o…

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## [Node Red Loxone & Philips Hue Ambiance](https://discourse.nodered.org/t/node-red-loxone-philips-hue-ambiance/55617)

<div class="topic-metadata">

**Author:** [@liteworx](https://discourse.nodered.org/u/liteworx)\
**Replies:** 2\
**Last updated:** [23 December 2021 15:56 UTC](https://discourse.nodered.org/t/node-red-loxone-philips-hue-ambiance/55617 "2021-12-23T15:56:15Z")

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Node Red - Philips HUE Ambiance vor 12 Minuten I'm using the node-red-contrib-loxone 0.10.11 along with the node-red-contrib-huemagic (node) to control HUE lamps from Loxone which works great when using Philips HUE RGB…

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## [Project - take control over XML based electrical system (Nordic-Systems)](https://discourse.nodered.org/t/project-take-control-over-xml-based-electrical-system-nordic-systems/55619)

<div class="topic-metadata">

**Author:** [@Markusbj](https://discourse.nodered.org/u/Markusbj)\
**Replies:** 0\
**Last updated:** [23 December 2021 15:53 UTC](https://discourse.nodered.org/t/project-take-control-over-xml-based-electrical-system-nordic-systems/55619 "2021-12-23T15:53:55Z")

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Goal: Centralize technique via Node-red and HomeAssistant and control ports/switches in electrical central over HTTP XML integration via Node-Red. (Nordic-systems) background I built my house 7 years ago. I chose an s…

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## [What is going on here with \`parsint(\`](https://discourse.nodered.org/t/what-is-going-on-here-with-parsint/55600)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 17\
**Last updated:** [23 December 2021 10:06 UTC](https://discourse.nodered.org/t/what-is-going-on-here-with-parsint/55600 "2021-12-23T10:06:20Z")

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I seem to have played with this so much I have broken it. Sample flow/nodes: \[{"id":"6ffac257e6553cb2","type":"inject","z":"65c9b63cb09879a0","name":"","props":\[{"p":"payload"},{"p":"topic","vt":"str"}\],"repeat":"","cr…

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