# Latest

**URL:** https://discourse.nodered.org/latest.md?page=237

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

**Page:** 238

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## [Can't get node red to install on my rasberry PI](https://discourse.nodered.org/t/cant-get-node-red-to-install-on-my-rasberry-pi/85274)

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**Author:** [@nirat7](https://discourse.nodered.org/u/nirat7)\
**Replies:** 2\
**Last updated:** [7 February 2024 00:14 UTC](https://discourse.nodered.org/t/cant-get-node-red-to-install-on-my-rasberry-pi/85274 "2024-02-07T00:14:29Z")

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Trying to setup node-red (On Mac) and was wondering if anyone has experience with some of the issues of installing it on Raspberry Pi. I'm running the script and I appear to be having some issues with the Core package in…

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## [Coding advice/approach for "odd ball" amateur radio log records](https://discourse.nodered.org/t/coding-advice-approach-for-odd-ball-amateur-radio-log-records/85221)

<div class="topic-metadata">

**Author:** [@W6PNG](https://discourse.nodered.org/u/W6PNG)\
**Replies:** 4\
**Last updated:** [6 February 2024 23:51 UTC](https://discourse.nodered.org/t/coding-advice-approach-for-odd-ball-amateur-radio-log-records/85221 "2024-02-06T23:51:13Z")

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In my enjoyable wanderings around NR, I've been thrilled with how easy it is to get a result. However, I'd like to go beyond that and develop better skills as I realize I made liberal use of global context that has been …

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## [Progress circular](https://discourse.nodered.org/t/progress-circular/85265)

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**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 7\
**Last updated:** [6 February 2024 23:04 UTC](https://discourse.nodered.org/t/progress-circular/85265 "2024-02-06T23:04:26Z")

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I am playing around with v-progress-circular in the template node. I added the below code to the template node and when I inject the percentage as a number in msg.payload it updates the progress: Nice, this is the cod…

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## [How we can invoke/trigger the Node Red flow programmatically from Node JS app?](https://discourse.nodered.org/t/how-we-can-invoke-trigger-the-node-red-flow-programmatically-from-node-js-app/85267)

<div class="topic-metadata">

**Author:** [@akshay](https://discourse.nodered.org/u/akshay)\
**Replies:** 1\
**Last updated:** [6 February 2024 22:06 UTC](https://discourse.nodered.org/t/how-we-can-invoke-trigger-the-node-red-flow-programmatically-from-node-js-app/85267 "2024-02-06T22:06:15Z")

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Hi there, We have embedded the Node-Red into existing Node JS with an express framework app & we wanted to make a sync call to the flow programmatically (without HTTP call) from the same app. Is this something possible? …

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## [Conceptual problem with delayed response](https://discourse.nodered.org/t/conceptual-problem-with-delayed-response/85197)

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**Author:** [@xtrailrunner](https://discourse.nodered.org/u/xtrailrunner)\
**Replies:** 5\
**Last updated:** [6 February 2024 21:11 UTC](https://discourse.nodered.org/t/conceptual-problem-with-delayed-response/85197 "2024-02-06T21:11:58Z")

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Hello, I've build a flow to control a power storage system at home. I use a switch node from node-red-dashboard to display a binary state (ON | OFF) and to switch the binary state from ON to OFF or vice versa. This cau…

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## [How to separate two values of an object (temperature, humidity)](https://discourse.nodered.org/t/how-to-separate-two-values-of-an-object-temperature-humidity/85261)

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**Author:** [@jflopezsanchezmon](https://discourse.nodered.org/u/jflopezsanchezmon)\
**Replies:** 5\
**Last updated:** [6 February 2024 20:40 UTC](https://discourse.nodered.org/t/how-to-separate-two-values-of-an-object-temperature-humidity/85261 "2024-02-06T20:40:03Z")

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Hello, I would like to separate the two values of an object. I'm trying with the split node, but it doesn't work. Thanks

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## [Pasting examples: multiple ui-base config](https://discourse.nodered.org/t/pasting-examples-multiple-ui-base-config/85236)

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**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 4\
**Last updated:** [6 February 2024 17:18 UTC](https://discourse.nodered.org/t/pasting-examples-multiple-ui-base-config/85236 "2024-02-06T17:18:12Z")

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When I paste examples from here to play around with Dashboard 2.0 examples, I end up adding additional ui-base nodes and I get errors to remove it. Are there any tricks that I missed? Or is there a best naming practice …

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## [Twilio sandbox with node red](https://discourse.nodered.org/t/twilio-sandbox-with-node-red/85220)

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**Author:** [@joey\_ind](https://discourse.nodered.org/u/joey_ind)\
**Replies:** 2\
**Last updated:** [6 February 2024 16:55 UTC](https://discourse.nodered.org/t/twilio-sandbox-with-node-red/85220 "2024-02-06T16:55:06Z")

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Hi folks, I am trying to send whatsapp messages via twilio sandbox . Is there any node to do the same? I have configured my sandbox account but not able to integrate it with node red. Pls help

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## [Can I create / call context.name\[variable\]](https://discourse.nodered.org/t/can-i-create-call-context-name-variable/85258)

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**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\
**Replies:** 5\
**Last updated:** [6 February 2024 15:58 UTC](https://discourse.nodered.org/t/can-i-create-call-context-name-variable/85258 "2024-02-06T15:58:32Z")

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I am creating a node that will monitor ON duration for many switches under MQTT control. Is there a way to create / identify context like this? Switch behavior can happen in any random sequence (ie: SW 1 OFF, SW 4 ON, S…

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## [Change node - can this be done?](https://discourse.nodered.org/t/change-node-can-this-be-done/85214)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 10\
**Last updated:** [6 February 2024 15:48 UTC](https://discourse.nodered.org/t/change-node-can-this-be-done/85214 "2024-02-06T15:48:12Z")

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Sorry folks, another Today's dumb question. Recent events have had me going in circles with the change node. Base line of the question is this: Say I am expecting a number value to come in and for what ever reason it …

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## [Zigbee2 Motion sensor giving false positives](https://discourse.nodered.org/t/zigbee2-motion-sensor-giving-false-positives/85187)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 3\
**Last updated:** [6 February 2024 12:58 UTC](https://discourse.nodered.org/t/zigbee2-motion-sensor-giving-false-positives/85187 "2024-02-06T12:58:26Z")

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Hey All, I'm running a Aqara motion sensor via zigbee2mqtt. This is my only zigbee device, I've had it for a while but I can't get it working. I have it configured using the lowest sensitivity and a 30s detection inte…

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## [Automate subflow exports](https://discourse.nodered.org/t/automate-subflow-exports/85252)

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**Author:** [@hornbartho](https://discourse.nodered.org/u/hornbartho)\
**Replies:** 1\
**Last updated:** [6 February 2024 12:44 UTC](https://discourse.nodered.org/t/automate-subflow-exports/85252 "2024-02-06T12:44:47Z")

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Hi Folks, We are busy trying to to automate exporting a sub-flow into its own node, with the idea of building our own library that can be used across multiple devices. What would be the best approach to achieve this goa…

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## [Override or customise baseline layout](https://discourse.nodered.org/t/override-or-customise-baseline-layout/85160)

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**Author:** [@Waz](https://discourse.nodered.org/u/Waz)\
**Replies:** 11\
**Last updated:** [6 February 2024 12:07 UTC](https://discourse.nodered.org/t/override-or-customise-baseline-layout/85160 "2024-02-06T12:07:20Z")

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I've done my best at trying to understand Layout managers but I can't get this working. I'd really only like to tweak the baseline layout anyway. Is it possible to do this or do I need to set up a full alternative layou…

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## [Dashboard 2 Creating Pages & Groups](https://discourse.nodered.org/t/dashboard-2-creating-pages-groups/85124)

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**Author:** [@FormaServe](https://discourse.nodered.org/u/FormaServe)\
**Replies:** 7\
**Last updated:** [6 February 2024 11:57 UTC](https://discourse.nodered.org/t/dashboard-2-creating-pages-groups/85124 "2024-02-06T11:57:42Z")

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Hi there, is there any way, using Dash2 to create pages, groups and themes up front before any work is started on the flow? Cheers.

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## [Carousel in template](https://discourse.nodered.org/t/carousel-in-template/85235)

<div class="topic-metadata">

**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 7\
**Last updated:** [6 February 2024 11:41 UTC](https://discourse.nodered.org/t/carousel-in-template/85235 "2024-02-06T11:41:06Z")

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I wanted to understand the Vuetify templates a little better. I wanted to do a carousel: In my data I have an array of objects image-url contains the URL of the images. This is what I put into the template: \<template\> …

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## [Could not install node-red-contrib-smartmeter in Docker](https://discourse.nodered.org/t/could-not-install-node-red-contrib-smartmeter-in-docker/85253)

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**Author:** [@Smartmeter](https://discourse.nodered.org/u/Smartmeter)\
**Replies:** 0\
**Last updated:** [6 February 2024 11:32 UTC](https://discourse.nodered.org/t/could-not-install-node-red-contrib-smartmeter-in-docker/85253 "2024-02-06T11:32:57Z")

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Hi, after updating Nodered to V3.1.3 in Docker (19.03.15) I could not more install the node-red-contrib-smartmeter V0.6.3 Any ideas why? Here the logfile: \> node-red-docker@3.1.3 start \> node $NODE\_OPTIONS node\_modu…

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## [Going nuts with ui-template](https://discourse.nodered.org/t/going-nuts-with-ui-template/85219)

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**Author:** [@TheSaltydog](https://discourse.nodered.org/u/TheSaltydog)\
**Replies:** 9\
**Last updated:** [6 February 2024 10:05 UTC](https://discourse.nodered.org/t/going-nuts-with-ui-template/85219 "2024-02-06T10:05:55Z")

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Hi, I am getting crazy with an ui-template. It seems trivial, but either the group doesn't grow with the entry list or it is not shown at all... Sure I'm wrong, but I can't get out of this. \[{"id":"4117ffc1.b817","typ…

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## [communication between node red servers](https://discourse.nodered.org/t/communication-between-node-red-servers/85224)

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**Author:** [@RafaBravo](https://discourse.nodered.org/u/RafaBravo)\
**Replies:** 9\
**Last updated:** [6 February 2024 08:34 UTC](https://discourse.nodered.org/t/communication-between-node-red-servers/85224 "2024-02-06T08:34:52Z")

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Good afternoon, what would be the appropriate way to communicate 2 node-red servers? I've tried via MQTT, any other ideas?

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## [Crested Gecko Tank Hardware Design Help](https://discourse.nodered.org/t/crested-gecko-tank-hardware-design-help/85174)

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**Author:** [@jclucivero](https://discourse.nodered.org/u/jclucivero)\
**Replies:** 28\
**Last updated:** [6 February 2024 04:57 UTC](https://discourse.nodered.org/t/crested-gecko-tank-hardware-design-help/85174 "2024-02-06T04:57:40Z")

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Hello all I am a little new to this so I am looking for opinions or idea help on my design. Little background, I have a crested geco and I am automatiing his tank with temp and humidity, water pump and I am adding a heat…

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## [How to permanently display Node-RED dashboard](https://discourse.nodered.org/t/how-to-permanently-display-node-red-dashboard/85230)

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**Author:** [@BrittW23](https://discourse.nodered.org/u/BrittW23)\
**Replies:** 4\
**Last updated:** [6 February 2024 03:20 UTC](https://discourse.nodered.org/t/how-to-permanently-display-node-red-dashboard/85230 "2024-02-06T03:20:18Z")

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Hi! I am using Node-RED on a raspberry Pi with a small screen. I want to make it so the Node Red dashboard is the only thing that is displayed even when it is turned off and on again. Please let me know if this is possi…

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## [Polling API data to make a trend - how to process data?](https://discourse.nodered.org/t/polling-api-data-to-make-a-trend-how-to-process-data/85102)

<div class="topic-metadata">

**Author:** [@Stomachbuzz](https://discourse.nodered.org/u/Stomachbuzz)\
**Replies:** 2\
**Last updated:** [6 February 2024 01:50 UTC](https://discourse.nodered.org/t/polling-api-data-to-make-a-trend-how-to-process-data/85102 "2024-02-06T01:50:56Z")

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Hi there, For practice, I've gotten the idea of using Node Red to poll Google Maps API for a specific commute in both directions to trend the real commute time (taking traffic into account) during various times of day. …

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## [Would someone mind checking this subflow for me plaese?](https://discourse.nodered.org/t/would-someone-mind-checking-this-subflow-for-me-plaese/85238)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [5 February 2024 23:57 UTC](https://discourse.nodered.org/t/would-someone-mind-checking-this-subflow-for-me-plaese/85238 "2024-02-05T23:57:29Z")

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This is one of my babies. I've worked on it for a long time and it is getting better - I hope - than it was. This is a bit more strict in it's inputs, but offers a lot of handy stuff if you are dealing with devices tha…

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## [Power usage "graphs" from Tasmota device](https://discourse.nodered.org/t/power-usage-graphs-from-tasmota-device/85231)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 12\
**Last updated:** [5 February 2024 23:15 UTC](https://discourse.nodered.org/t/power-usage-graphs-from-tasmota-device/85231 "2024-02-05T23:15:03Z")

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I've got a Tasmota device that spits out messages with power usage. (yeah, I'm anal.) :wink: This is what I'm getting as an example. Sorry there is no actual values. {"Time":"2024-02-06T07:10:47", "ENERGY":{"TotalSt…

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## [Zip with password](https://discourse.nodered.org/t/zip-with-password/85184)

<div class="topic-metadata">

**Author:** [@robvoi](https://discourse.nodered.org/u/robvoi)\
**Replies:** 16\
**Last updated:** [5 February 2024 21:49 UTC](https://discourse.nodered.org/t/zip-with-password/85184 "2024-02-05T21:49:10Z")

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Hi, I'm looking for a way to generate a password protected .zip file. I want to use it to send mails with encrypted zip as attachment. Does someone know if/how this can be done? Thanks

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## [Sidebar text size](https://discourse.nodered.org/t/sidebar-text-size/85170)

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**Author:** [@perigalacticon](https://discourse.nodered.org/u/perigalacticon)\
**Replies:** 5\
**Last updated:** [5 February 2024 20:41 UTC](https://discourse.nodered.org/t/sidebar-text-size/85170 "2024-02-05T20:41:23Z")

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Is there a way to change (increase) the text size of the sidebar/debug window?

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## [Decoding the binary array from Nelinor Grid Battery, example flow](https://discourse.nodered.org/t/decoding-the-binary-array-from-nelinor-grid-battery-example-flow/85226)

<div class="topic-metadata">

**Author:** [@rnodist](https://discourse.nodered.org/u/rnodist)\
**Replies:** 0\
**Last updated:** [5 February 2024 19:03 UTC](https://discourse.nodered.org/t/decoding-the-binary-array-from-nelinor-grid-battery-example-flow/85226 "2024-02-05T19:03:55Z")

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Hello! Earlier I asked help from forum about decoding the binary array with buffer parser. Lately got it working with help of you guys and thinked to share result as an example, how I managed to receive data out from my …

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## [This is a question about a node called node red contrib sftp ssh](https://discourse.nodered.org/t/this-is-a-question-about-a-node-called-node-red-contrib-sftp-ssh/85207)

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**Author:** [@Node7189](https://discourse.nodered.org/u/Node7189)\
**Replies:** 6\
**Last updated:** [5 February 2024 14:27 UTC](https://discourse.nodered.org/t/this-is-a-question-about-a-node-called-node-red-contrib-sftp-ssh/85207 "2024-02-05T14:27:55Z")

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I apologize if this is a known issue, but I would like to ask. In this node, remote path and local path can be input using the msg method. However, Host, Username, and Password cannot be passed to the msg method properly…

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## [I want to generate excel file with Header](https://discourse.nodered.org/t/i-want-to-generate-excel-file-with-header/85210)

<div class="topic-metadata">

**Author:** [@PRABHAKAR82](https://discourse.nodered.org/u/PRABHAKAR82)\
**Replies:** 6\
**Last updated:** [5 February 2024 13:42 UTC](https://discourse.nodered.org/t/i-want-to-generate-excel-file-with-header/85210 "2024-02-05T13:42:46Z")

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Currently I generate excel file using MySQL database, but I want to add header on an excel sheet. Is it possible to add header? I attached the sample picture of what I want

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## [How to handle javascript events?](https://discourse.nodered.org/t/how-to-handle-javascript-events/85020)

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**Author:** [@protonmw](https://discourse.nodered.org/u/protonmw)\
**Replies:** 7\
**Last updated:** [5 February 2024 13:18 UTC](https://discourse.nodered.org/t/how-to-handle-javascript-events/85020 "2024-02-05T13:18:19Z")

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Hi experts! I want to include a CAN hardware interface into NR. How can I handle the events of the module? JavaScript Events The module emits the following events: open when the serial port is successfully opened …

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## [About node-red-contrib-telnet-client](https://discourse.nodered.org/t/about-node-red-contrib-telnet-client/85006)

<div class="topic-metadata">

**Author:** [@Node7189](https://discourse.nodered.org/u/Node7189)\
**Replies:** 4\
**Last updated:** [5 February 2024 12:38 UTC](https://discourse.nodered.org/t/about-node-red-contrib-telnet-client/85006 "2024-02-05T12:38:32Z")

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Sorry for the rather elementary question. When I check the properties of node-red-contrib-telnet-client, there is a setting item for the timeout time, but even if I enter a value, the timeout time does not change. If any…

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