# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1023

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

**Page:** 1024

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## [Function node flags octal assignments with leading 0's, warns at deploy but runs fine](https://discourse.nodered.org/t/function-node-flags-octal-assignments-with-leading-0s-warns-at-deploy-but-runs-fine/31346)

<div class="topic-metadata">

**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 0\
**Last updated:** [9 August 2020 15:17 UTC](https://discourse.nodered.org/t/function-node-flags-octal-assignments-with-leading-0s-warns-at-deploy-but-runs-fine/31346 "2020-08-09T15:17:08Z")

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If you enter the following into a function node, no statement is flagged in the editor: msg.payload = 0755 return msg; However when you look at the flow diagram, the function node is flagged (red triangle) with a noe…

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## [Dealing with multiple msg.payloads at once](https://discourse.nodered.org/t/dealing-with-multiple-msg-payloads-at-once/31322)

<div class="topic-metadata">

**Author:** [@mikewoodld](https://discourse.nodered.org/u/mikewoodld)\
**Replies:** 3\
**Last updated:** [9 August 2020 14:34 UTC](https://discourse.nodered.org/t/dealing-with-multiple-msg-payloads-at-once/31322 "2020-08-09T14:34:21Z")

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Hi! I'm wondering if there's a more efficient way to accomplish what I'm doing here. I'm using the FlightRadar24 Node, and the goal is that I want to generate a return-separated list of all of the flight registration nu…

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## [Node-RED dashboard performance across tablets & mobiles](https://discourse.nodered.org/t/node-red-dashboard-performance-across-tablets-mobiles/30330)

<div class="topic-metadata">

**Author:** [@alex88](https://discourse.nodered.org/u/alex88)\
**Replies:** 37\
**Last updated:** [9 August 2020 14:12 UTC](https://discourse.nodered.org/t/node-red-dashboard-performance-across-tablets-mobiles/30330 "2020-08-09T14:12:26Z")

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Hi, I have a question about performance of Node-RED on different devices. I am running Node-RED on a perfectly adequate desktop PC, but plan to migrate to a 4GB Pi4 shortly. The question is related to this previous po…

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## [Regular Expression in Change Node Not Working](https://discourse.nodered.org/t/regular-expression-in-change-node-not-working/31240)

<div class="topic-metadata">

**Author:** [@gctseng](https://discourse.nodered.org/u/gctseng)\
**Replies:** 12\
**Last updated:** [9 August 2020 12:59 UTC](https://discourse.nodered.org/t/regular-expression-in-change-node-not-working/31240 "2020-08-09T12:59:00Z")

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I have created a flow to send an e-mail when a battery level is lower than a certain percentage. I used a Change node: The Change node gets a msg.payload from a State-Change node for a battery level, which works (e.g.…

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## [Export Grafana data to CSV file from NodeRed Dashboard](https://discourse.nodered.org/t/export-grafana-data-to-csv-file-from-nodered-dashboard/31238)

<div class="topic-metadata">

**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 13\
**Last updated:** [9 August 2020 12:38 UTC](https://discourse.nodered.org/t/export-grafana-data-to-csv-file-from-nodered-dashboard/31238 "2020-08-09T12:38:51Z")

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I have integrated Grafana chart into NodeRed Dashboard by following the flow here: https://flows.nodered.org/flow/8e96b8630c4edc866aa0459354033c9b/in/u1hmO7pQPVSi Now I am wondering if we can export the data shown in th…

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## [Icons not showing](https://discourse.nodered.org/t/icons-not-showing/31310)

<div class="topic-metadata">

**Author:** [@JeroenKokhuis](https://discourse.nodered.org/u/JeroenKokhuis)\
**Replies:** 6\
**Last updated:** [9 August 2020 11:46 UTC](https://discourse.nodered.org/t/icons-not-showing/31310 "2020-08-09T11:46:58Z")

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Hello, I'm just starting with node red and I have a question. This is my flow: \[{"id":"aebc50d6.7a096","type":"exec","z":"6a2785b5.687a8c","command":"curl -v --cookie \\"RovaLc\_inwoners={\\\\\\"Id\\\\\\":901516,\\\\\\"ZipCode\\\\…

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## [How to trigger based on entity time in Node Red](https://discourse.nodered.org/t/how-to-trigger-based-on-entity-time-in-node-red/31010)

<div class="topic-metadata">

**Author:** [@Danielmurtagh](https://discourse.nodered.org/u/Danielmurtagh)\
**Replies:** 5\
**Last updated:** [9 August 2020 04:37 UTC](https://discourse.nodered.org/t/how-to-trigger-based-on-entity-time-in-node-red/31010 "2020-08-09T04:37:56Z")

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Hi All, This might be a simple question but I am really struggling to find the right search terms to find an answer, so I am hoping someone can point me in the right direction. I am new to both Home Assistant and Node …

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## [iAqualink for Pool Equipment](https://discourse.nodered.org/t/iaqualink-for-pool-equipment/29689)

<div class="topic-metadata">

**Author:** [@Tico](https://discourse.nodered.org/u/Tico)\
**Replies:** 7\
**Last updated:** [9 August 2020 03:12 UTC](https://discourse.nodered.org/t/iaqualink-for-pool-equipment/29689 "2020-08-09T03:12:29Z")

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BACKGROUND iAqualink is a service created for connecting Zodiac/Fluidra pool equipment to a cloud-based service for monitoring and control. There are apps for iOS and Android but no open-API for 3rd party control. Some…

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## [Wait until Node - Bug? Timeout definition](https://discourse.nodered.org/t/wait-until-node-bug-timeout-definition/31289)

<div class="topic-metadata">

**Author:** [@ThisisIO](https://discourse.nodered.org/u/ThisisIO)\
**Replies:** 10\
**Last updated:** [8 August 2020 15:34 UTC](https://discourse.nodered.org/t/wait-until-node-bug-timeout-definition/31289 "2020-08-08T15:34:24Z")

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Hello, i'm trying to put the custom timeout in Wait until Node. In best way i would like to out there a msg.data.timeout or somtrhing like this. But it do not work. I have read manual and tried to do this way. …

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## [MIDI in/out node set will not install with Palette Manager](https://discourse.nodered.org/t/midi-in-out-node-set-will-not-install-with-palette-manager/31312)

<div class="topic-metadata">

**Author:** [@RudiWiedemann](https://discourse.nodered.org/u/RudiWiedemann)\
**Replies:** 2\
**Last updated:** [8 August 2020 15:09 UTC](https://discourse.nodered.org/t/midi-in-out-node-set-will-not-install-with-palette-manager/31312 "2020-08-08T15:09:08Z")

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I keep getting a "failed to install" error when trying to install this set of 2 nodes from the Palette Manager. Is there a way to do this directly from a command line???

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## [Play Sound from USB Microphone](https://discourse.nodered.org/t/play-sound-from-usb-microphone/2551)

<div class="topic-metadata">

**Author:** [@GChapo](https://discourse.nodered.org/u/GChapo)\
**Replies:** 61\
**Last updated:** [8 August 2020 12:48 UTC](https://discourse.nodered.org/t/play-sound-from-usb-microphone/2551 "2020-08-08T12:48:54Z")

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Hello, Can anybody tell me if it's possible to play the sound received from a USB microphone attached to a Raspberry PI and play it through the Dashboard UI? I have tried several microphone and play sound node combinat…

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## [How to count classes in an array to represent them in a Dashborad](https://discourse.nodered.org/t/how-to-count-classes-in-an-array-to-represent-them-in-a-dashborad/31253)

<div class="topic-metadata">

**Author:** [@CesarLeiton](https://discourse.nodered.org/u/CesarLeiton)\
**Replies:** 9\
**Last updated:** [8 August 2020 11:17 UTC](https://discourse.nodered.org/t/how-to-count-classes-in-an-array-to-represent-them-in-a-dashborad/31253 "2020-08-08T11:17:00Z")

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Hello, I have this flow and I would like to count the number of persons in each image. For each object where class ="person", I would like to count 1. Afterwards I would like to use it for a dashboard to see it in …

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## [MySQL query for a range of dates](https://discourse.nodered.org/t/mysql-query-for-a-range-of-dates/31269)

<div class="topic-metadata">

**Author:** [@kumarsemal](https://discourse.nodered.org/u/kumarsemal)\
**Replies:** 7\
**Last updated:** [8 August 2020 09:51 UTC](https://discourse.nodered.org/t/mysql-query-for-a-range-of-dates/31269 "2020-08-08T09:51:51Z")

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Hello Sir, I stuck in a mysql query. I want to pick two dates and want to display the data in tabular form on dashboard after fetching data from database. I ran the query in mysql workbench and it was successfull. But, …

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## [Picking config nodes in subflow instance properties](https://discourse.nodered.org/t/picking-config-nodes-in-subflow-instance-properties/29913)

<div class="topic-metadata">

**Author:** [@alexk111](https://discourse.nodered.org/u/alexk111)\
**Replies:** 0\
**Last updated:** [11 July 2020 19:42 UTC](https://discourse.nodered.org/t/picking-config-nodes-in-subflow-instance-properties/29913 "2020-07-11T19:42:44Z")

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When a subflow has nodes depending on configuration nodes it would be really helpful to be able to pick them using subflow instance properties. Example: A subflow does something using a service api client node. A token a…

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## [Why one of many SQL nodes seems to timeout and disconnect?](https://discourse.nodered.org/t/why-one-of-many-sql-nodes-seems-to-timeout-and-disconnect/31298)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 0\
**Last updated:** [8 August 2020 02:31 UTC](https://discourse.nodered.org/t/why-one-of-many-sql-nodes-seems-to-timeout-and-disconnect/31298 "2020-08-08T02:31:12Z")

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Anyone happen to know why one of many SQL nodes seems to disconnect when others in same flow do not? This is completely cosmetic, when the automated flow runs, the connection status changes to OK, the query works, etc. …

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## [How to pass variables to the MSSQL-Node?](https://discourse.nodered.org/t/how-to-pass-variables-to-the-mssql-node/19495)

<div class="topic-metadata">

**Author:** [@Golonder](https://discourse.nodered.org/u/Golonder)\
**Replies:** 3\
**Last updated:** [8 August 2020 02:11 UTC](https://discourse.nodered.org/t/how-to-pass-variables-to-the-mssql-node/19495 "2020-08-08T02:11:47Z")

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Hi, I would like to insert several values into my MSSQL-Database using the MSSQL-Node. Unfortunately it does not seem to work the way it is described. I prepare an object with two variables: var a = {}; a.SQL\_Paramet…

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## [Add linefeed to begin of string](https://discourse.nodered.org/t/add-linefeed-to-begin-of-string/31288)

<div class="topic-metadata">

**Author:** [@warnert](https://discourse.nodered.org/u/warnert)\
**Replies:** 2\
**Last updated:** [7 August 2020 21:48 UTC](https://discourse.nodered.org/t/add-linefeed-to-begin-of-string/31288 "2020-08-07T21:48:45Z")

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Hello, I have a display connected to a serial line. That display clears its screen if it receives a linefeed. (I wrote the code myself, it is a ATTiny2313 with a 2x16 LCD screen attached and a RS232 driver/reciever chip…

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## [Compare 2 numbers for cpu fan pwm](https://discourse.nodered.org/t/compare-2-numbers-for-cpu-fan-pwm/31281)

<div class="topic-metadata">

**Author:** [@noob1505](https://discourse.nodered.org/u/noob1505)\
**Replies:** 6\
**Last updated:** [7 August 2020 20:59 UTC](https://discourse.nodered.org/t/compare-2-numbers-for-cpu-fan-pwm/31281 "2020-08-07T20:59:09Z")

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I am a Node Red noob. but learning. I want to make a fan pwm control. which the fan controls by pwm depending on the difference between measured temperature and setpoint. I can't get the function right. what am i doing…

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## [Node red search bar redirect bug](https://discourse.nodered.org/t/node-red-search-bar-redirect-bug/31280)

<div class="topic-metadata">

**Author:** [@ecrode](https://discourse.nodered.org/u/ecrode)\
**Replies:** 4\
**Last updated:** [7 August 2020 18:32 UTC](https://discourse.nodered.org/t/node-red-search-bar-redirect-bug/31280 "2020-08-07T18:32:28Z")

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Expected behavior: Upon loading node red, attempt to use any of the search bars, such as "Search flows" under deploy button. After typing in the query and pressing enter results should be shown. Actual behavior: Upon pr…

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## [Where can you find details on Dashboard Item Properties and how to use them?](https://discourse.nodered.org/t/where-can-you-find-details-on-dashboard-item-properties-and-how-to-use-them/31231)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 2\
**Last updated:** [7 August 2020 18:28 UTC](https://discourse.nodered.org/t/where-can-you-find-details-on-dashboard-item-properties-and-how-to-use-them/31231 "2020-08-07T18:28:09Z")

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Where is a comprehensive list of all/any of the, lets say for now, "Button" properties. I'd like to be able to find these for programming the Dashboard and controlling the user experience programmatically. I'm looking…

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## [Local testing setup guide for node-red development](https://discourse.nodered.org/t/local-testing-setup-guide-for-node-red-development/31244)

<div class="topic-metadata">

**Author:** [@rorysavage77](https://discourse.nodered.org/u/rorysavage77)\
**Replies:** 3\
**Last updated:** [7 August 2020 18:19 UTC](https://discourse.nodered.org/t/local-testing-setup-guide-for-node-red-development/31244 "2020-08-07T18:19:23Z")

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Greetings- Is there a guide or set of procedures available for setting your local development environment using the unit test supplied in the node-red core project? I see that the unit tests use grunt, and istanbul, h…

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## [How to flash a LED?](https://discourse.nodered.org/t/how-to-flash-a-led/18462)

<div class="topic-metadata">

**Author:** [@robbe](https://discourse.nodered.org/u/robbe)\
**Replies:** 6\
**Last updated:** [7 August 2020 18:09 UTC](https://discourse.nodered.org/t/how-to-flash-a-led/18462 "2020-08-07T18:09:02Z")

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Does someone now how i can flash my ligt on 1hz. I want to do it in a function. this is what i have for color, now i want to flash it on 1hz??

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## [Web page to set Wifi Settings](https://discourse.nodered.org/t/web-page-to-set-wifi-settings/31272)

<div class="topic-metadata">

**Author:** [@mikewoodld](https://discourse.nodered.org/u/mikewoodld)\
**Replies:** 7\
**Last updated:** [7 August 2020 17:13 UTC](https://discourse.nodered.org/t/web-page-to-set-wifi-settings/31272 "2020-08-07T17:13:26Z")

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I've done a decent amount of research on this but haven't quite found exactly what I'm looking for yet. I'll preface by saying that the first half of this question is more of a pi-specific question and not necessarily ju…

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## [Return IP from multiple NICs](https://discourse.nodered.org/t/return-ip-from-multiple-nics/31270)

<div class="topic-metadata">

**Author:** [@mikewoodld](https://discourse.nodered.org/u/mikewoodld)\
**Replies:** 9\
**Last updated:** [7 August 2020 17:19 UTC](https://discourse.nodered.org/t/return-ip-from-multiple-nics/31270 "2020-08-07T17:19:13Z")

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I'm working on a solution in NodeRED where a Pi will be using Wifi for the internet and its ethernet port for a closed LAN. I'd like to be able to retrieve the current machine's IP address for both NICs in NodeRED. I ca…

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## [Different Set of Flows at Each Reboot](https://discourse.nodered.org/t/different-set-of-flows-at-each-reboot/31277)

<div class="topic-metadata">

**Author:** [@stokes776](https://discourse.nodered.org/u/stokes776)\
**Replies:** 3\
**Last updated:** [7 August 2020 15:43 UTC](https://discourse.nodered.org/t/different-set-of-flows-at-each-reboot/31277 "2020-08-07T15:43:41Z")

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Hello, Looking for a bit of guidance here. I have an Ubuntu server running Node-Red. Each time I reboot it, I seem to randomly get one or the other, set of Flows. For example, before reboot I have the following flows: …

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## [Dashboard dropdown bug](https://discourse.nodered.org/t/dashboard-dropdown-bug/31062)

<div class="topic-metadata">

**Author:** [@ryeger](https://discourse.nodered.org/u/ryeger)\
**Replies:** 9\
**Last updated:** [7 August 2020 15:02 UTC](https://discourse.nodered.org/t/dashboard-dropdown-bug/31062 "2020-08-07T15:02:05Z")

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Hi, Using latest node red 1.1.2 with dashboard 2.23.0 I'm using the multiple selection feature - i.e. inputting to the node a list of options (msg.options). Sometimes when I select one or more values - the msg.payload…

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## [Import psycopg2 error when running python node](https://discourse.nodered.org/t/import-psycopg2-error-when-running-python-node/10221)

<div class="topic-metadata">

**Author:** [@prasad.dp5](https://discourse.nodered.org/u/prasad.dp5)\
**Replies:** 13\
**Last updated:** [7 August 2020 13:33 UTC](https://discourse.nodered.org/t/import-psycopg2-error-when-running-python-node/10221 "2020-08-07T13:33:27Z")

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I am trying to execute python script which invokes postgress database connection on a remote machine and I see following error, though the psycopg2 package is installed as part of python packages. I have installed "node…

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## [Phoscon conbee2 stick & Tradfri bulb](https://discourse.nodered.org/t/phoscon-conbee2-stick-tradfri-bulb/31257)

<div class="topic-metadata">

**Author:** [@4fc8042246ffd6745bb8](https://discourse.nodered.org/u/4fc8042246ffd6745bb8)\
**Replies:** 1\
**Last updated:** [7 August 2020 13:08 UTC](https://discourse.nodered.org/t/phoscon-conbee2-stick-tradfri-bulb/31257 "2020-08-07T13:08:09Z")

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Hello, i am currently testing the conbee2 stick from phoscon to be able to use it in nodered and have problems with the colour settings of the tradfri bulbs. Current status: Aquara sensors from Xiaomi (switch, motion d…

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## [Issue installing Node-RED with Homebridge](https://discourse.nodered.org/t/issue-installing-node-red-with-homebridge/31259)

<div class="topic-metadata">

**Author:** [@shaunreinson](https://discourse.nodered.org/u/shaunreinson)\
**Replies:** 23\
**Last updated:** [7 August 2020 11:01 UTC](https://discourse.nodered.org/t/issue-installing-node-red-with-homebridge/31259 "2020-08-07T11:01:10Z")

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## [Node Status truncated?](https://discourse.nodered.org/t/node-status-truncated/31201)

<div class="topic-metadata">

**Author:** [@T0T4R4](https://discourse.nodered.org/u/T0T4R4)\
**Replies:** 7\
**Last updated:** [7 August 2020 10:24 UTC](https://discourse.nodered.org/t/node-status-truncated/31201 "2020-08-07T10:24:25Z")

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Hi guys, I am using the status to report messages from nested subflows to the dashboard layer and was surprised to see that the status text were truncated on the front end : Notice the contents of the tag below : a…

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