# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=130

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

**Page:** 131

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## [AND - how it works?](https://discourse.nodered.org/t/and-how-it-works/85663)

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**Author:** [@4711Austria](https://discourse.nodered.org/u/4711Austria)\
**Replies:** 35\
**Last updated:** [20 February 2024 20:00 UTC](https://discourse.nodered.org/t/and-how-it-works/85663 "2024-02-20T20:00:40Z")

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Hello, starting, would need some infos pls! \[ { "id": "092520097a3dcc4c", "type": "victron-input-system", "z": "7978e0ce1be8e6fb", "service": "com.victronenergy.system/0", …

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## [Node red if function for data selection](https://discourse.nodered.org/t/node-red-if-function-for-data-selection/85688)

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**Author:** [@mitchysho](https://discourse.nodered.org/u/mitchysho)\
**Replies:** 4\
**Last updated:** [20 February 2024 12:45 UTC](https://discourse.nodered.org/t/node-red-if-function-for-data-selection/85688 "2024-02-20T12:45:05Z")

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Hi, This is my complete message from my gateway 2/20/2024, 10:29:13 AMnode: allkbeacon/publish/282C0221FD0B : msg.payload : Object object msg: "advData" loc: object gmac: "282C0221FD0B" obj: array\[4\] 0: object 1…

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## [Inserting Data into SQL database using OPCUA subscription mode](https://discourse.nodered.org/t/inserting-data-into-sql-database-using-opcua-subscription-mode/85691)

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**Author:** [@shubhamnodered](https://discourse.nodered.org/u/shubhamnodered)\
**Replies:** 0\
**Last updated:** [20 February 2024 08:32 UTC](https://discourse.nodered.org/t/inserting-data-into-sql-database-using-opcua-subscription-mode/85691 "2024-02-20T08:32:31Z")

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Hi Guys! With OPCUA read node and MySQL node, i can inject the PLC value into SQL database. And table looks as below. What i like to know that with OPCUA subscribe node, is it possible to feed data into SQL database …

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## [Exec node fails with error:127 ... any ideas why?](https://discourse.nodered.org/t/exec-node-fails-with-error-127-any-ideas-why/85675)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 6\
**Last updated:** [19 February 2024 18:21 UTC](https://discourse.nodered.org/t/exec-node-fails-with-error-127-any-ideas-why/85675 "2024-02-19T18:21:34Z")

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Hi, I am running Node-RED in Docker. I am sending text to the Exec node to enable speech output. Text is "Speaker\_in\_PC\_Room" and the command is espeak -s 130 -k3 But I get the errors on the image below. Is it that …

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## [How do you increase the payload array length in the debug console?](https://discourse.nodered.org/t/how-do-you-increase-the-payload-array-length-in-the-debug-console/85674)

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**Author:** [@malee](https://discourse.nodered.org/u/malee)\
**Replies:** 3\
**Last updated:** [19 February 2024 17:30 UTC](https://discourse.nodered.org/t/how-do-you-increase-the-payload-array-length-in-the-debug-console/85674 "2024-02-19T17:30:37Z")

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I am noticing that the array length in the debug console is 999 items. Apparently this can be increased by changing the settings, how do you do this. Also is it possible to increase the string length of each array item s…

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## [Array - last value](https://discourse.nodered.org/t/array-last-value/85653)

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**Author:** [@Moach2000](https://discourse.nodered.org/u/Moach2000)\
**Replies:** 3\
**Last updated:** [19 February 2024 16:29 UTC](https://discourse.nodered.org/t/array-last-value/85653 "2024-02-19T16:29:23Z")

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Hi! I get some data via API (battery status) into my Node-Red. The data has an array - up to 99 arrays and each of this array contains 4 values \[0\]...\[3\]. I want to get the value from the latest array \[80\] out of 80 or…

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## [Node icons not showing after version 3.1.3](https://discourse.nodered.org/t/node-icons-not-showing-after-version-3-1-3/85655)

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**Author:** [@crxporter](https://discourse.nodered.org/u/crxporter)\
**Replies:** 6\
**Last updated:** [19 February 2024 16:09 UTC](https://discourse.nodered.org/t/node-icons-not-showing-after-version-3-1-3/85655 "2024-02-19T16:09:36Z")

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I've just updated to version 3.1.5 and noticed that various node icons are no longer appearing in the editor. For example the Aedes MQTT broker node is now not showing any icon in the editor view - but it does show the i…

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## [Node-red-contrib-spark](https://discourse.nodered.org/t/node-red-contrib-spark/85555)

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**Author:** [@RafaBravo](https://discourse.nodered.org/u/RafaBravo)\
**Replies:** 4\
**Last updated:** [19 February 2024 11:00 UTC](https://discourse.nodered.org/t/node-red-contrib-spark/85555 "2024-02-19T11:00:38Z")

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I try to work with node-red-contrib-spark not communicate with cisco webex team. but I get a 400 request error. I get a temporary beare token from the web https://developer.webex.com/docs/api/v1/messages/create-a-message …

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## [Johnny five does not display analog signals of Beaglebone black](https://discourse.nodered.org/t/johnny-five-does-not-display-analog-signals-of-beaglebone-black/85529)

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**Author:** [@Pitufo](https://discourse.nodered.org/u/Pitufo)\
**Replies:** 2\
**Last updated:** [19 February 2024 00:06 UTC](https://discourse.nodered.org/t/johnny-five-does-not-display-analog-signals-of-beaglebone-black/85529 "2024-02-19T00:06:13Z")

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Hello again I had installed the johnny five node on my node-red , but I noticed that it only gives me access to the digital inputs and outputs and not to the analog inputs , which are the ones I am most interested in. U…

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## [Fatal error node red](https://discourse.nodered.org/t/fatal-error-node-red/85651)

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**Author:** [@telescopio](https://discourse.nodered.org/u/telescopio)\
**Replies:** 1\
**Last updated:** [18 February 2024 20:18 UTC](https://discourse.nodered.org/t/fatal-error-node-red/85651 "2024-02-18T20:18:09Z")

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Node red stop running and show this error when I was connecting to a database. 18 Feb 15:56:44 - \[red\] Uncaught Exception: 18 Feb 15:56:44 - \[error\] error: database "obs" does not exist at C:\\Users\\Casa.node-red\\node\_…

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## [Node-Red to InfluxDB](https://discourse.nodered.org/t/node-red-to-influxdb/85639)

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**Author:** [@jonas123](https://discourse.nodered.org/u/jonas123)\
**Replies:** 3\
**Last updated:** [18 February 2024 15:39 UTC](https://discourse.nodered.org/t/node-red-to-influxdb/85639 "2024-02-18T15:39:30Z")

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Hello all, I'm relatively new in programming and microcontrollers. I hope to find her some help for my project. I want to read out a BME280 sensor (Temperature, humidity, pressure) with an ESP32. The ESP32 is serial con…

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## [Rpi-gpio out node not performing](https://discourse.nodered.org/t/rpi-gpio-out-node-not-performing/85617)

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**Author:** [@luemar](https://discourse.nodered.org/u/luemar)\
**Replies:** 20\
**Last updated:** [18 February 2024 13:48 UTC](https://discourse.nodered.org/t/rpi-gpio-out-node-not-performing/85617 "2024-02-18T13:48:26Z")

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For controlling an LED with Node-RED I set up my flow according to the instructions in section 2.5. However, the box blow the rpi-gpio out node indicates "not available". If I klick the injection nodes nothing happens. …

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## [A command line to show all versions running](https://discourse.nodered.org/t/a-command-line-to-show-all-versions-running/85636)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 5\
**Last updated:** [18 February 2024 10:32 UTC](https://discourse.nodered.org/t/a-command-line-to-show-all-versions-running/85636 "2024-02-18T10:32:01Z")

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Hi mates, may I please suggest to create a command line, for example node-red-version where is possible to show all important informations at the same time, thank you! uname -r node -v npm -v node-red --h

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## [Achieve a more stable flow](https://discourse.nodered.org/t/achieve-a-more-stable-flow/85624)

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**Author:** [@theralle](https://discourse.nodered.org/u/theralle)\
**Replies:** 14\
**Last updated:** [18 February 2024 10:26 UTC](https://discourse.nodered.org/t/achieve-a-more-stable-flow/85624 "2024-02-18T10:26:44Z")

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\[info\] Node-RED version: v3.1.5 \[info\] Node.js version: v16.20.2 I have a flow in Node-RED that utilizes the exec node to execute a command. The command is "node /opt/node-red/script/googlehtml.js". The flow tends to …

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## ['rbe' already registered by module node-red](https://discourse.nodered.org/t/rbe-already-registered-by-module-node-red/84847)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 6\
**Last updated:** [18 February 2024 10:15 UTC](https://discourse.nodered.org/t/rbe-already-registered-by-module-node-red/84847 "2024-02-18T10:15:04Z")

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Hi, on startup I have this warn, how can I remove it? Thanks \[warn\] \[node-red-node-rbe/rbe\] 'rbe' already registered by module node-red

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## [End time before start time](https://discourse.nodered.org/t/end-time-before-start-time/85634)

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**Author:** [@JJussi](https://discourse.nodered.org/u/JJussi)\
**Replies:** 1\
**Last updated:** [18 February 2024 07:41 UTC](https://discourse.nodered.org/t/end-time-before-start-time/85634 "2024-02-18T07:41:19Z")

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Hi! I noticed that NodeRed (at Home Assistant) cannot handle situations where the end time (sunrise) is before the start time (08:00). I have this action, that turns the light on at 08:00 in the morning (at the weekend…

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## [Can't change the right margin](https://discourse.nodered.org/t/cant-change-the-right-margin/85605)

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**Author:** [@Waz](https://discourse.nodered.org/u/Waz)\
**Replies:** 2\
**Last updated:** [17 February 2024 10:36 UTC](https://discourse.nodered.org/t/cant-change-the-right-margin/85605 "2024-02-17T10:36:52Z")

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Hi, I've tried setting the UI-Theme and direct class in the v-card with class="ma-3" and individually with "mr-3". I can't seem to inset the right margin. The ui-template is page scoped because I also can't adjust the p…

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## [Insert data from udp](https://discourse.nodered.org/t/insert-data-from-udp/85627)

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**Author:** [@telescopio](https://discourse.nodered.org/u/telescopio)\
**Replies:** 4\
**Last updated:** [18 February 2024 00:51 UTC](https://discourse.nodered.org/t/insert-data-from-udp/85627 "2024-02-18T00:51:13Z")

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HI I have this data coming from a MQTT connect to my weather station: dataGMTTime=2023/07/05 03:38:46 cwinfo=Serial: 2387, FW: 5.88 clouds=34.350000 temp=34.310000 wind=-1 gust=-1 rain=2450 lightmpsas=23.57 switch=0 sa…

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## [Sequence automation](https://discourse.nodered.org/t/sequence-automation/85626)

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**Author:** [@FAH2022](https://discourse.nodered.org/u/FAH2022)\
**Replies:** 1\
**Last updated:** [17 February 2024 21:54 UTC](https://discourse.nodered.org/t/sequence-automation/85626 "2024-02-17T21:54:47Z")

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Hi all, I am pretty new and still exploring NR automation approaches. Hope I am right here raising some noob questions? I want to realize the following light automation: If night (simple KNX Status) and light 2 is on …

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## [Tiggering xstate machine](https://discourse.nodered.org/t/tiggering-xstate-machine/85620)

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**Author:** [@Hogi](https://discourse.nodered.org/u/Hogi)\
**Replies:** 6\
**Last updated:** [17 February 2024 21:34 UTC](https://discourse.nodered.org/t/tiggering-xstate-machine/85620 "2024-02-17T21:34:42Z")

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Hi all I am new here (from Germany) and also new in using Node Red. I am looking for some support on xstate machine. I have implemented the states but I am failing triggering the transitions from outside. My transitio…

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## [How to change text color in node-red-node-ui-table](https://discourse.nodered.org/t/how-to-change-text-color-in-node-red-node-ui-table/85517)

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**Author:** [@RandyBryant](https://discourse.nodered.org/u/RandyBryant)\
**Replies:** 7\
**Last updated:** [17 February 2024 19:16 UTC](https://discourse.nodered.org/t/how-to-change-text-color-in-node-red-node-ui-table/85517 "2024-02-17T19:16:17Z")

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I can change the background color using: message.ui\_control = { tabulator: { rowFormatter: (function (row) { row.getElement().style.backgroundColor = 'red'; //row.getElement().style.c…

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## [Slow deployment on a different machine](https://discourse.nodered.org/t/slow-deployment-on-a-different-machine/85595)

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**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 8\
**Last updated:** [17 February 2024 15:58 UTC](https://discourse.nodered.org/t/slow-deployment-on-a-different-machine/85595 "2024-02-17T15:58:11Z")

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Today, I am working from home and on my company laptop. I have a bit of downtime and decided to do some work in NR. I still access it locally, with the same local IP (http://192.168.1.80/) as on my home computer. Deployi…

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## [Node-RED freezes while sqlite query](https://discourse.nodered.org/t/node-red-freezes-while-sqlite-query/84675)

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**Author:** [@mima232](https://discourse.nodered.org/u/mima232)\
**Replies:** 23\
**Last updated:** [17 February 2024 14:51 UTC](https://discourse.nodered.org/t/node-red-freezes-while-sqlite-query/84675 "2024-02-17T14:51:10Z")

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Hello, Im using the latest node-red-node-sqlite for querying my database. Unfortunately just realised, that the query totally blocks whole Node-RED ... which in some cases can take tens of seconds, even minutes. As the …

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## [Scheduler for different days](https://discourse.nodered.org/t/scheduler-for-different-days/85551)

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**Author:** [@sahar](https://discourse.nodered.org/u/sahar)\
**Replies:** 3\
**Last updated:** [17 February 2024 07:40 UTC](https://discourse.nodered.org/t/scheduler-for-different-days/85551 "2024-02-17T07:40:22Z")

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hi this is Sahar , i try preparing a dashboard for control some devices, for that i need an schedule program to chose any times at day for choose scenario of how working ,like next month at that day , at that time to t…

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## [Display on Gauge node, Tasmota sensor value](https://discourse.nodered.org/t/display-on-gauge-node-tasmota-sensor-value/85607)

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**Author:** [@x\_dadu](https://discourse.nodered.org/u/x_dadu)\
**Replies:** 4\
**Last updated:** [17 February 2024 07:16 UTC](https://discourse.nodered.org/t/display-on-gauge-node-tasmota-sensor-value/85607 "2024-02-17T07:16:57Z")

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Hi there I have install on some of my esp, those with DS18B20, Tasmota firmware. I try to send only temperature value to a gauge node, but it receiv all topic mesage, like: {"Time":"2024-02-17T07:56:39","DS18B20":{"Id"…

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## [How to use this Arduino code for Raspberry Pi via Node-Red?](https://discourse.nodered.org/t/how-to-use-this-arduino-code-for-raspberry-pi-via-node-red/85550)

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**Author:** [@KamalKenzu12](https://discourse.nodered.org/u/KamalKenzu12)\
**Replies:** 10\
**Last updated:** [17 February 2024 03:58 UTC](https://discourse.nodered.org/t/how-to-use-this-arduino-code-for-raspberry-pi-via-node-red/85550 "2024-02-17T03:58:28Z")

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Hello everyone, I am a new Node-Red user using a Raspberry Pi :smiley: Previously, I had purchased an anemometer sensor to measure air speed, here is the product: I bought one that supports arduino, and got the follo…

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## [Place image in a pdf automatically generated by node-red](https://discourse.nodered.org/t/place-image-in-a-pdf-automatically-generated-by-node-red/85134)

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**Author:** [@Erissin\_Industria4.0](https://discourse.nodered.org/u/Erissin_Industria4.0)\
**Replies:** 10\
**Last updated:** [16 February 2024 22:13 UTC](https://discourse.nodered.org/t/place-image-in-a-pdf-automatically-generated-by-node-red/85134 "2024-02-16T22:13:54Z")

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I'm trying to put an image of my dashboard into a PDF automatically clicking on inject, this image is generated by the "node-red-contrib-web-page-screenshot" but I'm not getting it, here's my flow \[{"id":"67c61941.053d…

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## [Influx Configuration Node - unexpected https:// protocol](https://discourse.nodered.org/t/influx-configuration-node-unexpected-https-protocol/85596)

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**Author:** [@ricm](https://discourse.nodered.org/u/ricm)\
**Replies:** 0\
**Last updated:** [16 February 2024 16:00 UTC](https://discourse.nodered.org/t/influx-configuration-node-unexpected-https-protocol/85596 "2024-02-16T16:00:16Z")

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Good afternoon, I'm having problems configuring the Influx Configuration Node (i.e., the Influx Server selected when setting up an InfluxDB In or InfluxDB Out Node). I'm using InfluxDB v1.8 Occasionally the protocol d…

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## [Getting data from Nodered to Weather Underground](https://discourse.nodered.org/t/getting-data-from-nodered-to-weather-underground/85594)

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**Author:** [@triphil](https://discourse.nodered.org/u/triphil)\
**Replies:** 0\
**Last updated:** [16 February 2024 14:50 UTC](https://discourse.nodered.org/t/getting-data-from-nodered-to-weather-underground/85594 "2024-02-16T14:50:47Z")

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I've managed over the last year or so to cobble togethera way of getting data from my nodered weather station via thingspeak to the Wunderground site but surely there must be an easy way for sending data directly from no…

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## [Mocking external API call in custom node with node-red-node-test-helper](https://discourse.nodered.org/t/mocking-external-api-call-in-custom-node-with-node-red-node-test-helper/85584)

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**Author:** [@Matty](https://discourse.nodered.org/u/Matty)\
**Replies:** 2\
**Last updated:** [16 February 2024 11:48 UTC](https://discourse.nodered.org/t/mocking-external-api-call-in-custom-node-with-node-red-node-test-helper/85584 "2024-02-16T11:48:30Z")

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Hi, I'm currently tackling the testing of my custom Node-RED node, which involves making an external asynchronous API request using Axios to fetch data. Once the data is retrieved, it's attached to the message payload. …

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