# Latest

**URL:** https://discourse.nodered.org/latest.md?page=873

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

**Page:** 874

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## [Mysql - "Pool closed" error](https://discourse.nodered.org/t/mysql-pool-closed-error/41168)

<div class="topic-metadata">

**Author:** [@stefandersen](https://discourse.nodered.org/u/stefandersen)\
**Replies:** 1\
**Last updated:** [1 March 2021 12:13 UTC](https://discourse.nodered.org/t/mysql-pool-closed-error/41168 "2021-03-01T12:13:33Z")

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I have a Node RED app running on IBM cloud and are using the “node-red-node-mysql” to make queries to a MySql server running on a Windows Server VM in Azure cloud. For long periods of time it works fine, but then at irre…

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## [Getting error while running with custom settings.js file](https://discourse.nodered.org/t/getting-error-while-running-with-custom-settings-js-file/41606)

<div class="topic-metadata">

**Author:** [@Sudthakur](https://discourse.nodered.org/u/Sudthakur)\
**Replies:** 11\
**Last updated:** [1 March 2021 11:54 UTC](https://discourse.nodered.org/t/getting-error-while-running-with-custom-settings-js-file/41606 "2021-03-01T11:54:35Z")

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Hello, I am facing issue with the setting.js file. I cloned a project from git. when i am running node-red server with "node-red" command it is automatically picking up default settings.js file from ~\\Users\\thakusu.node…

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## [Package my node.-red application for deployment in an offline environment](https://discourse.nodered.org/t/package-my-node-red-application-for-deployment-in-an-offline-environment/41669)

<div class="topic-metadata">

**Author:** [@violon77](https://discourse.nodered.org/u/violon77)\
**Replies:** 3\
**Last updated:** [1 March 2021 11:27 UTC](https://discourse.nodered.org/t/package-my-node-red-application-for-deployment-in-an-offline-environment/41669 "2021-03-01T11:27:41Z")

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Hello how to package my node.-red application for deployment in an offline environment or in apache server. thx

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## [Node Red open New terminal](https://discourse.nodered.org/t/node-red-open-new-terminal/41795)

<div class="topic-metadata">

**Author:** [@Tods09](https://discourse.nodered.org/u/Tods09)\
**Replies:** 1\
**Last updated:** [1 March 2021 11:27 UTC](https://discourse.nodered.org/t/node-red-open-new-terminal/41795 "2021-03-01T11:27:06Z")

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Hello. I am trying to open a terminal running a exec node. With a ui\_button I inject a timestamp in exec node in order to open The terminal. In exec node I write command : "gnome-terminal", and when I run exec node it …

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## [Troubleshooting flow that partially stops working](https://discourse.nodered.org/t/troubleshooting-flow-that-partially-stops-working/13961)

<div class="topic-metadata">

**Author:** [@jeff65](https://discourse.nodered.org/u/jeff65)\
**Replies:** 0\
**Last updated:** [3 August 2019 10:59 UTC](https://discourse.nodered.org/t/troubleshooting-flow-that-partially-stops-working/13961 "2019-08-03T10:59:29Z")

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I am having an issue where the Telegram receiver for my chat stops working after some period of time. Node red runs on an Ubuntu 17.04 VM The receiver works and the flow responds to messages sent to the chat after rebo…

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## [Button node bug report. (Look at bottom)](https://discourse.nodered.org/t/button-node-bug-report-look-at-bottom/41741)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 31\
**Last updated:** [1 March 2021 09:49 UTC](https://discourse.nodered.org/t/button-node-bug-report-look-at-bottom/41741 "2021-03-01T09:49:13Z")

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This was working. Not too old version of NR. \[{"id":"5dcb15fb.24d17c","type":"inject","z":"39ea4ac5.b46c1e","name":"Inject","repeat":"","crontab":"","once":true,"onceDelay":"3","topic":"","payload":"","payloadType":"st…

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## [\[HELP wanted\] A Linear Level Indicator](https://discourse.nodered.org/t/help-wanted-a-linear-level-indicator/9276)

<div class="topic-metadata">

**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 47\
**Last updated:** [1 March 2021 09:16 UTC](https://discourse.nodered.org/t/help-wanted-a-linear-level-indicator/9276 "2021-03-01T09:16:58Z")

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As for follow up of thread https://discourse.nodered.org/t/linear-gauge-as-another-gauge-option/821 I actually started to do it. First version (early beta) - horizontal only. Takes one unit height. Reasonably configurab…

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## [Problem to display serial in data to gauge](https://discourse.nodered.org/t/problem-to-display-serial-in-data-to-gauge/41535)

<div class="topic-metadata">

**Author:** [@woodyisback](https://discourse.nodered.org/u/woodyisback)\
**Replies:** 10\
**Last updated:** [1 March 2021 08:14 UTC](https://discourse.nodered.org/t/problem-to-display-serial-in-data-to-gauge/41535 "2021-03-01T08:14:33Z")

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Hi good evening , im currently having a problem with my project. my project is to display the humidity and temperature value in gauge node by using a serial in. but when i connect the serial port it didnt show the value…

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## [S7 in node problem](https://discourse.nodered.org/t/s7-in-node-problem/41785)

<div class="topic-metadata">

**Author:** [@lee1](https://discourse.nodered.org/u/lee1)\
**Replies:** 0\
**Last updated:** [1 March 2021 07:43 UTC](https://discourse.nodered.org/t/s7-in-node-problem/41785 "2021-03-01T07:43:28Z")

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Hi , i am using S7 in node connect to S7-300 PLC, the node show status on line , but in the debugging area, showing failure(bad values). have you experienced this problem?

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## [Insert variable into a change node](https://discourse.nodered.org/t/insert-variable-into-a-change-node/41779)

<div class="topic-metadata">

**Author:** [@nappyjim](https://discourse.nodered.org/u/nappyjim)\
**Replies:** 2\
**Last updated:** [1 March 2021 07:41 UTC](https://discourse.nodered.org/t/insert-variable-into-a-change-node/41779 "2021-03-01T07:41:00Z")

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This is Home Assistant related, but I believe someone here may be able to help. I found similar question on here, but it dealth with a http response. \[{"id":"9d4d90de.91179","type":"tab","label":"Flow 5","disabled":fa…

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## [Node-red-contrib-xbee wont install](https://discourse.nodered.org/t/node-red-contrib-xbee-wont-install/41766)

<div class="topic-metadata">

**Author:** [@Rezcue](https://discourse.nodered.org/u/Rezcue)\
**Replies:** 13\
**Last updated:** [1 March 2021 07:40 UTC](https://discourse.nodered.org/t/node-red-contrib-xbee-wont-install/41766 "2021-03-01T07:40:01Z")

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Im trying to install node-red-contrib-xbee in Node-Red on Rasbian. Get this error.... npm 2021-02-28T20:02:52.971Z \[err\] ERR! code 1 2021-02-28T20:02:52.971Z \[err\] npm ERR! path /home/pi/.node-red/node\_modules/node-re…

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## [XBee collect data](https://discourse.nodered.org/t/xbee-collect-data/38706)

<div class="topic-metadata">

**Author:** [@Martin10](https://discourse.nodered.org/u/Martin10)\
**Replies:** 6\
**Last updated:** [1 March 2021 07:16 UTC](https://discourse.nodered.org/t/xbee-collect-data/38706 "2021-03-01T07:16:32Z")

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Hi, i use XBee modules with breadboard on which i can connect sensors and i want to collect this data via Node-red. I saw this video, which use XBee with NR, but don't understand how to collect sensor data from the XBee.…

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## [Sensor Values in Function Node](https://discourse.nodered.org/t/sensor-values-in-function-node/41748)

<div class="topic-metadata">

**Author:** [@wdwithmp](https://discourse.nodered.org/u/wdwithmp)\
**Replies:** 4\
**Last updated:** [1 March 2021 06:14 UTC](https://discourse.nodered.org/t/sensor-values-in-function-node/41748 "2021-03-01T06:14:25Z")

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Apologies in advance for the question, new to node red. I am trying to use a function node to create a string that I can then pass as a payload to a call service node that will be used for tts when i use the below is s…

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## [List of all error codes?](https://discourse.nodered.org/t/list-of-all-error-codes/41776)

<div class="topic-metadata">

**Author:** [@daxliniere](https://discourse.nodered.org/u/daxliniere)\
**Replies:** 1\
**Last updated:** [1 March 2021 02:12 UTC](https://discourse.nodered.org/t/list-of-all-error-codes/41776 "2021-03-01T02:12:43Z")

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Hey gang, I've been getting error 1, 100, and 127, but I can't seem to find an official list of what all of the error codes mean (and what would be causing them/how to solve). Does this document exist somewhere that I'…

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## [Potential bug with shortcuts](https://discourse.nodered.org/t/potential-bug-with-shortcuts/41733)

<div class="topic-metadata">

**Author:** [@daxliniere](https://discourse.nodered.org/u/daxliniere)\
**Replies:** 5\
**Last updated:** [28 February 2021 22:37 UTC](https://discourse.nodered.org/t/potential-bug-with-shortcuts/41733 "2021-02-28T22:37:07Z")

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Hey team, I tried to bind SHIFT+ and SHIFT- to Enable/Disable Selected Nodes, but only Disable seems to work. I tried binding Enable to other keys ( just + and \] ), but that didn't work either. Can someone confirm thi…

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## [Replicate UI controls](https://discourse.nodered.org/t/replicate-ui-controls/41761)

<div class="topic-metadata">

**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 3\
**Last updated:** [28 February 2021 20:20 UTC](https://discourse.nodered.org/t/replicate-ui-controls/41761 "2021-02-28T20:20:54Z")

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This is just a screenshot of a control I need in the dashboard: The problem is that I have 27 devices which need this control on the dashboard. Isn't there any other way but to copy and paste 27 times this flow on the…

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## [How to create a BAR CHART with more than one figures?](https://discourse.nodered.org/t/how-to-create-a-bar-chart-with-more-than-one-figures/40626)

<div class="topic-metadata">

**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 3\
**Last updated:** [28 February 2021 20:05 UTC](https://discourse.nodered.org/t/how-to-create-a-bar-chart-with-more-than-one-figures/40626 "2021-02-28T20:05:18Z")

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Hi, I try to create a Bar Chart with two figures. Value1 and Value2. Showing two figures for each day (power IN and power OUT) Right I tried to do it like that: var msg1 = {}; var msg2 = {}; msg1.topic = msg.payload.…

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## [\[Announce\] node-red-contrib-enocean](https://discourse.nodered.org/t/announce-node-red-contrib-enocean/10135)

<div class="topic-metadata">

**Author:** [@Holger-Will](https://discourse.nodered.org/u/Holger-Will)\
**Replies:** 23\
**Last updated:** [28 February 2021 19:55 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-enocean/10135 "2021-02-28T19:55:58Z")

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i finally found the time to work on the node-red-contrib-enocean project. It's coming along nicely. Features implemented: listen to and decode incoming telegrams. most EEPs should work out of the box. automatic and ma…

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## [Uncaught exception from mysql nodes](https://discourse.nodered.org/t/uncaught-exception-from-mysql-nodes/41732)

<div class="topic-metadata">

**Author:** [@mac5562](https://discourse.nodered.org/u/mac5562)\
**Replies:** 18\
**Last updated:** [28 February 2021 19:02 UTC](https://discourse.nodered.org/t/uncaught-exception-from-mysql-nodes/41732 "2021-02-28T19:02:20Z")

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Hi ! Is there anyone, who has some experience with the mysql node? My problem the whole node-red randomly shutting down thanks to a uncaught exception, which caused by the mysql node. Here it is a screenshoot, about w…

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## [Decodiing WS2032 Weather Station](https://discourse.nodered.org/t/decodiing-ws2032-weather-station/41763)

<div class="topic-metadata">

**Author:** [@mizer666](https://discourse.nodered.org/u/mizer666)\
**Replies:** 0\
**Last updated:** [28 February 2021 18:24 UTC](https://discourse.nodered.org/t/decodiing-ws2032-weather-station/41763 "2021-02-28T18:24:37Z")

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Hi All, I'm trying to decode WS2032 weather atation data directly in node red. For initiall setup i've used rtl-sdr together with rtl\_433 software and it works like a charm. What i want to do now is to have a simple 4…

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## [Cookbook Recipes and concrete how to's as a Wiki?](https://discourse.nodered.org/t/cookbook-recipes-and-concrete-how-tos-as-a-wiki/41753)

<div class="topic-metadata">

**Author:** [@FxFx](https://discourse.nodered.org/u/FxFx)\
**Replies:** 4\
**Last updated:** [28 February 2021 14:25 UTC](https://discourse.nodered.org/t/cookbook-recipes-and-concrete-how-tos-as-a-wiki/41753 "2021-02-28T14:25:18Z")

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Hi there! I’am very (very) new to Node Red. At the moment I use fhem for home- and other automation purposes (since 2016). I’ am looking for another software to integrate my home stuff (Radiators, Light, Multimedia, AMP…

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## [Help Using Other Library Js](https://discourse.nodered.org/t/help-using-other-library-js/41736)

<div class="topic-metadata">

**Author:** [@mrizkywiguna](https://discourse.nodered.org/u/mrizkywiguna)\
**Replies:** 10\
**Last updated:** [28 February 2021 14:05 UTC](https://discourse.nodered.org/t/help-using-other-library-js/41736 "2021-02-28T14:05:45Z")

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Hi All, I've read some threads about adding library js, but didn't get work. I want to use library from this site: http://praytimes.org/manual and library is praytimes I've add to my function global And try to us…

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## [Node-red-contrib-graphs and historical flow](https://discourse.nodered.org/t/node-red-contrib-graphs-and-historical-flow/41458)

<div class="topic-metadata">

**Author:** [@vlturner](https://discourse.nodered.org/u/vlturner)\
**Replies:** 8\
**Last updated:** [28 February 2021 12:55 UTC](https://discourse.nodered.org/t/node-red-contrib-graphs-and-historical-flow/41458 "2021-02-28T12:55:48Z")

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I have the node-red-contrib-graphs working but it is a little kludgy. I want to direct the data to a file at the same time so that if it does refresh or the flows have to restart they pull back the historical data. Befor…

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## [Use variable as an index to udpate flow array object](https://discourse.nodered.org/t/use-variable-as-an-index-to-udpate-flow-array-object/41750)

<div class="topic-metadata">

**Author:** [@notnice](https://discourse.nodered.org/u/notnice)\
**Replies:** 2\
**Last updated:** [28 February 2021 11:10 UTC](https://discourse.nodered.org/t/use-variable-as-an-index-to-udpate-flow-array-object/41750 "2021-02-28T11:10:36Z")

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I have a flow array "apgroupSelection" and declare that in the 1st function (left) node context using: apgroupSelection = flow.get("apgroupSelection"); I go through a loop and push data into the array using: pgroupS…

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## [Dashboard tips. Let the ui\_text act as level gauge ... DIY gauge examples](https://discourse.nodered.org/t/dashboard-tips-let-the-ui-text-act-as-level-gauge-diy-gauge-examples/40878)

<div class="topic-metadata">

**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 3\
**Last updated:** [28 February 2021 10:48 UTC](https://discourse.nodered.org/t/dashboard-tips-let-the-ui-text-act-as-level-gauge-diy-gauge-examples/40878 "2021-02-28T10:48:17Z")

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A "poor-man" level gauge created with a few lines of jquery and css. \[{"id":"36bcc3c8.68771c","type":"ui\_template","z":"a05ff4cd.1ae7e8","group":"19f5ed07.08a453","name":"loll","order":12,"width":"1","height":"0","for…

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## [HTTP Request for Tensorflow COCO SSD](https://discourse.nodered.org/t/http-request-for-tensorflow-coco-ssd/41721)

<div class="topic-metadata">

**Author:** [@Gerry-it](https://discourse.nodered.org/u/Gerry-it)\
**Replies:** 14\
**Last updated:** [28 February 2021 08:36 UTC](https://discourse.nodered.org/t/http-request-for-tensorflow-coco-ssd/41721 "2021-02-28T08:36:29Z")

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Hello following different discussions here in this forum (very helpful) I was able to set up the object detection within the IP cam pictures getting from the HTTP request node. The RETURN of the HTTP request node is "a …

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## [Populate dropdown node help needed](https://discourse.nodered.org/t/populate-dropdown-node-help-needed/41725)

<div class="topic-metadata">

**Author:** [@Dave](https://discourse.nodered.org/u/Dave)\
**Replies:** 7\
**Last updated:** [28 February 2021 08:52 UTC](https://discourse.nodered.org/t/populate-dropdown-node-help-needed/41725 "2021-02-28T08:52:23Z")

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I want to populate the dashboard dropdown node with a list of whatever .jpg files are present in a folder which is located on a usb stick pugged into my pi, when I open the dropdown in the dashboard I want to be able to …

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## [Powershell Script execution not recieving data from included files](https://discourse.nodered.org/t/powershell-script-execution-not-recieving-data-from-included-files/41737)

<div class="topic-metadata">

**Author:** [@ozdeadmeat](https://discourse.nodered.org/u/ozdeadmeat)\
**Replies:** 1\
**Last updated:** [28 February 2021 03:05 UTC](https://discourse.nodered.org/t/powershell-script-execution-not-recieving-data-from-included-files/41737 "2021-02-28T03:05:17Z")

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I am trying to use Node red to execute a script with another script included within it. When I put the data into the one script file, it works as intended. When I call the external file with a . .\\file.ps1 include it doe…

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## [Help To Send Hex Modbus Command using TCP Port](https://discourse.nodered.org/t/help-to-send-hex-modbus-command-using-tcp-port/10046)

<div class="topic-metadata">

**Author:** [@mrizkywiguna](https://discourse.nodered.org/u/mrizkywiguna)\
**Replies:** 15\
**Last updated:** [28 February 2021 02:06 UTC](https://discourse.nodered.org/t/help-to-send-hex-modbus-command-using-tcp-port/10046 "2021-02-28T02:06:43Z")

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Hi All, I've want to send Modbus command using Hex on payload, this picture is screen shoot from Modbus Poll for test send and receive command. This is my flow, because I'm in beginning to start read modbus using RTU…

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## [Ui\_audio not working on iOS?](https://discourse.nodered.org/t/ui-audio-not-working-on-ios/41726)

<div class="topic-metadata">

**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 1\
**Last updated:** [27 February 2021 18:40 UTC](https://discourse.nodered.org/t/ui-audio-not-working-on-ios/41726 "2021-02-27T18:40:51Z")

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I have deployed an ui\_audio in my dashboard and it is working either on my Mac and on Android phone. Not working in iOS , neither with Chrome nor with Safari. Is it a known issue?

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