# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=596

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

**Page:** 597

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

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**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)

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

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**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)

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**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)

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**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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## [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)

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

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

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**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)

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**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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## [Logic nodes with multiple inputs?](https://discourse.nodered.org/t/logic-nodes-with-multiple-inputs/41692)

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**Author:** [@daxliniere](https://discourse.nodered.org/u/daxliniere)\
**Replies:** 7\
**Last updated:** [27 February 2021 17:13 UTC](https://discourse.nodered.org/t/logic-nodes-with-multiple-inputs/41692 "2021-02-27T17:13:59Z")

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I couldn't seem to find any logic gate nodes (AND/OR) that have multiple input pins. I feel like I have missed something, because I know that NR is extremely powerful and flexible, so I'm guessing there's a way to do so…

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## [Node-red-contrib-voice2json](https://discourse.nodered.org/t/node-red-contrib-voice2json/37925)

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**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 30\
**Last updated:** [27 February 2021 15:46 UTC](https://discourse.nodered.org/t/node-red-contrib-voice2json/37925 "2021-02-27T15:46:19Z")

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Hi, i tried to install this node on my rpi 3b with the latest node-red and the latest rpi os. I installed npm install johanneskropf/node-red-contrib-voice2json sudo apt install ./voice2json\_2.0\_armhf.deb tar -zxvf en-…

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## [Waiting for missing types to be registered: - onvif-config](https://discourse.nodered.org/t/waiting-for-missing-types-to-be-registered-onvif-config/41715)

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**Author:** [@essability](https://discourse.nodered.org/u/essability)\
**Replies:** 2\
**Last updated:** [27 February 2021 14:59 UTC](https://discourse.nodered.org/t/waiting-for-missing-types-to-be-registered-onvif-config/41715 "2021-02-27T14:59:19Z")

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Hello, I currently have a problem with my node-red application. Flows stopped due to missing node types. onvif-config Close 27 Feb 14:29:11 - \[info\] Waiting for missing types to be registered: 27 Feb 14:29:11 - \[in…

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## [Inject 20 times with 1 sec intervals](https://discourse.nodered.org/t/inject-20-times-with-1-sec-intervals/41714)

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**Author:** [@Benja](https://discourse.nodered.org/u/Benja)\
**Replies:** 8\
**Last updated:** [27 February 2021 14:34 UTC](https://discourse.nodered.org/t/inject-20-times-with-1-sec-intervals/41714 "2021-02-27T14:34:09Z")

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Is there a way to trigger an inject 20 times with 1 sec intervals?

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## [Subtract 2 functions](https://discourse.nodered.org/t/subtract-2-functions/41711)

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**Author:** [@Bos1982](https://discourse.nodered.org/u/Bos1982)\
**Replies:** 5\
**Last updated:** [27 February 2021 11:06 UTC](https://discourse.nodered.org/t/subtract-2-functions/41711 "2021-02-27T11:06:10Z")

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So I’m new to this forum and rather new to Node-Red. I’m struggling with the following.. I would likely subtract 2 functions. I have come quite far but now really get stuck. The whole idea is to “ Input a function” an…

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## [node red not opening](https://discourse.nodered.org/t/node-red-not-opening/41706)

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**Author:** [@Razr](https://discourse.nodered.org/u/Razr)\
**Replies:** 2\
**Last updated:** [27 February 2021 08:39 UTC](https://discourse.nodered.org/t/node-red-not-opening/41706 "2021-02-27T08:39:11Z")

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Welcome to Node-RED 27 Feb 13:20:41 - \[info\] Node-RED version: v1.2.9 27 Feb 13:20:41 - \[info\] Node.js version: v10.23.1 27 Feb 13:20:41 - \[info\] Linux 5.10.11+ arm LE 27 Feb 13:21:01 - \[info\] Loading palette nodes …

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## [Adding variable values](https://discourse.nodered.org/t/adding-variable-values/41705)

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**Author:** [@little\_rich](https://discourse.nodered.org/u/little_rich)\
**Replies:** 2\
**Last updated:** [27 February 2021 08:37 UTC](https://discourse.nodered.org/t/adding-variable-values/41705 "2021-02-27T08:37:13Z")

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I have struggled all afternoon with something which shouldn't be hard. Have had a look around and seen some similar queries but not quite the same. My problem is I am trying to add two variables together but the answer…

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## [Disabling flows during startup](https://discourse.nodered.org/t/disabling-flows-during-startup/41355)

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**Author:** [@augjoh](https://discourse.nodered.org/u/augjoh)\
**Replies:** 5\
**Last updated:** [27 February 2021 06:16 UTC](https://discourse.nodered.org/t/disabling-flows-during-startup/41355 "2021-02-27T06:16:40Z")

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Hello everybody, I'm running a Node-RED project with mutliple flows. I would like to enable/disable some flows during startup. I've seen, that this is possible using the admin web interface. Is this possible using setti…

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## [Visualization of data](https://discourse.nodered.org/t/visualization-of-data/41639)

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**Author:** [@bkenobi](https://discourse.nodered.org/u/bkenobi)\
**Replies:** 20\
**Last updated:** [26 February 2021 22:17 UTC](https://discourse.nodered.org/t/visualization-of-data/41639 "2021-02-26T22:17:16Z")

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I know there is the NR Dashboard available but to date I have been experimenting with Grafana. I'm not completely happy with the way data is visualized and thought perhaps I should step back and see if others are using …

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## [Issues trying to install on new Pi 4](https://discourse.nodered.org/t/issues-trying-to-install-on-new-pi-4/41485)

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**Author:** [@Industrialogics](https://discourse.nodered.org/u/Industrialogics)\
**Replies:** 15\
**Last updated:** [26 February 2021 21:09 UTC](https://discourse.nodered.org/t/issues-trying-to-install-on-new-pi-4/41485 "2021-02-26T21:09:58Z")

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It says successfully loaded, but I cannot start either from window or Programming-Node-Red at VNC... What am I doing wrong?

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## [Only pass True if input is true for X seconds](https://discourse.nodered.org/t/only-pass-true-if-input-is-true-for-x-seconds/41657)

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**Author:** [@daxliniere](https://discourse.nodered.org/u/daxliniere)\
**Replies:** 18\
**Last updated:** [26 February 2021 21:01 UTC](https://discourse.nodered.org/t/only-pass-true-if-input-is-true-for-x-seconds/41657 "2021-02-26T21:01:58Z")

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Hey all, I'm relatively new to NR, but absolutely LOVING it. I'm working on a flow which will let me know if a cupboard has been left open. The input is a reed switch connected to a RPi GPIO pin (this is working), the …

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## [Thanks to all helping user here in forum](https://discourse.nodered.org/t/thanks-to-all-helping-user-here-in-forum/41690)

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**Author:** [@iiot2k](https://discourse.nodered.org/u/iiot2k)\
**Replies:** 0\
**Last updated:** [26 February 2021 19:39 UTC](https://discourse.nodered.org/t/thanks-to-all-helping-user-here-in-forum/41690 "2021-02-26T19:39:14Z")

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Very thanks to all helping users here. :trophy: They spend her free time to solve our problems in Node-Red. :sweat: Sometimes they show a lot of patience for our stupid questions. :roll\_eyes: @knolleary @Steve-Mcl @…

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## [How to add key/value of json object by node change](https://discourse.nodered.org/t/how-to-add-key-value-of-json-object-by-node-change/41662)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 4\
**Last updated:** [26 February 2021 20:28 UTC](https://discourse.nodered.org/t/how-to-add-key-value-of-json-object-by-node-change/41662 "2021-02-26T20:28:27Z")

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Hi, I would like to add key/value to the json object, I have done it using the function node. \[{"id":"828012fb.ba609","type":"tab","label":"フロー 1","disabled":false,"info":""},{"id":"b7825fef.5e89","type":"inject","z"…

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## [Help with a function](https://discourse.nodered.org/t/help-with-a-function/41686)

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**Author:** [@877](https://discourse.nodered.org/u/877)\
**Replies:** 2\
**Last updated:** [26 February 2021 19:16 UTC](https://discourse.nodered.org/t/help-with-a-function/41686 "2021-02-26T19:16:48Z")

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I would like to write a function that does the following: Filters messages from topic zigbee2mqtt/Hue\_dimmer\_main\_bedroom on payload.action = "off\_press" For each matching received message, the function sends one of …

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## [Node-red-contrib-opcua](https://discourse.nodered.org/t/node-red-contrib-opcua/41688)

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**Author:** [@CesSifu](https://discourse.nodered.org/u/CesSifu)\
**Replies:** 0\
**Last updated:** [26 February 2021 17:51 UTC](https://discourse.nodered.org/t/node-red-contrib-opcua/41688 "2021-02-26T17:51:29Z")

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HI! I'm trying to use the "node-red-contrib-opcua", but I'm having an issue. Versions: Node red - v1.2.9 Node JS - v14.16.0 I'm able to configure the OPC UA server, I connect to the server with the UAEXPERT, everyt…

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## [NodeRED crashed after var undefined](https://discourse.nodered.org/t/nodered-crashed-after-var-undefined/41683)

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**Author:** [@nicedevil](https://discourse.nodered.org/u/nicedevil)\
**Replies:** 10\
**Last updated:** [26 February 2021 15:34 UTC](https://discourse.nodered.org/t/nodered-crashed-after-var-undefined/41683 "2021-02-26T15:34:23Z")

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Heya I just noticed that my node-red keeps crashing all day long. Inside the logs I could find that node-red seems to have a problem after a function node tries to get an undefined variable. here an example on how I de…

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## [Sending a email with a attachment and a text](https://discourse.nodered.org/t/sending-a-email-with-a-attachment-and-a-text/41626)

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**Author:** [@Bradley](https://discourse.nodered.org/u/Bradley)\
**Replies:** 13\
**Last updated:** [26 February 2021 13:16 UTC](https://discourse.nodered.org/t/sending-a-email-with-a-attachment-and-a-text/41626 "2021-02-26T13:16:13Z")

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Im trying for a project to send a email with a bit of text and a attachment but dont find how to do it tried some things also lloked on the internet but dont realy find something similar because the person who will get …

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## [How to connect to nodered using raspberry pi hostname](https://discourse.nodered.org/t/how-to-connect-to-nodered-using-raspberry-pi-hostname/12145)

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**Author:** [@cuxcrider](https://discourse.nodered.org/u/cuxcrider)\
**Replies:** 8\
**Last updated:** [26 February 2021 13:01 UTC](https://discourse.nodered.org/t/how-to-connect-to-nodered-using-raspberry-pi-hostname/12145 "2021-02-26T13:01:16Z")

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Goal: I would like to allow users to just type into their browser: \<hostname\> and automatically be directed to the nodered dashboard app I made. Progress so far: Nodered is running on a raspberry pi. I already chang…

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## [Openweathermap how to insert api](https://discourse.nodered.org/t/openweathermap-how-to-insert-api/41680)

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**Author:** [@sfedo](https://discourse.nodered.org/u/sfedo)\
**Replies:** 2\
**Last updated:** [26 February 2021 12:57 UTC](https://discourse.nodered.org/t/openweathermap-how-to-insert-api/41680 "2021-02-26T12:57:40Z")

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where to set api inside openweathermap node?? I found older tutorials with a field for an api key, but the new node, Ive installed doesnt have it?

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## [Somfy Tahoma OAuth2 - Authorization Code Grant Challenge](https://discourse.nodered.org/t/somfy-tahoma-oauth2-authorization-code-grant-challenge/41428)

<div class="topic-metadata">

**Author:** [@n300](https://discourse.nodered.org/u/n300)\
**Replies:** 6\
**Last updated:** [26 February 2021 12:00 UTC](https://discourse.nodered.org/t/somfy-tahoma-oauth2-authorization-code-grant-challenge/41428 "2021-02-26T12:00:12Z")

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Hi there, I'm using Redmatic (specialized node-red version for Homematic CCU3). My latest project is, to automate my Somfy RTS windows shutters via Somfy Tahoma. But at the moment I'm failing to get an initial API-Toke…

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## [Help with generating image from captured data](https://discourse.nodered.org/t/help-with-generating-image-from-captured-data/40488)

<div class="topic-metadata">

**Author:** [@blob](https://discourse.nodered.org/u/blob)\
**Replies:** 10\
**Last updated:** [26 February 2021 10:15 UTC](https://discourse.nodered.org/t/help-with-generating-image-from-captured-data/40488 "2021-02-26T10:15:05Z")

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Hi, I have a data generated from a camera feed and I would like to generate an image out of it. I'm wondering if anyone here could help me in this regard. Kindly find the file attached containing the data. The glitch is…

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