# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=632

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

**Page:** 633

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## [Tradfri dimmer button](https://discourse.nodered.org/t/tradfri-dimmer-button/37669)

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**Author:** [@Urs-Eppenberger](https://discourse.nodered.org/u/Urs-Eppenberger)\
**Replies:** 14\
**Last updated:** [26 December 2020 22:31 UTC](https://discourse.nodered.org/t/tradfri-dimmer-button/37669 "2020-12-26T22:31:21Z")

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I have the IKEA Tradfri gateway connected to my node-red. It is very easy to control a lamp. I have no idea how to get input from the IKEA Tradfri dimmer button. Is there someone out there who did it?

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## [\`ping\` node error. Can someone make sense of it?](https://discourse.nodered.org/t/ping-node-error-can-someone-make-sense-of-it/37782)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 27\
**Last updated:** [26 December 2020 22:19 UTC](https://discourse.nodered.org/t/ping-node-error-can-someone-make-sense-of-it/37782 "2020-12-26T22:19:37Z")

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This is what I am seeing: =================== When 2020-12-20 14:10:13 Who ERROR\_REPORT/BedPi/ERROR\_REPORT/BedPi/ADSL Monitor/192.168.0.93 Where 2f482da9.038802 What Error: spawn EIO =================== Node: node-red…

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## [Performance, Scalability and Security Evaluation](https://discourse.nodered.org/t/performance-scalability-and-security-evaluation/38049)

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**Author:** [@m.zendedel75](https://discourse.nodered.org/u/m.zendedel75)\
**Replies:** 1\
**Last updated:** [26 December 2020 21:59 UTC](https://discourse.nodered.org/t/performance-scalability-and-security-evaluation/38049 "2020-12-26T21:59:17Z")

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Hi, Do you know how Performance, Scalability and Security Evaluation performed in Node-Red ...?

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## [Connecting never happens](https://discourse.nodered.org/t/connecting-never-happens/38041)

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**Author:** [@plclady](https://discourse.nodered.org/u/plclady)\
**Replies:** 19\
**Last updated:** [26 December 2020 21:34 UTC](https://discourse.nodered.org/t/connecting-never-happens/38041 "2020-12-26T21:34:53Z")

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I have node-red running on a groov Epic(192.168.1.130) and I'm editing it on a laptop (.160). I installed the eclipse MQTT broker on a different computer (.150) plugged into the same unmanaged switch as the Epic. I hav…

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## [When to start if need to be on time - Time Calc](https://discourse.nodered.org/t/when-to-start-if-need-to-be-on-time-time-calc/38028)

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**Author:** [@TheCrey](https://discourse.nodered.org/u/TheCrey)\
**Replies:** 5\
**Last updated:** [26 December 2020 21:14 UTC](https://discourse.nodered.org/t/when-to-start-if-need-to-be-on-time-time-calc/38028 "2020-12-26T21:14:02Z")

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Hi there, i hope you are all fine and healthy. I am struggling with time calculation. I am sure it is possible to do, but as im new to nodered I am really not sure how to start. Let me explain, I need to be at work at…

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## [Watch folder for particular files](https://discourse.nodered.org/t/watch-folder-for-particular-files/38043)

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**Author:** [@bigmac5753](https://discourse.nodered.org/u/bigmac5753)\
**Replies:** 6\
**Last updated:** [26 December 2020 19:51 UTC](https://discourse.nodered.org/t/watch-folder-for-particular-files/38043 "2020-12-26T19:51:28Z")

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I want to periodically scan a smb share folder for any files with a particular extension. If those files exist, report back with their filenames.... how can I do this?

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## [Fritzbox Sip Call](https://discourse.nodered.org/t/fritzbox-sip-call/37720)

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**Author:** [@arnold](https://discourse.nodered.org/u/arnold)\
**Replies:** 3\
**Last updated:** [26 December 2020 09:58 UTC](https://discourse.nodered.org/t/fritzbox-sip-call/37720 "2020-12-26T09:58:22Z")

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Hello, I´m looking for one node which just can make a SIP call to fritzbox. Or any other solution. What i want to do: Just simple: one ESP ist connected to 2 Door Belt. If button pressed esp sends a mqtt comand to …

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## [I don't understand this error message I am seeing](https://discourse.nodered.org/t/i-dont-understand-this-error-message-i-am-seeing/38023)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [26 December 2020 09:31 UTC](https://discourse.nodered.org/t/i-dont-understand-this-error-message-i-am-seeing/38023 "2020-12-26T09:31:32Z")

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I open a function node and write code. I see this: But where is/are these errors?

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## [Payload and variables](https://discourse.nodered.org/t/payload-and-variables/38015)

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**Author:** [@patfee](https://discourse.nodered.org/u/patfee)\
**Replies:** 4\
**Last updated:** [26 December 2020 08:22 UTC](https://discourse.nodered.org/t/payload-and-variables/38015 "2020-12-26T08:22:49Z")

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completely puzzeled and hoping someone could point me in the right direction. i receive a mqtt message which is converted in an json object. the actual mqtt is a frigate/events message, and the son object has a "camera…

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## [String/Object message handling](https://discourse.nodered.org/t/string-object-message-handling/38011)

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**Author:** [@Nbra](https://discourse.nodered.org/u/Nbra)\
**Replies:** 2\
**Last updated:** [25 December 2020 21:52 UTC](https://discourse.nodered.org/t/string-object-message-handling/38011 "2020-12-25T21:52:08Z")

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Hi, Iv\`e reached the end of my string here with a get/http return message from a IP camera where I will extract some data to make a download link. The request message returns a string with: ?xml version="1.0"?\> \<root …

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## [Install node-red have error](https://discourse.nodered.org/t/install-node-red-have-error/38001)

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**Author:** [@muzi](https://discourse.nodered.org/u/muzi)\
**Replies:** 4\
**Last updated:** [25 December 2020 21:10 UTC](https://discourse.nodered.org/t/install-node-red-have-error/38001 "2020-12-25T21:10:25Z")

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Hello friends: I use npm install node-red have below error,i don't know in our forum who come across this before ,please help me solve it ,Thanks in advance. Does my environment have some issue?

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## [Jsonata solution capturing a key name in msg.payload?](https://discourse.nodered.org/t/jsonata-solution-capturing-a-key-name-in-msg-payload/37991)

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**Author:** [@gr1nch](https://discourse.nodered.org/u/gr1nch)\
**Replies:** 2\
**Last updated:** [25 December 2020 20:52 UTC](https://discourse.nodered.org/t/jsonata-solution-capturing-a-key-name-in-msg-payload/37991 "2020-12-25T20:52:02Z")

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Hi, I've spent hours looking at the forum, nodered docs, jsonata docs, tinkering etc to find a solution that for some of you will be really simple and already known. Yes, I could use a function node, but am thinking a c…

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## [Help Parsing JSON](https://discourse.nodered.org/t/help-parsing-json/38008)

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**Author:** [@Chura](https://discourse.nodered.org/u/Chura)\
**Replies:** 3\
**Last updated:** [25 December 2020 19:41 UTC](https://discourse.nodered.org/t/help-parsing-json/38008 "2020-12-25T19:41:23Z")

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I have this data returned from node (Openhab2) { "PRNRS\_Shutter": { "link": "http://172.17.0.1:9000/rest/items/PRNRS\_Shutter", "state": "0", "stateDescription": { "pattern": "%d %%", "readOnly…

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## [Msg.payload not being appended to command in exec node](https://discourse.nodered.org/t/msg-payload-not-being-appended-to-command-in-exec-node/37992)

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**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 4\
**Last updated:** [25 December 2020 17:14 UTC](https://discourse.nodered.org/t/msg-payload-not-being-appended-to-command-in-exec-node/37992 "2020-12-25T17:14:59Z")

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This used to work :frowning: \[{"id":"a82bdbdd.0f5b78","type":"inject","z":"5976337f.eb428c","name":"speak test","props":\[{"p":"topic","vt":"str"},{"p":"payload"}\],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"t…

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## [How to get single record from select query..?](https://discourse.nodered.org/t/how-to-get-single-record-from-select-query/38000)

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**Author:** [@Ptwtech](https://discourse.nodered.org/u/Ptwtech)\
**Replies:** 7\
**Last updated:** [25 December 2020 13:31 UTC](https://discourse.nodered.org/t/how-to-get-single-record-from-select-query/38000 "2020-12-25T13:31:33Z")

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Hello All, I want to get single record from select query.... i am getting output in object..? I'm writing query in function like this msg.topic= "select body from test limit 1;" return msg; i am getting this output …

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## [German Translation](https://discourse.nodered.org/t/german-translation/5366)

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**Author:** [@joerg\_w](https://discourse.nodered.org/u/joerg_w)\
**Replies:** 17\
**Last updated:** [25 December 2020 12:42 UTC](https://discourse.nodered.org/t/german-translation/5366 "2020-12-25T12:42:20Z")

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Hi there, I'm in the process of creating German translations for the core UI and run-time elements. a) Just wondering about potential tests before submitting a pull request ? b) what additional nodes would be benefici…

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## [Kill Exec Python Script NeoPixels](https://discourse.nodered.org/t/kill-exec-python-script-neopixels/37979)

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**Author:** [@Brew](https://discourse.nodered.org/u/Brew)\
**Replies:** 13\
**Last updated:** [25 December 2020 09:02 UTC](https://discourse.nodered.org/t/kill-exec-python-script-neopixels/37979 "2020-12-25T09:02:08Z")

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Hi community, it's that time of year again and I've got a few Pis around the place controlling strings of NeoPixels, I've modified the stringiest.py I can initiate the python script no problem with the Exec node however…

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## [Using $moment() in change node jsonata 'Test' results in an error](https://discourse.nodered.org/t/using-moment-in-change-node-jsonata-test-results-in-an-error/37995)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 5\
**Last updated:** [25 December 2020 08:49 UTC](https://discourse.nodered.org/t/using-moment-in-change-node-jsonata-test-results-in-an-error/37995 "2020-12-25T08:49:46Z")

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In the change node, if you are using JSONata and use the $moment() function and try to test it, you get an error Error evaluating expression: Attempted to invoke a non-function Bug (?) or is this just something you c…

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## [Home assistant call service node: invalid json syntaxerror unexpected token](https://discourse.nodered.org/t/home-assistant-call-service-node-invalid-json-syntaxerror-unexpected-token/37938)

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**Author:** [@stanwebber](https://discourse.nodered.org/u/stanwebber)\
**Replies:** 3\
**Last updated:** [25 December 2020 01:07 UTC](https://discourse.nodered.org/t/home-assistant-call-service-node-invalid-json-syntaxerror-unexpected-token/37938 "2020-12-25T01:07:52Z")

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i don't get what i'm doing wrong. i'm trying to use the call service node in home assistant to trigger: domain: light service: turn\_on entity id: light.master\_bedroom data: "brightness\_pct": "100", "kelvin": "27…

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## [Uibuilder pages after update to v3 now broken](https://discourse.nodered.org/t/uibuilder-pages-after-update-to-v3-now-broken/37985)

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**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\
**Replies:** 15\
**Last updated:** [25 December 2020 00:19 UTC](https://discourse.nodered.org/t/uibuilder-pages-after-update-to-v3-now-broken/37985 "2020-12-25T00:19:48Z")

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I made the mistake to updating uibuilder to v3 and now neither the basic example nor my own pages work. I have looked at the update log and cannot see anything obvious that I have to change. Anyone any ideas on what I s…

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## [Summing array elements](https://discourse.nodered.org/t/summing-array-elements/37988)

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**Author:** [@FatPilot](https://discourse.nodered.org/u/FatPilot)\
**Replies:** 5\
**Last updated:** [24 December 2020 23:16 UTC](https://discourse.nodered.org/t/summing-array-elements/37988 "2020-12-24T23:16:25Z")

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Hi everyone and Merry Christmas! I'm trying to average some gps lat and long positions to smooth the output. the array is limited to two for testing purposes and would normally be in the order of 100. The two lines fai…

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## [How to configure how the edit screen loads](https://discourse.nodered.org/t/how-to-configure-how-the-edit-screen-loads/37964)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [24 December 2020 22:30 UTC](https://discourse.nodered.org/t/how-to-configure-how-the-edit-screen-loads/37964 "2020-12-24T22:30:04Z")

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I have tried looking and don't know how to exactly word the question so am not getting relevant results on the searches. When I load the edit screen it has become a default that it has the info option selected. (See pi…

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## [Unable to get issuer cert locally](https://discourse.nodered.org/t/unable-to-get-issuer-cert-locally/37986)

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**Author:** [@daniel.phillips](https://discourse.nodered.org/u/daniel.phillips)\
**Replies:** 5\
**Last updated:** [24 December 2020 21:48 UTC](https://discourse.nodered.org/t/unable-to-get-issuer-cert-locally/37986 "2020-12-24T21:48:38Z")

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Hi, I updated openssl on my ubuntu 20.04 server to openssl 1.1.1i last night and ever since then, node-red nodes are getting the error "UNABLE\_TO\_GET\_ISSUER\_CERT\_LOCALLY" I have been trying to find out how to fix this …

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## [Nora Google Assistant](https://discourse.nodered.org/t/nora-google-assistant/37203)

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**Author:** [@pvandenbulcke](https://discourse.nodered.org/u/pvandenbulcke)\
**Replies:** 2\
**Last updated:** [24 December 2020 20:39 UTC](https://discourse.nodered.org/t/nora-google-assistant/37203 "2020-12-24T20:39:35Z")

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Hello, anybody having problems with Nora nodes for Google Assistant integration. I tried this months ago and it worked perfectly. I have my own home automation build, controllable with node-red and successfully was able…

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## [Default side-bar?](https://discourse.nodered.org/t/default-side-bar/37977)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 3\
**Last updated:** [24 December 2020 16:10 UTC](https://discourse.nodered.org/t/default-side-bar/37977 "2020-12-24T16:10:39Z")

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Did I miss a setting? Is there a way to set the default sidebar? I have the debug sidebar first and want that to be the default but in fact, every time I load, it is set to the information sidebar instead.

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## [How we can share data between node-red and another nodejs application](https://discourse.nodered.org/t/how-we-can-share-data-between-node-red-and-another-nodejs-application/37910)

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**Author:** [@rahul1](https://discourse.nodered.org/u/rahul1)\
**Replies:** 7\
**Last updated:** [24 December 2020 15:33 UTC](https://discourse.nodered.org/t/how-we-can-share-data-between-node-red-and-another-nodejs-application/37910 "2020-12-24T15:33:32Z")

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How we can share nodered data in another nodejs application which is running in the same server.

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## [Use control for openhab2 items does not find items](https://discourse.nodered.org/t/use-control-for-openhab2-items-does-not-find-items/37932)

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**Author:** [@Dirk\_L](https://discourse.nodered.org/u/Dirk_L)\
**Replies:** 4\
**Last updated:** [24 December 2020 13:15 UTC](https://discourse.nodered.org/t/use-control-for-openhab2-items-does-not-find-items/37932 "2020-12-24T13:15:15Z")

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Hi @ all, doing my first steps in NR and I am glad to say, it will improve! But now I have got an issue on openhab2 items. When I set up a control to OH no items are mentioned in the OH nodes. e.g.: in an openhab2.out w…

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## [Installation of node-red-contrib-modbus fails](https://discourse.nodered.org/t/installation-of-node-red-contrib-modbus-fails/37873)

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**Author:** [@jcs](https://discourse.nodered.org/u/jcs)\
**Replies:** 8\
**Last updated:** [24 December 2020 12:21 UTC](https://discourse.nodered.org/t/installation-of-node-red-contrib-modbus-fails/37873 "2020-12-24T12:21:48Z")

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Hi everyone, On July'20, I installed for a first time the nodeRED, and the node-red-contrib-modbus module in a win10 PC. I deployed a flow in order to read a modbus variable with a USB-RS485 converter. Everything worked…

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## [Communication to Buderus KM200](https://discourse.nodered.org/t/communication-to-buderus-km200/37956)

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**Author:** [@KoenH](https://discourse.nodered.org/u/KoenH)\
**Replies:** 1\
**Last updated:** [24 December 2020 10:44 UTC](https://discourse.nodered.org/t/communication-to-buderus-km200/37956 "2020-12-24T10:44:35Z")

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Hello, i have a KM200 installed to my heating system and i'm wondering if i could interface to that module via NodeRed. When i search, i don't find any Buderus node, although i find 3 Bosch nodes... Does anybody knows…

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## [Getting Exact Pin Inputs](https://discourse.nodered.org/t/getting-exact-pin-inputs/37967)

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**Author:** [@pranavthakkar](https://discourse.nodered.org/u/pranavthakkar)\
**Replies:** 3\
**Last updated:** [24 December 2020 10:34 UTC](https://discourse.nodered.org/t/getting-exact-pin-inputs/37967 "2020-12-24T10:34:54Z")

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Hello, I want to get input from that exact pin so that in node-red I can compare the value of it. so, If I'm using Rpi & for i.e pin 32 and 33 I want value from it with identification of that pin. (like pin 32--\> true…

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