# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=664

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

**Page:** 665

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## [Very weird/unexpected signals from flow](https://discourse.nodered.org/t/very-weird-unexpected-signals-from-flow/34733)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 12\
**Last updated:** [25 October 2020 20:22 UTC](https://discourse.nodered.org/t/very-weird-unexpected-signals-from-flow/34733 "2020-10-25T20:22:26Z")

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This has now happened a couple of times to me and now I am getting confused to what/why this is happening. I have a bit of flow which daily (at midnight) sends a signal that it is a new day. That is sent to different p…

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## [So, with NR 1.2.x Node is not a global install?](https://discourse.nodered.org/t/so-with-nr-1-2-x-node-is-not-a-global-install/34683)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 14\
**Last updated:** [25 October 2020 19:22 UTC](https://discourse.nodered.org/t/so-with-nr-1-2-x-node-is-not-a-global-install/34683 "2020-10-25T19:22:25Z")

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When I had 1.1.3 installed the following worked... npm list -g | grep '@types/node' Now this works... npm list | grep '@types/node' │ │ │ ├── @types/node@12.19.0 │ │ │ ├── @types/node@13.13.28 Just asking if th…

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## [Fehler im Debugfenster](https://discourse.nodered.org/t/fehler-im-debugfenster/34779)

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**Author:** [@ArnoNhym](https://discourse.nodered.org/u/ArnoNhym)\
**Replies:** 18\
**Last updated:** [25 October 2020 15:47 UTC](https://discourse.nodered.org/t/fehler-im-debugfenster/34779 "2020-10-25T15:47:53Z")

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Hallo zusammen Ich habe das Problem, das ich im Debug nur Fehlermeldungen bekomme, jedoch im Dashboard werden die Werte angezeigt... function : (error) "TypeError: Cannot read property 'temp' of undefined" hier der …

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## [Home Assistant "Get Entities" node - how to use?](https://discourse.nodered.org/t/home-assistant-get-entities-node-how-to-use/34737)

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**Author:** [@oywino](https://discourse.nodered.org/u/oywino)\
**Replies:** 5\
**Last updated:** [25 October 2020 12:10 UTC](https://discourse.nodered.org/t/home-assistant-get-entities-node-how-to-use/34737 "2020-10-25T12:10:23Z")

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Node Red v1.2.2 HA core v.0.116.4 No error codes, but the resulting payload isn't what I expect. I'm trying to get any, all and/or one specific entity attribute(s) from HA into NR. But no matter what I do, I only and…

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## [Accessing the NR webpage dashboard from Wifi connected mobile](https://discourse.nodered.org/t/accessing-the-nr-webpage-dashboard-from-wifi-connected-mobile/34756)

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**Author:** [@dr\_cave\_dweller](https://discourse.nodered.org/u/dr_cave_dweller)\
**Replies:** 1\
**Last updated:** [25 October 2020 08:49 UTC](https://discourse.nodered.org/t/accessing-the-nr-webpage-dashboard-from-wifi-connected-mobile/34756 "2020-10-25T08:49:22Z")

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Was wondering if anyone could tell me if this is possible. I am thinking about using a mobile phone or tablet to act as user interface to Node-Red instead of a touchscreen. I do not want to connect the raspberry Pi to …

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## [Editing the function library](https://discourse.nodered.org/t/editing-the-function-library/34743)

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**Author:** [@Manfred53](https://discourse.nodered.org/u/Manfred53)\
**Replies:** 3\
**Last updated:** [25 October 2020 08:09 UTC](https://discourse.nodered.org/t/editing-the-function-library/34743 "2020-10-25T08:09:33Z")

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I have node red V 1.22 on raspberry pi 4 installed. Does anybody know how I can edit the library of the function node? There are only the points "open library" and "save library" available. I cannot delete, rename or edi…

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## [High amount of MongoDB traffic](https://discourse.nodered.org/t/high-amount-of-mongodb-traffic/34694)

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**Author:** [@lesmar96](https://discourse.nodered.org/u/lesmar96)\
**Replies:** 11\
**Last updated:** [25 October 2020 07:00 UTC](https://discourse.nodered.org/t/high-amount-of-mongodb-traffic/34694 "2020-10-25T07:00:46Z")

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Hello All, We have an application where we have a remote edge device running Node-Red. Writing information to a MongoDB via the mongodb3in node. I don't know alot about databases and Mongo wasn't my choice, but the prog…

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## [Working with multiple inputs on uibuilder node](https://discourse.nodered.org/t/working-with-multiple-inputs-on-uibuilder-node/34701)

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**Author:** [@Pektin](https://discourse.nodered.org/u/Pektin)\
**Replies:** 2\
**Last updated:** [25 October 2020 02:53 UTC](https://discourse.nodered.org/t/working-with-multiple-inputs-on-uibuilder-node/34701 "2020-10-25T02:53:49Z")

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Hi, im relatively new to the uibuilder node and VueJS. I have following problem: For example, if i have multiple inputs to a uibuilder node over msg.payload. I catch them with the uibuilder.onChange() function. So good …

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## [contextStorage in later versions of NR. Confused](https://discourse.nodered.org/t/contextstorage-in-later-versions-of-nr-confused/34755)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [25 October 2020 00:12 UTC](https://discourse.nodered.org/t/contextstorage-in-later-versions-of-nr-confused/34755 "2020-10-25T00:12:16Z")

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NR 1.1.2 From this link New in 0.19 So I believe I am included in this. contextStorage: { default: { module:"localfilesystem", config: { // see below } } } So, off I go to sett…

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## [Date and time table to send messages](https://discourse.nodered.org/t/date-and-time-table-to-send-messages/32429)

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**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\
**Replies:** 8\
**Last updated:** [24 October 2020 21:30 UTC](https://discourse.nodered.org/t/date-and-time-table-to-send-messages/32429 "2020-10-24T21:30:18Z")

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Hi, guys a time ago I asked about a table on the dashboard to paste the hour to send on/off messages to a mqtt out node so I want to do the same but with an specific date. I will paste my flow. \[{"id":"fa431dfa.cb60b","…

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## [RGB Array in call service](https://discourse.nodered.org/t/rgb-array-in-call-service/34523)

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**Author:** [@Buva79](https://discourse.nodered.org/u/Buva79)\
**Replies:** 7\
**Last updated:** [24 October 2020 20:59 UTC](https://discourse.nodered.org/t/rgb-array-in-call-service/34523 "2020-10-24T20:59:39Z")

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Hi, I'm trying to send an array with RGB values to call service -\> Data. I use in Data: {"rgb\_color":{{payload}}}. I get: "Call-service API error. Error Message: extra keys not allowed @ data\['0'\]" If I copy the val…

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## [How change a text except the variable numbers from a payload](https://discourse.nodered.org/t/how-change-a-text-except-the-variable-numbers-from-a-payload/34751)

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**Author:** [@freak23](https://discourse.nodered.org/u/freak23)\
**Replies:** 8\
**Last updated:** [24 October 2020 20:01 UTC](https://discourse.nodered.org/t/how-change-a-text-except-the-variable-numbers-from-a-payload/34751 "2020-10-24T20:01:54Z")

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Hello together, I‘m facing a problem on how to change a text from a variable number coming from a payload string into another named payload string. I want to use a dimmable switch for jalousie control. Therefore it will…

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## [Join 2 playloads with the same id number](https://discourse.nodered.org/t/join-2-playloads-with-the-same-id-number/34488)

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**Author:** [@Almashharawi](https://discourse.nodered.org/u/Almashharawi)\
**Replies:** 6\
**Last updated:** [24 October 2020 18:57 UTC](https://discourse.nodered.org/t/join-2-playloads-with-the-same-id-number/34488 "2020-10-24T18:57:26Z")

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Hi, I am trying to find a way to join 2 separate payloads into one giving both of them have the same id. example:

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## [It's not adding up - Down works ok - FIXED](https://discourse.nodered.org/t/its-not-adding-up-down-works-ok-fixed/34752)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 11\
**Last updated:** [24 October 2020 17:34 UTC](https://discourse.nodered.org/t/its-not-adding-up-down-works-ok-fixed/34752 "2020-10-24T17:34:50Z")

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So This works as expected: var level=global.get("cb1temp") - 2.0; But this does not: var level=global.get("cb1temp") + 2.0; The only difference is that the first one correctly subtracts 2.0 from the global variable c…

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## [Look for products on Amazon or Ebay](https://discourse.nodered.org/t/look-for-products-on-amazon-or-ebay/34729)

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**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\
**Replies:** 5\
**Last updated:** [24 October 2020 15:33 UTC](https://discourse.nodered.org/t/look-for-products-on-amazon-or-ebay/34729 "2020-10-24T15:33:54Z")

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Hi all! Is there is any possibility to make a search on amazon for a certain product? I can't imagine a basic flow for doing this, but i think it can be useful using the Amazon Api maybe. Any clues? Thanks a lot!

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## [Problem passing topic.trigger to JOIN node](https://discourse.nodered.org/t/problem-passing-topic-trigger-to-join-node/34745)

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**Author:** [@woiptcs](https://discourse.nodered.org/u/woiptcs)\
**Replies:** 5\
**Last updated:** [24 October 2020 14:46 UTC](https://discourse.nodered.org/t/problem-passing-topic-trigger-to-join-node/34745 "2020-10-24T14:46:04Z")

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Hello , I'm using JOIN node to join multiple JSON Objects in to a merged object. This works properly. But I need to use and external trigger every "5 minutes" to generate the output of the "join" node. I'm using a sim…

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## [Compare 2 attributes from same message and trigger 2 actions based on it](https://discourse.nodered.org/t/compare-2-attributes-from-same-message-and-trigger-2-actions-based-on-it/34747)

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**Author:** [@slaz](https://discourse.nodered.org/u/slaz)\
**Replies:** 3\
**Last updated:** [24 October 2020 14:34 UTC](https://discourse.nodered.org/t/compare-2-attributes-from-same-message-and-trigger-2-actions-based-on-it/34747 "2020-10-24T14:34:57Z")

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Hello, Sorry for the dumb question in here but I try to set up nodered with home assistant and take care of some automation. The problem that I face is that I need to compare some temperature as it follows: if desired t…

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## [Issues with V.1.2.1](https://discourse.nodered.org/t/issues-with-v-1-2-1/34487)

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**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\
**Replies:** 9\
**Last updated:** [24 October 2020 14:26 UTC](https://discourse.nodered.org/t/issues-with-v-1-2-1/34487 "2020-10-24T14:26:02Z")

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Hello All I am facing some issues with the dashboard. Especially if i erase the new generated tab Recovered Nodes, most of the dashboard tabs disappear. José Godinho

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## [Only one input on function nodes?](https://discourse.nodered.org/t/only-one-input-on-function-nodes/34744)

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**Author:** [@pawihd](https://discourse.nodered.org/u/pawihd)\
**Replies:** 4\
**Last updated:** [24 October 2020 12:35 UTC](https://discourse.nodered.org/t/only-one-input-on-function-nodes/34744 "2020-10-24T12:35:01Z")

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Hi, i would like to react on temperature values from a sensor by comparing them to threshold values from a dashboard like this: temperature = msg.payload; if (temperature \> threshold){ return {payload: "over thresho…

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## [DISABLED groups - question](https://discourse.nodered.org/t/disabled-groups-question/34739)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [24 October 2020 09:08 UTC](https://discourse.nodered.org/t/disabled-groups-question/34739 "2020-10-24T09:08:27Z")

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On the edit screen I have a group. It is disabled, yet it isn't really reflecting it in the list. (See pictures.) I feel it would be nice(r) is the names were shown crossed out when they are disabled. I won't att…

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## [Modbus rtu issue with USB-RS485 adaptor "cannot lock port" on RPI](https://discourse.nodered.org/t/modbus-rtu-issue-with-usb-rs485-adaptor-cannot-lock-port-on-rpi/34586)

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**Author:** [@syma33](https://discourse.nodered.org/u/syma33)\
**Replies:** 19\
**Last updated:** [24 October 2020 09:05 UTC](https://discourse.nodered.org/t/modbus-rtu-issue-with-usb-rs485-adaptor-cannot-lock-port-on-rpi/34586 "2020-10-24T09:05:19Z")

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this works on windows but getting 20 Oct 17:32:30 - \[warn\] \[modbus-read:calling for data in 2007\] Modbus Failure On State sending Get More About It By Logging 20 Oct 17:32:30 - \[error\] \[modbus-read:calling for data…

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## [No more space in Node Red :(](https://discourse.nodered.org/t/no-more-space-in-node-red/34695)

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**Author:** [@LucaCarminati](https://discourse.nodered.org/u/LucaCarminati)\
**Replies:** 15\
**Last updated:** [24 October 2020 05:07 UTC](https://discourse.nodered.org/t/no-more-space-in-node-red/34695 "2020-10-24T05:07:19Z")

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Hi to everybody, I have a big problem with NR; I am developing an application where I am using, for insert the image in the dashboard, the BASE64 algorithm (I do the decode from BASE64 in image in NR); I want use this s…

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## [Working with conditions](https://discourse.nodered.org/t/working-with-conditions/34325)

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**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\
**Replies:** 13\
**Last updated:** [23 October 2020 20:20 UTC](https://discourse.nodered.org/t/working-with-conditions/34325 "2020-10-23T20:20:19Z")

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Hello all node-red fans! I'm working with conditions and tryng to match several ones to have a final result and make an action to happens. So... I have this nodes so far. The path goes like this: check if im stay …

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## [Sqlite database location node-red](https://discourse.nodered.org/t/sqlite-database-location-node-red/34717)

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**Author:** [@brunoalmeida](https://discourse.nodered.org/u/brunoalmeida)\
**Replies:** 1\
**Last updated:** [23 October 2020 18:45 UTC](https://discourse.nodered.org/t/sqlite-database-location-node-red/34717 "2020-10-23T18:45:20Z")

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I have a Node-RED flow. It uses a sqlite node. I am using node-red-node-sqlite. My OS is Windows 10. My sql database is configured just with name "db" : My question is, where is located the sqlite database file? I a…

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## [Could be possible doing something like this parallel run](https://discourse.nodered.org/t/could-be-possible-doing-something-like-this-parallel-run/34709)

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**Author:** [@crester](https://discourse.nodered.org/u/crester)\
**Replies:** 3\
**Last updated:** [23 October 2020 16:42 UTC](https://discourse.nodered.org/t/could-be-possible-doing-something-like-this-parallel-run/34709 "2020-10-23T16:42:51Z")

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Hello I want to improve the speed of one application similar as this example. I need to avoid http requests and continue with some stuff while the flow is doing logoff But I observed never goes throug logout function …

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## [Node-red-crypto-js encoding doesn't work](https://discourse.nodered.org/t/node-red-crypto-js-encoding-doesnt-work/34703)

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**Author:** [@seeQuayah](https://discourse.nodered.org/u/seeQuayah)\
**Replies:** 4\
**Last updated:** [23 October 2020 14:40 UTC](https://discourse.nodered.org/t/node-red-crypto-js-encoding-doesnt-work/34703 "2020-10-23T14:40:20Z")

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I want to create an HMAC of a string, then encode it in base64. For that, I installed node-red-contrib-crypto-js in the palette. Here is what I have done: \[{"id":"2aec555f.d07e6a","type":"tab","label":"here","disabled"…

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## [Is it possible to recover a debug message?](https://discourse.nodered.org/t/is-it-possible-to-recover-a-debug-message/34708)

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**Author:** [@Albatroz](https://discourse.nodered.org/u/Albatroz)\
**Replies:** 2\
**Last updated:** [23 October 2020 12:41 UTC](https://discourse.nodered.org/t/is-it-possible-to-recover-a-debug-message/34708 "2020-10-23T12:41:04Z")

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I have a flow in which I had a debug message on the sidebar, but I deleted everything with the trash can icon, can I see this debug message again elsewhere?

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## [How to store value and make math operations without external database?](https://discourse.nodered.org/t/how-to-store-value-and-make-math-operations-without-external-database/34692)

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**Author:** [@Robsky](https://discourse.nodered.org/u/Robsky)\
**Replies:** 3\
**Last updated:** [23 October 2020 09:42 UTC](https://discourse.nodered.org/t/how-to-store-value-and-make-math-operations-without-external-database/34692 "2020-10-23T09:42:00Z")

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Hi Community, I have EV wall charger power meter where I'm picking up values like voltage,current,power etc from it via ModBus. Also everyday I'm taking kWh sample value at 0:30 and sending email to myself then same with…

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## [Link to errored node](https://discourse.nodered.org/t/link-to-errored-node/34702)

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**Author:** [@josekavunkal](https://discourse.nodered.org/u/josekavunkal)\
**Replies:** 2\
**Last updated:** [23 October 2020 09:11 UTC](https://discourse.nodered.org/t/link-to-errored-node/34702 "2020-10-23T09:11:27Z")

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Is there a way to get the link of a particular node in the flow?. When a node generate error in debug window we get a link there and we can reach the node by clicking on it .This will help to directly move to the errore…

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## [Trying to make a if function work](https://discourse.nodered.org/t/trying-to-make-a-if-function-work/34691)

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**Author:** [@niceguy45](https://discourse.nodered.org/u/niceguy45)\
**Replies:** 16\
**Last updated:** [22 October 2020 22:26 UTC](https://discourse.nodered.org/t/trying-to-make-a-if-function-work/34691 "2020-10-22T22:26:27Z")

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i got a home center that sends out events: and i only want the message to go trough when both id's are true. but now if only 222 is true, the messga goes though. if ( (msg.id == 222 && msg.payload == true) || ( msg.id…

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