# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1129

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

**Page:** 1130

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## [Shared MQTT subscriptions](https://discourse.nodered.org/t/shared-mqtt-subscriptions/23837)

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**Author:** [@msupra](https://discourse.nodered.org/u/msupra)\
**Replies:** 2\
**Last updated:** [29 March 2020 16:39 UTC](https://discourse.nodered.org/t/shared-mqtt-subscriptions/23837 "2020-03-29T16:39:15Z")

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Hi all I use emq as my mqtt server and it supports shared mqtt subscriptions. I want to use this functionality to have more than one flow have an mqtt in node that will subscribe to the same topic, as to offer round rob…

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## [Old context variables are still accessable after deploy](https://discourse.nodered.org/t/old-context-variables-are-still-accessable-after-deploy/23839)

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**Author:** [@r0ller](https://discourse.nodered.org/u/r0ller)\
**Replies:** 2\
**Last updated:** [29 March 2020 16:30 UTC](https://discourse.nodered.org/t/old-context-variables-are-still-accessable-after-deploy/23839 "2020-03-29T16:30:18Z")

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Hi All, I've just noticed that if I rename a context variable in a function say: flow.set("a",1); to: flow.set("b",1); the old context variable "a" still lingers there after deploy (node-red 1.0.2). At least, flow.k…

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## [Heating flow . contrib heater controller](https://discourse.nodered.org/t/heating-flow-contrib-heater-controller/23781)

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**Author:** [@oddmn](https://discourse.nodered.org/u/oddmn)\
**Replies:** 27\
**Last updated:** [29 March 2020 16:07 UTC](https://discourse.nodered.org/t/heating-flow-contrib-heater-controller/23781 "2020-03-29T16:07:25Z")

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Hello all. Can some help me with this problem. I dont get this flow to turn of and of my electrical heater (fibaro wall plug). I cant find the problem with this. looks like everything is working except turning on/off. …

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## [Tic-Tac-Toe game](https://discourse.nodered.org/t/tic-tac-toe-game/23831)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 0\
**Last updated:** [29 March 2020 14:40 UTC](https://discourse.nodered.org/t/tic-tac-toe-game/23831 "2020-03-29T14:40:10Z")

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Here is our beta version (no multi-location playing yet) of Tic-Tac-Toe if anyone wants to take a look. \[{"id":"e1fd8135.0c3c98","type":"subflow","name":"Subflow 1","info":"","category":"","in":\[{"x":80,"y":60,"wires":\[…

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## [Where to add CSS file in Node Red](https://discourse.nodered.org/t/where-to-add-css-file-in-node-red/7052)

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**Author:** [@gmahule](https://discourse.nodered.org/u/gmahule)\
**Replies:** 13\
**Last updated:** [29 March 2020 14:23 UTC](https://discourse.nodered.org/t/where-to-add-css-file-in-node-red/7052 "2020-03-29T14:23:15Z")

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Hello everyone, I am trying to customize the node red but I am unable to understand how to add CSS and also what changes I have to do in settings.

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## [SDS011 contrib, problem with installation](https://discourse.nodered.org/t/sds011-contrib-problem-with-installation/21450)

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**Author:** [@calcioscacchi](https://discourse.nodered.org/u/calcioscacchi)\
**Replies:** 37\
**Last updated:** [29 March 2020 14:08 UTC](https://discourse.nodered.org/t/sds011-contrib-problem-with-installation/21450 "2020-03-29T14:08:00Z")

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Hi there. I'm trying to install the SDS011 sensor node in my rapsberry pi3, you can find it here: https://flows.nodered.org/node/node-red-contrib-sds011 Actually i'm running npm@6.13.4 and node@v12.15.0. I wish that i…

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## [Msg.topic as name for flow variable](https://discourse.nodered.org/t/msg-topic-as-name-for-flow-variable/23823)

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**Author:** [@KoenV](https://discourse.nodered.org/u/KoenV)\
**Replies:** 5\
**Last updated:** [29 March 2020 13:11 UTC](https://discourse.nodered.org/t/msg-topic-as-name-for-flow-variable/23823 "2020-03-29T13:11:19Z")

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Hi, I am reasonable new to node-red. in my project i have a number of settings that are changeable on a dashboard. When that change comes in i want to use the msg.topic as the name for the flow variable. i tried many sy…

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## [How to create custom node like "telegram receiver" node of my own?](https://discourse.nodered.org/t/how-to-create-custom-node-like-telegram-receiver-node-of-my-own/23801)

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**Author:** [@RavinderSingh13](https://discourse.nodered.org/u/RavinderSingh13)\
**Replies:** 3\
**Last updated:** [29 March 2020 13:09 UTC](https://discourse.nodered.org/t/how-to-create-custom-node-like-telegram-receiver-node-of-my-own/23801 "2020-03-29T13:09:09Z")

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Hello All, I have learnt today how to create a custom node by link https://nodered.org/docs/creating-nodes/first-node and fixed issues by this forum's help with link https://discourse.nodered.org/t/not-able-to-see-newly…

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## [Nodes squashed in upper left corner](https://discourse.nodered.org/t/nodes-squashed-in-upper-left-corner/23820)

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**Author:** [@GChapo](https://discourse.nodered.org/u/GChapo)\
**Replies:** 4\
**Last updated:** [29 March 2020 12:11 UTC](https://discourse.nodered.org/t/nodes-squashed-in-upper-left-corner/23820 "2020-03-29T12:11:34Z")

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Hello, I have several nodes that I can't see because they're squashed in the upper left section in node red. Can anybody assist please?

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## [Delete subflow - confirmation](https://discourse.nodered.org/t/delete-subflow-confirmation/23814)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 1\
**Last updated:** [29 March 2020 10:57 UTC](https://discourse.nodered.org/t/delete-subflow-confirmation/23814 "2020-03-29T10:57:02Z")

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Request to have a confirmation dialog when deleting a subflow. Subflows can contain a lot of work and deleting them can sometimes make your heartbeat go up. I know that ctrl-z - undo exists, but the realisation could c…

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## [How to specify an integer data type to InfluxDB](https://discourse.nodered.org/t/how-to-specify-an-integer-data-type-to-influxdb/23799)

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**Author:** [@Loic74650](https://discourse.nodered.org/u/Loic74650)\
**Replies:** 5\
**Last updated:** [29 March 2020 10:11 UTC](https://discourse.nodered.org/t/how-to-specify-an-integer-data-type-to-influxdb/23799 "2020-03-29T10:11:09Z")

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Hello Folks, I have MQTT data in JSON format which looks like this: "{"Tmp":1018,"pH":733,"PSI":68,"Orp":592,"FilUpT":28072,"PhUpT":625,"ChlUpT":247,"IO":152,"IO2":224}" I convert it to a JS Object with the JSON node …

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## [Uibuilder, dynamically add a component with Vue.js](https://discourse.nodered.org/t/uibuilder-dynamically-add-a-component-with-vue-js/23777)

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**Author:** [@MrPec](https://discourse.nodered.org/u/MrPec)\
**Replies:** 5\
**Last updated:** [29 March 2020 09:43 UTC](https://discourse.nodered.org/t/uibuilder-dynamically-add-a-component-with-vue-js/23777 "2020-03-29T09:43:25Z")

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Hi all, maybe it's a silly question and it's quite easy, but I have absolutely zero knowledge about Vue.js. Imagine I want to design a questionnaire with Node-Red and Uibuilder. To achive this I have a state in my flo…

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## [GrovePi/MQTT/Node-Red dashboard](https://discourse.nodered.org/t/grovepi-mqtt-node-red-dashboard/23797)

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**Author:** [@Gilberto](https://discourse.nodered.org/u/Gilberto)\
**Replies:** 1\
**Last updated:** [29 March 2020 07:29 UTC](https://discourse.nodered.org/t/grovepi-mqtt-node-red-dashboard/23797 "2020-03-29T07:29:45Z")

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Hi, I am a beginner and I have some sensors grovepi sensors reading data and sending to mqtt. The data is sent as Json (if I am understanding this right) Then I am trying to get for example the brightness data to be di…

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## [Looking for advice on how to](https://discourse.nodered.org/t/looking-for-advice-on-how-to/23738)

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**Author:** [@shuri1](https://discourse.nodered.org/u/shuri1)\
**Replies:** 3\
**Last updated:** [29 March 2020 07:04 UTC](https://discourse.nodered.org/t/looking-for-advice-on-how-to/23738 "2020-03-29T07:04:50Z")

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I'm being asked to build an app on a multitech conduit using node red. It needs to do the following: Receive Lora messages Send them off to a web service If the send fails, resend.....without ever losing a msg #1 an…

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## [Values from different sources to a display](https://discourse.nodered.org/t/values-from-different-sources-to-a-display/23749)

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**Author:** [@ajaymccollum](https://discourse.nodered.org/u/ajaymccollum)\
**Replies:** 9\
**Last updated:** [28 March 2020 21:14 UTC](https://discourse.nodered.org/t/values-from-different-sources-to-a-display/23749 "2020-03-28T21:14:25Z")

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I'm trying to display the values coming from two ds18b20 probes on an lcd1602. The node I'm using for the display is the node-red-contrib-lcd20x4-i2c, which looks for a message in this format: msg.payload = { msgs: …

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## [Work with message](https://discourse.nodered.org/t/work-with-message/23768)

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**Author:** [@smaeelnakhaee](https://discourse.nodered.org/u/smaeelnakhaee)\
**Replies:** 4\
**Last updated:** [28 March 2020 19:38 UTC](https://discourse.nodered.org/t/work-with-message/23768 "2020-03-28T19:38:03Z")

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Hello friends How do I use a received fixed message that is always one to turn a switch on and off? That is, when the number is received, if the switch is off,turn it on, and if it is on turn it to off, please advise me…

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## [New heating project idea: opinions sought](https://discourse.nodered.org/t/new-heating-project-idea-opinions-sought/23784)

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**Author:** [@Surefire01](https://discourse.nodered.org/u/Surefire01)\
**Replies:** 11\
**Last updated:** [28 March 2020 18:41 UTC](https://discourse.nodered.org/t/new-heating-project-idea-opinions-sought/23784 "2020-03-28T18:41:03Z")

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So here are my thoughts: I wanted to build a nest like controller for my heating system. Did a lot of reading and purchased a Raspberry Pi 4 and Sonoff TH16 smart switch with temperature and humidity sensor. Watched a fe…

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## [Error of installing some nodes on the node red](https://discourse.nodered.org/t/error-of-installing-some-nodes-on-the-node-red/23772)

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**Author:** [@Ahd](https://discourse.nodered.org/u/Ahd)\
**Replies:** 5\
**Last updated:** [28 March 2020 17:36 UTC](https://discourse.nodered.org/t/error-of-installing-some-nodes-on-the-node-red/23772 "2020-03-28T17:36:23Z")

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Hi everyone, I hope all of are you doing well. I am working on the IBM node-red. I just wanted to install UI\_table nodes and others but each time I search them and click install it shown me error as shown in the image …

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## [Boolean Logic Ultimate only arrive 1 Topic](https://discourse.nodered.org/t/boolean-logic-ultimate-only-arrive-1-topic/23778)

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**Author:** [@mimk97](https://discourse.nodered.org/u/mimk97)\
**Replies:** 11\
**Last updated:** [28 March 2020 13:27 UTC](https://discourse.nodered.org/t/boolean-logic-ultimate-only-arrive-1-topic/23778 "2020-03-28T13:27:08Z")

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Hi, could someone tell me why Boolean Logic Ultimate receive only 1 Topic?

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## [Not able to see newly created node in UI's Palate](https://discourse.nodered.org/t/not-able-to-see-newly-created-node-in-uis-palate/23782)

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**Author:** [@RavinderSingh13](https://discourse.nodered.org/u/RavinderSingh13)\
**Replies:** 4\
**Last updated:** [28 March 2020 13:15 UTC](https://discourse.nodered.org/t/not-able-to-see-newly-created-node-in-uis-palate/23782 "2020-03-28T13:15:47Z")

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Hello All, Greetings!! I am going through link https://nodered.org/docs/creating-nodes/first-node and trying to create my first custom node here. Steps I followed are: 1- Created a new directory named "custom\_modules"…

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## [Editor Theme css not working (solved)](https://discourse.nodered.org/t/editor-theme-css-not-working-solved/1355)

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**Author:** [@Dr.legendaddy](https://discourse.nodered.org/u/Dr.legendaddy)\
**Replies:** 11\
**Last updated:** [28 March 2020 12:23 UTC](https://discourse.nodered.org/t/editor-theme-css-not-working-solved/1355 "2020-03-28T12:23:36Z")

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Hello erverybody! I’m trying to add a custom css as described is the docs here: https://nodered.org/docs/configuration The favicon and title are working but the css doesnt change antyhing. editorTheme: { page: { …

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## [Multiple topics / output](https://discourse.nodered.org/t/multiple-topics-output/23751)

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**Author:** [@Secundus](https://discourse.nodered.org/u/Secundus)\
**Replies:** 3\
**Last updated:** [28 March 2020 12:22 UTC](https://discourse.nodered.org/t/multiple-topics-output/23751 "2020-03-28T12:22:09Z")

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Hello everybody; I've got a no-doubt very newbie question. I have a sensor, which gives off a hex string as being the payload. So far I've been able to extract -within a function node- the data, put it in variables and…

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## [Using Oauth to receive a token](https://discourse.nodered.org/t/using-oauth-to-receive-a-token/23759)

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**Author:** [@coasterguru](https://discourse.nodered.org/u/coasterguru)\
**Replies:** 1\
**Last updated:** [28 March 2020 10:56 UTC](https://discourse.nodered.org/t/using-oauth-to-receive-a-token/23759 "2020-03-28T10:56:17Z")

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Trying to setup a query to PureCloud api using OAuth. Can't figure out how to turn this nodejs tutorial (below) into something NodeRed can understand and use. Any advice? var http = require("http"); var express = requi…

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## [Delay loop and reset](https://discourse.nodered.org/t/delay-loop-and-reset/14752)

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**Author:** [@Pisti](https://discourse.nodered.org/u/Pisti)\
**Replies:** 10\
**Last updated:** [28 March 2020 10:53 UTC](https://discourse.nodered.org/t/delay-loop-and-reset/14752 "2020-03-28T10:53:40Z")

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Hello Guys! I hope I am at the right place. I try to make a delay and loop. I have magnetic door lock with a door status sensor. I have mqtt message coming in saying "Door Opened" msg1 or "Door Closed" msg2 What I wish t…

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## [Connecting to Google Cloud via Node-Red](https://discourse.nodered.org/t/connecting-to-google-cloud-via-node-red/23767)

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**Author:** [@sahebdatta](https://discourse.nodered.org/u/sahebdatta)\
**Replies:** 1\
**Last updated:** [28 March 2020 10:30 UTC](https://discourse.nodered.org/t/connecting-to-google-cloud-via-node-red/23767 "2020-03-28T10:30:33Z")

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Dear All, I am using Raspberry Pi to connect to Google Cloud via Node-Red. I have installed the palette node-red-contrib-google-cloud and the installation was successful. now I am trying to use the node pubsub. After en…

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## [\[W10\] Does anybody got problem with exec with NSSM?](https://discourse.nodered.org/t/w10-does-anybody-got-problem-with-exec-with-nssm/23771)

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**Author:** [@pagkly](https://discourse.nodered.org/u/pagkly)\
**Replies:** 7\
**Last updated:** [28 March 2020 10:29 UTC](https://discourse.nodered.org/t/w10-does-anybody-got-problem-with-exec-with-nssm/23771 "2020-03-28T10:29:16Z")

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I have been trying to run exec command but it does not work if I start node-red with NSSM on W10. However, it works if I start node-red manually.

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## [Exec Node bash command "Not authorized to control networking"](https://discourse.nodered.org/t/exec-node-bash-command-not-authorized-to-control-networking/23415)

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**Author:** [@Gill](https://discourse.nodered.org/u/Gill)\
**Replies:** 15\
**Last updated:** [28 March 2020 09:03 UTC](https://discourse.nodered.org/t/exec-node-bash-command-not-authorized-to-control-networking/23415 "2020-03-28T09:03:44Z")

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Hello together, I am new so please apologize if this is not the right thread to place my question. I am trying to switch on my VPN Connection via the Exec-Node with following command: nmcli con up id vpnname This wor…

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## [Two buttons activation](https://discourse.nodered.org/t/two-buttons-activation/23757)

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**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 6\
**Last updated:** [28 March 2020 08:53 UTC](https://discourse.nodered.org/t/two-buttons-activation/23757 "2020-03-28T08:53:14Z")

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Hi, I've a switch which generates a payload 'on' when ON and 'off' when OFF. Then I've a button which generates a topic 'turnon' when clicked. The two get together into a function shown below. The idea is that the fu…

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## [Regarding "Credentials could not be decrypted" error](https://discourse.nodered.org/t/regarding-credentials-could-not-be-decrypted-error/23765)

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**Author:** [@RavinderSingh13](https://discourse.nodered.org/u/RavinderSingh13)\
**Replies:** 1\
**Last updated:** [28 March 2020 05:30 UTC](https://discourse.nodered.org/t/regarding-credentials-could-not-be-decrypted-error/23765 "2020-03-28T05:30:04Z")

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Hello All, I have installed anew module named "node-red-contrib-uibuilder" and after that I started getting error like: Credentials could not be decrypted The flow credential file is encrypted, but the project's encryp…

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## [Where are the node-red modules located?](https://discourse.nodered.org/t/where-are-the-node-red-modules-located/23744)

<div class="topic-metadata">

**Author:** [@pagkly](https://discourse.nodered.org/u/pagkly)\
**Replies:** 8\
**Last updated:** [28 March 2020 04:59 UTC](https://discourse.nodered.org/t/where-are-the-node-red-modules-located/23744 "2020-03-28T04:59:04Z")

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Hi, I want to know the directory of node-red modules installed from the palette for backup.

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