# Latest

**URL:** https://discourse.nodered.org/latest.md?page=939

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

**Page:** 940

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## [Websocket ETIMEOUT errors](https://discourse.nodered.org/t/websocket-etimeout-errors/36916)

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**Author:** [@ScottJ2505](https://discourse.nodered.org/u/ScottJ2505)\
**Replies:** 2\
**Last updated:** [4 December 2020 13:24 UTC](https://discourse.nodered.org/t/websocket-etimeout-errors/36916 "2020-12-04T13:24:17Z")

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Hello, I am hoping someone can assist me in resolving the following connect errors being thrown in the Node-Red console. Dec 15:34:19 - \[warn\] \[deconz-server:zigbee-temp-sensor\] WebSocket error: Error: connect ETIMEDOU…

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## [Serial port in LoRa config](https://discourse.nodered.org/t/serial-port-in-lora-config/36999)

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**Author:** [@m.zendedel75](https://discourse.nodered.org/u/m.zendedel75)\
**Replies:** 0\
**Last updated:** [4 December 2020 13:18 UTC](https://discourse.nodered.org/t/serial-port-in-lora-config/36999 "2020-12-04T13:18:44Z")

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Hi every body, in LoRa TX and RX config window, what things must enter at serial port field ...? after deploy flow, display error Error ocurred, see console for details. \[error\] \[lorawan-rx:d586764b.ba50d8\] Error ocur…

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## [Missing node type sqlitedb](https://discourse.nodered.org/t/missing-node-type-sqlitedb/36984)

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**Author:** [@dcaccount](https://discourse.nodered.org/u/dcaccount)\
**Replies:** 9\
**Last updated:** [4 December 2020 12:14 UTC](https://discourse.nodered.org/t/missing-node-type-sqlitedb/36984 "2020-12-04T12:14:43Z")

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Hello, I have installed in my Raspberry pi 4 node-red-node-sqlite from within Node-Red palette manager and I have the following error: When I check the palette, it shows: How can I solve it? Please advise. Thanks…

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## [Issues with Watson Assistant V2 node not returning consistent msg objects](https://discourse.nodered.org/t/issues-with-watson-assistant-v2-node-not-returning-consistent-msg-objects/36989)

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**Author:** [@Andy0692](https://discourse.nodered.org/u/Andy0692)\
**Replies:** 0\
**Last updated:** [4 December 2020 11:10 UTC](https://discourse.nodered.org/t/issues-with-watson-assistant-v2-node-not-returning-consistent-msg-objects/36989 "2020-12-04T11:10:41Z")

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I am currently creating a recipe suggestion chatbot using Watson Assistant. I have the bot connected to Telegram, which then connects to the Assistant V2 node. The output of the Assistant is checked and either goes to a…

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## [Node red contrib amazon echo - Can it know the on/off state?](https://discourse.nodered.org/t/node-red-contrib-amazon-echo-can-it-know-the-on-off-state/36985)

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**Author:** [@Wingnut](https://discourse.nodered.org/u/Wingnut)\
**Replies:** 0\
**Last updated:** [4 December 2020 10:36 UTC](https://discourse.nodered.org/t/node-red-contrib-amazon-echo-can-it-know-the-on-off-state/36985 "2020-12-04T10:36:09Z")

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Is there any way of telling a Device Node what the state of the On/Off switch is? I've set it up so I can say "turn the heating on", or do it from the switch on the phone app. But since I can turn the heating on from th…

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## [Cannot connect to DS18B20](https://discourse.nodered.org/t/cannot-connect-to-ds18b20/36852)

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**Author:** [@Ki-va](https://discourse.nodered.org/u/Ki-va)\
**Replies:** 12\
**Last updated:** [4 December 2020 09:25 UTC](https://discourse.nodered.org/t/cannot-connect-to-ds18b20/36852 "2020-12-04T09:25:28Z")

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hi, I've connected a DS18B20 sensor to my RPi 3. i made sure that the 1 wire is enabled on the Pi. I've tried the following nodes: node-red-contrib-ds18b20 ver. 0.0.3 node-red-contrib-ds18b20-sensor ver. 1.3.6 node…

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## [2-dimensional arrays](https://discourse.nodered.org/t/2-dimensional-arrays/36973)

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**Author:** [@alexander77](https://discourse.nodered.org/u/alexander77)\
**Replies:** 3\
**Last updated:** [4 December 2020 07:42 UTC](https://discourse.nodered.org/t/2-dimensional-arrays/36973 "2020-12-04T07:42:59Z")

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Hi, i try to generate a 2 dimensional arrya (10 rows, 20 columns) and initialize them with data within nested for loops. My problem is: i cannot find the correct syntax to get it working. www.w3schools.com has no examp…

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## [Problem with environment variables in](https://discourse.nodered.org/t/problem-with-environment-variables-in/36977)

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**Author:** [@splaza](https://discourse.nodered.org/u/splaza)\
**Replies:** 0\
**Last updated:** [4 December 2020 07:23 UTC](https://discourse.nodered.org/t/problem-with-environment-variables-in/36977 "2020-12-04T07:23:13Z")

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Hi everyone, I am working on a subflow with an output influxdb node. The situation is the following, I generate an environment variable to configure different databases. I deploy and everything works, but if I deploy ag…

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## [\[0.7.1\] Node-RED Client Editor app update: WYSIWYG Dashboard Editor (30 Nov)](https://discourse.nodered.org/t/0-7-1-node-red-client-editor-app-update-wysiwyg-dashboard-editor-30-nov/36308)

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**Author:** [@linhtranvu](https://discourse.nodered.org/u/linhtranvu)\
**Replies:** 13\
**Last updated:** [4 December 2020 02:31 UTC](https://discourse.nodered.org/t/0-7-1-node-red-client-editor-app-update-wysiwyg-dashboard-editor-30-nov/36308 "2020-12-04T02:31:51Z")

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I decide to develope a mobile app for Node RED, support Dashboard and Admin automatically login and native features: background location tracking, push notification, voice command, mqtt client, wysiwyg editor... This…

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## [A "simple" CSS position issue?](https://discourse.nodered.org/t/a-simple-css-position-issue/36955)

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**Author:** [@SmudgeMarxUK](https://discourse.nodered.org/u/SmudgeMarxUK)\
**Replies:** 3\
**Last updated:** [4 December 2020 04:11 UTC](https://discourse.nodered.org/t/a-simple-css-position-issue/36955 "2020-12-04T04:11:02Z")

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Putting out an SOS on an frustrating issue i'm having with the UI Template & positioning my groups. Here's the flow: \[{"id":"3e588bb4.6427e4","type":"ui\_template","z":"37005b7e.7f759c","group":"a59619e6.127c48","name":…

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## [\[ADVICE\] NR -100% memory use & lockup (reboot usually req'd)](https://discourse.nodered.org/t/advice-nr-100-memory-use-lockup-reboot-usually-reqd/36968)

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**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\
**Replies:** 3\
**Last updated:** [3 December 2020 23:18 UTC](https://discourse.nodered.org/t/advice-nr-100-memory-use-lockup-reboot-usually-reqd/36968 "2020-12-03T23:18:05Z")

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After numerous encounters with having Node Red freeze (or the appearance thereof) and having not the faintest idea as to why, yet spending hour upon hours trying to resolve it, I thought I'd write this up in the hopes th…

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## [Node Red Raspberry Pi 4 eQ3 Bluetooth](https://discourse.nodered.org/t/node-red-raspberry-pi-4-eq3-bluetooth/36971)

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**Author:** [@maciekelga](https://discourse.nodered.org/u/maciekelga)\
**Replies:** 0\
**Last updated:** [3 December 2020 22:02 UTC](https://discourse.nodered.org/t/node-red-raspberry-pi-4-eq3-bluetooth/36971 "2020-12-03T22:02:16Z")

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Hi, I want to control my eQ3 bluetooth radiator valves. Is it a way to control them by Node Red? Maybe somebody have some example of flow? Maciej

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## [Dashboard buttons easy colour state change?](https://discourse.nodered.org/t/dashboard-buttons-easy-colour-state-change/36645)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 54\
**Last updated:** [3 December 2020 21:36 UTC](https://discourse.nodered.org/t/dashboard-buttons-easy-colour-state-change/36645 "2020-12-03T21:36:24Z")

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Here is the dashboard for my home control. Most of my items have states on, off or auto, some have colour change.In order to show the current state which may have ben set by a button touch in the dashboard or may have be…

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## [Allen Bradley PLC variable](https://discourse.nodered.org/t/allen-bradley-plc-variable/36576)

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**Author:** [@ChrisWeb71](https://discourse.nodered.org/u/ChrisWeb71)\
**Replies:** 5\
**Last updated:** [3 December 2020 20:42 UTC](https://discourse.nodered.org/t/allen-bradley-plc-variable/36576 "2020-12-03T20:42:59Z")

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Hello, I have the following problem I get values from an Allen Bradley PLC. If I want to use several variables in one function at the same time, it usually works like this: this is output: msg.payload = 22 msg.topic…

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## [Timer counts to a label](https://discourse.nodered.org/t/timer-counts-to-a-label/36921)

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**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\
**Replies:** 12\
**Last updated:** [3 December 2020 20:56 UTC](https://discourse.nodered.org/t/timer-counts-to-a-label/36921 "2020-12-03T20:56:22Z")

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Sounds simple but I'm struggling. I need to monitor an event that lasts ~ 20 seconds and output that to a label on the UI.There are literally dozens of "countdown" timer nodes that have set values, but nothing (apparent)…

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## [Configure Node properties of a Subflow](https://discourse.nodered.org/t/configure-node-properties-of-a-subflow/36049)

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**Author:** [@thewilli](https://discourse.nodered.org/u/thewilli)\
**Replies:** 3\
**Last updated:** [3 December 2020 20:05 UTC](https://discourse.nodered.org/t/configure-node-properties-of-a-subflow/36049 "2020-12-03T20:05:35Z")

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Hi! I am using node-red-contrib-alexa-remote2 to control my Alexa Echo and connected Smart Home devices as a first useful way to explore Node-RED. It provices a Node (amongst others) to control a single Smart Home devic…

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## [Change font & color inside widget?](https://discourse.nodered.org/t/change-font-color-inside-widget/10683)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 17\
**Last updated:** [3 December 2020 19:13 UTC](https://discourse.nodered.org/t/change-font-color-inside-widget/10683 "2020-12-03T19:13:58Z")

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Hi all, i tried to change Font , color, of the data displayed inside a widget . Sometime it's working , sometime not . The "Label" is displayed in Small Grey Color = good ! BUT the "Value format" not ! I know it…

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## [Simple API Post to update variable](https://discourse.nodered.org/t/simple-api-post-to-update-variable/36962)

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**Author:** [@SeRiusRod](https://discourse.nodered.org/u/SeRiusRod)\
**Replies:** 1\
**Last updated:** [3 December 2020 19:05 UTC](https://discourse.nodered.org/t/simple-api-post-to-update-variable/36962 "2020-12-03T19:05:20Z")

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I want to update a flow context variable through an external API call. For this I used the Http In node configured as \[POST\] for /myapi/myvar. Then I launch a curl call like: curl http://myserver:1880/myapi/myvar -d "m…

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## [Dashboard upload in the Internet](https://discourse.nodered.org/t/dashboard-upload-in-the-internet/36947)

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**Author:** [@nuiler](https://discourse.nodered.org/u/nuiler)\
**Replies:** 4\
**Last updated:** [3 December 2020 18:42 UTC](https://discourse.nodered.org/t/dashboard-upload-in-the-internet/36947 "2020-12-03T18:42:45Z")

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there is a possibility to integrate certain dashboard pages into an own website on the internet - upload.

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## [Possible to get push notifications from the forum via a homescreen shortcut?](https://discourse.nodered.org/t/possible-to-get-push-notifications-from-the-forum-via-a-homescreen-shortcut/36950)

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**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 1\
**Last updated:** [3 December 2020 14:49 UTC](https://discourse.nodered.org/t/possible-to-get-push-notifications-from-the-forum-via-a-homescreen-shortcut/36950 "2020-12-03T14:49:30Z")

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I solved 1 issue recently WRT creating an iOS homescreen shortcut for this forum. I wanted the shortcut to go directly to u/hepcat72/activity/topics, but the added shortcut was always going to root. I learned that if you…

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## [Setting config node attribs from flow](https://discourse.nodered.org/t/setting-config-node-attribs-from-flow/35725)

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**Author:** [@Mech](https://discourse.nodered.org/u/Mech)\
**Replies:** 1\
**Last updated:** [3 December 2020 15:42 UTC](https://discourse.nodered.org/t/setting-config-node-attribs-from-flow/35725 "2020-12-03T15:42:05Z")

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Good morning everyone, I'm trying to use environmental variables to set variables in nodes included in a subflow. This works fine for the following flow: \[{"id":"7abc9241.f6146c","type":"subflow","name":"CSV to table"…

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## [Node-red-contrib-s7 broken after 3.0.0 update](https://discourse.nodered.org/t/node-red-contrib-s7-broken-after-3-0-0-update/36855)

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**Author:** [@OriolFM](https://discourse.nodered.org/u/OriolFM)\
**Replies:** 5\
**Last updated:** [3 December 2020 15:37 UTC](https://discourse.nodered.org/t/node-red-contrib-s7-broken-after-3-0-0-update/36855 "2020-12-03T15:37:24Z")

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I have a big application in which I read from 30+ Siemens S1200 PLCs using the S7 node, version 2.2.1. Today, I saw the update to 3.0.0, and clicked on it. After rebooting, every single machine was broken, saying there…

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## [Using Credentials variables in subflows](https://discourse.nodered.org/t/using-credentials-variables-in-subflows/36637)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 1\
**Last updated:** [3 December 2020 15:25 UTC](https://discourse.nodered.org/t/using-credentials-variables-in-subflows/36637 "2020-12-03T15:25:11Z")

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I am using an http request node in a subflow. It requires basic authorisation with an API key as the username. I have declared a subflow property of credentials type called APIKey and in the request node in the subflow…

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## [Guidance on evaluating several inputs to one process](https://discourse.nodered.org/t/guidance-on-evaluating-several-inputs-to-one-process/36854)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 11\
**Last updated:** [3 December 2020 15:07 UTC](https://discourse.nodered.org/t/guidance-on-evaluating-several-inputs-to-one-process/36854 "2020-12-03T15:07:11Z")

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Hi all, I'm looking for some guidance/best practice when evaluating several similar inputs. I have thee Luminance level inputs (2no Zigbee & 1 Wifi) lux meters. I use the Lux level to trigger or influence flows for suc…

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## [Mqtt broker on odroid](https://discourse.nodered.org/t/mqtt-broker-on-odroid/36766)

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**Author:** [@yawstick1](https://discourse.nodered.org/u/yawstick1)\
**Replies:** 4\
**Last updated:** [3 December 2020 14:50 UTC](https://discourse.nodered.org/t/mqtt-broker-on-odroid/36766 "2020-12-03T14:50:04Z")

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I just got one of the odroid n2+ boards and installed node red on it. it appears there are some issues with installing the MQTT broker. Curious if anyone else has got this going

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## [Sinumerik840D PN](https://discourse.nodered.org/t/sinumerik840d-pn/36863)

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**Author:** [@DaveMou](https://discourse.nodered.org/u/DaveMou)\
**Replies:** 1\
**Last updated:** [3 December 2020 14:34 UTC](https://discourse.nodered.org/t/sinumerik840d-pn/36863 "2020-12-03T14:34:26Z")

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Dear colleagues, Has someone communicated with Sinumerik 840D via profinet with S7 nodes? Is it possible? Thank you

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## [Trainspotting with Node-RED](https://discourse.nodered.org/t/trainspotting-with-node-red/36508)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 3\
**Last updated:** [3 December 2020 10:45 UTC](https://discourse.nodered.org/t/trainspotting-with-node-red/36508 "2020-12-03T10:45:36Z")

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As my IoT Club is currently suspended, due to the Covid pandemic, I've written this tutorial so my students (who own a Raspberry Pi) can try out a Node-RED project at home. No extra hardware is needed. The project shoul…

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## [What language for function node?](https://discourse.nodered.org/t/what-language-for-function-node/36894)

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**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\
**Replies:** 6\
**Last updated:** [3 December 2020 14:11 UTC](https://discourse.nodered.org/t/what-language-for-function-node/36894 "2020-12-03T14:11:57Z")

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Sounds like a stupid question, but I'm new to all this. When trying to figure out how to write "code" within a function node, I look primarily for examples in Java & JS, yet 99% of these "cut and paste" codes throws a fi…

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## [Exec node with dynamic filename](https://discourse.nodered.org/t/exec-node-with-dynamic-filename/36887)

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**Author:** [@landersson936](https://discourse.nodered.org/u/landersson936)\
**Replies:** 4\
**Last updated:** [3 December 2020 14:02 UTC](https://discourse.nodered.org/t/exec-node-with-dynamic-filename/36887 "2020-12-03T14:02:08Z")

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I can copy a file fine using the copy command in the Exec node, but is there a way the filenames could be based on a payload variable?

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## [Config node acting like it's not set up when it is](https://discourse.nodered.org/t/config-node-acting-like-its-not-set-up-when-it-is/36948)

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**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 0\
**Last updated:** [3 December 2020 13:46 UTC](https://discourse.nodered.org/t/config-node-acting-like-its-not-set-up-when-it-is/36948 "2020-12-03T13:46:07Z")

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So I'm pretty happy with my first node project (a fork of a node to produce my Life360 node), but there's a minor issue that I'm rather stumped how to solve. It is described at length here: but in short: User instal…

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