# Latest **URL:** https://discourse.nodered.org/latest.md?page=814 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 815 --- ## [Combining multiple entity values from HA to form an email message body](https://discourse.nodered.org/t/combining-multiple-entity-values-from-ha-to-form-an-email-message-body/45754)
**Author:** [@grahams](https://discourse.nodered.org/u/grahams)\ **Replies:** 5\ **Last updated:** [17 May 2021 23:42 UTC](https://discourse.nodered.org/t/combining-multiple-entity-values-from-ha-to-form-an-email-message-body/45754 "2021-05-17T23:42:06Z")
Hi all, I’m new to Node-RED, using it on the Home Assistant platform which I’m also fairly new to. Since HA has exposed my printer’s toner cartridge levels as entities I thought a nice first Node-RED project would be to … --- ## [Dropdown node cuts a "0" at the end](https://discourse.nodered.org/t/dropdown-node-cuts-a-0-at-the-end/45454)
**Author:** [@tim26](https://discourse.nodered.org/u/tim26)\ **Replies:** 22\ **Last updated:** [17 May 2021 21:22 UTC](https://discourse.nodered.org/t/dropdown-node-cuts-a-0-at-the-end/45454 "2021-05-17T21:22:18Z")
Hi, I'm new to node red and maybe someone can help me with my dropdown node. I have a query to a mysql database where I select article numbers. The delivered data is an array. The article numbers look e.g. like 44700.… --- ## [Uibuilder how to switch between production and development mode in vueJS](https://discourse.nodered.org/t/uibuilder-how-to-switch-between-production-and-development-mode-in-vuejs/45792)
**Author:** [@maxkremmel](https://discourse.nodered.org/u/maxkremmel)\ **Replies:** 3\ **Last updated:** [17 May 2021 20:20 UTC](https://discourse.nodered.org/t/uibuilder-how-to-switch-between-production-and-development-mode-in-vuejs/45792 "2021-05-17T20:20:07Z")
The title basically describes my problem. I don't know how to switch between production and development environment. Thx for your help Max --- ## [Cant start NR - crashes on start](https://discourse.nodered.org/t/cant-start-nr-crashes-on-start/45738)
**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\ **Replies:** 8\ **Last updated:** [17 May 2021 19:12 UTC](https://discourse.nodered.org/t/cant-start-nr-crashes-on-start/45738 "2021-05-17T19:12:46Z")
On boot nr crashes. Really no idea how or what to do The logs tells me this: \<--- Last few GCs ---\> re\[1154:0x3f2e448\] 43468 ms: Mark-sweep 279.9 (282.5) -\> 279.8 (282.5) MB, 62.0 / 0.0 ms (+ 5.8 ms in 1 steps sin… --- ## [Neato D7 connected](https://discourse.nodered.org/t/neato-d7-connected/44733)
**Author:** [@JeroenKokhuis](https://discourse.nodered.org/u/JeroenKokhuis)\ **Replies:** 1\ **Last updated:** [17 May 2021 17:41 UTC](https://discourse.nodered.org/t/neato-d7-connected/44733 "2021-05-17T17:41:19Z")
I'm trying to create a widget for the D7 cleaner but I can't figure out how to: Show the last cleaning map Show the state Add commands for cleaning a zone Does anyone already have a widget so I can learn from that? I… --- ## [How to repeat a flow based on an array of objetcts](https://discourse.nodered.org/t/how-to-repeat-a-flow-based-on-an-array-of-objetcts/45749)
**Author:** [@ndz](https://discourse.nodered.org/u/ndz)\ **Replies:** 7\ **Last updated:** [17 May 2021 16:24 UTC](https://discourse.nodered.org/t/how-to-repeat-a-flow-based-on-an-array-of-objetcts/45749 "2021-05-17T16:24:21Z")
Hi, I'm new to node red and i got this project where a need to repeat a flow that does 3 http requests and save information from then. in the moment my flow is this one in the moment i have this on my template node: … --- ## [Using https & http from the dashboard](https://discourse.nodered.org/t/using-https-http-from-the-dashboard/45744)
**Author:** [@ncherry](https://discourse.nodered.org/u/ncherry)\ **Replies:** 9\ **Last updated:** [17 May 2021 15:55 UTC](https://discourse.nodered.org/t/using-https-http-from-the-dashboard/45744 "2021-05-17T15:55:19Z")
Okay my brain is mush. I've created a local DNS, a local Certificate Authority. Now that I can secure the local ssl/tls and update at a regular intervals (ACME). But the change from http to https is fraught with problems… --- ## [Automatic switch dashboard tab](https://discourse.nodered.org/t/automatic-switch-dashboard-tab/45791)
**Author:** [@radjesth](https://discourse.nodered.org/u/radjesth)\ **Replies:** 2\ **Last updated:** [17 May 2021 15:39 UTC](https://discourse.nodered.org/t/automatic-switch-dashboard-tab/45791 "2021-05-17T15:39:13Z")
I have a payload payload: "true" I want to check it with a switch to control a template for switching to another tab of my dashboard. The switch is like this I made a template with the following code the flow is … --- ## [Ikea remote mit deconz with BooleanLogicUltimate](https://discourse.nodered.org/t/ikea-remote-mit-deconz-with-booleanlogicultimate/45772)
**Author:** [@superpedro](https://discourse.nodered.org/u/superpedro)\ **Replies:** 3\ **Last updated:** [17 May 2021 15:31 UTC](https://discourse.nodered.org/t/ikea-remote-mit-deconz-with-booleanlogicultimate/45772 "2021-05-17T15:31:23Z")
Hi, I´m new with node red and after trying all night long I think it´s time to ask an expert :slight\_smile: I´ve the Ikea remote (the disk) connected via Deconz and integrated in OpenHab 3. Now I want to control a Logi… --- ## [Function multiple output](https://discourse.nodered.org/t/function-multiple-output/45789)
**Author:** [@radjesth](https://discourse.nodered.org/u/radjesth)\ **Replies:** 2\ **Last updated:** [17 May 2021 14:41 UTC](https://discourse.nodered.org/t/function-multiple-output/45789 "2021-05-17T14:41:04Z")
Hello experts I have the following function var x = msg.payload msg2.payload = x, msg2.topic="auth" msg1.notify="auth" return \[msg1 , msg2\]; I have 2 outputs, but I am getting an error for msg2 "ReferenceError: m… --- ## [I need to have node-red accessible via a public IP and in the cloud](https://discourse.nodered.org/t/i-need-to-have-node-red-accessible-via-a-public-ip-and-in-the-cloud/45763)
**Author:** [@Alelav79](https://discourse.nodered.org/u/Alelav79)\ **Replies:** 5\ **Last updated:** [17 May 2021 14:28 UTC](https://discourse.nodered.org/t/i-need-to-have-node-red-accessible-via-a-public-ip-and-in-the-cloud/45763 "2021-05-17T14:28:09Z")
Hi all, i have to configurare Node-red on the cloud ( VPS ) . i have a local network with opc ua server. What is the best way to connect Node-red to local server ? I was thinking of a VPN in the local network router. … --- ## [Dashboard toggle button without switch](https://discourse.nodered.org/t/dashboard-toggle-button-without-switch/45777)
**Author:** [@Ranki](https://discourse.nodered.org/u/Ranki)\ **Replies:** 3\ **Last updated:** [17 May 2021 14:20 UTC](https://discourse.nodered.org/t/dashboard-toggle-button-without-switch/45777 "2021-05-17T14:20:51Z")
Hello together, I am trying to build in a button into my dashboard, which should: ... show a status (1 of 3 different possibles) with the according icon. ... provide the possibility to toggle the status and provide a … --- ## [Adding uibuilder to Vue Admin Template](https://discourse.nodered.org/t/adding-uibuilder-to-vue-admin-template/18214)
**Author:** [@stanleyseow](https://discourse.nodered.org/u/stanleyseow)\ **Replies:** 7\ **Last updated:** [17 May 2021 14:15 UTC](https://discourse.nodered.org/t/adding-uibuilder-to-vue-admin-template/18214 "2021-05-17T14:15:03Z")
I found this nice Vue admin template, I was wonder how can I add a few uibuilder pages to this template ... --- ## [Select most recent added x rows from a CSV-file](https://discourse.nodered.org/t/select-most-recent-added-x-rows-from-a-csv-file/45728)
**Author:** [@HaVi](https://discourse.nodered.org/u/HaVi)\ **Replies:** 7\ **Last updated:** [17 May 2021 13:41 UTC](https://discourse.nodered.org/t/select-most-recent-added-x-rows-from-a-csv-file/45728 "2021-05-17T13:41:08Z")
A comma separated CSV file consists of only two columns (datetime, pressure) but many rows. Does anyone know whether it is possible to read only the x most recent measurements from that CSV file? Any help is welcome! --- ## [Invalid JSON string with MQTT node](https://discourse.nodered.org/t/invalid-json-string-with-mqtt-node/45650)
**Author:** [@BGael](https://discourse.nodered.org/u/BGael)\ **Replies:** 25\ **Last updated:** [17 May 2021 13:09 UTC](https://discourse.nodered.org/t/invalid-json-string-with-mqtt-node/45650 "2021-05-17T13:09:18Z")
I am using the "MQTT in" node to retrieve data on a lorawan broker. Data is received in stringBase64 format. I want the node to output a json object. For that I put the option of the node "Output" in "a persed JSON objec… --- ## ["Rpi-gpio in" node sending two messages](https://discourse.nodered.org/t/rpi-gpio-in-node-sending-two-messages/45782)
**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\ **Replies:** 3\ **Last updated:** [17 May 2021 12:58 UTC](https://discourse.nodered.org/t/rpi-gpio-in-node-sending-two-messages/45782 "2021-05-17T12:58:15Z")
Hi there, I am using a Rpi-Gpio-gpio in node. Is it normal that every time the button is pressed (once) the node send two messages with the same topic? {"topic":"pi/36","payload":0,"\_msgid":"ff149870.9f9ff8"} and {"t… --- ## [Flow to link Ikea Trafri Buttons to Tradfri Bulbs](https://discourse.nodered.org/t/flow-to-link-ikea-trafri-buttons-to-tradfri-bulbs/45783)
**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\ **Replies:** 0\ **Last updated:** [17 May 2021 12:45 UTC](https://discourse.nodered.org/t/flow-to-link-ikea-trafri-buttons-to-tradfri-bulbs/45783 "2021-05-17T12:45:18Z")
Hi all, I know that quite a few people are interested in the Ikea Tradfi range of relatively low-cost Zigbee devices. I got a load at the weekend to go with the Zigbee USB dongle I picked up a week or so ago. I wanted t… --- ## [Multiple environments and CI for NodeRed](https://discourse.nodered.org/t/multiple-environments-and-ci-for-nodered/45522)
**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\ **Replies:** 5\ **Last updated:** [17 May 2021 11:34 UTC](https://discourse.nodered.org/t/multiple-environments-and-ci-for-nodered/45522 "2021-05-17T11:34:19Z")
Hi all! I want to know if it is possible and how to have multiple NodeRed environments (in separated vms or machines) and how to have a CI (continous integration) kinda evironment. Please avoid any Github integration be… --- ## [Ui\_table filter by date](https://discourse.nodered.org/t/ui-table-filter-by-date/45482)
**Author:** [@mc3153](https://discourse.nodered.org/u/mc3153)\ **Replies:** 9\ **Last updated:** [17 May 2021 10:57 UTC](https://discourse.nodered.org/t/ui-table-filter-by-date/45482 "2021-05-17T10:57:14Z")
Hello, I am having troubles with filtering date in ui\_table: I am showing date as DD.MM.YY HH:mm:ss. The problem is that when I filter by date, the dates with the lowest day number comes first ( 02.05.2021 will come be… --- ## [Themes cause errors. UI not reachable](https://discourse.nodered.org/t/themes-cause-errors-ui-not-reachable/45764)
**Author:** [@TotallyFred](https://discourse.nodered.org/u/TotallyFred)\ **Replies:** 2\ **Last updated:** [17 May 2021 08:54 UTC](https://discourse.nodered.org/t/themes-cause-errors-ui-not-reachable/45764 "2021-05-17T08:54:54Z")
Hi, I installed NR v.1.3.4 on a Debian 10. Then installed NR themes from GitHub - node-red-contrib-themes/theme-collection: Collection of Node-RED themes published by the Node-RED Contrib Themes team by issuing npm inst… --- ## [Save flow id to database](https://discourse.nodered.org/t/save-flow-id-to-database/45730)
**Author:** [@HoangTai](https://discourse.nodered.org/u/HoangTai)\ **Replies:** 3\ **Last updated:** [17 May 2021 08:44 UTC](https://discourse.nodered.org/t/save-flow-id-to-database/45730 "2021-05-17T08:44:36Z")
Hello everyone, i 'm newbie at node-red. I have a task to save flow id to database, can anyone help me !!! --- ## [Time out - error out of memory](https://discourse.nodered.org/t/time-out-error-out-of-memory/45332)
**Author:** [@Hubertus](https://discourse.nodered.org/u/Hubertus)\ **Replies:** 9\ **Last updated:** [17 May 2021 06:25 UTC](https://discourse.nodered.org/t/time-out-error-out-of-memory/45332 "2021-05-17T06:25:07Z")
Hello, I have a dashboard with many tabs and groups. When displaying two tabs (Bad and Buero) it takes quite a long time and then an error message appears in the browser: "Oh no, page cannot be displayed. Error code Out… --- ## [How integrate a Tuya device in HA via MQTT](https://discourse.nodered.org/t/how-integrate-a-tuya-device-in-ha-via-mqtt/45433)
**Author:** [@Topolynx](https://discourse.nodered.org/u/Topolynx)\ **Replies:** 7\ **Last updated:** [17 May 2021 03:20 UTC](https://discourse.nodered.org/t/how-integrate-a-tuya-device-in-ha-via-mqtt/45433 "2021-05-17T03:20:13Z")
Hi. I'm currently using Node Red and that node to control a fan heater that isn't correctly recognized in Home Assistant (lack of controls e.g. fan swing). The author of the node has shared two example flows, and I'm try… --- ## [Pass a time value to Trigger node](https://discourse.nodered.org/t/pass-a-time-value-to-trigger-node/45702)
**Author:** [@daxliniere](https://discourse.nodered.org/u/daxliniere)\ **Replies:** 6\ **Last updated:** [16 May 2021 23:12 UTC](https://discourse.nodered.org/t/pass-a-time-value-to-trigger-node/45702 "2021-05-16T23:12:07Z")
Is it possible to pass a value to a Trigger node to change its delay time? Basically, I need to have a Numeric widget on my dashboard to set a delay time. Then the Trigger node needs to accept that value and change acco… --- ## [Manipulation of a string](https://discourse.nodered.org/t/manipulation-of-a-string/45735)
**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\ **Replies:** 3\ **Last updated:** [16 May 2021 21:34 UTC](https://discourse.nodered.org/t/manipulation-of-a-string/45735 "2021-05-16T21:34:06Z")
Hello I get a payload which contains several pieces of information. As an example in the debug window I get: payload string "ALERT Step 1 RUN shift address 1772784635 74646 7862, ABFF (next line symbol) Step 9 RUN … --- ## [Relpy to TCP -- Trouble responding with a "1"](https://discourse.nodered.org/t/relpy-to-tcp-trouble-responding-with-a-1/45081)
**Author:** [@tremmert](https://discourse.nodered.org/u/tremmert)\ **Replies:** 16\ **Last updated:** [16 May 2021 21:00 UTC](https://discourse.nodered.org/t/relpy-to-tcp-trouble-responding-with-a-1/45081 "2021-05-16T21:00:43Z")
Hello, I am trying to setup a simple flow, but having some issues and can't seem to find enough documentation. I have a device that sends TCP data to my Node Red flow. Immediately after I receive the data, I need to r… --- ## [Help wanted - split payload](https://discourse.nodered.org/t/help-wanted-split-payload/45736)
**Author:** [@radjesth](https://discourse.nodered.org/u/radjesth)\ **Replies:** 8\ **Last updated:** [16 May 2021 20:25 UTC](https://discourse.nodered.org/t/help-wanted-split-payload/45736 "2021-05-16T20:25:26Z")
Hello all experts I have a payload, which I can not seem to split. I have tried several things in the last couple of hours, but nothig seems to work. "{"start\_success":true,"session\_start":{"customer\_id":3,"customers\_… --- ## [IKEA Tradfri - manual overriding node red and Bigtimer](https://discourse.nodered.org/t/ikea-tradfri-manual-overriding-node-red-and-bigtimer/45363)
**Author:** [@MagicGit](https://discourse.nodered.org/u/MagicGit)\ **Replies:** 6\ **Last updated:** [16 May 2021 18:16 UTC](https://discourse.nodered.org/t/ikea-tradfri-manual-overriding-node-red-and-bigtimer/45363 "2021-05-16T18:16:56Z")
I'm installing more and more of the IKEA tradfri range around my home, and recently I have used the Skydrag lighting under my kitchen cabinets, controlled by Node Red using Bigtimer. I have the cabinet lights set to com… --- ## [Enable Node-Red Login Screen](https://discourse.nodered.org/t/enable-node-red-login-screen/45725)
**Author:** [@andrejost](https://discourse.nodered.org/u/andrejost)\ **Replies:** 7\ **Last updated:** [16 May 2021 17:56 UTC](https://discourse.nodered.org/t/enable-node-red-login-screen/45725 "2021-05-16T17:56:07Z")
Hi, I freshly installed a node-red server in my raspberry pi and I wanted to enable authentication. I edited the setting.js to add enable the adminAuth and added the password using the encrypting feature to add the pass… --- ## [Link different building blocks](https://discourse.nodered.org/t/link-different-building-blocks/45723)
**Author:** [@automati](https://discourse.nodered.org/u/automati)\ **Replies:** 2\ **Last updated:** [16 May 2021 16:19 UTC](https://discourse.nodered.org/t/link-different-building-blocks/45723 "2021-05-16T16:19:59Z")
Hello everybody I now have 4 Shellys. 2 connected via MQTT .. if they are switched on or off, an ON or an OFF comes in Nodered. The other 2 Shellys are switched on and off via http request. How do I manage now that if b… [Previous page](https://discourse.nodered.org/latest.md?page=813) [Next page](https://discourse.nodered.org/latest.md?page=815)