# General **URL:** https://discourse.nodered.org/c/general/7.md?page=645 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 646 --- ## [Force LWT when a failure occurs](https://discourse.nodered.org/t/force-lwt-when-a-failure-occurs/36717)
**Author:** [@garybia](https://discourse.nodered.org/u/garybia)\ **Replies:** 2\ **Last updated:** [29 November 2020 17:03 UTC](https://discourse.nodered.org/t/force-lwt-when-a-failure-occurs/36717 "2020-11-29T17:03:57Z")
I have node-red connected to a server (via TCP) that is providing data for several measurement points. Node-red is responsible for translating the data from the server into an MQTT message and sending this to a MQTT ser… --- ## [Heating panel from scratch](https://discourse.nodered.org/t/heating-panel-from-scratch/36269)
**Author:** [@alex88](https://discourse.nodered.org/u/alex88)\ **Replies:** 21\ **Last updated:** [29 November 2020 13:54 UTC](https://discourse.nodered.org/t/heating-panel-from-scratch/36269 "2020-11-29T13:54:47Z")
I've been reading the forum but can't find anyone that has built a complete heating panel from scratch in NR. I'm going to move all my home heating from my Fibaro HC2 to Node RED and TBH I already have a plan on how to … --- ## [Uibuilder with Vue-router](https://discourse.nodered.org/t/uibuilder-with-vue-router/31635)
**Author:** [@UnborN](https://discourse.nodered.org/u/UnborN)\ **Replies:** 15\ **Last updated:** [29 November 2020 13:02 UTC](https://discourse.nodered.org/t/uibuilder-with-vue-router/31635 "2020-11-29T13:02:54Z")
Hi, I would like to start by congratulating the Node-red development team for this excelent tool and @TotallyInformation for developing uibuilder that helps as unlock the full potential of javascript for frontend devel… --- ## [Trigger timestamp output](https://discourse.nodered.org/t/trigger-timestamp-output/36586)
**Author:** [@brainbugfix](https://discourse.nodered.org/u/brainbugfix)\ **Replies:** 8\ **Last updated:** [29 November 2020 10:40 UTC](https://discourse.nodered.org/t/trigger-timestamp-output/36586 "2020-11-29T10:40:32Z")
Hi, is it by intention that the trigger node when configured to send a timestamp when it is triggered and also when the time is over, the time is the same? Since the trigger can be reset, this does not make much sense, … --- ## [Compare .txt files](https://discourse.nodered.org/t/compare-txt-files/36654)
**Author:** [@rand](https://discourse.nodered.org/u/rand)\ **Replies:** 7\ **Last updated:** [29 November 2020 10:30 UTC](https://discourse.nodered.org/t/compare-txt-files/36654 "2020-11-29T10:30:16Z")
Hi, I want to compare 2 .txt file components (so compare the words in the file not if something is missing from a line) every 10 minutes and have the output of the difference displayed to me once the 10 minutes is up. Ho… --- ## [Another way to arrange this flow?](https://discourse.nodered.org/t/another-way-to-arrange-this-flow/36673)
**Author:** [@877](https://discourse.nodered.org/u/877)\ **Replies:** 5\ **Last updated:** [29 November 2020 10:17 UTC](https://discourse.nodered.org/t/another-way-to-arrange-this-flow/36673 "2020-11-29T10:17:14Z")
Hi all, This flow is working, but it feels like there's a simpler way of doing it with nodes (i.e. not a function). I've singled out the payload as the rbe node does not work otherwise, as the payload is constantly cha… --- ## [Pull zwave node parameters?](https://discourse.nodered.org/t/pull-zwave-node-parameters/36705)
**Author:** [@MJS](https://discourse.nodered.org/u/MJS)\ **Replies:** 0\ **Last updated:** [29 November 2020 06:07 UTC](https://discourse.nodered.org/t/pull-zwave-node-parameters/36705 "2020-11-29T06:07:43Z")
Hello! I have Inovelli switches in my home and I'm wanting to run some flows depending on if a certain parameters is set for the switch. I've been looking around and can't figured out how to do it. I've tried using the … --- ## [Need help with comparing RGB values](https://discourse.nodered.org/t/need-help-with-comparing-rgb-values/36671)
**Author:** [@SKA](https://discourse.nodered.org/u/SKA)\ **Replies:** 6\ **Last updated:** [29 November 2020 04:07 UTC](https://discourse.nodered.org/t/need-help-with-comparing-rgb-values/36671 "2020-11-29T04:07:12Z")
I am new to NodeRED. I am trying to create a very simple routine. I am injecting 2 types of RGB values: reading and set RGB values. I am trying to compare the reading RGB values to the actual/expected RGB values and get … --- ## [Needing help with logic in flow to get indications working](https://discourse.nodered.org/t/needing-help-with-logic-in-flow-to-get-indications-working/36659)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 11\ **Last updated:** [29 November 2020 00:34 UTC](https://discourse.nodered.org/t/needing-help-with-logic-in-flow-to-get-indications-working/36659 "2020-11-29T00:34:59Z")
Though the dashboard is used, it is more the mechanics in which I am stuck. There are a lot of foreign nodes (extras). I'll try to include their names. But here's the problem. I have a schedule which has 3 states. I… --- ## [NODE-RED versus?](https://discourse.nodered.org/t/node-red-versus/36611)
**Author:** [@bgengine](https://discourse.nodered.org/u/bgengine)\ **Replies:** 12\ **Last updated:** [28 November 2020 22:40 UTC](https://discourse.nodered.org/t/node-red-versus/36611 "2020-11-28T22:40:42Z")
Hi, Appoligies in advance because these questions may seem a bit simplistic. Backround: I have built a few projects with ESP8266 and arduino that send data to a webserver. I use simple HTML PUT and GET to php pages o… --- ## [Too Many errors 58% scanned waning?](https://discourse.nodered.org/t/too-many-errors-58-scanned-waning/36689)
**Author:** [@bmoel](https://discourse.nodered.org/u/bmoel)\ **Replies:** 4\ **Last updated:** [28 November 2020 21:50 UTC](https://discourse.nodered.org/t/too-many-errors-58-scanned-waning/36689 "2020-11-28T21:50:44Z")
could one you please help me here. I can't figure out why I get this warning? --- ## [mySQL INSERT INTO with multiple msg.xxx failing](https://discourse.nodered.org/t/mysql-insert-into-with-multiple-msg-xxx-failing/36169)
**Author:** [@Tomadoggy](https://discourse.nodered.org/u/Tomadoggy)\ **Replies:** 14\ **Last updated:** [28 November 2020 21:32 UTC](https://discourse.nodered.org/t/mysql-insert-into-with-multiple-msg-xxx-failing/36169 "2020-11-28T21:32:24Z")
Been working on this for several days and have exhausted my abilities and various suggestions via the web and these forums...so thank you in advance for any assistance! Basis: Have 3 MQTT inputs/message payloads In no… --- ## [Variable set meta data](https://discourse.nodered.org/t/variable-set-meta-data/36685)
**Author:** [@StevenJonSmith](https://discourse.nodered.org/u/StevenJonSmith)\ **Replies:** 2\ **Last updated:** [28 November 2020 21:09 UTC](https://discourse.nodered.org/t/variable-set-meta-data/36685 "2020-11-28T21:09:25Z")
Hi, I am using Node-Red for the automation flows on my Hass.io install. When I set a variable I notice that the date and time, of that event, is saved and can be viewed in the side pane. How can I get this detail in a … --- ## [HTTP request node - How to insert a variable in the url path](https://discourse.nodered.org/t/http-request-node-how-to-insert-a-variable-in-the-url-path/36667)
**Author:** [@omalisson](https://discourse.nodered.org/u/omalisson)\ **Replies:** 6\ **Last updated:** [28 November 2020 18:02 UTC](https://discourse.nodered.org/t/http-request-node-how-to-insert-a-variable-in-the-url-path/36667 "2020-11-28T18:02:09Z")
How to insert a variable in the url path Hello guys! I'm trying to build a dashboard for creating dynamic extensions on the asterisk using the REST of the asterisk itself, however the final object of the URL path is th… --- ## [Here are three toggle button questions](https://discourse.nodered.org/t/here-are-three-toggle-button-questions/36676)
**Author:** [@murondo](https://discourse.nodered.org/u/murondo)\ **Replies:** 0\ **Last updated:** [28 November 2020 17:02 UTC](https://discourse.nodered.org/t/here-are-three-toggle-button-questions/36676 "2020-11-28T17:02:19Z")
If you click on the middle button, the signals on both sides will disappear and the buttons on both sides should pop up, so what can I do? \[{"id":"e77202b8.289f","type":"tab","label":"플로우 1","disabled":false,"info":""},… --- ## [Random number for simulate a machine](https://discourse.nodered.org/t/random-number-for-simulate-a-machine/36640)
**Author:** [@Rhum1x56](https://discourse.nodered.org/u/Rhum1x56)\ **Replies:** 13\ **Last updated:** [28 November 2020 16:44 UTC](https://discourse.nodered.org/t/random-number-for-simulate-a-machine/36640 "2020-11-28T16:44:28Z")
Hello, I need help with a school project. I am using an HTML POST to send data to nodered. But after some processing, I have BDD errors I'm looking for how to create a random variable between 1.5 and 4.5 to simulate a … --- ## [Updating outdated components](https://discourse.nodered.org/t/updating-outdated-components/36600)
**Author:** [@Cathprotech](https://discourse.nodered.org/u/Cathprotech)\ **Replies:** 6\ **Last updated:** [28 November 2020 15:20 UTC](https://discourse.nodered.org/t/updating-outdated-components/36600 "2020-11-28T15:20:56Z")
I just read the thread \[MQTT Nodes stopped working\] and used 'npm outdated' to see what is out of date on my system. Seems quite a lot. Question is, how do I update these and do I need to? I cannot remember how I inst… --- ## [Extract data from a JSON structure to be transferred into the table-ui](https://discourse.nodered.org/t/extract-data-from-a-json-structure-to-be-transferred-into-the-table-ui/36588)
**Author:** [@Sep](https://discourse.nodered.org/u/Sep)\ **Replies:** 5\ **Last updated:** [28 November 2020 10:41 UTC](https://discourse.nodered.org/t/extract-data-from-a-json-structure-to-be-transferred-into-the-table-ui/36588 "2020-11-28T10:41:49Z")
Hi, I'm a newbie trying to put data into a table-ui by getting them from a JSON structure like the following. How to generate the array to be submitted to the table node? Thanks in advance for the help. Sep { "time… --- ## [Using the ARROW keys in edit mode](https://discourse.nodered.org/t/using-the-arrow-keys-in-edit-mode/36657)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 10\ **Last updated:** [28 November 2020 10:20 UTC](https://discourse.nodered.org/t/using-the-arrow-keys-in-edit-mode/36657 "2020-11-28T10:20:51Z")
When in EDIT mode (screen) I select nodes and I am sure I used to be able to move them either by dragging them with mouse's LMB held down, or I would move them with the ARROW keys. Suddenly - which is confusing me - whe… --- ## [How can I retrieve IP address from host?](https://discourse.nodered.org/t/how-can-i-retrieve-ip-address-from-host/36660)
**Author:** [@kgalilio](https://discourse.nodered.org/u/kgalilio)\ **Replies:** 4\ **Last updated:** [28 November 2020 09:54 UTC](https://discourse.nodered.org/t/how-can-i-retrieve-ip-address-from-host/36660 "2020-11-28T09:54:05Z")
Hi, I am trying to obtain an IP address from a host. The available Ping nodes does not seem to return the IP address, so I tried the EXEC node with the following command: nslookup myhost.com This worked, but the objec… --- ## [Speaking clock with Rhasspy](https://discourse.nodered.org/t/speaking-clock-with-rhasspy/36651)
**Author:** [@9cirrus](https://discourse.nodered.org/u/9cirrus)\ **Replies:** 3\ **Last updated:** [28 November 2020 08:38 UTC](https://discourse.nodered.org/t/speaking-clock-with-rhasspy/36651 "2020-11-28T08:38:09Z")
Good evening to all. I am home automation user and I discover node red through rhasspy. I am also a beginner in java script. For several weeks I have looking for a proper syntax java script to speech the current time. … --- ## [Looking for way to trigger flow every 3 days at 6am after any reboot](https://discourse.nodered.org/t/looking-for-way-to-trigger-flow-every-3-days-at-6am-after-any-reboot/36653)
**Author:** [@stanwebber](https://discourse.nodered.org/u/stanwebber)\ **Replies:** 3\ **Last updated:** [28 November 2020 01:29 UTC](https://discourse.nodered.org/t/looking-for-way-to-trigger-flow-every-3-days-at-6am-after-any-reboot/36653 "2020-11-28T01:29:17Z")
not really sure what combination of nodes to use for this so i'm hoping someone can point me in the right direction. i'd like to trigger a flow at 6am starting the next day after any reboot (or same day if reboot before… --- ## [Using Input in subflow](https://discourse.nodered.org/t/using-input-in-subflow/36628)
**Author:** [@ckvist72](https://discourse.nodered.org/u/ckvist72)\ **Replies:** 8\ **Last updated:** [27 November 2020 22:49 UTC](https://discourse.nodered.org/t/using-input-in-subflow/36628 "2020-11-27T22:49:17Z")
Hi. I have a problem. - I have made a subflow with one input-port called Entitet. How do i use that value in code, where i build a payload? I have tryed this: msg.payload.data.entity\_id = "{Entitet}"; - But that actualy… --- ## [Error: ER\_TRUNCATED\_WRONG\_VALUE](https://discourse.nodered.org/t/error-er-truncated-wrong-value/36639)
**Author:** [@Rhum1x56](https://discourse.nodered.org/u/Rhum1x56)\ **Replies:** 1\ **Last updated:** [27 November 2020 21:19 UTC](https://discourse.nodered.org/t/error-er-truncated-wrong-value/36639 "2020-11-27T21:19:24Z")
Hello, I need help with a school project. I am using an HTML POST to send data to nodered. But after some processing, I have BDD errors My function : msg.tps = msg.payload; //msg.tps=time seconde (structure BDD type f… --- ## [Sort a payload array into object id's and into a UI](https://discourse.nodered.org/t/sort-a-payload-array-into-object-ids-and-into-a-ui/36582)
**Author:** [@panban-ux](https://discourse.nodered.org/u/panban-ux)\ **Replies:** 11\ **Last updated:** [27 November 2020 20:43 UTC](https://discourse.nodered.org/t/sort-a-payload-array-into-object-ids-and-into-a-ui/36582 "2020-11-27T20:43:20Z")
In short i've got this array \[73,4,75,2,56,2,58,1,57,1,45,1\] and some how i want to manipulate this data into a UI dashboard just to monitor how many times an object appears. In this case 73 is the id in my back end appl… --- ## [Weird GPIO behaviour](https://discourse.nodered.org/t/weird-gpio-behaviour/36635)
**Author:** [@myozone](https://discourse.nodered.org/u/myozone)\ **Replies:** 4\ **Last updated:** [27 November 2020 19:26 UTC](https://discourse.nodered.org/t/weird-gpio-behaviour/36635 "2020-11-27T19:26:35Z")
I have a simple flow to turn on an LED on GPIO 36 (pin 36)OUTPUT it comes from a timer and also a CloudMQTT input, I also have an GPIO input from the same GPIO 36 back out to CloudMQTT as a monitor, the feeds are differ… --- ## [Q-gate - 4 messages in, 3 messages out](https://discourse.nodered.org/t/q-gate-4-messages-in-3-messages-out/36502)
**Author:** [@mudwalker](https://discourse.nodered.org/u/mudwalker)\ **Replies:** 9\ **Last updated:** [27 November 2020 18:31 UTC](https://discourse.nodered.org/t/q-gate-4-messages-in-3-messages-out/36502 "2020-11-27T18:31:54Z")
Good morning, I have been playing around with the Gate Nodes (Simple Gate and Q-Gate), trying to understand the interaction between the nodes from a queuing flow that @Colin suggested in this Post. In doing this I have… --- ## [Alexa remote2 proxy error EHOSTUNREACH](https://discourse.nodered.org/t/alexa-remote2-proxy-error-ehostunreach/36642)
**Author:** [@patelhe](https://discourse.nodered.org/u/patelhe)\ **Replies:** 0\ **Last updated:** [27 November 2020 18:29 UTC](https://discourse.nodered.org/t/alexa-remote2-proxy-error-ehostunreach/36642 "2020-11-27T18:29:08Z")
Node-Red is installed on synology docker with ports 32770 and 3456 forwarded to container 1880 and 3456 respectively. I deploy the flow, open NASIP:3456 and login to Amazon using email and password. Alexa account initi… --- ## [Newbie question: openweather 5 day prediction filter (min temp value)](https://discourse.nodered.org/t/newbie-question-openweather-5-day-prediction-filter-min-temp-value/36634)
**Author:** [@SKES](https://discourse.nodered.org/u/SKES)\ **Replies:** 7\ **Last updated:** [27 November 2020 17:31 UTC](https://discourse.nodered.org/t/newbie-question-openweather-5-day-prediction-filter-min-temp-value/36634 "2020-11-27T17:31:26Z")
I'm a little bit lost here, I try to filter the lowest temp from the 5 day weather forecast to close some water valves if for example temp\_min is below -5°.. Hereunder a small part (3 of 40) of the msg output from the 5… --- ## [Twitter @red\_nodes not updated](https://discourse.nodered.org/t/twitter-red-nodes-not-updated/36633)
**Author:** [@Folgore](https://discourse.nodered.org/u/Folgore)\ **Replies:** 1\ **Last updated:** [27 November 2020 17:00 UTC](https://discourse.nodered.org/t/twitter-red-nodes-not-updated/36633 "2020-11-27T17:00:05Z")
Hi, I don't found any post for this, but the last tweet on @red\_nodes channel is in 20 november....there is a problem ? Thank's [Previous page](https://discourse.nodered.org/c/general/7.md?page=644) [Next page](https://discourse.nodered.org/c/general/7.md?page=646)