# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1120

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

**Page:** 1121

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## [Reply on chromecast message](https://discourse.nodered.org/t/reply-on-chromecast-message/24531)

<div class="topic-metadata">

**Author:** [@Robert\_it](https://discourse.nodered.org/u/Robert_it)\
**Replies:** 0\
**Last updated:** [9 April 2020 15:11 UTC](https://discourse.nodered.org/t/reply-on-chromecast-message/24531 "2020-04-09T15:11:57Z")

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Newbee question I have not been able to find the answer on? I want to send a msg to my chromecast only after it has already spoken another msg. first. The first msg id triggered by a door sensor + 30 sec delay and then …

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## [Syntax for deprecated context.myvar instead of context.set()](https://discourse.nodered.org/t/syntax-for-deprecated-context-myvar-instead-of-context-set/24523)

<div class="topic-metadata">

**Author:** [@JGKK](https://discourse.nodered.org/u/JGKK)\
**Replies:** 1\
**Last updated:** [9 April 2020 13:52 UTC](https://discourse.nodered.org/t/syntax-for-deprecated-context-myvar-instead-of-context-set/24523 "2020-04-09T13:52:13Z")

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I don't know if im having an especially slow day but I cant figure out the syntax for the "deprecated" method to use and set context variables that was used before context.get(). Why do I need it? Im running into the ci…

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## [Node-red-nodegen Help](https://discourse.nodered.org/t/node-red-nodegen-help/3705)

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**Author:** [@mako](https://discourse.nodered.org/u/mako)\
**Replies:** 9\
**Last updated:** [9 April 2020 14:04 UTC](https://discourse.nodered.org/t/node-red-nodegen-help/3705 "2020-04-09T14:04:13Z")

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Hello Chaps. I have been trying to get this Npm to work but not having to much look Using Example 2 Example 2. Create original node from function node (JavaScript code) On Node-RED flow editor, save function node…

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## [Zwave configuration seems to be lost when nodered restart](https://discourse.nodered.org/t/zwave-configuration-seems-to-be-lost-when-nodered-restart/24504)

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**Author:** [@louison](https://discourse.nodered.org/u/louison)\
**Replies:** 1\
**Last updated:** [9 April 2020 13:31 UTC](https://discourse.nodered.org/t/zwave-configuration-seems-to-be-lost-when-nodered-restart/24504 "2020-04-09T13:31:06Z")

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Hello, I'm using node-red-contrib-openzwave to communicate with my zwave sensors and AeotechGen5 Zwave dongle to manage. I'm using this flow below in example: https://flows.nodered.org/flow/41ae75dbfbe6465d5cf40248e250…

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## [Invalid Character in Name](https://discourse.nodered.org/t/invalid-character-in-name/24498)

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**Author:** [@Steven](https://discourse.nodered.org/u/Steven)\
**Replies:** 10\
**Last updated:** [9 April 2020 12:39 UTC](https://discourse.nodered.org/t/invalid-character-in-name/24498 "2020-04-09T12:39:18Z")

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Flow above actually work if using Node-Red in groov EPIC device. But when come to Node-Red in Windows, XML node show "Error:Invalid Character in Name". Why would this happen? It seems like msg.payload is the problem. …

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## [Web form like frontend with CSV export in Node RED](https://discourse.nodered.org/t/web-form-like-frontend-with-csv-export-in-node-red/24514)

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**Author:** [@ICE](https://discourse.nodered.org/u/ICE)\
**Replies:** 4\
**Last updated:** [9 April 2020 12:01 UTC](https://discourse.nodered.org/t/web-form-like-frontend-with-csv-export-in-node-red/24514 "2020-04-09T12:01:18Z")

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Hi all, I use the current quarantine to work with Node RED :slight\_smile: I am planning a demo user frontend. The goal is to simulate a customer order using a simple form, with text fields, dropdown menues and radio bo…

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## [Permissions read should allow "inject" button](https://discourse.nodered.org/t/permissions-read-should-allow-inject-button/24490)

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**Author:** [@aderici](https://discourse.nodered.org/u/aderici)\
**Replies:** 4\
**Last updated:** [9 April 2020 11:54 UTC](https://discourse.nodered.org/t/permissions-read-should-allow-inject-button/24490 "2020-04-09T11:54:25Z")

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as far as i know currently we have \* and read permissions. I would like to keep my flows read only on the remote server, but still allow admin users to be able to "inject" or "debug". is this even possible? best regard…

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## [Mustache Syntax Hell](https://discourse.nodered.org/t/mustache-syntax-hell/24430)

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**Author:** [@rwmingis](https://discourse.nodered.org/u/rwmingis)\
**Replies:** 6\
**Last updated:** [9 April 2020 11:49 UTC](https://discourse.nodered.org/t/mustache-syntax-hell/24430 "2020-04-09T11:49:40Z")

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Hi All, I've been coding for years, but am just getting into Node-RED and Mustache is new to me. Seems like a very powerful tool, but getting the syntax correct for newbies doing trial and error is just insane if it's …

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## [Waiting time function](https://discourse.nodered.org/t/waiting-time-function/24483)

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**Author:** [@mustafa](https://discourse.nodered.org/u/mustafa)\
**Replies:** 9\
**Last updated:** [9 April 2020 11:09 UTC](https://discourse.nodered.org/t/waiting-time-function/24483 "2020-04-09T11:09:21Z")

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Hi I have a project of distance measuring by HCR-04 and the output of this sensor sometime debouching so I want to do two things: first I want when the distance number fall below for example 25 ( better to be adjustab…

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## [DELAY node - feature request](https://discourse.nodered.org/t/delay-node-feature-request/24488)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [9 April 2020 10:52 UTC](https://discourse.nodered.org/t/delay-node-feature-request/24488 "2020-04-09T10:52:57Z")

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As is, the delay node can accept variable delays in the msg.delay part of the message. All nice. I've found a place where it falls short: Say I have it set to rate limit. It limits the rate but the fixed value I ente…

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## [How check context exist](https://discourse.nodered.org/t/how-check-context-exist/24515)

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**Author:** [@d0d04m3](https://discourse.nodered.org/u/d0d04m3)\
**Replies:** 1\
**Last updated:** [9 April 2020 10:48 UTC](https://discourse.nodered.org/t/how-check-context-exist/24515 "2020-04-09T10:48:38Z")

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hi I receive data but before updated I need check if data it's same or this object if exist or not so if exist check is data if equal else update or if not exist save it example check object "V06-bus" exist or not h…

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## [Edit a 2D Table in a modeless way](https://discourse.nodered.org/t/edit-a-2d-table-in-a-modeless-way/6375)

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**Author:** [@abajolle](https://discourse.nodered.org/u/abajolle)\
**Replies:** 2\
**Last updated:** [9 April 2020 10:07 UTC](https://discourse.nodered.org/t/edit-a-2d-table-in-a-modeless-way/6375 "2020-04-09T10:07:05Z")

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Hi dear Node-RED community and happy new year to all of you ! May it be a new year filled with fun on Node-RED :partying\_face: For one of my projects, I am using a template node to generate a 2 dimensions table. The da…

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## [How can I take an action after a certain time?](https://discourse.nodered.org/t/how-can-i-take-an-action-after-a-certain-time/24309)

<div class="topic-metadata">

**Author:** [@mimk97](https://discourse.nodered.org/u/mimk97)\
**Replies:** 8\
**Last updated:** [9 April 2020 10:01 UTC](https://discourse.nodered.org/t/how-can-i-take-an-action-after-a-certain-time/24309 "2020-04-09T10:01:41Z")

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Hi, i have this simple Flow. How can I set the LED to only go on when the status "0.5 - 3w" is longer than 5 minutes? \[{"id":"e7136258.3bb8d","type":"debug","z":"5024232.88595dc","name":"output 0.5 - 3w","active":true…

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## [How to feed table with such a SQLite table?](https://discourse.nodered.org/t/how-to-feed-table-with-such-a-sqlite-table/24415)

<div class="topic-metadata">

**Author:** [@tarahi](https://discourse.nodered.org/u/tarahi)\
**Replies:** 17\
**Last updated:** [9 April 2020 08:38 UTC](https://discourse.nodered.org/t/how-to-feed-table-with-such-a-sqlite-table/24415 "2020-04-09T08:38:13Z")

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Dear friends, I have a SQLite table with such data : It stores sensor data .Column "device" stores sensor names and "val" stores their values. Now ,haw can I show such data in a table that shows all sensor and their…

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## [Personalizing head bar (title bar)](https://discourse.nodered.org/t/personalizing-head-bar-title-bar/24469)

<div class="topic-metadata">

**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\
**Replies:** 2\
**Last updated:** [9 April 2020 08:11 UTC](https://discourse.nodered.org/t/personalizing-head-bar-title-bar/24469 "2020-04-09T08:11:07Z")

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Hi to all. I know that several topics like this have been already discussed, but I looked far and wide without find a solutions. Looking other post I've been able to insert a clock and a static text inside the title bar…

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## [New NodeRed Docker build cannot edit SonosPollyTTS](https://discourse.nodered.org/t/new-nodered-docker-build-cannot-edit-sonospollytts/24468)

<div class="topic-metadata">

**Author:** [@stevegroom](https://discourse.nodered.org/u/stevegroom)\
**Replies:** 2\
**Last updated:** [9 April 2020 07:44 UTC](https://discourse.nodered.org/t/new-nodered-docker-build-cannot-edit-sonospollytts/24468 "2020-04-09T07:44:57Z")

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Hello, I created a docker-compose file to run NodeRed on an Intel Nuc. ################################################################################ # Node-RED Stack or Compose ######################################…

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## [Angular in Dashboard - repeating buttons](https://discourse.nodered.org/t/angular-in-dashboard-repeating-buttons/16106)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 10\
**Last updated:** [9 April 2020 05:48 UTC](https://discourse.nodered.org/t/angular-in-dashboard-repeating-buttons/16106 "2020-04-09T05:48:10Z")

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I have this template node, where the table rows repeat with the number of parameters in msg.Notify. I'd also like to include a button for each row, that simply sends a message out that can be used to update the object i…

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## [Master slider that "scales" other sliders?](https://discourse.nodered.org/t/master-slider-that-scales-other-sliders/24486)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 1\
**Last updated:** [9 April 2020 04:53 UTC](https://discourse.nodered.org/t/master-slider-that-scales-other-sliders/24486 "2020-04-09T04:53:39Z")

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I have x number of dashboard sliders, and I'd like to have a "master" slider that scales all of those sliders up and down. It sounds like a really easy problem to solve, until you start thinking in more detail. (I thi…

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## [Dashboard-auth.js empty request body](https://discourse.nodered.org/t/dashboard-auth-js-empty-request-body/24489)

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**Author:** [@r0ller](https://discourse.nodered.org/u/r0ller)\
**Replies:** 0\
**Last updated:** [9 April 2020 00:09 UTC](https://discourse.nodered.org/t/dashboard-auth-js-empty-request-body/24489 "2020-04-09T00:09:41Z")

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Hi All, I've recently changed two things in settings.js as follows: httpAdminRoot: "/editor", ui: {path: "/", middleware: require("./dashboard-auth")}, Previously, the 'ui' path was "/ui" and httpAdminRoot was commen…

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## [Node-Red Dashboard seesion ID](https://discourse.nodered.org/t/node-red-dashboard-seesion-id/24401)

<div class="topic-metadata">

**Author:** [@bertg](https://discourse.nodered.org/u/bertg)\
**Replies:** 1\
**Last updated:** [8 April 2020 21:44 UTC](https://discourse.nodered.org/t/node-red-dashboard-seesion-id/24401 "2020-04-08T21:44:03Z")

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Hello, Some time ago, I integrated some Dashboard pages into an Angular application. It worked well. All you had to do was call a page with a URL like: localhost:1888/ui/#x. But since session IDs have been added to Das…

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## [Multiple picture send to email](https://discourse.nodered.org/t/multiple-picture-send-to-email/24477)

<div class="topic-metadata">

**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\
**Replies:** 1\
**Last updated:** [8 April 2020 21:33 UTC](https://discourse.nodered.org/t/multiple-picture-send-to-email/24477 "2020-04-08T21:33:27Z")

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Hi, I am using the following nodes to take a picture from RPi cam and then send it to email. \[{"id":"f5e22b0.5d7bdd8","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"9277c6bf.bf8c68","type":"inject","z"…

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## [\[solved\]\<device-attribute-name\>](https://discourse.nodered.org/t/solved-device-attribute-name/24481)

<div class="topic-metadata">

**Author:** [@Mark\_Ellis](https://discourse.nodered.org/u/Mark_Ellis)\
**Replies:** 0\
**Last updated:** [8 April 2020 19:37 UTC](https://discourse.nodered.org/t/solved-device-attribute-name/24481 "2020-04-08T19:37:34Z")

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Has anyone used node-red-contrib-hubitat for Hubitat, I'm trying to force the device node to output the current state of this attribute, but i don't understand from help. I have a virtual presence and need to know if it…

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## [AND gate experiment](https://discourse.nodered.org/t/and-gate-experiment/24412)

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**Author:** [@mustafa](https://discourse.nodered.org/u/mustafa)\
**Replies:** 8\
**Last updated:** [8 April 2020 20:19 UTC](https://discourse.nodered.org/t/and-gate-experiment/24412 "2020-04-08T20:19:36Z")

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Hi Just last two week I started to learn node red and I start with very simple things I used AND gate with inject number or 80 and numeric. I found with condition=\> to the AND gate that the inject button will pass fro…

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## [Worldmap Heatmap Layer with Conditionals](https://discourse.nodered.org/t/worldmap-heatmap-layer-with-conditionals/24363)

<div class="topic-metadata">

**Author:** [@danleighton](https://discourse.nodered.org/u/danleighton)\
**Replies:** 10\
**Last updated:** [8 April 2020 17:43 UTC](https://discourse.nodered.org/t/worldmap-heatmap-layer-with-conditionals/24363 "2020-04-08T17:43:13Z")

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Hi All, some help on working out how to do a heatmap layer needed please. My original data looks like this: \[{ "ID": 001, "Supplier": "Dredd Enterprises Inc.", "Contract": 2000, "Credit Score": "Secure"…

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## [Trying to figure out how to get Alexa to squirt a numerical value into Node-Red flow](https://discourse.nodered.org/t/trying-to-figure-out-how-to-get-alexa-to-squirt-a-numerical-value-into-node-red-flow/24467)

<div class="topic-metadata">

**Author:** [@Surefire01](https://discourse.nodered.org/u/Surefire01)\
**Replies:** 1\
**Last updated:** [8 April 2020 15:52 UTC](https://discourse.nodered.org/t/trying-to-figure-out-how-to-get-alexa-to-squirt-a-numerical-value-into-node-red-flow/24467 "2020-04-08T15:52:27Z")

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As part of a larger project I'm trying to find a simple way which will enable a button in the mobile Alexa app on my phone to inject a numerical value into a Node-Red flow. I have been able to do it with a simple true/fa…

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## [How to connect Mitsubishi PLC FX5U-32M to Node red using node's available in Node red and Without using OPC server / Kepware](https://discourse.nodered.org/t/how-to-connect-mitsubishi-plc-fx5u-32m-to-node-red-using-nodes-available-in-node-red-and-without-using-opc-server-kepware/16252)

<div class="topic-metadata">

**Author:** [@sandeepanj](https://discourse.nodered.org/u/sandeepanj)\
**Replies:** 5\
**Last updated:** [8 April 2020 15:34 UTC](https://discourse.nodered.org/t/how-to-connect-mitsubishi-plc-fx5u-32m-to-node-red-using-nodes-available-in-node-red-and-without-using-opc-server-kepware/16252 "2020-04-08T15:34:09Z")

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i have programmed Mitsubishi plc FX5U-32M using GX Works and i want to send PLC data to Schneider Magelis IOT gateway so please help me (How to connect Mitsubishi PLC FX5U-32M to Node red using node's available in Node r…

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## [Preload Date field in ui\_form](https://discourse.nodered.org/t/preload-date-field-in-ui-form/24416)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 10\
**Last updated:** [8 April 2020 15:25 UTC](https://discourse.nodered.org/t/preload-date-field-in-ui-form/24416 "2020-04-08T15:25:09Z")

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Can anyone tell me how to preload a Date field in a ui\_form? I have tried new Date(), new Date().getTime() and new Date().toISOString(). I can't think of anything else to try. I am able to preload other field types ok…

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## [SOLVED: Nodes registered as different names dont show in node-red at same time](https://discourse.nodered.org/t/solved-nodes-registered-as-different-names-dont-show-in-node-red-at-same-time/24459)

<div class="topic-metadata">

**Author:** [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Replies:** 6\
**Last updated:** [8 April 2020 13:24 UTC](https://discourse.nodered.org/t/solved-nodes-registered-as-different-names-dont-show-in-node-red-at-same-time/24459 "2020-04-08T13:24:37Z")

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In the interest of solving an issue with the 2 image viewers (in node-red-contrib-image-tools and node-red-contrib-image-output) we have, could someone correct me or point me me towards info of how a node is registered p…

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## [Gauge indications for negativ to positiv value range](https://discourse.nodered.org/t/gauge-indications-for-negativ-to-positiv-value-range/24444)

<div class="topic-metadata">

**Author:** [@brumark](https://discourse.nodered.org/u/brumark)\
**Replies:** 6\
**Last updated:** [8 April 2020 12:55 UTC](https://discourse.nodered.org/t/gauge-indications-for-negativ-to-positiv-value-range/24444 "2020-04-08T12:55:27Z")

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I would like to display the charge/discharge power of my solar battery with a gauge or donut. To configure the gauge or donut is easy, but what is not working very well is the colouring. As example for a value range of…

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## [SOLVED: Reed-Relays with NodeRed and Raspberry Pi / Windsensor](https://discourse.nodered.org/t/solved-reed-relays-with-nodered-and-raspberry-pi-windsensor/24452)

<div class="topic-metadata">

**Author:** [@Harakaio](https://discourse.nodered.org/u/Harakaio)\
**Replies:** 1\
**Last updated:** [8 April 2020 11:56 UTC](https://discourse.nodered.org/t/solved-reed-relays-with-nodered-and-raspberry-pi-windsensor/24452 "2020-04-08T11:56:37Z")

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Hi everybody, I am new here and want to build a weather station for my garden with Node-Red. But now I have the problem that I want to connect a wind sensor to the Pi and the counting of the reed relays/contacts does n…

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