# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1153

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

**Page:** 1154

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## [Control Homekit with vpn l2tp from another network](https://discourse.nodered.org/t/control-homekit-with-vpn-l2tp-from-another-network/22019)

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**Author:** [@pooyatavan](https://discourse.nodered.org/u/pooyatavan)\
**Replies:** 2\
**Last updated:** [21 February 2020 17:13 UTC](https://discourse.nodered.org/t/control-homekit-with-vpn-l2tp-from-another-network/22019 "2020-02-21T17:13:52Z")

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hi, i create my l2tp vpn server in my mikrotik router and i successfully connected to it, from my iphone. but my homekit accessories are unavailable. (they are in the same dhcp server) how can i make it work ?

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## [Npm install question, node-red-contrib-onvif-nodes](https://discourse.nodered.org/t/npm-install-question-node-red-contrib-onvif-nodes/22056)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 3\
**Last updated:** [21 February 2020 13:51 UTC](https://discourse.nodered.org/t/npm-install-question-node-red-contrib-onvif-nodes/22056 "2020-02-21T13:51:05Z")

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If I run npm install node-red-contrib-onvif-nodes then I get version 0.0.1-beta.1, which is to be expected as this is the current version as seen on npmjs.com. However, if I run npm install node-red-contrib-onvif-nod…

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## [Global installed nodes ar not available in palette](https://discourse.nodered.org/t/global-installed-nodes-ar-not-available-in-palette/21904)

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**Author:** [@gugani](https://discourse.nodered.org/u/gugani)\
**Replies:** 4\
**Last updated:** [21 February 2020 13:47 UTC](https://discourse.nodered.org/t/global-installed-nodes-ar-not-available-in-palette/21904 "2020-02-21T13:47:33Z")

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Hi, I have installed Node Red in a Beaglebone Black with debian Buster via apt: apt install nodejs npm bb-node-red-installer Everything is working as expected. The problem comes when I add some nodes via global npm ins…

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## [Help - CSV node issue](https://discourse.nodered.org/t/help-csv-node-issue/21983)

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**Author:** [@frankzappa](https://discourse.nodered.org/u/frankzappa)\
**Replies:** 25\
**Last updated:** [21 February 2020 13:12 UTC](https://discourse.nodered.org/t/help-csv-node-issue/21983 "2020-02-21T13:12:03Z")

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Hi people. I'm having a little trouble with the CSV node. After many hours of tests, now I'm able to export my data into a .csv file. The issue is that my exported values are plotted individually in different rows: I…

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## [One "master flow" several "slave flows"](https://discourse.nodered.org/t/one-master-flow-several-slave-flows/21990)

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**Author:** [@dabbelju](https://discourse.nodered.org/u/dabbelju)\
**Replies:** 8\
**Last updated:** [21 February 2020 07:04 UTC](https://discourse.nodered.org/t/one-master-flow-several-slave-flows/21990 "2020-02-21T07:04:02Z")

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Hi all, I am using Node Red to collect and display data from several units in our company which works fine. In general I am getting data via MQTT for all units and display them. Currently I have about 30 flows on one N…

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## [Using done()/complete for debugging](https://discourse.nodered.org/t/using-done-complete-for-debugging/21572)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 3\
**Last updated:** [21 February 2020 05:41 UTC](https://discourse.nodered.org/t/using-done-complete-for-debugging/21572 "2020-02-21T05:41:44Z")

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Apologies if this has been mentioned before -- I am further behind than usual in reading the forum. When possible, I avoid using global variables by attaching state information to each message. I recently built a flow w…

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## [Cannot activate/import #moment into #uibuilder](https://discourse.nodered.org/t/cannot-activate-import-moment-into-uibuilder/21844)

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**Author:** [@stanleyseow](https://discourse.nodered.org/u/stanleyseow)\
**Replies:** 2\
**Last updated:** [20 February 2020 06:15 UTC](https://discourse.nodered.org/t/cannot-activate-import-moment-into-uibuilder/21844 "2020-02-20T06:15:58Z")

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I could not use $moment functions even tho I loaded vue-moment.js with : \<script src="../uibuilder/vendor/vue-moment/dist/vue-moment.js"\>\</script\> and activated the plugins in index.js with :- Vue.use('vue-moment'); A…

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## [Email for v1.0.3](https://discourse.nodered.org/t/email-for-v1-0-3/22037)

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**Author:** [@rcbuck](https://discourse.nodered.org/u/rcbuck)\
**Replies:** 2\
**Last updated:** [21 February 2020 02:27 UTC](https://discourse.nodered.org/t/email-for-v1-0-3/22037 "2020-02-21T02:27:08Z")

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Brand new installation v1.0.3 today. How do I install email for v1.0.3? I ran npm install node-red-node-email. It installed 36 packages but I get errors. pi@Garage-Door-Pi:~ cd .node-red/ pi@Garage-Door-Pi:~/.node-red…

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## [Chrome, web page and move windows](https://discourse.nodered.org/t/chrome-web-page-and-move-windows/21963)

<div class="topic-metadata">

**Author:** [@bibou](https://discourse.nodered.org/u/bibou)\
**Replies:** 9\
**Last updated:** [21 February 2020 01:53 UTC](https://discourse.nodered.org/t/chrome-web-page-and-move-windows/21963 "2020-02-21T01:53:24Z")

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Hello, I have to use node-red for several things: First, I have to succeed in launching chrome, I used "Exec" function for this Second, and this is where I block, I have to open a web page on it. And lately, I have to…

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## [Replicate this curl post](https://discourse.nodered.org/t/replicate-this-curl-post/22021)

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**Author:** [@oliver9523](https://discourse.nodered.org/u/oliver9523)\
**Replies:** 10\
**Last updated:** [20 February 2020 22:25 UTC](https://discourse.nodered.org/t/replicate-this-curl-post/22021 "2020-02-20T22:25:19Z")

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I'm trying to login to a server, the following curl command works curl --insecure --request POST "https://IP:PORT/login" --form "username=user" --form "password=pass" If I try to replicate this with Node-RED using msg…

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## [Modbus contrib with hex commands through TCP](https://discourse.nodered.org/t/modbus-contrib-with-hex-commands-through-tcp/22035)

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**Author:** [@adrianbravom](https://discourse.nodered.org/u/adrianbravom)\
**Replies:** 0\
**Last updated:** [20 February 2020 21:38 UTC](https://discourse.nodered.org/t/modbus-contrib-with-hex-commands-through-tcp/22035 "2020-02-20T21:38:32Z")

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Hello, i am reading the values of 3 modbus RTU energy meters, i am using a modbus RTU \<\> modbus TCP gateway and everything is working fine, however, i need to reset the measured energy daily, to do that i need to send a …

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## [UDP Out Node is not bound to correct port number](https://discourse.nodered.org/t/udp-out-node-is-not-bound-to-correct-port-number/754)

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**Author:** [@pauldeng](https://discourse.nodered.org/u/pauldeng)\
**Replies:** 9\
**Last updated:** [20 February 2020 21:10 UTC](https://discourse.nodered.org/t/udp-out-node-is-not-bound-to-correct-port-number/754 "2020-02-20T21:10:59Z")

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Hi all, I am new to this. So please forgive me if I ask a silly question. I created a simple UDP ping-pong function: 1. Endpoint A (port 3000) sends a Ping to Endpoint B (port 3001) 2. Endpoint B (port 3001) replies …

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## [Control simple gate](https://discourse.nodered.org/t/control-simple-gate/22024)

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**Author:** [@MaxD](https://discourse.nodered.org/u/MaxD)\
**Replies:** 4\
**Last updated:** [20 February 2020 19:31 UTC](https://discourse.nodered.org/t/control-simple-gate/22024 "2020-02-20T19:31:27Z")

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Hello, I am trying to control the simple-gate-node using change nodes. I'm new to Node-Red and really dont know what to do. Can someone explain to me how this works? Kind regards, Max

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## [Parse String. Regex?](https://discourse.nodered.org/t/parse-string-regex/21941)

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**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\
**Replies:** 7\
**Last updated:** [20 February 2020 16:05 UTC](https://discourse.nodered.org/t/parse-string-regex/21941 "2020-02-20T16:05:42Z")

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Hi. I have a sting output that I want to split somehow. Have tried a few regex expressions but i have early used regex before so no luck. Any idea how to do this the best way? the string lock like this ALARM,A:341N5729…

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## [One button control](https://discourse.nodered.org/t/one-button-control/21816)

<div class="topic-metadata">

**Author:** [@AD3D](https://discourse.nodered.org/u/AD3D)\
**Replies:** 12\
**Last updated:** [20 February 2020 14:47 UTC](https://discourse.nodered.org/t/one-button-control/21816 "2020-02-20T14:47:03Z")

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I am wondering if there is a 'simple' solution for what I would like to do with a few flows at ones. I have a few WiFi/network devices that act as a lamp. Nothing fancy but it works. Node-RED can ask them what there cu…

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## [Multiple Projects: Updating specific Subflows should change in all the projects](https://discourse.nodered.org/t/multiple-projects-updating-specific-subflows-should-change-in-all-the-projects/22012)

<div class="topic-metadata">

**Author:** [@rverala](https://discourse.nodered.org/u/rverala)\
**Replies:** 2\
**Last updated:** [20 February 2020 13:57 UTC](https://discourse.nodered.org/t/multiple-projects-updating-specific-subflows-should-change-in-all-the-projects/22012 "2020-02-20T13:57:40Z")

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Hi, We are trying to solve a business problem, where we may have multiple Projects in place, say each one for a specific customer. We are planning to implement re-usability (flows/subflows) which may be used in multipl…

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## [Private LoRa based flow](https://discourse.nodered.org/t/private-lora-based-flow/22009)

<div class="topic-metadata">

**Author:** [@dhavalm24](https://discourse.nodered.org/u/dhavalm24)\
**Replies:** 0\
**Last updated:** [20 February 2020 12:20 UTC](https://discourse.nodered.org/t/private-lora-based-flow/22009 "2020-02-20T12:20:16Z")

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Hello Guys, Need help in creating Private LoRa flow. We have LoRa module sensor, Multitech Gateway and Application . We have connected sensor to Gateway and now we need to push the data from sensor to application via …

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## [Bluetooth node not working](https://discourse.nodered.org/t/bluetooth-node-not-working/22006)

<div class="topic-metadata">

**Author:** [@Madhumati](https://discourse.nodered.org/u/Madhumati)\
**Replies:** 1\
**Last updated:** [20 February 2020 12:14 UTC](https://discourse.nodered.org/t/bluetooth-node-not-working/22006 "2020-02-20T12:14:38Z")

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Hello, I want to read data from a Bluetooth device into my raspberry PI based hardware over NODE-RED. I made attached flow , but not able to conenct to any blutooth device or my phone. \[{"id":"a240c740.e879d8","type":…

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## [Audio Out does not work on Iphone browsers](https://discourse.nodered.org/t/audio-out-does-not-work-on-iphone-browsers/10350)

<div class="topic-metadata">

**Author:** [@Marcelo](https://discourse.nodered.org/u/Marcelo)\
**Replies:** 9\
**Last updated:** [20 February 2020 12:11 UTC](https://discourse.nodered.org/t/audio-out-does-not-work-on-iphone-browsers/10350 "2020-02-20T12:11:10Z")

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"ReferenceError: window is not defined (line 1, col 1)" CODE: window.addEventListener('touchstart', function() { // create new buffer source for playback with an already // loaded and decoded empty sound file var so…

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## [Slider appearance: Slider gets shorter when label gets longer](https://discourse.nodered.org/t/slider-appearance-slider-gets-shorter-when-label-gets-longer/21995)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 4\
**Last updated:** [20 February 2020 08:54 UTC](https://discourse.nodered.org/t/slider-appearance-slider-gets-shorter-when-label-gets-longer/21995 "2020-02-20T08:54:14Z")

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How do I make the UI slider (Landing Light Dimmer) bigger and below the name?

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## [Button and new tab](https://discourse.nodered.org/t/button-and-new-tab/21984)

<div class="topic-metadata">

**Author:** [@bibou](https://discourse.nodered.org/u/bibou)\
**Replies:** 6\
**Last updated:** [20 February 2020 08:09 UTC](https://discourse.nodered.org/t/button-and-new-tab/21984 "2020-02-20T08:09:31Z")

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Hello, so I have a dashboard that contains a button. I would like to know if it is possible on node-red to automatically click this button; the ideal will be that it opens in a new tab. Is it possible?

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## [Concept for central flow handling](https://discourse.nodered.org/t/concept-for-central-flow-handling/21996)

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**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 0\
**Last updated:** [19 February 2020 22:01 UTC](https://discourse.nodered.org/t/concept-for-central-flow-handling/21996 "2020-02-19T22:01:20Z")

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I made a model that can be used for a large ICT system in Holland that has a hundred submodules and about 200 products that uses these submodules. I made a concept in node-red to prove you can pre-define the way a servi…

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## [Function node and merge](https://discourse.nodered.org/t/function-node-and-merge/21991)

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**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 0\
**Last updated:** [19 February 2020 16:54 UTC](https://discourse.nodered.org/t/function-node-and-merge/21991 "2020-02-19T16:54:22Z")

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I need to convert an array to seperate vars and keep the old message. this is how i solved it but i think there is a better way to include the old message in the new one other then include all vars one by one....like i …

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## [Context variables](https://discourse.nodered.org/t/context-variables/21951)

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**Author:** [@abskki](https://discourse.nodered.org/u/abskki)\
**Replies:** 2\
**Last updated:** [19 February 2020 21:17 UTC](https://discourse.nodered.org/t/context-variables/21951 "2020-02-19T21:17:00Z")

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Hi, guys Just come across something strange. Could anyone give me some guides? Thanks heaps your time in advance. Problem: I set two flow variables. When I assign value to one of the variables, another one get the same…

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## [Scheduling raspbian OS updates & upgrades](https://discourse.nodered.org/t/scheduling-raspbian-os-updates-upgrades/21174)

<div class="topic-metadata">

**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 14\
**Last updated:** [19 February 2020 20:53 UTC](https://discourse.nodered.org/t/scheduling-raspbian-os-updates-upgrades/21174 "2020-02-19T20:53:00Z")

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I've been using a simple script to update my pi, which I manually start (whenever I remember!!) Would it be safe to add a cron job to run it weekly automatically in the middle of the night, or should the update/upgrade/…

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## [Creating a node for License Plate Recognition](https://discourse.nodered.org/t/creating-a-node-for-license-plate-recognition/21946)

<div class="topic-metadata">

**Author:** [@lizzardguki](https://discourse.nodered.org/u/lizzardguki)\
**Replies:** 8\
**Last updated:** [19 February 2020 19:58 UTC](https://discourse.nodered.org/t/creating-a-node-for-license-plate-recognition/21946 "2020-02-19T19:58:32Z")

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I am using the following service: http://platerecognizer.com And while I successfully created a flow that will use the curl in the exec node, and then the JSON node to read the plates from the image I am just not satisf…

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## [Create multiple CCUs in RedMatic](https://discourse.nodered.org/t/create-multiple-ccus-in-redmatic/21901)

<div class="topic-metadata">

**Author:** [@spitzlbergerj](https://discourse.nodered.org/u/spitzlbergerj)\
**Replies:** 4\
**Last updated:** [19 February 2020 19:39 UTC](https://discourse.nodered.org/t/create-multiple-ccus-in-redmatic/21901 "2020-02-19T19:39:25Z")

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Hi, I have successfully installed RedMatic on my Homematic CCU3 Now I would like to integrate a second CCU in RedMatic. Unfortunately I am still Node Red Newbee and I can't get any further. In the meantime I have under…

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## [How to program flow to redeploy itself?](https://discourse.nodered.org/t/how-to-program-flow-to-redeploy-itself/21988)

<div class="topic-metadata">

**Author:** [@Hornynkz](https://discourse.nodered.org/u/Hornynkz)\
**Replies:** 1\
**Last updated:** [19 February 2020 18:56 UTC](https://discourse.nodered.org/t/how-to-program-flow-to-redeploy-itself/21988 "2020-02-19T18:56:12Z")

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HI, I have an issue with node-red-contrib-iiot-opcua and node-red-contrib-opcua. From time to time when my OPC-UA server has to be rebooted, the client nodes fail to reconnect, leaving the node in error. Only redeployin…

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## [IOT - Engine run time](https://discourse.nodered.org/t/iot-engine-run-time/21075)

<div class="topic-metadata">

**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 0\
**Last updated:** [31 January 2020 10:09 UTC](https://discourse.nodered.org/t/iot-engine-run-time/21075 "2020-01-31T10:09:50Z")

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If you ever have to record engine run time or have to record the time valves stay open etc. this little flow does it. \[{"id":"d5ebfa8d.412cf8","type":"tab","label":"Engine runtime","disabled":false,"info":""},{"id":"d16…

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## [Read Domoticz sensor and filter on IDX](https://discourse.nodered.org/t/read-domoticz-sensor-and-filter-on-idx/21986)

<div class="topic-metadata">

**Author:** [@qwyrp](https://discourse.nodered.org/u/qwyrp)\
**Replies:** 0\
**Last updated:** [19 February 2020 15:00 UTC](https://discourse.nodered.org/t/read-domoticz-sensor-and-filter-on-idx/21986 "2020-02-19T15:00:09Z")

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I'm completely new to Node-Red but I did already a lot of reading :innocent: Switching lamps on/of in Domoticz works great but I can't get any values from my other sensors. I've setup the following but now I get ALL the…

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