# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=785

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

**Page:** 786

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## [Create several projects on the same machine](https://discourse.nodered.org/t/create-several-projects-on-the-same-machine/22806)

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**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 6\
**Last updated:** [8 March 2020 21:16 UTC](https://discourse.nodered.org/t/create-several-projects-on-the-same-machine/22806 "2020-03-08T21:16:23Z")

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So, I'm using this weekend to learn NR and got as far as creating an admin/user (read only) account and deploying few gadgets. That has been fun! Now, I'd like to keep my first project running and create a second one. Ho…

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## [Node-red-contrib-castv2 problem](https://discourse.nodered.org/t/node-red-contrib-castv2-problem/22813)

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**Author:** [@danfox52](https://discourse.nodered.org/u/danfox52)\
**Replies:** 2\
**Last updated:** [8 March 2020 20:54 UTC](https://discourse.nodered.org/t/node-red-contrib-castv2-problem/22813 "2020-03-08T20:54:21Z")

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@i8beef I installed castv2-sender. When I deploy a flow containing the node, I get this error: In the manage palette page I get this warning: What am I missing?

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## [Could Node-RED generate code for MCUs?](https://discourse.nodered.org/t/could-node-red-generate-code-for-mcus/22795)

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**Author:** [@rei\_vilo](https://discourse.nodered.org/u/rei_vilo)\
**Replies:** 4\
**Last updated:** [8 March 2020 20:22 UTC](https://discourse.nodered.org/t/could-node-red-generate-code-for-mcus/22795 "2020-03-08T20:22:22Z")

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I really enjoy Node-RED, even for for managing industrial systems. Up to now, Node-RED runs on and targets computers and SBC. However, micro-controllers and MCUs are now very powerful, with large RAM and Flash memories.…

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## [Where is local file path](https://discourse.nodered.org/t/where-is-local-file-path/22803)

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**Author:** [@Keldandorin](https://discourse.nodered.org/u/Keldandorin)\
**Replies:** 4\
**Last updated:** [8 March 2020 19:52 UTC](https://discourse.nodered.org/t/where-is-local-file-path/22803 "2020-03-08T19:52:43Z")

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Hi folks, New to node-red but rely likes it. I'v been struggling with following and cant find any answer on Mr google.I have downloaded the ftp Node node-red-contrib-ftp and trying to use that for my project. So to the …

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## [Node-red-alexa-home in docker: setting controller port](https://discourse.nodered.org/t/node-red-alexa-home-in-docker-setting-controller-port/16544)

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**Author:** [@zechasso](https://discourse.nodered.org/u/zechasso)\
**Replies:** 3\
**Last updated:** [8 March 2020 19:28 UTC](https://discourse.nodered.org/t/node-red-alexa-home-in-docker-setting-controller-port/16544 "2020-03-08T19:28:48Z")

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Hello, this is my first post in this forum. I'm using NodeRed in a docker an my synology with network in bridge-mode. Now I want to use node-red-alexa-home, for which I have to redirect the controller-port from port 8…

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## [100% cpu when touching ui or a specific flow reloads](https://discourse.nodered.org/t/100-cpu-when-touching-ui-or-a-specific-flow-reloads/22788)

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**Author:** [@billiaz](https://discourse.nodered.org/u/billiaz)\
**Replies:** 11\
**Last updated:** [8 March 2020 15:46 UTC](https://discourse.nodered.org/t/100-cpu-when-touching-ui-or-a-specific-flow-reloads/22788 "2020-03-08T15:46:42Z")

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I've created a flow to control my thermostat and also to reset it after some time. While testing I set an inject to push timestamp every 5 seconds and if the last change on the thermostat +10 seconds is reached to reset…

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## [Multiple conditions to trigger flow](https://discourse.nodered.org/t/multiple-conditions-to-trigger-flow/22760)

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**Author:** [@another\_dave](https://discourse.nodered.org/u/another_dave)\
**Replies:** 16\
**Last updated:** [8 March 2020 13:06 UTC](https://discourse.nodered.org/t/multiple-conditions-to-trigger-flow/22760 "2020-03-08T13:06:07Z")

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Hi All, I have a continuously blood glucose monitor and want to create a process flow to trigger low and high alerts to my amazon echo when this occurs & be smart enough to only broadcast when I am at home. What I've d…

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## [Nuxt js App with embedded Node-Red](https://discourse.nodered.org/t/nuxt-js-app-with-embedded-node-red/22776)

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**Author:** [@Nez](https://discourse.nodered.org/u/Nez)\
**Replies:** 6\
**Last updated:** [8 March 2020 12:41 UTC](https://discourse.nodered.org/t/nuxt-js-app-with-embedded-node-red/22776 "2020-03-08T12:41:26Z")

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Hi there, i have a question if it is possible to build a NUXT JS App and embed Node-Red in a layout. My Goal is to have a permanent Sidebar for my App and one menu point is Node-Red. The Sidebar just get smaller when …

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## [Up/Down counter](https://discourse.nodered.org/t/up-down-counter/22764)

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**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 15\
**Last updated:** [8 March 2020 12:25 UTC](https://discourse.nodered.org/t/up-down-counter/22764 "2020-03-08T12:25:51Z")

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Hi, I need to generate a counter which counts up to 10 and back to 0. The following function does't work so, I appreciate some help. TIA var dir = 0; var count = context.get("counter") || 0; if(dir === 0){ count…

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## [Can't get node-red-contrib-groov-io to install](https://discourse.nodered.org/t/cant-get-node-red-contrib-groov-io-to-install/22738)

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**Author:** [@JerryD](https://discourse.nodered.org/u/JerryD)\
**Replies:** 4\
**Last updated:** [7 March 2020 18:34 UTC](https://discourse.nodered.org/t/cant-get-node-red-contrib-groov-io-to-install/22738 "2020-03-07T18:34:09Z")

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Can not install the subject node to install in the pallette. I have copied the error log. I have tried both the manual instructions and the install button and nothing works. Any suggestions/help? Jerry 2020-03-06T19…

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## [Separate MQTT JSON message](https://discourse.nodered.org/t/separate-mqtt-json-message/22766)

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**Author:** [@eduardoluiztodero](https://discourse.nodered.org/u/eduardoluiztodero)\
**Replies:** 9\
**Last updated:** [7 March 2020 18:29 UTC](https://discourse.nodered.org/t/separate-mqtt-json-message/22766 "2020-03-07T18:29:28Z")

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Hello guys, I'm developing an IoT project and I'm sending data from my ESP32 to an MQTT broker and I want to build a dasboard on Node-red. I'm sending it in JSON form, because I read that this is the best form when it co…

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## [Simple date time question but i can not find answer](https://discourse.nodered.org/t/simple-date-time-question-but-i-can-not-find-answer/22762)

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**Author:** [@GravityRZ](https://discourse.nodered.org/u/GravityRZ)\
**Replies:** 6\
**Last updated:** [7 March 2020 17:32 UTC](https://discourse.nodered.org/t/simple-date-time-question-but-i-can-not-find-answer/22762 "2020-03-07T17:32:37Z")

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i am trying to get an european date and time. time is no problem but the date still keeps the format of mm/dd/yyyy despite the fact that i am using nl-NL as a matter of fact i can try any locale but the date keeps the…

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## [Node "moment", output format "calendar", different results](https://discourse.nodered.org/t/node-moment-output-format-calendar-different-results/22697)

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**Author:** [@QbaF](https://discourse.nodered.org/u/QbaF)\
**Replies:** 23\
**Last updated:** [7 March 2020 16:53 UTC](https://discourse.nodered.org/t/node-moment-output-format-calendar-different-results/22697 "2020-03-07T16:53:26Z")

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Hi, I am using node moment to humanize time. I've tried the Output Format calendar. It generally works great but for some 20% cases it gives me wrong time. E.g. from the future. When it works ok, the message looks like …

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## [File node creates us-ascii files instead of utf8 on Armbian](https://discourse.nodered.org/t/file-node-creates-us-ascii-files-instead-of-utf8-on-armbian/22763)

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**Author:** [@croco](https://discourse.nodered.org/u/croco)\
**Replies:** 0\
**Last updated:** [7 March 2020 15:07 UTC](https://discourse.nodered.org/t/file-node-creates-us-ascii-files-instead-of-utf8-on-armbian/22763 "2020-03-07T15:07:03Z")

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Hello, I'm facing an irritating issue. While trying to save JSON using File node the file that is created nearly always has us-ascii encoing. It works well when JSON does not contain any special chars, but when I try to …

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## [Setup to window PC](https://discourse.nodered.org/t/setup-to-window-pc/22746)

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**Author:** [@buidiena3](https://discourse.nodered.org/u/buidiena3)\
**Replies:** 2\
**Last updated:** [7 March 2020 14:52 UTC](https://discourse.nodered.org/t/setup-to-window-pc/22746 "2020-03-07T14:52:39Z")

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Question for the group. I am trying to have more then one instance of Node-Red running (which I have). However, I would like to now use the options in the settings.js to get some more control, but can't seem to make it …

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## [Help required for data format conversion](https://discourse.nodered.org/t/help-required-for-data-format-conversion/22744)

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**Author:** [@ashish\_8284](https://discourse.nodered.org/u/ashish_8284)\
**Replies:** 2\
**Last updated:** [7 March 2020 14:49 UTC](https://discourse.nodered.org/t/help-required-for-data-format-conversion/22744 "2020-03-07T14:49:54Z")

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Hi friends, I need help for data format conversion in node red. i have read three data point from PLC using Siemens S7comm node. data recieved is in array. i have converted it in to json using json node. v have conv…

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## [Debug node produces output while muted](https://discourse.nodered.org/t/debug-node-produces-output-while-muted/22749)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 17\
**Last updated:** [7 March 2020 14:29 UTC](https://discourse.nodered.org/t/debug-node-produces-output-while-muted/22749 "2020-03-07T14:29:38Z")

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As subject, I have 1 debug node that produces output while it's muted, how is this possible ?

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## [Strange Behavior between calling a JS script manually or in a loop](https://discourse.nodered.org/t/strange-behavior-between-calling-a-js-script-manually-or-in-a-loop/22668)

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**Author:** [@twproject](https://discourse.nodered.org/u/twproject)\
**Replies:** 15\
**Last updated:** [7 March 2020 13:42 UTC](https://discourse.nodered.org/t/strange-behavior-between-calling-a-js-script-manually-or-in-a-loop/22668 "2020-03-07T13:42:08Z")

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Hi all, i create a flow with a javascript code that convert a number to binary (6 numbers) and based on 1 or 0 poweron/poweroff 6 switches and wait 3 seconds for 64 cycles (2^6 possibilities) and then reset to 1 All wo…

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## [Node-red is not recognized as an internal or external command](https://discourse.nodered.org/t/node-red-is-not-recognized-as-an-internal-or-external-command/22742)

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**Author:** [@mike100](https://discourse.nodered.org/u/mike100)\
**Replies:** 1\
**Last updated:** [7 March 2020 09:22 UTC](https://discourse.nodered.org/t/node-red-is-not-recognized-as-an-internal-or-external-command/22742 "2020-03-07T09:22:14Z")

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I am working on windows 10 and had downloaded node red for a project,using the node-red command on the command line everything was functioning and I could use it just fine.A couple of days ago suddenly it stopped working…

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## [How many MQTT devices and publishes is too many](https://discourse.nodered.org/t/how-many-mqtt-devices-and-publishes-is-too-many/22713)

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**Author:** [@SilasWesley](https://discourse.nodered.org/u/SilasWesley)\
**Replies:** 8\
**Last updated:** [6 March 2020 22:30 UTC](https://discourse.nodered.org/t/how-many-mqtt-devices-and-publishes-is-too-many/22713 "2020-03-06T22:30:42Z")

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So I have around 12 esp32's with relays and temperature sensors for my smart home. Each of them publishes the temperature to Node Red via MQTT every few seconds. Could these be slowing down my network? Over the past mon…

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## [Webcam / IFrame problem with LAN / WAN enviroment](https://discourse.nodered.org/t/webcam-iframe-problem-with-lan-wan-enviroment/22584)

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**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\
**Replies:** 5\
**Last updated:** [6 March 2020 17:41 UTC](https://discourse.nodered.org/t/webcam-iframe-problem-with-lan-wan-enviroment/22584 "2020-03-06T17:41:36Z")

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Hiho my friends. I ve a problem with iframes of my webcams when changing the network enviroment. I forwarded my ports of the node red user interface to make it accessable from everywhere in the www. I ve some webcams i…

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## [Find file storage node](https://discourse.nodered.org/t/find-file-storage-node/22728)

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**Author:** [@Pilljar](https://discourse.nodered.org/u/Pilljar)\
**Replies:** 2\
**Last updated:** [6 March 2020 17:09 UTC](https://discourse.nodered.org/t/find-file-storage-node/22728 "2020-03-06T17:09:52Z")

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I am trying to find a source for the File Storage node. This is the one with just an input connection and stores text as a file. Can anyone tell me where it has gone to.

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## [\[Solved\] Q: on a function](https://discourse.nodered.org/t/solved-q-on-a-function/22725)

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**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 1\
**Last updated:** [6 March 2020 16:52 UTC](https://discourse.nodered.org/t/solved-q-on-a-function/22725 "2020-03-06T16:52:56Z")

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Hi new to node-red. Can someone pls tell me what's wrong with this simple function? The "if" filter is not working. TIA

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## [Update my Payload with calculated values (counting messages)](https://discourse.nodered.org/t/update-my-payload-with-calculated-values-counting-messages/22706)

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**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 6\
**Last updated:** [6 March 2020 13:34 UTC](https://discourse.nodered.org/t/update-my-payload-with-calculated-values-counting-messages/22706 "2020-03-06T13:34:55Z")

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Hello there, it could be a stupid Question but a cant see the solution atm. for my Question i use a simplified flow. MQTTServer Node -\> Function Node -\> Debug Node \[{"id":"8aad5e6d.f167b","type":"mqtt in","z":"af61…

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## [Nodered on Kubernetes with Ingress controller](https://discourse.nodered.org/t/nodered-on-kubernetes-with-ingress-controller/22709)

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**Author:** [@shrey.garg](https://discourse.nodered.org/u/shrey.garg)\
**Replies:** 0\
**Last updated:** [6 March 2020 13:10 UTC](https://discourse.nodered.org/t/nodered-on-kubernetes-with-ingress-controller/22709 "2020-03-06T13:10:23Z")

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Hi, I am trying to deploy nodered in AKS (Azure Kubernetes Service) and expose it via Ingress controller. I have used nodered/node-red image and followed the process defined in here. After deployment and creating the i…

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## [Node Red Update SQL](https://discourse.nodered.org/t/node-red-update-sql/21850)

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**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 17\
**Last updated:** [6 March 2020 12:31 UTC](https://discourse.nodered.org/t/node-red-update-sql/21850 "2020-03-06T12:31:43Z")

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Hello , I am new into Node Red and i learn a lot. There is one issue wich i cant solve with an online search. Maybe i am getting something wrong… I would like to Update a Value on a SQL Database table. For testing i…

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## [Node red crash. - JavaScript heap out of memory](https://discourse.nodered.org/t/node-red-crash-javascript-heap-out-of-memory/22666)

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**Author:** [@erikjo](https://discourse.nodered.org/u/erikjo)\
**Replies:** 9\
**Last updated:** [6 March 2020 12:16 UTC](https://discourse.nodered.org/t/node-red-crash-javascript-heap-out-of-memory/22666 "2020-03-06T12:16:28Z")

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Hello Volks. I have developed a Node red application and version control it on github. I have used the project feature and my version controlled files are like below: \[flows\_raspberrymongo.json\] \[flows\_raspberrymongo\_…

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## [Unable to install node-red - on raspian buster 2020-02-13](https://discourse.nodered.org/t/unable-to-install-node-red-on-raspian-buster-2020-02-13/22642)

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**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\
**Replies:** 19\
**Last updated:** [6 March 2020 11:54 UTC](https://discourse.nodered.org/t/unable-to-install-node-red-on-raspian-buster-2020-02-13/22642 "2020-03-06T11:54:04Z")

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Hi, on my PI 3B I've installed the last raspian buster (release data 2020-02-13 image with desktop based on Debian Buster). I'm getting mad, trying several time even reinstalling the OS, but I cannot install node-red in…

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## [Email image attachment](https://discourse.nodered.org/t/email-image-attachment/22690)

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**Author:** [@ncsalb](https://discourse.nodered.org/u/ncsalb)\
**Replies:** 0\
**Last updated:** [6 March 2020 07:26 UTC](https://discourse.nodered.org/t/email-image-attachment/22690 "2020-03-06T07:26:45Z")

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Hello! I want to send a simple image attachment to my email account. As you can see below, I can already send a sample email but the problem is .. it doesn't show or it can't download the attached photo. I hope you guys…

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## [Node-red can't read the data from the kepserver](https://discourse.nodered.org/t/node-red-cant-read-the-data-from-the-kepserver/22685)

<div class="topic-metadata">

**Author:** [@ncsalb](https://discourse.nodered.org/u/ncsalb)\
**Replies:** 0\
**Last updated:** [6 March 2020 03:57 UTC](https://discourse.nodered.org/t/node-red-cant-read-the-data-from-the-kepserver/22685 "2020-03-06T03:57:13Z")

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Hello guys! So we're trying to READ the KEPSERVER using NODE-RED. So my problem is that the NODE-RED CAN'T READ THE DATA FROM THE KEPSERVER... As you can see in the attached photo, the Debug Node reads only the Inject N…

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