# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=675

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

**Page:** 676

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## [Odd problem with function node in v1.1.3. Bug?](https://discourse.nodered.org/t/odd-problem-with-function-node-in-v1-1-3-bug/33636)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [1 October 2020 16:57 UTC](https://discourse.nodered.org/t/odd-problem-with-function-node-in-v1-1-3-bug/33636 "2020-10-01T16:57:46Z")

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The node thinks there is an error in the function code. As it happens, there is an error as you can see from the raw data in the debug output. But I don't know how the node could know that since it has no access to th…

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## [Node-Red to run in AWS EC2 with https](https://discourse.nodered.org/t/node-red-to-run-in-aws-ec2-with-https/33631)

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**Author:** [@Yuji09](https://discourse.nodered.org/u/Yuji09)\
**Replies:** 0\
**Last updated:** [1 October 2020 15:02 UTC](https://discourse.nodered.org/t/node-red-to-run-in-aws-ec2-with-https/33631 "2020-10-01T15:02:54Z")

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Hi, It works greate to run Node-Red in an AWS ES2 instance (ubuntu vertual machine). However, the ND editor is not particulary secure because it is under http. I want to run it under https. I tried to run it under hitt…

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## [How to get/put file using SFTP node](https://discourse.nodered.org/t/how-to-get-put-file-using-sftp-node/33628)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 1\
**Last updated:** [1 October 2020 14:57 UTC](https://discourse.nodered.org/t/how-to-get-put-file-using-sftp-node/33628 "2020-10-01T14:57:54Z")

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Hi, I have installed xampp as a file server. I used the List method of SFTP node to see the file and directory information at Remote Path: In the Method list of this node, there are many other methods such as Get, P…

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## [TCP In node limitation](https://discourse.nodered.org/t/tcp-in-node-limitation/33602)

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**Author:** [@sivawabco](https://discourse.nodered.org/u/sivawabco)\
**Replies:** 1\
**Last updated:** [1 October 2020 13:48 UTC](https://discourse.nodered.org/t/tcp-in-node-limitation/33602 "2020-10-01T13:48:08Z")

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Hi Team, We are sending 400 packets per second from a device to TCP In node on a specific port. How it will be processed by that Node? Whether there will be any delay? Can it handle multiple packets per second? Regar…

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## [Heater Control Rasp Pi Output](https://discourse.nodered.org/t/heater-control-rasp-pi-output/33584)

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**Author:** [@Canada](https://discourse.nodered.org/u/Canada)\
**Replies:** 4\
**Last updated:** [1 October 2020 13:24 UTC](https://discourse.nodered.org/t/heater-control-rasp-pi-output/33584 "2020-10-01T13:24:06Z")

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Please help, I can't get this flow to work. \[{"id":"f8ffbc74.d4852","type":"ui\_heater\_controller","z":"3c18521c.5f221e","name":"heater","group":"835b44b6.ccfa28","unit":"C","order":1,"width":"6","height":3,"topic":"","t…

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## [Read data from Victron Solar Inverter into Node-Red](https://discourse.nodered.org/t/read-data-from-victron-solar-inverter-into-node-red/31439)

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**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 3\
**Last updated:** [1 October 2020 13:17 UTC](https://discourse.nodered.org/t/read-data-from-victron-solar-inverter-into-node-red/31439 "2020-10-01T13:17:10Z")

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Hi all, I am running a Victron Solar Inverter and really would like to get data from it into my Node-Red Setup. There are several ways, but none of them worked for me so far :frowning: MQTT ... I activated the Victr…

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## [Pins Not available](https://discourse.nodered.org/t/pins-not-available/33608)

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**Author:** [@cris\_ramil](https://discourse.nodered.org/u/cris_ramil)\
**Replies:** 4\
**Last updated:** [1 October 2020 13:01 UTC](https://discourse.nodered.org/t/pins-not-available/33608 "2020-10-01T13:01:36Z")

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Can someone helped i've been having problems on my raspberry pi where PINS ARE NOT AVAILABLE FOR OUTPUT. Why is that so, I've been using Node-red and the input are working well.

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## [Data Scraping - Get the value of an input (html code) to Node Red](https://discourse.nodered.org/t/data-scraping-get-the-value-of-an-input-html-code-to-node-red/33554)

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**Author:** [@INCASE](https://discourse.nodered.org/u/INCASE)\
**Replies:** 3\
**Last updated:** [1 October 2020 13:04 UTC](https://discourse.nodered.org/t/data-scraping-get-the-value-of-an-input-html-code-to-node-red/33554 "2020-10-01T13:04:44Z")

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Hello Everyone, I'm a student, and I'm startingfor a project I need to extract value from the localhost of my captor to InlfuxDB. When I'm using the node "html", I can't get the value of the captor m0. Do you have a…

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## [Cut Strings and convert to int](https://discourse.nodered.org/t/cut-strings-and-convert-to-int/33614)

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**Author:** [@SalazarSlytherin](https://discourse.nodered.org/u/SalazarSlytherin)\
**Replies:** 2\
**Last updated:** [1 October 2020 10:11 UTC](https://discourse.nodered.org/t/cut-strings-and-convert-to-int/33614 "2020-10-01T10:11:45Z")

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Hey guys, i get some Sensor Values per MQTT in my Node Red Flow and they always have a timestamp which always has the same form. The Code should look like this. But i don't know how to get Characters out of the whole s…

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## [Decimal value to 32bit Floating Value](https://discourse.nodered.org/t/decimal-value-to-32bit-floating-value/15888)

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**Author:** [@DSongra11\_forum.com](https://discourse.nodered.org/u/DSongra11_forum.com)\
**Replies:** 12\
**Last updated:** [1 October 2020 10:05 UTC](https://discourse.nodered.org/t/decimal-value-to-32bit-floating-value/15888 "2020-10-01T10:05:04Z")

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Hello, I am fetching data from the Energy meter 32bit value as voltage parameter, but it is showing in decimal value, i want to convert decimal value into 32bit Float value. Br. Devendra

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## [Someone is using kubernetes (or alternative) on the edge?](https://discourse.nodered.org/t/someone-is-using-kubernetes-or-alternative-on-the-edge/33610)

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**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 1\
**Last updated:** [1 October 2020 09:09 UTC](https://discourse.nodered.org/t/someone-is-using-kubernetes-or-alternative-on-the-edge/33610 "2020-10-01T09:09:52Z")

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I am just wondering if someone is running node-red and other services in a kubernetes cluster on the edge (= running on the devices at your home/business). I am equally interested in any kubernetes alternatives running …

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## [Problems with Node-Red flow credentials](https://discourse.nodered.org/t/problems-with-node-red-flow-credentials/33597)

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**Author:** [@MasterOne](https://discourse.nodered.org/u/MasterOne)\
**Replies:** 3\
**Last updated:** [1 October 2020 08:15 UTC](https://discourse.nodered.org/t/problems-with-node-red-flow-credentials/33597 "2020-10-01T08:15:55Z")

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I recently installed Node-Red with their script command \`\`\` bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) "Welcome to Node-RED =================== …

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## [Is it possible to computation in node change?](https://discourse.nodered.org/t/is-it-possible-to-computation-in-node-change/33599)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 2\
**Last updated:** [1 October 2020 07:07 UTC](https://discourse.nodered.org/t/is-it-possible-to-computation-in-node-change/33599 "2020-10-01T07:07:59Z")

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I want to get the length of the array + 1, and set the value of the node change. I have tried 2 ways as below but don't work. If possible, please tell me. Thanks!

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## [Want to test out Node-Red?](https://discourse.nodered.org/t/want-to-test-out-node-red/33598)

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**Author:** [@NProwler](https://discourse.nodered.org/u/NProwler)\
**Replies:** 0\
**Last updated:** [1 October 2020 01:32 UTC](https://discourse.nodered.org/t/want-to-test-out-node-red/33598 "2020-10-01T01:32:10Z")

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While ago I found a great way to Test out a newer versions of Node-Red or just to test out a Node I was not to sure about without installing anything on to my own hardware. I started to use https://katacoda.com/ Train…

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## [Completely uninstall node-red and install v 1.0.6](https://discourse.nodered.org/t/completely-uninstall-node-red-and-install-v-1-0-6/33588)

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**Author:** [@daniel.phillips](https://discourse.nodered.org/u/daniel.phillips)\
**Replies:** 7\
**Last updated:** [30 September 2020 23:48 UTC](https://discourse.nodered.org/t/completely-uninstall-node-red-and-install-v-1-0-6/33588 "2020-09-30T23:48:28Z")

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Hi everyone, I am trying to uninstall the current version of node-red completely and then install v1.0.6 because I need it for a module. This is the module I need: It doesn't seem to work on 1.1.3 since I can't fi…

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## [Send read telegram message?](https://discourse.nodered.org/t/send-read-telegram-message/33587)

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**Author:** [@m\_elias](https://discourse.nodered.org/u/m_elias)\
**Replies:** 2\
**Last updated:** [30 September 2020 22:51 UTC](https://discourse.nodered.org/t/send-read-telegram-message/33587 "2020-09-30T22:51:41Z")

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I'm using node-red-contrib-telegrambot. Is it possible to send a message marked as read so that there's no unread notification? I already have that group muted but some of the messages are more for logging purposed than …

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## [Can get the element of the array for the value of node change?](https://discourse.nodered.org/t/can-get-the-element-of-the-array-for-the-value-of-node-change/33550)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 5\
**Last updated:** [30 September 2020 22:08 UTC](https://discourse.nodered.org/t/can-get-the-element-of-the-array-for-the-value-of-node-change/33550 "2020-09-30T22:08:53Z")

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Hi, I try to get value of the array as the value for the variable setted by a change node, but regardless of setting below, I can't get the element of the array: msg.payload\[msg.i\] msg.payload & '\[' & msg.i & '\]' If…

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## [One Ring To Rule Them All?](https://discourse.nodered.org/t/one-ring-to-rule-them-all/33421)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 16\
**Last updated:** [30 September 2020 21:40 UTC](https://discourse.nodered.org/t/one-ring-to-rule-them-all/33421 "2020-09-30T21:40:25Z")

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Sorry for the easy rip off of the Lord of the Rings... But it qualifies my question... Does someone have an elegant example of how to turn off a group of switches buttons when one of the group is turned on? In short, …

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## [Counter to syncronise Spotify track duration. Bit of an ask....!](https://discourse.nodered.org/t/counter-to-syncronise-spotify-track-duration-bit-of-an-ask/33524)

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**Author:** [@Mobile\_NR\_Env](https://discourse.nodered.org/u/Mobile_NR_Env)\
**Replies:** 1\
**Last updated:** [30 September 2020 21:07 UTC](https://discourse.nodered.org/t/counter-to-syncronise-spotify-track-duration-bit-of-an-ask/33524 "2020-09-30T21:07:42Z")

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Hello! I've integrated HA Spotify tracks (currently playing) into node red flows. Got some of my fav tracks colour matched to the lighting states on the RGB lights in the living room. What I am trying to find is a sec…

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## [MQTT garage door opener with Node-RED](https://discourse.nodered.org/t/mqtt-garage-door-opener-with-node-red/33162)

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**Author:** [@mandeepmails](https://discourse.nodered.org/u/mandeepmails)\
**Replies:** 105\
**Last updated:** [30 September 2020 19:42 UTC](https://discourse.nodered.org/t/mqtt-garage-door-opener-with-node-red/33162 "2020-09-30T19:42:40Z")

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Hi All, i'm trying to use ESP8266 NodeMCU (planning to use Tasmota for 2 reasons one HTTP as back up and more GUI, also able to use few relays and sonoffs so far with MQTT already) Does anyone have a basic similar buil…

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## [MySQL: Packets out of order error](https://discourse.nodered.org/t/mysql-packets-out-of-order-error/33343)

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**Author:** [@antonio.ift](https://discourse.nodered.org/u/antonio.ift)\
**Replies:** 10\
**Last updated:** [30 September 2020 19:28 UTC](https://discourse.nodered.org/t/mysql-packets-out-of-order-error/33343 "2020-09-30T19:28:37Z")

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Hi everyone, I have an issue when I'm creating a table via mysql. When I'm sending the query, the first time is ok but if I send the same query again I get this error: \[error\] \[mysql:268ef42f.aea6f4\] Error: Packets ou…

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## [Which files need version control?](https://discourse.nodered.org/t/which-files-need-version-control/33201)

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**Author:** [@LosinIt](https://discourse.nodered.org/u/LosinIt)\
**Replies:** 13\
**Last updated:** [30 September 2020 19:15 UTC](https://discourse.nodered.org/t/which-files-need-version-control/33201 "2020-09-30T19:15:07Z")

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I found only one topic that's close to my question but it's old and I'd rather not necro-bump. I have a local Subversion server that I want to use for versioning my changes/additions to my work. I read about Projects bu…

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## [Pages not indexed in the cookbook](https://discourse.nodered.org/t/pages-not-indexed-in-the-cookbook/33580)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 2\
**Last updated:** [30 September 2020 18:16 UTC](https://discourse.nodered.org/t/pages-not-indexed-in-the-cookbook/33580 "2020-09-30T18:16:33Z")

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There appear to be pages missing from the node red cookbook index. For example the join streams page is not there. Unless I am going blind.

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## [WISE 4060 (advantech) to node red](https://discourse.nodered.org/t/wise-4060-advantech-to-node-red/33547)

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**Author:** [@Ron10](https://discourse.nodered.org/u/Ron10)\
**Replies:** 1\
**Last updated:** [30 September 2020 17:55 UTC](https://discourse.nodered.org/t/wise-4060-advantech-to-node-red/33547 "2020-09-30T17:55:12Z")

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Hello, i'am using Node red to receive the massage from my wise 4060 using modbus tcp . it works wen i instal de modbus tcp with the wise 4060 as modbus server and link to a debug note. i get the following message Wise …

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## [Interacting with a website](https://discourse.nodered.org/t/interacting-with-a-website/33521)

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**Author:** [@Luke](https://discourse.nodered.org/u/Luke)\
**Replies:** 2\
**Last updated:** [30 September 2020 16:42 UTC](https://discourse.nodered.org/t/interacting-with-a-website/33521 "2020-09-30T16:42:26Z")

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Hello, I would like to be able to write and read information from the EPAs Greenhouse Gas Equivalencies Calculator: https://www.epa.gov/energy/greenhouse-gas-equivalencies-calculator I'll start with just being able to …

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## [Set ALEXA REMINDER via NODE-RED once Daily / Weekly](https://discourse.nodered.org/t/set-alexa-reminder-via-node-red-once-daily-weekly/33347)

<div class="topic-metadata">

**Author:** [@bilalinamdar](https://discourse.nodered.org/u/bilalinamdar)\
**Replies:** 4\
**Last updated:** [30 September 2020 16:06 UTC](https://discourse.nodered.org/t/set-alexa-reminder-via-node-red-once-daily-weekly/33347 "2020-09-30T16:06:28Z")

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Dear Team, First Of all i am new to node-red but i really loved it. I have raspberry pi 4b 4gb and i have configured the Node-red on it for always on. Also have Alexa echo. Project :- Want to make prayer reminder/aler…

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## [Load EcmaScript module](https://discourse.nodered.org/t/load-ecmascript-module/33559)

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**Author:** [@d0d04m3](https://discourse.nodered.org/u/d0d04m3)\
**Replies:** 1\
**Last updated:** [30 September 2020 14:59 UTC](https://discourse.nodered.org/t/load-ecmascript-module/33559 "2020-09-30T14:59:54Z")

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hi i have some probleme when add EcmaScript module to node-red this module use import not require so how add it to functionGlobalContext in settings.js same CommonJS method or other way to add it!

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## [Json "nesting" - extracting key data](https://discourse.nodered.org/t/json-nesting-extracting-key-data/33569)

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**Author:** [@haskle](https://discourse.nodered.org/u/haskle)\
**Replies:** 2\
**Last updated:** [30 September 2020 14:33 UTC](https://discourse.nodered.org/t/json-nesting-extracting-key-data/33569 "2020-09-30T14:33:06Z")

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A url containing my API for some solar panels returns the following: {"overview":{"lastUpdateTime":"2020-09-30 14:19:23","lifeTimeData":{"energy":1165545.0,"revenue":248.58372},"lastYearData":{"energy":1129885.0},"lastM…

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## [Conversion does not work for me?](https://discourse.nodered.org/t/conversion-does-not-work-for-me/33558)

<div class="topic-metadata">

**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 7\
**Last updated:** [30 September 2020 13:32 UTC](https://discourse.nodered.org/t/conversion-does-not-work-for-me/33558 "2020-09-30T13:32:52Z")

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Hi, i am reading several float values from Global and add them up in parameter payload: var v1 = global.get('V.S.Power')||0; var v2 = global.get('V.N.Power')||0; var v3 = global.get('V.O.Power')||0; msg.payload =…

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## [How to delete a branch with Nodered Projects](https://discourse.nodered.org/t/how-to-delete-a-branch-with-nodered-projects/33566)

<div class="topic-metadata">

**Author:** [@Charlotte](https://discourse.nodered.org/u/Charlotte)\
**Replies:** 2\
**Last updated:** [30 September 2020 12:56 UTC](https://discourse.nodered.org/t/how-to-delete-a-branch-with-nodered-projects/33566 "2020-09-30T12:56:10Z")

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Hi, I'm starting using Projects and I can't find how to delete a local branch, do you know how ? I merged and deleted it on my Bitbucket repo but I would like it to be deleted also locally. Thank you

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