# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=743

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

**Page:** 744

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## [DropBox node not responding to new file in DropBox](https://discourse.nodered.org/t/dropbox-node-not-responding-to-new-file-in-dropbox/24155)

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**Author:** [@DamianosS](https://discourse.nodered.org/u/DamianosS)\
**Replies:** 12\
**Last updated:** [25 May 2020 10:16 UTC](https://discourse.nodered.org/t/dropbox-node-not-responding-to-new-file-in-dropbox/24155 "2020-05-25T10:16:38Z")

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Hi all, Before opening an issue, I'd request for advice regarding any logging or monitoring means, to allow a better issue description and issue reproduction. What is happening: I have a DropBox node watching for any n…

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## [Node red custom websocket how to handle connections](https://discourse.nodered.org/t/node-red-custom-websocket-how-to-handle-connections/24145)

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**Author:** [@VIKRAMAS](https://discourse.nodered.org/u/VIKRAMAS)\
**Replies:** 4\
**Last updated:** [25 May 2020 10:05 UTC](https://discourse.nodered.org/t/node-red-custom-websocket-how-to-handle-connections/24145 "2020-05-25T10:05:48Z")

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I have written a WebSocket code for creating WebSocket connections dynamically. Below is the custom node code. module.exports = function(RED) { var WebSocket = require('ws'); function CustomWebSocketListener(co…

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## [Custom Node error \[object Object\]](https://discourse.nodered.org/t/custom-node-error-object-object/27239)

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**Author:** [@Serge](https://discourse.nodered.org/u/Serge)\
**Replies:** 3\
**Last updated:** [25 May 2020 09:52 UTC](https://discourse.nodered.org/t/custom-node-error-object-object/27239 "2020-05-25T09:52:32Z")

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I have a need for dynamic Websocket's for my project. However this isn't supported by the core nodes. I came across VIKRAMAS's posts on this forum, about the nodes he has written with dynamic Websocket support. Here: C…

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## [Help with RF Bridge](https://discourse.nodered.org/t/help-with-rf-bridge/27211)

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**Author:** [@robfix](https://discourse.nodered.org/u/robfix)\
**Replies:** 4\
**Last updated:** [25 May 2020 09:13 UTC](https://discourse.nodered.org/t/help-with-rf-bridge/27211 "2020-05-25T09:13:17Z")

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Hi all This is my first topic please be gentle with me. I hope some of you can help me with a project I’m trying to do. Iv been on this project for a week and getting nowhere as I’m new to node red. If anyone can poin…

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## [Scan code automatization](https://discourse.nodered.org/t/scan-code-automatization/26936)

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**Author:** [@belo0196](https://discourse.nodered.org/u/belo0196)\
**Replies:** 30\
**Last updated:** [25 May 2020 08:02 UTC](https://discourse.nodered.org/t/scan-code-automatization/26936 "2020-05-25T08:02:26Z")

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hello all, i'm starting to use Node-Red and i would like to compare a number code ( 123456 ) that is in an email, between a code in input (barcode 123456) and than do something. I'm doing this for a school project like …

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## [Trace error - Unknown context store '1588626347214' specified. Using default store](https://discourse.nodered.org/t/trace-error-unknown-context-store-1588626347214-specified-using-default-store/26095)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 6\
**Last updated:** [25 May 2020 07:00 UTC](https://discourse.nodered.org/t/trace-error-unknown-context-store-1588626347214-specified-using-default-store/26095 "2020-05-25T07:00:36Z")

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HI, I am trying to trace where this error comes from - I have about 30 context data in 6 different flows, snot that easy to find - or is it? 04/05/2020, 23:05:48 msg : string\[69\] "Unknown context store '1588626347214…

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## [Why Isn't Manage palette Showing up](https://discourse.nodered.org/t/why-isnt-manage-palette-showing-up/27219)

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**Author:** [@ethandaniels](https://discourse.nodered.org/u/ethandaniels)\
**Replies:** 20\
**Last updated:** [24 May 2020 23:49 UTC](https://discourse.nodered.org/t/why-isnt-manage-palette-showing-up/27219 "2020-05-24T23:49:21Z")

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I am trying to install nodes and when I open node-red the log says that npm could not be found

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## [Can I check node-red with a differents internet connections?](https://discourse.nodered.org/t/can-i-check-node-red-with-a-differents-internet-connections/27216)

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**Author:** [@Emilio](https://discourse.nodered.org/u/Emilio)\
**Replies:** 3\
**Last updated:** [24 May 2020 21:40 UTC](https://discourse.nodered.org/t/can-i-check-node-red-with-a-differents-internet-connections/27216 "2020-05-24T21:40:25Z")

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Hello Guys! I am really new in this, I made a Dashboard and works fine using the same internet connection (Raspberry and computer conected to the same wifi), but when I tried to open this dashboard with my smathphone (u…

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## [Can't retrieve a textarea property's value](https://discourse.nodered.org/t/cant-retrieve-a-textarea-propertys-value/27206)

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**Author:** [@jmnobre](https://discourse.nodered.org/u/jmnobre)\
**Replies:** 4\
**Last updated:** [24 May 2020 21:25 UTC](https://discourse.nodered.org/t/cant-retrieve-a-textarea-propertys-value/27206 "2020-05-24T21:25:57Z")

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Hi, Looking at similar questions I found only this one, which looks abandoned since August... So,, summarizing my issue, I am creating a new node... and though using a textarea for one of the properties, and after some…

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## [Node-red-contrib-telegrambot Callback](https://discourse.nodered.org/t/node-red-contrib-telegrambot-callback/27162)

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**Author:** [@Hunter](https://discourse.nodered.org/u/Hunter)\
**Replies:** 1\
**Last updated:** [24 May 2020 21:20 UTC](https://discourse.nodered.org/t/node-red-contrib-telegrambot-callback/27162 "2020-05-24T21:20:42Z")

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Hello, I'm using the node-red-contrib-telegrambot and configured a command which triggers 4 buttons. When a user clicks one of the buttons a callback should be made to let my BOT perform a command. Can anyone provide an…

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## [Telegram Inline keyboard without Command node](https://discourse.nodered.org/t/telegram-inline-keyboard-without-command-node/13275)

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**Author:** [@greengolfer](https://discourse.nodered.org/u/greengolfer)\
**Replies:** 33\
**Last updated:** [24 May 2020 21:19 UTC](https://discourse.nodered.org/t/telegram-inline-keyboard-without-command-node/13275 "2020-05-24T21:19:37Z")

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Hello, From https://flows.nodered.org/node/node-red-contrib-telegrambot I can create a flow to start a chat (the /foo example). However this requires the user to send the /foo to start the process using a command node. …

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## [Node-red-node-pushover user key not encripted in the interface](https://discourse.nodered.org/t/node-red-node-pushover-user-key-not-encripted-in-the-interface/27134)

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**Author:** [@peret2000](https://discourse.nodered.org/u/peret2000)\
**Replies:** 9\
**Last updated:** [24 May 2020 20:27 UTC](https://discourse.nodered.org/t/node-red-node-pushover-user-key-not-encripted-in-the-interface/27134 "2020-05-24T20:27:46Z")

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Hello, I have noticed that User key and API Token are stored in credentials storage, and it is very good, to keep private data safe. However, from the user interface perspective, User key is not protected, so it can be…

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## [How to stream real time webcam image to node-red at regular interval?](https://discourse.nodered.org/t/how-to-stream-real-time-webcam-image-to-node-red-at-regular-interval/27070)

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**Author:** [@mst](https://discourse.nodered.org/u/mst)\
**Replies:** 8\
**Last updated:** [24 May 2020 18:00 UTC](https://discourse.nodered.org/t/how-to-stream-real-time-webcam-image-to-node-red-at-regular-interval/27070 "2020-05-24T18:00:05Z")

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Hello every one, i want to know how to click image one by one from laptop webcam in regular interval so as to feed that image to ibm visual recognition model in node-red? Is there any other node through which we can do t…

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## [Error: ER\_PARSE\_ERROR: You have an error in your SQL syntax;](https://discourse.nodered.org/t/error-er-parse-error-you-have-an-error-in-your-sql-syntax/27188)

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**Author:** [@JSON\_Parser](https://discourse.nodered.org/u/JSON_Parser)\
**Replies:** 16\
**Last updated:** [24 May 2020 15:37 UTC](https://discourse.nodered.org/t/error-er-parse-error-you-have-an-error-in-your-sql-syntax/27188 "2020-05-24T15:37:46Z")

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Hello everybody. I'm new to Node Red. I'm about to replace a JS module that has been running on my NAS for some time, with Node Red. It is about writing the content of an MQTT message into a MariaDB 5. Everything works …

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## [Missing Palette in my NodeRed menu](https://discourse.nodered.org/t/missing-palette-in-my-nodered-menu/27187)

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**Author:** [@htrendafilov](https://discourse.nodered.org/u/htrendafilov)\
**Replies:** 2\
**Last updated:** [24 May 2020 13:41 UTC](https://discourse.nodered.org/t/missing-palette-in-my-nodered-menu/27187 "2020-05-24T13:41:19Z")

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Hi! I suddenly found that my Palette link in Node-Red menu have dissapeared. Any I dea how I activate it ?

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## [Dynamically populate dropdown HTML in template node](https://discourse.nodered.org/t/dynamically-populate-dropdown-html-in-template-node/27185)

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**Author:** [@denK24](https://discourse.nodered.org/u/denK24)\
**Replies:** 0\
**Last updated:** [24 May 2020 12:27 UTC](https://discourse.nodered.org/t/dynamically-populate-dropdown-html-in-template-node/27185 "2020-05-24T12:27:22Z")

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My first post in the forum. I have searched various posts and website to get my task done but to no avail. I have my HTML set up to receive Javascript template. The list if hardcoded, there's no problem showing in the …

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## [Node-red-contrib-netvar - negative "REAL" Type PLC values arrive in node-red as null](https://discourse.nodered.org/t/node-red-contrib-netvar-negative-real-type-plc-values-arrive-in-node-red-as-null/27176)

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**Author:** [@yoba](https://discourse.nodered.org/u/yoba)\
**Replies:** 7\
**Last updated:** [24 May 2020 11:52 UTC](https://discourse.nodered.org/t/node-red-contrib-netvar-negative-real-type-plc-values-arrive-in-node-red-as-null/27176 "2020-05-24T11:52:29Z")

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Hi there, I was testing node-red on my Wago PFC200 (as a container in docker) and to do so I created a sinus function in my PLC with data type REAL. The node netvar-receiver can read my variable, however when the varia…

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## [Performance/memory use difference using links between tabs vs inside same tab](https://discourse.nodered.org/t/performance-memory-use-difference-using-links-between-tabs-vs-inside-same-tab/27179)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 5\
**Last updated:** [24 May 2020 10:01 UTC](https://discourse.nodered.org/t/performance-memory-use-difference-using-links-between-tabs-vs-inside-same-tab/27179 "2020-05-24T10:01:54Z")

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So, having cut back my 110 tabs on main Win10 PC Node-RED install to just the ones that I run 24/7, I'm thinking of splitting up some big tabs and using link nodes to other tabs instead to tidy things up and compartmenta…

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## [Run something if more msg are at false](https://discourse.nodered.org/t/run-something-if-more-msg-are-at-false/27157)

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**Author:** [@TechHome](https://discourse.nodered.org/u/TechHome)\
**Replies:** 15\
**Last updated:** [24 May 2020 09:16 UTC](https://discourse.nodered.org/t/run-something-if-more-msg-are-at-false/27157 "2020-05-24T09:16:39Z")

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How can I sent a mqtt message if msg.Terr1, msg.Gar1, msg.Gar2 and msg.Ht1 are false?

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## [Move node-red to faster RPi](https://discourse.nodered.org/t/move-node-red-to-faster-rpi/26863)

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**Author:** [@warnert](https://discourse.nodered.org/u/warnert)\
**Replies:** 6\
**Last updated:** [24 May 2020 06:45 UTC](https://discourse.nodered.org/t/move-node-red-to-faster-rpi/26863 "2020-05-24T06:45:08Z")

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I started installing node-red on a raspberry pi 2B and now regret that I didn't install it on a 3B. I know that you cannot simply put the sd card in the other machine and expect it to work. Different processor. Is the …

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## [Queueing messages - need help - can this flow be optimised?](https://discourse.nodered.org/t/queueing-messages-need-help-can-this-flow-be-optimised/27105)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 22\
**Last updated:** [24 May 2020 06:42 UTC](https://discourse.nodered.org/t/queueing-messages-need-help-can-this-flow-be-optimised/27105 "2020-05-24T06:42:27Z")

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On a side project to control a lightbulb - yeah, bit pitiful - with adjustments. If the bulb is on, any adjustments are done, and you can see the effect. Alas there is a problem that if the bulb is OFF and you change t…

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## [RPi-3 serial port problems](https://discourse.nodered.org/t/rpi-3-serial-port-problems/27153)

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**Author:** [@warnert](https://discourse.nodered.org/u/warnert)\
**Replies:** 4\
**Last updated:** [24 May 2020 06:38 UTC](https://discourse.nodered.org/t/rpi-3-serial-port-problems/27153 "2020-05-24T06:38:09Z")

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I had a setup running on a RPi-2 with sensors on the serial port, ttyAMA0. That worked. But it was a bit slow so I moved to a RPi-3. They used the ttyAMA0 port for bluetooth, so it is not free anymore. I found somethin…

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## [From ThingSpeak to Blynk](https://discourse.nodered.org/t/from-thingspeak-to-blynk/27150)

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**Author:** [@trocalos](https://discourse.nodered.org/u/trocalos)\
**Replies:** 2\
**Last updated:** [24 May 2020 00:11 UTC](https://discourse.nodered.org/t/from-thingspeak-to-blynk/27150 "2020-05-24T00:11:25Z")

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Hello, I’m trying to retrieve my own data that I throw at ThingsSpeak and send it to Blynk too In the debug I already get the data to appear, but too much information appears {“created\_at”: “2020-05-23T16: 26: 45Z”,…

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## [Needing help with using \`devtools\` in browser. I know this is off topic for Node-Red](https://discourse.nodered.org/t/needing-help-with-using-devtools-in-browser-i-know-this-is-off-topic-for-node-red/27161)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [23 May 2020 22:14 UTC](https://discourse.nodered.org/t/needing-help-with-using-devtools-in-browser-i-know-this-is-off-topic-for-node-red/27161 "2020-05-23T22:14:45Z")

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I am asking here so the environment is known. Node-Red. I have been told many times to use it and am learning/playing with it. I am very much on my L plates with what it is showing me and what it means. But I am see…

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## [Use npm in node-red](https://discourse.nodered.org/t/use-npm-in-node-red/27135)

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**Author:** [@cigno](https://discourse.nodered.org/u/cigno)\
**Replies:** 3\
**Last updated:** [23 May 2020 22:03 UTC](https://discourse.nodered.org/t/use-npm-in-node-red/27135 "2020-05-23T22:03:45Z")

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Hi everyone I would like to use this npm library but it gives me this error.

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## [Suggestion about \`change\` node. Re-think](https://discourse.nodered.org/t/suggestion-about-change-node-re-think/27119)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 10\
**Last updated:** [23 May 2020 21:17 UTC](https://discourse.nodered.org/t/suggestion-about-change-node-re-think/27119 "2020-05-23T21:17:44Z")

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I know it has been mentioned before - and probably will be mentioned again. I am sure I have complained about how it works with the commands: SET CHANGE DELETE MOVE Not wanting to make it more complicated, but I ju…

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## [Using Google Calendar node - authorisation not working](https://discourse.nodered.org/t/using-google-calendar-node-authorisation-not-working/4745)

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**Author:** [@Marooned](https://discourse.nodered.org/u/Marooned)\
**Replies:** 11\
**Last updated:** [23 May 2020 18:40 UTC](https://discourse.nodered.org/t/using-google-calendar-node-authorisation-not-working/4745 "2020-05-23T18:40:59Z")

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I'm trying to use Google Calendar node to access calendar (to display incoming events etc). Unfortunately, I'm unable to authorize. I've tried: using different google accounts (one with 2FA and one without it) using d…

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## [How to keep flow running after one of the triggers is false?](https://discourse.nodered.org/t/how-to-keep-flow-running-after-one-of-the-triggers-is-false/27079)

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**Author:** [@lesmar96](https://discourse.nodered.org/u/lesmar96)\
**Replies:** 30\
**Last updated:** [23 May 2020 17:15 UTC](https://discourse.nodered.org/t/how-to-keep-flow-running-after-one-of-the-triggers-is-false/27079 "2020-05-23T17:15:11Z")

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I'm sorry the title is not to clear, but I wasn't sure how else to say it. I am new to Node-Red so please let me know if I don't give all the information you need. We have an application on an industrial device where w…

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## [Controlling PTZ IP-Cam over Fakeroku with Logitech Harmony](https://discourse.nodered.org/t/controlling-ptz-ip-cam-over-fakeroku-with-logitech-harmony/27034)

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**Author:** [@TRS](https://discourse.nodered.org/u/TRS)\
**Replies:** 6\
**Last updated:** [23 May 2020 16:49 UTC](https://discourse.nodered.org/t/controlling-ptz-ip-cam-over-fakeroku-with-logitech-harmony/27034 "2020-05-23T16:49:38Z")

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Hallo all, first please forgive me my not perfect english. I am using a Logitech Harmony and for my TV Receiver. I managed it to view the stream of the ip cameras like a normal TV channel. My goal is to control the PT…

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## [Exec node error 127](https://discourse.nodered.org/t/exec-node-error-127/27111)

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**Author:** [@sheminasalam](https://discourse.nodered.org/u/sheminasalam)\
**Replies:** 2\
**Last updated:** [23 May 2020 05:53 UTC](https://discourse.nodered.org/t/exec-node-error-127/27111 "2020-05-23T05:53:37Z")

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I am running node-red from docker in my rpi4 which has been made possible as an addon from hassio. I am trying to use the exec node to reboot the Pi with the command "sudo shutdown -r now" but all i am getting in respons…

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