# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=220

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

**Page:** 221

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## [Node-Red Crashes on Startup](https://discourse.nodered.org/t/node-red-crashes-on-startup/77568)

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**Author:** [@ChZeman](https://discourse.nodered.org/u/ChZeman)\
**Replies:** 15\
**Last updated:** [15 April 2023 14:25 UTC](https://discourse.nodered.org/t/node-red-crashes-on-startup/77568 "2023-04-15T14:25:33Z")

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I installed Node-Red, all the modules I need, and created a basic flow. I then created an image of the SD card and wrote it to several other SD cards to deploy in the field. Everything starts fine on some Pis but not on …

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## [How to send server response to teltonika after receiving iemei number and one stamp](https://discourse.nodered.org/t/how-to-send-server-response-to-teltonika-after-receiving-iemei-number-and-one-stamp/77585)

<div class="topic-metadata">

**Author:** [@1231](https://discourse.nodered.org/u/1231)\
**Replies:** 0\
**Last updated:** [15 April 2023 10:56 UTC](https://discourse.nodered.org/t/how-to-send-server-response-to-teltonika-after-receiving-iemei-number-and-one-stamp/77585 "2023-04-15T10:56:59Z")

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var buf=msg.payload; msg.payload = Buffer.from(\[0x01\]); this is a first ack what is next step to get new stamp from teltonika device

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## [How to save to file from forms](https://discourse.nodered.org/t/how-to-save-to-file-from-forms/77579)

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**Author:** [@PawelTolo](https://discourse.nodered.org/u/PawelTolo)\
**Replies:** 4\
**Last updated:** [15 April 2023 10:54 UTC](https://discourse.nodered.org/t/how-to-save-to-file-from-forms/77579 "2023-04-15T10:54:28Z")

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Hello, Can anyone please help with one problem. I want to save values from ui-form\`s to file, and when i insert new value from form A , value from form B will stay unchanged. Can anyone help with function/flow ? Later…

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## [Sending email : "Error can not use ipv4 addresses with current network"](https://discourse.nodered.org/t/sending-email-error-can-not-use-ipv4-addresses-with-current-network/67598)

<div class="topic-metadata">

**Author:** [@julienD](https://discourse.nodered.org/u/julienD)\
**Replies:** 50\
**Last updated:** [15 April 2023 10:39 UTC](https://discourse.nodered.org/t/sending-email-error-can-not-use-ipv4-addresses-with-current-network/67598 "2023-04-15T10:39:20Z")

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Hello, I'm sending emails with node-red-node-email. It worked well for some years until some days ; I now have to following error "Error: Can not use IPv4 addresses with current network" Here's the node configuration …

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## [How to stop after collecting all the expected messages](https://discourse.nodered.org/t/how-to-stop-after-collecting-all-the-expected-messages/77539)

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**Author:** [@pacmanmt](https://discourse.nodered.org/u/pacmanmt)\
**Replies:** 13\
**Last updated:** [15 April 2023 06:43 UTC](https://discourse.nodered.org/t/how-to-stop-after-collecting-all-the-expected-messages/77539 "2023-04-15T06:43:05Z")

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I am collecting NMEA data from an UDP connection and would like to retrieve only some of the NMEA sentences, parse them and write them in a log file. I have figured all out, but how to stop taking additional sentences w…

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## [Editor zoomed in or out, cannot drag a node into existing wire](https://discourse.nodered.org/t/editor-zoomed-in-or-out-cannot-drag-a-node-into-existing-wire/77563)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 3\
**Last updated:** [15 April 2023 04:03 UTC](https://discourse.nodered.org/t/editor-zoomed-in-or-out-cannot-drag-a-node-into-existing-wire/77563 "2023-04-15T04:03:09Z")

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If you drag a node over a wire, the wire changes to dashes. Dropping the node inserts it into the wire. However if the editor page is zoomed in or out by 1 click (buttons at bottom right of editor), the wire never ch…

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## [Node in pending state](https://discourse.nodered.org/t/node-in-pending-state/77573)

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**Author:** [@nagaabhishek](https://discourse.nodered.org/u/nagaabhishek)\
**Replies:** 3\
**Last updated:** [14 April 2023 22:34 UTC](https://discourse.nodered.org/t/node-in-pending-state/77573 "2023-04-14T22:34:08Z")

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I have a RPAworkflow node which is showing pending status. Is there any solution to fix it. Below is the image attached

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## [How to send MQTT node data (integers & string) to a table in postgres database](https://discourse.nodered.org/t/how-to-send-mqtt-node-data-integers-string-to-a-table-in-postgres-database/77570)

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**Author:** [@daaven](https://discourse.nodered.org/u/daaven)\
**Replies:** 4\
**Last updated:** [14 April 2023 21:01 UTC](https://discourse.nodered.org/t/how-to-send-mqtt-node-data-integers-string-to-a-table-in-postgres-database/77570 "2023-04-14T21:01:36Z")

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Node-RED version: v3.0.2 Node.js version: v18.12.1 I uploaded my flow chart, on the far left shows MQTT nodes. Customer Name and Description are both strings. Analog, Test Time, Test Pressure, Job Number, and Ser…

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## [N queries in 1 Node mysql](https://discourse.nodered.org/t/n-queries-in-1-node-mysql/77565)

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**Author:** [@Safouene28](https://discourse.nodered.org/u/Safouene28)\
**Replies:** 2\
**Last updated:** [14 April 2023 14:12 UTC](https://discourse.nodered.org/t/n-queries-in-1-node-mysql/77565 "2023-04-14T14:12:59Z")

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Hello Everyone, I Have I have 4 queries connected to 1 node-red-contrib-stackhero-mysql , The queries is executed at the same time with an inject node , my question is how can i join them and make sure that i received …

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## [Import MQTT to Influxdb](https://discourse.nodered.org/t/import-mqtt-to-influxdb/76912)

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**Author:** [@gerribaldi-sw](https://discourse.nodered.org/u/gerribaldi-sw)\
**Replies:** 11\
**Last updated:** [14 April 2023 13:07 UTC](https://discourse.nodered.org/t/import-mqtt-to-influxdb/76912 "2023-04-14T13:07:39Z")

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Hi, i got a mqtt-server with several numbers of topics. A big part of the topics i try to get to influxdb. The topics are organized liked foo/bar/001 foo/bar/002 foo/john/001 foo/john/002 and so on..... Everythin…

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## [Moving the flows from windows to linux ubuntu machine](https://discourse.nodered.org/t/moving-the-flows-from-windows-to-linux-ubuntu-machine/77561)

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**Author:** [@Robertotarga](https://discourse.nodered.org/u/Robertotarga)\
**Replies:** 5\
**Last updated:** [14 April 2023 10:25 UTC](https://discourse.nodered.org/t/moving-the-flows-from-windows-to-linux-ubuntu-machine/77561 "2023-04-14T10:25:35Z")

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Hi, I'm planning to move all my work from node-red v 3.0.2 in windows 11 pro to the same version on a ubuntu 22.04 virtual machine created with Hyper-V. Ubuntu NR is already installed and ready to import my ecosystem. …

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## [Node red crashing after installing of an additional feature](https://discourse.nodered.org/t/node-red-crashing-after-installing-of-an-additional-feature/77560)

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**Author:** [@Pinky](https://discourse.nodered.org/u/Pinky)\
**Replies:** 6\
**Last updated:** [14 April 2023 10:08 UTC](https://discourse.nodered.org/t/node-red-crashing-after-installing-of-an-additional-feature/77560 "2023-04-14T10:08:14Z")

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Hi everybody, node red is running as a service under the IOBroker here and I just installed some additional nodes for Phillips Hue. (The name was something like "node-red-contrib-hue") After the Installation finished f…

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## [Connect to Hololens via Node-Red](https://discourse.nodered.org/t/connect-to-hololens-via-node-red/77515)

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**Author:** [@boarak](https://discourse.nodered.org/u/boarak)\
**Replies:** 8\
**Last updated:** [14 April 2023 09:59 UTC](https://discourse.nodered.org/t/connect-to-hololens-via-node-red/77515 "2023-04-14T09:59:15Z")

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Hello again! I hope everyone is okay. My question is related to Microsoft Hololens and its battery level. I would like to see the battery level via Node-Red. I did some ways but I took several mistakes. I can't see …

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## [Zodiac Chlorinator HTTP request flow broken](https://discourse.nodered.org/t/zodiac-chlorinator-http-request-flow-broken/77550)

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**Author:** [@Tico](https://discourse.nodered.org/u/Tico)\
**Replies:** 3\
**Last updated:** [14 April 2023 09:50 UTC](https://discourse.nodered.org/t/zodiac-chlorinator-http-request-flow-broken/77550 "2023-04-14T09:50:49Z")

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I have an existing flow that stopped working about 4 days ago. It's using an unoffical method to retrieve data from a cloud based pool chlorinator app. My suspicion is that the manufacturer has changed something in the o…

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## [How to install node types?](https://discourse.nodered.org/t/how-to-install-node-types/77522)

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**Author:** [@\_Markus](https://discourse.nodered.org/u/_Markus)\
**Replies:** 15\
**Last updated:** [14 April 2023 09:14 UTC](https://discourse.nodered.org/t/how-to-install-node-types/77522 "2023-04-14T09:14:03Z")

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Hello, I'm new to node-red, and I need help with installing node types. When I run the project it says: Flows stopped due to missing node types. sf:3f24e8e108a6d3cc sf:827ff8967a4e86f6 And I have them in separate fol…

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## [Node-red-node-snmp port change](https://discourse.nodered.org/t/node-red-node-snmp-port-change/76868)

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**Author:** [@dereine](https://discourse.nodered.org/u/dereine)\
**Replies:** 4\
**Last updated:** [14 April 2023 08:49 UTC](https://discourse.nodered.org/t/node-red-node-snmp-port-change/76868 "2023-04-14T08:49:21Z")

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Good day I am using node-red-node-snmp to connect from a site to my site. At the outgoing site, the port is released for my IP via Fortigate. Unfortunately, I cannot enter an IP range there. However, this location has s…

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## [How to use JSON node](https://discourse.nodered.org/t/how-to-use-json-node/77556)

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**Author:** [@GoldD](https://discourse.nodered.org/u/GoldD)\
**Replies:** 3\
**Last updated:** [14 April 2023 08:41 UTC](https://discourse.nodered.org/t/how-to-use-json-node/77556 "2023-04-14T08:41:11Z")

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I want to send PLC data to NODE-RED through an IOT gateway so that I can control something as simple as a switch, generate the data value as JSON, and send it to the connected node. (Like a redis node) I'm wondering whe…

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## [Node Red loop for MQTT messages](https://discourse.nodered.org/t/node-red-loop-for-mqtt-messages/77524)

<div class="topic-metadata">

**Author:** [@MikeyMan83](https://discourse.nodered.org/u/MikeyMan83)\
**Replies:** 4\
**Last updated:** [14 April 2023 08:05 UTC](https://discourse.nodered.org/t/node-red-loop-for-mqtt-messages/77524 "2023-04-14T08:05:38Z")

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Hi ! I'm trying to build a lighting dimmer for Zwave in Node red. However, i can't for the life of me figure out how not to loop it. The endgame is; lighting that is dimmed according to the time of day. During the day …

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## [Unable to install ncd-red-wireless](https://discourse.nodered.org/t/unable-to-install-ncd-red-wireless/77456)

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**Author:** [@engrponle](https://discourse.nodered.org/u/engrponle)\
**Replies:** 85\
**Last updated:** [14 April 2023 08:03 UTC](https://discourse.nodered.org/t/unable-to-install-ncd-red-wireless/77456 "2023-04-14T08:03:55Z")

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the attached is the error i got when i tried to install ncd-red-wireless for sensor.

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## [Flowforge Digital Ocean 1-click Droplet Error](https://discourse.nodered.org/t/flowforge-digital-ocean-1-click-droplet-error/77558)

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**Author:** [@Mbessing](https://discourse.nodered.org/u/Mbessing)\
**Replies:** 0\
**Last updated:** [14 April 2023 07:44 UTC](https://discourse.nodered.org/t/flowforge-digital-ocean-1-click-droplet-error/77558 "2023-04-14T07:44:51Z")

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Hi everyone, I just started using Flowforge and have made it work locally. I then wanted to run in with Digital Ocean using their 1-click droplet following this guide: Docker install • FlowForge Docs However, I am able…

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## [How to post a tweet? Twitter API v2](https://discourse.nodered.org/t/how-to-post-a-tweet-twitter-api-v2/77553)

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**Author:** [@zofiel](https://discourse.nodered.org/u/zofiel)\
**Replies:** 0\
**Last updated:** [14 April 2023 05:55 UTC](https://discourse.nodered.org/t/how-to-post-a-tweet-twitter-api-v2/77553 "2023-04-14T05:55:42Z")

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Hi Team, I'm using node-red-node-twitter to try to post a tweet but I received the following message: You currently have Essential access which includes access to Twitter API v2 endpoints only. If you need access to th…

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## [Variable Rate Limit using Delay Node?](https://discourse.nodered.org/t/variable-rate-limit-using-delay-node/18935)

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**Author:** [@AustinTurner](https://discourse.nodered.org/u/AustinTurner)\
**Replies:** 7\
**Last updated:** [13 April 2023 22:20 UTC](https://discourse.nodered.org/t/variable-rate-limit-using-delay-node/18935 "2023-04-13T22:20:52Z")

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Using the normal Delay node, you can use msg.delay to overwrite the preset value, and dynamically change it based on what you're doing. Is there an option to do something similar with the Rate Limit side of the Delay no…

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## [Changing the inject node repeat option from UI](https://discourse.nodered.org/t/changing-the-inject-node-repeat-option-from-ui/11935)

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**Author:** [@Grigsy](https://discourse.nodered.org/u/Grigsy)\
**Replies:** 10\
**Last updated:** [13 April 2023 21:01 UTC](https://discourse.nodered.org/t/changing-the-inject-node-repeat-option-from-ui/11935 "2023-04-13T21:01:50Z")

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Morning all, I'm new to Node Red so sorry if this is a dumb question. I am controlling a solenoid to come on for 500 milliseconds and go off for 20 mins. This all works fine. I would however like to allow a variable ti…

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## [Node-red-contrib-chatbot Telegram](https://discourse.nodered.org/t/node-red-contrib-chatbot-telegram/77265)

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**Author:** [@ahtdf](https://discourse.nodered.org/u/ahtdf)\
**Replies:** 2\
**Last updated:** [13 April 2023 16:15 UTC](https://discourse.nodered.org/t/node-red-contrib-chatbot-telegram/77265 "2023-04-13T16:15:14Z")

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Hello all I have a problem that I want to implement with Node-Red. We have a building management technology, where fault reports from the system are currently being sent to Telegram in an external program. Unfortunate…

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## [Constrain Web Form Numbers](https://discourse.nodered.org/t/constrain-web-form-numbers/77527)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 1\
**Last updated:** [13 April 2023 14:04 UTC](https://discourse.nodered.org/t/constrain-web-form-numbers/77527 "2023-04-13T14:04:01Z")

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Hey All, I have a web form on my dashboard that will collect a number. I want to constrain the numbers say from 65 - 85. How can I set up the form to work within this range? Thanks Rich

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## [Give NR a short known URL for a LAN](https://discourse.nodered.org/t/give-nr-a-short-known-url-for-a-lan/77532)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 0\
**Last updated:** [13 April 2023 13:51 UTC](https://discourse.nodered.org/t/give-nr-a-short-known-url-for-a-lan/77532 "2023-04-13T13:51:56Z")

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Hi, how can I create an alias to adress NR on my LAN? For example type nodered.local:1880 on my phone browser (which will be translated to http://nodered.local:1880). WHay I need for it? I have mikrotik, can I crate a s…

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## [Uibuilder not communicating with the Node-RED](https://discourse.nodered.org/t/uibuilder-not-communicating-with-the-node-red/77489)

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**Author:** [@nerevar](https://discourse.nodered.org/u/nerevar)\
**Replies:** 13\
**Last updated:** [13 April 2023 11:56 UTC](https://discourse.nodered.org/t/uibuilder-not-communicating-with-the-node-red/77489 "2023-04-13T11:56:04Z")

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Hello, I'm afraid this is gonna be very noob question, but I'm gonna ask anyway. :slight\_smile: It's been a while when I worked with uibuilder in the way I need the node-RED to send him messages. Last time on my home P…

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## [Can't see NR and dashboard on another device within the same LAN (NodeJS for WIndows)](https://discourse.nodered.org/t/cant-see-nr-and-dashboard-on-another-device-within-the-same-lan-nodejs-for-windows/77509)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 4\
**Last updated:** [13 April 2023 11:32 UTC](https://discourse.nodered.org/t/cant-see-nr-and-dashboard-on-another-device-within-the-same-lan-nodejs-for-windows/77509 "2023-04-13T11:32:16Z")

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Hi, I can locally from the same machine with browser, works with local IP and with 127.0.0.1, but if I try with Phone or tablet I got an error, probably a timeout. I can't see connection establilished on port 1880 (opene…

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## [parseInt() sorry, but I seem to be missing something](https://discourse.nodered.org/t/parseint-sorry-but-i-seem-to-be-missing-something/77507)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [13 April 2023 09:51 UTC](https://discourse.nodered.org/t/parseint-sorry-but-i-seem-to-be-missing-something/77507 "2023-04-13T09:51:44Z")

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With all the recent stuff I've been doing, asking and told I would have thought I would have got this down pat by now. Seems not. Code extract: let d = msg.delay; d = parseInt(d / 10000); if (d \> 10) { d = d / 60 …

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## [Docker node-red breaks after installing package](https://discourse.nodered.org/t/docker-node-red-breaks-after-installing-package/77498)

<div class="topic-metadata">

**Author:** [@runfabi](https://discourse.nodered.org/u/runfabi)\
**Replies:** 12\
**Last updated:** [13 April 2023 08:57 UTC](https://discourse.nodered.org/t/docker-node-red-breaks-after-installing-package/77498 "2023-04-13T08:57:55Z")

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I'm running the std node-red:3.0.2 from dockerhub(tried all version and tags availble versions and tag but it did not seem to make a difference), compose\_file as follows node-red: image: nodered/node-red:latest-18-…

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