# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=221

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

**Page:** 222

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## [Pulling readings from i2c chip into Node-Red](https://discourse.nodered.org/t/pulling-readings-from-i2c-chip-into-node-red/19210)

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**Author:** [@akuno](https://discourse.nodered.org/u/akuno)\
**Replies:** 27\
**Last updated:** [13 April 2023 08:09 UTC](https://discourse.nodered.org/t/pulling-readings-from-i2c-chip-into-node-red/19210 "2023-04-13T08:09:17Z")

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I am trying to pull readings in from an i2c device (EZO™ Conductivity Circuit | Atlas Scientific). I'm running the latest version of Node-Red on a raspberry pi 4 running Raspian. I have gotten the hardware setup and wo…

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## [Send information to a URL](https://discourse.nodered.org/t/send-information-to-a-url/77508)

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**Author:** [@Jhontan14](https://discourse.nodered.org/u/Jhontan14)\
**Replies:** 1\
**Last updated:** [13 April 2023 05:14 UTC](https://discourse.nodered.org/t/send-information-to-a-url/77508 "2023-04-13T05:14:48Z")

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Hello Could you help me. I want to send the information generated in the form to this URL: https://us-central1-faneamiento-app.cloudfunctions.net/animalsapp/animals/FKNAbQQbpooo1ILg5EEH This is my code { …

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## [Node-red-node-serialport 1.0.3](https://discourse.nodered.org/t/node-red-node-serialport-1-0-3/77464)

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**Author:** [@Ratsea](https://discourse.nodered.org/u/Ratsea)\
**Replies:** 3\
**Last updated:** [12 April 2023 21:13 UTC](https://discourse.nodered.org/t/node-red-node-serialport-1-0-3/77464 "2023-04-12T21:13:11Z")

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I have been using this node for a couple of years using Node Red 2.2, and Version 0.11.0 for this node. It runs on a RPI3 / Buster and in a docker container on IOTStack. Upgrading to Node Red 3.02, and the latest Serial…

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## [Node.js - Node-RED v3.0.2 MQTT Configuration Windows Quirk](https://discourse.nodered.org/t/node-js-node-red-v3-0-2-mqtt-configuration-windows-quirk/77354)

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**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 28\
**Last updated:** [12 April 2023 21:01 UTC](https://discourse.nodered.org/t/node-js-node-red-v3-0-2-mqtt-configuration-windows-quirk/77354 "2023-04-12T21:01:41Z")

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In prior versions I had used "localhost" in the configuration and it works great. This time I imported nodes from the same version v3.0.2 but as a new Node-RED install, I installed nodes, I thought perhaps a version ch…

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## [Changing timestamp formats](https://discourse.nodered.org/t/changing-timestamp-formats/77501)

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**Author:** [@Fuchshunde](https://discourse.nodered.org/u/Fuchshunde)\
**Replies:** 2\
**Last updated:** [12 April 2023 18:13 UTC](https://discourse.nodered.org/t/changing-timestamp-formats/77501 "2023-04-12T18:13:23Z")

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Hey everyone, Can someone help me to change two timestamps with the following Format (Start: "2013-02-04T22:44:30.652Z", End: 2013-02-07T22:44:30.652Z ) into (Start: "04.02.2013", End: "07.02.2013")? Is it possible by u…

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## [How to read data from hx711 node](https://discourse.nodered.org/t/how-to-read-data-from-hx711-node/77497)

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**Author:** [@Pjlals](https://discourse.nodered.org/u/Pjlals)\
**Replies:** 1\
**Last updated:** [12 April 2023 15:59 UTC](https://discourse.nodered.org/t/how-to-read-data-from-hx711-node/77497 "2023-04-12T15:59:44Z")

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how to read data from node-red-contrib-hx711

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## [Node-red-contrib-chatbot 1.2.4](https://discourse.nodered.org/t/node-red-contrib-chatbot-1-2-4/77496)

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**Author:** [@ahtdf](https://discourse.nodered.org/u/ahtdf)\
**Replies:** 0\
**Last updated:** [12 April 2023 14:47 UTC](https://discourse.nodered.org/t/node-red-contrib-chatbot-1-2-4/77496 "2023-04-12T14:47:50Z")

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Hallo Zusammen Ich würde gerne die GPS Daten via telegram aufs Handy schicken, so wie ich das in der Beschreibung gelesen habe, macht man das mit der location-node. In der Hilfe steht das man den Node mit einer Funktion…

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## [Npm audit reports a vulnerability](https://discourse.nodered.org/t/npm-audit-reports-a-vulnerability/77479)

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**Author:** [@augjoh](https://discourse.nodered.org/u/augjoh)\
**Replies:** 5\
**Last updated:** [12 April 2023 14:05 UTC](https://discourse.nodered.org/t/npm-audit-reports-a-vulnerability/77479 "2023-04-12T14:05:23Z")

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When running npm audit against latest node-red 3.0.2, it reports a security vulnerability. Is it safe to --force a fix? xml2js \<0.5.0 Severity: high xml2js is vulnerable to prototype pollution - https://github.com/adv…

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## [How to upgrade the Node-Red version](https://discourse.nodered.org/t/how-to-upgrade-the-node-red-version/77494)

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**Author:** [@Venkatarun](https://discourse.nodered.org/u/Venkatarun)\
**Replies:** 1\
**Last updated:** [12 April 2023 13:21 UTC](https://discourse.nodered.org/t/how-to-upgrade-the-node-red-version/77494 "2023-04-12T13:21:43Z")

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Hi, I'm using Node-RED to develop Dynamic APIs. It's now time to update/upgrade Node-RED with the latest version. Any help is welcome. Thanks, Venkat

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## [Start a Spotify Playlist on my Google Nest Hub](https://discourse.nodered.org/t/start-a-spotify-playlist-on-my-google-nest-hub/77493)

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**Author:** [@DeWoAlliSeged7](https://discourse.nodered.org/u/DeWoAlliSeged7)\
**Replies:** 0\
**Last updated:** [12 April 2023 12:53 UTC](https://discourse.nodered.org/t/start-a-spotify-playlist-on-my-google-nest-hub/77493 "2023-04-12T12:53:33Z")

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Hello I would like to play a specific playlist from Spotify on my Google nest Hub. I have the Spotify integration. How can i do this ?

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## [Unable to update the Node-RED on win10](https://discourse.nodered.org/t/unable-to-update-the-node-red-on-win10/77487)

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**Author:** [@nerevar](https://discourse.nodered.org/u/nerevar)\
**Replies:** 5\
**Last updated:** [12 April 2023 11:54 UTC](https://discourse.nodered.org/t/unable-to-update-the-node-red-on-win10/77487 "2023-04-12T11:54:07Z")

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Hi, I'm having some problems with one of installed library so I decided to update Node-RED first. Upon opening an elevated CMD I asked for a node version: C:\\Windows\\system32\>node --version && npm --version v14.16.1 6…

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## [Stop/Start Tcp server](https://discourse.nodered.org/t/stop-start-tcp-server/77459)

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**Author:** [@tenti](https://discourse.nodered.org/u/tenti)\
**Replies:** 9\
**Last updated:** [12 April 2023 11:02 UTC](https://discourse.nodered.org/t/stop-start-tcp-server/77459 "2023-04-12T11:02:17Z")

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Hi, I've to add a Tcp Server and send data received to a mqtt remote client. My problem is that if the broker is down i've to stop the Tcp listener (the tcp client have an internal cache if no listener is up). I've use…

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## [How to use MS-SQL BULK Import?](https://discourse.nodered.org/t/how-to-use-ms-sql-bulk-import/77484)

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**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 4\
**Last updated:** [12 April 2023 09:33 UTC](https://discourse.nodered.org/t/how-to-use-ms-sql-bulk-import/77484 "2023-04-12T09:33:02Z")

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Hi all, we are trying to use the mssql BULK import feature, but we are failing due to an error that we are not able to find. This is the table we want to write our data to: The first column, ValueFloat\_ID is an auto…

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## [How Get or Read data from SQL Server in node red?](https://discourse.nodered.org/t/how-get-or-read-data-from-sql-server-in-node-red/77480)

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**Author:** [@riimeister](https://discourse.nodered.org/u/riimeister)\
**Replies:** 3\
**Last updated:** [12 April 2023 09:24 UTC](https://discourse.nodered.org/t/how-get-or-read-data-from-sql-server-in-node-red/77480 "2023-04-12T09:24:06Z")

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Hi everyone, How to read or pull data from sql server on node red? If I send data I understand, but if I pull data from a table on the SQL server database, I have never done that. sample data I want to read or pull T…

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## [How to open Node-Red in local system from linux server via putty](https://discourse.nodered.org/t/how-to-open-node-red-in-local-system-from-linux-server-via-putty/77405)

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**Author:** [@syedhannan](https://discourse.nodered.org/u/syedhannan)\
**Replies:** 19\
**Last updated:** [12 April 2023 07:03 UTC](https://discourse.nodered.org/t/how-to-open-node-red-in-local-system-from-linux-server-via-putty/77405 "2023-04-12T07:03:11Z")

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I have installed Node-Red in a linux server which I access it via putty. I am able to start the node red server by running node-red in the terminal of putty. But how can I access the GUI in my local web browser (not fro…

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## [How to record audio from external micro?](https://discourse.nodered.org/t/how-to-record-audio-from-external-micro/77469)

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**Author:** [@windkh](https://discourse.nodered.org/u/windkh)\
**Replies:** 3\
**Last updated:** [12 April 2023 06:37 UTC](https://discourse.nodered.org/t/how-to-record-audio-from-external-micro/77469 "2023-04-12T06:37:49Z")

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Hi all, from time to time I record bird songs in the morning and upload it to the dawn chorus website: see also Dawn Chorus - Participate - Citizen Science As I am an engineer I thought about automating the task as I d…

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## [Deye inverter / Solarman logger](https://discourse.nodered.org/t/deye-inverter-solarman-logger/76168)

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**Author:** [@dth](https://discourse.nodered.org/u/dth)\
**Replies:** 11\
**Last updated:** [12 April 2023 05:59 UTC](https://discourse.nodered.org/t/deye-inverter-solarman-logger/76168 "2023-04-12T05:59:50Z")

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Hi, Even after searching I have not been able to find something (nodes) for fetching data from a Deye inverter directly. I see some (mainly python) projects on GitHub, but have not tested any of them yet. Has anybody m…

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## [How to check \*types\* with \`if\` in \`function\` node](https://discourse.nodered.org/t/how-to-check-types-with-if-in-function-node/76723)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 28\
**Last updated:** [12 April 2023 02:45 UTC](https://discourse.nodered.org/t/how-to-check-types-with-if-in-function-node/76723 "2023-04-12T02:45:02Z")

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I get how the if() works. (well: I thought I did) if (x == 0) { // do something here; } // continue as normal. But say I want to check x is..... a number? (and is between 0 and 8) (ok, that's just another if …

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## [/dev/ttymxc2 serial port name not supported?](https://discourse.nodered.org/t/dev-ttymxc2-serial-port-name-not-supported/77358)

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**Author:** [@GGG](https://discourse.nodered.org/u/GGG)\
**Replies:** 11\
**Last updated:** [11 April 2023 21:13 UTC](https://discourse.nodered.org/t/dev-ttymxc2-serial-port-name-not-supported/77358 "2023-04-11T21:13:49Z")

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I'm using torizon imx7 som module with docker and Noder-Red: I can use gpio but if use serial port, node-red crash. With nxp serial port are named /dev/ttymxc\* :do you know if node’s serialport module not supporting th…

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## [Update on Node-RED SSL using Letsencrypt & Certbot](https://discourse.nodered.org/t/update-on-node-red-ssl-using-letsencrypt-certbot/77208)

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**Author:** [@Andrew4891](https://discourse.nodered.org/u/Andrew4891)\
**Replies:** 5\
**Last updated:** [11 April 2023 20:18 UTC](https://discourse.nodered.org/t/update-on-node-red-ssl-using-letsencrypt-certbot/77208 "2023-04-11T20:18:33Z")

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Hi there, I used so far for more than 1 year the following solution to automatically create certificate for NodeRed access over Let's Certificate Unluckly even if the certificate update is supposed to be renews on a 3…

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## [JSON data to post on personnel web](https://discourse.nodered.org/t/json-data-to-post-on-personnel-web/77467)

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**Author:** [@yasirsajjad](https://discourse.nodered.org/u/yasirsajjad)\
**Replies:** 2\
**Last updated:** [11 April 2023 20:01 UTC](https://discourse.nodered.org/t/json-data-to-post-on-personnel-web/77467 "2023-04-11T20:01:23Z")

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can anybody help me to send JSON data to the personnel web page i have personnel domain with cpanle with API key from eps32 i can send data and can receive on web how to do this using nodered ?

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## [How to set different "UI" port and "admin" port](https://discourse.nodered.org/t/how-to-set-different-ui-port-and-admin-port/77360)

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**Author:** [@fabikm](https://discourse.nodered.org/u/fabikm)\
**Replies:** 10\
**Last updated:** [11 April 2023 19:25 UTC](https://discourse.nodered.org/t/how-to-set-different-ui-port-and-admin-port/77360 "2023-04-11T19:25:03Z")

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Hello, I'm trying to find out if it's possible to configure Node-RED to use different ports for the admin interface and the UI interface. Specifically, I'd like to use 192.168.0.1:999 for the admin interface and 192.168…

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## [To know more about Node-Red](https://discourse.nodered.org/t/to-know-more-about-node-red/77458)

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**Author:** [@noob10](https://discourse.nodered.org/u/noob10)\
**Replies:** 3\
**Last updated:** [11 April 2023 19:15 UTC](https://discourse.nodered.org/t/to-know-more-about-node-red/77458 "2023-04-11T19:15:42Z")

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hello, i am a student. i would like to know, is it possible to pull the data from the Simatic PLC with this software?

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## [Embedding express js inside node red](https://discourse.nodered.org/t/embedding-express-js-inside-node-red/77452)

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**Author:** [@suraj\_k](https://discourse.nodered.org/u/suraj_k)\
**Replies:** 3\
**Last updated:** [11 April 2023 16:53 UTC](https://discourse.nodered.org/t/embedding-express-js-inside-node-red/77452 "2023-04-11T16:53:26Z")

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Is there any possibility to embed express js inside node red ? I know for the fact that its possible for node red to be included in any of our node projects. But what if due to some rare cases, I want to use express js i…

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## [Nodered z wave js](https://discourse.nodered.org/t/nodered-z-wave-js/77449)

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**Author:** [@daak](https://discourse.nodered.org/u/daak)\
**Replies:** 10\
**Last updated:** [11 April 2023 14:25 UTC](https://discourse.nodered.org/t/nodered-z-wave-js/77449 "2023-04-11T14:25:29Z")

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Hello I don't know why i could'nt see my nodes.

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## [Understanding MQTT v5 retain options](https://discourse.nodered.org/t/understanding-mqtt-v5-retain-options/77118)

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**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\
**Replies:** 35\
**Last updated:** [11 April 2023 13:35 UTC](https://discourse.nodered.org/t/understanding-mqtt-v5-retain-options/77118 "2023-04-11T13:35:25Z")

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Hi, I'm trying to fully understand this two option. keep retain flag of original publish retained message handling Can someone please summarize them or share a good guide to follow? Googling I haven't find a clear one…

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## [New here, some questions](https://discourse.nodered.org/t/new-here-some-questions/77401)

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**Author:** [@jtm4890](https://discourse.nodered.org/u/jtm4890)\
**Replies:** 8\
**Last updated:** [11 April 2023 12:31 UTC](https://discourse.nodered.org/t/new-here-some-questions/77401 "2023-04-11T12:31:39Z")

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I recently installed node-red, looks awesome, only I can not run Joplin Token to save my message like notes, this node always disconnects the entire node-red, any suggestion?. ... also I want to know how I could use nod…

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## [\[Flexdash\] Which url on home assistant?](https://discourse.nodered.org/t/flexdash-which-url-on-home-assistant/77310)

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**Author:** [@Cyprien](https://discourse.nodered.org/u/Cyprien)\
**Replies:** 4\
**Last updated:** [11 April 2023 12:26 UTC](https://discourse.nodered.org/t/flexdash-which-url-on-home-assistant/77310 "2023-04-11T12:26:40Z")

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I've installed nodered as addon on home assistant. I've installed flexdash via Manage Palette (@flexdash/node-red-fd-corewidgets) I've load the Hello world example and now, i don't find the url to go to see my dashboa…

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## [How/when does a 'merged commit' show as a update to a palette](https://discourse.nodered.org/t/how-when-does-a-merged-commit-show-as-a-update-to-a-palette/77450)

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**Author:** [@Mikee1234K](https://discourse.nodered.org/u/Mikee1234K)\
**Replies:** 4\
**Last updated:** [11 April 2023 10:32 UTC](https://discourse.nodered.org/t/how-when-does-a-merged-commit-show-as-a-update-to-a-palette/77450 "2023-04-11T10:32:52Z")

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I have installed a palette ( brookesdjb / \*\*\[node-red-contrib-myenergi\] The author has 'merged a commit' to it (no idea how that works or what it means). This palette should now have some extra nodes. The author told m…

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## [Use httpstatic to serve a image file](https://discourse.nodered.org/t/use-httpstatic-to-serve-a-image-file/77435)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 4\
**Last updated:** [11 April 2023 09:42 UTC](https://discourse.nodered.org/t/use-httpstatic-to-serve-a-image-file/77435 "2023-04-11T09:42:05Z")

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My node-RED https server is exposed to the internet, but I've taken a number of precautions to keep it safe. However, I'd like to serve an image file via httpstatic, without password protecting the node-defined HTTP endp…

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