# General **URL:** https://discourse.nodered.org/c/general/7.md?page=364 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 365 --- ## [Write data to Solar Inverter using NR](https://discourse.nodered.org/t/write-data-to-solar-inverter-using-nr/63841)
**Author:** [@Marc18](https://discourse.nodered.org/u/Marc18)\ **Replies:** 7\ **Last updated:** [13 June 2022 16:04 UTC](https://discourse.nodered.org/t/write-data-to-solar-inverter-using-nr/63841 "2022-06-13T16:04:18Z")
Hi All New to the forum, hoping to learn much from here.. i need assistance please, i have a Sunsynk inverter connected to home assistant, via serial. i have successfully managed to read modbus data from the inverter … --- ## [Retrieving data from a server via an https link](https://discourse.nodered.org/t/retrieving-data-from-a-server-via-an-https-link/63847)
**Author:** [@Geoffrey](https://discourse.nodered.org/u/Geoffrey)\ **Replies:** 2\ **Last updated:** [13 June 2022 15:27 UTC](https://discourse.nodered.org/t/retrieving-data-from-a-server-via-an-https-link/63847 "2022-06-13T15:27:26Z")
Hello, I would like to know how to retrieve data from a server and send it to Node-Red. I previously tested the URL on Postman, to see the data sent: In order to get the correct values ​​I had to add headers. I wou… --- ## [Node red restarting constantly](https://discourse.nodered.org/t/node-red-restarting-constantly/63721)
**Author:** [@Fulltopuk](https://discourse.nodered.org/u/Fulltopuk)\ **Replies:** 2\ **Last updated:** [13 June 2022 13:23 UTC](https://discourse.nodered.org/t/node-red-restarting-constantly/63721 "2022-06-13T13:23:27Z")
Hi All I have just installed Node-red on it's own PI after the previous version went weird on a Hoobs install. Now I seem to be having issues - Log is below so please can anyone point me in the right direction? It loo… --- ## [Real time data display](https://discourse.nodered.org/t/real-time-data-display/63850)
**Author:** [@nke9](https://discourse.nodered.org/u/nke9)\ **Replies:** 6\ **Last updated:** [13 June 2022 12:31 UTC](https://discourse.nodered.org/t/real-time-data-display/63850 "2022-06-13T12:31:37Z")
Hello I would like to know if it's possible to display that data in real time in the CLI. When I receive a date it appears autmatically in the CLI like when we listen in MQTT ? --- ## [Are there some JSON Schema files for Node-RED HTTP APIs?](https://discourse.nodered.org/t/are-there-some-json-schema-files-for-node-red-http-apis/63840)
**Author:** [@Shan](https://discourse.nodered.org/u/Shan)\ **Replies:** 4\ **Last updated:** [13 June 2022 11:23 UTC](https://discourse.nodered.org/t/are-there-some-json-schema-files-for-node-red-http-apis/63840 "2022-06-13T11:23:38Z")
I was looking to creating some API Integration Tests and generally a good idea would be to use JSON Schema for the Requests/Requests responses? One can use these schema files to check conformity. --- ## [Problem with join node and msg.parts](https://discourse.nodered.org/t/problem-with-join-node-and-msg-parts/63851)
**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\ **Replies:** 10\ **Last updated:** [13 June 2022 11:09 UTC](https://discourse.nodered.org/t/problem-with-join-node-and-msg-parts/63851 "2022-06-13T11:09:35Z")
I am trying to discover all Tasmota MQTT devices on my system. I am able to get all the topics with this flow, but I can't get them joined into a single object. I don't know how to correctly set the msg.parts for the jo… --- ## [Where change node gets this data?](https://discourse.nodered.org/t/where-change-node-gets-this-data/63823)
**Author:** [@SeRiusRod](https://discourse.nodered.org/u/SeRiusRod)\ **Replies:** 9\ **Last updated:** [13 June 2022 09:28 UTC](https://discourse.nodered.org/t/where-change-node-gets-this-data/63823 "2022-06-13T09:28:39Z")
"Capacity, setpoint" node emits: Change node has: The next node gets: I'm so confused. Where is getting those numbers? Even the date is wrong. It's picking the local time as UTC. --- ## [Help finding a bug in the Node-red thread](https://discourse.nodered.org/t/help-finding-a-bug-in-the-node-red-thread/63817)
**Author:** [@Eva01](https://discourse.nodered.org/u/Eva01)\ **Replies:** 4\ **Last updated:** [13 June 2022 08:00 UTC](https://discourse.nodered.org/t/help-finding-a-bug-in-the-node-red-thread/63817 "2022-06-13T08:00:42Z")
Hello! I was told to do a job in Node-red as my thesis. This is my first time using the program, so I don't understand anything about it. I made a thread, but it doesn't want to work. I don't understand where the error … --- ## [MQTT V5 performance: dynamic subscription VS single topic](https://discourse.nodered.org/t/mqtt-v5-performance-dynamic-subscription-vs-single-topic/63798)
**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\ **Replies:** 5\ **Last updated:** [13 June 2022 06:00 UTC](https://discourse.nodered.org/t/mqtt-v5-performance-dynamic-subscription-vs-single-topic/63798 "2022-06-13T06:00:59Z")
Hi, is there someone that can explain how connections works? I mean, in terms of broker's load (but even regarding node-red ), is there a difference if I subscribe via two MQTT-in node ore just via a dynamic one? This … --- ## [Anyone recently use the BroadLink Node Library (2.1.4 variant)?](https://discourse.nodered.org/t/anyone-recently-use-the-broadlink-node-library-2-1-4-variant/63832)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 0\ **Last updated:** [13 June 2022 02:36 UTC](https://discourse.nodered.org/t/anyone-recently-use-the-broadlink-node-library-2-1-4-variant/63832 "2022-06-13T02:36:58Z")
Anyone recently use the BroadLink Node Library (2.1.4 variant)? It appears to be pretty old. Not having any luck even getting the discover node to work. I know I have my RM4 Mini in local mode, not cloud mode, and was… --- ## [For MQTT Subscriber Node Dynamic Subscription, Is explicit unscribe required?](https://discourse.nodered.org/t/for-mqtt-subscriber-node-dynamic-subscription-is-explicit-unscribe-required/63830)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 2\ **Last updated:** [13 June 2022 02:30 UTC](https://discourse.nodered.org/t/for-mqtt-subscriber-node-dynamic-subscription-is-explicit-unscribe-required/63830 "2022-06-13T02:30:55Z")
For MQTT Subscriber Node Dynamic Subscription, Is explicit unscribe required? For example... Initial setup... msg.topic = 'status/bozo/+'; msg.action = 'subscribe'; Then later in flow logic... msg.topic = 'status/c… --- ## [Setting a switch value dependent on multiple other switches](https://discourse.nodered.org/t/setting-a-switch-value-dependent-on-multiple-other-switches/63743)
**Author:** [@Ronsch](https://discourse.nodered.org/u/Ronsch)\ **Replies:** 21\ **Last updated:** [12 June 2022 22:37 UTC](https://discourse.nodered.org/t/setting-a-switch-value-dependent-on-multiple-other-switches/63743 "2022-06-12T22:37:09Z")
Would someone please provide some direction on where to start turning a switch off when ALL other switches are off. The switch should turn on if ANY of the other switches are turned on. I am a relatively new user and g… --- ## [How can i make a flow that checks for RSS feeds and then posts on Discord (via Webhook)?](https://discourse.nodered.org/t/how-can-i-make-a-flow-that-checks-for-rss-feeds-and-then-posts-on-discord-via-webhook/63118)
**Author:** [@vico](https://discourse.nodered.org/u/vico)\ **Replies:** 77\ **Last updated:** [12 June 2022 22:28 UTC](https://discourse.nodered.org/t/how-can-i-make-a-flow-that-checks-for-rss-feeds-and-then-posts-on-discord-via-webhook/63118 "2022-06-12T22:28:33Z")
Hello! I'm a really new users of Node-Red, always wanted to try to selfhost my "automation" solution (instead of rely in Zapier, IFFTT and similars). Just installed it on my Pi 3b+ (with Rasp OS Lite 64 bits) and i'm tr… --- ## [How to go to the site by name](https://discourse.nodered.org/t/how-to-go-to-the-site-by-name/63824)
**Author:** [@Eva01](https://discourse.nodered.org/u/Eva01)\ **Replies:** 6\ **Last updated:** [12 June 2022 17:32 UTC](https://discourse.nodered.org/t/how-to-go-to-the-site-by-name/63824 "2022-06-12T17:32:31Z")
Hello everyone! Can you explain to me how to make it so that, for example, the user selects the genre of the book and in the node "function" is calculated, for example, if you want the genre of history, then the result … --- ## [Is it possible to ignore specific unsed configuration nodes?](https://discourse.nodered.org/t/is-it-possible-to-ignore-specific-unsed-configuration-nodes/63825)
**Author:** [@MyRandomThoughts](https://discourse.nodered.org/u/MyRandomThoughts)\ **Replies:** 0\ **Last updated:** [12 June 2022 16:42 UTC](https://discourse.nodered.org/t/is-it-possible-to-ignore-specific-unsed-configuration-nodes/63825 "2022-06-12T16:42:42Z")
I have several credentials stored in a SSH node that is not explicitly selected from the drop-down, however I am using them within a function node to select them as required. The issue is that they are showing up as unu… --- ## [Convert a string output for numerical output](https://discourse.nodered.org/t/convert-a-string-output-for-numerical-output/63822)
**Author:** [@Bruno1](https://discourse.nodered.org/u/Bruno1)\ **Replies:** 4\ **Last updated:** [12 June 2022 16:22 UTC](https://discourse.nodered.org/t/convert-a-string-output-for-numerical-output/63822 "2022-06-12T16:22:28Z")
Hi everyone! I have a problem in my node red, and i can´t resolve it. My output is a string such as you can see and i want that output will be just a numerical output. --- ## [Trigger a flow if state changes to false and stays at false for over a minute](https://discourse.nodered.org/t/trigger-a-flow-if-state-changes-to-false-and-stays-at-false-for-over-a-minute/63793)
**Author:** [@maxweissboeck](https://discourse.nodered.org/u/maxweissboeck)\ **Replies:** 4\ **Last updated:** [12 June 2022 15:42 UTC](https://discourse.nodered.org/t/trigger-a-flow-if-state-changes-to-false-and-stays-at-false-for-over-a-minute/63793 "2022-06-12T15:42:46Z")
Sorry folks if this is already answered, but I'm searching and experimenting now for hours without any progress. Problem: I have a node that fires true or false, depending if a server connection is alive or dead. As l… --- ## [Get value from file](https://discourse.nodered.org/t/get-value-from-file/63723)
**Author:** [@Kundepuu](https://discourse.nodered.org/u/Kundepuu)\ **Replies:** 14\ **Last updated:** [12 June 2022 13:37 UTC](https://discourse.nodered.org/t/get-value-from-file/63723 "2022-06-12T13:37:59Z")
I want to read text file to get value. I cant figure how I will get it. Trying many way but cant get. In my top flow then I put same data inject node it works OK... I cant find right Json/Jsondata converting method fr… --- ## [Using msg.payload: nr value to switch a shelly relay](https://discourse.nodered.org/t/using-msg-payload-nr-value-to-switch-a-shelly-relay/63814)
**Author:** [@TimC1986](https://discourse.nodered.org/u/TimC1986)\ **Replies:** 5\ **Last updated:** [12 June 2022 12:02 UTC](https://discourse.nodered.org/t/using-msg-payload-nr-value-to-switch-a-shelly-relay/63814 "2022-06-12T12:02:28Z")
Hello all I'm quit new to node red so I can use some help to learn and get my test setup working :wink: The idea is to switch a shelly1 plus relay by mqtt in function of the state of charger of a battery. I setup a mo… --- ## [More understanding on SVG new page](https://discourse.nodered.org/t/more-understanding-on-svg-new-page/63811)
**Author:** [@AungKL](https://discourse.nodered.org/u/AungKL)\ **Replies:** 3\ **Last updated:** [12 June 2022 11:53 UTC](https://discourse.nodered.org/t/more-understanding-on-svg-new-page/63811 "2022-06-12T11:53:41Z")
Continuing the discussion from Node-red-contrib-ui-svg example flow not working properly: Hi, I've basic knowledge of SVG drawing, but I don't understand the drawing of SVG of that example. My question is not directly … --- ## [New line funktion node](https://discourse.nodered.org/t/new-line-funktion-node/63804)
**Author:** [@Higgis](https://discourse.nodered.org/u/Higgis)\ **Replies:** 4\ **Last updated:** [12 June 2022 11:25 UTC](https://discourse.nodered.org/t/new-line-funktion-node/63804 "2022-06-12T11:25:17Z")
I am working on a function node where I as a payload combine a lot of variables, this becomes a single long text. I am now trying to find if you can write something between + to get a new line where I want it. Have teste… --- ## [Convert string value to something to work with](https://discourse.nodered.org/t/convert-string-value-to-something-to-work-with/63434)
**Author:** [@btbr](https://discourse.nodered.org/u/btbr)\ **Replies:** 13\ **Last updated:** [12 June 2022 01:21 UTC](https://discourse.nodered.org/t/convert-string-value-to-something-to-work-with/63434 "2022-06-12T01:21:04Z")
Hello All, With help from the community on here I managed to get my project up and working. Then unfortunately I have had to change the way the data comes into Node Red. Somehow I need to split the values in the string… --- ## [Wake on LAN node Does Not Trigger Completion Node?](https://discourse.nodered.org/t/wake-on-lan-node-does-not-trigger-completion-node/63797)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 2\ **Last updated:** [11 June 2022 22:41 UTC](https://discourse.nodered.org/t/wake-on-lan-node-does-not-trigger-completion-node/63797 "2022-06-11T22:41:49Z")
Wake on LAN (WOL) node Does Not Trigger Completion Node? Trying confirm an issue. Using the Wake on LAN node, if I send it a BAD MAC address, i.e ??:??:??:??:??:??... it reports via node.warn the MAC address is unaccep… --- ## [Structuring larger projects](https://discourse.nodered.org/t/structuring-larger-projects/63288)
**Author:** [@cerietke](https://discourse.nodered.org/u/cerietke)\ **Replies:** 12\ **Last updated:** [11 June 2022 21:35 UTC](https://discourse.nodered.org/t/structuring-larger-projects/63288 "2022-06-11T21:35:38Z")
In short I am looking for guidelines/tips on how to keep larger / more complex projects manageable in Node-RED. What follows are details on my situation and where I run into these issues. I'm using Node-RED primarily fo… --- ## [Per-topic gate switch passing disgnostic string but not key/value objects](https://discourse.nodered.org/t/per-topic-gate-switch-passing-disgnostic-string-but-not-key-value-objects/63801)
**Author:** [@Ronsch](https://discourse.nodered.org/u/Ronsch)\ **Replies:** 0\ **Last updated:** [11 June 2022 18:55 UTC](https://discourse.nodered.org/t/per-topic-gate-switch-passing-disgnostic-string-but-not-key-value-objects/63801 "2022-06-11T18:55:21Z")
This flow utilizes a per-topic gate switch (the gate locks the ability to adjust water valves in a greenhouse). The gate will not pass a key/value object (holding moisture data to control the valve), but it will pass a… --- ## [Cron-plus with a hicup](https://discourse.nodered.org/t/cron-plus-with-a-hicup/63794)
**Author:** [@Frida](https://discourse.nodered.org/u/Frida)\ **Replies:** 3\ **Last updated:** [11 June 2022 17:45 UTC](https://discourse.nodered.org/t/cron-plus-with-a-hicup/63794 "2022-06-11T17:45:51Z")
Node-RED v3.0.0-beta.2 node-red-contrib-cron-plus 1.5.7 Rapberrypi zero2w and Raspberrypi 4 model B Have a little burp with cron-plus that I hope you can fix. 4 of the cron-plus solar event, looks set to be in the fu… --- ## [Connect Proxmox Backup Server (PBS) using API calls](https://discourse.nodered.org/t/connect-proxmox-backup-server-pbs-using-api-calls/63758)
**Author:** [@John245](https://discourse.nodered.org/u/John245)\ **Replies:** 6\ **Last updated:** [11 June 2022 17:34 UTC](https://discourse.nodered.org/t/connect-proxmox-backup-server-pbs-using-api-calls/63758 "2022-06-11T17:34:38Z")
Trying The first step is obtaining the ticket. In Postman I can manage using the following: Then set the cookie in the get request And I'm able to get the required info. How to do this in Node-RED? John --- ## [Http request help from web](https://discourse.nodered.org/t/http-request-help-from-web/63764)
**Author:** [@Polymator](https://discourse.nodered.org/u/Polymator)\ **Replies:** 12\ **Last updated:** [11 June 2022 12:27 UTC](https://discourse.nodered.org/t/http-request-help-from-web/63764 "2022-06-11T12:27:55Z")
Hi, I am very new to node-red, I am currently using it from homeassistant. I want to extract the information from the web page of my solar panels as the current watts, in the first image I want to extract the informatio… --- ## [Help me write code in function node](https://discourse.nodered.org/t/help-me-write-code-in-function-node/63762)
**Author:** [@JJ22](https://discourse.nodered.org/u/JJ22)\ **Replies:** 12\ **Last updated:** [11 June 2022 13:25 UTC](https://discourse.nodered.org/t/help-me-write-code-in-function-node/63762 "2022-06-11T13:25:50Z")
I cannot write the code for the drop-down list correctly so that it is taken into account in the code. I still don't understand javascript and node-red well. Please tell me where I am wrong and how to write this code … --- ## [Context Data Export](https://discourse.nodered.org/t/context-data-export/63738)
**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\ **Replies:** 5\ **Last updated:** [11 June 2022 11:19 UTC](https://discourse.nodered.org/t/context-data-export/63738 "2022-06-11T11:19:51Z")
Hiya All!! Pray tell.... Is context data able to be exported? Currently, every so often (Read that as about every week or two), I export all of my flows on my home auto system to a local download file and keep them as … [Previous page](https://discourse.nodered.org/c/general/7.md?page=363) [Next page](https://discourse.nodered.org/c/general/7.md?page=365)