# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=501

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

**Page:** 502

---

## [Filtering RSS Feeds](https://discourse.nodered.org/t/filtering-rss-feeds/50426)

<div class="topic-metadata">

**Author:** [@darud](https://discourse.nodered.org/u/darud)\
**Replies:** 2\
**Last updated:** [31 August 2021 08:56 UTC](https://discourse.nodered.org/t/filtering-rss-feeds/50426 "2021-08-31T08:56:23Z")

</div>

Hi there, I try to read an RSS Feed with the node-red-node-Feedparser. This node always brings the whole Feed with 50 something Entrys. How can I just Filter the most recent entry (1 oder 10 Items)? Sorry, for this ver…

---

## [Rbe already registered](https://discourse.nodered.org/t/rbe-already-registered/50406)

<div class="topic-metadata">

**Author:** [@flecoufle](https://discourse.nodered.org/u/flecoufle)\
**Replies:** 9\
**Last updated:** [31 August 2021 08:50 UTC](https://discourse.nodered.org/t/rbe-already-registered/50406 "2021-08-31T08:50:48Z")

</div>

Hello, after upgrading to 2.0.x I have this warning in console \[warn\] \[node-red-node-rbe/rbe\] 'rbe' already registered by module node-red how can I do to "clean" this warning ? thanks flecoufle

---

## [How to parse this Hex string?](https://discourse.nodered.org/t/how-to-parse-this-hex-string/50422)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 3\
**Last updated:** [31 August 2021 07:30 UTC](https://discourse.nodered.org/t/how-to-parse-this-hex-string/50422 "2021-08-31T07:30:55Z")

</div>

Guys, I have the following Hex string aa557fc001824d3038303843475735303030532d4250ffffffffffffffffffffffffffffffff39353030304250533230425730303232333630303431302d30343030312d3038473431302d30 Parts of this decode as AS…

---

## [Where to find the full list of possible FA labels?](https://discourse.nodered.org/t/where-to-find-the-full-list-of-possible-fa-labels/50427)

<div class="topic-metadata">

**Author:** [@kakyoism](https://discourse.nodered.org/u/kakyoism)\
**Replies:** 1\
**Last updated:** [31 August 2021 07:19 UTC](https://discourse.nodered.org/t/where-to-find-the-full-list-of-possible-fa-labels/50427 "2021-08-31T07:19:16Z")

</div>

I'm trying to build config UI for my custom nodes, but I can't seem to find the document section regarding all the possible "fa-xxx" tags for the label class. I just keep seeing magic tags in 3rd-party nodes, such as the…

---

## [Fire Trigger button from keyboard keys](https://discourse.nodered.org/t/fire-trigger-button-from-keyboard-keys/50295)

<div class="topic-metadata">

**Author:** [@raatech91](https://discourse.nodered.org/u/raatech91)\
**Replies:** 26\
**Last updated:** [31 August 2021 06:30 UTC](https://discourse.nodered.org/t/fire-trigger-button-from-keyboard-keys/50295 "2021-08-31T06:30:07Z")

</div>

brother help me uneed to use trigger button in node red can you help me to do it i found you got solution it .also need help can we connect keyboard keys to fire trigger button .

---

## [Confusion about global variables](https://discourse.nodered.org/t/confusion-about-global-variables/50420)

<div class="topic-metadata">

**Author:** [@jackson](https://discourse.nodered.org/u/jackson)\
**Replies:** 1\
**Last updated:** [31 August 2021 05:00 UTC](https://discourse.nodered.org/t/confusion-about-global-variables/50420 "2021-08-31T05:00:16Z")

</div>

I tried to set both flow and global variables and I don't think I properly understand how they function. For example, I have a flow that sets a global variable global.GlobalTherm.Temp. When I inject the global variable i…

---

## [Node-red-contrib-ui-svg click and dblclick in same element](https://discourse.nodered.org/t/node-red-contrib-ui-svg-click-and-dblclick-in-same-element/50203)

<div class="topic-metadata">

**Author:** [@samuelbras](https://discourse.nodered.org/u/samuelbras)\
**Replies:** 25\
**Last updated:** [30 August 2021 21:04 UTC](https://discourse.nodered.org/t/node-red-contrib-ui-svg-click-and-dblclick-in-same-element/50203 "2021-08-30T21:04:13Z")

</div>

Good Morning. I'm making my dashboard and I need to have both click and doubleclick events on the same element. With the click it changes some elements. With the active doubleclick, it is possible to zoom in on a laye…

---

## [Send value in a http-request](https://discourse.nodered.org/t/send-value-in-a-http-request/17169)

<div class="topic-metadata">

**Author:** [@easyE4](https://discourse.nodered.org/u/easyE4)\
**Replies:** 13\
**Last updated:** [30 August 2021 19:35 UTC](https://discourse.nodered.org/t/send-value-in-a-http-request/17169 "2021-08-30T19:35:22Z")

</div>

Hi erverybody, in the dokumentation for the WebAPI of my controller I find this example: /api/set/op?op=MW&index=1&val=10 What I want is to make the "val" variable, comming form a slider node. Can someone help me wit…

---

## [Get text from 'status node'](https://discourse.nodered.org/t/get-text-from-status-node/50402)

<div class="topic-metadata">

**Author:** [@PiMo131](https://discourse.nodered.org/u/PiMo131)\
**Replies:** 1\
**Last updated:** [30 August 2021 18:09 UTC](https://discourse.nodered.org/t/get-text-from-status-node/50402 "2021-08-30T18:09:00Z")

</div>

I want to catch the status of a node and represent it in the dashboard. I want to move the text from msg.status \> msg.payload. But only the part "Text:" when I am trying to move the whole msg.status I get 'undefined'…

---

## [Dynamically set clientID for MQTT output](https://discourse.nodered.org/t/dynamically-set-clientid-for-mqtt-output/50226)

<div class="topic-metadata">

**Author:** [@charlesmodrich-tc](https://discourse.nodered.org/u/charlesmodrich-tc)\
**Replies:** 14\
**Last updated:** [30 August 2021 18:00 UTC](https://discourse.nodered.org/t/dynamically-set-clientid-for-mqtt-output/50226 "2021-08-30T18:00:19Z")

</div>

Hello, I'm trying to work with a LoRaWAN gateway running Node-RED, however am running into a bit of an issue. What I need to do is for each payload received by the gateway, strip out the serial number from the data it …

---

## [Status node produces infinite messages out](https://discourse.nodered.org/t/status-node-produces-infinite-messages-out/50179)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 8\
**Last updated:** [30 August 2021 17:58 UTC](https://discourse.nodered.org/t/status-node-produces-infinite-messages-out/50179 "2021-08-30T17:58:40Z")

</div>

Hi, I don't know what is wrong, I've just connected to debug a status node catching all flow's nodes status, and as I deploy I see an infinite messages. Nothing is going on the flow, most of these messages coming from de…

---

## [How to rename the message?](https://discourse.nodered.org/t/how-to-rename-the-message/50354)

<div class="topic-metadata">

**Author:** [@dclear](https://discourse.nodered.org/u/dclear)\
**Replies:** 7\
**Last updated:** [30 August 2021 15:02 UTC](https://discourse.nodered.org/t/how-to-rename-the-message/50354 "2021-08-30T15:02:59Z")

</div>

\[{"ID":2,"EVENTTYPE":0,"MOST\_RECENT\_SIGN\_EVENT":"2021-05-26T08:21:30.000Z"},{"ID":2,"EVENTTYPE":1,"MOST\_RECENT\_SIGN\_EVENT":"2021-08-29T15:17:44.000Z"}\] I have an array that looks just like the above. Basically eventtype…

---

## [Kafkajs-consumer status shows "ready" at the beginning and then shows "offline" immediately](https://discourse.nodered.org/t/kafkajs-consumer-status-shows-ready-at-the-beginning-and-then-shows-offline-immediately/50390)

<div class="topic-metadata">

**Author:** [@Nirajan](https://discourse.nodered.org/u/Nirajan)\
**Replies:** 0\
**Last updated:** [30 August 2021 14:18 UTC](https://discourse.nodered.org/t/kafkajs-consumer-status-shows-ready-at-the-beginning-and-then-shows-offline-immediately/50390 "2021-08-30T14:18:43Z")

</div>

Hello Everyone, I am using kafkajs-consumer node to connect to kafka broker and trying to get data from the broker. I have configured the consumer node with given "broker id, topic-name, group-id, client-id" and i am us…

---

## [MQTT Aedes Problem Connecting Multiple Arduino Controllers](https://discourse.nodered.org/t/mqtt-aedes-problem-connecting-multiple-arduino-controllers/50364)

<div class="topic-metadata">

**Author:** [@Alpal](https://discourse.nodered.org/u/Alpal)\
**Replies:** 5\
**Last updated:** [30 August 2021 12:25 UTC](https://discourse.nodered.org/t/mqtt-aedes-problem-connecting-multiple-arduino-controllers/50364 "2021-08-30T12:25:12Z")

</div>

Newbie here - hi. And I mean new I. New to Arduino/MQTT/Node-Red etc. I’m running Arduino Mkr1010 controllers communicating via WiFi, MQTT to Node-Red on a laptop. All goes well running a single arduino. Can subscribe, …

---

## [Repeat X times in ms or second](https://discourse.nodered.org/t/repeat-x-times-in-ms-or-second/50359)

<div class="topic-metadata">

**Author:** [@greenb8](https://discourse.nodered.org/u/greenb8)\
**Replies:** 3\
**Last updated:** [30 August 2021 11:21 UTC](https://discourse.nodered.org/t/repeat-x-times-in-ms-or-second/50359 "2021-08-30T11:21:32Z")

</div>

Hey all, First time poster here. I have a pentair pool light I am trying to control through home assistant. I have the entity set up and am able to control the light with on/of manual presses. My main goal here is to be…

---

## [ECONNREFUSED errors when writing data to influxDB with node-red-contrib-influxdb](https://discourse.nodered.org/t/econnrefused-errors-when-writing-data-to-influxdb-with-node-red-contrib-influxdb/50307)

<div class="topic-metadata">

**Author:** [@JohnMM](https://discourse.nodered.org/u/JohnMM)\
**Replies:** 3\
**Last updated:** [30 August 2021 09:56 UTC](https://discourse.nodered.org/t/econnrefused-errors-when-writing-data-to-influxdb-with-node-red-contrib-influxdb/50307 "2021-08-30T09:56:41Z")

</div>

I have Node-Red and InfluxDB installed on Ubuntu: Ubuntu 20.04.3 LTS Node-RED 2.0.5 InfluxDB 1.8.9 node-red-contrib-influxdb 0.6.1 When I write data to the influxdb out node I get a ECONNREFUSED error after a number…

---

## [Node-red-contrib-prometheus-exporter](https://discourse.nodered.org/t/node-red-contrib-prometheus-exporter/49977)

<div class="topic-metadata">

**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 3\
**Last updated:** [30 August 2021 08:53 UTC](https://discourse.nodered.org/t/node-red-contrib-prometheus-exporter/49977 "2021-08-30T08:53:03Z")

</div>

Hi there, I am using Nodered to collect metrics from various sensors and store the output in influxDB. I am now facing the need to expose my metrics to Prometheus. I have installed prometheus on a Raspberry Pi4 and loo…

---

## [Coordinate mapping](https://discourse.nodered.org/t/coordinate-mapping/50080)

<div class="topic-metadata">

**Author:** [@John\_Barry](https://discourse.nodered.org/u/John_Barry)\
**Replies:** 5\
**Last updated:** [30 August 2021 06:51 UTC](https://discourse.nodered.org/t/coordinate-mapping/50080 "2021-08-30T06:51:04Z")

</div>

Hi all, I've got a project on the go where i am trying to map agricultural fields. The farm has 5 blocks and i need to determine if a input location is within the specific field and return the name of that field. This…

---

## [Loading newly installed nodes without restarting node-red server?](https://discourse.nodered.org/t/loading-newly-installed-nodes-without-restarting-node-red-server/50239)

<div class="topic-metadata">

**Author:** [@kakyoism](https://discourse.nodered.org/u/kakyoism)\
**Replies:** 6\
**Last updated:** [30 August 2021 06:41 UTC](https://discourse.nodered.org/t/loading-newly-installed-nodes-without-restarting-node-red-server/50239 "2021-08-30T06:41:03Z")

</div>

I found that when installing new nodes, the dashboard won't know about the new nodes unless we restart the Node-RED server. Is there a way to "live-inject" nodes into a running Node-RED session?

---

## [Gpio control though keyboard keys](https://discourse.nodered.org/t/gpio-control-though-keyboard-keys/50372)

<div class="topic-metadata">

**Author:** [@raatech91](https://discourse.nodered.org/u/raatech91)\
**Replies:** 1\
**Last updated:** [30 August 2021 06:14 UTC](https://discourse.nodered.org/t/gpio-control-though-keyboard-keys/50372 "2021-08-30T06:14:00Z")

</div>

can we create control in node red with javascript code to control raspberry pi gpio pins through keyboard keys up,down,left,right . press a button led on release the button led off .like game keys control. can pay you…

---

## [Can't uninstall web socket](https://discourse.nodered.org/t/cant-uninstall-web-socket/50355)

<div class="topic-metadata">

**Author:** [@MrWolff](https://discourse.nodered.org/u/MrWolff)\
**Replies:** 3\
**Last updated:** [30 August 2021 05:55 UTC](https://discourse.nodered.org/t/cant-uninstall-web-socket/50355 "2021-08-30T05:55:39Z")

</div>

Hello everyone, I have a problem with the: node-red-contrib-websocket I tried to install the node with: npm uninstall node-red-contrib-websocket But this didn't work. Is there anything else I can do? The conflict: …

---

## [FindOne on node mongodb-2 to no avail](https://discourse.nodered.org/t/findone-on-node-mongodb-2-to-no-avail/50333)

<div class="topic-metadata">

**Author:** [@omalisson](https://discourse.nodered.org/u/omalisson)\
**Replies:** 2\
**Last updated:** [29 August 2021 23:38 UTC](https://discourse.nodered.org/t/findone-on-node-mongodb-2-to-no-avail/50333 "2021-08-29T23:38:49Z")

</div>

I'm trying to use the mongodb-2 node to retrieve a saved information and for that I'm using the example of the mongodb-2 node page but without success... In the terminal the query returns me the desired information as s…

---

## [How to read tasmota-timers via mqtt in node-red](https://discourse.nodered.org/t/how-to-read-tasmota-timers-via-mqtt-in-node-red/50261)

<div class="topic-metadata">

**Author:** [@hnymphius](https://discourse.nodered.org/u/hnymphius)\
**Replies:** 20\
**Last updated:** [29 August 2021 19:04 UTC](https://discourse.nodered.org/t/how-to-read-tasmota-timers-via-mqtt-in-node-red/50261 "2021-08-29T19:04:29Z")

</div>

Hello, as a newbie to node-red I may ask a simple question but for me it has been a stopper for the last couple of days. The scenario: On an ESP8266 I run Tasmota to control 3 switches via timers. Ie. Timer1 sets the …

---

## [Issues with node-red-contrib-prometheus-exporter on a particular node](https://discourse.nodered.org/t/issues-with-node-red-contrib-prometheus-exporter-on-a-particular-node/50351)

<div class="topic-metadata">

**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 2\
**Last updated:** [29 August 2021 16:39 UTC](https://discourse.nodered.org/t/issues-with-node-red-contrib-prometheus-exporter-on-a-particular-node/50351 "2021-08-29T16:39:29Z")

</div>

I finally successfully managed set up few nodes with the Prometheus exporter except one. Differently from the other nodes which are fine, this note simply expect a 0/1 which represent the status of a pin low/high. \[{"i…

---

## [RPI4B vs DHT22 vs Node-Red](https://discourse.nodered.org/t/rpi4b-vs-dht22-vs-node-red/50346)

<div class="topic-metadata">

**Author:** [@millsienz](https://discourse.nodered.org/u/millsienz)\
**Replies:** 5\
**Last updated:** [29 August 2021 14:14 UTC](https://discourse.nodered.org/t/rpi4b-vs-dht22-vs-node-red/50346 "2021-08-29T14:14:26Z")

</div>

Platform: pi 4 model B+ OS: Raspios 21-05-07 Node-RED: 1.3.4 node: v14.17.5 nodejs: v10.24.0 npm: 6.14.14 bcm2385 libs 1.69 problem node: node-red-contrib-dht-sensor v1.0.4 Hey team, I'm having problems with my D…

---

## [Node-RED projects not recognizing git command](https://discourse.nodered.org/t/node-red-projects-not-recognizing-git-command/50335)

<div class="topic-metadata">

**Author:** [@gabrielmd](https://discourse.nodered.org/u/gabrielmd)\
**Replies:** 2\
**Last updated:** [29 August 2021 07:32 UTC](https://discourse.nodered.org/t/node-red-projects-not-recognizing-git-command/50335 "2021-08-29T07:32:59Z")

</div>

I installed Node-RED in Ubuntu using snap and I can't enable Projects, because it is not finding the git command even though I have git and ssh-keygen installed. Also, I have also configured my git client with user.name…

---

## [Tt.mm.yyyy value to timestamp](https://discourse.nodered.org/t/tt-mm-yyyy-value-to-timestamp/50347)

<div class="topic-metadata">

**Author:** [@vikozo](https://discourse.nodered.org/u/vikozo)\
**Replies:** 2\
**Last updated:** [29 August 2021 07:23 UTC](https://discourse.nodered.org/t/tt-mm-yyyy-value-to-timestamp/50347 "2021-08-29T07:23:51Z")

</div>

hello i have a Node 'function' where i do add some information manualy. there i have a let myDatum = "17.06.2021" ; // tt.mm.yyyy i would like to have the Datum changed (timestamp) to save it in InfluxDB so in Graf…

---

## [Uibuilder & Node RED 2.0.2](https://discourse.nodered.org/t/uibuilder-node-red-2-0-2/50329)

<div class="topic-metadata">

**Author:** [@wuppergit](https://discourse.nodered.org/u/wuppergit)\
**Replies:** 4\
**Last updated:** [29 August 2021 07:11 UTC](https://discourse.nodered.org/t/uibuilder-node-red-2-0-2/50329 "2021-08-29T07:11:18Z")

</div>

Hi out there, while uibuilder 3.1.3 is running under Node RED 1.2.6 (node.js 12.20.0) like a charm the output usinge recent Versions (uibuilder 4.1.1, Node RED 2.0.5, node.js 12.20.0) is quite "corrupt". Flow: \[{"id":…

---

## [What is the proper way to require a module for use in httpNodeMiddleware?](https://discourse.nodered.org/t/what-is-the-proper-way-to-require-a-module-for-use-in-httpnodemiddleware/50319)

<div class="topic-metadata">

**Author:** [@itheemonk](https://discourse.nodered.org/u/itheemonk)\
**Replies:** 5\
**Last updated:** [28 August 2021 22:04 UTC](https://discourse.nodered.org/t/what-is-the-proper-way-to-require-a-module-for-use-in-httpnodemiddleware/50319 "2021-08-28T22:04:10Z")

</div>

I have the this declaration in my httpNodeMiddleware function: var jwt = require('jsonwebtoken'); Where can I move this too so that I don't have to load the module every time a request comes in? cheers,

---

## ["node-red admin login" fails with enabled https](https://discourse.nodered.org/t/node-red-admin-login-fails-with-enabled-https/50336)

<div class="topic-metadata">

**Author:** [@rko](https://discourse.nodered.org/u/rko)\
**Replies:** 1\
**Last updated:** [28 August 2021 22:03 UTC](https://discourse.nodered.org/t/node-red-admin-login-fails-with-enabled-https/50336 "2021-08-28T22:03:47Z")

</div>

Just wanted to explore the node-red admin commands and got the "usual" certificate error: Error: self signed certificate We could invest some time to get rid of the error but as soon as the device is out in the wild (a…

[Previous page](https://discourse.nodered.org/c/general/7.md?page=500)

[Next page](https://discourse.nodered.org/c/general/7.md?page=502)