# Latest

**URL:** https://discourse.nodered.org/latest.md?page=615

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

**Page:** 616

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## [How to reduce Y references and fill up X data?](https://discourse.nodered.org/t/how-to-reduce-y-references-and-fill-up-x-data/59241)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 18\
**Last updated:** [4 March 2022 19:38 UTC](https://discourse.nodered.org/t/how-to-reduce-y-references-and-fill-up-x-data/59241 "2022-03-04T19:38:35Z")

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Hi, I've 2 problems with charts: As you see the Y values are making the cha…

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## [FR - export the placeholders for user/password](https://discourse.nodered.org/t/fr-export-the-placeholders-for-user-password/59367)

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**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 4\
**Last updated:** [4 March 2022 19:01 UTC](https://discourse.nodered.org/t/fr-export-the-placeholders-for-user-password/59367 "2022-03-04T19:01:14Z")

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Hi , Background :- We have multiple environments and we are developing flows and once the development finishes - we send them for QA. We are using ENV variables to set the config of MSSQL node - so that the DB connecti…

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## [MSSQL Plus Node - encrypt password when its an env variable - security pov?](https://discourse.nodered.org/t/mssql-plus-node-encrypt-password-when-its-an-env-variable-security-pov/58303)

<div class="topic-metadata">

**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 11\
**Last updated:** [4 March 2022 16:31 UTC](https://discourse.nodered.org/t/mssql-plus-node-encrypt-password-when-its-an-env-variable-security-pov/58303 "2022-03-04T16:31:39Z")

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Hi Everyone, This is related to "node-red-contrib-mssql-plus" node. While i have opened a FR request for the same , i wanted to check with the forum as well. I have a situation where i cannot change the node credentia…

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## [Fill color for polygon in node-red-contrib-web-worldmap](https://discourse.nodered.org/t/fill-color-for-polygon-in-node-red-contrib-web-worldmap/59334)

<div class="topic-metadata">

**Author:** [@vkuehn](https://discourse.nodered.org/u/vkuehn)\
**Replies:** 5\
**Last updated:** [4 March 2022 16:03 UTC](https://discourse.nodered.org/t/fill-color-for-polygon-in-node-red-contrib-web-worldmap/59334 "2022-03-04T16:03:25Z")

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I tried to create a black polygon filled with white but struggled to do directly in node-red-contrib-web-worldmap. As it uses leaflet I tried in a simple html and succeeded with var latlngsL1 = \[\[0, 0\],\[30, 0\],\[30, 20…

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## [Upgrade to Font Awesome 6](https://discourse.nodered.org/t/upgrade-to-font-awesome-6/59270)

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**Author:** [@Illiteratealliterato](https://discourse.nodered.org/u/Illiteratealliterato)\
**Replies:** 3\
**Last updated:** [4 March 2022 15:46 UTC](https://discourse.nodered.org/t/upgrade-to-font-awesome-6/59270 "2022-03-04T15:46:04Z")

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I've seen a few requests in here to upgrade from Font Awesome 4 to 5. Unfortunately v5 was not backwards compatible with v4, and it was a tough upgrade to make. However, now that v6 is out, I thought it might be worth p…

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## [eWelink node: error:false reply on sonoff dualR3 devices](https://discourse.nodered.org/t/ewelink-node-error-false-reply-on-sonoff-dualr3-devices/59356)

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**Author:** [@EnzoCastellaneta](https://discourse.nodered.org/u/EnzoCastellaneta)\
**Replies:** 5\
**Last updated:** [4 March 2022 15:34 UTC](https://discourse.nodered.org/t/ewelink-node-error-false-reply-on-sonoff-dualr3-devices/59356 "2022-03-04T15:34:07Z")

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Hello. I am completing a Node RED folow to integrate sonoff curtain actuators to switchbot actuators. I have followed all the GUI to set up ewelink flow and it works on all query function (device id, status ecc...) but…

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## [Set the current timezone NR uses from Node-Red](https://discourse.nodered.org/t/set-the-current-timezone-nr-uses-from-node-red/59310)

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**Author:** [@taste](https://discourse.nodered.org/u/taste)\
**Replies:** 17\
**Last updated:** [4 March 2022 15:08 UTC](https://discourse.nodered.org/t/set-the-current-timezone-nr-uses-from-node-red/59310 "2022-03-04T15:08:10Z")

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We run NR as a snap on Ubuntu core 20. The OS is configured with timezone data and we offer a GUI for the user to set the timezone. If the current timezone is changed a restart for NR is required for it to start using th…

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## [Nodered Modbus TCP Maico KWL](https://discourse.nodered.org/t/nodered-modbus-tcp-maico-kwl/59283)

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**Author:** [@marco1990](https://discourse.nodered.org/u/marco1990)\
**Replies:** 0\
**Last updated:** [3 March 2022 09:53 UTC](https://discourse.nodered.org/t/nodered-modbus-tcp-maico-kwl/59283 "2022-03-03T09:53:42Z")

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Hello, I would read and write my Maico KWL. The "Lüftungsanlage" is created and connected. I would write "Stoßlüftung " to on but it did not work. The payload 1 send but nothing do. \[{"id":"c8bb1d688921ebde","type":"t…

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## [How to access context and do maths with a change node?](https://discourse.nodered.org/t/how-to-access-context-and-do-maths-with-a-change-node/59363)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [4 March 2022 13:59 UTC](https://discourse.nodered.org/t/how-to-access-context-and-do-maths-with-a-change-node/59363 "2022-03-04T13:59:34Z")

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(Yes, I know... I've asked before.) I've forgotten and can't remember any key words to search, so I have to ask. I know I have to set the mode to the J (closest I can get to what the symbol is) but I can't remember th…

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## [SNMP and msg.oid](https://discourse.nodered.org/t/snmp-and-msg-oid/59311)

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**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 7\
**Last updated:** [4 March 2022 13:50 UTC](https://discourse.nodered.org/t/snmp-and-msg-oid/59311 "2022-03-04T13:50:25Z")

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We are using the SNMP node. It is working ok. We are sending SNMP get to multiple ports on a device so need to send multiple oid's We verified that we can provide a list of oid ( separated by commas) in the SNMP OID Pr…

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## [Modbus node output data not as expected](https://discourse.nodered.org/t/modbus-node-output-data-not-as-expected/59353)

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**Author:** [@naveenpnk6](https://discourse.nodered.org/u/naveenpnk6)\
**Replies:** 4\
**Last updated:** [4 March 2022 13:37 UTC](https://discourse.nodered.org/t/modbus-node-output-data-not-as-expected/59353 "2022-03-04T13:37:00Z")

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Hello Guys, This my first experience with Node red. My project aim is to collect data from Schneider PLC using Modbus node. Whenever I connect my plc with Node red, Only I got wrong data from modbus. Like if my plc data …

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## [Weird happening with subflows. Help needed to make sure what is happening](https://discourse.nodered.org/t/weird-happening-with-subflows-help-needed-to-make-sure-what-is-happening/59338)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [4 March 2022 12:39 UTC](https://discourse.nodered.org/t/weird-happening-with-subflows-help-needed-to-make-sure-what-is-happening/59338 "2022-03-04T12:39:56Z")

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Sorry, this is not a nice picture. Slightly birthed from my MQTT thread. But this is now a whole different scenario. I have a subflow to give me a userfriendly time output. 3 options: For use in log files. The tim…

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## [Node Red V2.2.2 Python Node on Rasperry 64bit Font Size](https://discourse.nodered.org/t/node-red-v2-2-2-python-node-on-rasperry-64bit-font-size/59351)

<div class="topic-metadata">

**Author:** [@barabba](https://discourse.nodered.org/u/barabba)\
**Replies:** 5\
**Last updated:** [4 March 2022 11:40 UTC](https://discourse.nodered.org/t/node-red-v2-2-2-python-node-on-rasperry-64bit-font-size/59351 "2022-03-04T11:40:28Z")

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Hi all I am using Python 3 in my project. I am python3-function and I would like the font size in the editor to be larger. It's possible? Thanks in advance

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## [Plotting in a chart](https://discourse.nodered.org/t/plotting-in-a-chart/59284)

<div class="topic-metadata">

**Author:** [@Olivia](https://discourse.nodered.org/u/Olivia)\
**Replies:** 13\
**Last updated:** [4 March 2022 11:21 UTC](https://discourse.nodered.org/t/plotting-in-a-chart/59284 "2022-03-04T11:21:00Z")

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Hi everyone, I'm making a script in which I want to process data in a chart. I've already read on the forum that if you want to plot something over a specific time base you should pass it in the form below. However,…

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## [What is event name of Configuration nodes update?](https://discourse.nodered.org/t/what-is-event-name-of-configuration-nodes-update/59340)

<div class="topic-metadata">

**Author:** [@studiobox](https://discourse.nodered.org/u/studiobox)\
**Replies:** 2\
**Last updated:** [4 March 2022 10:28 UTC](https://discourse.nodered.org/t/what-is-event-name-of-configuration-nodes-update/59340 "2022-03-04T10:28:16Z")

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Hi all, I had created my main created node, and it call configuration nodes. Now configuration node can open and editable. But I want to control configuration when \[Update\] button of configuration node is clicked. I …

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## [ID generation as UUID. Development of modules. Change core NR behaviour](https://discourse.nodered.org/t/id-generation-as-uuid-development-of-modules-change-core-nr-behaviour/59346)

<div class="topic-metadata">

**Author:** [@RZechlin](https://discourse.nodered.org/u/RZechlin)\
**Replies:** 0\
**Last updated:** [4 March 2022 09:06 UTC](https://discourse.nodered.org/t/id-generation-as-uuid-development-of-modules-change-core-nr-behaviour/59346 "2022-03-04T09:06:55Z")

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Hi everyone, First of all, thanks to everyone who has been involved in developing this amazing application! This is my first forum post here and I started working with Node-RED several months ago during my Master's Thes…

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## [HTTP Endpoint Examples](https://discourse.nodered.org/t/http-endpoint-examples/51754)

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**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 18\
**Last updated:** [4 March 2022 07:49 UTC](https://discourse.nodered.org/t/http-endpoint-examples/51754 "2022-03-04T07:49:51Z")

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I'm currently preparing a set of Node-RED flows and use cases for my students in order to motivate and encourage them to invent and build web sites and REST services without having to know, learn and program much. To sp…

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## [Voice record via dashboard](https://discourse.nodered.org/t/voice-record-via-dashboard/59058)

<div class="topic-metadata">

**Author:** [@tzionlevy](https://discourse.nodered.org/u/tzionlevy)\
**Replies:** 5\
**Last updated:** [4 March 2022 06:37 UTC](https://discourse.nodered.org/t/voice-record-via-dashboard/59058 "2022-03-04T06:37:47Z")

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Hi to you all, Im pretty new in this forun and also on node red. Has part of my final high school project i need to record audio (via user mic) from the dashboard and play it through the raspberry pi speakers. I have…

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## [MQTT, messages from offline devices](https://discourse.nodered.org/t/mqtt-messages-from-offline-devices/59036)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 56\
**Last updated:** [4 March 2022 01:18 UTC](https://discourse.nodered.org/t/mqtt-messages-from-offline-devices/59036 "2022-03-04T01:18:44Z")

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I use MQTT to talk to remote machines and they also have Birth and Death certificates that have their names in them so I know who is dead and how is alive. Of course these are only sent at the start/end of life and I ge…

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## [How to properly start a node-red docker with contrib nodes?](https://discourse.nodered.org/t/how-to-properly-start-a-node-red-docker-with-contrib-nodes/59335)

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**Author:** [@lu4t](https://discourse.nodered.org/u/lu4t)\
**Replies:** 0\
**Last updated:** [3 March 2022 22:59 UTC](https://discourse.nodered.org/t/how-to-properly-start-a-node-red-docker-with-contrib-nodes/59335 "2022-03-03T22:59:18Z")

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Hi, here's what I want to achieve, I would appreciate your advice on how to do it the right way: when starting a node-red container (from official minimal image), I am mapping a local folder to /data; I am saving (as a…

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## [Free Node-RED Hosting in the Cloud - Grafana](https://discourse.nodered.org/t/free-node-red-hosting-in-the-cloud-grafana/59320)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 7\
**Last updated:** [3 March 2022 21:31 UTC](https://discourse.nodered.org/t/free-node-red-hosting-in-the-cloud-grafana/59320 "2022-03-03T21:31:04Z")

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Hi, Bit off the topic here The post Free Node-RED Hosting in the Cloud very nice. Have anyone add the deployment of Grafana? I can load Grafana and the server is running, but cant access it from outside. (I did stet …

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## [Detect the three (On, Off, Flashing) status of the status LED](https://discourse.nodered.org/t/detect-the-three-on-off-flashing-status-of-the-status-led/59213)

<div class="topic-metadata">

**Author:** [@samanthasiriwardena1](https://discourse.nodered.org/u/samanthasiriwardena1)\
**Replies:** 7\
**Last updated:** [3 March 2022 20:04 UTC](https://discourse.nodered.org/t/detect-the-three-on-off-flashing-status-of-the-status-led/59213 "2022-03-03T20:04:51Z")

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I have a printer. If someone is using it the status LED stays ON. If the printer is idle status LED stays OFF. If the printer needs human assistance the status LED start blinking. I have all wiring is done with a RPi…

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## [New Wiring Features](https://discourse.nodered.org/t/new-wiring-features/59274)

<div class="topic-metadata">

**Author:** [@borpin](https://discourse.nodered.org/u/borpin)\
**Replies:** 9\
**Last updated:** [3 March 2022 19:26 UTC](https://discourse.nodered.org/t/new-wiring-features/59274 "2022-03-03T19:26:40Z")

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On one of the recent releases, I watched the 'what's new' information and there were lots of new ways to wire nodes. I cannot remember what the keystrokes were and cannot find this information again. The documentation …

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## [MQTT connection failed to broker, and ESP-01](https://discourse.nodered.org/t/mqtt-connection-failed-to-broker-and-esp-01/59321)

<div class="topic-metadata">

**Author:** [@MrDoggss](https://discourse.nodered.org/u/MrDoggss)\
**Replies:** 4\
**Last updated:** [3 March 2022 17:39 UTC](https://discourse.nodered.org/t/mqtt-connection-failed-to-broker-and-esp-01/59321 "2022-03-03T17:39:21Z")

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I am having an issue with Node-red and the MQTT broker. I'll let you know, I am very new to Node-red, and my coding is amateur at best. I did not create the flow I am using, or the code. I do fine working with code, jus…

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## [How to paste a Screenshot in the forum](https://discourse.nodered.org/t/how-to-paste-a-screenshot-in-the-forum/59315)

<div class="topic-metadata">

**Author:** [@OriolFM](https://discourse.nodered.org/u/OriolFM)\
**Replies:** 2\
**Last updated:** [3 March 2022 17:35 UTC](https://discourse.nodered.org/t/how-to-paste-a-screenshot-in-the-forum/59315 "2022-03-03T17:35:44Z")

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Just copy the screenshot in your computer's clipboard, then press Ctrl+V when you're typing, it will upload and display the picture (you can see the preview on the right).

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## [How to send sensor data to firebase real time database?](https://discourse.nodered.org/t/how-to-send-sensor-data-to-firebase-real-time-database/57766)

<div class="topic-metadata">

**Author:** [@51fei](https://discourse.nodered.org/u/51fei)\
**Replies:** 2\
**Last updated:** [3 March 2022 17:35 UTC](https://discourse.nodered.org/t/how-to-send-sensor-data-to-firebase-real-time-database/57766 "2022-03-03T17:35:03Z")

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The link of the RTDB is .firebasedatabase.app/. The Node-red node I found for the Firebase is firebaseio.com. How to solve it?

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## [Are "node.id"s fixed once an UI object is created?](https://discourse.nodered.org/t/are-node-id-s-fixed-once-an-ui-object-is-created/59259)

<div class="topic-metadata">

**Author:** [@marcpouliot](https://discourse.nodered.org/u/marcpouliot)\
**Replies:** 9\
**Last updated:** [3 March 2022 15:49 UTC](https://discourse.nodered.org/t/are-node-id-s-fixed-once-an-ui-object-is-created/59259 "2022-03-03T15:49:57Z")

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hi, I have many similar devices (eWeLink/xxxxxx) and at some point the switch is becoming ... large... I created a json file (from an excel file that contains the information about a device. json: Summary{ "de…

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## [NR running, but all flows disabled, should the CPU load for NR process(es) not be very low?](https://discourse.nodered.org/t/nr-running-but-all-flows-disabled-should-the-cpu-load-for-nr-process-es-not-be-very-low/59046)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 17\
**Last updated:** [3 March 2022 14:25 UTC](https://discourse.nodered.org/t/nr-running-but-all-flows-disabled-should-the-cpu-load-for-nr-process-es-not-be-very-low/59046 "2022-03-03T14:25:45Z")

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NR running, but all flows disabled, should the CPU load for NR process(es) not be very low? top - 23:16:15 up 45 min, 3 users, load average: 6.96, 5.02, 7.27 Tasks: 89 total, 5 running, 84 sleeping, 0 stopped, …

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## [Switch filname for data](https://discourse.nodered.org/t/switch-filname-for-data/59304)

<div class="topic-metadata">

**Author:** [@Mersaia](https://discourse.nodered.org/u/Mersaia)\
**Replies:** 3\
**Last updated:** [3 March 2022 13:36 UTC](https://discourse.nodered.org/t/switch-filname-for-data/59304 "2022-03-03T13:36:23Z")

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Hallo together, //Dateinamen zum speichern generieren msg.fname = "Charge\_" + yyyy + mm + dd + ".csv"; //Pfadangabe + Filename msg.filename = "M:/folder1/folder2"+ msg.fname; my problem is that i get an error with that…

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## [Bypass "Sign In" popup with SSO/OpenID valid session](https://discourse.nodered.org/t/bypass-sign-in-popup-with-sso-openid-valid-session/59295)

<div class="topic-metadata">

**Author:** [@fabiobeoni](https://discourse.nodered.org/u/fabiobeoni)\
**Replies:** 2\
**Last updated:** [3 March 2022 13:11 UTC](https://discourse.nodered.org/t/bypass-sign-in-popup-with-sso-openid-valid-session/59295 "2022-03-03T13:11:50Z")

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Hello, I have NodeRED in SSO/OpenID with Keycloak, works great. There is an annoying aspect of the "Sign In" UX: even if I am already logged-in in Keycloak, the first time I access the NodeRED admin dashboard it displa…

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