# Latest

**URL:** https://discourse.nodered.org/latest.md?page=496

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

**Page:** 497

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## [Whatsapp node not working](https://discourse.nodered.org/t/whatsapp-node-not-working/67870)

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**Author:** [@joey\_ind](https://discourse.nodered.org/u/joey_ind)\
**Replies:** 7\
**Last updated:** [19 September 2022 21:47 UTC](https://discourse.nodered.org/t/whatsapp-node-not-working/67870 "2022-09-19T21:47:41Z")

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Hi, I tried using the whin node but doesn't seem to be working. The debug window shows "request received" but the message is not sent. Any ideas to make it work? P:S - The configuration has been done as required.

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## [Conversion of hexadecimal (16 bits signed) values to decimal](https://discourse.nodered.org/t/conversion-of-hexadecimal-16-bits-signed-values-to-decimal/67940)

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**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 4\
**Last updated:** [19 September 2022 20:36 UTC](https://discourse.nodered.org/t/conversion-of-hexadecimal-16-bits-signed-values-to-decimal/67940 "2022-09-19T20:36:32Z")

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Good evening, once again I am facing a conversion problem. I receive this data in this format. They are the values of voltage, current (which can be negative) and temperature. Debug result: {"timestamp":1663615971682…

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## [Help with the Presence Faker node in a Home Assistant Install](https://discourse.nodered.org/t/help-with-the-presence-faker-node-in-a-home-assistant-install/19460)

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**Author:** [@mattparker](https://discourse.nodered.org/u/mattparker)\
**Replies:** 20\
**Last updated:** [10 September 2020 21:47 UTC](https://discourse.nodered.org/t/help-with-the-presence-faker-node-in-a-home-assistant-install/19460 "2020-09-10T21:47:12Z")

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Total Node-RED newb here. I have created some basic flows in my home assistant install, but I am having a hard time with the presence faker node. I am not sure what to enter in for the On/Off Topic and On/Off Payload. I …

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## [Examples using Apexcharts with uibuilder](https://discourse.nodered.org/t/examples-using-apexcharts-with-uibuilder/67827)

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**Author:** [@OscarF](https://discourse.nodered.org/u/OscarF)\
**Replies:** 4\
**Last updated:** [19 September 2022 19:30 UTC](https://discourse.nodered.org/t/examples-using-apexcharts-with-uibuilder/67827 "2022-09-19T19:30:12Z")

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Hi! I installed the uibuilder to use apexcharts in node red, but when I try to implement the example on node red, I only get the title, no the chart. The example is this.

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## [Customise Node-red using APIs](https://discourse.nodered.org/t/customise-node-red-using-apis/67926)

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**Author:** [@elvisj007](https://discourse.nodered.org/u/elvisj007)\
**Replies:** 1\
**Last updated:** [19 September 2022 15:15 UTC](https://discourse.nodered.org/t/customise-node-red-using-apis/67926 "2022-09-19T15:15:10Z")

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I am trying to make a node-red application as lite as possible. I understand different API's contribute to different functionality/components of the application. How can i use API Reference : Node-RED to customise the…

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## [Colors and Single Letter on Outputs - see image](https://discourse.nodered.org/t/colors-and-single-letter-on-outputs-see-image/67802)

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**Author:** [@andreasmarkussen](https://discourse.nodered.org/u/andreasmarkussen)\
**Replies:** 5\
**Last updated:** [19 September 2022 15:09 UTC](https://discourse.nodered.org/t/colors-and-single-letter-on-outputs-see-image/67802 "2022-09-19T15:09:37Z")

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This will make sense with Custom Nodes..

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## [Question on optimizing resources on the browser that loads NR Dashboard?](https://discourse.nodered.org/t/question-on-optimizing-resources-on-the-browser-that-loads-nr-dashboard/67748)

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**Author:** [@houser](https://discourse.nodered.org/u/houser)\
**Replies:** 4\
**Last updated:** [19 September 2022 12:00 UTC](https://discourse.nodered.org/t/question-on-optimizing-resources-on-the-browser-that-loads-nr-dashboard/67748 "2022-09-19T12:00:52Z")

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Hello, I searched but probably used the wrong search words.. Just wondering if there is a point in separating different tabs into more groups to optimize resource usage for the browser. So does the NR Dashboard load a…

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## [SFTP node crashes server, the other one is not working](https://discourse.nodered.org/t/sftp-node-crashes-server-the-other-one-is-not-working/67757)

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**Author:** [@smitterer](https://discourse.nodered.org/u/smitterer)\
**Replies:** 7\
**Last updated:** [19 September 2022 12:07 UTC](https://discourse.nodered.org/t/sftp-node-crashes-server-the-other-one-is-not-working/67757 "2022-09-19T12:07:45Z")

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Hi! We are using node-red to transfer files to another server via sftp. For that, we were using node-red-contrib-sftp (node) - Node-RED but this is now always only giving us "connecting" when we use the put function, w…

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## [How to send a outlook mail using node-red](https://discourse.nodered.org/t/how-to-send-a-outlook-mail-using-node-red/67908)

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**Author:** [@Ranga](https://discourse.nodered.org/u/Ranga)\
**Replies:** 9\
**Last updated:** [19 September 2022 11:23 UTC](https://discourse.nodered.org/t/how-to-send-a-outlook-mail-using-node-red/67908 "2022-09-19T11:23:24Z")

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Send a outlook mail using node-red nodes?

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## [Use variable within JSON](https://discourse.nodered.org/t/use-variable-within-json/67915)

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**Author:** [@dineshaj](https://discourse.nodered.org/u/dineshaj)\
**Replies:** 3\
**Last updated:** [19 September 2022 10:42 UTC](https://discourse.nodered.org/t/use-variable-within-json/67915 "2022-09-19T10:42:47Z")

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\[ { "id": "fd495236339b5cbc", "type": "tab", "label": "Flow 1", "disabled": false, "info": "", "env": \[\] }, { "id": "4c14b70f4a5557f7", "type": …

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## [What is the BEST way to flash a Dashboard LED?](https://discourse.nodered.org/t/what-is-the-best-way-to-flash-a-dashboard-led/67588)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 13\
**Last updated:** [19 September 2022 10:03 UTC](https://discourse.nodered.org/t/what-is-the-best-way-to-flash-a-dashboard-led/67588 "2022-09-19T10:03:21Z")

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This is a little flow to flash an led on the dashboard but it uses 5 nodes and one of them is a Function. I wonder if there is a more elegant low-code solution using core nodes, and fewer of them? \[{"id":"aaa27ee485…

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## [Firefox connection lost "loop"](https://discourse.nodered.org/t/firefox-connection-lost-loop/67890)

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**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 10\
**Last updated:** [19 September 2022 07:43 UTC](https://discourse.nodered.org/t/firefox-connection-lost-loop/67890 "2022-09-19T07:43:05Z")

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I recently setup a new Rpi with 64bit OS and latest node red. I copied over my flows and thought all was well :wink: However I just noticed a problem in Firefox where “something” causes the lost connection popup, and it…

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## [Acionando dispositivo do Node-Red com Grafana](https://discourse.nodered.org/t/acionando-dispositivo-do-node-red-com-grafana/67901)

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**Author:** [@everklein](https://discourse.nodered.org/u/everklein)\
**Replies:** 1\
**Last updated:** [19 September 2022 06:52 UTC](https://discourse.nodered.org/t/acionando-dispositivo-do-node-red-com-grafana/67901 "2022-09-19T06:52:23Z")

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Good evening, does anyone know if it is possible to add a button in Grafana to trigger any device connected to Node-Red? I have a PLC S7-1200 connected to Node-Red and I'm using Grafana to visualize the data. Is it poss…

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## [This code works differently when I test it than when it gets a real message](https://discourse.nodered.org/t/this-code-works-differently-when-i-test-it-than-when-it-gets-a-real-message/67900)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [19 September 2022 05:10 UTC](https://discourse.nodered.org/t/this-code-works-differently-when-i-test-it-than-when-it-gets-a-real-message/67900 "2022-09-19T05:10:24Z")

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I am confused with what is happening here. Depending in the CPU temperature and a bit of other stuff, I want a RGB LED to blink depending on the message received. \[{"id":"ca5e1e7f2227fa14","type":"subflow","name":"Blin…

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## [Resolved : How does the Complete node work?](https://discourse.nodered.org/t/resolved-how-does-the-complete-node-work/67906)

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**Author:** [@phoddie](https://discourse.nodered.org/u/phoddie)\
**Replies:** 0\
**Last updated:** [19 September 2022 05:05 UTC](https://discourse.nodered.org/t/resolved-how-does-the-complete-node-work/67906 "2022-09-19T05:05:25Z")

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This is a follow-up to my previous post with this same subject ("How does the Complete node work?"). The original has been closed because I took a little too long to follow-up. The news is all good. I now have a working…

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## [How to read tags from S7- 200 PLC(not smart 200)](https://discourse.nodered.org/t/how-to-read-tags-from-s7-200-plc-not-smart-200/67461)

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**Author:** [@joey\_ind](https://discourse.nodered.org/u/joey_ind)\
**Replies:** 8\
**Last updated:** [19 September 2022 04:52 UTC](https://discourse.nodered.org/t/how-to-read-tags-from-s7-200-plc-not-smart-200/67461 "2022-09-19T04:52:24Z")

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Hi, I am facing a lot of trouble in fetching data from S7-200 using S7- in node.I guess the issue is with the addressing ..it not accepting addresses like VW10 , V40 etc. Is S7-in node compatible with S7 200? Please h…

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## [Solar Assistant MQTT - How to use it with Node Red?](https://discourse.nodered.org/t/solar-assistant-mqtt-how-to-use-it-with-node-red/67281)

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**Author:** [@wattmatters](https://discourse.nodered.org/u/wattmatters)\
**Replies:** 41\
**Last updated:** [19 September 2022 04:15 UTC](https://discourse.nodered.org/t/solar-assistant-mqtt-how-to-use-it-with-node-red/67281 "2022-09-19T04:15:27Z")

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Hi, I'm very new to Node Red and on the wrong end of the learning curve. Hoping for some help to understand how to read data from and send instructions via MQTT. Node-RED Current version: 13.3.2 (running inside Home As…

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## [Telegram Inline keyboard](https://discourse.nodered.org/t/telegram-inline-keyboard/67587)

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**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\
**Replies:** 18\
**Last updated:** [19 September 2022 02:44 UTC](https://discourse.nodered.org/t/telegram-inline-keyboard/67587 "2022-09-19T02:44:20Z")

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Hi all! Actually i have been using a custom Telegram "menu" in a simple way. I mean, a command node, and some functions to work together. An example in the following screen shot. The code: \[ { "id": "a0…

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## [Auto adjust text in dashboard](https://discourse.nodered.org/t/auto-adjust-text-in-dashboard/65969)

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**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\
**Replies:** 29\
**Last updated:** [19 September 2022 02:43 UTC](https://discourse.nodered.org/t/auto-adjust-text-in-dashboard/65969 "2022-09-19T02:43:40Z")

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Hi all!. I'm working with dashboard feature and i need to give it a more confortable kinda view, now is messy and i cannot get it right automaticaly. This is what i have so far... I share the flows. \[ { …

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## [Remove empty line in CSV](https://discourse.nodered.org/t/remove-empty-line-in-csv/67690)

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**Author:** [@iqbal](https://discourse.nodered.org/u/iqbal)\
**Replies:** 5\
**Last updated:** [19 September 2022 02:13 UTC](https://discourse.nodered.org/t/remove-empty-line-in-csv/67690 "2022-09-19T02:13:09Z")

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hai guys, how do i remove empty line? thanks, im still new in node red

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## [Dashboard - rtsps stream](https://discourse.nodered.org/t/dashboard-rtsps-stream/67842)

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**Author:** [@martino](https://discourse.nodered.org/u/martino)\
**Replies:** 2\
**Last updated:** [19 September 2022 01:16 UTC](https://discourse.nodered.org/t/dashboard-rtsps-stream/67842 "2022-09-19T01:16:37Z")

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Hello Folks, I have a a G4 Dome (Ubiquiti UniFi) running, that provides me an rtsps-link for streaming the webcam. The rtsps-link looks like this: rtsps://192.168.0.1:7441/6WmLDWEHIjsWzOSq?enableSrtp (Example pattern) …

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## ["Module already loaded", but not showing in palette (node-red-contrib-dht-sensor)](https://discourse.nodered.org/t/module-already-loaded-but-not-showing-in-palette-node-red-contrib-dht-sensor/67894)

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**Author:** [@lessi](https://discourse.nodered.org/u/lessi)\
**Replies:** 3\
**Last updated:** [18 September 2022 19:51 UTC](https://discourse.nodered.org/t/module-already-loaded-but-not-showing-in-palette-node-red-contrib-dht-sensor/67894 "2022-09-18T19:51:34Z")

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I am trying to install node-red-contrib-dht-sensor (node) - Node-RED, but it says "Module already loaded" even though I cannot see that node in the palette. Moreover it doesn't show up in the installed section. It still …

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## [Node-red 3.x on BBB](https://discourse.nodered.org/t/node-red-3-x-on-bbb/67896)

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**Author:** [@ffich](https://discourse.nodered.org/u/ffich)\
**Replies:** 0\
**Last updated:** [18 September 2022 19:45 UTC](https://discourse.nodered.org/t/node-red-3-x-on-bbb/67896 "2022-09-18T19:45:26Z")

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Hi all, I'm trying to use node-red with beaglebone black. I used the pre-installed Debian version I've found on the board (it's Debian 10) and with this version I was not able to run the latest Node-red version. When I …

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## [Convert weatherapi.com time\_epoch field to InfluxDB timestamp](https://discourse.nodered.org/t/convert-weatherapi-com-time-epoch-field-to-influxdb-timestamp/67859)

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**Author:** [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Replies:** 15\
**Last updated:** [18 September 2022 18:02 UTC](https://discourse.nodered.org/t/convert-weatherapi-com-time-epoch-field-to-influxdb-timestamp/67859 "2022-09-18T18:02:00Z")

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I have been trying for about an hour to convert weatherapi.com time\_epoch fields to InfluxDB timestamps, I must be missing something.

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## [Data into Line chart](https://discourse.nodered.org/t/data-into-line-chart/67889)

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**Author:** [@kjez66](https://discourse.nodered.org/u/kjez66)\
**Replies:** 2\
**Last updated:** [18 September 2022 17:00 UTC](https://discourse.nodered.org/t/data-into-line-chart/67889 "2022-09-18T17:00:40Z")

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Hi, I will been putting the last hours of trying to get the line chart working :frowning: I some data in the msg.payload which then is sent to the line chart element but it doesnt render the chart, what am I doing wron…

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## [\[uibuilder\] Reminder about the external templates catalogue](https://discourse.nodered.org/t/uibuilder-reminder-about-the-external-templates-catalogue/67887)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 1\
**Last updated:** [18 September 2022 15:09 UTC](https://discourse.nodered.org/t/uibuilder-reminder-about-the-external-templates-catalogue/67887 "2022-09-18T15:09:23Z")

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Hi all, quick reminder. uibuilder has a feature that lets you quickly create a web app based on a template configuration. Documentation should be in the docs: Creating Templates, however, not much there yet I'm afraid. …

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## [React on Dashboard text-input time](https://discourse.nodered.org/t/react-on-dashboard-text-input-time/67006)

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**Author:** [@egeu5](https://discourse.nodered.org/u/egeu5)\
**Replies:** 2\
**Last updated:** [18 September 2022 15:07 UTC](https://discourse.nodered.org/t/react-on-dashboard-text-input-time/67006 "2022-09-18T15:07:23Z")

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Hi, I want to control a school-bell on different times (about 20 times per Day). I just had to trigger a relay for one second - all the electronic stuff is done. I want a dashboard, with different control options (like …

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## [Can't execute Python script via Node-RED](https://discourse.nodered.org/t/cant-execute-python-script-via-node-red/67764)

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**Author:** [@PedroFilipe](https://discourse.nodered.org/u/PedroFilipe)\
**Replies:** 5\
**Last updated:** [18 September 2022 14:11 UTC](https://discourse.nodered.org/t/cant-execute-python-script-via-node-red/67764 "2022-09-18T14:11:50Z")

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I'm trying to execute a python script through Node-RED, and while previously it worked, I had to format my Raspberry Pi and now it no longers works. The errors it outputs is "cannot connect to X server". The script work…

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## [Action depending on 2 different MQTT messages](https://discourse.nodered.org/t/action-depending-on-2-different-mqtt-messages/67874)

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**Author:** [@HaVi](https://discourse.nodered.org/u/HaVi)\
**Replies:** 6\
**Last updated:** [18 September 2022 13:25 UTC](https://discourse.nodered.org/t/action-depending-on-2-different-mqtt-messages/67874 "2022-09-18T13:25:19Z")

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Via MQTT there are two outputs/messages from my Sonoff (Tasmota) Dual R3: tele/Fietsen/STATE = {"Time":"2022-09-18T11:21:07","Uptime":"0T18:50:17","UptimeSec":67817,"Heap":151,"SleepMode":"Dynamic","Sleep":50,"LoadAvg":…

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## [Array - last (n) item](https://discourse.nodered.org/t/array-last-n-item/67883)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 2\
**Last updated:** [18 September 2022 12:48 UTC](https://discourse.nodered.org/t/array-last-n-item/67883 "2022-09-18T12:48:14Z")

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Hi, I have a file txt with the min / max temperature for each day and with this code ... const x = msg.payload; x.forEach(element =\> { let data let tempMin let tempMax msg.payload = (element.col1) …

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