# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1006

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

**Page:** 1007

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## [\[Updated\] node-red-contrib-static-markdown v0.1.1](https://discourse.nodered.org/t/updated-node-red-contrib-static-markdown-v0-1-1/32390)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 5\
**Last updated:** [4 September 2020 12:06 UTC](https://discourse.nodered.org/t/updated-node-red-contrib-static-markdown-v0-1-1/32390 "2020-09-04T12:06:52Z")

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Hi all, a new version of this node has been released containing a mix of bug fixes and enhancements. Many thanks to @janvda for Pull Requests and testing. Updated all dependencies - No more support for Node.js v6 o…

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## [Heatmap - only update changed values](https://discourse.nodered.org/t/heatmap-only-update-changed-values/32342)

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**Author:** [@hermiot](https://discourse.nodered.org/u/hermiot)\
**Replies:** 5\
**Last updated:** [4 September 2020 11:26 UTC](https://discourse.nodered.org/t/heatmap-only-update-changed-values/32342 "2020-09-04T11:26:39Z")

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Hi, I build a heatmap to monitore temperatures and CO2 values on a floor plan image. By design, the Heatmap Node displays a given Matrix which works like a charm. My sensors send their data via MQTT in different sampl…

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## [With dashboard Chart node collect the data and store it](https://discourse.nodered.org/t/with-dashboard-chart-node-collect-the-data-and-store-it/32433)

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**Author:** [@rubeng0182](https://discourse.nodered.org/u/rubeng0182)\
**Replies:** 10\
**Last updated:** [4 September 2020 09:56 UTC](https://discourse.nodered.org/t/with-dashboard-chart-node-collect-the-data-and-store-it/32433 "2020-09-04T09:56:18Z")

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Hello, i have been trying to store chart data on my RPI4, but i havent been able to do so. i wanna get it in excel or any other handy file, that way the dates and the data is clear to see.

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## [Moon phase icons](https://discourse.nodered.org/t/moon-phase-icons/25802)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 19\
**Last updated:** [4 September 2020 09:54 UTC](https://discourse.nodered.org/t/moon-phase-icons/25802 "2020-09-04T09:54:53Z")

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If you have been following this thread, you may be aware that I'm in the process of adding moon phase icons to weather-icons-lite, which would make them available as part of the dashboard core. However, I've hit a dilem…

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## [Logitech Harmony Hub disconnects after a few hours](https://discourse.nodered.org/t/logitech-harmony-hub-disconnects-after-a-few-hours/14309)

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**Author:** [@grexxen](https://discourse.nodered.org/u/grexxen)\
**Replies:** 1\
**Last updated:** [4 September 2020 09:03 UTC](https://discourse.nodered.org/t/logitech-harmony-hub-disconnects-after-a-few-hours/14309 "2020-09-04T09:03:14Z")

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Hello together, I'm new in the Forum and want introduce me shortly. My name is Gregor and I'm from Germany. Me and my wife moved this year into our new house. We use KNX and Node-Red together to control different thing…

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## [Date time input from Dashboard - how to?](https://discourse.nodered.org/t/date-time-input-from-dashboard-how-to/32369)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 8\
**Last updated:** [4 September 2020 08:41 UTC](https://discourse.nodered.org/t/date-time-input-from-dashboard-how-to/32369 "2020-09-04T08:41:35Z")

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I need to be able to input a date and time in the Dashboard, and output the result in a message. So I have added two dashboard nodes (Date and Text, set to time picker), which output to flow context, then I can read them…

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## [Connecting to MQTT Broker](https://discourse.nodered.org/t/connecting-to-mqtt-broker/32428)

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**Author:** [@LBP](https://discourse.nodered.org/u/LBP)\
**Replies:** 1\
**Last updated:** [4 September 2020 06:34 UTC](https://discourse.nodered.org/t/connecting-to-mqtt-broker/32428 "2020-09-04T06:34:30Z")

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Hi. I have a project where my Node-Red is hosting in Heroku. However, I don't know how to configure and connect to "MQTT Out" in Heroku from my local code in C#. Hope to get solution for this. Thank you guys who respond…

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## [How to insert data to mongodb?](https://discourse.nodered.org/t/how-to-insert-data-to-mongodb/32425)

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**Author:** [@Rony](https://discourse.nodered.org/u/Rony)\
**Replies:** 0\
**Last updated:** [4 September 2020 01:10 UTC](https://discourse.nodered.org/t/how-to-insert-data-to-mongodb/32425 "2020-09-04T01:10:32Z")

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With this flow, how can I insert data in mongodb ? I mean the configuration of nodes and way of sending data. I'm new in node-red arena !

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## [Auto Create new flow](https://discourse.nodered.org/t/auto-create-new-flow/32389)

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**Author:** [@cherryhdt](https://discourse.nodered.org/u/cherryhdt)\
**Replies:** 4\
**Last updated:** [4 September 2020 01:02 UTC](https://discourse.nodered.org/t/auto-create-new-flow/32389 "2020-09-04T01:02:26Z")

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I know how to upload a json file ,then it will create a new flow，but I want to come true this process in program.Do you have some advises?Thanks!

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## [Office 365 Email Integration](https://discourse.nodered.org/t/office-365-email-integration/2732)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 3\
**Last updated:** [3 September 2020 23:12 UTC](https://discourse.nodered.org/t/office-365-email-integration/2732 "2020-09-03T23:12:09Z")

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Just a quicky - something I've only just learned. If you use Office 365 for email, you may be interested to know that it supports webhooks. Previously I thought these only worked for "Office Groups" or "Teams" but they …

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## [Node-red-contrib-infocache missing](https://discourse.nodered.org/t/node-red-contrib-infocache-missing/30858)

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**Author:** [@GPG](https://discourse.nodered.org/u/GPG)\
**Replies:** 9\
**Last updated:** [3 September 2020 23:04 UTC](https://discourse.nodered.org/t/node-red-contrib-infocache-missing/30858 "2020-09-03T23:04:47Z")

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Hi all, I'm trying to use UI Builder, but I'm not able to install \[node-red-contrib-infocache\] module. It isn't possible neither by Node-Red palette neither by npm install, it seems that this repo is missing in npm reg…

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## [Time and date not making sense to me](https://discourse.nodered.org/t/time-and-date-not-making-sense-to-me/32402)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 12\
**Last updated:** [3 September 2020 22:10 UTC](https://discourse.nodered.org/t/time-and-date-not-making-sense-to-me/32402 "2020-09-03T22:10:51Z")

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The time now (local) is 22:40 3 Sept 2020 Give or take for the minutes/seconds. This is an extract of a flow: \[{"id":"4b8ef85a.3c413","type":"inject","z":"242538c4.33ddf8","name":"","repeat":"","crontab":"","once":fal…

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## [Fader Input level from serial](https://discourse.nodered.org/t/fader-input-level-from-serial/32421)

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**Author:** [@iainharvey42](https://discourse.nodered.org/u/iainharvey42)\
**Replies:** 2\
**Last updated:** [3 September 2020 21:53 UTC](https://discourse.nodered.org/t/fader-input-level-from-serial/32421 "2020-09-03T21:53:06Z")

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I have a fader which connects via serial passes a value in depending on its position. I am looking at using this to control a light however due to the serial rate we only get around 5 messages per fade. As such I need t…

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## [Is there a "better" way to run this - i.e. how to remove the loop node](https://discourse.nodered.org/t/is-there-a-better-way-to-run-this-i-e-how-to-remove-the-loop-node/32397)

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**Author:** [@greengolfer](https://discourse.nodered.org/u/greengolfer)\
**Replies:** 7\
**Last updated:** [3 September 2020 19:57 UTC](https://discourse.nodered.org/t/is-there-a-better-way-to-run-this-i-e-how-to-remove-the-loop-node/32397 "2020-09-03T19:57:32Z")

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I am going to piggyback on this thread, as I have a question somehow related to the loop aspect. \[note by moderator: this post has been moved from another thread to keep them seperate\] I am currently using the loop nod…

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## [Where is "Zombie" node?](https://discourse.nodered.org/t/where-is-zombie-node/32409)

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**Author:** [@greengolfer](https://discourse.nodered.org/u/greengolfer)\
**Replies:** 10\
**Last updated:** [3 September 2020 17:37 UTC](https://discourse.nodered.org/t/where-is-zombie-node/32409 "2020-09-03T17:37:02Z")

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Thanks to @Steve-Mcl I have removed my loop nodes and replace them with functions. I want to remove the loop node from the palette, but it appears to still be "in use" When I search in the flows where it is used I have…

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## [Creating node for object detection](https://discourse.nodered.org/t/creating-node-for-object-detection/32400)

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**Author:** [@maxmsi](https://discourse.nodered.org/u/maxmsi)\
**Replies:** 1\
**Last updated:** [3 September 2020 16:05 UTC](https://discourse.nodered.org/t/creating-node-for-object-detection/32400 "2020-09-03T16:05:36Z")

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Hello, I have to create a node, based of some existing ML model. I'm a pretty beginner of node-red, so I'm creating this topic, to request you guys for some advices/approach to create that node. Its my intern task, so g…

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## [Displaying an image on UIBuilder page from Node-red dashboard](https://discourse.nodered.org/t/displaying-an-image-on-uibuilder-page-from-node-red-dashboard/32239)

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**Author:** [@DavidE1A](https://discourse.nodered.org/u/DavidE1A)\
**Replies:** 13\
**Last updated:** [3 September 2020 15:46 UTC](https://discourse.nodered.org/t/displaying-an-image-on-uibuilder-page-from-node-red-dashboard/32239 "2020-09-03T15:46:31Z")

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Hi, I'm trying to create an escape room gm/hint system and one feature I'd like to have is to send through an image (preferably selected from a dropdown menu) to display on the UIBuilder page along with the timer. I've m…

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## [Create opc-ua server](https://discourse.nodered.org/t/create-opc-ua-server/32405)

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**Author:** [@Federica](https://discourse.nodered.org/u/Federica)\
**Replies:** 1\
**Last updated:** [3 September 2020 14:56 UTC](https://discourse.nodered.org/t/create-opc-ua-server/32405 "2020-09-03T14:56:46Z")

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Hello, I want to create an opc-ua server structure using the "node-red-contrib-opcua" library, specifically the 'OPC-UA-Server' node, but I can't find any examples. Can you help me? Thank you

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## [Pre-fill an edit form node](https://discourse.nodered.org/t/pre-fill-an-edit-form-node/32393)

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**Author:** [@Laurent](https://discourse.nodered.org/u/Laurent)\
**Replies:** 5\
**Last updated:** [3 September 2020 14:05 UTC](https://discourse.nodered.org/t/pre-fill-an-edit-form-node/32393 "2020-09-03T14:05:49Z")

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Good morning all, I am trying to pre-fill an edit form node from the payload of an inject node (+ an edit file node) configured to retrieve the data in a file and send it to the edit form node when node-red starts. Af…

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## [How to pass the array to the loop](https://discourse.nodered.org/t/how-to-pass-the-array-to-the-loop/32381)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 18\
**Last updated:** [3 September 2020 10:23 UTC](https://discourse.nodered.org/t/how-to-pass-the-array-to-the-loop/32381 "2020-09-03T10:23:19Z")

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Hello Everyone, I'm completely new to node-red. I am trying to create a flow in which i have to loop while condition and within loop i need to add sub flows based on value of loop. ※sub flows are the same handling. I…

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## [Node.send( ) stuck with loop](https://discourse.nodered.org/t/node-send-stuck-with-loop/32394)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [3 September 2020 10:51 UTC](https://discourse.nodered.org/t/node-send-stuck-with-loop/32394 "2020-09-03T10:51:20Z")

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Given: msg.payload = 0 and msg.menu exists thus: {"1":"Show clock/time","2":"Show alarms","3":"Edit time/date","4":"Edit alarm/s","5":"Alarm run time"} I have done things similar and done things like this before. T…

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## [Increasing PWM frequency beyond 100 Hz](https://discourse.nodered.org/t/increasing-pwm-frequency-beyond-100-hz/32382)

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**Author:** [@88bit](https://discourse.nodered.org/u/88bit)\
**Replies:** 1\
**Last updated:** [3 September 2020 10:46 UTC](https://discourse.nodered.org/t/increasing-pwm-frequency-beyond-100-hz/32382 "2020-09-03T10:46:22Z")

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Hi I'm using a Raspberry Pi to drive a PWM output. I use this output to regulate a 0-20 mA circuit . converting the PWM voltage into current. However the library node-red-node-pi-gpiod only allows a maximum of 100 Hz. T…

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## [Making array and reading single values](https://discourse.nodered.org/t/making-array-and-reading-single-values/32391)

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**Author:** [@vishalk](https://discourse.nodered.org/u/vishalk)\
**Replies:** 1\
**Last updated:** [3 September 2020 10:34 UTC](https://discourse.nodered.org/t/making-array-and-reading-single-values/32391 "2020-09-03T10:34:19Z")

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Hello, I am little new to node red.I dont know javascript I want to read 8 bits from PLC and the for each single bit status is to be shown on LED display. But I dont know how to do it. picture shows the exmaple how …

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## [Homematic Programme mit Ikea Tradfri koppeln in Node Red](https://discourse.nodered.org/t/homematic-programme-mit-ikea-tradfri-koppeln-in-node-red/32368)

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**Author:** [@Alex280181](https://discourse.nodered.org/u/Alex280181)\
**Replies:** 3\
**Last updated:** [3 September 2020 10:05 UTC](https://discourse.nodered.org/t/homematic-programme-mit-ikea-tradfri-koppeln-in-node-red/32368 "2020-09-03T10:05:52Z")

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Hallo, ich bin komplett neu bei Node Red und versuche gerade meine gerade meine Homematic Programme mit meinem Tradfri gateway zu koppeln. Sprich wenn Homematic ein Programm auslöst sollen auch bestimmte devices and m…

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## [Node-RED Vision as a sensor](https://discourse.nodered.org/t/node-red-vision-as-a-sensor/32392)

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**Author:** [@goto50](https://discourse.nodered.org/u/goto50)\
**Replies:** 0\
**Last updated:** [3 September 2020 09:57 UTC](https://discourse.nodered.org/t/node-red-vision-as-a-sensor/32392 "2020-09-03T09:57:07Z")

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Using a Vizi-AI devkit from ADLINK, Rob Boville enabled the output data with Node-RED and twilio SMS connectivity to deliver notifications with object detection check out the project on Hackster.io https://www.hackster.…

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## [File node install & Write file sample](https://discourse.nodered.org/t/file-node-install-write-file-sample/32384)

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**Author:** [@JVergara](https://discourse.nodered.org/u/JVergara)\
**Replies:** 3\
**Last updated:** [3 September 2020 08:57 UTC](https://discourse.nodered.org/t/file-node-install-write-file-sample/32384 "2020-09-03T08:57:02Z")

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Hello at all, I need some help with the file node in Node-RED implementation. I would like to write the data from a table of datacloudant into a file ( CSV/XML or JSON). I have tried differente method but I dont get it…

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## [What's going on when making a post and the preview window?](https://discourse.nodered.org/t/whats-going-on-when-making-a-post-and-the-preview-window/32371)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [3 September 2020 07:58 UTC](https://discourse.nodered.org/t/whats-going-on-when-making-a-post-and-the-preview-window/32371 "2020-09-03T07:58:00Z")

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I just posted a long question. The screen is split in the middle (left/right) to the edit and preview. Fair enough and until now it hasn't been too much of a problem. But today, the synchronisation between the two was…

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## [Stuck getting weather icons-lite working](https://discourse.nodered.org/t/stuck-getting-weather-icons-lite-working/32370)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [3 September 2020 07:33 UTC](https://discourse.nodered.org/t/stuck-getting-weather-icons-lite-working/32370 "2020-09-03T07:33:52Z")

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Quick back story: A long time ago I got weather icons installed and working on an early machine. It (the icons) are working. Details: NR 1.0.3 Dashboard 2.20.0 Now: I want to get the icons working on another mach…

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## [How to read files on Raspberry Pi](https://discourse.nodered.org/t/how-to-read-files-on-raspberry-pi/32377)

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**Author:** [@lan](https://discourse.nodered.org/u/lan)\
**Replies:** 16\
**Last updated:** [3 September 2020 07:29 UTC](https://discourse.nodered.org/t/how-to-read-files-on-raspberry-pi/32377 "2020-09-03T07:29:17Z")

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I want to know how to use fill in node in Raspberry Pi. On Windows, I need to use escape path separators, for example: \\Users\\myUser. But in Raspberry Pi I don't know how to fill in the address of the document. Below …

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## [How to change output?](https://discourse.nodered.org/t/how-to-change-output/32306)

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**Author:** [@Zerg](https://discourse.nodered.org/u/Zerg)\
**Replies:** 14\
**Last updated:** [3 September 2020 07:20 UTC](https://discourse.nodered.org/t/how-to-change-output/32306 "2020-09-03T07:20:49Z")

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I'm beginner in "Node-red", can you tell me what I'm doing wrong? I have output like this 01.09.2020, 17:13:21node: 1acab143.6805af zigbee2mqtt/0xec1bbdfffe6dff16 : msg.payload : Object object update\_available: true st…

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