# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1020

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

**Page:** 1021

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## [Anyone using Docker?](https://discourse.nodered.org/t/anyone-using-docker/4208)

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**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 44\
**Last updated:** [14 August 2020 06:06 UTC](https://discourse.nodered.org/t/anyone-using-docker/4208 "2020-08-14T06:06:01Z")

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Hi, Lately my eye fell on docker. Which looks a very interesting technology to me. There are also Node-RED docker images. So I was wondering if there is anyone out there using docker (e.g. on raspberry pi) ? I am es…

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## [Google Calendar Integration help](https://discourse.nodered.org/t/google-calendar-integration-help/28442)

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**Author:** [@peejayw](https://discourse.nodered.org/u/peejayw)\
**Replies:** 2\
**Last updated:** [14 August 2020 05:21 UTC](https://discourse.nodered.org/t/google-calendar-integration-help/28442 "2020-08-14T05:21:01Z")

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I have integrated Google Calendar into Home Assistant by following the process here and have got the client ID and secret as required. Then I installed the node-red-node-google and added my credentials in the "google ca…

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## [Ideal raspberry pi model](https://discourse.nodered.org/t/ideal-raspberry-pi-model/31508)

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**Author:** [@Joaovitor](https://discourse.nodered.org/u/Joaovitor)\
**Replies:** 3\
**Last updated:** [14 August 2020 00:47 UTC](https://discourse.nodered.org/t/ideal-raspberry-pi-model/31508 "2020-08-14T00:47:05Z")

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Hello guys! Well, I developed an Iot project based on Node-RED and saw that the tool has proved to be the best choice that I could have made. As a result, I really want to carry out my project, developing something defi…

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## [Debug Node output to Logagent or Logstash](https://discourse.nodered.org/t/debug-node-output-to-logagent-or-logstash/30706)

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**Author:** [@Charry2014](https://discourse.nodered.org/u/Charry2014)\
**Replies:** 5\
**Last updated:** [13 August 2020 21:30 UTC](https://discourse.nodered.org/t/debug-node-output-to-logagent-or-logstash/30706 "2020-08-13T21:30:28Z")

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Can anyone point me in the right direction here - I would like to write some debug and monitoring messages to an external log collection tool (Sematext through their Logagent shipper) and have got a bit confused. There a…

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## [Button with function in .js file](https://discourse.nodered.org/t/button-with-function-in-js-file/31453)

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**Author:** [@nodiaque](https://discourse.nodered.org/u/nodiaque)\
**Replies:** 14\
**Last updated:** [13 August 2020 17:23 UTC](https://discourse.nodered.org/t/button-with-function-in-js-file/31453 "2020-08-13T17:23:19Z")

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Hello everyone, I'm having a headache trying to wrap my head arround using button on a node. In my js file, I got a function created in the node description: function EcobeePinRequest(config) { RED.nodes.createNode(t…

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## [Importing 3D model(obj,stl,step,etc) in Node-red Dashboard](https://discourse.nodered.org/t/importing-3d-model-obj-stl-step-etc-in-node-red-dashboard/31492)

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**Author:** [@Jaisantosh](https://discourse.nodered.org/u/Jaisantosh)\
**Replies:** 2\
**Last updated:** [13 August 2020 16:20 UTC](https://discourse.nodered.org/t/importing-3d-model-obj-stl-step-etc-in-node-red-dashboard/31492 "2020-08-13T16:20:12Z")

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Hi, I'm looking for any option to import a 3D model which I have created in other modelling software. As I came across 3D flow of babylon.js but it only have fixed objects like box,sphere,etc and also it creates a separa…

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## [Generate PDF from HTML, no data without refreshing the page](https://discourse.nodered.org/t/generate-pdf-from-html-no-data-without-refreshing-the-page/31465)

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**Author:** [@ArneR](https://discourse.nodered.org/u/ArneR)\
**Replies:** 4\
**Last updated:** [13 August 2020 15:45 UTC](https://discourse.nodered.org/t/generate-pdf-from-html-no-data-without-refreshing-the-page/31465 "2020-08-13T15:45:38Z")

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Hey Currently I am working on exporting data to a PDF file. Creating the file is no problem. When I press the button "generate report", the file is created. However, it does not contain any data (name, first name). I…

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## [Install node-red on windows without NPM](https://discourse.nodered.org/t/install-node-red-on-windows-without-npm/31461)

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**Author:** [@pfe](https://discourse.nodered.org/u/pfe)\
**Replies:** 4\
**Last updated:** [13 August 2020 15:27 UTC](https://discourse.nodered.org/t/install-node-red-on-windows-without-npm/31461 "2020-08-13T15:27:37Z")

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Hello Forum, I would like to use node-red on a windows computer which bellongs to a company ( with network policies).. My problem is that the "npm install -g --unsafe-perm node-red" can't be performed because admin does …

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## [Is it possible to share flows between different projects](https://discourse.nodered.org/t/is-it-possible-to-share-flows-between-different-projects/31531)

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**Author:** [@esque](https://discourse.nodered.org/u/esque)\
**Replies:** 1\
**Last updated:** [13 August 2020 14:24 UTC](https://discourse.nodered.org/t/is-it-possible-to-share-flows-between-different-projects/31531 "2020-08-13T14:24:46Z")

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Hi I am newbie to nodered, and just wondering if it's possible to resuse the subflows from one project into another ? Thanks

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## [Dashboard Detailed Table](https://discourse.nodered.org/t/dashboard-detailed-table/31512)

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**Author:** [@JVergara](https://discourse.nodered.org/u/JVergara)\
**Replies:** 4\
**Last updated:** [13 August 2020 13:30 UTC](https://discourse.nodered.org/t/dashboard-detailed-table/31512 "2020-08-13T13:30:57Z")

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Hello, I want to know more about the ui table in NODE-Red App. I would like to know how is the best way to implement a detailed and modernd design Table from a message object in my NODE-Red App. I have read that could …

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## [Add node installation from other than public site](https://discourse.nodered.org/t/add-node-installation-from-other-than-public-site/31513)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 6\
**Last updated:** [13 August 2020 12:18 UTC](https://discourse.nodered.org/t/add-node-installation-from-other-than-public-site/31513 "2020-08-13T12:18:54Z")

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Hi folks, Since Node-RED version 1.1.0 this pull request should be live: I have version 1.1.2 installed, but I don't know how it works: Even when remove the tarball postfix or the github prefix, I don't get it wo…

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## [\[newbie\] Using exec-node with multiple arguments](https://discourse.nodered.org/t/newbie-using-exec-node-with-multiple-arguments/31490)

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**Author:** [@hugocoolens](https://discourse.nodered.org/u/hugocoolens)\
**Replies:** 3\
**Last updated:** [13 August 2020 11:52 UTC](https://discourse.nodered.org/t/newbie-using-exec-node-with-multiple-arguments/31490 "2020-08-13T11:52:08Z")

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I'd like to use an exec-node to execute the following command: ping -c 1 msg.payload\[1\] Unfortunately I don't know how to specify msg.payload\[1\] in the edit window for an exec-node. The payload of the previous node co…

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## [Get duration of audio](https://discourse.nodered.org/t/get-duration-of-audio/30870)

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**Author:** [@DerT94](https://discourse.nodered.org/u/DerT94)\
**Replies:** 9\
**Last updated:** [13 August 2020 11:47 UTC](https://discourse.nodered.org/t/get-duration-of-audio/30870 "2020-08-13T11:47:36Z")

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Hi, I have realized a connection of the Amazon Polly Service via Node-Red. From polly I get an audio buffer back, I enrich it with wav headers to output it as audio. I would like to be able to determine the duration f…

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## [Exec Node Python Version required](https://discourse.nodered.org/t/exec-node-python-version-required/31523)

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**Author:** [@JohnMacrae](https://discourse.nodered.org/u/JohnMacrae)\
**Replies:** 2\
**Last updated:** [13 August 2020 10:53 UTC](https://discourse.nodered.org/t/exec-node-python-version-required/31523 "2020-08-13T10:53:37Z")

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I wrote a short python(3) script to be used by the exec mode. I used the command line to test it. My environment has an alias so I can type "python script.py" and it will execute with the latest version of Python3 (rath…

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## [Iframe not centered](https://discourse.nodered.org/t/iframe-not-centered/31518)

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**Author:** [@menno](https://discourse.nodered.org/u/menno)\
**Replies:** 5\
**Last updated:** [13 August 2020 10:17 UTC](https://discourse.nodered.org/t/iframe-not-centered/31518 "2020-08-13T10:17:03Z")

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Hi all i want my iframe centered in the middle of my tab. see picture can you help me out here ?? \[{"id":"38aa91ac.81b13e","type":"function","z":"85c6adaf.bd9f5","name":"buienradar","func":"d = new Date().getTime()\\n…

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## [Access flows json in a custom node](https://discourse.nodered.org/t/access-flows-json-in-a-custom-node/31477)

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**Author:** [@Pavithra\_nayak](https://discourse.nodered.org/u/Pavithra_nayak)\
**Replies:** 3\
**Last updated:** [13 August 2020 06:58 UTC](https://discourse.nodered.org/t/access-flows-json-in-a-custom-node/31477 "2020-08-13T06:58:17Z")

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Hi, I want to access flow's json in a custom node. This json needs to be posted to different server. Could you please help me.

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## [Failed to install speakerpi](https://discourse.nodered.org/t/failed-to-install-speakerpi/17955)

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**Author:** [@Sid](https://discourse.nodered.org/u/Sid)\
**Replies:** 6\
**Last updated:** [13 August 2020 06:48 UTC](https://discourse.nodered.org/t/failed-to-install-speakerpi/17955 "2020-08-13T06:48:19Z")

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Hi I want to install the node speakerpi. I always get an error. binding.target.mk:118: recept voor doel 'Release/obj.target/binding/src/binding.o' is mislukt make: \*\*\* \[Release/obj.target/binding/src/binding.o\] Fout 1 …

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## [HTTP POST from to another flow](https://discourse.nodered.org/t/http-post-from-to-another-flow/31479)

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**Author:** [@sundhar](https://discourse.nodered.org/u/sundhar)\
**Replies:** 2\
**Last updated:** [13 August 2020 05:27 UTC](https://discourse.nodered.org/t/http-post-from-to-another-flow/31479 "2020-08-13T05:27:12Z")

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Hi Friends , i am new to node red. i have a question. i created one endpoint post method in flow1. i need to use the same endpoint in another flows. is it possible? when i tried , i got error message "Error: ESOCKETTIME…

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## [Notification node change color and position](https://discourse.nodered.org/t/notification-node-change-color-and-position/31507)

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**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\
**Replies:** 0\
**Last updated:** [13 August 2020 02:01 UTC](https://discourse.nodered.org/t/notification-node-change-color-and-position/31507 "2020-08-13T02:01:35Z")

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Hi guys I'm using the notification node but I saw that it just appears on top right/left and bottom/right left there is a way to appears in the middle? and also there is a way to set it like if I send with a button open…

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## [Clock on toolbar](https://discourse.nodered.org/t/clock-on-toolbar/31484)

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**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\
**Replies:** 4\
**Last updated:** [12 August 2020 19:33 UTC](https://discourse.nodered.org/t/clock-on-toolbar/31484 "2020-08-12T19:33:30Z")

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Hi, guys I found this code of a clock toolbar but it apears on the top right corner I wanted in the middle some help \[{"id":"4a511482.a2accc","type":"ui\_template","z":"33639ff3.68c29","group":"","name":"Reloj","order":0…

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## [Create a template table from message object](https://discourse.nodered.org/t/create-a-template-table-from-message-object/17173)

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**Author:** [@cuxcrider](https://discourse.nodered.org/u/cuxcrider)\
**Replies:** 27\
**Last updated:** [12 August 2020 22:37 UTC](https://discourse.nodered.org/t/create-a-template-table-from-message-object/17173 "2020-08-12T22:37:26Z")

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I want to create a table using a template node. I have a message object composed of circuit boards identified by serial numbers. Each circuit board has two channels that each have their own outputs. These numbers may …

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## [JSON question, get one value](https://discourse.nodered.org/t/json-question-get-one-value/31499)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 7\
**Last updated:** [12 August 2020 22:30 UTC](https://discourse.nodered.org/t/json-question-get-one-value/31499 "2020-08-12T22:30:21Z")

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Help extract data from JSON I am receiving this JSON string from a Sonoff RF bridge: { "Time":"2020-08-12T20:55:56", "RfReceived":{ "Sync":12980, "Low":410, "High":1270, "Data":"DD80F2", …

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## [An old and long on going problem with an error](https://discourse.nodered.org/t/an-old-and-long-on-going-problem-with-an-error/31501)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [12 August 2020 22:26 UTC](https://discourse.nodered.org/t/an-old-and-long-on-going-problem-with-an-error/31501 "2020-08-12T22:26:22Z")

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I got into subflows a fair while ago. They are good. But now and then I get an error from one, and it is confusing me. I put in a bit of code to create an error if conditions weren't met. I'm not sure that is helpi…

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## [Configuration of Somfy Tahoma Consumer Key & Secret](https://discourse.nodered.org/t/configuration-of-somfy-tahoma-consumer-key-secret/31436)

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**Author:** [@jaerc](https://discourse.nodered.org/u/jaerc)\
**Replies:** 8\
**Last updated:** [12 August 2020 21:04 UTC](https://discourse.nodered.org/t/configuration-of-somfy-tahoma-consumer-key-secret/31436 "2020-08-12T21:04:39Z")

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Hi there, I'm totaly new to Node-RED and did try to create an interface to Somfy Tahoma. I did install the node-red-contrib-tahoma with this documentation: https://flows.nodered.org/node/node-red-contrib-tahoma For t…

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## [Mimicking a batch job or a setInterval setup](https://discourse.nodered.org/t/mimicking-a-batch-job-or-a-setinterval-setup/31481)

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**Author:** [@tonytroy](https://discourse.nodered.org/u/tonytroy)\
**Replies:** 9\
**Last updated:** [12 August 2020 20:01 UTC](https://discourse.nodered.org/t/mimicking-a-batch-job-or-a-setinterval-setup/31481 "2020-08-12T20:01:36Z")

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Hi All, I am trying to mimic a continuously running scheduler/batch process or a setInterval method that runs every 20 seconds and checks the DB for any outstanding records. If there are, it processes them and then wait…

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## [Problems with hour](https://discourse.nodered.org/t/problems-with-hour/31485)

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**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\
**Replies:** 5\
**Last updated:** [12 August 2020 19:26 UTC](https://discourse.nodered.org/t/problems-with-hour/31485 "2020-08-12T19:26:54Z")

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Hi guys I have this flow but I'm trying to get my current hour but is not even close I don't know what is happening \[{"id":"5f2dfd9c.f03124","type":"function","z":"8b253657.5d90d8","name":"","func":"global.set('valueo…

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## [Transfer a change from one node to all the same nodes](https://discourse.nodered.org/t/transfer-a-change-from-one-node-to-all-the-same-nodes/30631)

<div class="topic-metadata">

**Author:** [@volker1078](https://discourse.nodered.org/u/volker1078)\
**Replies:** 12\
**Last updated:** [12 August 2020 18:51 UTC](https://discourse.nodered.org/t/transfer-a-change-from-one-node-to-all-the-same-nodes/30631 "2020-08-12T18:51:19Z")

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I wanted to ask if it is possible to change several nodes at the same time. As an example, I have several switch or range nodes in my flow for which I would like to change the entered values. I change the value of one no…

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## [Defect in Tooltip text?](https://discourse.nodered.org/t/defect-in-tooltip-text/31488)

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**Author:** [@davej](https://discourse.nodered.org/u/davej)\
**Replies:** 3\
**Last updated:** [12 August 2020 18:46 UTC](https://discourse.nodered.org/t/defect-in-tooltip-text/31488 "2020-08-12T18:46:24Z")

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I am finding that tooltip text is exceeding the available width of the node. I have a node set to Auto - so 6 units wide and the tooltip text is flowing outside of that available width both left and right. That would s…

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## [Insert into PostgreSQL database](https://discourse.nodered.org/t/insert-into-postgresql-database/31263)

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**Author:** [@jomacdon](https://discourse.nodered.org/u/jomacdon)\
**Replies:** 43\
**Last updated:** [12 August 2020 18:37 UTC](https://discourse.nodered.org/t/insert-into-postgresql-database/31263 "2020-08-12T18:37:19Z")

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Hello guys, I'm wondering what I'm doing wrong here, I have been scouring the forum / google to find the answer and I think I'm nearly there but as a new user of Node-Red I can't figure out why this is not working: M…

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## [Reading a FIT file, and FitSDK](https://discourse.nodered.org/t/reading-a-fit-file-and-fitsdk/29564)

<div class="topic-metadata">

**Author:** [@sylvanoMTL](https://discourse.nodered.org/u/sylvanoMTL)\
**Replies:** 15\
**Last updated:** [12 August 2020 14:57 UTC](https://discourse.nodered.org/t/reading-a-fit-file-and-fitsdk/29564 "2020-08-12T14:57:22Z")

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Good afternoon, another idea, another issue. I would like to explore some possibility using \*.fit files. The actual fit files cannot be read by a human being. Fit files uses XML structure, so I intend to uses the both…

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