# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=491

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

**Page:** 492

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## [Node postgres Error: connection timeout](https://discourse.nodered.org/t/node-postgres-error-connection-timeout/51317)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 2\
**Last updated:** [24 September 2021 02:55 UTC](https://discourse.nodered.org/t/node-postgres-error-connection-timeout/51317 "2021-09-24T02:55:49Z")

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Hi, After updating Node JS and Node-RED to the latest version, a connection timeout error occurs when running the program. Could it be that the postgres (node-red-contrib-postgres-variable) node is not compatible w…

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## [Add Types to the message payload](https://discourse.nodered.org/t/add-types-to-the-message-payload/50984)

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**Author:** [@tnrich](https://discourse.nodered.org/u/tnrich)\
**Replies:** 2\
**Last updated:** [23 September 2021 21:59 UTC](https://discourse.nodered.org/t/add-types-to-the-message-payload/50984 "2021-09-23T21:59:46Z")

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Hey there, I'm loving the new monaco editor that was released in node-red v2. It seems like the msg.payload now has an "any" type: I'm wondering if there is a way that we could type the msg.payload coming in if we h…

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## [Notifications History](https://discourse.nodered.org/t/notifications-history/51414)

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**Author:** [@\_iJunior](https://discourse.nodered.org/u/_iJunior)\
**Replies:** 9\
**Last updated:** [23 September 2021 17:53 UTC](https://discourse.nodered.org/t/notifications-history/51414 "2021-09-23T17:53:21Z")

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Hello people! I would like to know if it is possible to create some widget on the dashboard to show the history of received notifications, for example the last 5, do you know how I can do this? Or if it's possible at lea…

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## [Extracting data from a TTN payload for insertion into MariadB](https://discourse.nodered.org/t/extracting-data-from-a-ttn-payload-for-insertion-into-mariadb/51381)

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**Author:** [@moonlight](https://discourse.nodered.org/u/moonlight)\
**Replies:** 11\
**Last updated:** [23 September 2021 12:08 UTC](https://discourse.nodered.org/t/extracting-data-from-a-ttn-payload-for-insertion-into-mariadb/51381 "2021-09-23T12:08:49Z")

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Gooday, I have a SenseCAP LoRa barometer connected to The Things Network and trying to extract the payload delivered by a MQTT node. The payload(one big object) is as follows: 22/09/2021, 19:29:38\[node: c820ff3f.fc1bf\](…

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## [Response header 'success'](https://discourse.nodered.org/t/response-header-success/51434)

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**Author:** [@ketpa](https://discourse.nodered.org/u/ketpa)\
**Replies:** 2\
**Last updated:** [23 September 2021 11:38 UTC](https://discourse.nodered.org/t/response-header-success/51434 "2021-09-23T11:38:16Z")

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I have that situation Node-red is a Server, and I have to create response with header I created \[{"id":"d44b102d.310108","type":"http in","z":"15ff44a1.77852b","name":"","url":"/czujnik","method":"post","upload":fal…

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## [FTP Image Download Issue](https://discourse.nodered.org/t/ftp-image-download-issue/51427)

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**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 5\
**Last updated:** [23 September 2021 11:18 UTC](https://discourse.nodered.org/t/ftp-image-download-issue/51427 "2021-09-23T11:18:02Z")

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Hello Folks, Currently working on a project that involves downloading a jpeg file from FTP server. I have set up and connected the server properly. I am now stuck trying to download the jpegs. When using the GET operat…

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## [Insert a space or comma in the middle of a 4-digit number](https://discourse.nodered.org/t/insert-a-space-or-comma-in-the-middle-of-a-4-digit-number/51245)

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**Author:** [@Learn](https://discourse.nodered.org/u/Learn)\
**Replies:** 10\
**Last updated:** [23 September 2021 10:56 UTC](https://discourse.nodered.org/t/insert-a-space-or-comma-in-the-middle-of-a-4-digit-number/51245 "2021-09-23T10:56:07Z")

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Hi guys I have on a Tasmota device a Tuyasend command which from 1605 to 1660. I need to separate the 16 from the other 2 values (temperature) with a space or a comma. Is there a simple command or function node to make …

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## [My whishlist of features for version 2.1](https://discourse.nodered.org/t/my-whishlist-of-features-for-version-2-1/51425)

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**Author:** [@madwill](https://discourse.nodered.org/u/madwill)\
**Replies:** 2\
**Last updated:** [23 September 2021 10:39 UTC](https://discourse.nodered.org/t/my-whishlist-of-features-for-version-2-1/51425 "2021-09-23T10:39:42Z")

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Hello there, I had been using NodeRed for over one year in our company, a small urban farm. It allow us to drive watering, lightening, ventilation (and many others features) for our growing units. All above features ar…

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## [Deconz: triggering the pairing mode?](https://discourse.nodered.org/t/deconz-triggering-the-pairing-mode/51433)

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**Author:** [@slurpey](https://discourse.nodered.org/u/slurpey)\
**Replies:** 0\
**Last updated:** [23 September 2021 10:21 UTC](https://discourse.nodered.org/t/deconz-triggering-the-pairing-mode/51433 "2021-09-23T10:21:34Z")

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Hi, would anyone have an idea on how to trigger the pairing mode (lights, sensors, switches) from Deconz within an action in node-red?

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## [Displaying pictures via template node](https://discourse.nodered.org/t/displaying-pictures-via-template-node/50999)

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**Author:** [@nerevar](https://discourse.nodered.org/u/nerevar)\
**Replies:** 3\
**Last updated:** [23 September 2021 10:20 UTC](https://discourse.nodered.org/t/displaying-pictures-via-template-node/50999 "2021-09-23T10:20:36Z")

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Hello, I'm having problems in displaying pictures on node-red dashboard. I'm using template node to display an image from hosting service. Image is an PNG converted from PDF, resolution is full HD (in width) without ba…

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## [Unexpected Join-node behaviour: Join got triggered N times by N message parts](https://discourse.nodered.org/t/unexpected-join-node-behaviour-join-got-triggered-n-times-by-n-message-parts/51415)

<div class="topic-metadata">

**Author:** [@kakyoism](https://discourse.nodered.org/u/kakyoism)\
**Replies:** 9\
**Last updated:** [23 September 2021 10:00 UTC](https://discourse.nodered.org/t/unexpected-join-node-behaviour-join-got-triggered-n-times-by-n-message-parts/51415 "2021-09-23T10:00:41Z")

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I'm working on joining multiple inputs into a single trigger message. However, I noticed that the Join node gets triggered N times by the N message parts. Please see my test flow below The Inject is configured this …

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## [Open node red dashboard on startup raspberry](https://discourse.nodered.org/t/open-node-red-dashboard-on-startup-raspberry/51416)

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**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 2\
**Last updated:** [23 September 2021 08:21 UTC](https://discourse.nodered.org/t/open-node-red-dashboard-on-startup-raspberry/51416 "2021-09-23T08:21:46Z")

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Hi all I'm programming a dashboard in node red in raspberryand I would like to open it on touch screen at startup. In particular I don't want users see the node red code. For these reason I would add a password too to ac…

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## [How to use node-red Group in version 0.28 old version](https://discourse.nodered.org/t/how-to-use-node-red-group-in-version-0-28-old-version/50997)

<div class="topic-metadata">

**Author:** [@limengsong](https://discourse.nodered.org/u/limengsong)\
**Replies:** 2\
**Last updated:** [23 September 2021 04:45 UTC](https://discourse.nodered.org/t/how-to-use-node-red-group-in-version-0-28-old-version/50997 "2021-09-23T04:45:11Z")

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how to use node-red Group in version 0.28 old version

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## [Custom headers in email node](https://discourse.nodered.org/t/custom-headers-in-email-node/51410)

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**Author:** [@JDN](https://discourse.nodered.org/u/JDN)\
**Replies:** 1\
**Last updated:** [22 September 2021 22:09 UTC](https://discourse.nodered.org/t/custom-headers-in-email-node/51410 "2021-09-22T22:09:33Z")

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is there a way to add custom header entries to the email output?

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## [How to organize the function node? IBM Watson](https://discourse.nodered.org/t/how-to-organize-the-function-node-ibm-watson/51401)

<div class="topic-metadata">

**Author:** [@\_iJunior](https://discourse.nodered.org/u/_iJunior)\
**Replies:** 6\
**Last updated:** [22 September 2021 21:51 UTC](https://discourse.nodered.org/t/how-to-organize-the-function-node-ibm-watson/51401 "2021-09-22T21:51:40Z")

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Hello friends! I'm currently doing a project sending data from Watson IBM IoT to Cloudant through Node-Red, however, the data arrives in the database all separately, like in the photo. I would like to know how I can …

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## [How to have different properties of sensors under each sensor id in mqqt message in node red](https://discourse.nodered.org/t/how-to-have-different-properties-of-sensors-under-each-sensor-id-in-mqqt-message-in-node-red/51408)

<div class="topic-metadata">

**Author:** [@Energycharges](https://discourse.nodered.org/u/Energycharges)\
**Replies:** 2\
**Last updated:** [22 September 2021 21:09 UTC](https://discourse.nodered.org/t/how-to-have-different-properties-of-sensors-under-each-sensor-id-in-mqqt-message-in-node-red/51408 "2021-09-22T21:09:15Z")

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how to re- arrange the details of each sensor under its sensor\_id in a function node (as given below) after a buffer parser to send it to a mqqt broker. { "Time": "2021-09-14T08:08:07.434Z", "Location\_id" = 1 { …

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## [Separate Two MQTT Temperature Payloads?](https://discourse.nodered.org/t/separate-two-mqtt-temperature-payloads/51398)

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**Author:** [@Choder](https://discourse.nodered.org/u/Choder)\
**Replies:** 6\
**Last updated:** [22 September 2021 20:00 UTC](https://discourse.nodered.org/t/separate-two-mqtt-temperature-payloads/51398 "2021-09-22T20:00:08Z")

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How do I separate these two MQTT temp payloads so that I can work with them. I have tried using a function node but, I'm really lost. I have a nodemcu running tasmota with two DS18B20 sensors attached and returning 2 s…

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## [Email notification on new YouTube uploads](https://discourse.nodered.org/t/email-notification-on-new-youtube-uploads/51070)

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**Author:** [@H2SO4JB](https://discourse.nodered.org/u/H2SO4JB)\
**Replies:** 27\
**Last updated:** [22 September 2021 18:49 UTC](https://discourse.nodered.org/t/email-notification-on-new-youtube-uploads/51070 "2021-09-22T18:49:35Z")

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Hello everyone, I have a question regarding a task that I want Node-RED to help me with. I'm a beginner and know basically nothing about this. Maybe it's very simple, I don't know. I want to receive an email every time…

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## [Restart Node Red if no data received from NCD modem](https://discourse.nodered.org/t/restart-node-red-if-no-data-received-from-ncd-modem/51111)

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**Author:** [@jeffh](https://discourse.nodered.org/u/jeffh)\
**Replies:** 8\
**Last updated:** [22 September 2021 16:40 UTC](https://discourse.nodered.org/t/restart-node-red-if-no-data-received-from-ncd-modem/51111 "2021-09-22T16:40:46Z")

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Hello, I am using Node-Red with a network of NCD sensors which communicate with a NCD Wireless to Ethernet modem. All works well except when our plant experiences a power outage. Node-Red is on a virtual machine and re…

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## [Parsing JSON and Return Last Value](https://discourse.nodered.org/t/parsing-json-and-return-last-value/51367)

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**Author:** [@dandspach](https://discourse.nodered.org/u/dandspach)\
**Replies:** 4\
**Last updated:** [22 September 2021 14:57 UTC](https://discourse.nodered.org/t/parsing-json-and-return-last-value/51367 "2021-09-22T14:57:24Z")

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I'm brand new to Node Red, please be patient with my question. I've seached forums, watched Youtube and tried my best to answer this for myself, but I still can't make it happen...so here's my issues. I want to get the…

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## [Can the JOIN node be with 'reduce sequence' on strings (YES)...and should it?(Maybe...)](https://discourse.nodered.org/t/can-the-join-node-be-with-reduce-sequence-on-strings-yes-and-should-it-maybe/51328)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 14\
**Last updated:** [22 September 2021 14:43 UTC](https://discourse.nodered.org/t/can-the-join-node-be-with-reduce-sequence-on-strings-yes-and-should-it-maybe/51328 "2021-09-22T14:43:07Z")

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Node-RED version: v2.0.5 Node.js version: v14.16.0 macOS Big Sur v11.6 I have a file I split on '\\n's and then want to remove all lines that start with a # and join the remaining lines. Normally I split the files and…

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## [Run time in minutes - with Datetime (only minutes) input box from Home Assistant](https://discourse.nodered.org/t/run-time-in-minutes-with-datetime-only-minutes-input-box-from-home-assistant/51380)

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**Author:** [@d\_tech](https://discourse.nodered.org/u/d_tech)\
**Replies:** 0\
**Last updated:** [22 September 2021 11:10 UTC](https://discourse.nodered.org/t/run-time-in-minutes-with-datetime-only-minutes-input-box-from-home-assistant/51380 "2021-09-22T11:10:28Z")

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Hi, Im looking for a way to input time (eg a number of minutes) into a sequence to turn off a relay after the set amount of time. I want to be able to set this time from home assistant dashboard so it is variable. I ha…

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## [Node red keeps on auto restarting](https://discourse.nodered.org/t/node-red-keeps-on-auto-restarting/51390)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 2\
**Last updated:** [22 September 2021 12:30 UTC](https://discourse.nodered.org/t/node-red-keeps-on-auto-restarting/51390 "2021-09-22T12:30:42Z")

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hello I have a systemd service which keeps on restarting automatically every 40 seconds for some reason My systemd service file is as follows: \[Unit\] Description=Node-RED is a tool for wiring together hardware devices…

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## [File transfers with MQTT](https://discourse.nodered.org/t/file-transfers-with-mqtt/51389)

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**Author:** [@Sangoma8](https://discourse.nodered.org/u/Sangoma8)\
**Replies:** 1\
**Last updated:** [22 September 2021 12:27 UTC](https://discourse.nodered.org/t/file-transfers-with-mqtt/51389 "2021-09-22T12:27:39Z")

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I am trying to create an application that monitors a directory on a machine for a file or a set of files (say up to 1Mb size .json files) in the directory (i.e. directory contents) and transmits (publishes) these files…

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## [KNX + Hue (RGB to HSV) Beginner](https://discourse.nodered.org/t/knx-hue-rgb-to-hsv-beginner/51340)

<div class="topic-metadata">

**Author:** [@overfl0w](https://discourse.nodered.org/u/overfl0w)\
**Replies:** 6\
**Last updated:** [22 September 2021 11:31 UTC](https://discourse.nodered.org/t/knx-hue-rgb-to-hsv-beginner/51340 "2021-09-22T11:31:23Z")

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Hello all, I'm a complete NodeRed newbie and I'm facing a problem that I can't get solved on my own. I have a KNX installation in my house and use switches from MDT. These have a color display and you can pass HSV valu…

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## [UIbuilder VueX and VueRouter](https://discourse.nodered.org/t/uibuilder-vuex-and-vuerouter/51269)

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**Author:** [@joinke](https://discourse.nodered.org/u/joinke)\
**Replies:** 10\
**Last updated:** [22 September 2021 11:27 UTC](https://discourse.nodered.org/t/uibuilder-vuex-and-vuerouter/51269 "2021-09-22T11:27:58Z")

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To (amateurs) whom it may concern, some concepts of Vue(X) and VueRouter which kept me busy using the UIBuilder node , and just to add my fun experience : Passing parameters with Vue between components and/or routes. I…

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## [Creating an iioT app using Node-red + VueJs](https://discourse.nodered.org/t/creating-an-iiot-app-using-node-red-vuejs/51300)

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**Author:** [@kikocosta22](https://discourse.nodered.org/u/kikocosta22)\
**Replies:** 4\
**Last updated:** [22 September 2021 07:51 UTC](https://discourse.nodered.org/t/creating-an-iiot-app-using-node-red-vuejs/51300 "2021-09-22T07:51:43Z")

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Hello everyone. First of all, I am recently learning software development skills, so don't embarass me :slight\_smile: I am developing a dashboard to manage and monitorize an industrial large process. I would like to re…

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## [Inject: Interval stops working around evening](https://discourse.nodered.org/t/inject-interval-stops-working-around-evening/51091)

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**Author:** [@Lpkuba088](https://discourse.nodered.org/u/Lpkuba088)\
**Replies:** 5\
**Last updated:** [22 September 2021 06:26 UTC](https://discourse.nodered.org/t/inject-interval-stops-working-around-evening/51091 "2021-09-22T06:26:30Z")

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Hello, i tried making my own datalogger (for solar) in node red. However i ran into an issue where the inject node works fine but around 7-8pm it starts making gaps bigger and bigger every time resulting in it stopping c…

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## [Send print dialog to msg.payload by any method](https://discourse.nodered.org/t/send-print-dialog-to-msg-payload-by-any-method/51305)

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**Author:** [@TailzPhyre](https://discourse.nodered.org/u/TailzPhyre)\
**Replies:** 8\
**Last updated:** [22 September 2021 05:31 UTC](https://discourse.nodered.org/t/send-print-dialog-to-msg-payload-by-any-method/51305 "2021-09-22T05:31:54Z")

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Hello! I'm trying to send data from a "printer" so that I can display that data as text on a video overlay. It has to be done using methods accessible from Printers in Windows as the software only has access to that. …

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## [Electron NodeRed Distribution](https://discourse.nodered.org/t/electron-nodered-distribution/51372)

<div class="topic-metadata">

**Author:** [@geoffatblacktusk](https://discourse.nodered.org/u/geoffatblacktusk)\
**Replies:** 0\
**Last updated:** [22 September 2021 04:37 UTC](https://discourse.nodered.org/t/electron-nodered-distribution/51372 "2021-09-22T04:37:22Z")

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We have been using the excellent electron-node-red package builder by dceejay for a couple of years now, and have deployed a number of systems using this environment. Up until now we have been deploying the executable m…

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