# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=762

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

**Page:** 763

---

## [Node-RED 1.0.5: Functions with multiple outputs](https://discourse.nodered.org/t/node-red-1-0-5-functions-with-multiple-outputs/25196)

<div class="topic-metadata">

**Author:** [@rei\_vilo](https://discourse.nodered.org/u/rei_vilo)\
**Replies:** 3\
**Last updated:** [20 April 2020 14:37 UTC](https://discourse.nodered.org/t/node-red-1-0-5-functions-with-multiple-outputs/25196 "2020-04-20T14:37:40Z")

</div>

I'm trying to use the Multiple Outputs example from the Writing Functions user guide. With the suggested example, the function keeps one single output. var newMsg = { payload: msg.payload.toString().length }; return \[m…

---

## [Read data form two tables at the same time](https://discourse.nodered.org/t/read-data-form-two-tables-at-the-same-time/25186)

<div class="topic-metadata">

**Author:** [@Ahd](https://discourse.nodered.org/u/Ahd)\
**Replies:** 6\
**Last updated:** [20 April 2020 14:02 UTC](https://discourse.nodered.org/t/read-data-form-two-tables-at-the-same-time/25186 "2020-04-20T14:02:50Z")

</div>

Hi ALL, I am wondering if it is possible to make an " inner join" between two tables in the function node. For example, I have two tables and I want to display the data from both tables at a certain condition( if id=id)…

---

## [Filtering array Smappee](https://discourse.nodered.org/t/filtering-array-smappee/25175)

<div class="topic-metadata">

**Author:** [@WillemEco](https://discourse.nodered.org/u/WillemEco)\
**Replies:** 1\
**Last updated:** [20 April 2020 08:35 UTC](https://discourse.nodered.org/t/filtering-array-smappee/25175 "2020-04-20T08:35:13Z")

</div>

How can I filter an array with a Smappee payload? in the picture below you will find the payload, I try to visualize the blue part on the Node-RED dashboard. Somebody can help me? Best regards, Willem

---

## [Pushing data to Azure](https://discourse.nodered.org/t/pushing-data-to-azure/25173)

<div class="topic-metadata">

**Author:** [@xeon](https://discourse.nodered.org/u/xeon)\
**Replies:** 1\
**Last updated:** [20 April 2020 08:08 UTC](https://discourse.nodered.org/t/pushing-data-to-azure/25173 "2020-04-20T08:08:14Z")

</div>

Hello everyone. I'm trying to upload dummy data(ideally a stream of live data) to the cloud, Azure. However, there is an error as shown. I'm following exact instruction as mentioned here (https://flows.nodered.org/node/@…

---

## [Website Parsing/ Scraping with HTTP request](https://discourse.nodered.org/t/website-parsing-scraping-with-http-request/25117)

<div class="topic-metadata">

**Author:** [@MarkAmbrose](https://discourse.nodered.org/u/MarkAmbrose)\
**Replies:** 9\
**Last updated:** [20 April 2020 07:30 UTC](https://discourse.nodered.org/t/website-parsing-scraping-with-http-request/25117 "2020-04-20T07:30:07Z")

</div>

Hi All , hope everyone is safe first post here , hopefully I can follow the forum procedures . I started using Node Red during lockdown and absolutely love it . I am trying to webscrape/Parse a website . I am battling …

---

## [Test ultrasonic sensor](https://discourse.nodered.org/t/test-ultrasonic-sensor/24645)

<div class="topic-metadata">

**Author:** [@budiman098](https://discourse.nodered.org/u/budiman098)\
**Replies:** 11\
**Last updated:** [20 April 2020 06:47 UTC](https://discourse.nodered.org/t/test-ultrasonic-sensor/24645 "2020-04-20T06:47:36Z")

</div>

Hy all, can you help me to doing tutorial about ultrasonic sensor? Maybe you have something to try, please share. Thank you

---

## [Can't get Serial Out working on a Beaglebone Black](https://discourse.nodered.org/t/cant-get-serial-out-working-on-a-beaglebone-black/24720)

<div class="topic-metadata">

**Author:** [@brent](https://discourse.nodered.org/u/brent)\
**Replies:** 1\
**Last updated:** [20 April 2020 01:38 UTC](https://discourse.nodered.org/t/cant-get-serial-out-working-on-a-beaglebone-black/24720 "2020-04-20T01:38:30Z")

</div>

I'm trying to use node-red-node-serialport 0.10.1 and Node-Red 1.0.4 to send "hello world" to /dev/ttyS1 every 5 seconds, but nothing is wiggling yet. I have a short "hello world" script written in Python using the Cloud…

---

## [How to pass a data type to google sheet?](https://discourse.nodered.org/t/how-to-pass-a-data-type-to-google-sheet/25158)

<div class="topic-metadata">

**Author:** [@calcioscacchi](https://discourse.nodered.org/u/calcioscacchi)\
**Replies:** 2\
**Last updated:** [19 April 2020 21:54 UTC](https://discourse.nodered.org/t/how-to-pass-a-data-type-to-google-sheet/25158 "2020-04-19T21:54:08Z")

</div>

Hi there, i'm trying to pass a date to google sheet, and from there (using excel formulas MONTH and NUMWEEK) i want to extract the week and the month, due to create a weekly mean of the values. But, unfortunately seems…

---

## [Node-red:network-observe for container](https://discourse.nodered.org/t/node-red-network-observe-for-container/25157)

<div class="topic-metadata">

**Author:** [@ad-netafy](https://discourse.nodered.org/u/ad-netafy)\
**Replies:** 0\
**Last updated:** [19 April 2020 21:03 UTC](https://discourse.nodered.org/t/node-red-network-observe-for-container/25157 "2020-04-19T21:03:11Z")

</div>

Im having an issue where my Dashboard World Map resets its connection every 10-15 seconds. I After some research, someone who had this same issue in an earlier thread suggested needing to run "sudo snap connect node-red…

---

## [Auto deploy node-red so that changes will save every few minutes](https://discourse.nodered.org/t/auto-deploy-node-red-so-that-changes-will-save-every-few-minutes/25144)

<div class="topic-metadata">

**Author:** [@pagkly](https://discourse.nodered.org/u/pagkly)\
**Replies:** 1\
**Last updated:** [19 April 2020 18:15 UTC](https://discourse.nodered.org/t/auto-deploy-node-red-so-that-changes-will-save-every-few-minutes/25144 "2020-04-19T18:15:29Z")

</div>

Is there a way to auto-deploy changes every few minutes? There are times where the browser accidentally closed and I have to go back and fix my unsaved flow again.

---

## [Workspace nodes not properly configured](https://discourse.nodered.org/t/workspace-nodes-not-properly-configured/25141)

<div class="topic-metadata">

**Author:** [@shel](https://discourse.nodered.org/u/shel)\
**Replies:** 3\
**Last updated:** [19 April 2020 17:42 UTC](https://discourse.nodered.org/t/workspace-nodes-not-properly-configured/25141 "2020-04-19T17:42:06Z")

</div>

In trying to figure out how to use CSS I downloaded and installed numerous flows. After finally coming to grips with the code I went to delete all the extraneous stuff and now when I go to save I get this I have searc…

---

## [Can't connect with PostgreSQL Database (wrong username)](https://discourse.nodered.org/t/cant-connect-with-postgresql-database-wrong-username/18708)

<div class="topic-metadata">

**Author:** [@koenverschuren](https://discourse.nodered.org/u/koenverschuren)\
**Replies:** 6\
**Last updated:** [19 April 2020 16:19 UTC](https://discourse.nodered.org/t/cant-connect-with-postgresql-database-wrong-username/18708 "2020-04-19T16:19:31Z")

</div>

hi all, I have a question. When building op a connection up between a Things network node and a PostgreSQL database (with Postgrestor) I get a error. The error states: "error: password authentication failed for user "Ve…

---

## [Playing a .mp3 flie](https://discourse.nodered.org/t/playing-a-mp3-flie/18030)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 30\
**Last updated:** [19 April 2020 16:19 UTC](https://discourse.nodered.org/t/playing-a-mp3-flie/18030 "2020-04-19T16:19:10Z")

</div>

I've read a few posts about playing MP3 files and that browsers are blocking sounds. Taking that on, I decided to try another way but still to no avail. Ubuntu. NR 0.20.5 Putting aside the nodes to play sounds, I dec…

---

## [How to play a sound?](https://discourse.nodered.org/t/how-to-play-a-sound/14509)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 24\
**Last updated:** [19 April 2020 15:46 UTC](https://discourse.nodered.org/t/how-to-play-a-sound/14509 "2020-04-19T15:46:43Z")

</div>

I am wanting to play a sound (MP3) on a ubuntu machine. I have got 3 nodes but can't get any of them to work. Say the file is called "sound.mp3". It can be where ever you want. How would I got it to play when I send…

---

## [Trigger Node RED flows from javascript](https://discourse.nodered.org/t/trigger-node-red-flows-from-javascript/25130)

<div class="topic-metadata">

**Author:** [@anilkamaraju](https://discourse.nodered.org/u/anilkamaraju)\
**Replies:** 2\
**Last updated:** [19 April 2020 15:44 UTC](https://discourse.nodered.org/t/trigger-node-red-flows-from-javascript/25130 "2020-04-19T15:44:52Z")

</div>

I need to develop a few Node-RED flows, but don't want to expose the flow diagrams on UI to the users rather I need to trigger the created flows using any kind of language like Javascript/Node JS/ Java. Please let me kn…

---

## [Calculate hourly consumption](https://discourse.nodered.org/t/calculate-hourly-consumption/25035)

<div class="topic-metadata">

**Author:** [@Mrfox](https://discourse.nodered.org/u/Mrfox)\
**Replies:** 17\
**Last updated:** [19 April 2020 15:26 UTC](https://discourse.nodered.org/t/calculate-hourly-consumption/25035 "2020-04-19T15:26:37Z")

</div>

Hi, I am using Influxdb together with Node Red and Grafana for presentation of power consumption. Works fine. Now I want to take the next step and present the energy consumption. Via Node Red I get continous readings fro…

---

## [Express an html document in a node-red ui window](https://discourse.nodered.org/t/express-an-html-document-in-a-node-red-ui-window/25118)

<div class="topic-metadata">

**Author:** [@newsky40](https://discourse.nodered.org/u/newsky40)\
**Replies:** 1\
**Last updated:** [19 April 2020 09:22 UTC](https://discourse.nodered.org/t/express-an-html-document-in-a-node-red-ui-window/25118 "2020-04-19T09:22:23Z")

</div>

I want to create a small window inside a node-red ui window to represent the html document. For example, how can I open a google page inside a node-red ui window without opening another window? Thank you.

---

## [Need help with restart](https://discourse.nodered.org/t/need-help-with-restart/25060)

<div class="topic-metadata">

**Author:** [@Jacopos94](https://discourse.nodered.org/u/Jacopos94)\
**Replies:** 7\
**Last updated:** [19 April 2020 08:57 UTC](https://discourse.nodered.org/t/need-help-with-restart/25060 "2020-04-19T08:57:27Z")

</div>

hi, i recently started using nodered to automate the transitions from different harmony scenes when turning on different inputs for my tv ( ex if i ask alexa to turn off the pc it runs a mqtt command to send a shutdown t…

---

## [Node red google home integration](https://discourse.nodered.org/t/node-red-google-home-integration/25104)

<div class="topic-metadata">

**Author:** [@Auto101](https://discourse.nodered.org/u/Auto101)\
**Replies:** 2\
**Last updated:** [19 April 2020 01:19 UTC](https://discourse.nodered.org/t/node-red-google-home-integration/25104 "2020-04-19T01:19:32Z")

</div>

Hi , I 'm using nora for the google home integration for the flows in node red . Every time I deploy any new flow , I keep getting this message . Anyone know how we can get more details on this . msg : string\[49\] "no…

---

## [Asynchronouse mode message send command?](https://discourse.nodered.org/t/asynchronouse-mode-message-send-command/25101)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [18 April 2020 23:25 UTC](https://discourse.nodered.org/t/asynchronouse-mode-message-send-command/25101 "2020-04-18T23:25:56Z")

</div>

Sorry, but CRAFT has set in. What is the command to asynchronously send a message? node.push? (No I tried that) node.send? (I think I tried that.) Someone - please.

---

## [Animation on lcd\\oled](https://discourse.nodered.org/t/animation-on-lcd-oled/25100)

<div class="topic-metadata">

**Author:** [@lucanatali](https://discourse.nodered.org/u/lucanatali)\
**Replies:** 0\
**Last updated:** [18 April 2020 22:43 UTC](https://discourse.nodered.org/t/animation-on-lcd-oled/25100 "2020-04-18T22:43:19Z")

</div>

I am new to the forum and I have just been studying the software. I would like to run animations on an lcd \\ oled screen using raspberry with arduino and of course node-red. Can anyone help me?

---

## [Yes, I know, CSS has been beaten to death, but still can't make it work](https://discourse.nodered.org/t/yes-i-know-css-has-been-beaten-to-death-but-still-cant-make-it-work/25094)

<div class="topic-metadata">

**Author:** [@shel](https://discourse.nodered.org/u/shel)\
**Replies:** 1\
**Last updated:** [18 April 2020 22:30 UTC](https://discourse.nodered.org/t/yes-i-know-css-has-been-beaten-to-death-but-still-cant-make-it-work/25094 "2020-04-18T22:30:26Z")

</div>

Looked through the forum, went to school at W3 but I can't quite connect the dots. Played for several days and I know there is a style sheet issue but I'm not sure where it goes. Imported all sorts of examples, looked at…

---

## [Validating Driveway Sensors](https://discourse.nodered.org/t/validating-driveway-sensors/24989)

<div class="topic-metadata">

**Author:** [@Randy](https://discourse.nodered.org/u/Randy)\
**Replies:** 4\
**Last updated:** [18 April 2020 22:26 UTC](https://discourse.nodered.org/t/validating-driveway-sensors/24989 "2020-04-18T22:26:02Z")

</div>

I have two staggered IR photobeams across my driveway to detect vehicle direction. This allows lights to turn on when coming home and turn off when leaving. It works great but currently only requires one beam to be broke…

---

## [Can not debug locally](https://discourse.nodered.org/t/can-not-debug-locally/25088)

<div class="topic-metadata">

**Author:** [@Lavhe](https://discourse.nodered.org/u/Lavhe)\
**Replies:** 1\
**Last updated:** [18 April 2020 19:29 UTC](https://discourse.nodered.org/t/can-not-debug-locally/25088 "2020-04-18T19:29:01Z")

</div>

Guys i cloned the repo and it runs fine using grunt dev and i can visit it on localhost:1880 , but when i make any type of changes they dont apply, i cleared my caches and localStorage, i even deleted all content in node…

---

## [Flows lost ; where are they gone?](https://discourse.nodered.org/t/flows-lost-where-are-they-gone/15010)

<div class="topic-metadata">

**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 7\
**Last updated:** [2 September 2019 19:07 UTC](https://discourse.nodered.org/t/flows-lost-where-are-they-gone/15010 "2019-09-02T19:07:03Z")

</div>

hello I was working with nodered for some month, and suddenly, my flows have disappeared. It seems that one node or one flow makes node-red crash. I can see it when i run node-red manually. Ok, I can understand this,…

---

## [Installing sense-hat palette fails on Windows 10](https://discourse.nodered.org/t/installing-sense-hat-palette-fails-on-windows-10/25055)

<div class="topic-metadata">

**Author:** [@MoJeeza](https://discourse.nodered.org/u/MoJeeza)\
**Replies:** 2\
**Last updated:** [18 April 2020 17:02 UTC](https://discourse.nodered.org/t/installing-sense-hat-palette-fails-on-windows-10/25055 "2020-04-18T17:02:11Z")

</div>

Installing this palette failed on Windows-10 but worked perfectly on Raspbian-Buster on Raspberry Pi 3b any idea what may the problem be? node-red-node-pi-sense-hat A Node-RED node to interact with a Raspberry Pi Sens…

---

## [Sinage software that works with node-red](https://discourse.nodered.org/t/sinage-software-that-works-with-node-red/25059)

<div class="topic-metadata">

**Author:** [@mshaz](https://discourse.nodered.org/u/mshaz)\
**Replies:** 3\
**Last updated:** [18 April 2020 16:12 UTC](https://discourse.nodered.org/t/sinage-software-that-works-with-node-red/25059 "2020-04-18T16:12:55Z")

</div>

Hi, Anyone used any Sinage software that works with node-red? Basically I want to trigger certain screen when sensor triggers. I googled and can't really find any. Thank you.

---

## [Restoring Commit from Remote](https://discourse.nodered.org/t/restoring-commit-from-remote/25079)

<div class="topic-metadata">

**Author:** [@ad-netafy](https://discourse.nodered.org/u/ad-netafy)\
**Replies:** 2\
**Last updated:** [18 April 2020 14:59 UTC](https://discourse.nodered.org/t/restoring-commit-from-remote/25079 "2020-04-18T14:59:58Z")

</div>

Hey everyone, I have Node-RED projects set up and I am committing my work to my GirHub repositories. I feel like I may be missing something- How can I restore a previous commit from my remote repository? Should be able…

---

## [Several key/values in the smooth node](https://discourse.nodered.org/t/several-key-values-in-the-smooth-node/25077)

<div class="topic-metadata">

**Author:** [@tobiasselin](https://discourse.nodered.org/u/tobiasselin)\
**Replies:** 0\
**Last updated:** [18 April 2020 14:36 UTC](https://discourse.nodered.org/t/several-key-values-in-the-smooth-node/25077 "2020-04-18T14:36:31Z")

</div>

If I send a number of messages with payload e.g {a:x, b:y} through a smooth node and let it pick max or min of a, is it possible to include the related b value in the message that is sent out? I can only get the b value …

---

## [Problems with heater relay control](https://discourse.nodered.org/t/problems-with-heater-relay-control/25047)

<div class="topic-metadata">

**Author:** [@deanfourie](https://discourse.nodered.org/u/deanfourie)\
**Replies:** 2\
**Last updated:** [18 April 2020 13:11 UTC](https://discourse.nodered.org/t/problems-with-heater-relay-control/25047 "2020-04-18T13:11:47Z")

</div>

Hey guys! New to node-red and im trying a new project using heater-control plugin. I am trying to trigger my relay using the output topic currentHeaterStatus to a RPI GPIO pin with relay attached. My flow is attached be…

[Previous page](https://discourse.nodered.org/c/general/7.md?page=761)

[Next page](https://discourse.nodered.org/c/general/7.md?page=763)