# Latest

**URL:** https://discourse.nodered.org/latest.md?page=501

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

**Page:** 502

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## [Outdoor IoT Hardware](https://discourse.nodered.org/t/outdoor-iot-hardware/67579)

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**Author:** [@RoganFPS](https://discourse.nodered.org/u/RoganFPS)\
**Replies:** 3\
**Last updated:** [12 September 2022 07:58 UTC](https://discourse.nodered.org/t/outdoor-iot-hardware/67579 "2022-09-12T07:58:25Z")

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I'm wondering if anyone could help me/point me in the right direction. I'm wanting to dip my toe in to some IoT hardware. I want to build something I can stick in my garden on a field that can attach things like soil moi…

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## [access my dashboard remotely](https://discourse.nodered.org/t/access-my-dashboard-remotely/67459)

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**Author:** [@alexandre162](https://discourse.nodered.org/u/alexandre162)\
**Replies:** 3\
**Last updated:** [12 September 2022 03:37 UTC](https://discourse.nodered.org/t/access-my-dashboard-remotely/67459 "2022-09-12T03:37:03Z")

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I wanted to know if it is possible to access a dashboard that I created from another spc on another network via ethernet, or via cell phone

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## [Dashboard - line graph - show datapoints from database](https://discourse.nodered.org/t/dashboard-line-graph-show-datapoints-from-database/67537)

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**Author:** [@RMB](https://discourse.nodered.org/u/RMB)\
**Replies:** 15\
**Last updated:** [11 September 2022 23:55 UTC](https://discourse.nodered.org/t/dashboard-line-graph-show-datapoints-from-database/67537 "2022-09-11T23:55:36Z")

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Hi there, for several days I've now been trying, reading, trying again (repeat ...) to create a line graph on the dashboard, with data from a database. But I just can't get it running, the way I'd like to have it. So …

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## [Example flow for control a motor](https://discourse.nodered.org/t/example-flow-for-control-a-motor/67324)

<div class="topic-metadata">

**Author:** [@iiot2k](https://discourse.nodered.org/u/iiot2k)\
**Replies:** 31\
**Last updated:** [11 September 2022 22:57 UTC](https://discourse.nodered.org/t/example-flow-for-control-a-motor/67324 "2022-09-11T22:57:27Z")

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Hi guys, I've started writing a guide to automating with Node-Red. In the guide I want to show what options there are, for solve an automation problem. This is the task: A motor is started with one push-button and s…

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## [Where to define class to use in multiple nodes](https://discourse.nodered.org/t/where-to-define-class-to-use-in-multiple-nodes/15808)

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**Author:** [@undef](https://discourse.nodered.org/u/undef)\
**Replies:** 11\
**Last updated:** [11 September 2022 21:46 UTC](https://discourse.nodered.org/t/where-to-define-class-to-use-in-multiple-nodes/15808 "2022-09-11T21:46:30Z")

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Hi, I'm using node-red for some time now and just started to create custom nodes. Because of good documentation I was able to get pretty far up till now. I created 3 custom nodes so far. These are passing json objects…

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## [Core Inject Node With Cronjo Package](https://discourse.nodered.org/t/core-inject-node-with-cronjo-package/67584)

<div class="topic-metadata">

**Author:** [@buglss](https://discourse.nodered.org/u/buglss)\
**Replies:** 0\
**Last updated:** [11 September 2022 20:52 UTC](https://discourse.nodered.org/t/core-inject-node-with-cronjo-package/67584 "2022-09-11T20:52:51Z")

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Hi everyone. I mentioned the cronti package earlier. Now I'm going a little further. I came across the cronjo package. Cronjo Summary: Lets you create scheduled jobs. Unlike other packages, it uses the power of the cron…

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## [How to use node-red-contrib-smb get file?](https://discourse.nodered.org/t/how-to-use-node-red-contrib-smb-get-file/8624)

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**Author:** [@GordonSu](https://discourse.nodered.org/u/GordonSu)\
**Replies:** 17\
**Last updated:** [11 September 2022 18:17 UTC](https://discourse.nodered.org/t/how-to-use-node-red-contrib-smb-get-file/8624 "2022-09-11T18:17:40Z")

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I don't know how to use node-red-contrib-smb to get file，pls help me....:tired\_face:

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## [Finding the best energy price with API call](https://discourse.nodered.org/t/finding-the-best-energy-price-with-api-call/67070)

<div class="topic-metadata">

**Author:** [@Kimovitzh](https://discourse.nodered.org/u/Kimovitzh)\
**Replies:** 13\
**Last updated:** [11 September 2022 15:50 UTC](https://discourse.nodered.org/t/finding-the-best-energy-price-with-api-call/67070 "2022-09-11T15:50:10Z")

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With the current energy prices I want to see when it's most favorable to do energy heavy stuff. Here in Denmark we can make API call to a data hub to see energy prices at an hourly rate for current day and for the next …

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## [Npm install issues?](https://discourse.nodered.org/t/npm-install-issues/67561)

<div class="topic-metadata">

**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 8\
**Last updated:** [11 September 2022 14:37 UTC](https://discourse.nodered.org/t/npm-install-issues/67561 "2022-09-11T14:37:47Z")

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Trying to move node red to a new rpi. Installed node red and tested OK copied over flows package,json etc and ran npm install to insall missing nodes but no luck any ideas please ? pi@pi-server:~/.node-red $ npm instal…

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## [Turn on and off a led with a button and a delay](https://discourse.nodered.org/t/turn-on-and-off-a-led-with-a-button-and-a-delay/67574)

<div class="topic-metadata">

**Author:** [@Aymane](https://discourse.nodered.org/u/Aymane)\
**Replies:** 2\
**Last updated:** [11 September 2022 14:03 UTC](https://discourse.nodered.org/t/turn-on-and-off-a-led-with-a-button-and-a-delay/67574 "2022-09-11T14:03:14Z")

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Hello guys, I'm a newbie who's trying to turn on a led in UI using a button and then the led should turn off automatically using a delay node of 15 secs. I have tried the node in the picture attached as a personal effor…

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## [Logging data in to MSSQL](https://discourse.nodered.org/t/logging-data-in-to-mssql/67539)

<div class="topic-metadata">

**Author:** [@joey\_ind](https://discourse.nodered.org/u/joey_ind)\
**Replies:** 13\
**Last updated:** [11 September 2022 13:18 UTC](https://discourse.nodered.org/t/logging-data-in-to-mssql/67539 "2022-09-11T13:18:02Z")

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Hi , I am facing issues in logging data (inserting) data in to mssql server.I am posting my flow..can someone please help me find issue.. \[ { "id": "196afc4293e110c7", "type": "function", "z…

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## [Problems with the dashboard after upgrade to 3.0.2 (node-red-contrib-ui-mp4frag)](https://discourse.nodered.org/t/problems-with-the-dashboard-after-upgrade-to-3-0-2-node-red-contrib-ui-mp4frag/67349)

<div class="topic-metadata">

**Author:** [@Bond246](https://discourse.nodered.org/u/Bond246)\
**Replies:** 5\
**Last updated:** [11 September 2022 12:07 UTC](https://discourse.nodered.org/t/problems-with-the-dashboard-after-upgrade-to-3-0-2-node-red-contrib-ui-mp4frag/67349 "2022-09-11T12:07:44Z")

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Hello everyone, i use the node-red-contrib-ui-mp4frag plugin from @kevinGodell for my dashboard to simply playback m3u8 livestreams. Cause it just does its job. Today i wanted to update my NodeRED from 2.2.2 to 3.0.2. …

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## [HTTP POST content too large?](https://discourse.nodered.org/t/http-post-content-too-large/67568)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 3\
**Last updated:** [11 September 2022 11:22 UTC](https://discourse.nodered.org/t/http-post-content-too-large/67568 "2022-09-11T11:22:22Z")

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I am trying out surrealDB (this is a fantastic NewSQL type of database project which supports live data streaming to websockets when tables change, among many other unique features like build-in rest/rpc/graphql, schemal…

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## [ECONNRESET - can't find the issue](https://discourse.nodered.org/t/econnreset-cant-find-the-issue/67515)

<div class="topic-metadata">

**Author:** [@mfassier](https://discourse.nodered.org/u/mfassier)\
**Replies:** 6\
**Last updated:** [11 September 2022 03:49 UTC](https://discourse.nodered.org/t/econnreset-cant-find-the-issue/67515 "2022-09-11T03:49:36Z")

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Hello. I understand this has been discussed a number of times, but existing posts don't seem to help. I am unable to get the http-request to work in a very straightforward setup: "fresh from yesterday" install (v16.16.…

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## [Flow not doing what I expected](https://discourse.nodered.org/t/flow-not-doing-what-i-expected/67565)

<div class="topic-metadata">

**Author:** [@Anto79-ops](https://discourse.nodered.org/u/Anto79-ops)\
**Replies:** 4\
**Last updated:** [11 September 2022 08:21 UTC](https://discourse.nodered.org/t/flow-not-doing-what-i-expected/67565 "2022-09-11T08:21:59Z")

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hey! have a flow that I want to warn us when the outdoor particulate matter (PM) values are above 32, and then when they are back to safe levels. However, it seems to be telling everytime the value is above 32. The repo…

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## [Add text to ui template based on javascrip function](https://discourse.nodered.org/t/add-text-to-ui-template-based-on-javascrip-function/67526)

<div class="topic-metadata">

**Author:** [@Mbessing](https://discourse.nodered.org/u/Mbessing)\
**Replies:** 8\
**Last updated:** [11 September 2022 00:25 UTC](https://discourse.nodered.org/t/add-text-to-ui-template-based-on-javascrip-function/67526 "2022-09-11T00:25:01Z")

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Hi there! Is there any way it is possible to modify the ui template based on a function node? For example: I right now have one button Is there any way I can create i.e. a number of buttons based on i.e. the length …

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## [Extract object value](https://discourse.nodered.org/t/extract-object-value/67530)

<div class="topic-metadata">

**Author:** [@DrS1981](https://discourse.nodered.org/u/DrS1981)\
**Replies:** 11\
**Last updated:** [10 September 2022 22:09 UTC](https://discourse.nodered.org/t/extract-object-value/67530 "2022-09-10T22:09:01Z")

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Hello, can me someone explain me how i can extract the value temperature from the following payload? I tried with a change node but it doesnt work. I can extract the value from the array meters, but not the temperature …

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## [Dynamic MQTT brokers in subflow](https://discourse.nodered.org/t/dynamic-mqtt-brokers-in-subflow/67563)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 2\
**Last updated:** [10 September 2022 21:16 UTC](https://discourse.nodered.org/t/dynamic-mqtt-brokers-in-subflow/67563 "2022-09-10T21:16:51Z")

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I am trying to build a subflow which has an MQTT In node in it, where the broker url is configured via subflow properties. I thought I would be able to achieve this by using Dynamic mode in the MQTT node, and set the br…

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## [Dynamic MQTT broker via url not working for me](https://discourse.nodered.org/t/dynamic-mqtt-broker-via-url-not-working-for-me/67555)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 2\
**Last updated:** [10 September 2022 19:58 UTC](https://discourse.nodered.org/t/dynamic-mqtt-broker-via-url-not-working-for-me/67555 "2022-09-10T19:58:21Z")

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I am experimenting with Dynamic MQTT configuration, and have a couple of problems. I will ask about them separately to avoid confusing threads. I can't get it to work using msg.broker.url to specify the broker. if I set…

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## [How to calculate time difference between two timestamps?](https://discourse.nodered.org/t/how-to-calculate-time-difference-between-two-timestamps/67550)

<div class="topic-metadata">

**Author:** [@network\_potato](https://discourse.nodered.org/u/network_potato)\
**Replies:** 7\
**Last updated:** [10 September 2022 18:50 UTC](https://discourse.nodered.org/t/how-to-calculate-time-difference-between-two-timestamps/67550 "2022-09-10T18:50:12Z")

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I have a timestamp: previousTime: "2022-09-10T08:40:00.000Z" I want to calculate the time elapsed since the timestamp. For example if the current time is currentTime: "2022-09-10T10:44:00.000Z" I want to output a st…

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## [Resent last correct value if actual value was incorrect](https://discourse.nodered.org/t/resent-last-correct-value-if-actual-value-was-incorrect/67558)

<div class="topic-metadata">

**Author:** [@bgdev2015](https://discourse.nodered.org/u/bgdev2015)\
**Replies:** 9\
**Last updated:** [10 September 2022 18:27 UTC](https://discourse.nodered.org/t/resent-last-correct-value-if-actual-value-was-incorrect/67558 "2022-09-10T18:27:05Z")

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Hey Node-Red-Users, as shown here iam filtering out wrong data, but is it possible to resent last correct value if the second filter blocks an wrong value?

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## [Pipe RTSP - Cam (live) video stream to YouTube?](https://discourse.nodered.org/t/pipe-rtsp-cam-live-video-stream-to-youtube/67525)

<div class="topic-metadata">

**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\
**Replies:** 7\
**Last updated:** [10 September 2022 16:51 UTC](https://discourse.nodered.org/t/pipe-rtsp-cam-live-video-stream-to-youtube/67525 "2022-09-10T16:51:02Z")

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Hi ho folks :slight\_smile: After I got all my cams working with Node Red by using ffmpeg / kevin s nodes. I was thinking to live-stream the interesting stuff (chicken cams) to YouTube. With this idea I am not the first: …

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## [Errors in MODBUS RTU communication](https://discourse.nodered.org/t/errors-in-modbus-rtu-communication/66255)

<div class="topic-metadata">

**Author:** [@rob2](https://discourse.nodered.org/u/rob2)\
**Replies:** 68\
**Last updated:** [10 September 2022 16:40 UTC](https://discourse.nodered.org/t/errors-in-modbus-rtu-communication/66255 "2022-09-10T16:40:20Z")

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Hello, I have problems with reading data from 5 meters on the same modbus RTU databus in a Node-RED flow. As a newbie in modbus and Node-RED I try setting up MODBUS RTU communication with 5 ABB energy meters connected …

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## [Palette manager issue - looks like can't reach internet](https://discourse.nodered.org/t/palette-manager-issue-looks-like-cant-reach-internet/67552)

<div class="topic-metadata">

**Author:** [@bogi](https://discourse.nodered.org/u/bogi)\
**Replies:** 6\
**Last updated:** [10 September 2022 14:29 UTC](https://discourse.nodered.org/t/palette-manager-issue-looks-like-cant-reach-internet/67552 "2022-09-10T14:29:42Z")

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Guys, the situation is as follows: finally i have a time to play with NodeREd. I hooked my setup which is: RB Pi4 4GB running on SSD Pi is running IoTstack and all is in dockers Pi is connected to Tenda router with et…

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## [Node-RED template node + Traefik CORS problem](https://discourse.nodered.org/t/node-red-template-node-traefik-cors-problem/67359)

<div class="topic-metadata">

**Author:** [@rucksman007](https://discourse.nodered.org/u/rucksman007)\
**Replies:** 2\
**Last updated:** [10 September 2022 11:55 UTC](https://discourse.nodered.org/t/node-red-template-node-traefik-cors-problem/67359 "2022-09-10T11:55:51Z")

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I am trying to load fonts from a subdomain different from the Node-RED subdomain in a template node, but this fails with this error: Access to font at 'https://www.mydomain.tld/path/to/font.woff2' from origin 'https://n…

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## [Node-red-contrib-ui-level height & width](https://discourse.nodered.org/t/node-red-contrib-ui-level-height-width/67546)

<div class="topic-metadata">

**Author:** [@Marchal-web](https://discourse.nodered.org/u/Marchal-web)\
**Replies:** 2\
**Last updated:** [10 September 2022 11:46 UTC](https://discourse.nodered.org/t/node-red-contrib-ui-level-height-width/67546 "2022-09-10T11:46:41Z")

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Hello, Changing the width and height of the widget only changes the number of stripes, but stripes size doesn't change. Is there a way to change the height and the width of stripes? Thanks

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## [How to add a decimal place inside a number?](https://discourse.nodered.org/t/how-to-add-a-decimal-place-inside-a-number/67551)

<div class="topic-metadata">

**Author:** [@network\_potato](https://discourse.nodered.org/u/network_potato)\
**Replies:** 1\
**Last updated:** [10 September 2022 11:43 UTC](https://discourse.nodered.org/t/how-to-add-a-decimal-place-inside-a-number/67551 "2022-09-10T11:43:25Z")

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I have a temperature that is displayed like this: temperature: 1563 I would like it to look like this: temperature: 15.6 How would I do that?

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## [Wrong timezone in Node-RED](https://discourse.nodered.org/t/wrong-timezone-in-node-red/67545)

<div class="topic-metadata">

**Author:** [@network\_potato](https://discourse.nodered.org/u/network_potato)\
**Replies:** 3\
**Last updated:** [10 September 2022 11:13 UTC](https://discourse.nodered.org/t/wrong-timezone-in-node-red/67545 "2022-09-10T11:13:11Z")

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It seems my Node-RED is 2 hours off. This is the output of an inject node directly connected to a debug node, notice the timestamp of the debug node is correct, but the string inside is 2 hours off: I run Node-RED in…

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## [Adding Data to Dashboard dynamically](https://discourse.nodered.org/t/adding-data-to-dashboard-dynamically/67541)

<div class="topic-metadata">

**Author:** [@roadfox](https://discourse.nodered.org/u/roadfox)\
**Replies:** 1\
**Last updated:** [10 September 2022 08:49 UTC](https://discourse.nodered.org/t/adding-data-to-dashboard-dynamically/67541 "2022-09-10T08:49:05Z")

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Hi I get data from an yet unknown amount of sensors. The data is then convertet to a table with the help nod-red-contrib-tableify. This works great. I have now msg: { payload: with html table devId: xxxx } What i…

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## [Raspberry Pi errors: Recovery application crashed. sh: can't access tty: job control turned off](https://discourse.nodered.org/t/raspberry-pi-errors-recovery-application-crashed-sh-cant-access-tty-job-control-turned-off/67535)

<div class="topic-metadata">

**Author:** [@ScottJ2505](https://discourse.nodered.org/u/ScottJ2505)\
**Replies:** 3\
**Last updated:** [10 September 2022 07:32 UTC](https://discourse.nodered.org/t/raspberry-pi-errors-recovery-application-crashed-sh-cant-access-tty-job-control-turned-off/67535 "2022-09-10T07:32:43Z")

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Hello, I am been using a raspbery pi 3 successfully for a few years to run Node Red for home automation. The Pi also hosts MQTT mosquito. I am not using any GPIO pins. For some reason today the Pi is throwing the follow…

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