# Latest

**URL:** https://discourse.nodered.org/latest.md?page=683

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

**Page:** 684

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## [Just upgraded to 2.1.3](https://discourse.nodered.org/t/just-upgraded-to-2-1-3/54418)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 9\
**Last updated:** [29 November 2021 22:12 UTC](https://discourse.nodered.org/t/just-upgraded-to-2-1-3/54418 "2021-11-29T22:12:31Z")

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Yeah, ok, I have a foreign dark theme installed. I just updated to the latest version. Going through the tutorial. But it is hard to read. It's the installed theme - yeah? :frowning:

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## [What node to FTP access](https://discourse.nodered.org/t/what-node-to-ftp-access/54456)

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**Author:** [@tpbillund](https://discourse.nodered.org/u/tpbillund)\
**Replies:** 1\
**Last updated:** [29 November 2021 13:25 UTC](https://discourse.nodered.org/t/what-node-to-ftp-access/54456 "2021-11-29T13:25:13Z")

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Hi I have and ReoLink NVR that's support FTP access. What node in NodeRed is best, if I need to look into a folder (LAN/Local Network) on the NVR using FTP access, to see if a new image is added, if so... then somethin…

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## [Unhandled Promise Rejection Warning](https://discourse.nodered.org/t/unhandled-promise-rejection-warning/54405)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 18\
**Last updated:** [29 November 2021 11:55 UTC](https://discourse.nodered.org/t/unhandled-promise-rejection-warning/54405 "2021-11-29T11:55:14Z")

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In terminal I have this error: (node:1946) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a pro…

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## [Node modbus v.5.15 not support node.js 16.9.1](https://discourse.nodered.org/t/node-modbus-v-5-15-not-support-node-js-16-9-1/54432)

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**Author:** [@sarawut](https://discourse.nodered.org/u/sarawut)\
**Replies:** 4\
**Last updated:** [29 November 2021 11:08 UTC](https://discourse.nodered.org/t/node-modbus-v-5-15-not-support-node-js-16-9-1/54432 "2021-11-29T11:08:18Z")

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Hi all, I have question for when i install node.js v.16.9.1 and after that install modbus in plellte menu. It shown error not support please see picture need to install modbus v.6+ please help me for this case.

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## [Modbus sniffer?](https://discourse.nodered.org/t/modbus-sniffer/54290)

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**Author:** [@TheMiloNet](https://discourse.nodered.org/u/TheMiloNet)\
**Replies:** 9\
**Last updated:** [29 November 2021 11:00 UTC](https://discourse.nodered.org/t/modbus-sniffer/54290 "2021-11-29T11:00:33Z")

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hi all, i am trying to implement a modbus sniffer. you will wonder why. very simple. I have a heat pump (slave) that communicates in modbus with its lcd panel (master). I would like to fetch the machine data without …

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## [How to reassemble n sequential messages in one?](https://discourse.nodered.org/t/how-to-reassemble-n-sequential-messages-in-one/54280)

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**Author:** [@thoraz](https://discourse.nodered.org/u/thoraz)\
**Replies:** 14\
**Last updated:** [29 November 2021 10:37 UTC](https://discourse.nodered.org/t/how-to-reassemble-n-sequential-messages-in-one/54280 "2021-11-29T10:37:06Z")

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In my flow (v.1.3.5) I receive sequential MQTT messages that represent fragments of a bigger packet. In the messages I have the info of which number of fragment is. How can I reassemble the fragments in the original pack…

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## [Cannot install module please help](https://discourse.nodered.org/t/cannot-install-module-please-help/54435)

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**Author:** [@CaptainPengu](https://discourse.nodered.org/u/CaptainPengu)\
**Replies:** 6\
**Last updated:** [29 November 2021 10:26 UTC](https://discourse.nodered.org/t/cannot-install-module-please-help/54435 "2021-11-29T10:26:40Z")

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Hi there, I'm new to nodered and was just starting out, I am trying to use NodeRed to receive data from a ESP8266 connected to a QMC5883L (Magnetic compass sensor). I am unsure of what issue but when I tried to run " np…

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## [How do I dynamically set the time in TCP Request](https://discourse.nodered.org/t/how-do-i-dynamically-set-the-time-in-tcp-request/53803)

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**Author:** [@MaoMao](https://discourse.nodered.org/u/MaoMao)\
**Replies:** 8\
**Last updated:** [29 November 2021 09:22 UTC](https://discourse.nodered.org/t/how-do-i-dynamically-set-the-time-in-tcp-request/53803 "2021-11-29T09:22:45Z")

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I'm sorry to disturb you so much. For the node "TCP Request", I want to dynamically pass a time into the node instead of writing the time into the node in a fixed way. I tried to write "MSG.time". I don't know if this no…

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## [Assigning function node variable to incoming payload naming convention](https://discourse.nodered.org/t/assigning-function-node-variable-to-incoming-payload-naming-convention/54437)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 1\
**Last updated:** [29 November 2021 09:04 UTC](https://discourse.nodered.org/t/assigning-function-node-variable-to-incoming-payload-naming-convention/54437 "2021-11-29T09:04:18Z")

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I tend to have my first line in my Blocky nodes as assigning a variable called payload to msg.payload I then do stuff and quite often just change it to something else and then output it I was idling wondering whet…

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## [Processing Time-Series Sensor Data](https://discourse.nodered.org/t/processing-time-series-sensor-data/54439)

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**Author:** [@hamin123](https://discourse.nodered.org/u/hamin123)\
**Replies:** 1\
**Last updated:** [29 November 2021 08:11 UTC](https://discourse.nodered.org/t/processing-time-series-sensor-data/54439 "2021-11-29T08:11:28Z")

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Hi, I am looking for a filter node that would give me output when it receives N number of inputs e.g. 1 for a specific message. For example, I have a dry contact on port 0 and it gives output every second. Now, if port…

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## [HTTP request getting PDF as a string](https://discourse.nodered.org/t/http-request-getting-pdf-as-a-string/54443)

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**Author:** [@toupou](https://discourse.nodered.org/u/toupou)\
**Replies:** 2\
**Last updated:** [29 November 2021 07:55 UTC](https://discourse.nodered.org/t/http-request-getting-pdf-as-a-string/54443 "2021-11-29T07:55:07Z")

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Dear all, I´m getting from an API the PDF data as a string. When testing with Postman it shows the PDF and I can save it. But when working with Node-Red I can´t process that data any further. Just for testing I tried t…

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## [Dashboard chart settings - font, point colour, axis labels etc](https://discourse.nodered.org/t/dashboard-chart-settings-font-point-colour-axis-labels-etc/54397)

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**Author:** [@letshin](https://discourse.nodered.org/u/letshin)\
**Replies:** 6\
**Last updated:** [29 November 2021 06:09 UTC](https://discourse.nodered.org/t/dashboard-chart-settings-font-point-colour-axis-labels-etc/54397 "2021-11-29T06:09:52Z")

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Hi - Does anyone know how to change the dashboard chart settings please? I am looking to customise the font size, tick marks, marker colours etc. I've inpsected the CSS elements and it seems the chart is a chart.js ifram…

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## [Newbie trying to integrate OpenHAB with RFID card Reader](https://discourse.nodered.org/t/newbie-trying-to-integrate-openhab-with-rfid-card-reader/54423)

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**Author:** [@dastrix](https://discourse.nodered.org/u/dastrix)\
**Replies:** 6\
**Last updated:** [29 November 2021 01:51 UTC](https://discourse.nodered.org/t/newbie-trying-to-integrate-openhab-with-rfid-card-reader/54423 "2021-11-29T01:51:04Z")

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Hi All, I've managed to get the OpenHAB nodes imported and can see state changes etc working just fine. I downloaded some code and imported it for my Wiegand RFID reader and it also works fine by using an Inject Node to…

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## [Help with TCP-Ping](https://discourse.nodered.org/t/help-with-tcp-ping/54389)

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**Author:** [@gregoinc](https://discourse.nodered.org/u/gregoinc)\
**Replies:** 9\
**Last updated:** [29 November 2021 00:29 UTC](https://discourse.nodered.org/t/help-with-tcp-ping/54389 "2021-11-29T00:29:44Z")

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Been a while since OI have posted. Have hit a bit of snag in relation to pinging a node on my network. Originally was using the 'ping' node but couldn't workout how to ping an IP address with a non-standard port. So I h…

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## [Web Scraping with Empty results](https://discourse.nodered.org/t/web-scraping-with-empty-results/52587)

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**Author:** [@Erin](https://discourse.nodered.org/u/Erin)\
**Replies:** 3\
**Last updated:** [28 November 2021 22:43 UTC](https://discourse.nodered.org/t/web-scraping-with-empty-results/52587 "2021-11-28T22:43:32Z")

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Hello, I'm new to Node Red so I'm not quite sure how to extract correctly the data from web sites. I tried to retrieve data from http://www.bom.gov.au/nt/forecasts/darwin.shtml, but I got empty result. Could you please h…

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## [Importing nodes - existing nodes/subflows - question](https://discourse.nodered.org/t/importing-nodes-existing-nodes-subflows-question/54384)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [28 November 2021 21:23 UTC](https://discourse.nodered.org/t/importing-nodes-existing-nodes-subflows-question/54384 "2021-11-28T21:23:28Z")

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Please read it all before replying. OK, I have kind of asked before but I am still not understanding it. (Though it does seem a bit better than before) Saying NR 1.3.5 I have subflows. I import a flow (code) from ano…

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## [Correct communication with PLC](https://discourse.nodered.org/t/correct-communication-with-plc/54406)

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**Author:** [@FrantaD](https://discourse.nodered.org/u/FrantaD)\
**Replies:** 0\
**Last updated:** [28 November 2021 16:38 UTC](https://discourse.nodered.org/t/correct-communication-with-plc/54406 "2021-11-28T16:38:15Z")

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I have a connected Omron PLC with Nodered, which I use as a control panel. I have Ethernet/IP communication and it works fine. But I'm not sure how to use it properly. Example: I have a relay, and I want to change its…

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## [Looping problem for modbus](https://discourse.nodered.org/t/looping-problem-for-modbus/54356)

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**Author:** [@patfrench](https://discourse.nodered.org/u/patfrench)\
**Replies:** 11\
**Last updated:** [28 November 2021 21:00 UTC](https://discourse.nodered.org/t/looping-problem-for-modbus/54356 "2021-11-28T21:00:13Z")

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Hi all I would like to increment the addresses but I can't. \[ { "id": "f4b3eb2c38e0f0f1", "type": "inject", "z": "cde86a8aacec4fc2", "name": "", "props": \[ { …

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## [Node-Red Home assistant](https://discourse.nodered.org/t/node-red-home-assistant/54408)

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**Author:** [@Sebastien78](https://discourse.nodered.org/u/Sebastien78)\
**Replies:** 1\
**Last updated:** [28 November 2021 19:41 UTC](https://discourse.nodered.org/t/node-red-home-assistant/54408 "2021-11-28T19:41:44Z")

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Good evening. My name is Sébastien and I am new to residential home automation. I installed Home Assistant on my Synology NAS with a Conbee2 USB key. I have access to my Home assistant interface without problem. I se…

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## [How do you know what JSON properties a service/entity supports?](https://discourse.nodered.org/t/how-do-you-know-what-json-properties-a-service-entity-supports/54411)

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**Author:** [@voidpointer](https://discourse.nodered.org/u/voidpointer)\
**Replies:** 1\
**Last updated:** [28 November 2021 19:03 UTC](https://discourse.nodered.org/t/how-do-you-know-what-json-properties-a-service-entity-supports/54411 "2021-11-28T19:03:50Z")

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Suppose I have a zwave smart plug and I want to control it from Node Red. How do you know what JSON properties it supports when I invoke the "call service node" on it? To me, this needs an API definition per-device so yo…

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## [Smart wifi socket thermostat from Könighaus in Nodered?](https://discourse.nodered.org/t/smart-wifi-socket-thermostat-from-konighaus-in-nodered/54395)

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**Author:** [@pinie\_pinie](https://discourse.nodered.org/u/pinie_pinie)\
**Replies:** 5\
**Last updated:** [28 November 2021 15:59 UTC](https://discourse.nodered.org/t/smart-wifi-socket-thermostat-from-konighaus-in-nodered/54395 "2021-11-28T15:59:20Z")

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Hello, I have a smart wifi socket thermostat from the Könighaus company to control my Infaroth heating. There is an app for control. Now I would like to integrate the control at least to switch it on and off in Nodered…

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## [\[UPDATE\] node-red-contrib-zwave-js 6.4.0](https://discourse.nodered.org/t/update-node-red-contrib-zwave-js-6-4-0/54404)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 0\
**Last updated:** [28 November 2021 15:55 UTC](https://discourse.nodered.org/t/update-node-red-contrib-zwave-js-6-4-0/54404 "2021-11-28T15:55:44Z")

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So, Its been a while since I have been able to work on this project. Long storey short, workhorse got deaded, got new workhorse. Now I have a new machine (an M1 Apple Product if your interested) I present node-red-co…

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## [Add Input Widget Type / Decrease repeat code in HTML file](https://discourse.nodered.org/t/add-input-widget-type-decrease-repeat-code-in-html-file/54366)

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**Author:** [@EJSRobinson](https://discourse.nodered.org/u/EJSRobinson)\
**Replies:** 1\
**Last updated:** [28 November 2021 15:06 UTC](https://discourse.nodered.org/t/add-input-widget-type-decrease-repeat-code-in-html-file/54366 "2021-11-28T15:06:57Z")

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I have a set of node types which share editor config functionality. As such, I have a large amount of repeated code in each node type's HTML file, primarily residing in OnEditPrepare. I'd like these nodes to share the f…

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## [Filter a single value from an object list](https://discourse.nodered.org/t/filter-a-single-value-from-an-object-list/54354)

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**Author:** [@Domotix](https://discourse.nodered.org/u/Domotix)\
**Replies:** 2\
**Last updated:** [28 November 2021 14:27 UTC](https://discourse.nodered.org/t/filter-a-single-value-from-an-object-list/54354 "2021-11-28T14:27:55Z")

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Hi everyone, I have recently started programming with node red. I should filter in this list of values, only the given temperature of the new state. excluding all the others.

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## [RPI sometimes reporting low supply voltage](https://discourse.nodered.org/t/rpi-sometimes-reporting-low-supply-voltage/54392)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 4\
**Last updated:** [28 November 2021 14:26 UTC](https://discourse.nodered.org/t/rpi-sometimes-reporting-low-supply-voltage/54392 "2021-11-28T14:26:44Z")

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Sometimes when I open VNC viewer on my RPI I get low voltage report. I have measured supply voltage several times, but always measure bit more then 5 volts. I don't know what to think. My question is: Is there a way to …

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## [UK: The Product Security and Telecommunications Infrastructure (PSTI) Bill](https://discourse.nodered.org/t/uk-the-product-security-and-telecommunications-infrastructure-psti-bill/54398)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 7\
**Last updated:** [28 November 2021 14:24 UTC](https://discourse.nodered.org/t/uk-the-product-security-and-telecommunications-infrastructure-psti-bill/54398 "2021-11-28T14:24:20Z")

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This might warrant some discussion? it includes 'smart home assistants' & 'Internet of Things base stations and hubs to which multiple devices connect' Admittedly its only the UK - but may need to be addressed, i.e fo…

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## [Trouble getting started with Alexa-remote](https://discourse.nodered.org/t/trouble-getting-started-with-alexa-remote/54254)

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**Author:** [@haegar33](https://discourse.nodered.org/u/haegar33)\
**Replies:** 33\
**Last updated:** [28 November 2021 13:46 UTC](https://discourse.nodered.org/t/trouble-getting-started-with-alexa-remote/54254 "2021-11-28T13:46:36Z")

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Well I just started today exploiting this Alexa node (so I gues 5.0.7 is the latest Apfelstrudel :wink: ) but I cannot get any spoke Alexa command in NR (using the example flow above from @dynamicdave ). I am using my …

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## [Creating a dropdown with a button that has the same function to inject](https://discourse.nodered.org/t/creating-a-dropdown-with-a-button-that-has-the-same-function-to-inject/54401)

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**Author:** [@nqtrung248](https://discourse.nodered.org/u/nqtrung248)\
**Replies:** 0\
**Last updated:** [28 November 2021 12:14 UTC](https://discourse.nodered.org/t/creating-a-dropdown-with-a-button-that-has-the-same-function-to-inject/54401 "2021-11-28T12:14:32Z")

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Hi, i'm new here Just want to ask something: so if i want to make a dropdown and a button that have the same fucntion to the inject node, what topic and payload should i set to both the dropdown and the button

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## [Non-http transport requested](https://discourse.nodered.org/t/non-http-transport-requested/4639)

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**Author:** [@zapicoj](https://discourse.nodered.org/u/zapicoj)\
**Replies:** 7\
**Last updated:** [28 November 2021 11:12 UTC](https://discourse.nodered.org/t/non-http-transport-requested/4639 "2021-11-28T11:12:33Z")

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Hi, I am trying to get xml data from a weather web server. When I use this URL in a browser it works fine and I receive the xml data. URL:https://api.weatherlink.com/v1/StationStatus.xml?user=001D0A00DE6A&pass=DEMO&api…

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## [Downloading pdf file from internet](https://discourse.nodered.org/t/downloading-pdf-file-from-internet/54324)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 4\
**Last updated:** [28 November 2021 08:04 UTC](https://discourse.nodered.org/t/downloading-pdf-file-from-internet/54324 "2021-11-28T08:04:36Z")

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Maybe anyone can help me with this problem. I am trying to download a pdf file from a web address and store it on RPI. THis file is not secured, I think. I can normally download it my self from the web. But If I downloa…

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