# General **URL:** https://discourse.nodered.org/c/general/7.md?page=6 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 7 --- ## [Hmmm, Node-RED grinds to a halt and is restarting. Any Ideas?](https://discourse.nodered.org/t/hmmm-node-red-grinds-to-a-halt-and-is-restarting-any-ideas/101134)

**Author:** [@mudwalker](https://discourse.nodered.org/u/mudwalker)\ **Replies:** 48\ **Last updated:** [29 May 2026 06:13 UTC](https://discourse.nodered.org/t/hmmm-node-red-grinds-to-a-halt-and-is-restarting-any-ideas/101134 "2026-05-29T06:13:47Z")

Seeing this in the logs, or at least, this is the first one I caught!... \<--- Last few GCs ---\> \[3690:0x7f9d100000\] 799596 ms: Mark-Compact 1005.1 (1073.6) -\> 989.6 (1071.6) MB, pooled: 1 MB, 578.63 / 0.00 ms (avera… --- ## [Http request payload](https://discourse.nodered.org/t/http-request-payload/101137)

**Author:** [@Philipp-K](https://discourse.nodered.org/u/Philipp-K)\ **Replies:** 5\ **Last updated:** [29 May 2026 06:11 UTC](https://discourse.nodered.org/t/http-request-payload/101137 "2026-05-29T06:11:58Z")

Hello Somehow I can't get to the solution. Is intended for an IO-Link Device with two analog out. I have two sliders for entering the target output value, adding folders to 16bit Value Topic, merging them into one num… --- ## [JSONata $base64decode does not support UTF8 strings](https://discourse.nodered.org/t/jsonata-base64decode-does-not-support-utf8-strings/101146)

**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\ **Replies:** 3\ **Last updated:** [28 May 2026 15:34 UTC](https://discourse.nodered.org/t/jsonata-base64decode-does-not-support-utf8-strings/101146 "2026-05-28T15:34:52Z")

Hi There, Taking this string Teiüäösß utf8 fïléñámê.m4a, encode as base64\[1\]: echo "Teiüäösß utf8 fïléñámê.m4a" | base64 and get this string VGVpdcyIYcyIb8yIc8OfIHV0ZjggZmnMiGxlzIFuzINhzIFtZcyCLm00YQo= I… --- ## [Uint32 (sw) in node-red-contrib-buffer-parser or alternative?](https://discourse.nodered.org/t/uint32-sw-in-node-red-contrib-buffer-parser-or-alternative/101078)

**Author:** [@rucksman007](https://discourse.nodered.org/u/rucksman007)\ **Replies:** 4\ **Last updated:** [27 May 2026 22:38 UTC](https://discourse.nodered.org/t/uint32-sw-in-node-red-contrib-buffer-parser-or-alternative/101078 "2026-05-27T22:38:16Z")

I am using node-red-contrib-buffer-parser to parse a long buffer that I recieve via Modbus. It is a mix of (u)int16 und (u)int32 values. As the documentation for this device does not say anything about endianess I used b… --- ## [Arduino Cloud nodes all work, except Properties(in) nodes, Cloud shows device Offline](https://discourse.nodered.org/t/arduino-cloud-nodes-all-work-except-properties-in-nodes-cloud-shows-device-offline/101131)

**Author:** [@TMRh20](https://discourse.nodered.org/u/TMRh20)\ **Replies:** 2\ **Last updated:** [27 May 2026 10:39 UTC](https://discourse.nodered.org/t/arduino-cloud-nodes-all-work-except-properties-in-nodes-cloud-shows-device-offline/101131 "2026-05-27T10:39:04Z")

I've installed the @arduino/node-red-contrib-arduino-iot-cloud nodes in NodeRed, and I have almost every node type working, sending & receiving data, except I cannot receive data via the Properties(in) node. I've tried … --- ## [Handle json object](https://discourse.nodered.org/t/handle-json-object/101135)

**Author:** [@omni-support](https://discourse.nodered.org/u/omni-support)\ **Replies:** 2\ **Last updated:** [26 May 2026 20:22 UTC](https://discourse.nodered.org/t/handle-json-object/101135 "2026-05-26T20:22:22Z")

hello, I am pretty new to node-red, now I am working on one project which has mqtt json object as shown below: This object structure comes from 3rd party device, I can't change it, but I would like to change to my j… --- ## [Free NodeRed Plugin Implementation](https://discourse.nodered.org/t/free-nodered-plugin-implementation/101030)

**Author:** [@TacticalNudge](https://discourse.nodered.org/u/TacticalNudge)\ **Replies:** 13\ **Last updated:** [26 May 2026 11:20 UTC](https://discourse.nodered.org/t/free-nodered-plugin-implementation/101030 "2026-05-26T11:20:15Z")

My client (not Node-RED related) is downsizing, and I find myself with some free time on my hands over the next few weeks while I sort out what's next. If anyone has an idea for a Node-RED integration or plugin they'd l… --- ## [Node-red-contrib-opcua write value to server issue](https://discourse.nodered.org/t/node-red-contrib-opcua-write-value-to-server-issue/100636)

**Author:** [@Meloman](https://discourse.nodered.org/u/Meloman)\ **Replies:** 3\ **Last updated:** [26 May 2026 10:18 UTC](https://discourse.nodered.org/t/node-red-contrib-opcua-write-value-to-server-issue/100636 "2026-05-26T10:18:11Z")

Hi, I have been experiencing an issue for the last couple of days. My OPC UA server is running correctly: I can create folders and variables with default values, assign permissions, and everything seems to work fine ex… --- ## [Subflow Synchronization](https://discourse.nodered.org/t/subflow-synchronization/101091)

**Author:** [@kitwar](https://discourse.nodered.org/u/kitwar)\ **Replies:** 19\ **Last updated:** [26 May 2026 08:15 UTC](https://discourse.nodered.org/t/subflow-synchronization/101091 "2026-05-26T08:15:30Z")

I run different projects on different servers. Many of them have common subflows. If I make an upgrade to a subflow, I manually change the version, and then export/import in ~15 other Node-RED instances. Sometimes I don… --- ## [Modbus value display problem](https://discourse.nodered.org/t/modbus-value-display-problem/101117)

**Author:** [@jlt57](https://discourse.nodered.org/u/jlt57)\ **Replies:** 3\ **Last updated:** [25 May 2026 08:59 UTC](https://discourse.nodered.org/t/modbus-value-display-problem/101117 "2026-05-25T08:59:25Z")

Hello everyone, I'm having a problem with Modbus and data display. (I'm a beginner, but I think I understand the basics of Node-RED.) When I send a query of several words to a PLC, the data arrives correctly (in an ar… --- ## [How to read RS485 - URM14 Ultrasonic Sensor](https://discourse.nodered.org/t/how-to-read-rs485-urm14-ultrasonic-sensor/100983)

**Author:** [@Technogeek](https://discourse.nodered.org/u/Technogeek)\ **Replies:** 14\ **Last updated:** [23 May 2026 04:11 UTC](https://discourse.nodered.org/t/how-to-read-rs485-urm14-ultrasonic-sensor/100983 "2026-05-23T04:11:39Z")

I'm fairly new to all this stuff and have not been able to figure out how to configure the Modbus Reader or Getter nodes to access data from the DFRobot URM14 Sensor. I'm using the WaveShare 2Channel RS485 SC16IS752+SP34… --- ## [How to split a long message and filter for information](https://discourse.nodered.org/t/how-to-split-a-long-message-and-filter-for-information/101089)

**Author:** [@Emmi](https://discourse.nodered.org/u/Emmi)\ **Replies:** 16\ **Last updated:** [22 May 2026 10:16 UTC](https://discourse.nodered.org/t/how-to-split-a-long-message-and-filter-for-information/101089 "2026-05-22T10:16:54Z")

Hi, I'm quite new in working with node red. I got this following message from a Victron Batterie Monitor (BMV 712) and I would like to get some of the data in an InfluxDB. I use the node VE.direct USB triggered by a ti… --- ## [Not understanding what's going on with the code](https://discourse.nodered.org/t/not-understanding-whats-going-on-with-the-code/101081)

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 18\ **Last updated:** [22 May 2026 07:15 UTC](https://discourse.nodered.org/t/not-understanding-whats-going-on-with-the-code/101081 "2026-05-22T07:15:11Z")

Folks, this is a problem which has been hiding for a while. I just found/noticed it now. code: // get existing states const alarm = flow.get("alarm") || null const error = flow.get("error") || null const ip = flow.ge… --- ## [Struggling with Modbus RTU timing over TCP](https://discourse.nodered.org/t/struggling-with-modbus-rtu-timing-over-tcp/101084)

**Author:** [@Christopher.Scott](https://discourse.nodered.org/u/Christopher.Scott)\ **Replies:** 1\ **Last updated:** [21 May 2026 10:12 UTC](https://discourse.nodered.org/t/struggling-with-modbus-rtu-timing-over-tcp/101084 "2026-05-21T10:12:29Z")

I'm trying to integrate a IoT-SS101 with my Node-RED setup. Does anyone have the correct JSON flow for handling the polling interval? Here is the device manual: https://valtoris.com/wp-content/uploads/2025/11/1CH-RS232-4… --- ## [Getting started 2](https://discourse.nodered.org/t/getting-started-2/101093)

**Author:** [@ss1012](https://discourse.nodered.org/u/ss1012)\ **Replies:** 11\ **Last updated:** [20 May 2026 20:58 UTC](https://discourse.nodered.org/t/getting-started-2/101093 "2026-05-20T20:58:30Z")

I am new to this and i am having a real time trying to make everything work. Any help would be greatly appreciated. --- ## [Possibly a bug in contrib-modbus or even in node-red core](https://discourse.nodered.org/t/possibly-a-bug-in-contrib-modbus-or-even-in-node-red-core/100877)

**Author:** [@Roman\_P](https://discourse.nodered.org/u/Roman_P)\ **Replies:** 6\ **Last updated:** [20 May 2026 14:32 UTC](https://discourse.nodered.org/t/possibly-a-bug-in-contrib-modbus-or-even-in-node-red-core/100877 "2026-05-20T14:32:58Z")

Hi! I need to sequentially poll several Modbus IDs connected to the same serial-to-TCP gateway. Because this gateway is a bit buggy and sometimes fail to manage poll queue (TCP to RS-485) in a propper manner, I'm forced… --- ## [Trying to figure out modbus](https://discourse.nodered.org/t/trying-to-figure-out-modbus/100915)

**Author:** [@txrocks](https://discourse.nodered.org/u/txrocks)\ **Replies:** 11\ **Last updated:** [20 May 2026 00:47 UTC](https://discourse.nodered.org/t/trying-to-figure-out-modbus/100915 "2026-05-20T00:47:22Z")

I am trying to figure out how to move forward from where I am at. I can get the modbus registers when I click timestamp. I can not tell exactly which ones are which, these ones should all be read. Other modbus setups … --- ## [Developing a MeshCore-Node](https://discourse.nodered.org/t/developing-a-meshcore-node/101070)

**Author:** [@roger.waldmeier](https://discourse.nodered.org/u/roger.waldmeier)\ **Replies:** 6\ **Last updated:** [19 May 2026 12:33 UTC](https://discourse.nodered.org/t/developing-a-meshcore-node/101070 "2026-05-19T12:33:46Z")

Is anybody developing a MeshCore-Node in near Future? To deal with the "exec"-Command is quite painful... --- ## [Accessing flow.variables](https://discourse.nodered.org/t/accessing-flow-variables/101076)

**Author:** [@RobinEckermann](https://discourse.nodered.org/u/RobinEckermann)\ **Replies:** 3\ **Last updated:** [19 May 2026 11:05 UTC](https://discourse.nodered.org/t/accessing-flow-variables/101076 "2026-05-19T11:05:43Z")

I'm a relative newbie, so apologies in advance if I'm framing a stupid question. I am saving a numeric value captured from a dashboard slider as flow.low - and a debug node shows it saved (as expected) with a numeric val… --- ## [Node-red-contrib-alexa-notifyme account data](https://discourse.nodered.org/t/node-red-contrib-alexa-notifyme-account-data/101068)

**Author:** [@mssib28](https://discourse.nodered.org/u/mssib28)\ **Replies:** 3\ **Last updated:** [18 May 2026 16:15 UTC](https://discourse.nodered.org/t/node-red-contrib-alexa-notifyme-account-data/101068 "2026-05-18T16:15:18Z")

Hi there, I have node-red-contrib-alexa-notifyme in node-red installed and I got api-key and api-secret. In the node I have to type the Access Code. I typed in the api-key --\> fault, I typed in the api-key:api-secret -… --- ## [uiBuilder Question on eventListeners](https://discourse.nodered.org/t/uibuilder-question-on-eventlisteners/101067)

**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\ **Replies:** 1\ **Last updated:** [17 May 2026 16:36 UTC](https://discourse.nodered.org/t/uibuilder-question-on-eventlisteners/101067 "2026-05-17T16:36:32Z")

So, not a specific Node-RED but relevant to uiBuilder Most addEventListener examples use an anonymous handler (i.e. (event) =\> {}) but of course this makes it very difficult to remove (I tried abort() but couldn't get i… --- ## [Extract Data from a Webpage](https://discourse.nodered.org/t/extract-data-from-a-webpage/101066)

**Author:** [@roger.waldmeier](https://discourse.nodered.org/u/roger.waldmeier)\ **Replies:** 3\ **Last updated:** [17 May 2026 15:42 UTC](https://discourse.nodered.org/t/extract-data-from-a-webpage/101066 "2026-05-17T15:42:35Z")

Hello, with node-red, I want to extract data from this webpage: \[Kanton Aargau - Hydrometrie\] I'm interested in "Abfluss", "Pegel" and "Wassertemperatur", see attached photo Because it seems not to be ordinary html (… --- ## [How can I store a current value](https://discourse.nodered.org/t/how-can-i-store-a-current-value/101061)

**Author:** [@Johannesje](https://discourse.nodered.org/u/Johannesje)\ **Replies:** 10\ **Last updated:** [16 May 2026 13:51 UTC](https://discourse.nodered.org/t/how-can-i-store-a-current-value/101061 "2026-05-16T13:51:50Z")

I am reading the output of my kWh meter (via P1). This concerns the current kWh value, but it is increasing slowly. How can I freeze the current value when I press a button? I want to place this in the context data, as … --- ## [JSONata $toMillis() in change node will not convert an ISO complaint date string](https://discourse.nodered.org/t/jsonata-tomillis-in-change-node-will-not-convert-an-iso-complaint-date-string/101003)

**Author:** [@IanH](https://discourse.nodered.org/u/IanH)\ **Replies:** 10\ **Last updated:** [16 May 2026 11:10 UTC](https://discourse.nodered.org/t/jsonata-tomillis-in-change-node-will-not-convert-an-iso-complaint-date-string/101003 "2026-05-16T11:10:19Z")

I have another anomaly when using JSONata in a change node, and it is to do with time/date objects (of course). I am using a node-red-contrib-sun-event-trigger to produce a sunrise trigger, and also capture the days oth… --- ## [Security issues with nr internal npm?](https://discourse.nodered.org/t/security-issues-with-nr-internal-npm/101034)

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\ **Replies:** 5\ **Last updated:** [16 May 2026 11:01 UTC](https://discourse.nodered.org/t/security-issues-with-nr-internal-npm/101034 "2026-05-16T11:01:17Z")

I have a docker container which includes npm v11. However due to some accidental PATH handling, I discovered there were npm audit security issues that couldn't be fixed because they originate from another npm version 10.… --- ## [Looking for a countdown clock](https://discourse.nodered.org/t/looking-for-a-countdown-clock/100942)

**Author:** [@Technogeek](https://discourse.nodered.org/u/Technogeek)\ **Replies:** 24\ **Last updated:** [15 May 2026 16:43 UTC](https://discourse.nodered.org/t/looking-for-a-countdown-clock/100942 "2026-05-15T16:43:29Z")

I'm looking for a digital countdown clock that displays Hours, Minutes and Seconds. I will need to be able to preset the countdown time for up to 12 Hours. I've been able to get the Digital Clock to count down using the … --- ## [Reading 3x RS232 legacy machines via a single Gateway to Node-RED](https://discourse.nodered.org/t/reading-3x-rs232-legacy-machines-via-a-single-gateway-to-node-red/100740)

**Author:** [@DiogoI4.0](https://discourse.nodered.org/u/DiogoI4.0)\ **Replies:** 13\ **Last updated:** [15 May 2026 12:34 UTC](https://discourse.nodered.org/t/reading-3x-rs232-legacy-machines-via-a-single-gateway-to-node-red/100740 "2026-05-15T12:34:15Z")

Hello everyone, I need to collect data from plastic injection molding machines and I'm facing the following problem. The scenario: We have a production line with 3 independent machines. They are controlled by Techmation… --- ## [Modbus server - strange debug mesage](https://discourse.nodered.org/t/modbus-server-strange-debug-mesage/101031)

**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\ **Replies:** 1\ **Last updated:** [15 May 2026 09:06 UTC](https://discourse.nodered.org/t/modbus-server-strange-debug-mesage/101031 "2026-05-15T09:06:11Z")

As you can see on the picture, my proxy server for solar inverters works but I continously get this error mesage: "Is Not A Valid Memory Write Message To Server" Any idea how to get rid of it? --- ## [FordConnect APIs and data collection](https://discourse.nodered.org/t/fordconnect-apis-and-data-collection/101033)

**Author:** [@rakgupta](https://discourse.nodered.org/u/rakgupta)\ **Replies:** 0\ **Last updated:** [14 May 2026 21:29 UTC](https://discourse.nodered.org/t/fordconnect-apis-and-data-collection/101033 "2026-05-14T21:29:39Z")

With a lot of help from Gemini, I have managed to set up my Ford Developer Account and have received access to their APIs (not very well documented). Now I am trying to figure out what I want to do with it! Is anyone us… --- ## [Trouble with working through the Node Red tutorials ](https://discourse.nodered.org/t/trouble-with-working-through-the-node-red-tutorials/100992)

**Author:** [@richardw997](https://discourse.nodered.org/u/richardw997)\ **Replies:** 11\ **Last updated:** [14 May 2026 15:35 UTC](https://discourse.nodered.org/t/trouble-with-working-through-the-node-red-tutorials/100992 "2026-05-14T15:35:00Z")

I have been working through the Node Red tutorials and got to the point of building arrays with the Star Wars data from the site, “people”: “https://swapi.info/api/people”. I have then followed the tutorial to convert a … [Previous page](https://discourse.nodered.org/c/general/7.md?page=5) [Next page](https://discourse.nodered.org/c/general/7.md?page=7)