# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1194

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

**Page:** 1195

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## [Node red communication with kepserverx](https://discourse.nodered.org/t/node-red-communication-with-kepserverx/18459)

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**Author:** [@mohammedtaha](https://discourse.nodered.org/u/mohammedtaha)\
**Replies:** 6\
**Last updated:** [27 November 2019 19:59 UTC](https://discourse.nodered.org/t/node-red-communication-with-kepserverx/18459 "2019-11-27T19:59:13Z")

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hello, i'm triying to control a vfd throught plc siemens, i maked the connection with kepserverx and node-red, i'm now able to debug messages, the problem is that i'm not able to apply a function to filter messages, also…

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## [Re-order editor sidebar panel icons](https://discourse.nodered.org/t/re-order-editor-sidebar-panel-icons/12588)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 4\
**Last updated:** [27 November 2019 19:34 UTC](https://discourse.nodered.org/t/re-order-editor-sidebar-panel-icons/12588 "2019-11-27T19:34:03Z")

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I would very much like to be able to re-order the panel icons in the editor sidebar. (See screenshot.) I rarely use the Project History panel while developing a flow but often need the Context Data panel and have to m…

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## [Rainbow Effect directly in Node-RED for RGB Spots](https://discourse.nodered.org/t/rainbow-effect-directly-in-node-red-for-rgb-spots/18501)

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**Author:** [@nicedevil](https://discourse.nodered.org/u/nicedevil)\
**Replies:** 5\
**Last updated:** [27 November 2019 18:47 UTC](https://discourse.nodered.org/t/rainbow-effect-directly-in-node-red-for-rgb-spots/18501 "2019-11-27T18:47:01Z")

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Hey guys, I have a new setup in my flat with some Hue RGB SpotLights connected with a conbee stick/bridge. Everything works great, I can set the colors with the Colorpicker and the brightness and so on. I don't have a…

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## [Problem with ui-led library](https://discourse.nodered.org/t/problem-with-ui-led-library/18491)

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**Author:** [@Estuardo12](https://discourse.nodered.org/u/Estuardo12)\
**Replies:** 4\
**Last updated:** [27 November 2019 18:19 UTC](https://discourse.nodered.org/t/problem-with-ui-led-library/18491 "2019-11-27T18:19:32Z")

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I cannot insert the ui-led library, I have tried to uninstall it and reinstall it but the LED appears disabled. Ate. Estuardo

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## [HTTP Request No Reply](https://discourse.nodered.org/t/http-request-no-reply/18260)

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**Author:** [@pcgopher](https://discourse.nodered.org/u/pcgopher)\
**Replies:** 23\
**Last updated:** [27 November 2019 17:42 UTC](https://discourse.nodered.org/t/http-request-no-reply/18260 "2019-11-27T17:42:04Z")

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Hi All, I'm fairly new to Node-RED, so please bear with me... I'm trying to set up a flow with a http-request node to send POST requests to an IP device on my network. However, I'm not getting a response back from the …

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## [Unexpected Behavior With Context v19.2](https://discourse.nodered.org/t/unexpected-behavior-with-context-v19-2/18515)

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**Author:** [@seth350](https://discourse.nodered.org/u/seth350)\
**Replies:** 1\
**Last updated:** [27 November 2019 17:07 UTC](https://discourse.nodered.org/t/unexpected-behavior-with-context-v19-2/18515 "2019-11-27T17:07:49Z")

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I tried to search for a similar issue but did not find anything. I have always thought that in order to change a flow context variable, you must use flow.set('myVar',123). It seems that in my instance, that is not true. …

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## [Strange problem with Grafana, InfluxDb and nodered](https://discourse.nodered.org/t/strange-problem-with-grafana-influxdb-and-nodered/18352)

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**Author:** [@user7](https://discourse.nodered.org/u/user7)\
**Replies:** 4\
**Last updated:** [27 November 2019 16:15 UTC](https://discourse.nodered.org/t/strange-problem-with-grafana-influxdb-and-nodered/18352 "2019-11-27T16:15:05Z")

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Hi, I have Nodered and Grafana connected and its working as it should. But I have problems with 1 sensor data, as it stops to work properly in grafana after around 1-2 days, when Grafana stops to get values from this p…

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## [Script to output a signal starting at a certain value](https://discourse.nodered.org/t/script-to-output-a-signal-starting-at-a-certain-value/18516)

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**Author:** [@DarkMission](https://discourse.nodered.org/u/DarkMission)\
**Replies:** 0\
**Last updated:** [27 November 2019 15:11 UTC](https://discourse.nodered.org/t/script-to-output-a-signal-starting-at-a-certain-value/18516 "2019-11-27T15:11:56Z")

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Hello, First of all, my english isn't the best. If you have any questions, please feel free to ask. I've connected a DHT22 to a Raspberry. This passes the humidity and temperature on to Apple Home. Now I would like to …

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## [How can i flash a led on 1hz?](https://discourse.nodered.org/t/how-can-i-flash-a-led-on-1hz/18512)

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**Author:** [@robbe](https://discourse.nodered.org/u/robbe)\
**Replies:** 3\
**Last updated:** [27 November 2019 13:56 UTC](https://discourse.nodered.org/t/how-can-i-flash-a-led-on-1hz/18512 "2019-11-27T13:56:42Z")

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Does someone now how i can flash my ligt on 1hz. I want to do it in a function. this is what i have for color, now i want to flash it on 1hz??

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## [Convert MSSQL in to XML file](https://discourse.nodered.org/t/convert-mssql-in-to-xml-file/18464)

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**Author:** [@pawelkon](https://discourse.nodered.org/u/pawelkon)\
**Replies:** 6\
**Last updated:** [27 November 2019 13:11 UTC](https://discourse.nodered.org/t/convert-mssql-in-to-xml-file/18464 "2019-11-27T13:11:14Z")

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Hello, I am working on project to query MS SQL and save as XML file, the XML file will be used by another software. I have manage to complete first task, but vendor who will be using XML file asked me to add additional…

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## [Create a Report file](https://discourse.nodered.org/t/create-a-report-file/18504)

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**Author:** [@Folgore](https://discourse.nodered.org/u/Folgore)\
**Replies:** 2\
**Last updated:** [27 November 2019 10:39 UTC](https://discourse.nodered.org/t/create-a-report-file/18504 "2019-11-27T10:39:57Z")

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Hi, is possible create a report file (pdf, doc...etc) with image, text and chart? Thank's.

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## [Incomplete read out from text string ( file )](https://discourse.nodered.org/t/incomplete-read-out-from-text-string-file/18492)

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**Author:** [@Hard-a-Port](https://discourse.nodered.org/u/Hard-a-Port)\
**Replies:** 3\
**Last updated:** [27 November 2019 09:00 UTC](https://discourse.nodered.org/t/incomplete-read-out-from-text-string-file/18492 "2019-11-27T09:00:57Z")

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Greetings. New to the node-red paltform ( and most else ) but was wanting to read a text file from a file and seemed to be getting only a part of it as output. Other text files read completely. This text file is a resul…

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## [Flow context property](https://discourse.nodered.org/t/flow-context-property/18471)

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**Author:** [@dsl400](https://discourse.nodered.org/u/dsl400)\
**Replies:** 5\
**Last updated:** [27 November 2019 08:57 UTC](https://discourse.nodered.org/t/flow-context-property/18471 "2019-11-27T08:57:18Z")

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it wold be nice to access flow context variable properties directly var bar = flow.get("foo.bar"); or var bar = flow.get("foo/bar");

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## [Store image in server](https://discourse.nodered.org/t/store-image-in-server/18500)

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**Author:** [@clique](https://discourse.nodered.org/u/clique)\
**Replies:** 0\
**Last updated:** [27 November 2019 08:45 UTC](https://discourse.nodered.org/t/store-image-in-server/18500 "2019-11-27T08:45:35Z")

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How can I store image in server ? When I upload images or videos I want those file store in server. I've already have POST flow so I want to add function that I can store those images or videos.

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## [Subflow as a function](https://discourse.nodered.org/t/subflow-as-a-function/18017)

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**Author:** [@Noneangel](https://discourse.nodered.org/u/Noneangel)\
**Replies:** 16\
**Last updated:** [27 November 2019 06:12 UTC](https://discourse.nodered.org/t/subflow-as-a-function/18017 "2019-11-27T06:12:47Z")

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I try to use a node N that expect its input as msg.payload. It bothers me because msg.payload already had information when it reaches N. So I surrounded this node to save the state of msg.payload, and restore it after N…

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## [Is anyone else using an MCP3008 with Buster?](https://discourse.nodered.org/t/is-anyone-else-using-an-mcp3008-with-buster/18261)

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**Author:** [@kocherjj](https://discourse.nodered.org/u/kocherjj)\
**Replies:** 5\
**Last updated:** [27 November 2019 05:18 UTC](https://discourse.nodered.org/t/is-anyone-else-using-an-mcp3008-with-buster/18261 "2019-11-27T05:18:36Z")

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I have a small breadboard project setup with a Pi 3 A+ that has been running for about a year, with an MCP3008 taking a reading from a photoresistor and driving a series of LEDs when the voltage changes more than a certa…

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## [How to change svg circle attribute based on msg.payload and msg.topic?](https://discourse.nodered.org/t/how-to-change-svg-circle-attribute-based-on-msg-payload-and-msg-topic/18366)

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**Author:** [@gr1nch](https://discourse.nodered.org/u/gr1nch)\
**Replies:** 12\
**Last updated:** [27 November 2019 00:35 UTC](https://discourse.nodered.org/t/how-to-change-svg-circle-attribute-based-on-msg-payload-and-msg-topic/18366 "2019-11-27T00:35:30Z")

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Hi, I've been struggling with this for hours, trawling this forum and the internet generally and trying things which have not worked, so any help would be greatly appreciated! I am trying to write code which will autom…

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## [TP Link HS100 Feedback](https://discourse.nodered.org/t/tp-link-hs100-feedback/18484)

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**Author:** [@MikeDrisc](https://discourse.nodered.org/u/MikeDrisc)\
**Replies:** 0\
**Last updated:** [26 November 2019 23:28 UTC](https://discourse.nodered.org/t/tp-link-hs100-feedback/18484 "2019-11-26T23:28:39Z")

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Hi All, Similar to this thread, I have two HS100 plugs working fine and I have an on and off button on a crestron panel to control them, I would however like the button to be "up to date" with feedback from the device. …

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## [Sending error or log message via MQTT](https://discourse.nodered.org/t/sending-error-or-log-message-via-mqtt/18461)

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**Author:** [@CodingMonkey](https://discourse.nodered.org/u/CodingMonkey)\
**Replies:** 1\
**Last updated:** [26 November 2019 22:30 UTC](https://discourse.nodered.org/t/sending-error-or-log-message-via-mqtt/18461 "2019-11-26T22:30:48Z")

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Hello, I implemented a Node-RED flow which act like a Gateway for the Watson IoT Platform. I connected the Gateway via MQTT node to the IoT platform in order to send data for multiple sensor devices to the platform. No…

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## [Storage value on Nas](https://discourse.nodered.org/t/storage-value-on-nas/18376)

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**Author:** [@ced](https://discourse.nodered.org/u/ced)\
**Replies:** 13\
**Last updated:** [26 November 2019 22:25 UTC](https://discourse.nodered.org/t/storage-value-on-nas/18376 "2019-11-26T22:25:17Z")

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Hello, I use Node red to communicate my raspberry pi with a esp8266. On this board I connected a temperature sensor and a led. Now I would like to storing my value on my Nas which is my network. How can I do? Best re…

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## [Nodes on sidebar cannot be drag-dropped](https://discourse.nodered.org/t/nodes-on-sidebar-cannot-be-drag-dropped/17953)

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**Author:** [@gokul](https://discourse.nodered.org/u/gokul)\
**Replies:** 5\
**Last updated:** [26 November 2019 19:35 UTC](https://discourse.nodered.org/t/nodes-on-sidebar-cannot-be-drag-dropped/17953 "2019-11-26T19:35:50Z")

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I'm having a weird problem. A bit of background first: I have a configuration node that gathers information of the current flow's nodes and calls some external APIs, after which another fresh flow is created with the add…

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## [\[firefox bug, closed\] Dropdown menus do not work (clean install)](https://discourse.nodered.org/t/firefox-bug-closed-dropdown-menus-do-not-work-clean-install/18466)

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**Author:** [@dcsouthwick](https://discourse.nodered.org/u/dcsouthwick)\
**Replies:** 4\
**Last updated:** [26 November 2019 15:27 UTC](https://discourse.nodered.org/t/firefox-bug-closed-dropdown-menus-do-not-work-clean-install/18466 "2019-11-26T15:27:53Z")

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Hello, I have a brand new install on Fedora, using the beginner install script (https://github.com/node-red/linux-installers) and none of the dropdown menus are viewable. I can 'select' them and use the arrow keys to so…

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## [Recording and replay of variable changes?](https://discourse.nodered.org/t/recording-and-replay-of-variable-changes/18450)

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**Author:** [@gr1nch](https://discourse.nodered.org/u/gr1nch)\
**Replies:** 7\
**Last updated:** [26 November 2019 14:43 UTC](https://discourse.nodered.org/t/recording-and-replay-of-variable-changes/18450 "2019-11-26T14:43:59Z")

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Hi, I'm very interested in logging changes to state variables with timestamps that can then be easily reused to review or replay the changes. Use case: replay a week's worth of my houselight's user-generated on-off dat…

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## [Dashboard failing on kubernetes cluster](https://discourse.nodered.org/t/dashboard-failing-on-kubernetes-cluster/18295)

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**Author:** [@danleighton](https://discourse.nodered.org/u/danleighton)\
**Replies:** 7\
**Last updated:** [26 November 2019 14:32 UTC](https://discourse.nodered.org/t/dashboard-failing-on-kubernetes-cluster/18295 "2019-11-26T14:32:25Z")

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Hi All, we are trying to figure out how to solve a problem... Stack is Google Kubernetes Engine + nginx reverse proxy + node red in docker pods deployed on the cluster consisting of GCP high mem servers. We are seeing t…

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## [Notification node with OK/Cancel and timeout](https://discourse.nodered.org/t/notification-node-with-ok-cancel-and-timeout/18384)

<div class="topic-metadata">

**Author:** [@darkdude](https://discourse.nodered.org/u/darkdude)\
**Replies:** 4\
**Last updated:** [26 November 2019 13:17 UTC](https://discourse.nodered.org/t/notification-node-with-ok-cancel-and-timeout/18384 "2019-11-26T13:17:23Z")

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Hello, I'm curious if it's possible to add timeout to notification node with OK/Cancel buttons or to control that node by simulating a button click (eg. by sending it a msg.). I'm developing an energy saving mode for m…

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## [Functie node Led strip+colors](https://discourse.nodered.org/t/functie-node-led-strip-colors/18455)

<div class="topic-metadata">

**Author:** [@robbe](https://discourse.nodered.org/u/robbe)\
**Replies:** 0\
**Last updated:** [26 November 2019 12:40 UTC](https://discourse.nodered.org/t/functie-node-led-strip-colors/18455 "2019-11-26T12:40:19Z")

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the nummeric choose the color as. 1 ---\> blue and 2---\> red but confirme it when i press the button . how do you do that ? led 1--\> payload 2 led 2--\> payload 4 led 3--\> payload 8 led 4--\> payload 16 led 5--\> payl…

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## [Wanting to update node on Ubuntu. Docs confusing](https://discourse.nodered.org/t/wanting-to-update-node-on-ubuntu-docs-confusing/18438)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 25\
**Last updated:** [26 November 2019 11:37 UTC](https://discourse.nodered.org/t/wanting-to-update-node-on-ubuntu-docs-confusing/18438 "2019-11-26T11:37:24Z")

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(Yes, I know I have asked before. And I am again asking.) It is a double edge sword for me that if I write something down as being the way to do it chances are it will be updated and/or changed. I am running NR on U…

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## [Increase timestamp](https://discourse.nodered.org/t/increase-timestamp/18452)

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**Author:** [@christian19](https://discourse.nodered.org/u/christian19)\
**Replies:** 3\
**Last updated:** [26 November 2019 11:59 UTC](https://discourse.nodered.org/t/increase-timestamp/18452 "2019-11-26T11:59:29Z")

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Hi! Im using a function node to set a time stamp. What I would like is to be able to manipulate the timestamp. Etc adding a hour. " new\_msg = { payload: { ontime: msg.payload.substr(0,5), offtime: msg.payload.subst…

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## [Batch actions (like node group disable or regex search+replace) possible?](https://discourse.nodered.org/t/batch-actions-like-node-group-disable-or-regex-search-replace-possible/18426)

<div class="topic-metadata">

**Author:** [@gr1nch](https://discourse.nodered.org/u/gr1nch)\
**Replies:** 1\
**Last updated:** [26 November 2019 11:54 UTC](https://discourse.nodered.org/t/batch-actions-like-node-group-disable-or-regex-search-replace-possible/18426 "2019-11-26T11:54:30Z")

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Hi, I was retiring some nodes (that may be of use somehow later on) to a "reserve" flow and wished to disable each node. With all nodes selected I tried to right click both with and without the shift key in case there …

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## [PIRs activating Security Lights](https://discourse.nodered.org/t/pirs-activating-security-lights/18427)

<div class="topic-metadata">

**Author:** [@gr1nch](https://discourse.nodered.org/u/gr1nch)\
**Replies:** 0\
**Last updated:** [26 November 2019 03:09 UTC](https://discourse.nodered.org/t/pirs-activating-security-lights/18427 "2019-11-26T03:09:27Z")

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This is a working flow of my security light system of: 4 x PIRs, each powering a Sonoff 4 x security lights, each powered by a Sonoff Why the decoupling and not just get 4 combined PIR/security lights? My use case is…

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