# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1342

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

**Page:** 1343

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## [Node-red exposure to node.js Event-Stream library malware?](https://discourse.nodered.org/t/node-red-exposure-to-node-js-event-stream-library-malware/5275)

<div class="topic-metadata">

**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 1\
**Last updated:** [28 November 2018 18:27 UTC](https://discourse.nodered.org/t/node-red-exposure-to-node-js-event-stream-library-malware/5275 "2018-11-28T18:27:29Z")

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Looks like Cryptocurrency theft malware has found its way into a node.js library: Event-Stream malware Do node-red users have any exposure?

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## [Remove node from Node-red](https://discourse.nodered.org/t/remove-node-from-node-red/5217)

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**Author:** [@pentadom](https://discourse.nodered.org/u/pentadom)\
**Replies:** 15\
**Last updated:** [28 November 2018 18:08 UTC](https://discourse.nodered.org/t/remove-node-from-node-red/5217 "2018-11-28T18:08:25Z")

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Hello! I'm running node-red (version v0.15.3) in a Multitech Conduit. I installed two different KNX nodes and on of them (or both) is returning an error: How can I know why the error is happening? Otherwise I'm try…

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## [Open a web browser with EXEC node](https://discourse.nodered.org/t/open-a-web-browser-with-exec-node/5163)

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**Author:** [@mike.gofton](https://discourse.nodered.org/u/mike.gofton)\
**Replies:** 8\
**Last updated:** [28 November 2018 11:49 UTC](https://discourse.nodered.org/t/open-a-web-browser-with-exec-node/5163 "2018-11-28T11:49:12Z")

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Hello, I'm attempting to use Node-Red to open a web browser UI on the Windows 10 PC which hosts Node-Red. I've tried using the EXEC node in spawn mode for this purpose with the command powershell start chrome, however …

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## [I cannot undertstand from where this error come!](https://discourse.nodered.org/t/i-cannot-undertstand-from-where-this-error-come/5243)

<div class="topic-metadata">

**Author:** [@naamah75](https://discourse.nodered.org/u/naamah75)\
**Replies:** 11\
**Last updated:** [28 November 2018 10:35 UTC](https://discourse.nodered.org/t/i-cannot-undertstand-from-where-this-error-come/5243 "2018-11-28T10:35:18Z")

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I get this error on the debug even if I set current flow and I select a new blank page. 27/11/2018, 17:58:58e2beba7b.4ba748 msg : error "Error: Pool is closed." I cannot undertstand from where this error come!

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## [How can I split buffer where received the specific byte](https://discourse.nodered.org/t/how-can-i-split-buffer-where-received-the-specific-byte/5084)

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**Author:** [@aargollo](https://discourse.nodered.org/u/aargollo)\
**Replies:** 32\
**Last updated:** [28 November 2018 09:04 UTC](https://discourse.nodered.org/t/how-can-i-split-buffer-where-received-the-specific-byte/5084 "2018-11-28T09:04:15Z")

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Hi Guys, i working on my interfacing program and I need to split the buffer received, from a serial communication, for each one message received. Each serial message have a start/stop byte structure: 0x01 - start 0x03…

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## [Updated Node-RED 0.19.5 = Waiting for missing types to be registered?](https://discourse.nodered.org/t/updated-node-red-0-19-5-waiting-for-missing-types-to-be-registered/5213)

<div class="topic-metadata">

**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 27\
**Last updated:** [28 November 2018 08:39 UTC](https://discourse.nodered.org/t/updated-node-red-0-19-5-waiting-for-missing-types-to-be-registered/5213 "2018-11-28T08:39:57Z")

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Hi, .I am using Linux XFCE I have updated Node-RED to latest version and updated Node.js to v8.13.0. I then restarted, but it stopped flows, because of SQLite node not compatible with Node.js to v8.13.0 ? I then chan…

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## [Node Status (like debug node) for function nodes?](https://discourse.nodered.org/t/node-status-like-debug-node-for-function-nodes/5245)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 4\
**Last updated:** [27 November 2018 23:56 UTC](https://discourse.nodered.org/t/node-status-like-debug-node-for-function-nodes/5245 "2018-11-27T23:56:14Z")

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Guys, Quite often with my flows i will put a debug node after a function node and click the property node status and just have it display the debug value on the screen (instead of in the debug window) - obviously this c…

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## [File truncated message](https://discourse.nodered.org/t/file-truncated-message/5223)

<div class="topic-metadata">

**Author:** [@tristan](https://discourse.nodered.org/u/tristan)\
**Replies:** 7\
**Last updated:** [27 November 2018 17:37 UTC](https://discourse.nodered.org/t/file-truncated-message/5223 "2018-11-27T17:37:42Z")

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Hi there, I'm new to this forum and new to node-red. I have a Raspberry Pi 3 B+ with node-red server running. I have a simple flow set up where tail watches a file for updates and sends a simple message to a gauge. The …

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## [No UDP Response from UDP Input Node](https://discourse.nodered.org/t/no-udp-response-from-udp-input-node/5244)

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**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\
**Replies:** 0\
**Last updated:** [27 November 2018 17:20 UTC](https://discourse.nodered.org/t/no-udp-response-from-udp-input-node/5244 "2018-11-27T17:20:23Z")

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I am working with a piece of equipment which requires me to send some UDP commands and then enable TCP communications after all the UDP commands are sent. The problem I am running into is that I am just waiting a specif…

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## [Clean Up Working Environment](https://discourse.nodered.org/t/clean-up-working-environment/5241)

<div class="topic-metadata">

**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\
**Replies:** 3\
**Last updated:** [27 November 2018 17:02 UTC](https://discourse.nodered.org/t/clean-up-working-environment/5241 "2018-11-27T17:02:29Z")

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Just looking for suggestions on a nice way to clean up my Node Red working environment. I have created a great number of Flows and Subflows doing R&D which I don't want to lose, but would like to get my Node Red tabs r…

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## [Googlechart = "Error stopping node: TypeError: Cannot read property 'get' of undefined"](https://discourse.nodered.org/t/googlechart-error-stopping-node-typeerror-cannot-read-property-get-of-undefined/5238)

<div class="topic-metadata">

**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 2\
**Last updated:** [27 November 2018 16:02 UTC](https://discourse.nodered.org/t/googlechart-error-stopping-node-typeerror-cannot-read-property-get-of-undefined/5238 "2018-11-27T16:02:46Z")

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Hi, I have installed node-red-contrib-googlechart And using the example given, i add this to NodeRED and when I deploy, i get this message in Debug ? "Error stopping node: TypeError: Cannot read property 'get' of unde…

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## [New Node is displayed as Flow in Library - error or my fault? - SOLVED](https://discourse.nodered.org/t/new-node-is-displayed-as-flow-in-library-error-or-my-fault-solved/3119)

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**Author:** [@cajonKA](https://discourse.nodered.org/u/cajonKA)\
**Replies:** 2\
**Last updated:** [27 November 2018 13:08 UTC](https://discourse.nodered.org/t/new-node-is-displayed-as-flow-in-library-error-or-my-fault-solved/3119 "2018-11-27T13:08:53Z")

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I added a new node (magichome-led node) to npm and it got automatically added to the Node Red Flow library. It is marked as NODE in the library, but it is colored in blue and when you click on it, it directs you to the…

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## [How to migrate node-red from Rpi to to Cloud](https://discourse.nodered.org/t/how-to-migrate-node-red-from-rpi-to-to-cloud/5205)

<div class="topic-metadata">

**Author:** [@aargollo](https://discourse.nodered.org/u/aargollo)\
**Replies:** 9\
**Last updated:** [27 November 2018 09:59 UTC](https://discourse.nodered.org/t/how-to-migrate-node-red-from-rpi-to-to-cloud/5205 "2018-11-27T09:59:32Z")

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Hi Guys, I already have my application running over node-red under Rpi3. I would like to implement it on node-red IBM Cloud, I have an account in bluemix. I tried to use node-red editor on IBM cloud an I got some proble…

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## [Catch Serial output and store it to MSSQL](https://discourse.nodered.org/t/catch-serial-output-and-store-it-to-mssql/5042)

<div class="topic-metadata">

**Author:** [@Conard](https://discourse.nodered.org/u/Conard)\
**Replies:** 33\
**Last updated:** [27 November 2018 08:31 UTC](https://discourse.nodered.org/t/catch-serial-output-and-store-it-to-mssql/5042 "2018-11-27T08:31:20Z")

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My task is to fetch serial port output (from Arduino), then push the output to the Microsoft SQL Database. My Arduino project is recording student attendance using fingerprint. Every time a student has scanned his finger…

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## [BMP180/BMP280 i2c nodes.. can't figure it out!](https://discourse.nodered.org/t/bmp180-bmp280-i2c-nodes-cant-figure-it-out/5160)

<div class="topic-metadata">

**Author:** [@NaturalBornCamper](https://discourse.nodered.org/u/NaturalBornCamper)\
**Replies:** 8\
**Last updated:** [26 November 2018 23:16 UTC](https://discourse.nodered.org/t/bmp180-bmp280-i2c-nodes-cant-figure-it-out/5160 "2018-11-26T23:16:49Z")

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Hello, I have i2c sensors on my RPi and downloaded all the BMP180 / BME280 / BMP280 i2c nodes but they all lack instructions and are all asking for a "command" which seems to be an integer. I tried sending various integ…

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## [\[Announce\] Dashboard version 2.10.0](https://discourse.nodered.org/t/announce-dashboard-version-2-10-0/4196)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 35\
**Last updated:** [26 November 2018 22:20 UTC](https://discourse.nodered.org/t/announce-dashboard-version-2-10-0/4196 "2018-11-26T22:20:10Z")

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I have just pushed a new version of Dashboard to npm Version 2.10.0 - now allows users to create their own simple widgets that can be installed like other nodes. To go along with this users can now choose to use the de…

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## [Trend line size](https://discourse.nodered.org/t/trend-line-size/5218)

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**Author:** [@Jasurf](https://discourse.nodered.org/u/Jasurf)\
**Replies:** 0\
**Last updated:** [26 November 2018 20:53 UTC](https://discourse.nodered.org/t/trend-line-size/5218 "2018-11-26T20:53:07Z")

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Is there a way to change the thickness of the trend lines in the chart?

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## [How To Make Logging Data Values in Chart](https://discourse.nodered.org/t/how-to-make-logging-data-values-in-chart/5019)

<div class="topic-metadata">

**Author:** [@wtrk](https://discourse.nodered.org/u/wtrk)\
**Replies:** 39\
**Last updated:** [26 November 2018 20:25 UTC](https://discourse.nodered.org/t/how-to-make-logging-data-values-in-chart/5019 "2018-11-26T20:25:54Z")

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Hi. I have flow and I can logging values in DB. But any specific time I want to choose with creating form node name and time specific ( Laser 1 - Last week values ) and make a graphic. So this is my next step. Thanks…

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## [A bit of help with font sizes on Dashboards](https://discourse.nodered.org/t/a-bit-of-help-with-font-sizes-on-dashboards/5155)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 10\
**Last updated:** [26 November 2018 18:07 UTC](https://discourse.nodered.org/t/a-bit-of-help-with-font-sizes-on-dashboards/5155 "2018-11-26T18:07:11Z")

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This isn't too important but it is a bit "niggily" for me. (See attached) All those buttons! Most of them are ok. Their names are visible. But then there are the ones with the yellow around them. The text is just …

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## [Get node's configuration information at runtime](https://discourse.nodered.org/t/get-nodes-configuration-information-at-runtime/5208)

<div class="topic-metadata">

**Author:** [@malinthasa](https://discourse.nodered.org/u/malinthasa)\
**Replies:** 2\
**Last updated:** [26 November 2018 16:22 UTC](https://discourse.nodered.org/t/get-nodes-configuration-information-at-runtime/5208 "2018-11-26T16:22:35Z")

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Hi, I am looking for a way to get a specific node's configuration information (ex: number of inputs, outputs) in the run-time from another node. Is there any admin API to do that? Regards, Malintha

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## [S7 Contrib vars to table](https://discourse.nodered.org/t/s7-contrib-vars-to-table/5033)

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**Author:** [@Wagner\_Amaral](https://discourse.nodered.org/u/Wagner_Amaral)\
**Replies:** 8\
**Last updated:** [25 November 2018 22:57 UTC](https://discourse.nodered.org/t/s7-contrib-vars-to-table/5033 "2018-11-25T22:57:18Z")

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Hy fellows; I'm learning about Node-red, I'm a PLC programer and I'm trying to make a simple table, what is the best way to perform it? "this is the flow..." \[{"id":"d4d0e1ed.32f82","type":"tab","label":"Flow 2"},{"id"…

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## [How to get OPCUA eventId ByteString value of events generated by IIoT OPCUA Event Listener node?](https://discourse.nodered.org/t/how-to-get-opcua-eventid-bytestring-value-of-events-generated-by-iiot-opcua-event-listener-node/5209)

<div class="topic-metadata">

**Author:** [@irmaheshwari96](https://discourse.nodered.org/u/irmaheshwari96)\
**Replies:** 0\
**Last updated:** [26 November 2018 13:21 UTC](https://discourse.nodered.org/t/how-to-get-opcua-eventid-bytestring-value-of-events-generated-by-iiot-opcua-event-listener-node/5209 "2018-11-26T13:21:09Z")

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Does anyone knows how to get the eventId i.e. of bytestring datatype of the events generated by the IIot-OPCUA-Event-Listener-Node ? If anyone knows about it please help !

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## [Check current dynamic IP then store it if it's new or update timestamp if it's not](https://discourse.nodered.org/t/check-current-dynamic-ip-then-store-it-if-its-new-or-update-timestamp-if-its-not/902)

<div class="topic-metadata">

**Author:** [@Noh](https://discourse.nodered.org/u/Noh)\
**Replies:** 14\
**Last updated:** [26 November 2018 11:40 UTC](https://discourse.nodered.org/t/check-current-dynamic-ip-then-store-it-if-its-new-or-update-timestamp-if-its-not/902 "2018-11-26T11:40:45Z")

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My in-laws are on DHCP, with their ISP but they occasionally need me to administer their OpenSuse desktop (yes, they’re on Linux). It takes several tens of minutes, every time to get them to find and reveal their WAN IP.…

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## [Display Wireless Temperature sensor readings in Dashboard using node red](https://discourse.nodered.org/t/display-wireless-temperature-sensor-readings-in-dashboard-using-node-red/5202)

<div class="topic-metadata">

**Author:** [@catchy65](https://discourse.nodered.org/u/catchy65)\
**Replies:** 2\
**Last updated:** [26 November 2018 09:53 UTC](https://discourse.nodered.org/t/display-wireless-temperature-sensor-readings-in-dashboard-using-node-red/5202 "2018-11-26T09:53:56Z")

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Hello, I am new Node-Red, I want to use the desktop client made for node red, I have a code in Embedded C for the wireless temperature sensor, I am trying to display the wireless sensor data in the Node red dashboard, …

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## [Cifs share by using exec node](https://discourse.nodered.org/t/cifs-share-by-using-exec-node/5185)

<div class="topic-metadata">

**Author:** [@jjj](https://discourse.nodered.org/u/jjj)\
**Replies:** 6\
**Last updated:** [26 November 2018 09:16 UTC](https://discourse.nodered.org/t/cifs-share-by-using-exec-node/5185 "2018-11-26T09:16:48Z")

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Hi, i am just looking for a solution, backing up my pi over my network. I have a windows server, which only starts for backup routines. What i would like to do is the following scenario: Every night the bigtimer node i…

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## [How can i append to PDF file in Node-Red?](https://discourse.nodered.org/t/how-can-i-append-to-pdf-file-in-node-red/5162)

<div class="topic-metadata">

**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 20\
**Last updated:** [25 November 2018 23:55 UTC](https://discourse.nodered.org/t/how-can-i-append-to-pdf-file-in-node-red/5162 "2018-11-25T23:55:33Z")

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I'm looking for solution on how can i append to a pdf file. The output 'file' of HTML-PDF node generate a new file every time i insert new line. The output "buffer" /"stream" save only the first insert. Is it possible to…

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## [Store data in pdf file](https://discourse.nodered.org/t/store-data-in-pdf-file/5136)

<div class="topic-metadata">

**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 5\
**Last updated:** [25 November 2018 19:18 UTC](https://discourse.nodered.org/t/store-data-in-pdf-file/5136 "2018-11-25T19:18:26Z")

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what i'am trying to do is to store data from a modal/form to pdf file. the problem is pdf only store the last insert. i only have one line in my file. i think the output 'file' of HTML-PDF node generate a new file every …

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## [Wemos Easy Megga](https://discourse.nodered.org/t/wemos-easy-megga/5166)

<div class="topic-metadata">

**Author:** [@chris1988](https://discourse.nodered.org/u/chris1988)\
**Replies:** 4\
**Last updated:** [25 November 2018 19:07 UTC](https://discourse.nodered.org/t/wemos-easy-megga/5166 "2018-11-25T19:07:16Z")

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Anyone else having problems with freezing up

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## [Wild Card questions file copy with fs-ops](https://discourse.nodered.org/t/wild-card-questions-file-copy-with-fs-ops/5181)

<div class="topic-metadata">

**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 13\
**Last updated:** [25 November 2018 18:48 UTC](https://discourse.nodered.org/t/wild-card-questions-file-copy-with-fs-ops/5181 "2018-11-25T18:48:22Z")

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I had an accident with a corrupt (brand new!) SD card in one of my Pi's today, and I didn't have backups of the three hours I worked on Node-RED and Home Assistant yesterday. Luckily I managed to mount the card in a read…

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## [Help with multiple inputs to a function node!](https://discourse.nodered.org/t/help-with-multiple-inputs-to-a-function-node/1608)

<div class="topic-metadata">

**Author:** [@kevinshane](https://discourse.nodered.org/u/kevinshane)\
**Replies:** 25\
**Last updated:** [25 November 2018 16:25 UTC](https://discourse.nodered.org/t/help-with-multiple-inputs-to-a-function-node/1608 "2018-11-25T16:25:02Z")

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So sorry for the noob question, pretty new in node red, but please help! I have 2 incoming items which reports stats, I would like to compare these 2 values and then outputs the msg.payload to a single string say ON or …

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