# Latest

**URL:** https://discourse.nodered.org/latest.md?page=869

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

**Page:** 870

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## [Date/time based processing](https://discourse.nodered.org/t/date-time-based-processing/13241)

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**Author:** [@martinschki](https://discourse.nodered.org/u/martinschki)\
**Replies:** 8\
**Last updated:** [5 March 2021 12:13 UTC](https://discourse.nodered.org/t/date-time-based-processing/13241 "2021-03-05T12:13:40Z")

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I'm looking for a way to enable or disable processing or flows based on time of day or dates or vars. Example: I want audio feedback only during daytime and not while I'm sleeping. I want to turn certain task off …

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## [Run container from node-red](https://discourse.nodered.org/t/run-container-from-node-red/42054)

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**Author:** [@henrycosta05](https://discourse.nodered.org/u/henrycosta05)\
**Replies:** 3\
**Last updated:** [5 March 2021 11:26 UTC](https://discourse.nodered.org/t/run-container-from-node-red/42054 "2021-03-05T11:26:39Z")

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Hi Guys, I have a case, I'd like to know if you have some example to run container from node-red. context: I'm extracting information from API and it's running; storing it in a .xlsx file; After that i'd like run a …

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## [How to enable an OPC UA Server running in an Azure Container Instance?](https://discourse.nodered.org/t/how-to-enable-an-opc-ua-server-running-in-an-azure-container-instance/42080)

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**Author:** [@tobiaspe](https://discourse.nodered.org/u/tobiaspe)\
**Replies:** 0\
**Last updated:** [5 March 2021 10:25 UTC](https://discourse.nodered.org/t/how-to-enable-an-opc-ua-server-running-in-an-azure-container-instance/42080 "2021-03-05T10:25:46Z")

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I am building an IIoT demo bundle using Factory IO, an OPC UA Server and additional edge computing SW to retrieve relevant OPC UA tags. I found that the easiest, most controllable way to set up an OPC UA Server is by us…

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## [Displaying annotated image on the dashboard](https://discourse.nodered.org/t/displaying-annotated-image-on-the-dashboard/42056)

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**Author:** [@bird](https://discourse.nodered.org/u/bird)\
**Replies:** 1\
**Last updated:** [5 March 2021 09:30 UTC](https://discourse.nodered.org/t/displaying-annotated-image-on-the-dashboard/42056 "2021-03-05T09:30:16Z")

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I use the annotate image function to print letters and squares. It works well. But I want to show it on the dashboard. What should I do? thanks \[{"id":"78ab1fb9.2c8c7","type":"tab","label":"Flow 3","disabled":false…

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## [Read content of highest object value](https://discourse.nodered.org/t/read-content-of-highest-object-value/41953)

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**Author:** [@Spyker](https://discourse.nodered.org/u/Spyker)\
**Replies:** 5\
**Last updated:** [5 March 2021 09:18 UTC](https://discourse.nodered.org/t/read-content-of-highest-object-value/41953 "2021-03-05T09:18:14Z")

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Hi all, I'm creating a flow to sent my daily profits to a spreadsheet, but the thing is, every day a new entry is added to payload.extra.dailyTCVStats. So I need to read the TCV value within the highest object value ( i…

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## [How to know the sending status of mqtt](https://discourse.nodered.org/t/how-to-know-the-sending-status-of-mqtt/41921)

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**Author:** [@xiataya](https://discourse.nodered.org/u/xiataya)\
**Replies:** 11\
**Last updated:** [5 March 2021 09:13 UTC](https://discourse.nodered.org/t/how-to-know-the-sending-status-of-mqtt/41921 "2021-03-05T09:13:22Z")

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In a Daq project ,I use mqtt to sending some data to broker. If sent failed, the data was to be stored locally. The question is how to detect the data was sent to mqtt is failed?(individual)I must make sure that every …

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## [Ge Fanuc 90-30 plc](https://discourse.nodered.org/t/ge-fanuc-90-30-plc/42070)

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**Author:** [@Senthil567](https://discourse.nodered.org/u/Senthil567)\
**Replies:** 1\
**Last updated:** [5 March 2021 08:55 UTC](https://discourse.nodered.org/t/ge-fanuc-90-30-plc/42070 "2021-03-05T08:55:10Z")

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Hi, We are using GE Fanuc 90-30 plc it has GE-SRTP protocol TCP/IP Ethernet communications what nodes can be used to fetch datas from the registers can anyone help us , Thankyou

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## [In which js can i find shortcut Keys related code?](https://discourse.nodered.org/t/in-which-js-can-i-find-shortcut-keys-related-code/41924)

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**Author:** [@dhpatel177](https://discourse.nodered.org/u/dhpatel177)\
**Replies:** 3\
**Last updated:** [5 March 2021 08:00 UTC](https://discourse.nodered.org/t/in-which-js-can-i-find-shortcut-keys-related-code/41924 "2021-03-05T08:00:44Z")

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Hello, As i want to disable(Unassigned) some of short cut keys and keep enable some keys. Can u plese help me out where can i find shortcut keys related code and how should i do that? P.S. earlier i asked this question…

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## [Change the Gauge result corresponding to the option in dropdown](https://discourse.nodered.org/t/change-the-gauge-result-corresponding-to-the-option-in-dropdown/42027)

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**Author:** [@huuthang911](https://discourse.nodered.org/u/huuthang911)\
**Replies:** 2\
**Last updated:** [5 March 2021 07:48 UTC](https://discourse.nodered.org/t/change-the-gauge-result-corresponding-to-the-option-in-dropdown/42027 "2021-03-05T07:48:19Z")

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I want to changing gauge value corresponding to the value in dropdown node. But in the value of edit dropdown table i don't know how to chose another value

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## [Node.js reinstalled NPM failed](https://discourse.nodered.org/t/node-js-reinstalled-npm-failed/41934)

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**Author:** [@NodeC](https://discourse.nodered.org/u/NodeC)\
**Replies:** 2\
**Last updated:** [5 March 2021 05:58 UTC](https://discourse.nodered.org/t/node-js-reinstalled-npm-failed/41934 "2021-03-05T05:58:56Z")

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C:\\Users\\Didactic Laptop 02\>npm install -g --unsafe-perm node-red npm ERR! Cannot read property 'resolve' of undefined npm ERR! A complete log of this run can be found in: npm ERR! C:\\Users\\Didactic Laptop 02\\AppD…

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## [Node-red on Beaglebone Green issues](https://discourse.nodered.org/t/node-red-on-beaglebone-green-issues/42058)

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**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 0\
**Last updated:** [5 March 2021 04:31 UTC](https://discourse.nodered.org/t/node-red-on-beaglebone-green-issues/42058 "2021-03-05T04:31:02Z")

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Long story short, my old Beaglebone died and I replaced it with a Beaglebone Green since the "White" is no longer available. I had to make an interface adaptor to move 16 gpio pins from P8 connector to unused ones on P9…

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## [How do you keep the data even if the page changes?](https://discourse.nodered.org/t/how-do-you-keep-the-data-even-if-the-page-changes/41923)

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**Author:** [@bird](https://discourse.nodered.org/u/bird)\
**Replies:** 2\
**Last updated:** [5 March 2021 01:33 UTC](https://discourse.nodered.org/t/how-do-you-keep-the-data-even-if-the-page-changes/41923 "2021-03-05T01:33:40Z")

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Hi Like the flow above, it receives a value with mqtt and displays light on/off on the svg map. It works well without any problems. However, after moving to another tab (pages), the data is initialized when it comes…

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## [\[NEW FEATURE\] node-red-contrib-simple-gate (version 0.5.0)](https://discourse.nodered.org/t/new-feature-node-red-contrib-simple-gate-version-0-5-0/42053)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 0\
**Last updated:** [4 March 2021 23:07 UTC](https://discourse.nodered.org/t/new-feature-node-red-contrib-simple-gate-version-0-5-0/42053 "2021-03-04T23:07:38Z")

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This update enhances the capability for persistence of the node state, first introduced in version 0.2.0. Previously, only the default context store was used when the Restore from state saved in option was enabled. As a …

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## [Two pi's, two Node-Reds](https://discourse.nodered.org/t/two-pis-two-node-reds/42051)

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**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\
**Replies:** 2\
**Last updated:** [4 March 2021 22:45 UTC](https://discourse.nodered.org/t/two-pis-two-node-reds/42051 "2021-03-04T22:45:44Z")

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Hi All, Bought a 2nd pi and have duplicated my original system to it. Can I simply change the port number to, say 1881, and access both independently? Russ

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## [Why Node-red debug node doesn't show my MQTT message?](https://discourse.nodered.org/t/why-node-red-debug-node-doesnt-show-my-mqtt-message/42003)

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**Author:** [@edwardradical](https://discourse.nodered.org/u/edwardradical)\
**Replies:** 2\
**Last updated:** [4 March 2021 22:18 UTC](https://discourse.nodered.org/t/why-node-red-debug-node-doesnt-show-my-mqtt-message/42003 "2021-03-04T22:18:49Z")

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Hi guys, I'm trying to send data from my Wemos to Node-red via MQTT. I created a nested object I want to send to MQTT. From the serial of Arduino IDE the output is this: \[{"AcX":-1,"AcY":-1,"AcZ":-1},{"AcX":-1,"AcY":-1,…

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## [Help for newbie](https://discourse.nodered.org/t/help-for-newbie/41977)

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**Author:** [@patofoto](https://discourse.nodered.org/u/patofoto)\
**Replies:** 12\
**Last updated:** [4 March 2021 21:52 UTC](https://discourse.nodered.org/t/help-for-newbie/41977 "2021-03-04T21:52:58Z")

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Apologies for the simple question. I know it will probably have a basic answer. I tried looking over the forum but I am sure I am not searching for the right thing. I want to show a phone's position on a map. The map no…

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## [Proxy port 1880 behind Apache](https://discourse.nodered.org/t/proxy-port-1880-behind-apache/42045)

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**Author:** [@jtaylor](https://discourse.nodered.org/u/jtaylor)\
**Replies:** 5\
**Last updated:** [4 March 2021 21:26 UTC](https://discourse.nodered.org/t/proxy-port-1880-behind-apache/42045 "2021-03-04T21:26:16Z")

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I need to proxy the Node-RED console (http://host\_name:1880) behind Apache. The page comes down fine, but all of the resources required by the page fail with: Status Code: 502 Proxy error - Remote Address: (Apache IP) …

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## [Logging multiple MQTT sources to CSV](https://discourse.nodered.org/t/logging-multiple-mqtt-sources-to-csv/41980)

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**Author:** [@siado](https://discourse.nodered.org/u/siado)\
**Replies:** 4\
**Last updated:** [4 March 2021 20:59 UTC](https://discourse.nodered.org/t/logging-multiple-mqtt-sources-to-csv/41980 "2021-03-04T20:59:51Z")

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Greetings all. I've read a few threads on logging to CSV and sort of have the gist. What I'm trying to determine is the appropriate methodology to meet my goal. Data source: Cogeneration plant with many possible sens…

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## [Adding Health/Status Endpoint to Admin API](https://discourse.nodered.org/t/adding-health-status-endpoint-to-admin-api/42041)

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**Author:** [@szep](https://discourse.nodered.org/u/szep)\
**Replies:** 2\
**Last updated:** [4 March 2021 20:18 UTC](https://discourse.nodered.org/t/adding-health-status-endpoint-to-admin-api/42041 "2021-03-04T20:18:56Z")

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My team would like to extend the express API to add a very basic health endpoint and potentially a status endpoint that returns info on the status of nodes akin to the functionality of the status node. We realize we cou…

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## [OPC UA IIoT Read: BadTooManyOperations](https://discourse.nodered.org/t/opc-ua-iiot-read-badtoomanyoperations/41966)

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**Author:** [@FourDragon](https://discourse.nodered.org/u/FourDragon)\
**Replies:** 3\
**Last updated:** [4 March 2021 20:15 UTC](https://discourse.nodered.org/t/opc-ua-iiot-read-badtoomanyoperations/41966 "2021-03-04T20:15:15Z")

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Hello everybody, Actually, I have something very simple in mind: I have a Siemens S7-1200 PLC with an OPC UA server, from this I want to read a set x of variables with their values. The whole thing is structured as fol…

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## [Which apps can be installed and used together with Node Red on a Raspberry?](https://discourse.nodered.org/t/which-apps-can-be-installed-and-used-together-with-node-red-on-a-raspberry/42042)

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**Author:** [@Bill55](https://discourse.nodered.org/u/Bill55)\
**Replies:** 0\
**Last updated:** [4 March 2021 18:11 UTC](https://discourse.nodered.org/t/which-apps-can-be-installed-and-used-together-with-node-red-on-a-raspberry/42042 "2021-03-04T18:11:16Z")

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I want to share ioBroker, Node Red, rhasspy and voice2json on a Raspberry 4 with 4GB with 2021-01-11-raspios-buster-armhf-lite on 16GB SD card. USB-Mic and headphone-jack. I use kaldi and german. After I installed at l…

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## [Multi State switch](https://discourse.nodered.org/t/multi-state-switch/41952)

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**Author:** [@HZB](https://discourse.nodered.org/u/HZB)\
**Replies:** 7\
**Last updated:** [4 March 2021 17:46 UTC](https://discourse.nodered.org/t/multi-state-switch/41952 "2021-03-04T17:46:06Z")

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I am using multi state switch. Here's my flow for one machine \[ { "id": "1806afa.227f25", "type": "ui\_svg\_graphics", "z": "935db92.1ef9548", "group": "64754f4c.b5122", "order"…

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## [\[ANNOUNCE\] node-red-contrib-ui-multistate-switch: v1.1.0 beta](https://discourse.nodered.org/t/announce-node-red-contrib-ui-multistate-switch-v1-1-0-beta/41265)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 40\
**Last updated:** [4 March 2021 17:45 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-multistate-switch-v1-1-0-beta/41265 "2021-03-04T17:45:13Z")

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Hi folks, @hotNipi and I are very pleased to announce the 1.1.0 beta version of the node-red-contrib-ui-multistate-switch node, which contains the following new features: It is possible on the config screen to choose…

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## [Dashboard is running slow on Tablet](https://discourse.nodered.org/t/dashboard-is-running-slow-on-tablet/42030)

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**Author:** [@HZB](https://discourse.nodered.org/u/HZB)\
**Replies:** 4\
**Last updated:** [4 March 2021 17:25 UTC](https://discourse.nodered.org/t/dashboard-is-running-slow-on-tablet/42030 "2021-03-04T17:25:43Z")

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Hi, I am using Node-Red on R Pi. When i access dashboard from my desktop it works perfectly fine. But when I try to use it from my tablet is damn slow or I can say no response to the buttons etc. I am using Samsung Gal…

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## [Posting PDF-files multipart/form-data](https://discourse.nodered.org/t/posting-pdf-files-multipart-form-data/42033)

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**Author:** [@KjellBrandes](https://discourse.nodered.org/u/KjellBrandes)\
**Replies:** 0\
**Last updated:** [4 March 2021 16:43 UTC](https://discourse.nodered.org/t/posting-pdf-files-multipart-form-data/42033 "2021-03-04T16:43:48Z")

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I have a problem when trying to post a PDF-file in multipart/form-data. Below code in a function node: msg.headers = {}; msg.headers\['Content-Type'\] = "multipart/form-data; boundary=------------------------d74496d66958…

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## [Delay and trigger reset after a deploy](https://discourse.nodered.org/t/delay-and-trigger-reset-after-a-deploy/42029)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 4\
**Last updated:** [4 March 2021 16:33 UTC](https://discourse.nodered.org/t/delay-and-trigger-reset-after-a-deploy/42029 "2021-03-04T16:33:16Z")

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I noticed that every trigger or delay in use (I mean: running their time count) are reset and stopped during a deploy. Now, I have many flows deployed and running, while continuing programming other flows, so this behav…

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## [Do link nodes take time to pass messages?](https://discourse.nodered.org/t/do-link-nodes-take-time-to-pass-messages/41976)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 6\
**Last updated:** [4 March 2021 16:10 UTC](https://discourse.nodered.org/t/do-link-nodes-take-time-to-pass-messages/41976 "2021-03-04T16:10:10Z")

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I am trying to analyse a possible race condition. Do link nodes take time to process or are they virtual wires so messages go direct from one end to the other? If they take time to process do link in and out each take …

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## [Send payload value to node](https://discourse.nodered.org/t/send-payload-value-to-node/3994)

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**Author:** [@SKL](https://discourse.nodered.org/u/SKL)\
**Replies:** 6\
**Last updated:** [4 March 2021 16:04 UTC](https://discourse.nodered.org/t/send-payload-value-to-node/3994 "2021-03-04T16:04:07Z")

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Hi I want to send the value in payload to a node, i can send a fixed value, but can't figure out how to send the payload value. What do I miss?

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## [Modbus server response 0. 0](https://discourse.nodered.org/t/modbus-server-response-0-0/42026)

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**Author:** [@Theboatbuilder](https://discourse.nodered.org/u/Theboatbuilder)\
**Replies:** 0\
**Last updated:** [4 March 2021 15:55 UTC](https://discourse.nodered.org/t/modbus-server-response-0-0/42026 "2021-03-04T15:55:37Z")

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Hi All Would appreciate a reality check to ascertain why I'm getting anything from the server (relatively new to this)....Many thanks in advance

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## [Node-red-contrib-xbee](https://discourse.nodered.org/t/node-red-contrib-xbee/42024)

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**Author:** [@Rezcue](https://discourse.nodered.org/u/Rezcue)\
**Replies:** 1\
**Last updated:** [4 March 2021 15:48 UTC](https://discourse.nodered.org/t/node-red-contrib-xbee/42024 "2021-03-04T15:48:22Z")

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Hello Does anyone have some experience with node-red-contrib-xbee. Can i just plug my Coordinator (Xbee S2C) via USB to my Pi and work with it?

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