# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1385

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

**Page:** 1386

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## [Running node-red offline](https://discourse.nodered.org/t/running-node-red-offline/1177)

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**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 1\
**Last updated:** [29 June 2018 08:32 UTC](https://discourse.nodered.org/t/running-node-red-offline/1177 "2018-06-29T08:32:01Z")

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Is it possible to run node-red without internet access? I want to do some simple file handling on a system without internet access, the only mean that i ll use for communication is bluetooth. Also i want to ask if there …

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## [RED.library.register usage](https://discourse.nodered.org/t/red-library-register-usage/1175)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 2\
**Last updated:** [29 June 2018 07:05 UTC](https://discourse.nodered.org/t/red-library-register-usage/1175 "2018-06-29T07:05:19Z")

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Hi folks, I was wondering what RED.library.register is used for, and how we can use it when designing a custom node. For example in the function node, this code snippet can be found: RED.library.register("functions");…

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## [Disk free in raspberry pi](https://discourse.nodered.org/t/disk-free-in-raspberry-pi/1156)

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**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\
**Replies:** 10\
**Last updated:** [28 June 2018 16:11 UTC](https://discourse.nodered.org/t/disk-free-in-raspberry-pi/1156 "2018-06-28T16:11:12Z")

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Good afternoon In order to have the free disk left over control … If I make df -h I get as return: Filesystem Size Used Avail Use% Mounted on /dev/root 15G 6.6G 7.0G 49% / devtmpfs 460M 0 …

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## [How to call Node-red flow from Java](https://discourse.nodered.org/t/how-to-call-node-red-flow-from-java/1135)

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**Author:** [@somilkhandelwalwork](https://discourse.nodered.org/u/somilkhandelwalwork)\
**Replies:** 7\
**Last updated:** [28 June 2018 11:00 UTC](https://discourse.nodered.org/t/how-to-call-node-red-flow-from-java/1135 "2018-06-28T11:00:38Z")

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Do you guys have any idea about how to call Node-red particular flow from Java? Thanks for the help in advance!

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## [Setting up Project feature](https://discourse.nodered.org/t/setting-up-project-feature/1127)

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**Author:** [@hary](https://discourse.nodered.org/u/hary)\
**Replies:** 5\
**Last updated:** [28 June 2018 07:58 UTC](https://discourse.nodered.org/t/setting-up-project-feature/1127 "2018-06-28T07:58:25Z")

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I’d like setting up project feature but it doesn’t appear as it should. “history” tab doesn’t show up ! I modified my settings.js file like so, but not sure at all if it’s well done ! Node-RED version: v0.17.5 Node.js…

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## [IoT Hub Microsoft Azure Syntax](https://discourse.nodered.org/t/iot-hub-microsoft-azure-syntax/1121)

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**Author:** [@BowenWT](https://discourse.nodered.org/u/BowenWT)\
**Replies:** 8\
**Last updated:** [28 June 2018 07:57 UTC](https://discourse.nodered.org/t/iot-hub-microsoft-azure-syntax/1121 "2018-06-28T07:57:19Z")

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I am trying to get my data into my IoT Hub on Azure from a Modbus signal. My flow is as follows: \[{"id":"a40d774a.bf8648","type":"azureiothub","z":"53f246d7.f619f8","name":"Azure IoT Hub","protocol":"mqtt","x":780,"y":…

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## [Converting Modbus registers to ASCII string](https://discourse.nodered.org/t/converting-modbus-registers-to-ascii-string/1010)

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**Author:** [@arriflex](https://discourse.nodered.org/u/arriflex)\
**Replies:** 6\
**Last updated:** [28 June 2018 07:27 UTC](https://discourse.nodered.org/t/converting-modbus-registers-to-ascii-string/1010 "2018-06-28T07:27:12Z")

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I’m sure there must be an easy way to convert contiguous Modbus registers to a string since the debug window is showing me exactly what I want! Background: Using a Modbus-Flex-Getter to read 8 contiguous registers which …

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## [Exporting/Importing flows](https://discourse.nodered.org/t/exporting-importing-flows/1134)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [28 June 2018 06:47 UTC](https://discourse.nodered.org/t/exporting-importing-flows/1134 "2018-06-28T06:47:02Z")

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When in NR, and you want to export a few nodes you can select them and click on the menu and say EXPORT TO CLIPBOARD. Doing that, the paste button is already pressed and the contents are there. Recently I have been imp…

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## [The LIBRARY where all the nodes are shown/listed](https://discourse.nodered.org/t/the-library-where-all-the-nodes-are-shown-listed/1133)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [28 June 2018 06:12 UTC](https://discourse.nodered.org/t/the-library-where-all-the-nodes-are-shown-listed/1133 "2018-06-28T06:12:57Z")

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Quick (dumb) question: At the site: https://flows.nodered.org/?num\_pages=1 There are 3 options for SORT BY: Recent Downloads Ratings. May I suggest a fourth: Alphabetical I know it sounds silly, but if you are …

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## [Contribute improvement to node-red-node-wemo: return InsightParams in WemoLookup](https://discourse.nodered.org/t/contribute-improvement-to-node-red-node-wemo-return-insightparams-in-wemolookup/1130)

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**Author:** [@jenavarro](https://discourse.nodered.org/u/jenavarro)\
**Replies:** 0\
**Last updated:** [28 June 2018 02:19 UTC](https://discourse.nodered.org/t/contribute-improvement-to-node-red-node-wemo-return-insightparams-in-wemolookup/1130 "2018-06-28T02:19:05Z")

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Hello, When using the node-red-node-wemo set of nodes, I found a discrepancy in the returned information by the wemo nodes, and I would like to fix that with a Pull Request. I have the code ready but before submitting t…

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## [SOLVED: CSV Nodes Creates Triple Quotations](https://discourse.nodered.org/t/solved-csv-nodes-creates-triple-quotations/1112)

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**Author:** [@Coderkido](https://discourse.nodered.org/u/Coderkido)\
**Replies:** 6\
**Last updated:** [27 June 2018 23:20 UTC](https://discourse.nodered.org/t/solved-csv-nodes-creates-triple-quotations/1112 "2018-06-27T23:20:03Z")

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I need to store a value into CSV as “Value”, but when I add delimited quotations in a function node value, send through the csv node and store into a file, if I open the resulting file in Notepad I get “”“Value”"" but if…

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## [Function code Inside settings.js](https://discourse.nodered.org/t/function-code-inside-settings-js/841)

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**Author:** [@aco7342](https://discourse.nodered.org/u/aco7342)\
**Replies:** 2\
**Last updated:** [27 June 2018 22:23 UTC](https://discourse.nodered.org/t/function-code-inside-settings-js/841 "2018-06-27T22:23:05Z")

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Sorry for my poor english… I have a function created inside settings using promisses and i need return async msg. howto make work? PortaPinPad = (msg,os) =\> { return new Promise((resolve, reject) =\> { SerialPort.list…

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## [STRING node - stuck SOLVED! Sorry!](https://discourse.nodered.org/t/string-node-stuck-solved-sorry/1110)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [27 June 2018 22:12 UTC](https://discourse.nodered.org/t/string-node-stuck-solved-sorry/1110 "2018-06-27T22:12:58Z")

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Sorry folks. Seems the elephant is back in the room. This is the bare bones of what I am wanting to do: \[{"id":"77182547.31a85c","type":"string","z":"d52027c9.60c9f8","name":"","methods":\[{"name":"chompLeft","params":…

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## [My Node-red doesn't work any more after some changes](https://discourse.nodered.org/t/my-node-red-doesnt-work-any-more-after-some-changes/1126)

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**Author:** [@hary](https://discourse.nodered.org/u/hary)\
**Replies:** 5\
**Last updated:** [27 June 2018 20:17 UTC](https://discourse.nodered.org/t/my-node-red-doesnt-work-any-more-after-some-changes/1126 "2018-06-27T20:17:07Z")

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I changed something on my node-red and now I can’t get it working back again. I can’t remember what I changed that I didn’t change back to initial ! \[{"id":"48008912.e789","type":"inject","z":"aa8f5fa1.bc60d8","name":"…

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## [IoT Hub crashed Node-red](https://discourse.nodered.org/t/iot-hub-crashed-node-red/1123)

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**Author:** [@BowenWT](https://discourse.nodered.org/u/BowenWT)\
**Replies:** 4\
**Last updated:** [27 June 2018 15:19 UTC](https://discourse.nodered.org/t/iot-hub-crashed-node-red/1123 "2018-06-27T15:19:52Z")

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My server has now crashed from this flow: \[{"id":"beb2fc2f.9da3b","type":"tcp in","z":"53f246d7.f619f8","name":"","server":"client","host":"xxx","port":"xxx","datamode":"stream","datatype":"utf8","newline":"","topic":"W…

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## [Type Error "list" Argument must be an Array](https://discourse.nodered.org/t/type-error-list-argument-must-be-an-array/1094)

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**Author:** [@BowenWT](https://discourse.nodered.org/u/BowenWT)\
**Replies:** 9\
**Last updated:** [27 June 2018 14:32 UTC](https://discourse.nodered.org/t/type-error-list-argument-must-be-an-array/1094 "2018-06-27T14:32:14Z")

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Hi there, I applied a buffer in my node-red flow and have now encountered this problem in my CMD window, stopping the node-red server: 26 Jun 09:01:09 - TypeError: “list” argument must be an Array of Buffer or Uint8Arr…

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## [Uninstall Node-Red](https://discourse.nodered.org/t/uninstall-node-red/946)

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**Author:** [@youthtech](https://discourse.nodered.org/u/youthtech)\
**Replies:** 14\
**Last updated:** [27 June 2018 08:33 UTC](https://discourse.nodered.org/t/uninstall-node-red/946 "2018-06-27T08:33:03Z")

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Hi, I uninstall all the node red modules, I already uninstall node js and deleting node modules in my pc. when I reinstall it back, i did not get a new node red, the old one still in used and i could not remove the node…

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## [Nore-red and Web Sockets: How to check connection?](https://discourse.nodered.org/t/nore-red-and-web-sockets-how-to-check-connection/891)

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**Author:** [@vongomben](https://discourse.nodered.org/u/vongomben)\
**Replies:** 3\
**Last updated:** [27 June 2018 06:37 UTC](https://discourse.nodered.org/t/nore-red-and-web-sockets-how-to-check-connection/891 "2018-06-27T06:37:43Z")

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Hi Nore-red people. I’m really excited from the possiblites node red has. I’m trying to have node-red controlling a program called WatchOut I’ve found a working javascript code and when I tried to migrate it to node-r…

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## [Giving wrong unix time back](https://discourse.nodered.org/t/giving-wrong-unix-time-back/1101)

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**Author:** [@YT2310](https://discourse.nodered.org/u/YT2310)\
**Replies:** 2\
**Last updated:** [27 June 2018 06:25 UTC](https://discourse.nodered.org/t/giving-wrong-unix-time-back/1101 "2018-06-27T06:25:25Z")

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hello, I got a Problem with the following flow \[{"id":"c83c9bc7.3128b","type":"inject","z":"f2b41c94.70381","name":"","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"x":180,"y":1480…

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## [Dashboard question with lists](https://discourse.nodered.org/t/dashboard-question-with-lists/1107)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [27 June 2018 02:32 UTC](https://discourse.nodered.org/t/dashboard-question-with-lists/1107 "2018-06-27T02:32:20Z")

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Hi again folks. I’ve had a bit of a break, but now am back. I am “stuck” with the request to show a list of “events” (messages) on a screen and have them shown something like this: (see code) \[{"id":"65665c0d.74b864…

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## [Configuration pencil icon missing from third party node. How to debug?](https://discourse.nodered.org/t/configuration-pencil-icon-missing-from-third-party-node-how-to-debug/1055)

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**Author:** [@fahrvergnuugen](https://discourse.nodered.org/u/fahrvergnuugen)\
**Replies:** 20\
**Last updated:** [27 June 2018 01:29 UTC](https://discourse.nodered.org/t/configuration-pencil-icon-missing-from-third-party-node-how-to-debug/1055 "2018-06-27T01:29:29Z")

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I want to use a third party node which connects to a websocket of an ISY994i. This node requires configuration, however the pencil icon used to open the config panel is missing and I can't figure out why. I submitted th…

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## [Help needed for errors and behaviour not understood](https://discourse.nodered.org/t/help-needed-for-errors-and-behaviour-not-understood/1077)

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**Author:** [@hary](https://discourse.nodered.org/u/hary)\
**Replies:** 12\
**Last updated:** [26 June 2018 18:13 UTC](https://discourse.nodered.org/t/help-needed-for-errors-and-behaviour-not-understood/1077 "2018-06-26T18:13:38Z")

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I have this node: \[{"id":"6a0bb249.a7d50c","type":"serial in","z":"2788693.17e8d16","name":"","serial":"9939954d.414a","x":75,"y":110.00000762939453,"wires":\[\["ecfc3405.1f6968"\]\]},{"id":"e4698ad2.53ac","type":"debug","z…

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## [Urgent Help convert syslog to Json](https://discourse.nodered.org/t/urgent-help-convert-syslog-to-json/1081)

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**Author:** [@javier1991](https://discourse.nodered.org/u/javier1991)\
**Replies:** 6\
**Last updated:** [26 June 2018 17:57 UTC](https://discourse.nodered.org/t/urgent-help-convert-syslog-to-json/1081 "2018-06-26T17:57:24Z")

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hello i try to see a graffic of temperature recive for one equipment the problem is the equipment only send a syslog messaje it\`s posible convert the syslog string to a Json string? this is the messaje msg.payload : st…

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## [Rain gauge on dashboard](https://discourse.nodered.org/t/rain-gauge-on-dashboard/1104)

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**Author:** [@ray](https://discourse.nodered.org/u/ray)\
**Replies:** 1\
**Last updated:** [26 June 2018 17:43 UTC](https://discourse.nodered.org/t/rain-gauge-on-dashboard/1104 "2018-06-26T17:43:32Z")

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Rain Guage Project When I got tired of replacing rain guage tubes (forgot to bring in before freeze) I replaced it with a wireless guage. \[Acurite 899\] Now, being wireless, could I capture the readings and show the r…

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## [SQLite access in IBM's Bluemix](https://discourse.nodered.org/t/sqlite-access-in-ibms-bluemix/1102)

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**Author:** [@nagi123](https://discourse.nodered.org/u/nagi123)\
**Replies:** 0\
**Last updated:** [26 June 2018 14:22 UTC](https://discourse.nodered.org/t/sqlite-access-in-ibms-bluemix/1102 "2018-06-26T14:22:21Z")

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Is it possible that I can access my SQLite database in IBM’s node red? The database is hosted on Apache and its location is C:\\xampp\\htdocs\\ . I don’t have much experience with Apache, so please excuse me if I’m using t…

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## [Delete a function from library](https://discourse.nodered.org/t/delete-a-function-from-library/826)

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**Author:** [@timoline](https://discourse.nodered.org/u/timoline)\
**Replies:** 10\
**Last updated:** [26 June 2018 14:02 UTC](https://discourse.nodered.org/t/delete-a-function-from-library/826 "2018-06-26T14:02:13Z")

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Is there a way to delete a lib function in the UI ?

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## [Run node-red on raspbian wheezy](https://discourse.nodered.org/t/run-node-red-on-raspbian-wheezy/1095)

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**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 8\
**Last updated:** [26 June 2018 13:30 UTC](https://discourse.nodered.org/t/run-node-red-on-raspbian-wheezy/1095 "2018-06-26T13:30:42Z")

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Is there a way to run node-red on raspbian wheezy. Is docker a good way to do that?

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## [Switch node with dynamic value](https://discourse.nodered.org/t/switch-node-with-dynamic-value/1092)

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**Author:** [@kamsvag](https://discourse.nodered.org/u/kamsvag)\
**Replies:** 1\
**Last updated:** [26 June 2018 07:26 UTC](https://discourse.nodered.org/t/switch-node-with-dynamic-value/1092 "2018-06-26T07:26:35Z")

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I have a switch node where I switch the msg to one path if the payload is below 20 and another path for ‘otherwise’. However, I want the value of ‘20’ be configurable through the ‘dashboard’ text node. Any ideas?

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## [Calling REST api](https://discourse.nodered.org/t/calling-rest-api/1089)

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**Author:** [@sampath6789](https://discourse.nodered.org/u/sampath6789)\
**Replies:** 4\
**Last updated:** [26 June 2018 06:30 UTC](https://discourse.nodered.org/t/calling-rest-api/1089 "2018-06-26T06:30:51Z")

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Hi. I want to know how to call a given rest api with a request body and get the response from node-red eg: header: Content-Type: application/json body: { “key1”:“value1”, “key2”:“value2” } Thank you.

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## [Single TCP client with send/receive](https://discourse.nodered.org/t/single-tcp-client-with-send-receive/847)

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**Author:** [@mlschuh](https://discourse.nodered.org/u/mlschuh)\
**Replies:** 4\
**Last updated:** [25 June 2018 22:19 UTC](https://discourse.nodered.org/t/single-tcp-client-with-send-receive/847 "2018-06-25T22:19:59Z")

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Hi there, I’m attempting to use the TCP nodes in a fairly mundane manner. I have a TCP server on an external device. I would like to connect to it, send it a message, be able to get the response, send another message, e…

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