# Latest

**URL:** https://discourse.nodered.org/latest.md?page=319

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

**Page:** 320

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## [Trying to scrape dynamic HTML](https://discourse.nodered.org/t/trying-to-scrape-dynamic-html/80104)

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**Author:** [@YegorRad](https://discourse.nodered.org/u/YegorRad)\
**Replies:** 3\
**Last updated:** [28 July 2023 05:06 UTC](https://discourse.nodered.org/t/trying-to-scrape-dynamic-html/80104 "2023-07-28T05:06:52Z")

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Hello everyone I´m new with Node-Red and HTML. I´m trying to obtein consumption data from this web https://app.powen.es/#/ I read some topics here in the forum and I´m awared that one solution is to find the URL where…

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## [Fresh man ask for help](https://discourse.nodered.org/t/fresh-man-ask-for-help/79987)

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**Author:** [@HenryTrang](https://discourse.nodered.org/u/HenryTrang)\
**Replies:** 12\
**Last updated:** [28 July 2023 01:07 UTC](https://discourse.nodered.org/t/fresh-man-ask-for-help/79987 "2023-07-28T01:07:19Z")

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Dear Vateran i wanna to develop a box of adge serve to combine all communication protocol into one protocol to make main serve easier. but something beyond my comprehension. I boot a websocket serve, and invoke it, …

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## [Site connection problems](https://discourse.nodered.org/t/site-connection-problems/80115)

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**Author:** [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Replies:** 3\
**Last updated:** [28 July 2023 00:58 UTC](https://discourse.nodered.org/t/site-connection-problems/80115 "2023-07-28T00:58:53Z")

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I've had the following screen displayed while trying to access the site in the last few days:

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## [Looking to change the label of a bar chart or graph dynamically](https://discourse.nodered.org/t/looking-to-change-the-label-of-a-bar-chart-or-graph-dynamically/80120)

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**Author:** [@rperciaccante](https://discourse.nodered.org/u/rperciaccante)\
**Replies:** 1\
**Last updated:** [27 July 2023 16:54 UTC](https://discourse.nodered.org/t/looking-to-change-the-label-of-a-bar-chart-or-graph-dynamically/80120 "2023-07-27T16:54:19Z")

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I am looking to change the label of a bar chart or graph based on input from a flow. My particular use case is I am using a single dashboard to show results of several metrics for a specific day, with a drop-down that c…

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## [Live video on an AWS instance](https://discourse.nodered.org/t/live-video-on-an-aws-instance/80107)

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**Author:** [@Surfb](https://discourse.nodered.org/u/Surfb)\
**Replies:** 2\
**Last updated:** [27 July 2023 16:16 UTC](https://discourse.nodered.org/t/live-video-on-an-aws-instance/80107 "2023-07-27T16:16:31Z")

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I have an esp32-cam and I want it to stream live video through the node-red dashboard, I have node-red installed on an AWS instance, I want the video to be seen from any network not just my local network

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## [Flows stopped due to missing node types (but node type is undefined)](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-but-node-type-is-undefined/80114)

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**Author:** [@mngkkkkkk](https://discourse.nodered.org/u/mngkkkkkk)\
**Replies:** 2\
**Last updated:** [27 July 2023 15:50 UTC](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-but-node-type-is-undefined/80114 "2023-07-27T15:50:29Z")

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Hi everyone, I'm new to node-red and java script in general And I want to create my node that will take data, do some manipulations with this data and then send the data via http I use axios for requests After many att…

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## [Calling flow ID in function node?](https://discourse.nodered.org/t/calling-flow-id-in-function-node/80117)

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**Author:** [@Shyama\_Gupta](https://discourse.nodered.org/u/Shyama_Gupta)\
**Replies:** 0\
**Last updated:** [27 July 2023 14:06 UTC](https://discourse.nodered.org/t/calling-flow-id-in-function-node/80117 "2023-07-27T14:06:30Z")

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Suppose for example when we reload/restart Node-RED, then every time UI\_tab ID is autogenerated by nodered and used to save context variables under .nodered/context/”UI\_tab ID”/flow.json so, how we can call that UI\_tab I…

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## [Changing String to JavaScript Object](https://discourse.nodered.org/t/changing-string-to-javascript-object/80078)

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**Author:** [@Lorenzo953](https://discourse.nodered.org/u/Lorenzo953)\
**Replies:** 17\
**Last updated:** [27 July 2023 14:52 UTC](https://discourse.nodered.org/t/changing-string-to-javascript-object/80078 "2023-07-27T14:52:31Z")

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I'm trying to readout a heat meter. The data of the meter is send via M-Bus to a Teltonika TRB 143 router and then send over MQTT to my NodeRed. On the router i can choose between the data format XML and HEX. if i use X…

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## [MQTT all device polling -- wildcard use?](https://discourse.nodered.org/t/mqtt-all-device-polling-wildcard-use/80086)

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**Author:** [@gNeandr](https://discourse.nodered.org/u/gNeandr)\
**Replies:** 7\
**Last updated:** [27 July 2023 14:14 UTC](https://discourse.nodered.org/t/mqtt-all-device-polling-wildcard-use/80086 "2023-07-27T14:14:06Z")

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With 'mqtt in' the use of a wildcard is possible, like stat/+/STATUS11 How to request all devices with 'mqtt out' using a wildcard like cmnd/+/STATUS11 ? it seems that request doesn't polls all the mqtt devices. So, w…

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## [\[warn\] Encrypted credentials not found](https://discourse.nodered.org/t/warn-encrypted-credentials-not-found/80116)

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**Author:** [@Duncan](https://discourse.nodered.org/u/Duncan)\
**Replies:** 0\
**Last updated:** [27 July 2023 13:10 UTC](https://discourse.nodered.org/t/warn-encrypted-credentials-not-found/80116 "2023-07-27T13:10:49Z")

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Strange I have created many node-red docker containers with login credentials, but I cant get this to work. I have a ubuntu server in an Azure cloud. When I launch the docker-compose file the “flows\_cred” file doesn’t ge…

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## [Using HTTP Request to pull data from FANUC Web Sever](https://discourse.nodered.org/t/using-http-request-to-pull-data-from-fanuc-web-sever/80095)

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**Author:** [@gettmad](https://discourse.nodered.org/u/gettmad)\
**Replies:** 3\
**Last updated:** [27 July 2023 13:08 UTC](https://discourse.nodered.org/t/using-http-request-to-pull-data-from-fanuc-web-sever/80095 "2023-07-27T13:08:17Z")

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I have been attempting to make an HTTP Request to a FANUC Robots webserver such that I can pull the applicable data from the web server and upload it to MQTT. When making the GET HTTP Request from Postman the applicable…

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## [Get a value from a sensor with mqtt](https://discourse.nodered.org/t/get-a-value-from-a-sensor-with-mqtt/80079)

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**Author:** [@EcarDK](https://discourse.nodered.org/u/EcarDK)\
**Replies:** 7\
**Last updated:** [27 July 2023 12:27 UTC](https://discourse.nodered.org/t/get-a-value-from-a-sensor-with-mqtt/80079 "2023-07-27T12:27:03Z")

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Hallo all First of all, thank you for all the help you give me. i would like to use an "inject node" connected to an "mqtt out" to pull a "payload.illuminance\_lux" value so it comes out of an "mqtt in node" is it poss…

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## [Get mqtt value from motion detector, if occupancy is ON or OFF](https://discourse.nodered.org/t/get-mqtt-value-from-motion-detector-if-occupancy-is-on-or-off/80057)

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**Author:** [@EcarDK](https://discourse.nodered.org/u/EcarDK)\
**Replies:** 8\
**Last updated:** [27 July 2023 08:13 UTC](https://discourse.nodered.org/t/get-mqtt-value-from-motion-detector-if-occupancy-is-on-or-off/80057 "2023-07-27T08:13:52Z")

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links i use When I set my Smart Button i do like this, and it work --\> "mqtt in node" zigbee2mqtt/Hue Dimmer - Vitus/action When I try whit my PH motion sensor I have try whit /get but it dont work? zigbee2mqtt/Mot…

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## [Node-red-contrib-bigtimer from dawn to dusk depending on the gps location](https://discourse.nodered.org/t/node-red-contrib-bigtimer-from-dawn-to-dusk-depending-on-the-gps-location/80085)

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**Author:** [@Lars78](https://discourse.nodered.org/u/Lars78)\
**Replies:** 5\
**Last updated:** [26 July 2023 21:28 UTC](https://discourse.nodered.org/t/node-red-contrib-bigtimer-from-dawn-to-dusk-depending-on-the-gps-location/80085 "2023-07-26T21:28:57Z")

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Hey, i would like do get a true/fals 1/0 on dawn/dusk depending on the gps location. i inject to the input: S1 : msg.payload : string\[22\] "geo\_override 53.22 6.6" but the off time is always wrong with the injected c…

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## [USB RS485 - RPI4B Connection issue](https://discourse.nodered.org/t/usb-rs485-rpi4b-connection-issue/80066)

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**Author:** [@DrdP](https://discourse.nodered.org/u/DrdP)\
**Replies:** 3\
**Last updated:** [26 July 2023 20:17 UTC](https://discourse.nodered.org/t/usb-rs485-rpi4b-connection-issue/80066 "2023-07-26T20:17:49Z")

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Good day, I am trying to read info from a RS485 soil sensor. I have gotten the ttyUSB0 to connect in Node-Red but it wont start and read the value it seems. I do not know what I need to change to get this going. Any he…

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## [Readme information missing from https://flows.nodered.org/node page for a new node](https://discourse.nodered.org/t/readme-information-missing-from-https-flows-nodered-org-node-page-for-a-new-node/80065)

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**Author:** [@tonymacdonald](https://discourse.nodered.org/u/tonymacdonald)\
**Replies:** 3\
**Last updated:** [26 July 2023 18:24 UTC](https://discourse.nodered.org/t/readme-information-missing-from-https-flows-nodered-org-node-page-for-a-new-node/80065 "2023-07-26T18:24:58Z")

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I have just published a package and added it to the node red nodes library. However, I had an issue with the links to a couple of images in the README.md which were displaying on GitHub but showing broken links on npm…

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## [Tinker card with node red](https://discourse.nodered.org/t/tinker-card-with-node-red/80054)

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**Author:** [@gizemerekinciatlan](https://discourse.nodered.org/u/gizemerekinciatlan)\
**Replies:** 1\
**Last updated:** [25 July 2023 13:41 UTC](https://discourse.nodered.org/t/tinker-card-with-node-red/80054 "2023-07-25T13:41:08Z")

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May l publish tinker card simulation to node-red dashboard

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## [\[ANNOUNCE\] @tonymacdonald/node-red-msg-encapsulation](https://discourse.nodered.org/t/announce-tonymacdonald-node-red-msg-encapsulation/80090)

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**Author:** [@tonymacdonald](https://discourse.nodered.org/u/tonymacdonald)\
**Replies:** 0\
**Last updated:** [26 July 2023 16:30 UTC](https://discourse.nodered.org/t/announce-tonymacdonald-node-red-msg-encapsulation/80090 "2023-07-26T16:30:54Z")

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Hi Everyone I have just delivered my first node red package @tonymacdonald/node-red-msg-encapsulation The 2 simple nodes allow you to wrap the incoming message into a property of a new otherwise empty message and late…

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## [🎉 Node-RED 3.1.0-beta.3 released](https://discourse.nodered.org/t/node-red-3-1-0-beta-3-released/78716)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 23\
**Last updated:** [26 July 2023 12:56 UTC](https://discourse.nodered.org/t/node-red-3-1-0-beta-3-released/78716 "2023-07-26T12:56:50Z")

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:tada: It has been a couple moments, but we have now published the final (:crossed\_fingers:) beta release of Node-RED 3.1. Node-RED 3.x requires at least Node 14.x, but that has already reached its end-of-life. These da…

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## [Help Needed: Downloading Files Created from Array Using Write File Node in Node-RED](https://discourse.nodered.org/t/help-needed-downloading-files-created-from-array-using-write-file-node-in-node-red/80075)

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**Author:** [@DidoMarchet](https://discourse.nodered.org/u/DidoMarchet)\
**Replies:** 0\
**Last updated:** [26 July 2023 08:28 UTC](https://discourse.nodered.org/t/help-needed-downloading-files-created-from-array-using-write-file-node-in-node-red/80075 "2023-07-26T08:28:26Z")

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Hi! I'm currently working on a project where I am splitting an array and creating a file from each element using the Write File node. After creating these files, I then zip them all together and send them via email. Ho…

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## [Global, Flow and Node Context File Storage Interval](https://discourse.nodered.org/t/global-flow-and-node-context-file-storage-interval/80064)

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**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 7\
**Last updated:** [26 July 2023 07:17 UTC](https://discourse.nodered.org/t/global-flow-and-node-context-file-storage-interval/80064 "2023-07-26T07:17:09Z")

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If there are global, flow and node context file storage enabled, are the global, flow and node context files saved at the same time, or they are saved at different time? There is only one context file save interval sett…

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## [Ng-bind-html include more than 1 element in Template](https://discourse.nodered.org/t/ng-bind-html-include-more-than-1-element-in-template/80027)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 6\
**Last updated:** [26 July 2023 01:33 UTC](https://discourse.nodered.org/t/ng-bind-html-include-more-than-1-element-in-template/80027 "2023-07-26T01:33:19Z")

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Hey All, I recently started converting my dashboard from letters/words to icons using the Material Icons library from google and using CSS to change the colors of the icons. Here is a static version of what I'm looking…

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## [Imported flows/](https://discourse.nodered.org/t/imported-flows/80062)

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**Author:** [@pgas37](https://discourse.nodered.org/u/pgas37)\
**Replies:** 17\
**Last updated:** [25 July 2023 21:23 UTC](https://discourse.nodered.org/t/imported-flows/80062 "2023-07-25T21:23:38Z")

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Hello, I installed node-red on a other Raspberry pi and from the old pi i did an export of all flows. After import of the flows on the new pi the débugnode is dead. They could be clicked on or off, but that does not wor…

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## [Worldmap static map files. Left Click events. access polyline mode directly](https://discourse.nodered.org/t/worldmap-static-map-files-left-click-events-access-polyline-mode-directly/79583)

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**Author:** [@marcpouliot](https://discourse.nodered.org/u/marcpouliot)\
**Replies:** 4\
**Last updated:** [25 July 2023 19:55 UTC](https://discourse.nodered.org/t/worldmap-static-map-files-left-click-events-access-polyline-mode-directly/79583 "2023-07-25T19:55:08Z")

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Hi, I am designing a small boat navigation system (on a lake) with a GPS (laetia bn880) and a stepper motor to change the direction of the boat. these work fine. I use World map as a user interface on my raspberry pi w…

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## [Logo on taskbar](https://discourse.nodered.org/t/logo-on-taskbar/80056)

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**Author:** [@m2iandom](https://discourse.nodered.org/u/m2iandom)\
**Replies:** 4\
**Last updated:** [25 July 2023 13:36 UTC](https://discourse.nodered.org/t/logo-on-taskbar/80056 "2023-07-25T13:36:44Z")

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Hello guys, I have added a logo to the taskbar using the script below inside a template node : the problem is that if I have multiple groups and select them repeatly from the hamburger icon, the logo will appear multip…

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## [Blank web page starting Node-Red](https://discourse.nodered.org/t/blank-web-page-starting-node-red/80047)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 11\
**Last updated:** [25 July 2023 13:00 UTC](https://discourse.nodered.org/t/blank-web-page-starting-node-red/80047 "2023-07-25T13:00:55Z")

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Hi, When I start a web browser on my laptop and navigate to the Raspberr PI ip:1880 I can access node-red. When I am starting Chromium from the PI I get a blank page. When I run sudo apt-get install chromium-b…

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## [String cutting, in the middle](https://discourse.nodered.org/t/string-cutting-in-the-middle/80050)

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**Author:** [@gideon](https://discourse.nodered.org/u/gideon)\
**Replies:** 4\
**Last updated:** [25 July 2023 11:24 UTC](https://discourse.nodered.org/t/string-cutting-in-the-middle/80050 "2023-07-25T11:24:27Z")

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Hello everyone. On the Raspberry Pi I connect to the USB input a module that has 8 A/D inputs. The module sends to the serial port every 500 MS the reading of 8 channels in analog input. I need a function that will fi…

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## [Dashboard: Terminal Window which shows i.e. the output of an logfile](https://discourse.nodered.org/t/dashboard-terminal-window-which-shows-i-e-the-output-of-an-logfile/80049)

<div class="topic-metadata">

**Author:** [@DL4ZAQ](https://discourse.nodered.org/u/DL4ZAQ)\
**Replies:** 1\
**Last updated:** [25 July 2023 11:35 UTC](https://discourse.nodered.org/t/dashboard-terminal-window-which-shows-i-e-the-output-of-an-logfile/80049 "2023-07-25T11:35:03Z")

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My flow looks like this: Button: Show Log Exec: /user/bin/sudo tail -f /home/xxxx.log Returns a pid: 22392 I would like to have a window on the dashboard showing continuously the "output" of the logfile. Additional …

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## [S7 1200, OPCUA, Dashboard](https://discourse.nodered.org/t/s7-1200-opcua-dashboard/79974)

<div class="topic-metadata">

**Author:** [@tomas.garcia](https://discourse.nodered.org/u/tomas.garcia)\
**Replies:** 4\
**Last updated:** [25 July 2023 11:07 UTC](https://discourse.nodered.org/t/s7-1200-opcua-dashboard/79974 "2023-07-25T11:07:22Z")

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With a variable created in the TIA portal type int. I connect it with the UAexpert and it gives me nodeId= ns=4;i=5. In the dashboard I create an OPCUA Client and activate it as reading. I create an input text whe…

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## [Max minus min value after a quantity of msg.payload (people counter)](https://discourse.nodered.org/t/max-minus-min-value-after-a-quantity-of-msg-payload-people-counter/80035)

<div class="topic-metadata">

**Author:** [@Ohlala68](https://discourse.nodered.org/u/Ohlala68)\
**Replies:** 2\
**Last updated:** [25 July 2023 08:55 UTC](https://discourse.nodered.org/t/max-minus-min-value-after-a-quantity-of-msg-payload-people-counter/80035 "2023-07-25T08:55:28Z")

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Hello. We have a people counter that sends 4 messages every 4 hours with an increasing number each time. I've made a flow that takes, after four messages, the largest value minus the smallest between two points in time…

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