# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1013

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

**Page:** 1014

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## [Access the dashboard from the internet without opening ports](https://discourse.nodered.org/t/access-the-dashboard-from-the-internet-without-opening-ports/31971)

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**Author:** [@Ataraxial](https://discourse.nodered.org/u/Ataraxial)\
**Replies:** 1\
**Last updated:** [25 August 2020 09:24 UTC](https://discourse.nodered.org/t/access-the-dashboard-from-the-internet-without-opening-ports/31971 "2020-08-25T09:24:53Z")

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Good morning, I'm trying to do one thing, but I don't know how to approach it or how to do it. I have multiple systems with Node-Red + Dashboard. I have to be able to control it from the internet. In some of them, with…

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## [Standalone Raspberry Pi Security Camera with AI "person detection"](https://discourse.nodered.org/t/standalone-raspberry-pi-security-camera-with-ai-person-detection/1470)

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**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 71\
**Last updated:** [25 August 2020 09:02 UTC](https://discourse.nodered.org/t/standalone-raspberry-pi-security-camera-with-ai-person-detection/1470 "2020-08-25T09:02:50Z")

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I've got an issue with the Python AI detection for which I seem to have found a work-around, but the node-red part that controls everything is looking pretty solid, so I thought it'd be nice to share. Basically a Pi 2B …

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## [Using ADLINK EDGE AI Vision with Node-RED](https://discourse.nodered.org/t/using-adlink-edge-ai-vision-with-node-red/31776)

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**Author:** [@goto50](https://discourse.nodered.org/u/goto50)\
**Replies:** 1\
**Last updated:** [25 August 2020 08:57 UTC](https://discourse.nodered.org/t/using-adlink-edge-ai-vision-with-node-red/31776 "2020-08-25T08:57:30Z")

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ADLINK have a new product, Vizi-AI an Edge AI Devkit - its an edge hardware and software Devkit, with more configuration and less code to get started quickly with Edge Computing, Edge AI, and Node-Red to deliver an out o…

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## [Dashboard, group name - margin](https://discourse.nodered.org/t/dashboard-group-name-margin/31970)

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**Author:** [@hklages](https://discourse.nodered.org/u/hklages)\
**Replies:** 2\
**Last updated:** [25 August 2020 08:43 UTC](https://discourse.nodered.org/t/dashboard-group-name-margin/31970 "2020-08-25T08:43:55Z")

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Hi. Is there and "trick" to reduce the vertical margin between the group header and the body? Looking at the following example (Temparaturen / Schalter / Sonos ) I would like to have only 50% or 66%.

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## [Inject Data into Postgres](https://discourse.nodered.org/t/inject-data-into-postgres/31973)

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**Author:** [@mhswa](https://discourse.nodered.org/u/mhswa)\
**Replies:** 1\
**Last updated:** [25 August 2020 08:04 UTC](https://discourse.nodered.org/t/inject-data-into-postgres/31973 "2020-08-25T08:04:28Z")

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Hi All After going back to the drawing board after my previous post i need a little help understanding how to use templates and functions for my project i have a postgresql database that i am trying to write to & query…

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## [Web-worldmap cutomization](https://discourse.nodered.org/t/web-worldmap-cutomization/31897)

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**Author:** [@cjkini](https://discourse.nodered.org/u/cjkini)\
**Replies:** 5\
**Last updated:** [25 August 2020 08:01 UTC](https://discourse.nodered.org/t/web-worldmap-cutomization/31897 "2020-08-25T08:01:16Z")

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Hi @dceejay , 1.Thanks for this world map node. This is so wonderful node to use. 2. I have question about action=click payload. Currently, when we click the marker on the map, we will get the payload of : {"action":"…

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## [Create Aqara cube rotate left or right Flow for lights](https://discourse.nodered.org/t/create-aqara-cube-rotate-left-or-right-flow-for-lights/31966)

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**Author:** [@queelyte](https://discourse.nodered.org/u/queelyte)\
**Replies:** 1\
**Last updated:** [25 August 2020 06:58 UTC](https://discourse.nodered.org/t/create-aqara-cube-rotate-left-or-right-flow-for-lights/31966 "2020-08-25T06:58:26Z")

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I am new to node red and using my aqara cube. I’m trying to get the cube registered via ZHA on rasp pi in home assistant to rotate left or right to dim or brighten lights in 10% increments. Can you possibly help me cre…

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## [YF-S201 Water Flow Sensor - Help with Require](https://discourse.nodered.org/t/yf-s201-water-flow-sensor-help-with-require/30587)

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**Author:** [@oncdastan](https://discourse.nodered.org/u/oncdastan)\
**Replies:** 79\
**Last updated:** [25 August 2020 06:54 UTC](https://discourse.nodered.org/t/yf-s201-water-flow-sensor-help-with-require/30587 "2020-08-25T06:54:28Z")

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Hi. I'm trying to use YF-S201. I found a package for it. Here is the link to that: I never worked with a package before. I don't know what to do. I looked at a few similar things, but I didn't understand it that much.…

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## [Whether stable for remote control ethernet relay module](https://discourse.nodered.org/t/whether-stable-for-remote-control-ethernet-relay-module/31630)

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**Author:** [@kincony](https://discourse.nodered.org/u/kincony)\
**Replies:** 12\
**Last updated:** [25 August 2020 01:33 UTC](https://discourse.nodered.org/t/whether-stable-for-remote-control-ethernet-relay-module/31630 "2020-08-25T01:33:56Z")

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if install node-red on a own cloud server, then i have a ethernet relay board connect cloud server by TCP socket, board is TCP Client. whether this solution can be running stable long time for remote control relay for ho…

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## [Can this be done in Node-Red?](https://discourse.nodered.org/t/can-this-be-done-in-node-red/31931)

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**Author:** [@victagayun](https://discourse.nodered.org/u/victagayun)\
**Replies:** 6\
**Last updated:** [25 August 2020 00:06 UTC](https://discourse.nodered.org/t/can-this-be-done-in-node-red/31931 "2020-08-25T00:06:21Z")

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Hello, Newbie here on Node-Red. I would like to know if these processes can be done in Node-Red. I have data of 10x16bit to be sent over serial port at 20Mbps by an MCU and received by Node-Red. This is sent over 100…

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## [Text input node - mode set to 'Number' - dislikes a decimal point](https://discourse.nodered.org/t/text-input-node-mode-set-to-number-dislikes-a-decimal-point/31963)

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**Author:** [@davej](https://discourse.nodered.org/u/davej)\
**Replies:** 12\
**Last updated:** [24 August 2020 21:39 UTC](https://discourse.nodered.org/t/text-input-node-mode-set-to-number-dislikes-a-decimal-point/31963 "2020-08-24T21:39:01Z")

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Using a text input node with a mode of 'Number' I am finding that when entering a value that contains a decimal point, it is being flagged in red as an invalid value and expects a whole number. I don't know what would …

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## [Can't install a new node/set](https://discourse.nodered.org/t/cant-install-a-new-node-set/31939)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [24 August 2020 21:11 UTC](https://discourse.nodered.org/t/cant-install-a-new-node-set/31939 "2020-08-24T21:11:13Z")

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Trying to install the node from this thread: This thread. I get an error. This is the tail of the error: 24 silly saveTree │ ├── formidable@1.2.1 24 silly saveTree │ ├── mime@1.6.0 24 silly saveTree │ └─┬ reada…

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## [Sequent microsystems relay hat](https://discourse.nodered.org/t/sequent-microsystems-relay-hat/31605)

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**Author:** [@m0bpq](https://discourse.nodered.org/u/m0bpq)\
**Replies:** 5\
**Last updated:** [24 August 2020 21:01 UTC](https://discourse.nodered.org/t/sequent-microsystems-relay-hat/31605 "2020-08-24T21:01:25Z")

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Hi everyone, I am considering node-red to control some relays (https://sequentmicrosystems.com/index.php?route=product/product&product\_id=50) attached to a raspi to provide a browser based UI. I have an awful lot to le…

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## [Missing node type Cast](https://discourse.nodered.org/t/missing-node-type-cast/31962)

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**Author:** [@wecoyote5](https://discourse.nodered.org/u/wecoyote5)\
**Replies:** 3\
**Last updated:** [24 August 2020 20:39 UTC](https://discourse.nodered.org/t/missing-node-type-cast/31962 "2020-08-24T20:39:00Z")

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hi all, I'm sure I'm missing something simple but just can't put my finger on it nor can I find it in any tutorials/info to find out the reason. I installed the node-red-contrib-cast like every other package and downloa…

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## [How to delete published flow from flow-library?](https://discourse.nodered.org/t/how-to-delete-published-flow-from-flow-library/17328)

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**Author:** [@motebus](https://discourse.nodered.org/u/motebus)\
**Replies:** 17\
**Last updated:** [24 August 2020 20:11 UTC](https://discourse.nodered.org/t/how-to-delete-published-flow-from-flow-library/17328 "2020-08-24T20:11:02Z")

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how to delete and update?

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## [Update/edit a Telegram message](https://discourse.nodered.org/t/update-edit-a-telegram-message/31889)

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**Author:** [@acfnews](https://discourse.nodered.org/u/acfnews)\
**Replies:** 2\
**Last updated:** [24 August 2020 18:22 UTC](https://discourse.nodered.org/t/update-edit-a-telegram-message/31889 "2020-08-24T18:22:17Z")

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Dear All, Some time ago I observed an interesting Telegram chat which is fed from Nodered. The programmers display a 'realtime' list of devices in a chat, and the device online/offline status. The interesting is, that…

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## [Super Mario Lego](https://discourse.nodered.org/t/super-mario-lego/31180)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 3\
**Last updated:** [24 August 2020 16:03 UTC](https://discourse.nodered.org/t/super-mario-lego/31180 "2020-08-24T16:03:29Z")

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One of my grandsons has just received this Lego kit that was released on the 1st August, 2020. Although I've only seen it working via Zoom, it would appear that it uses BLE to communicate. I just feel a great IoT proje…

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## [Ui\_table - How to select the first row after initializing?](https://discourse.nodered.org/t/ui-table-how-to-select-the-first-row-after-initializing/31675)

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**Author:** [@Curious](https://discourse.nodered.org/u/Curious)\
**Replies:** 8\
**Last updated:** [24 August 2020 15:52 UTC](https://discourse.nodered.org/t/ui-table-how-to-select-the-first-row-after-initializing/31675 "2020-08-24T15:52:51Z")

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I have made some good progress using the ui-table, which seems to have some pretty amazing capabilities without having to put in too much effort. But now I am stuck! I have looked at several examples, but I am obviously …

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## [RFXCom node problems](https://discourse.nodered.org/t/rfxcom-node-problems/31953)

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**Author:** [@Vlak](https://discourse.nodered.org/u/Vlak)\
**Replies:** 3\
**Last updated:** [24 August 2020 15:41 UTC](https://discourse.nodered.org/t/rfxcom-node-problems/31953 "2020-08-24T15:41:38Z")

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hello folks, I am trying to install rfxcom's nodes, node-red-contrib-rfxcom. But get the same notifications every time. does anyone have an idea what this could be 2020-08-24T13:39:14.972Z Install : node-red-contrib-rfx…

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## [OMRON FINS - How to write REAL values](https://discourse.nodered.org/t/omron-fins-how-to-write-real-values/31942)

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**Author:** [@federicobozzeda](https://discourse.nodered.org/u/federicobozzeda)\
**Replies:** 2\
**Last updated:** [24 August 2020 12:12 UTC](https://discourse.nodered.org/t/omron-fins-how-to-write-real-values/31942 "2020-08-24T12:12:42Z")

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Hi everyone, I'm new to the forum (and node-red too). I hope to insert the topic correctly. I am trying to communicate with an OMRON CJ2M PLC, via FINS protocol (node-red-contrib-omron-fins). I can read and write 16-bi…

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## [UI Template why did not show data](https://discourse.nodered.org/t/ui-template-why-did-not-show-data/31815)

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**Author:** [@chawana](https://discourse.nodered.org/u/chawana)\
**Replies:** 11\
**Last updated:** [24 August 2020 11:36 UTC](https://discourse.nodered.org/t/ui-template-why-did-not-show-data/31815 "2020-08-24T11:36:53Z")

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Please help me to slove dashboard not show details as UI Template Thanks..... \[{"id":"bd597e9e.e430e","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"e1d79532.e184a8","type":"inject","z":"bd597e9e.e430…

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## [Add only a Label to Node red UI](https://discourse.nodered.org/t/add-only-a-label-to-node-red-ui/31762)

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**Author:** [@makram](https://discourse.nodered.org/u/makram)\
**Replies:** 14\
**Last updated:** [24 August 2020 11:27 UTC](https://discourse.nodered.org/t/add-only-a-label-to-node-red-ui/31762 "2020-08-24T11:27:17Z")

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How can i add only a label to my UI not text box. I just want to add a label. Is there any other tool for it?

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## [OPC UA Server to comunicate with a scada](https://discourse.nodered.org/t/opc-ua-server-to-comunicate-with-a-scada/31843)

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**Author:** [@perico](https://discourse.nodered.org/u/perico)\
**Replies:** 2\
**Last updated:** [24 August 2020 09:23 UTC](https://discourse.nodered.org/t/opc-ua-server-to-comunicate-with-a-scada/31843 "2020-08-24T09:23:12Z")

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Hi, there is any example about an OPC UA server? I'm new on it and I have some doubts, also the examples that I looked doesn't solve my doubts. My node red receives data via MQTT and I need to create the OPCUA server to…

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## [Passing an Integer as Input to Exec Node to run Python Script](https://discourse.nodered.org/t/passing-an-integer-as-input-to-exec-node-to-run-python-script/31933)

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**Author:** [@sheebha](https://discourse.nodered.org/u/sheebha)\
**Replies:** 0\
**Last updated:** [24 August 2020 06:42 UTC](https://discourse.nodered.org/t/passing-an-integer-as-input-to-exec-node-to-run-python-script/31933 "2020-08-24T06:42:42Z")

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Hi, I am having python script in my local PC, I need to run through integer in node-red, if I run the script I am getting an error as Command failed: C:\\Users\\gundre\\Desktop\\NewPythonFiles\\python\_test 1 one input. My S…

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## [Batch node operation clarification](https://discourse.nodered.org/t/batch-node-operation-clarification/31930)

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**Author:** [@skoumo01](https://discourse.nodered.org/u/skoumo01)\
**Replies:** 1\
**Last updated:** [24 August 2020 06:22 UTC](https://discourse.nodered.org/t/batch-node-operation-clarification/31930 "2020-08-24T06:22:03Z")

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Hello, I would like to ask a couple of clarifying questions concerning how the Batch node works internally (i.e. how it is implemented), as I haven't found any related answered questions on the forum (or it seemed like …

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## [Msg.object to msg.url](https://discourse.nodered.org/t/msg-object-to-msg-url/31929)

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**Author:** [@fxx](https://discourse.nodered.org/u/fxx)\
**Replies:** 3\
**Last updated:** [24 August 2020 06:01 UTC](https://discourse.nodered.org/t/msg-object-to-msg-url/31929 "2020-08-24T06:01:50Z")

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Hi there. I got stuck changing msg.url (object) to msg.url acceptable in http request node. What should I set msg.url to in change node? Can I return msg.url from the function as a string? \[{"id":"ace7ea29.4b43c","ty…

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## [Remove all tags \<...\> from payload?](https://discourse.nodered.org/t/remove-all-tags-from-payload/31920)

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**Author:** [@CaptainSweatpants](https://discourse.nodered.org/u/CaptainSweatpants)\
**Replies:** 3\
**Last updated:** [24 August 2020 05:33 UTC](https://discourse.nodered.org/t/remove-all-tags-from-payload/31920 "2020-08-24T05:33:35Z")

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So I have Template nodes containing SSML content to send to my Echo devices around the house. I recently implemented some flows which direct the SSML to only the Echo devices with active movement in those rooms.. but, he…

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## [Floating value in S7 node](https://discourse.nodered.org/t/floating-value-in-s7-node/30953)

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**Author:** [@munirazam1989](https://discourse.nodered.org/u/munirazam1989)\
**Replies:** 3\
**Last updated:** [24 August 2020 00:17 UTC](https://discourse.nodered.org/t/floating-value-in-s7-node/30953 "2020-08-24T00:17:38Z")

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I am using Siemens S7 node to extract floating value from plc but the value it is showing is quite big and not showing me real numbers of debug node. Let's i store 10.1 at MD10 but the value in node is very big integer…

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## [Two inputs in one function](https://discourse.nodered.org/t/two-inputs-in-one-function/31884)

<div class="topic-metadata">

**Author:** [@zamzon](https://discourse.nodered.org/u/zamzon)\
**Replies:** 30\
**Last updated:** [23 August 2020 23:49 UTC](https://discourse.nodered.org/t/two-inputs-in-one-function/31884 "2020-08-23T23:49:12Z")

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Hi I need to have two inputs in one function, the two inputs look like this Input 1 Buffer: {"0":28,"1":2,"2":154,"3":128,"4":255,"5":100,"6":255,"7":102} Input 2 JSON: {"on":true,"brightness":40,"rgb":\[255,178,76\],"h…

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## [S7 PLC run/stop](https://discourse.nodered.org/t/s7-plc-run-stop/31132)

<div class="topic-metadata">

**Author:** [@zsoni96](https://discourse.nodered.org/u/zsoni96)\
**Replies:** 2\
**Last updated:** [23 August 2020 21:55 UTC](https://discourse.nodered.org/t/s7-plc-run-stop/31132 "2020-08-23T21:55:48Z")

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Hi everyone, I'm currently working on a project involving PLCs ( i'm not an expert with them) and my question is is there any way to monitor if the PLC is in run or stop mode via nodred? Im using the s7 node a siemes P…

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