# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=693

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

**Page:** 694

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## [Lockups when using groups](https://discourse.nodered.org/t/lockups-when-using-groups/31934)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 7\
**Last updated:** [26 August 2020 10:02 UTC](https://discourse.nodered.org/t/lockups-when-using-groups/31934 "2020-08-26T10:02:50Z")

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Morning all, Having a few problems with the GUI freezing when using the new node grouping feature. Copying a node and then pasting it within a group of nodes seems to trigger it! It does not come back, F5 does nothing…

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## [Second admin or user account](https://discourse.nodered.org/t/second-admin-or-user-account/32026)

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**Author:** [@MarcusWeber](https://discourse.nodered.org/u/MarcusWeber)\
**Replies:** 2\
**Last updated:** [26 August 2020 08:48 UTC](https://discourse.nodered.org/t/second-admin-or-user-account/32026 "2020-08-26T08:48:19Z")

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Hey, it's clear to (and works for) me how to create an admin-account and login into Node-RED remotely but is there any option to grant backend-access to another person with which I don't like to share the password? So,…

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## [Control the delay node with input from dashboard](https://discourse.nodered.org/t/control-the-delay-node-with-input-from-dashboard/31994)

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**Author:** [@Kushal](https://discourse.nodered.org/u/Kushal)\
**Replies:** 3\
**Last updated:** [26 August 2020 06:43 UTC](https://discourse.nodered.org/t/control-the-delay-node-with-input-from-dashboard/31994 "2020-08-26T06:43:16Z")

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I want to set "x" minutes and "y" minutes delay by using dashboard's numeric nodes. eg - if I set number 7 in the numeric node on the dashboard, the delay node will delay the messages for 7 minutes. The attached image …

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## [What happens to Context value if you delete the flow (storing to Filesystem)](https://discourse.nodered.org/t/what-happens-to-context-value-if-you-delete-the-flow-storing-to-filesystem/31995)

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**Author:** [@Raul\_77](https://discourse.nodered.org/u/Raul_77)\
**Replies:** 6\
**Last updated:** [25 August 2020 21:06 UTC](https://discourse.nodered.org/t/what-happens-to-context-value-if-you-delete-the-flow-storing-to-filesystem/31995 "2020-08-25T21:06:15Z")

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Hey guys, I have my context values stored in filesystem (modified the settings.json) anyway, my question is: If i have stuff stored in flow.context etc and DELETE the flow from Node-Red UI. What happens to the value o…

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## [WebSocket Multiple data sends at once](https://discourse.nodered.org/t/websocket-multiple-data-sends-at-once/32007)

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**Author:** [@Newbie01](https://discourse.nodered.org/u/Newbie01)\
**Replies:** 1\
**Last updated:** [25 August 2020 20:55 UTC](https://discourse.nodered.org/t/websocket-multiple-data-sends-at-once/32007 "2020-08-25T20:55:19Z")

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Not shure if this is a node red question or html. But I am trying to send data to a webpage when an update occurs it is working as is but "document.getElementById" will only pull one value at a time and the other values …

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## [Sending multiple modbus data values to SQL Server (Azure) in one stored procedure](https://discourse.nodered.org/t/sending-multiple-modbus-data-values-to-sql-server-azure-in-one-stored-procedure/30488)

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**Author:** [@ermanish533](https://discourse.nodered.org/u/ermanish533)\
**Replies:** 23\
**Last updated:** [25 August 2020 20:52 UTC](https://discourse.nodered.org/t/sending-multiple-modbus-data-values-to-sql-server-azure-in-one-stored-procedure/30488 "2020-08-25T20:52:18Z")

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Hello friends, I have prepared one flow where I am reading Energy Meter data through TCP. I have used Modbus node and sending data to Azure Database. with MSSQL-UCG node. I am reading total 11 parameters from the mete…

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## [Device State Information (Probably just MQTT novice issue)](https://discourse.nodered.org/t/device-state-information-probably-just-mqtt-novice-issue/31967)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 8\
**Last updated:** [25 August 2020 20:06 UTC](https://discourse.nodered.org/t/device-state-information-probably-just-mqtt-novice-issue/31967 "2020-08-25T20:06:39Z")

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I am housing all of my Smarthome logic in Node-Red. I control devices connected to Zigbee2MQTT, Homebridge, and Hubitat there. A simple example of something I am looking to do is as follows: When a button is pushed to…

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## [42/5000 How to send Node-red data to thinger.io](https://discourse.nodered.org/t/42-5000-how-to-send-node-red-data-to-thinger-io/31999)

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**Author:** [@edw](https://discourse.nodered.org/u/edw)\
**Replies:** 0\
**Last updated:** [25 August 2020 19:36 UTC](https://discourse.nodered.org/t/42-5000-how-to-send-node-red-data-to-thinger-io/31999 "2020-08-25T19:36:04Z")

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How can I send Node-red data via thiger library in node-red to thinger.io

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## [MQTT Sparkplug decoder/encoder](https://discourse.nodered.org/t/mqtt-sparkplug-decoder-encoder/31998)

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**Author:** [@mcjohnson777](https://discourse.nodered.org/u/mcjohnson777)\
**Replies:** 0\
**Last updated:** [25 August 2020 18:55 UTC](https://discourse.nodered.org/t/mqtt-sparkplug-decoder-encoder/31998 "2020-08-25T18:55:40Z")

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I have installed the palette node-red-contrib-protobuf in Node Red. I placed the sparkpug\_b.proto in a directory and used that directory path and file name. After deploying the flow, I get the following error: "No .prot…

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## [How to get data with JSON from inverter](https://discourse.nodered.org/t/how-to-get-data-with-json-from-inverter/31984)

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**Author:** [@rguita](https://discourse.nodered.org/u/rguita)\
**Replies:** 10\
**Last updated:** [25 August 2020 17:43 UTC](https://discourse.nodered.org/t/how-to-get-data-with-json-from-inverter/31984 "2020-08-25T17:43:20Z")

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I~m pretty new with programming languages, Nod red and JSON. I want to get data from a SMA Webbox with "JSON". I already created a couple of nodes (inject node -\> change node -\> http request node -\> debug) has per \[Cybe…

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## [How to delete published node from flow-library?](https://discourse.nodered.org/t/how-to-delete-published-node-from-flow-library/31981)

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**Author:** [@x454211277](https://discourse.nodered.org/u/x454211277)\
**Replies:** 2\
**Last updated:** [25 August 2020 16:01 UTC](https://discourse.nodered.org/t/how-to-delete-published-node-from-flow-library/31981 "2020-08-25T16:01:04Z")

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I am sorry, I have published a misnamed node. How can I delete it？ https://flows.nodered.org/node/node-red-larkea-local-device

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## [Set Object name from msg.topic?](https://discourse.nodered.org/t/set-object-name-from-msg-topic/31987)

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**Author:** [@Brew](https://discourse.nodered.org/u/Brew)\
**Replies:** 2\
**Last updated:** [25 August 2020 13:29 UTC](https://discourse.nodered.org/t/set-object-name-from-msg-topic/31987 "2020-08-25T13:29:29Z")

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Hi All, I'm banging my head with this and I'm sure the answer is obvious but I can't find the search term or work it out. I'm pinging a series of devices with the ping node I want to create a message object that contain…

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## [Node-red-contrib-pdfjs, no output](https://discourse.nodered.org/t/node-red-contrib-pdfjs-no-output/31969)

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**Author:** [@ArneR](https://discourse.nodered.org/u/ArneR)\
**Replies:** 5\
**Last updated:** [25 August 2020 12:01 UTC](https://discourse.nodered.org/t/node-red-contrib-pdfjs-no-output/31969 "2020-08-25T12:01:49Z")

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Hey I am trying to convert a pdf to text. I can already set up the PDf filename. However, I am not able to convert the PDF to text. I am using "node-red-contrib-pdfjs" but I am not getting any output. What am I doing…

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## [Control the rules of Switch node with input from dashboard.](https://discourse.nodered.org/t/control-the-rules-of-switch-node-with-input-from-dashboard/31948)

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**Author:** [@Kushal](https://discourse.nodered.org/u/Kushal)\
**Replies:** 4\
**Last updated:** [25 August 2020 09:57 UTC](https://discourse.nodered.org/t/control-the-rules-of-switch-node-with-input-from-dashboard/31948 "2020-08-25T09:57:18Z")

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I have a switch node, which has 2 rules. Its checks whether Sensor value \<= X(number) Sensor value \>= Y(number) I wish to set the X and Y with the Dashboard Numeric node. So that I will set the value of X and Y to any…

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## [Can't clear text in text input node of mdashboard](https://discourse.nodered.org/t/cant-clear-text-in-text-input-node-of-mdashboard/31974)

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**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 2\
**Last updated:** [25 August 2020 09:27 UTC](https://discourse.nodered.org/t/cant-clear-text-in-text-input-node-of-mdashboard/31974 "2020-08-25T09:27:01Z")

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I am using node-red-contrib-mdashboard (this is not the standard Node-RED dashboard !) Problem: I want to clear my text input by clicking on a button that is sending an empty string as payload to this text input node. …

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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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## [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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## [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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## [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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## [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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