# General **URL:** https://discourse.nodered.org/c/general/7.md?page=334 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 335 --- ## [Inject Node - dev](https://discourse.nodered.org/t/inject-node-dev/66568)
**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\ **Replies:** 6\ **Last updated:** [18 August 2022 08:07 UTC](https://discourse.nodered.org/t/inject-node-dev/66568 "2022-08-18T08:07:47Z")
Hi, Does anyone, with way more skill than me, fancy forking the inject node, and making the specific option accept a variable rather than a fixed value. Would this even be possible? Reason: I want to be able to refe… --- ## [TCP/IP Server in Node-RED](https://discourse.nodered.org/t/tcp-ip-server-in-node-red/66551)
**Author:** [@LaurenMcG](https://discourse.nodered.org/u/LaurenMcG)\ **Replies:** 5\ **Last updated:** [18 August 2022 08:48 UTC](https://discourse.nodered.org/t/tcp-ip-server-in-node-red/66551 "2022-08-18T08:48:50Z")
Hello, I am trying to return robot data in Node-RED. Currently, I have a robot script that runs on the robot (client) that sends the data e.g. joint position to my RPi. I have been able to used a python script to create… --- ## [Node-red-node-email not sending email on double nat network](https://discourse.nodered.org/t/node-red-node-email-not-sending-email-on-double-nat-network/66563)
**Author:** [@AnandJhaveri](https://discourse.nodered.org/u/AnandJhaveri)\ **Replies:** 8\ **Last updated:** [18 August 2022 08:19 UTC](https://discourse.nodered.org/t/node-red-node-email-not-sending-email-on-double-nat-network/66563 "2022-08-18T08:19:36Z")
Which node are you reporting an issue on? node-red-node-email What are the steps to reproduce? double nat your network send an email using the node What happens? I get the following error: Error: connect ENETUNREACH … --- ## [Load variables for shopping list](https://discourse.nodered.org/t/load-variables-for-shopping-list/66541)
**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\ **Replies:** 7\ **Last updated:** [18 August 2022 04:56 UTC](https://discourse.nodered.org/t/load-variables-for-shopping-list/66541 "2022-08-18T04:56:31Z")
Hi, for my wife I created a shopping list .... I save the value (name - true/false) into a file txt ... and I load this values into more variables with this code (this is the best I got) It's works fine from man… --- ## [I2C-scan node reading different address than i2cdetect](https://discourse.nodered.org/t/i2c-scan-node-reading-different-address-than-i2cdetect/66582)
**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\ **Replies:** 3\ **Last updated:** [18 August 2022 04:59 UTC](https://discourse.nodered.org/t/i2c-scan-node-reading-different-address-than-i2cdetect/66582 "2022-08-18T04:59:34Z")
Hi there, I am a bit confused. I am using the I2C scan node to detect the available addresses and I also checked with i2cdetect -y 01 directly from terminal. I get two different results: How is that possible? Am… --- ## [Opc UA client node session disconnects with Server after few minutes](https://discourse.nodered.org/t/opc-ua-client-node-session-disconnects-with-server-after-few-minutes/65260)
**Author:** [@Sai](https://discourse.nodered.org/u/Sai)\ **Replies:** 1\ **Last updated:** [18 August 2022 04:56 UTC](https://discourse.nodered.org/t/opc-ua-client-node-session-disconnects-with-server-after-few-minutes/65260 "2022-08-18T04:56:33Z")
After connecting with the server, it disconnects automatically if press deploy after few minutes. The connection is properly established. Im trying to fetch the data from a Siemens IOT connector which is connected to… --- ## [Edit node information](https://discourse.nodered.org/t/edit-node-information/66569)
**Author:** [@tgottie](https://discourse.nodered.org/u/tgottie)\ **Replies:** 7\ **Last updated:** [17 August 2022 21:41 UTC](https://discourse.nodered.org/t/edit-node-information/66569 "2022-08-17T21:41:45Z")
is it possible to set something up that will edit a switch node with new information automatically? so if a switch is setup to move traffic that contains "55555" is there some way i can change that "55555" to whatever a … --- ## [Help with Bluetooth](https://discourse.nodered.org/t/help-with-bluetooth/62893)
**Author:** [@jgreenmt](https://discourse.nodered.org/u/jgreenmt)\ **Replies:** 35\ **Last updated:** [17 August 2022 20:11 UTC](https://discourse.nodered.org/t/help-with-bluetooth/62893 "2022-08-17T20:11:29Z")
Hello, I have been trying to find a solution for my bluetooth project and I have spent a considerable amount of time on this. Before I muddy the post with details of the things I've tried and the problems I've encounter… --- ## [Error starting subflow](https://discourse.nodered.org/t/error-starting-subflow/66499)
**Author:** [@vajonam](https://discourse.nodered.org/u/vajonam)\ **Replies:** 4\ **Last updated:** [17 August 2022 19:35 UTC](https://discourse.nodered.org/t/error-starting-subflow/66499 "2022-08-17T19:35:44Z")
I am using node-red with home assistant and during a recent upgrades it caused node-red to start crashing. looking at the logs I found this error I couldn't get rid of. Not sure where to look the stack trace points to Su… --- ## [Odd format EGI Nexus 1500+ Meter](https://discourse.nodered.org/t/odd-format-egi-nexus-1500-meter/66511)
**Author:** [@HansZnarf](https://discourse.nodered.org/u/HansZnarf)\ **Replies:** 6\ **Last updated:** [17 August 2022 17:41 UTC](https://discourse.nodered.org/t/odd-format-egi-nexus-1500-meter/66511 "2022-08-17T17:41:58Z")
I find this really and odd format. Tried playing around with what others have assisted with so far without success. Please see following right out of device manual. 3.7: Type F7- Secondary Voltage, Current, VA, VAR, W… --- ## [Trouble converting XML](https://discourse.nodered.org/t/trouble-converting-xml/66531)
**Author:** [@milner236](https://discourse.nodered.org/u/milner236)\ **Replies:** 2\ **Last updated:** [17 August 2022 17:05 UTC](https://discourse.nodered.org/t/trouble-converting-xml/66531 "2022-08-17T17:05:05Z")
Hello everyone, In my flow I have a watch node watching a folder that receives multiple XML files. I then use a switch node to traffic the flow by filename and then would like to parse the XML to a JS object. However, I… --- ## [BLE Intermittent Crashing](https://discourse.nodered.org/t/ble-intermittent-crashing/66337)
**Author:** [@jgreenmt](https://discourse.nodered.org/u/jgreenmt)\ **Replies:** 22\ **Last updated:** [17 August 2022 16:09 UTC](https://discourse.nodered.org/t/ble-intermittent-crashing/66337 "2022-08-17T16:09:50Z")
I have another post on the forum called "Help with Bluetooth" where I discuss general tips for getting a Bluetooth project to work. I hope I'm not violating the forum rules by creating another post as this is also about … --- ## [Cancelling a trigger node, if input changes](https://discourse.nodered.org/t/cancelling-a-trigger-node-if-input-changes/66553)
**Author:** [@JHScen](https://discourse.nodered.org/u/JHScen)\ **Replies:** 3\ **Last updated:** [17 August 2022 14:49 UTC](https://discourse.nodered.org/t/cancelling-a-trigger-node-if-input-changes/66553 "2022-08-17T14:49:21Z")
I am sending data from an inject node through a filter node (so its only sent through again if the data changes) to a trigger node. Once it reaches the trigger node, it instantly sends one bit of data to a database. 10… --- ## [Nodered crashing when using the node-red-contrib-cast node](https://discourse.nodered.org/t/nodered-crashing-when-using-the-node-red-contrib-cast-node/66550)
**Author:** [@aaamoeder](https://discourse.nodered.org/u/aaamoeder)\ **Replies:** 7\ **Last updated:** [17 August 2022 12:57 UTC](https://discourse.nodered.org/t/nodered-crashing-when-using-the-node-red-contrib-cast-node/66550 "2022-08-17T12:57:10Z")
I'm using this node to play audio on some of my cast enabled devices and although it functions, each time the node is called, node-red crashes with an error mentioning the node.error call telling me it's not a function ? … --- ## [I would like to include the value of a slider in a function](https://discourse.nodered.org/t/i-would-like-to-include-the-value-of-a-slider-in-a-function/66542)
**Author:** [@kieron1](https://discourse.nodered.org/u/kieron1)\ **Replies:** 8\ **Last updated:** [17 August 2022 10:47 UTC](https://discourse.nodered.org/t/i-would-like-to-include-the-value-of-a-slider-in-a-function/66542 "2022-08-17T10:47:06Z")
\[ { "id": "2c2aeb8b4fec5a87", "type": "tab", "label": "Flow 1", "disabled": false, "info": "", "env": \[\] }, { "id": "315086cb1d9bff21", "type": … --- ## [Guidance for parsing & manipulating data from an API](https://discourse.nodered.org/t/guidance-for-parsing-manipulating-data-from-an-api/66510)
**Author:** [@Corey](https://discourse.nodered.org/u/Corey)\ **Replies:** 2\ **Last updated:** [17 August 2022 06:00 UTC](https://discourse.nodered.org/t/guidance-for-parsing-manipulating-data-from-an-api/66510 "2022-08-17T06:00:29Z")
Hi, I'm accessing data from an API and am triggering the I/O on a RevPi based on the data. I'm wondering on the best approach to parse the data and act on it. My programming now is becoming somewhat unwieldy. I have the… --- ## [How do I install Node-RED in Jetson Nano board](https://discourse.nodered.org/t/how-do-i-install-node-red-in-jetson-nano-board/66490)
**Author:** [@eldho1416](https://discourse.nodered.org/u/eldho1416)\ **Replies:** 5\ **Last updated:** [17 August 2022 04:49 UTC](https://discourse.nodered.org/t/how-do-i-install-node-red-in-jetson-nano-board/66490 "2022-08-17T04:49:36Z")
I have been trying to install node-red in jetson nano but it is not installing because npm error Thanks for help --- ## [Nodered as a BACnet client - Object count capacity](https://discourse.nodered.org/t/nodered-as-a-bacnet-client-object-count-capacity/66526)
**Author:** [@quizoxy](https://discourse.nodered.org/u/quizoxy)\ **Replies:** 0\ **Last updated:** [17 August 2022 04:30 UTC](https://discourse.nodered.org/t/nodered-as-a-bacnet-client-object-count-capacity/66526 "2022-08-17T04:30:13Z")
Greetings, I am currently working to Deploy Node-red as a BACnet client. I understand that to do this i would need to install node-red-contrib-bacnet. I am working on a project that estimates 15-20k data points from t… --- ## [CMD Factory Input](https://discourse.nodered.org/t/cmd-factory-input/66519)
**Author:** [@bucks7756](https://discourse.nodered.org/u/bucks7756)\ **Replies:** 3\ **Last updated:** [17 August 2022 02:12 UTC](https://discourse.nodered.org/t/cmd-factory-input/66519 "2022-08-17T02:12:58Z")
I hope this is simple. I'm reading a value from a tag that has an integer value. I need to pass that into command factory to a multi-level switch to control dimness. I get an error that it needs to be an array. How d… --- ## [Read 10 modbus slave](https://discourse.nodered.org/t/read-10-modbus-slave/66479)
**Author:** [@VEENS973](https://discourse.nodered.org/u/VEENS973)\ **Replies:** 2\ **Last updated:** [16 August 2022 20:36 UTC](https://discourse.nodered.org/t/read-10-modbus-slave/66479 "2022-08-16T20:36:12Z")
hi i need to know how read 10 modbsu slave holding register with node red. Not it same time but by sequencial read. please help me --- ## [Postmessage from Node-Red to webpage](https://discourse.nodered.org/t/postmessage-from-node-red-to-webpage/66514)
**Author:** [@werneroostendorp](https://discourse.nodered.org/u/werneroostendorp)\ **Replies:** 0\ **Last updated:** [16 August 2022 19:16 UTC](https://discourse.nodered.org/t/postmessage-from-node-red-to-webpage/66514 "2022-08-16T19:16:58Z")
hi, i am trying to interact from Node-Red towards a webpage (online POS) via Postmessage. already tried a lot of options but without succes. Hope someone can help me getting started. Is there a node where i can pass … --- ## [Problem to get robust Modbus connection to SMA Inverter](https://discourse.nodered.org/t/problem-to-get-robust-modbus-connection-to-sma-inverter/66343)
**Author:** [@klaus123](https://discourse.nodered.org/u/klaus123)\ **Replies:** 23\ **Last updated:** [16 August 2022 18:48 UTC](https://discourse.nodered.org/t/problem-to-get-robust-modbus-connection-to-sma-inverter/66343 "2022-08-16T18:48:26Z")
Hallo I run Node Red in a Home Assistant environment as an Add-on. I have a TCP-connection to a SMA Tripower Inverter and read date via Modbus-Getter which works fine in general, but after some minutes, hours, days or… --- ## [How to make a OK/Cancel Dialog open a window in a browser](https://discourse.nodered.org/t/how-to-make-a-ok-cancel-dialog-open-a-window-in-a-browser/66507)
**Author:** [@Wilay](https://discourse.nodered.org/u/Wilay)\ **Replies:** 2\ **Last updated:** [16 August 2022 18:29 UTC](https://discourse.nodered.org/t/how-to-make-a-ok-cancel-dialog-open-a-window-in-a-browser/66507 "2022-08-16T18:29:29Z")
I've tried everything and I am beyond confused right now. I am trying to make it so when I click on the Confirm button of my dialog (Dashboard nodes), it redirects me to a certain URL. I know I could use the UI Control n… --- ## [Uibuilder web components](https://discourse.nodered.org/t/uibuilder-web-components/66453)
**Author:** [@magicman](https://discourse.nodered.org/u/magicman)\ **Replies:** 3\ **Last updated:** [16 August 2022 17:29 UTC](https://discourse.nodered.org/t/uibuilder-web-components/66453 "2022-08-16T17:29:11Z")
Hi, i am attempting to send a temperature value of lets say 29 to uibuilder using web components i have an inject button that sends this:- { "method": "update", "id": "otemp", } i also send a msg.payload of "29" i… --- ## [MQTT was working well then not - NR says connected but no data](https://discourse.nodered.org/t/mqtt-was-working-well-then-not-nr-says-connected-but-no-data/66503)
**Author:** [@rbmgf7](https://discourse.nodered.org/u/rbmgf7)\ **Replies:** 3\ **Last updated:** [16 August 2022 15:54 UTC](https://discourse.nodered.org/t/mqtt-was-working-well-then-not-nr-says-connected-but-no-data/66503 "2022-08-16T15:54:49Z")
Noob problems. Had Mosquitto and NR running well for a couple days then suddenly this morning, it just stopped. I was suddenly getting erratic data on another subscribed client. Ran a debug on NR and the data was sporad… --- ## [Scheduling MQTT](https://discourse.nodered.org/t/scheduling-mqtt/66472)
**Author:** [@mynoderocks](https://discourse.nodered.org/u/mynoderocks)\ **Replies:** 14\ **Last updated:** [16 August 2022 15:48 UTC](https://discourse.nodered.org/t/scheduling-mqtt/66472 "2022-08-16T15:48:17Z")
I am sure this is a really quick question, I have just confused myself :slight\_smile: I have a value from MQTT that I want to store at 23:55pm every night. It is the total kWh that IoT device has logged for the day (so … --- ## [Node-RED Docker Container SSL](https://discourse.nodered.org/t/node-red-docker-container-ssl/66501)
**Author:** [@dereckradford](https://discourse.nodered.org/u/dereckradford)\ **Replies:** 1\ **Last updated:** [16 August 2022 15:26 UTC](https://discourse.nodered.org/t/node-red-docker-container-ssl/66501 "2022-08-16T15:26:22Z")
I have been struggling to get my node-red container secure as it doesn't seem to like the settings.js. I have installed the SSL's in /data/ but I get the following error below. I have tried specifying in the config /data… --- ## [Array Manipulation](https://discourse.nodered.org/t/array-manipulation/66329)
**Author:** [@Jaime\_G](https://discourse.nodered.org/u/Jaime_G)\ **Replies:** 12\ **Last updated:** [16 August 2022 14:41 UTC](https://discourse.nodered.org/t/array-manipulation/66329 "2022-08-16T14:41:42Z")
Hello community! Hopefully a simple and fast one here, I'm reading four registers using a Modbus read and need to convert this to date/time using epoch (a great discussion already posted in this forum on how to do that … --- ## [ Can I get information of logged in user in a node in js file?](https://discourse.nodered.org/t/can-i-get-information-of-logged-in-user-in-a-node-in-js-file/66155)
**Author:** [@BlackFlower](https://discourse.nodered.org/u/BlackFlower)\ **Replies:** 7\ **Last updated:** [16 August 2022 14:07 UTC](https://discourse.nodered.org/t/can-i-get-information-of-logged-in-user-in-a-node-in-js-file/66155 "2022-08-16T14:07:22Z")
Can I now get logged in user information when I'm on node-red-contrib? And how to get it? Thanks, --- ## [Chart JS error update value horizontal line](https://discourse.nodered.org/t/chart-js-error-update-value-horizontal-line/66466)
**Author:** [@DiogoI4.0](https://discourse.nodered.org/u/DiogoI4.0)\ **Replies:** 5\ **Last updated:** [16 August 2022 12:34 UTC](https://discourse.nodered.org/t/chart-js-error-update-value-horizontal-line/66466 "2022-08-16T12:34:22Z")
\ Hi everyone, my first question on the forum so I'm sorry if I'm doing something wrong. I'm using the chartJS library inside HTML to work better later with Node-RED. However… [Previous page](https://discourse.nodered.org/c/general/7.md?page=333) [Next page](https://discourse.nodered.org/c/general/7.md?page=335)