# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=437

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

**Page:** 438

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## [Flow stops when using FILE node](https://discourse.nodered.org/t/flow-stops-when-using-file-node/56667)

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**Author:** [@Alberto132](https://discourse.nodered.org/u/Alberto132)\
**Replies:** 5\
**Last updated:** [17 January 2022 19:50 UTC](https://discourse.nodered.org/t/flow-stops-when-using-file-node/56667 "2022-01-17T19:50:45Z")

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Hello all, I have tried to set a flow that writes three diferent files in a local folder. I am running it in Localhost with Docker. When I try to run it, the flow has some strange behaviours as soon as I introduce the F…

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## [Is it possible to receive customized opcua EventTypes over node-red-contrib-opcua?](https://discourse.nodered.org/t/is-it-possible-to-receive-customized-opcua-eventtypes-over-node-red-contrib-opcua/56518)

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**Author:** [@eastling](https://discourse.nodered.org/u/eastling)\
**Replies:** 2\
**Last updated:** [17 January 2022 19:39 UTC](https://discourse.nodered.org/t/is-it-possible-to-receive-customized-opcua-eventtypes-over-node-red-contrib-opcua/56518 "2022-01-17T19:39:20Z")

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Hi, I have a similar question to Lena from this topic ( Is it possible to receive customized OPC UA A&C EventTypes over node-red-contrib-opcua? ). So in one of my cases I have this customized EventType "JobInfoEventTyp…

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## [Counting messages per main topic](https://discourse.nodered.org/t/counting-messages-per-main-topic/56814)

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**Author:** [@mzsolnay](https://discourse.nodered.org/u/mzsolnay)\
**Replies:** 4\
**Last updated:** [17 January 2022 17:48 UTC](https://discourse.nodered.org/t/counting-messages-per-main-topic/56814 "2022-01-17T17:48:06Z")

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Hi, Looking for advice/solution for the following problem: A got an mqtt broker with lots of topics and subtopics. I wish to get a list of main topics, and check how many messages are published per each main topic, in…

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## [Telegram receiver stoped working](https://discourse.nodered.org/t/telegram-receiver-stoped-working/56801)

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**Author:** [@geieraffe](https://discourse.nodered.org/u/geieraffe)\
**Replies:** 4\
**Last updated:** [17 January 2022 14:52 UTC](https://discourse.nodered.org/t/telegram-receiver-stoped-working/56801 "2022-01-17T14:52:36Z")

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Ok, so my telegram receiver stopped receiving "all" chat messages. I do know, it received the messages at some point. But for now, it only receives messages starting with an "/". This is described in the following thr…

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## [A bug, or a misunderstanding on my end?](https://discourse.nodered.org/t/a-bug-or-a-misunderstanding-on-my-end/56744)

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**Author:** [@Timmiej93](https://discourse.nodered.org/u/Timmiej93)\
**Replies:** 16\
**Last updated:** [17 January 2022 13:39 UTC](https://discourse.nodered.org/t/a-bug-or-a-misunderstanding-on-my-end/56744 "2022-01-17T13:39:32Z")

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I'm new to Node-RED, but not new to programming, so I have a basic understanding of what should work. Since I'm new though, I thought I'd see what you people say before I report a bug. I have the this setup in a change n…

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## [Hex array question](https://discourse.nodered.org/t/hex-array-question/56795)

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**Author:** [@fsaavedra](https://discourse.nodered.org/u/fsaavedra)\
**Replies:** 1\
**Last updated:** [17 January 2022 13:27 UTC](https://discourse.nodered.org/t/hex-array-question/56795 "2022-01-17T13:27:29Z")

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I have a data string that comes from a Modbus module that is (\[0x6F, 0x03, 0x01, 0x02, 0x03, 0x01, 0x8C, 0x84\]), what I want is to take bytes 3 and 4 and join them like this: 0x02 and 0x03 = 203 and transform those 203 …

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## [Resolve conflict in node red, show - 1 unresolved conflict](https://discourse.nodered.org/t/resolve-conflict-in-node-red-show-1-unresolved-conflict/56794)

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**Author:** [@essereumano](https://discourse.nodered.org/u/essereumano)\
**Replies:** 1\
**Last updated:** [17 January 2022 12:06 UTC](https://discourse.nodered.org/t/resolve-conflict-in-node-red-show-1-unresolved-conflict/56794 "2022-01-17T12:06:46Z")

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Hi everyone, I have activated projects and cloned a repository from github, when I create new local branches and connect them to remote branches I am shown an error that there are conflicts that cannot be solved automati…

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## [Help with Multiple conditions for actions in my security system](https://discourse.nodered.org/t/help-with-multiple-conditions-for-actions-in-my-security-system/56761)

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**Author:** [@Termentum](https://discourse.nodered.org/u/Termentum)\
**Replies:** 2\
**Last updated:** [17 January 2022 11:38 UTC](https://discourse.nodered.org/t/help-with-multiple-conditions-for-actions-in-my-security-system/56761 "2022-01-17T11:38:18Z")

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Hello everybody, I have a question regarding a simple solution to create conditions in a string for my security system. What i would like to do is simple, "When front door is opened (on/off sensor) & if at that same ti…

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## [Water Level Meter - SR04M-2](https://discourse.nodered.org/t/water-level-meter-sr04m-2/56580)

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**Author:** [@pierrot](https://discourse.nodered.org/u/pierrot)\
**Replies:** 20\
**Last updated:** [17 January 2022 11:23 UTC](https://discourse.nodered.org/t/water-level-meter-sr04m-2/56580 "2022-01-17T11:23:48Z")

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Hello, i have the above code for monitor how much water in my container using the ultrasonic sensor . height of the container is 68 cm . when the container have about 80% of water the gauge gives me -1450% and wrong nu…

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## [Pass input parameters to a phytonshell node using sys.argv: IndexError: list index out of range](https://discourse.nodered.org/t/pass-input-parameters-to-a-phytonshell-node-using-sys-argv-indexerror-list-index-out-of-range/56709)

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**Author:** [@miinch](https://discourse.nodered.org/u/miinch)\
**Replies:** 3\
**Last updated:** [17 January 2022 08:52 UTC](https://discourse.nodered.org/t/pass-input-parameters-to-a-phytonshell-node-using-sys-argv-indexerror-list-index-out-of-range/56709 "2022-01-17T08:52:30Z")

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Hi all, sorry for the very long message. Following up with this post Pass input parameters to a script using pythonshell node I'm trying to pass 4 arguments (altitude, azimuth, solar radiation), from an MQTT server t…

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## [Why NodeRed is calling for synch process](https://discourse.nodered.org/t/why-nodered-is-calling-for-synch-process/56679)

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**Author:** [@alilib](https://discourse.nodered.org/u/alilib)\
**Replies:** 3\
**Last updated:** [17 January 2022 06:40 UTC](https://discourse.nodered.org/t/why-nodered-is-calling-for-synch-process/56679 "2022-01-17T06:40:13Z")

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Hi everyone, I am quite new with NodeRed therefore, please bear with me. I have a situation that NodeRed flows linked to synchronization with EBS platform are triggered automatically every 6 hours. Is there a way to che…

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## [Update Problem with node-red-contrib-netatmo 0.3.0](https://discourse.nodered.org/t/update-problem-with-node-red-contrib-netatmo-0-3-0/56745)

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**Author:** [@fuul](https://discourse.nodered.org/u/fuul)\
**Replies:** 2\
**Last updated:** [17 January 2022 06:27 UTC](https://discourse.nodered.org/t/update-problem-with-node-red-contrib-netatmo-0-3-0/56745 "2022-01-17T06:27:46Z")

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Hi Guys, i'm unable to update the node-red-contrib-netatmo 0.3.0 package. i receive this failure: 2022-01-16T12:33:44.597Z installieren : node-red-contrib-netatmo 0.3.0 2022-01-16T12:33:44.663Z npm install --no-audit …

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## [Newbie on HTML. Looking to extract value](https://discourse.nodered.org/t/newbie-on-html-looking-to-extract-value/56755)

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**Author:** [@hengy77](https://discourse.nodered.org/u/hengy77)\
**Replies:** 16\
**Last updated:** [17 January 2022 01:59 UTC](https://discourse.nodered.org/t/newbie-on-html-looking-to-extract-value/56755 "2022-01-17T01:59:46Z")

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I'm trying to extract a value from the Honeywell https://www.mytotalconnectcomfort.com/ site. I'm using the html node and am very unskilled in extracting data. I'm trying to extract this value. 52. I've tried adding div…

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## [Parse string to get a link](https://discourse.nodered.org/t/parse-string-to-get-a-link/56753)

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**Author:** [@Lafayette](https://discourse.nodered.org/u/Lafayette)\
**Replies:** 3\
**Last updated:** [16 January 2022 23:52 UTC](https://discourse.nodered.org/t/parse-string-to-get-a-link/56753 "2022-01-16T23:52:31Z")

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Hi, i'm trying to get a link inside the payload of the Twitter node : "Tonga : Animation satellite qui montre l'explosion suivie d'un important panache de fumée qui s'est élevée dans l'atmosphère suite à l'éruption du vo…

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## [If Than Else Regex Question Not Matching String](https://discourse.nodered.org/t/if-than-else-regex-question-not-matching-string/56751)

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**Author:** [@aa0z](https://discourse.nodered.org/u/aa0z)\
**Replies:** 4\
**Last updated:** [16 January 2022 18:54 UTC](https://discourse.nodered.org/t/if-than-else-regex-question-not-matching-string/56751 "2022-01-16T18:54:34Z")

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Need some help with a basic regex issue that I've been battling for a while. I have this payload. In my function node, I do NOT want to pass any message that contains the words QRT, caps do not matter. I've tried a…

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## [How the get the current OS User?](https://discourse.nodered.org/t/how-the-get-the-current-os-user/56699)

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**Author:** [@patofoto](https://discourse.nodered.org/u/patofoto)\
**Replies:** 10\
**Last updated:** [16 January 2022 17:13 UTC](https://discourse.nodered.org/t/how-the-get-the-current-os-user/56699 "2022-01-16T17:13:15Z")

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I need to get the current OS user to be able to write a path variable. I have downloaded node-red-contrib-os but are still not getting the current username. I want to set a variable that gets the current username to set …

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## [Node-Red not reachable after irregular time intervals](https://discourse.nodered.org/t/node-red-not-reachable-after-irregular-time-intervals/56689)

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**Author:** [@Crashy77](https://discourse.nodered.org/u/Crashy77)\
**Replies:** 29\
**Last updated:** [16 January 2022 16:34 UTC](https://discourse.nodered.org/t/node-red-not-reachable-after-irregular-time-intervals/56689 "2022-01-16T16:34:47Z")

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There´s no fixed time, but node-red is not reachable. Putty -\> Network error: Connection timed out Powershell -\> connect to host: connection timed out Node-Red via browser -\> site not reachable ping -\> host not reach…

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## [Cannot export flow to clipboard](https://discourse.nodered.org/t/cannot-export-flow-to-clipboard/56750)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 2\
**Last updated:** [16 January 2022 16:20 UTC](https://discourse.nodered.org/t/cannot-export-flow-to-clipboard/56750 "2022-01-16T16:20:09Z")

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Today I can't copy flow JSON to the clipboard via Export, any previous clipboard contents are not replaced. It's happening in Node-Red 2.1.5 and 2.2.0-beta1 on two different Raspberries, Firefox and Edge browsers on Win…

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## [Node red multi-line status](https://discourse.nodered.org/t/node-red-multi-line-status/8775)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 37\
**Last updated:** [16 January 2022 13:13 UTC](https://discourse.nodered.org/t/node-red-multi-line-status/8775 "2022-01-16T13:13:49Z")

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When working on functions in Node-Red I frequently use the status info you can get out of a function node.. For example.. node.status({fill:"blue",shape:"dot",text:msg.topic + ": " + msg.payload + " "+ global.get("hand…

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## [Execute only once on telegram bot](https://discourse.nodered.org/t/execute-only-once-on-telegram-bot/56735)

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**Author:** [@HantuRaya](https://discourse.nodered.org/u/HantuRaya)\
**Replies:** 2\
**Last updated:** [16 January 2022 10:41 UTC](https://discourse.nodered.org/t/execute-only-once-on-telegram-bot/56735 "2022-01-16T10:41:32Z")

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Hello everyone, I'm totally new to Node-RED (5 days) How can i only execute 1 command when everytime I call my telegram bot? by the way this is my flow, suggestions welcome :smiley: and i want to ask one more thing, w…

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## [Refused to connect after tried connecting to firebase and Exception code access violation](https://discourse.nodered.org/t/refused-to-connect-after-tried-connecting-to-firebase-and-exception-code-access-violation/56694)

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**Author:** [@falia](https://discourse.nodered.org/u/falia)\
**Replies:** 1\
**Last updated:** [16 January 2022 07:23 UTC](https://discourse.nodered.org/t/refused-to-connect-after-tried-connecting-to-firebase-and-exception-code-access-violation/56694 "2022-01-16T07:23:01Z")

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Hello :grinning: I'm using windows 11 and tried to connect node-red to firebase real-time database using node-red-contrib-firebase palette. But after the flow shows disconnected, node-red keeps on lost connection. I res…

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## [Modbus-Read works the first time, then stops working](https://discourse.nodered.org/t/modbus-read-works-the-first-time-then-stops-working/54427)

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**Author:** [@joseamirandavelez](https://discourse.nodered.org/u/joseamirandavelez)\
**Replies:** 1\
**Last updated:** [16 January 2022 05:13 UTC](https://discourse.nodered.org/t/modbus-read-works-the-first-time-then-stops-working/54427 "2022-01-16T05:13:06Z")

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I have a flow with multiple modbus-read nodes that works the first time it executes, and then every node seems to stay connected (status says connected). They are set to execute every 1 minute. When it executes a second …

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## [API access to homeassistant server config](https://discourse.nodered.org/t/api-access-to-homeassistant-server-config/56720)

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**Author:** [@ifonul](https://discourse.nodered.org/u/ifonul)\
**Replies:** 0\
**Last updated:** [16 January 2022 01:17 UTC](https://discourse.nodered.org/t/api-access-to-homeassistant-server-config/56720 "2022-01-16T01:17:46Z")

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Hi all, new to NR. Great product! I am trying to do the following: programmatically (re)connect a NR installation to its HA (after a backup). I need an automatic installation of HA Core + NR. I know I can do it from UI,…

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## [Pass input parameters to a script using pythonshell node](https://discourse.nodered.org/t/pass-input-parameters-to-a-script-using-pythonshell-node/56432)

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**Author:** [@miinch](https://discourse.nodered.org/u/miinch)\
**Replies:** 2\
**Last updated:** [15 January 2022 20:45 UTC](https://discourse.nodered.org/t/pass-input-parameters-to-a-script-using-pythonshell-node/56432 "2022-01-15T20:45:54Z")

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Hi all, I hope I can find some help regarding the following: I'm using pythonshell node to execute a script for statistical prediction, using input parameters obtained from a weather station via MQTT (sun altitude and a…

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## [No more incoming events from alexa-remote2-applestrudel](https://discourse.nodered.org/t/no-more-incoming-events-from-alexa-remote2-applestrudel/55511)

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**Author:** [@Sylvan](https://discourse.nodered.org/u/Sylvan)\
**Replies:** 6\
**Last updated:** [15 January 2022 19:35 UTC](https://discourse.nodered.org/t/no-more-incoming-events-from-alexa-remote2-applestrudel/55511 "2022-01-15T19:35:05Z")

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I use node-red-contrib-alexa-remote2-applestrudel to implement the connection to Amazon Alexa. For a long time, this worked absolutely well. However, for about 2 months now, I no longer receive any incoming events. Al…

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## [uiBuilder output not correct](https://discourse.nodered.org/t/uibuilder-output-not-correct/56704)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 4\
**Last updated:** [15 January 2022 19:15 UTC](https://discourse.nodered.org/t/uibuilder-output-not-correct/56704 "2022-01-15T19:15:02Z")

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Hi, I copied this flow \[{"id":"1a7c5d0e.0fdc73","type":"uibuilder","z":"ecf6c177bd041232","name":"","topic":"","url":"uibuilder","fwdInMessages":false,"allowScripts":false,"allowStyles":false,"copyIndex":true,"templ…

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## [How to download a webcam picture from URL and save it to folder](https://discourse.nodered.org/t/how-to-download-a-webcam-picture-from-url-and-save-it-to-folder/56674)

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**Author:** [@gotsila](https://discourse.nodered.org/u/gotsila)\
**Replies:** 2\
**Last updated:** [15 January 2022 14:17 UTC](https://discourse.nodered.org/t/how-to-download-a-webcam-picture-from-url-and-save-it-to-folder/56674 "2022-01-15T14:17:31Z")

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Hello, i want to download the webcam picture from https://regiowebcam.de/fileadmin/user\_upload/01\_storch\_kirchzarten2021.jpg?ver=1639302266349 and save it to a folder. i want this to do later with Davinci Resolve a sma…

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## [Preserving original payload in a flow for later processing](https://discourse.nodered.org/t/preserving-original-payload-in-a-flow-for-later-processing/56691)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 3\
**Last updated:** [15 January 2022 10:08 UTC](https://discourse.nodered.org/t/preserving-original-payload-in-a-flow-for-later-processing/56691 "2022-01-15T10:08:17Z")

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I've got an issue and I'm wondering if there is a simple solution My real flow makes a Pi speak to an Alexa echo so ends converting text to an mp3 For monitoring / debugging purposes I want to keep the original text bo…

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## [Raspberry Pi + DHT22’s + Relays = Problems](https://discourse.nodered.org/t/raspberry-pi-dht22-s-relays-problems/56676)

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**Author:** [@Milkyzor](https://discourse.nodered.org/u/Milkyzor)\
**Replies:** 12\
**Last updated:** [15 January 2022 09:50 UTC](https://discourse.nodered.org/t/raspberry-pi-dht22-s-relays-problems/56676 "2022-01-15T09:50:06Z")

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Hi guys, I have a few questions to ask and I’m hoping there’s someone here who can help me out. So basically, me and my friend we decided to make a controller that controls the temperature and humidity of room. At the…

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## [Http request node stopped working after update to node red 2.1 - but only for https://tesla.com (solved)](https://discourse.nodered.org/t/http-request-node-stopped-working-after-update-to-node-red-2-1-but-only-for-https-tesla-com-solved/56681)

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**Author:** [@MAK](https://discourse.nodered.org/u/MAK)\
**Replies:** 2\
**Last updated:** [15 January 2022 08:57 UTC](https://discourse.nodered.org/t/http-request-node-stopped-working-after-update-to-node-red-2-1-but-only-for-https-tesla-com-solved/56681 "2022-01-15T08:57:19Z")

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Hi, after updating to node red 2.1.5 (from a 1.2 install on an ubuntu server) I've troubles with the http-request node. The node is requesting the page, but gets "no response from server". Log says ""TimeoutError: Timeo…

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