# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=175

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

**Page:** 176

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## [Sending general files, json files, images over MQTT between different Node-Red devices](https://discourse.nodered.org/t/sending-general-files-json-files-images-over-mqtt-between-different-node-red-devices/81512)

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**Author:** [@dr\_cave\_dweller](https://discourse.nodered.org/u/dr_cave_dweller)\
**Replies:** 4\
**Last updated:** [23 September 2023 10:58 UTC](https://discourse.nodered.org/t/sending-general-files-json-files-images-over-mqtt-between-different-node-red-devices/81512 "2023-09-23T10:58:14Z")

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Is this possible to send files over MQTT using the Node-Red MQTT nodes? I have tried using FTP to send files between different devices running Node-Red on same network but can't get it working. I however can send data …

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## [How to extract a substring from a payload and feed it into a input\_text in home assistant?](https://discourse.nodered.org/t/how-to-extract-a-substring-from-a-payload-and-feed-it-into-a-input-text-in-home-assistant/81502)

<div class="topic-metadata">

**Author:** [@marcor78](https://discourse.nodered.org/u/marcor78)\
**Replies:** 3\
**Last updated:** [23 September 2023 08:35 UTC](https://discourse.nodered.org/t/how-to-extract-a-substring-from-a-payload-and-feed-it-into-a-input-text-in-home-assistant/81502 "2023-09-23T08:35:34Z")

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Hello, it's driving me nuts and surely there's a simple answer that I just can't see right now... I have a payload like this ":soccer: 90+1' Gol! 0 - \[1\] Canotto L." and I want to extract the result (which in this ca…

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## [€ symbol on LCD with node-red-contrib-pcf8574-lcd](https://discourse.nodered.org/t/symbol-on-lcd-with-node-red-contrib-pcf8574-lcd/81507)

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**Author:** [@Nice\_to\_have](https://discourse.nodered.org/u/Nice_to_have)\
**Replies:** 0\
**Last updated:** [23 September 2023 06:11 UTC](https://discourse.nodered.org/t/symbol-on-lcd-with-node-red-contrib-pcf8574-lcd/81507 "2023-09-23T06:11:28Z")

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Hi everyone, I got an LCD20X4 with a pcf8574. Using node-red-contrib-pcf8574-lcd from @edrean, i can display almost everything I want, except for special characters. The € symbol comes out as a \[ ' \] but then upsi…

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## [Stop and reset countdown clock instead of restart](https://discourse.nodered.org/t/stop-and-reset-countdown-clock-instead-of-restart/81468)

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**Author:** [@Observatory\_Gromme](https://discourse.nodered.org/u/Observatory_Gromme)\
**Replies:** 7\
**Last updated:** [22 September 2023 18:45 UTC](https://discourse.nodered.org/t/stop-and-reset-countdown-clock-instead-of-restart/81468 "2023-09-22T18:45:19Z")

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Dear, I have installed an emergency close system with a 10 minute interval with option to stop / reset. For visual / dashboard inspection, i have setup a "donut shaped" gauge countdown. Problem: Clicking ABORT will s…

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## [InfluxDB unable to parse invalid boolean](https://discourse.nodered.org/t/influxdb-unable-to-parse-invalid-boolean/81482)

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**Author:** [@Paular](https://discourse.nodered.org/u/Paular)\
**Replies:** 2\
**Last updated:** [22 September 2023 15:54 UTC](https://discourse.nodered.org/t/influxdb-unable-to-parse-invalid-boolean/81482 "2023-09-22T15:54:06Z")

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Hello, When I inject the following json into influxdb out node I encounter the following error : Error: A 400 Bad Request error occurred: {"error":"unable to parse 'msg.payload fields=\[object Object\],measurement=\\"ther…

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## [Shelly 2nd generation devices & MQTT node](https://discourse.nodered.org/t/shelly-2nd-generation-devices-mqtt-node/81400)

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**Author:** [@jnn](https://discourse.nodered.org/u/jnn)\
**Replies:** 12\
**Last updated:** [22 September 2023 14:43 UTC](https://discourse.nodered.org/t/shelly-2nd-generation-devices-mqtt-node/81400 "2023-09-22T14:43:01Z")

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Hello, I'm a beginner when it comes to MQTT, and I'm trying to understand Shelly's API documentation for the 2nd generation devices. I have successfully subscribed to the following topics to work with MQTT in Node-RED: …

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## [How to send simulated data to Grafana cloud](https://discourse.nodered.org/t/how-to-send-simulated-data-to-grafana-cloud/81451)

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**Author:** [@allienka](https://discourse.nodered.org/u/allienka)\
**Replies:** 0\
**Last updated:** [20 September 2023 11:16 UTC](https://discourse.nodered.org/t/how-to-send-simulated-data-to-grafana-cloud/81451 "2023-09-20T11:16:30Z")

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Hi, Im trying to send simulated data in node-red to grafana cloud. Im using INJECT NODE-\>FUNCTION NODE (for the data) and HTTP REQUEST NODE -\>DEBUG NODE what do I need to fill in the HTTP Request node to that the data …

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## [Setting - adminauth - autologin causes infinite loop if user unauthorized](https://discourse.nodered.org/t/setting-adminauth-autologin-causes-infinite-loop-if-user-unauthorized/81489)

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**Author:** [@DJDev](https://discourse.nodered.org/u/DJDev)\
**Replies:** 3\
**Last updated:** [22 September 2023 13:22 UTC](https://discourse.nodered.org/t/setting-adminauth-autologin-causes-infinite-loop-if-user-unauthorized/81489 "2023-09-22T13:22:47Z")

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Scenario: NodeRed is secured with an oidc flow by implementing the adminauth setting (type strategy). option autologin is set to true, so the user will have to log in using the configured identity provider. A user logs i…

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## [Potential Bug with modbus over serial on bullseye](https://discourse.nodered.org/t/potential-bug-with-modbus-over-serial-on-bullseye/81463)

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**Author:** [@rxunique](https://discourse.nodered.org/u/rxunique)\
**Replies:** 5\
**Last updated:** [22 September 2023 06:29 UTC](https://discourse.nodered.org/t/potential-bug-with-modbus-over-serial-on-bullseye/81463 "2023-09-22T06:29:51Z")

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Hi Everyone I might have found a potential bug on node red 3.1 Environment Pi4b with bullseye 32bit Nodered 3.1 installed via script start as service on boot node-red-contrib-modbus 5.26.0 bare minimum flow setup as …

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## [Failure installing node-red-contrib-rfxcom](https://discourse.nodered.org/t/failure-installing-node-red-contrib-rfxcom/81445)

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**Author:** [@jonnyfarmer](https://discourse.nodered.org/u/jonnyfarmer)\
**Replies:** 10\
**Last updated:** [21 September 2023 22:16 UTC](https://discourse.nodered.org/t/failure-installing-node-red-contrib-rfxcom/81445 "2023-09-21T22:16:20Z")

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Sadly I am way out of my depth with a failure to install the node-red-contrib-rfxcom module. I'm running Node Red v3.0.2 on Dietpi v8.21.1 and Node.js v20.2.0. 2023-09-19T21\_49\_45\_647Z-debug-0.log (127.7 KB) I can't st…

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## [Update Node.js 12.22.12 to latest version question](https://discourse.nodered.org/t/update-node-js-12-22-12-to-latest-version-question/80666)

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**Author:** [@gschmidt](https://discourse.nodered.org/u/gschmidt)\
**Replies:** 27\
**Last updated:** [21 September 2023 18:37 UTC](https://discourse.nodered.org/t/update-node-js-12-22-12-to-latest-version-question/80666 "2023-09-21T18:37:19Z")

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Hi, I have a Raspberry Pi (3b with Raspian Buster) running Node-Red. Some Nodes which I use in my flows need an update. However Node.js is still on version 12.22.12 and to update these Nodes to latest version I need N…

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## [Modbus/TCP integration of a new Wallbox](https://discourse.nodered.org/t/modbus-tcp-integration-of-a-new-wallbox/81480)

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**Author:** [@ruffieuxh](https://discourse.nodered.org/u/ruffieuxh)\
**Replies:** 0\
**Last updated:** [21 September 2023 18:21 UTC](https://discourse.nodered.org/t/modbus-tcp-integration-of-a-new-wallbox/81480 "2023-09-21T18:21:20Z")

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Hi, I successfully implemented my first Modbus/TCP Wallbox (charger for e-car) using Modbus Nodes a year ago. Now I purchased a new (simpler) one and am struggling to address it with Modbus Nodes. I can address the new…

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## [How to save credentials in node-red-contrib-azure-blob-storage-aleph](https://discourse.nodered.org/t/how-to-save-credentials-in-node-red-contrib-azure-blob-storage-aleph/81478)

<div class="topic-metadata">

**Author:** [@macamachog](https://discourse.nodered.org/u/macamachog)\
**Replies:** 0\
**Last updated:** [21 September 2023 16:42 UTC](https://discourse.nodered.org/t/how-to-save-credentials-in-node-red-contrib-azure-blob-storage-aleph/81478 "2023-09-21T16:42:31Z")

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I specifically want to save Storage Account Name and Key through container image, don't know if I have to adjust setting file or other file, because in flows.json it doesn't save that info as happen on other nodes. pleas…

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## [Sharing and Embeding - how can I share a flow?](https://discourse.nodered.org/t/sharing-and-embeding-how-can-i-share-a-flow/81475)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 2\
**Last updated:** [21 September 2023 16:09 UTC](https://discourse.nodered.org/t/sharing-and-embeding-how-can-i-share-a-flow/81475 "2023-09-21T16:09:56Z")

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Where is this "Share Flow" option - I can't find it :frowning:

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## [UK Met office weather images API](https://discourse.nodered.org/t/uk-met-office-weather-images-api/81456)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 13\
**Last updated:** [21 September 2023 11:27 UTC](https://discourse.nodered.org/t/uk-met-office-weather-images-api/81456 "2023-09-21T11:27:07Z")

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Has anyone managed to download map images from the Met Office? Is there something peculiar about the format? I have httpStatic setup correctly, so I can display some downloaded PNG images on the dashboard. The Met …

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## [Stuck with "text to speech" (WATSON) node](https://discourse.nodered.org/t/stuck-with-text-to-speech-watson-node/81211)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [21 September 2023 09:12 UTC](https://discourse.nodered.org/t/stuck-with-text-to-speech-watson-node/81211 "2023-09-21T09:12:35Z")

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Many years ago I installed the WATSON text to speech node - for the fun of it. It works and I was happy. (This is on my main machine.) (Sorry if I should ask on github and not here.) I've decided to maybe implemen…

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## [Ethercat beckhoff EK1100](https://discourse.nodered.org/t/ethercat-beckhoff-ek1100/997)

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**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\
**Replies:** 2\
**Last updated:** [21 September 2023 03:07 UTC](https://discourse.nodered.org/t/ethercat-beckhoff-ek1100/997 "2023-09-21T03:07:47Z")

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Has anybody being able to control ethercat beckhoff modules trough a raspi and node red? Just found info regarding codesys which is a specific system thay you need to purchase or of course twincat under windows but I wo…

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## [Help with timing messages being sent](https://discourse.nodered.org/t/help-with-timing-messages-being-sent/81447)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [20 September 2023 20:39 UTC](https://discourse.nodered.org/t/help-with-timing-messages-being-sent/81447 "2023-09-20T20:39:26Z")

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I am a bit stuck for words - so I guess that is why I am not getting any progress - how to explain this exactly, but here goes: Scenario: 5 second time frame. There are 5 messages to send depending on input. Say 1 is…

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## [Dashboard another page as my homepage](https://discourse.nodered.org/t/dashboard-another-page-as-my-homepage/81403)

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**Author:** [@ahtdf](https://discourse.nodered.org/u/ahtdf)\
**Replies:** 15\
**Last updated:** [20 September 2023 17:21 UTC](https://discourse.nodered.org/t/dashboard-another-page-as-my-homepage/81403 "2023-09-20T17:21:22Z")

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Hello can I choose another page as my homepage? When I enter ip:1880/ui the "Benutzermeneu" page should appear Gruß Arno translated with Google

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## [Hue magic and tuya LSC](https://discourse.nodered.org/t/hue-magic-and-tuya-lsc/81059)

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**Author:** [@davidd1205](https://discourse.nodered.org/u/davidd1205)\
**Replies:** 8\
**Last updated:** [20 September 2023 14:22 UTC](https://discourse.nodered.org/t/hue-magic-and-tuya-lsc/81059 "2023-09-20T14:22:41Z")

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Hello, new to Node-RED, I'm gradually discovering the immense possibilities it offers. I've successfully integrated my Hue lights using Node Hue Magic, and everything is working correctly. I've also integrated non-Zigbe…

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## [How to compare char with num](https://discourse.nodered.org/t/how-to-compare-char-with-num/81452)

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**Author:** [@gideon](https://discourse.nodered.org/u/gideon)\
**Replies:** 2\
**Last updated:** [20 September 2023 12:38 UTC](https://discourse.nodered.org/t/how-to-compare-char-with-num/81452 "2023-09-20T12:38:36Z")

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I get a message from a serial port every second. The message is text like "8\\r\\n" and I need to ask if it over then 55 . I only look at the number like here 8. The problem is that I try to compare char with a number …

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## [When I deploy, i recived one error "PayloadTooLargeError: request entity too large"](https://discourse.nodered.org/t/when-i-deploy-i-recived-one-error-payloadtoolargeerror-request-entity-too-large/81450)

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**Author:** [@oriolvives](https://discourse.nodered.org/u/oriolvives)\
**Replies:** 1\
**Last updated:** [20 September 2023 11:28 UTC](https://discourse.nodered.org/t/when-i-deploy-i-recived-one-error-payloadtoolargeerror-request-entity-too-large/81450 "2023-09-20T11:28:51Z")

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Hi I use node-red, since 2019. I use node-red, to know the temperatures of frozen, and I use a lot of flows. Now, when I insert a node and I want to deploy, I receive an error. And I don't know who to repair I insert…

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## [Separate out different messages](https://discourse.nodered.org/t/separate-out-different-messages/81426)

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**Author:** [@garthpaine](https://discourse.nodered.org/u/garthpaine)\
**Replies:** 5\
**Last updated:** [19 September 2023 20:13 UTC](https://discourse.nodered.org/t/separate-out-different-messages/81426 "2023-09-19T20:13:58Z")

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I want to know when I get a LoRA Join message rather than other data packets - so for instance the following is a join message - I want to separate out these from other messages - but trying to look for instance --- if …

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## [Blynk-Iot-client socket error](https://discourse.nodered.org/t/blynk-iot-client-socket-error/81439)

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**Author:** [@AnandJhaveri](https://discourse.nodered.org/u/AnandJhaveri)\
**Replies:** 0\
**Last updated:** [19 September 2023 19:17 UTC](https://discourse.nodered.org/t/blynk-iot-client-socket-error/81439 "2023-09-19T19:17:50Z")

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My configuration: NodeRed v3.0.2 running on Raspberry Pi 4 with 8gb memory node-red-contrib-blynk-iot v1.0.0 I am using the node-red-contrib-blynk-iot to connect NR to my Blynk screen running on my iPhone 13, running …

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## [Switch Fibaro wall plug on/off](https://discourse.nodered.org/t/switch-fibaro-wall-plug-on-off/81394)

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**Author:** [@barnyundmax](https://discourse.nodered.org/u/barnyundmax)\
**Replies:** 1\
**Last updated:** [19 September 2023 16:19 UTC](https://discourse.nodered.org/t/switch-fibaro-wall-plug-on-off/81394 "2023-09-19T16:19:51Z")

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Hi all, i am quite new in using Node Red. I try to build a flow to switch a FIBARO wall plug on/off via a switch node. The wall plug is working when i switch it on/off via Z-WAVE JS -\> binary switch -\> target value. I…

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## [How to support Extended UTF8 characters in MQTT Payload](https://discourse.nodered.org/t/how-to-support-extended-utf8-characters-in-mqtt-payload/81331)

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**Author:** [@Steph](https://discourse.nodered.org/u/Steph)\
**Replies:** 5\
**Last updated:** [19 September 2023 15:30 UTC](https://discourse.nodered.org/t/how-to-support-extended-utf8-characters-in-mqtt-payload/81331 "2023-09-19T15:30:27Z")

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Hello Everyone, I am developing a Dashboard on Node-Red. I am receiving MQTT messages This is an example of the message I can receive : There is a field \_name that I cannot control and that can contain extended UTF8…

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## [Creating Motion-Activated Lights with Timer Reset](https://discourse.nodered.org/t/creating-motion-activated-lights-with-timer-reset/81436)

<div class="topic-metadata">

**Author:** [@kineci](https://discourse.nodered.org/u/kineci)\
**Replies:** 3\
**Last updated:** [19 September 2023 14:02 UTC](https://discourse.nodered.org/t/creating-motion-activated-lights-with-timer-reset/81436 "2023-09-19T14:02:49Z")

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Hello, I'm working on my first automation project using Node-RED, and I need assistance in creating a flow that controls my lights based on motion detection. Before I proceed, let me address the guidelines: Research:…

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## [Link-call nodes: visually showing the connections to link-in node](https://discourse.nodered.org/t/link-call-nodes-visually-showing-the-connections-to-link-in-node/81396)

<div class="topic-metadata">

**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 15\
**Last updated:** [19 September 2023 09:55 UTC](https://discourse.nodered.org/t/link-call-nodes-visually-showing-the-connections-to-link-in-node/81396 "2023-09-19T09:55:25Z")

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Hi There! I have come to use link-call nodes extensively and one thing I find difficult is seeing the connection to the link-in node. I can open the side-panel with all link-in nodes and the node that the link-call is c…

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## [Opc Ua and Certificate](https://discourse.nodered.org/t/opc-ua-and-certificate/81023)

<div class="topic-metadata">

**Author:** [@matteovi](https://discourse.nodered.org/u/matteovi)\
**Replies:** 3\
**Last updated:** [19 September 2023 09:21 UTC](https://discourse.nodered.org/t/opc-ua-and-certificate/81023 "2023-09-19T09:21:35Z")

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Hi, I have a problem with opc ua connection and certificate. This is Console log problem. I only try to connect with one item node and one opc client node.

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## [Crypto node dynamically set encryption key](https://discourse.nodered.org/t/crypto-node-dynamically-set-encryption-key/81430)

<div class="topic-metadata">

**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 1\
**Last updated:** [19 September 2023 05:52 UTC](https://discourse.nodered.org/t/crypto-node-dynamically-set-encryption-key/81430 "2023-09-19T05:52:27Z")

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Hi everyone, I'm working on a project where I read an encryption key from an EEPROM chip and store it in the global context. I'm looking for a crypto node that allows me to set the encryption key dynamically during runt…

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