# Latest

**URL:** https://discourse.nodered.org/latest.md?page=625

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

**Page:** 626

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## [Monitoring Raspberry Pi devices using Node-RED](https://discourse.nodered.org/t/monitoring-raspberry-pi-devices-using-node-red/58409)

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**Author:** [@khodz](https://discourse.nodered.org/u/khodz)\
**Replies:** 10\
**Last updated:** [20 February 2022 19:15 UTC](https://discourse.nodered.org/t/monitoring-raspberry-pi-devices-using-node-red/58409 "2022-02-20T19:15:17Z")

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Hi All, Completely new to Node-RED and hence to the forum. This is a very generic question in the hope that someone has done something similar and could share their thoughts and advice. I'm using a large number of Rasp…

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## [How can i connect csv-file (read/write) to UI-Etable (editable)](https://discourse.nodered.org/t/how-can-i-connect-csv-file-read-write-to-ui-etable-editable/58707)

<div class="topic-metadata">

**Author:** [@tech152](https://discourse.nodered.org/u/tech152)\
**Replies:** 0\
**Last updated:** [20 February 2022 18:37 UTC](https://discourse.nodered.org/t/how-can-i-connect-csv-file-read-write-to-ui-etable-editable/58707 "2022-02-20T18:37:34Z")

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Hello, i´m new in node-red and java and have already implemented a small projects with node red with read/write a csv an show in ui-table in dashboard. That works so far. Now i need an editable table (Contrib-UI-Etabl…

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## [RaspberryPi OS Bullseye and xrdp not working](https://discourse.nodered.org/t/raspberrypi-os-bullseye-and-xrdp-not-working/56796)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 15\
**Last updated:** [20 February 2022 16:07 UTC](https://discourse.nodered.org/t/raspberrypi-os-bullseye-and-xrdp-not-working/56796 "2022-02-20T16:07:56Z")

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I am trying to set up a new Raspi with Bullseye. Unfortunately xrdp is not working. Does anybody have the same problem and eventually a solution?

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## [Referencing common entries from message catalog for packages with scoped name](https://discourse.nodered.org/t/referencing-common-entries-from-message-catalog-for-packages-with-scoped-name/58681)

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**Author:** [@jens\_rossbach](https://discourse.nodered.org/u/jens_rossbach)\
**Replies:** 2\
**Last updated:** [20 February 2022 14:20 UTC](https://discourse.nodered.org/t/referencing-common-entries-from-message-catalog-for-packages-with-scoped-name/58681 "2022-02-20T14:20:52Z")

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Hi, I'm currently implementing a new node package having a scoped name according to the new naming conventions. Now I noticed that Node-RED seems to have problems referencing common entries from the message catalog for …

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## [Ggwave to wav/mp3 buffer](https://discourse.nodered.org/t/ggwave-to-wav-mp3-buffer/58656)

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**Author:** [@lizzardguki](https://discourse.nodered.org/u/lizzardguki)\
**Replies:** 2\
**Last updated:** [20 February 2022 14:19 UTC](https://discourse.nodered.org/t/ggwave-to-wav-mp3-buffer/58656 "2022-02-20T14:19:46Z")

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A while back i created a node minimodem which was using an old cli application for (de)coding strings to audio... This only worked on the server-side, playing/listening on a default audio device. It runs great but I nee…

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## [Incorrectly formatted json string](https://discourse.nodered.org/t/incorrectly-formatted-json-string/58693)

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**Author:** [@GrantWise](https://discourse.nodered.org/u/GrantWise)\
**Replies:** 3\
**Last updated:** [20 February 2022 13:48 UTC](https://discourse.nodered.org/t/incorrectly-formatted-json-string/58693 "2022-02-20T13:48:36Z")

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Hi, I am very new to node-red and MQTT so the problem that I have found has taken me a while to pin down. I have a device that is logging the temperature on 3 channels, currently I only have 1 working, which I want to lo…

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## [Dynamic node settings](https://discourse.nodered.org/t/dynamic-node-settings/57134)

<div class="topic-metadata">

**Author:** [@PiMo131](https://discourse.nodered.org/u/PiMo131)\
**Replies:** 6\
**Last updated:** [20 February 2022 13:43 UTC](https://discourse.nodered.org/t/dynamic-node-settings/57134 "2022-02-20T13:43:54Z")

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Hi, ussually with node README's there is some information about dynamically setting field with a msg.xxx For below case it could be that the node information will state that the phone# can be set by sending msg.phonen…

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## [Cronplus node, location as an environment or context variable](https://discourse.nodered.org/t/cronplus-node-location-as-an-environment-or-context-variable/58687)

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**Author:** [@DaddelLinux](https://discourse.nodered.org/u/DaddelLinux)\
**Replies:** 2\
**Last updated:** [20 February 2022 13:33 UTC](https://discourse.nodered.org/t/cronplus-node-location-as-an-environment-or-context-variable/58687 "2022-02-20T13:33:52Z")

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Hi there, I would like to assign an environment or context variable to the location in solar events mode. Having had no success with it myself so far, I need your help. Can anyone tell me if that is possible? An exampl…

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## [I want to remove one \] from string](https://discourse.nodered.org/t/i-want-to-remove-one-from-string/58692)

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**Author:** [@vaibhavnaware01](https://discourse.nodered.org/u/vaibhavnaware01)\
**Replies:** 2\
**Last updated:** [20 February 2022 13:26 UTC](https://discourse.nodered.org/t/i-want-to-remove-one-from-string/58692 "2022-02-20T13:26:58Z")

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how to remove last bracket in nodered?

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## [Searching files in container](https://discourse.nodered.org/t/searching-files-in-container/58685)

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**Author:** [@novski](https://discourse.nodered.org/u/novski)\
**Replies:** 0\
**Last updated:** [20 February 2022 12:05 UTC](https://discourse.nodered.org/t/searching-files-in-container/58685 "2022-02-20T12:05:05Z")

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I'm searching for the correct path to my keyfile. My docker container running my NR 2.2.2. has following path to my filesystem: docker volume ls DRIVER VOLUME NAME local 9bfb5c... local 50222... local no…

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## [Node-red-contrib-ramp-thermostat delay issue](https://discourse.nodered.org/t/node-red-contrib-ramp-thermostat-delay-issue/58646)

<div class="topic-metadata">

**Author:** [@magicman](https://discourse.nodered.org/u/magicman)\
**Replies:** 2\
**Last updated:** [20 February 2022 11:42 UTC](https://discourse.nodered.org/t/node-red-contrib-ramp-thermostat-delay-issue/58646 "2022-02-20T11:42:08Z")

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hi, i use this node to control my heating and worked well but noticed a delay in updating target temp output is this the norm? or something i have done? notice the target temp output dosent match the schedule target t…

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## [Unable to get audio out of 3.5mm jack](https://discourse.nodered.org/t/unable-to-get-audio-out-of-3-5mm-jack/58580)

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**Author:** [@mark.lucas](https://discourse.nodered.org/u/mark.lucas)\
**Replies:** 19\
**Last updated:** [20 February 2022 11:40 UTC](https://discourse.nodered.org/t/unable-to-get-audio-out-of-3-5mm-jack/58580 "2022-02-20T11:40:51Z")

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Hi All, I'm sure this is a fairly common issue, however, I am unable to find a solution. I am trying to create a warning system using node red (raspberry pi) and a two way radio. I cant get the speakerpi node to work …

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## [No payload returned](https://discourse.nodered.org/t/no-payload-returned/58680)

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**Author:** [@podi62](https://discourse.nodered.org/u/podi62)\
**Replies:** 2\
**Last updated:** [20 February 2022 11:20 UTC](https://discourse.nodered.org/t/no-payload-returned/58680 "2022-02-20T11:20:25Z")

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I'm trying to create a histogram like structure using the function below but can't get ti return any payload. Any ideas? var Hy64={}; var arr\[\]; for (j=1;j\<129; j+=2) { Hy64.labels\[j\]=j; Hy64.labels\[j+1\]=j; ar…

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## [Node red dashboard accessing from internet](https://discourse.nodered.org/t/node-red-dashboard-accessing-from-internet/58637)

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**Author:** [@alda](https://discourse.nodered.org/u/alda)\
**Replies:** 7\
**Last updated:** [20 February 2022 11:02 UTC](https://discourse.nodered.org/t/node-red-dashboard-accessing-from-internet/58637 "2022-02-20T11:02:39Z")

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I want ask how to access node red dashboard from the internet. On the router I can set port forwatding, but actual ip adress od the dashboard is 192.168.0.200:1880/ui problem is, that I'm not able add /ui. And if I wil…

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## [Display records of any tables from Database](https://discourse.nodered.org/t/display-records-of-any-tables-from-database/58674)

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**Author:** [@pio43](https://discourse.nodered.org/u/pio43)\
**Replies:** 1\
**Last updated:** [20 February 2022 08:57 UTC](https://discourse.nodered.org/t/display-records-of-any-tables-from-database/58674 "2022-02-20T08:57:22Z")

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Hello, I am connecting to a postgresql database through Node-red dashboard I would like to do a dashboard that allow me to dynamically make a query on any tables in the database (populating the Query form using a SQL …

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## [Transfer energy prices from API to Node-red to Grafana (European Commission Infrastructure Forum)](https://discourse.nodered.org/t/transfer-energy-prices-from-api-to-node-red-to-grafana-european-commission-infrastructure-forum/11328)

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**Author:** [@ole88](https://discourse.nodered.org/u/ole88)\
**Replies:** 4\
**Last updated:** [20 February 2022 07:51 UTC](https://discourse.nodered.org/t/transfer-energy-prices-from-api-to-node-red-to-grafana-european-commission-infrastructure-forum/11328 "2022-02-20T07:51:31Z")

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Hi. I was wondering if anyone could help me set up a graph of Day-ahed prices. I have influxdb, grafana running, and node-red. I primary need help with configure the url to get a correct xml file to node-red. Day ahed …

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## [What is wrong with this function code?](https://discourse.nodered.org/t/what-is-wrong-with-this-function-code/58672)

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**Author:** [@LosinIt](https://discourse.nodered.org/u/LosinIt)\
**Replies:** 2\
**Last updated:** [20 February 2022 03:46 UTC](https://discourse.nodered.org/t/what-is-wrong-with-this-function-code/58672 "2022-02-20T03:46:22Z")

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From everything I've been able to find this code in a function in a subflow should produce 2 output connectors, the 2nd for the subflow status to connect to. But there is only 1 connector. if (isNaN(msg.payload)) { …

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## [How to get subflow's parent's flow variable value where the flow variable can change](https://discourse.nodered.org/t/how-to-get-subflows-parents-flow-variable-value-where-the-flow-variable-can-change/58655)

<div class="topic-metadata">

**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 12\
**Last updated:** [20 February 2022 00:54 UTC](https://discourse.nodered.org/t/how-to-get-subflows-parents-flow-variable-value-where-the-flow-variable-can-change/58655 "2022-02-20T00:54:53Z")

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I keep the power states of some lights in flow variables, for example: flow.garageeavelights flow.backyardfloowlight flow.drivewayflood And I have a number of switch nodes that use jsonata to see if the saved value dif…

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## [Items on dashboard don't match what is on the edit screen](https://discourse.nodered.org/t/items-on-dashboard-dont-match-what-is-on-the-edit-screen/58638)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [19 February 2022 19:56 UTC](https://discourse.nodered.org/t/items-on-dashboard-dont-match-what-is-on-the-edit-screen/58638 "2022-02-19T19:56:07Z")

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I was just editing one of my screens and noticed the buttons weren't in a nice order, so I wanted to move them to a better order. Starting at the top: Telemetry List Event Health History IR control Real World …

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## [Subflow $ENV variable names feature request](https://discourse.nodered.org/t/subflow-env-variable-names-feature-request/58636)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [19 February 2022 21:22 UTC](https://discourse.nodered.org/t/subflow-env-variable-names-feature-request/58636 "2022-02-19T21:22:10Z")

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Subflows have an option to have $ENV variables set and used. But unless you read the documentation - and that it is correct - you may miss one. An option to make required $ENV variable names shown by Default when set. …

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## [Extract data from msg.payload.response](https://discourse.nodered.org/t/extract-data-from-msg-payload-response/58664)

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**Author:** [@old-hell](https://discourse.nodered.org/u/old-hell)\
**Replies:** 4\
**Last updated:** [19 February 2022 20:25 UTC](https://discourse.nodered.org/t/extract-data-from-msg-payload-response/58664 "2022-02-19T20:25:31Z")

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Hi, Id like to extract an integer from a msg.payload.response I just need the power data. tried many functions, but don't get it. can someone help me out here? this is the payload result: { "power": 3.037565, "rela…

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## [Stop message payload from repeatedly sending](https://discourse.nodered.org/t/stop-message-payload-from-repeatedly-sending/58660)

<div class="topic-metadata">

**Author:** [@Luminary](https://discourse.nodered.org/u/Luminary)\
**Replies:** 1\
**Last updated:** [19 February 2022 20:00 UTC](https://discourse.nodered.org/t/stop-message-payload-from-repeatedly-sending/58660 "2022-02-19T20:00:31Z")

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Hello all, I'm new to node red (and code in general), and I could use some tips on this one. We have a sauna with a temperature sensor inside that's hooked up to our Home Assistant. I have an events state node set up to …

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## [How to initiate very first message from telegram bot? Where a user never chatted/interacted with that bot](https://discourse.nodered.org/t/how-to-initiate-very-first-message-from-telegram-bot-where-a-user-never-chatted-interacted-with-that-bot/58647)

<div class="topic-metadata">

**Author:** [@RavinderSingh13](https://discourse.nodered.org/u/RavinderSingh13)\
**Replies:** 6\
**Last updated:** [19 February 2022 16:32 UTC](https://discourse.nodered.org/t/how-to-initiate-very-first-message-from-telegram-bot-where-a-user-never-chatted-interacted-with-that-bot/58647 "2022-02-19T16:32:50Z")

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Hello All, Greetings!! I am coming across a requirement where I need to initiate messages to user(s) without their first interaction(NOT even once they interacted with BOT I mean) they should receive messages send by my…

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## [Deploying/upgrading node red application](https://discourse.nodered.org/t/deploying-upgrading-node-red-application/58624)

<div class="topic-metadata">

**Author:** [@jtheoret-hardt](https://discourse.nodered.org/u/jtheoret-hardt)\
**Replies:** 3\
**Last updated:** [19 February 2022 15:49 UTC](https://discourse.nodered.org/t/deploying-upgrading-node-red-application/58624 "2022-02-19T15:49:11Z")

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I have a Node Red application that runs on Raspberry Pi controls an industrial device. The application is in fact it's a hybrid Python/Flask REST API and Node Red package. The current deployment flow is quite tedious. W…

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## [Mqtt data to Domoticz IDX](https://discourse.nodered.org/t/mqtt-data-to-domoticz-idx/58476)

<div class="topic-metadata">

**Author:** [@Smitex](https://discourse.nodered.org/u/Smitex)\
**Replies:** 11\
**Last updated:** [19 February 2022 15:24 UTC](https://discourse.nodered.org/t/mqtt-data-to-domoticz-idx/58476 "2022-02-19T15:24:04Z")

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Hi, I want to inport data from MQTT to a certain IDX in Domoticz this is wat I read in MQTT Explorer, Topïc FlowA { "devices": "A", "payload": { "Input": 23,12; "Output": 23,18 "Flow": 0.19; "Watt":-50,17 } …

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## [Node-red-contrib-dynamic-thermostat switch state?](https://discourse.nodered.org/t/node-red-contrib-dynamic-thermostat-switch-state/58648)

<div class="topic-metadata">

**Author:** [@magicman](https://discourse.nodered.org/u/magicman)\
**Replies:** 2\
**Last updated:** [19 February 2022 14:15 UTC](https://discourse.nodered.org/t/node-red-contrib-dynamic-thermostat-switch-state/58648 "2022-02-19T14:15:45Z")

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i am attempting to use this dynamic thermostat with a underfloor heating project but in testing found that whenever i update the current it changes the switch state to true thereby locking the output on. the yellow l…

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## [Getting an error related to telegram receiver node](https://discourse.nodered.org/t/getting-an-error-related-to-telegram-receiver-node/58594)

<div class="topic-metadata">

**Author:** [@RavinderSingh13](https://discourse.nodered.org/u/RavinderSingh13)\
**Replies:** 16\
**Last updated:** [19 February 2022 13:09 UTC](https://discourse.nodered.org/t/getting-an-error-related-to-telegram-receiver-node/58594 "2022-02-19T13:09:57Z")

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Hello Experts, I have newly installed node-red in Ubuntu 20 OS successfully. I have installed node-red-contrib-telegrambot package from npm too. But when I am simply importing "receiver" node of teelgram its keep giving…

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## [Multi-user suggestions/thoughts](https://discourse.nodered.org/t/multi-user-suggestions-thoughts/58639)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [19 February 2022 11:55 UTC](https://discourse.nodered.org/t/multi-user-suggestions-thoughts/58639 "2022-02-19T11:55:53Z")

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Ok, I know SFA about a lot of it, but as an external perspective. Could there be something like a global.context which is set to different levels of access to the nodes. Then, as users log in that global.context is set…

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## [Node red and snapshots](https://discourse.nodered.org/t/node-red-and-snapshots/58643)

<div class="topic-metadata">

**Author:** [@pilou8830](https://discourse.nodered.org/u/pilou8830)\
**Replies:** 1\
**Last updated:** [19 February 2022 11:30 UTC](https://discourse.nodered.org/t/node-red-and-snapshots/58643 "2022-02-19T11:30:05Z")

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hello is it possible to have images or fluw in notification on my smartphone, via node red? I have an ESP32-CAM type camera (see photo) and I installed ESPhome addon I am a Home Assistant Supervisor. I tried severa…

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## [CSV input - publish MQTT topics](https://discourse.nodered.org/t/csv-input-publish-mqtt-topics/58632)

<div class="topic-metadata">

**Author:** [@trialnerror](https://discourse.nodered.org/u/trialnerror)\
**Replies:** 5\
**Last updated:** [19 February 2022 11:21 UTC](https://discourse.nodered.org/t/csv-input-publish-mqtt-topics/58632 "2022-02-19T11:21:10Z")

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This is my first project with Node-Red, and my previous programming was a decade ago with VBA, so apologies in advance. I am trying to pull in CSV data from an http request (that's pretty simple, I think I have that par…

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