# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=248

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

**Page:** 249

---

## [Webhook urelesini nerden bulucaz](https://discourse.nodered.org/t/webhook-urelesini-nerden-bulucaz/75073)

<div class="topic-metadata">

**Author:** [@zafer3](https://discourse.nodered.org/u/zafer3)\
**Replies:** 1\
**Last updated:** [12 February 2023 15:09 UTC](https://discourse.nodered.org/t/webhook-urelesini-nerden-bulucaz/75073 "2023-02-12T15:09:20Z")

</div>

ben bulamadım bilen varsa yardımcı olursa sevinirim

---

## [Node Red und Zwangsstellung 2bit DPT](https://discourse.nodered.org/t/node-red-und-zwangsstellung-2bit-dpt/75044)

<div class="topic-metadata">

**Author:** [@MKnoblauch](https://discourse.nodered.org/u/MKnoblauch)\
**Replies:** 5\
**Last updated:** [12 February 2023 14:59 UTC](https://discourse.nodered.org/t/node-red-und-zwangsstellung-2bit-dpt/75044 "2023-02-12T14:59:23Z")

</div>

Ich möchte die Reedkontakte meiner Fenster auswerten. Diese werden als 1bit Wert gesendet. Über Node Red möchte ich nun auswerten ob Reedkontakt geschlossen (false) oder offen (true) ist. Da ich für die GA der Zwangsstel…

---

## [How to send mqtt out to trigger siren?](https://discourse.nodered.org/t/how-to-send-mqtt-out-to-trigger-siren/75006)

<div class="topic-metadata">

**Author:** [@AndKe](https://discourse.nodered.org/u/AndKe)\
**Replies:** 12\
**Last updated:** [12 February 2023 07:19 UTC](https://discourse.nodered.org/t/how-to-send-mqtt-out-to-trigger-siren/75006 "2023-02-12T07:19:42Z")

</div>

I have this device: ...and struggle with "how to configure this item" ...so that it triggers the alarm. Basically : how to set "alarm=True"

---

## [Get a msg from a Slider or other Node at startup](https://discourse.nodered.org/t/get-a-msg-from-a-slider-or-other-node-at-startup/75008)

<div class="topic-metadata">

**Author:** [@psdonald42](https://discourse.nodered.org/u/psdonald42)\
**Replies:** 2\
**Last updated:** [12 February 2023 03:06 UTC](https://discourse.nodered.org/t/get-a-msg-from-a-slider-or-other-node-at-startup/75008 "2023-02-12T03:06:21Z")

</div>

Hi All, First Post. I am creating a flow with a slider and a chart. I am also using a trigger to keep the chart flowing with the last msg. All good. However At startup there is no msg for the trigger to send and so th…

---

## [Jsonata in the editor](https://discourse.nodered.org/t/jsonata-in-the-editor/75055)

<div class="topic-metadata">

**Author:** [@nileio](https://discourse.nodered.org/u/nileio)\
**Replies:** 2\
**Last updated:** [12 February 2023 02:25 UTC](https://discourse.nodered.org/t/jsonata-in-the-editor/75055 "2023-02-12T02:25:49Z")

</div>

Hi all, in the previous versions of node-red , while inside a jsonata expression editor, when you higlight a function, it used to bring the information related to the selected function reference without the need to go t…

---

## [Has anyone used the 'pdfmake' node to embed an image in a document?](https://discourse.nodered.org/t/has-anyone-used-the-pdfmake-node-to-embed-an-image-in-a-document/74978)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 12\
**Last updated:** [11 February 2023 17:55 UTC](https://discourse.nodered.org/t/has-anyone-used-the-pdfmake-node-to-embed-an-image-in-a-document/74978 "2023-02-11T17:55:29Z")

</div>

I'm trying to use this node to create a PDF from a 'document description' as a project for my IoT students to automatically create a newsletter using text and images from external sources. So far text insertion works fin…

---

## [Node-red-contrib-i2c - Help](https://discourse.nodered.org/t/node-red-contrib-i2c-help/75013)

<div class="topic-metadata">

**Author:** [@Sineos](https://discourse.nodered.org/u/Sineos)\
**Replies:** 3\
**Last updated:** [11 February 2023 15:19 UTC](https://discourse.nodered.org/t/node-red-contrib-i2c-help/75013 "2023-02-11T15:19:02Z")

</div>

I want to use node-red-contrib-i2c to read an SHT31 sensor and whatever I do fail miserably: Flow\[ { "id": "a52d7898.c71278", "type": "i2c out", &qu…

---

## [Ewelink 2.0.0 Auth Failure](https://discourse.nodered.org/t/ewelink-2-0-0-auth-failure/75039)

<div class="topic-metadata">

**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\
**Replies:** 0\
**Last updated:** [11 February 2023 14:48 UTC](https://discourse.nodered.org/t/ewelink-2-0-0-auth-failure/75039 "2023-02-11T14:48:15Z")

</div>

I use Ewelink to control cottage heating, lighting, water heater etc from my home. I've had this running for a couple years now. I use a unique account in NR, devices are shared as required. For quite some time now …

---

## [Multiple line node comment](https://discourse.nodered.org/t/multiple-line-node-comment/74705)

<div class="topic-metadata">

**Author:** [@Geppy57](https://discourse.nodered.org/u/Geppy57)\
**Replies:** 2\
**Last updated:** [11 February 2023 13:15 UTC](https://discourse.nodered.org/t/multiple-line-node-comment/74705 "2023-02-11T13:15:50Z")

</div>

ONLY FOR DUMMIES LIKE ME : if you want write comment with more than one line, insert /n with spaces inside the text. Simple. e.g. OVERVIEW \\n OUT 6 \\n Actual power (KW)

---

## [Decoder for Zenner easyprotect smoke detetctor in function](https://discourse.nodered.org/t/decoder-for-zenner-easyprotect-smoke-detetctor-in-function/75033)

<div class="topic-metadata">

**Author:** [@m.hall](https://discourse.nodered.org/u/m.hall)\
**Replies:** 0\
**Last updated:** [11 February 2023 11:37 UTC](https://discourse.nodered.org/t/decoder-for-zenner-easyprotect-smoke-detetctor-in-function/75033 "2023-02-11T11:37:44Z")

</div>

hello together, has anyone possibly already written a decoder for the Zenner easyprotect smoke detector that works via lorawan?

---

## [Convert OpenWeather epoch time](https://discourse.nodered.org/t/convert-openweather-epoch-time/74939)

<div class="topic-metadata">

**Author:** [@HaVi](https://discourse.nodered.org/u/HaVi)\
**Replies:** 8\
**Last updated:** [11 February 2023 10:34 UTC](https://discourse.nodered.org/t/convert-openweather-epoch-time/74939 "2023-02-11T10:34:14Z")

</div>

From OpenWeatherMap I get the sunrise ("payload.sunrise") but it is in epoch format (see image). I am unable to program the function node to display the time in human readable format and I have also not been able to do s…

---

## [Request for Feedback: Which browser do you use to work with Node-RED?](https://discourse.nodered.org/t/request-for-feedback-which-browser-do-you-use-to-work-with-node-red/74943)

<div class="topic-metadata">

**Author:** [@ralphwetzel](https://discourse.nodered.org/u/ralphwetzel)\
**Replies:** 4\
**Last updated:** [11 February 2023 10:24 UTC](https://discourse.nodered.org/t/request-for-feedback-which-browser-do-you-use-to-work-with-node-red/74943 "2023-02-11T10:24:35Z")

</div>

The poll is open for one week. The current status of the poll is visible for everyone who voted - after having voted. Thank you for your feedback! poll

---

## [MSSQL Plus - New Feature Request - Allow creds on msg](https://discourse.nodered.org/t/mssql-plus-new-feature-request-allow-creds-on-msg/75025)

<div class="topic-metadata">

**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 1\
**Last updated:** [11 February 2023 09:57 UTC](https://discourse.nodered.org/t/mssql-plus-new-feature-request-allow-creds-on-msg/75025 "2023-02-11T09:57:37Z")

</div>

Hi , Is it possible to upgrade this node - such that if user/password/server/database/port - is defined on the msg (special attributes - msg.sqlsuser and so on ... ) - then the node - will take it from there - else cont…

---

## [How do you join payloads with same topic and keyed objects?](https://discourse.nodered.org/t/how-do-you-join-payloads-with-same-topic-and-keyed-objects/75019)

<div class="topic-metadata">

**Author:** [@JohnnyPicnic](https://discourse.nodered.org/u/JohnnyPicnic)\
**Replies:** 7\
**Last updated:** [11 February 2023 08:17 UTC](https://discourse.nodered.org/t/how-do-you-join-payloads-with-same-topic-and-keyed-objects/75019 "2023-02-11T08:17:56Z")

</div>

I can't get the all my data to join after setting the same topic for each payload. My payload has three types. Temperature, Humidity and Pressure. Ideally I would like a result of one payload with: { "Fri Feb 10 202…

---

## [Loading and streaming a sound file](https://discourse.nodered.org/t/loading-and-streaming-a-sound-file/75005)

<div class="topic-metadata">

**Author:** [@dh3jhz](https://discourse.nodered.org/u/dh3jhz)\
**Replies:** 2\
**Last updated:** [11 February 2023 07:29 UTC](https://discourse.nodered.org/t/loading-and-streaming-a-sound-file/75005 "2023-02-11T07:29:06Z")

</div>

Hi folks! I have a wave file containing a sound in a-law format (8khz, 8-bit). I need to load this file and to stream this via UDP/RTP to a receiver. I have absolutely no idea how to achive this. Any hints? Thanks a l…

---

## [Protobuf Wire format is invalid](https://discourse.nodered.org/t/protobuf-wire-format-is-invalid/74956)

<div class="topic-metadata">

**Author:** [@JohnnyPicnic](https://discourse.nodered.org/u/JohnnyPicnic)\
**Replies:** 1\
**Last updated:** [10 February 2023 22:49 UTC](https://discourse.nodered.org/t/protobuf-wire-format-is-invalid/74956 "2023-02-10T22:49:16Z")

</div>

Hello, I'm having trouble decoding a protobuf message. I'm not sure if it how i'm injecting the data or something with my protobuf settings. The message is: 0a0412345678100118b4014001220c080110bced949f0620002a00220c080…

---

## [Need help in Nested JSON object](https://discourse.nodered.org/t/need-help-in-nested-json-object/75010)

<div class="topic-metadata">

**Author:** [@dhanushmh](https://discourse.nodered.org/u/dhanushmh)\
**Replies:** 8\
**Last updated:** [10 February 2023 22:23 UTC](https://discourse.nodered.org/t/need-help-in-nested-json-object/75010 "2023-02-10T22:23:48Z")

</div>

I am trying to collect sensor data from ESP32 to RPi. I am getting a packet of data containing strings in intervals of 10secs(this can be changed). I am getting sensor data, along with geolocation and device ID which co…

---

## [Help with switching msg.payload based on serial buffer input](https://discourse.nodered.org/t/help-with-switching-msg-payload-based-on-serial-buffer-input/75012)

<div class="topic-metadata">

**Author:** [@mzychowicz](https://discourse.nodered.org/u/mzychowicz)\
**Replies:** 0\
**Last updated:** [10 February 2023 20:35 UTC](https://discourse.nodered.org/t/help-with-switching-msg-payload-based-on-serial-buffer-input/75012 "2023-02-10T20:35:01Z")

</div>

I am currently simulating devices via node red for codesys and receiving serial buffers. I would like to change the msg.payload based on the different buffer inputs. I am having trouble with the syntax. Please see the ph…

---

## [Recommendations on how to do logging through function nodes](https://discourse.nodered.org/t/recommendations-on-how-to-do-logging-through-function-nodes/74898)

<div class="topic-metadata">

**Author:** [@brolaugh](https://discourse.nodered.org/u/brolaugh)\
**Replies:** 6\
**Last updated:** [10 February 2023 20:23 UTC](https://discourse.nodered.org/t/recommendations-on-how-to-do-logging-through-function-nodes/74898 "2023-02-10T20:23:07Z")

</div>

I've read through the docs about logging here Logging : Node-RED where it mentions that there's several log levels. However... I haven't found how I can actually log to these different levels in a function node. What I h…

---

## [Time Calculation](https://discourse.nodered.org/t/time-calculation/74980)

<div class="topic-metadata">

**Author:** [@grant.cpt](https://discourse.nodered.org/u/grant.cpt)\
**Replies:** 2\
**Last updated:** [10 February 2023 20:21 UTC](https://discourse.nodered.org/t/time-calculation/74980 "2023-02-10T20:21:16Z")

</div>

Hi All, I've got a use case I want to try and solve. And that's calculating the time between for a value to change from x to y. Starting Temperature: 50 Time: 10:00:00 Next value: 51 Time: 10:05:00 So the output wi…

---

## [Join node gives different values when run. Assumption was that it would be same?](https://discourse.nodered.org/t/join-node-gives-different-values-when-run-assumption-was-that-it-would-be-same/74999)

<div class="topic-metadata">

**Author:** [@Soiski](https://discourse.nodered.org/u/Soiski)\
**Replies:** 5\
**Last updated:** [10 February 2023 17:06 UTC](https://discourse.nodered.org/t/join-node-gives-different-values-when-run-assumption-was-that-it-would-be-same/74999 "2023-02-10T17:06:31Z")

</div>

Hi, As many other I have barked my path to use nordpool data to find cheapest hours for electricity. The part getting the data, separating it and grouping it to 3hrs intervals (with 2 hrs overlap) works , but when it sho…

---

## [How to set the \_field tag to write to influxdb using the influxdb out node?](https://discourse.nodered.org/t/how-to-set-the-field-tag-to-write-to-influxdb-using-the-influxdb-out-node/74990)

<div class="topic-metadata">

**Author:** [@HerrLux](https://discourse.nodered.org/u/HerrLux)\
**Replies:** 4\
**Last updated:** [10 February 2023 17:05 UTC](https://discourse.nodered.org/t/how-to-set-the-field-tag-to-write-to-influxdb-using-the-influxdb-out-node/74990 "2023-02-10T17:05:20Z")

</div>

Hey everyone, I'm new to node-red and already learned a lot from browsing this forum. I have a little flow that right now uses a single object to write a value into influx db using the influxdb out node. My problem is…

---

## [Display POI on map taken from db and updated in realtime](https://discourse.nodered.org/t/display-poi-on-map-taken-from-db-and-updated-in-realtime/74997)

<div class="topic-metadata">

**Author:** [@Elberto](https://discourse.nodered.org/u/Elberto)\
**Replies:** 0\
**Last updated:** [10 February 2023 15:19 UTC](https://discourse.nodered.org/t/display-poi-on-map-taken-from-db-and-updated-in-realtime/74997 "2023-02-10T15:19:15Z")

</div>

Hi to all. I need to display POI, stored in db, on map but I am a beginner and I have many problems... I have POI coordinates and status stored on db, when I load map I need to display POIs regardless status (on status…

---

## [How read array?](https://discourse.nodered.org/t/how-read-array/74948)

<div class="topic-metadata">

**Author:** [@Elberto](https://discourse.nodered.org/u/Elberto)\
**Replies:** 3\
**Last updated:** [10 February 2023 15:43 UTC](https://discourse.nodered.org/t/how-read-array/74948 "2023-02-10T15:43:40Z")

</div>

Hi to all! I apologize but I am still newbie about nred... I need to display data on map, so I started reading data from sqlite table. I can correctly query my table using function but output is: array\[38\] 0: object …

---

## [I want to inject a timestamp in my existing flow after every 10 seconds](https://discourse.nodered.org/t/i-want-to-inject-a-timestamp-in-my-existing-flow-after-every-10-seconds/74982)

<div class="topic-metadata">

**Author:** [@Manish131rai](https://discourse.nodered.org/u/Manish131rai)\
**Replies:** 6\
**Last updated:** [10 February 2023 15:42 UTC](https://discourse.nodered.org/t/i-want-to-inject-a-timestamp-in-my-existing-flow-after-every-10-seconds/74982 "2023-02-10T15:42:01Z")

</div>

i want to actually refresh my data in the template node after every 60 seconds but it shows an error in debug node as (no object response) my flow : \[http request\] ------\>\[function node\](contains code to generate timest…

---

## [Automate clicking buttons on website](https://discourse.nodered.org/t/automate-clicking-buttons-on-website/74996)

<div class="topic-metadata">

**Author:** [@Romprod](https://discourse.nodered.org/u/Romprod)\
**Replies:** 0\
**Last updated:** [10 February 2023 15:09 UTC](https://discourse.nodered.org/t/automate-clicking-buttons-on-website/74996 "2023-02-10T15:09:29Z")

</div>

I'd like to automatically a daily visit to a website and click through each of the buttons but I'm unsure if this is possible, I was hoping that Nodered could be the solution for this. The website is flashscore.com and …

---

## [Unit testing nodes that connect to remote hosts](https://discourse.nodered.org/t/unit-testing-nodes-that-connect-to-remote-hosts/74969)

<div class="topic-metadata">

**Author:** [@dudest](https://discourse.nodered.org/u/dudest)\
**Replies:** 1\
**Last updated:** [10 February 2023 11:55 UTC](https://discourse.nodered.org/t/unit-testing-nodes-that-connect-to-remote-hosts/74969 "2023-02-10T11:55:29Z")

</div>

Greetings all, I'm interested to know you're approach to unit testing nodes that connect to remote hosts. Do you emulate them with tcp in/out nodes? do you omit unit testing altogether and test manually? Please share …

---

## [How to make a flow wait before triggering a node once more](https://discourse.nodered.org/t/how-to-make-a-flow-wait-before-triggering-a-node-once-more/74992)

<div class="topic-metadata">

**Author:** [@dcaccount](https://discourse.nodered.org/u/dcaccount)\
**Replies:** 1\
**Last updated:** [10 February 2023 11:46 UTC](https://discourse.nodered.org/t/how-to-make-a-flow-wait-before-triggering-a-node-once-more/74992 "2023-02-10T11:46:41Z")

</div>

Hello, I am pretty new to Node Red so I kindly ask for your help. I have an intrusion video alarm that when triggered sends an email to my Raspberry server. I have created a simple flow that checks the email received …

---

## [Nodered version 3.0](https://discourse.nodered.org/t/nodered-version-3-0/74985)

<div class="topic-metadata">

**Author:** [@daak](https://discourse.nodered.org/u/daak)\
**Replies:** 1\
**Last updated:** [10 February 2023 10:09 UTC](https://discourse.nodered.org/t/nodered-version-3-0/74985 "2023-02-10T10:09:10Z")

</div>

Hello I'm a beginner on Nodered and I can't connect my remotec on Nodered, I receive the following message"you must be logged in to deploy changes and " could not fetch nodes. Thank you

---

## [Stackhero-MYSql - Query not working](https://discourse.nodered.org/t/stackhero-mysql-query-not-working/74938)

<div class="topic-metadata">

**Author:** [@nico25](https://discourse.nodered.org/u/nico25)\
**Replies:** 2\
**Last updated:** [10 February 2023 10:07 UTC](https://discourse.nodered.org/t/stackhero-mysql-query-not-working/74938 "2023-02-10T10:07:49Z")

</div>

Hi everyone, I have a very strange problem with the Stackhero-MySQL-Node. When I pass the query using a simple inject node, it works and I get this reply from the server: {"\_msgid":"d855ae7a356ff9bc","topic":"SELECT \`…

[Previous page](https://discourse.nodered.org/c/general/7.md?page=247)

[Next page](https://discourse.nodered.org/c/general/7.md?page=249)