# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1171

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

**Page:** 1172

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## [Telegram error when sending message](https://discourse.nodered.org/t/telegram-error-when-sending-message/20237)

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**Author:** [@kanke](https://discourse.nodered.org/u/kanke)\
**Replies:** 11\
**Last updated:** [20 January 2020 16:34 UTC](https://discourse.nodered.org/t/telegram-error-when-sending-message/20237 "2020-01-20T16:34:45Z")

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I posted this in home assistant forum, it's actually a purely node red and telegram, nothing to do with home assistant: Does anyone have similar experience and how to fix it? Thanks.

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## [No response object with http in / http out](https://discourse.nodered.org/t/no-response-object-with-http-in-http-out/3173)

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**Author:** [@johntalbott](https://discourse.nodered.org/u/johntalbott)\
**Replies:** 6\
**Last updated:** [20 January 2020 14:32 UTC](https://discourse.nodered.org/t/no-response-object-with-http-in-http-out/3173 "2020-01-20T14:32:34Z")

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I'm new to node-red and testing a function node to return data from sql server via sequelize and http input / http output nodes. Data is returned to the function. My impression is that node.send is to be used for aync …

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## [Advise in using globals, flow vars en msg content](https://discourse.nodered.org/t/advise-in-using-globals-flow-vars-en-msg-content/20564)

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**Author:** [@pvanklink](https://discourse.nodered.org/u/pvanklink)\
**Replies:** 2\
**Last updated:** [20 January 2020 13:35 UTC](https://discourse.nodered.org/t/advise-in-using-globals-flow-vars-en-msg-content/20564 "2020-01-20T13:35:56Z")

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Hi, my management console is finished, and runs flawlessly and stably with node-red, mqtt, and various domoticz servers with rpis in the wan. I have some questions about the proper use of variables and to learn how to p…

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## [(Help with ws stream) ffmpeg and node-red](https://discourse.nodered.org/t/help-with-ws-stream-ffmpeg-and-node-red/20622)

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**Author:** [@Nxito](https://discourse.nodered.org/u/Nxito)\
**Replies:** 0\
**Last updated:** [20 January 2020 11:46 UTC](https://discourse.nodered.org/t/help-with-ws-stream-ffmpeg-and-node-red/20622 "2020-01-20T11:46:31Z")

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I want to use this ffmpeg command "ffmpeg -f rtsp -i" rtsp: // user: pass @ host: 554 / cam / realmonitor " -f mpegts -codec: v mpeg1video http://127.0.0.1:8081/password " My goal is to create a stream via websocket. …

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## [Editing \`function\` nodes. Weird happening with cursor](https://discourse.nodered.org/t/editing-function-nodes-weird-happening-with-cursor/20593)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 9\
**Last updated:** [20 January 2020 11:39 UTC](https://discourse.nodered.org/t/editing-function-nodes-weird-happening-with-cursor/20593 "2020-01-20T11:39:17Z")

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I am editing a function node. I double click on it and I see this: Note how the function part has a grey line and the cursor is there. Though you can't see it: it is blinking. Yet, when I start to type, the stuff I…

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## [UI Chart dynamic topic display](https://discourse.nodered.org/t/ui-chart-dynamic-topic-display/20614)

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**Author:** [@regissg](https://discourse.nodered.org/u/regissg)\
**Replies:** 2\
**Last updated:** [20 January 2020 11:22 UTC](https://discourse.nodered.org/t/ui-chart-dynamic-topic-display/20614 "2020-01-20T11:22:20Z")

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In my thermostat application I would like to display the temperature chart for each room. Using different topics for each room I could display all the rooms on the same chart. But is it possible to dynamically select t…

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## [FTP - cleartext session \<\< problem](https://discourse.nodered.org/t/ftp-cleartext-session-problem/20612)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 3\
**Last updated:** [20 January 2020 10:24 UTC](https://discourse.nodered.org/t/ftp-cleartext-session-problem/20612 "2020-01-20T10:24:41Z")

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I've revisited a NR-flow that uploads a photo from a RPi-camera to a remote server on my ISP. I had the flow working fine some months ago - but now it gives this error message. Here's a simple test flow, using node-red…

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## [Good usage of context.flow](https://discourse.nodered.org/t/good-usage-of-context-flow/20613)

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**Author:** [@etawyy](https://discourse.nodered.org/u/etawyy)\
**Replies:** 4\
**Last updated:** [20 January 2020 09:56 UTC](https://discourse.nodered.org/t/good-usage-of-context-flow/20613 "2020-01-20T09:56:09Z")

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I have a flow with lots of nodes and calls to my DBs, and I need to use at the end of the flow a field that was pulled from a DB at the beginning of the flow. So far I have been passing the value all along the message f…

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## [TypeError: Cannot read property 'id' of undefined](https://discourse.nodered.org/t/typeerror-cannot-read-property-id-of-undefined/20599)

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**Author:** [@juanes](https://discourse.nodered.org/u/juanes)\
**Replies:** 6\
**Last updated:** [20 January 2020 08:26 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-property-id-of-undefined/20599 "2020-01-20T08:26:27Z")

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I'm quite new to NodeRed. I'm trying to update a MySQL database using HTTP. I'm using Postman as an HTTP client, sending a PUT request as follows: The JSON outputted by the HTTP PUT request node is transformed to …

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## [The pallette - suggestion about collapsing groups](https://discourse.nodered.org/t/the-pallette-suggestion-about-collapsing-groups/20608)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [20 January 2020 03:57 UTC](https://discourse.nodered.org/t/the-pallette-suggestion-about-collapsing-groups/20608 "2020-01-20T03:57:51Z")

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Ok, you can collapse a group to reduce seeing that when scrolling through the nodes. My subflow list is getting quite big. I collapse it and it is good. But then I search for a node. The node becomes visible and I dr…

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## [WIFI lamp module recommendations](https://discourse.nodered.org/t/wifi-lamp-module-recommendations/20475)

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**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 24\
**Last updated:** [20 January 2020 03:39 UTC](https://discourse.nodered.org/t/wifi-lamp-module-recommendations/20475 "2020-01-20T03:39:31Z")

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My needs right now are for a non dimmable, non colour changing simple on / off wifi lamp module. Looked at several different ones but thought I'd see if anyone has an opinion about what was best or worst or experiences u…

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## [The little red triangles on nodes indicating an error](https://discourse.nodered.org/t/the-little-red-triangles-on-nodes-indicating-an-error/20594)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [19 January 2020 20:18 UTC](https://discourse.nodered.org/t/the-little-red-triangles-on-nodes-indicating-an-error/20594 "2020-01-19T20:18:45Z")

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I am (attempting to write some code in a function node. All being good and no errors shown, I click the ok button. I see an error triangle on the node. Opening the node again, I still don't see any errors. Kinda …

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## [Interface between Multitech Gateway and Proface HMI](https://discourse.nodered.org/t/interface-between-multitech-gateway-and-proface-hmi/20464)

<div class="topic-metadata">

**Author:** [@Partheepan](https://discourse.nodered.org/u/Partheepan)\
**Replies:** 2\
**Last updated:** [19 January 2020 19:22 UTC](https://discourse.nodered.org/t/interface-between-multitech-gateway-and-proface-hmi/20464 "2020-01-19T19:22:41Z")

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Hi, I would like to connect Multitech gateway to Proface HMI (SP5000 Series). I have sensors data streaming to my Node-RED online app through Multitech gateway. I would like to forward these data to Proface HMI device. …

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## [Node.js - Problem redirecting routine post method](https://discourse.nodered.org/t/node-js-problem-redirecting-routine-post-method/20586)

<div class="topic-metadata">

**Author:** [@Rngelmiguel](https://discourse.nodered.org/u/Rngelmiguel)\
**Replies:** 1\
**Last updated:** [19 January 2020 19:14 UTC](https://discourse.nodered.org/t/node-js-problem-redirecting-routine-post-method/20586 "2020-01-19T19:14:07Z")

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Hi everyone I write here for who can help me, since I'm new to NodeJS, I'm trying to do something simple, but in the end it doesn't work for me. I want from the frontend, to make a request to the backend, through the a…

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## [Full api in node red](https://discourse.nodered.org/t/full-api-in-node-red/20585)

<div class="topic-metadata">

**Author:** [@theobouwman](https://discourse.nodered.org/u/theobouwman)\
**Replies:** 4\
**Last updated:** [19 January 2020 18:50 UTC](https://discourse.nodered.org/t/full-api-in-node-red/20585 "2020-01-19T18:50:36Z")

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Hello, I would like to create fairly simple api's using node red. The ideal solution should be nodes implementing authentication, authorization and validation. Are there any nodes that provide these features or should…

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## [Get simple data into influxdb](https://discourse.nodered.org/t/get-simple-data-into-influxdb/20579)

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**Author:** [@Thorsten\_B](https://discourse.nodered.org/u/Thorsten_B)\
**Replies:** 4\
**Last updated:** [19 January 2020 17:37 UTC](https://discourse.nodered.org/t/get-simple-data-into-influxdb/20579 "2020-01-19T17:37:39Z")

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Hello, i am sure i read a possibility but i can´t detect it. I have a issue to create a right output for the Influxout node. Data comes as a String, in this are only one number and one unit. A Debug Node give me that…

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## [Working with more than one mqtt broker?](https://discourse.nodered.org/t/working-with-more-than-one-mqtt-broker/20577)

<div class="topic-metadata">

**Author:** [@klauskinski](https://discourse.nodered.org/u/klauskinski)\
**Replies:** 6\
**Last updated:** [19 January 2020 17:22 UTC](https://discourse.nodered.org/t/working-with-more-than-one-mqtt-broker/20577 "2020-01-19T17:22:28Z")

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Hi, I'm using the default built-in mqtt nodes. It works great with a single mqtt broker. However, I have different buildings and each has its own local MQTT broker. Some of the messages should replicate between differe…

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## [Collecting values for multiple variables before processing?](https://discourse.nodered.org/t/collecting-values-for-multiple-variables-before-processing/20570)

<div class="topic-metadata">

**Author:** [@klauskinski](https://discourse.nodered.org/u/klauskinski)\
**Replies:** 3\
**Last updated:** [19 January 2020 15:11 UTC](https://discourse.nodered.org/t/collecting-values-for-multiple-variables-before-processing/20570 "2020-01-19T15:11:23Z")

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Folks, I'm new to Node Red, but I did play around a bit. It seems that the Node Red processes individual messages and creates responses. i.e. there is a direct relationship between the input and output as 1-to-1... I re…

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## [Failing installing node-red-contrib-nube-logic 1.0.4](https://discourse.nodered.org/t/failing-installing-node-red-contrib-nube-logic-1-0-4/20409)

<div class="topic-metadata">

**Author:** [@MF85](https://discourse.nodered.org/u/MF85)\
**Replies:** 24\
**Last updated:** [19 January 2020 13:37 UTC](https://discourse.nodered.org/t/failing-installing-node-red-contrib-nube-logic-1-0-4/20409 "2020-01-19T13:37:33Z")

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Hi there. I've been trying install node-red-contrib-nube-logic by the "manage palette" set menu. But i get many errors. npm V 6.13.4 node V 12.14.1 Raspbian GNU/Linux 10 (buster) This is the node red error log: --…

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## [Dashboard layouts and the \*spacer node\*](https://discourse.nodered.org/t/dashboard-layouts-and-the-spacer-node/20568)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [19 January 2020 11:28 UTC](https://discourse.nodered.org/t/dashboard-layouts-and-the-spacer-node/20568 "2020-01-19T11:28:05Z")

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I'm still not getting something with the dashboard. There is a new option for a spacer which can be used to pad out the layout. This is the layout I want. Note the red arrow. If that is not there, the LCD control i…

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## [Serial port /dev/ttyUSB0 closed unexpectedly](https://discourse.nodered.org/t/serial-port-dev-ttyusb0-closed-unexpectedly/20549)

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**Author:** [@edje11](https://discourse.nodered.org/u/edje11)\
**Replies:** 3\
**Last updated:** [19 January 2020 11:05 UTC](https://discourse.nodered.org/t/serial-port-dev-ttyusb0-closed-unexpectedly/20549 "2020-01-19T11:05:40Z")

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Today I have update my NR on my pi3B+ from 0.20.7 to 1.0.3. At the same time I have update some nodes among which the serial port node from version unknown to 0.10.0. Since that moment my comport is giving an error in …

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## [Single button, multiple press options (New thread see link in first post)](https://discourse.nodered.org/t/single-button-multiple-press-options-new-thread-see-link-in-first-post/20559)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [19 January 2020 11:03 UTC](https://discourse.nodered.org/t/single-button-multiple-press-options-new-thread-see-link-in-first-post/20559 "2020-01-19T11:03:41Z")

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New thread: See here. Going on slightly from another thread with temperatures and alarms, it is interesting that I now have a similar question: This flow works in that I have to press the button (start) 4 times to g…

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## [UPDATE record from flow to MariaDB database](https://discourse.nodered.org/t/update-record-from-flow-to-mariadb-database/20556)

<div class="topic-metadata">

**Author:** [@baqwas](https://discourse.nodered.org/u/baqwas)\
**Replies:** 1\
**Last updated:** [19 January 2020 10:38 UTC](https://discourse.nodered.org/t/update-record-from-flow-to-mariadb-database/20556 "2020-01-19T10:38:36Z")

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Hello, I've been using the mysql node for INSERT and CALL operations successfully but have reached a roadblock in understanding how to use it for the equivalent of the SQL UPDATE statement. The INSERT code snippet has b…

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## [Basic but important questions](https://discourse.nodered.org/t/basic-but-important-questions/20355)

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**Author:** [@dcaccount](https://discourse.nodered.org/u/dcaccount)\
**Replies:** 4\
**Last updated:** [19 January 2020 09:34 UTC](https://discourse.nodered.org/t/basic-but-important-questions/20355 "2020-01-19T09:34:36Z")

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Hello, I have read a lot about Node-RED and about its importance in IoT projects. I am going to use on my Raspberry server where Homebridge and MQTT servers are already running. I understood all about programming and f…

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## [Console and debug nodes output redirection to file or](https://discourse.nodered.org/t/console-and-debug-nodes-output-redirection-to-file-or/2779)

<div class="topic-metadata">

**Author:** [@tilleul](https://discourse.nodered.org/u/tilleul)\
**Replies:** 11\
**Last updated:** [19 January 2020 07:35 UTC](https://discourse.nodered.org/t/console-and-debug-nodes-output-redirection-to-file-or/2779 "2020-01-19T07:35:03Z")

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Is it possible to redirect (or preferably duplicate) console and debug nodes output to a file or something else like a DB or anything ... ? It means that any console.log(), node.log(), node.warn(), node.error() command …

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## [What to do with the return of Modbus-Flex-Getter?](https://discourse.nodered.org/t/what-to-do-with-the-return-of-modbus-flex-getter/20543)

<div class="topic-metadata">

**Author:** [@LTDS](https://discourse.nodered.org/u/LTDS)\
**Replies:** 10\
**Last updated:** [19 January 2020 07:25 UTC](https://discourse.nodered.org/t/what-to-do-with-the-return-of-modbus-flex-getter/20543 "2020-01-19T07:25:24Z")

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Hi there ! I'm facing a bit of an issue, I'm developing a flow witch reads data from a Modbus oxygen probe. There are three different data to read : Temperature : holding register ; adr.83 ; float ; 2 registers Oxy S…

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## [PiFace CAD - a different request](https://discourse.nodered.org/t/piface-cad-a-different-request/20295)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 26\
**Last updated:** [19 January 2020 07:02 UTC](https://discourse.nodered.org/t/piface-cad-a-different-request/20295 "2020-01-19T07:02:28Z")

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I appreciate the recent post of the PiFace node allowing use of the display on the RasPi's PiFace CAD shield. Is there also a node out there which allows access to the buttons also? It is just having the display (final…

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## [Control Phillips Hue colors with Alexa Home V3](https://discourse.nodered.org/t/control-phillips-hue-colors-with-alexa-home-v3/20551)

<div class="topic-metadata">

**Author:** [@Marcdo70](https://discourse.nodered.org/u/Marcdo70)\
**Replies:** 0\
**Last updated:** [18 January 2020 23:29 UTC](https://discourse.nodered.org/t/control-phillips-hue-colors-with-alexa-home-v3/20551 "2020-01-18T23:29:01Z")

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Hi Guys, I'm Marcus from Germany and I have a problem. I want to control my Phillips Hue via Node Red and Alexa Home V3. On, off and dimming is all possible, only if the colors are controlled, the lamp is dimmed. This me…

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## [Save data so that it is not deleted](https://discourse.nodered.org/t/save-data-so-that-it-is-not-deleted/20548)

<div class="topic-metadata">

**Author:** [@ReneS](https://discourse.nodered.org/u/ReneS)\
**Replies:** 7\
**Last updated:** [18 January 2020 22:45 UTC](https://discourse.nodered.org/t/save-data-so-that-it-is-not-deleted/20548 "2020-01-18T22:45:00Z")

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Would like to save data, so if raspberry restarts or I update the flow, data in the now save in menory will not be lost. If data is just beginning but when the next data is gone: Hope some can help me, Sincerely Re…

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## [Turn on the relay by clicking the shortcut on the windows desktop](https://discourse.nodered.org/t/turn-on-the-relay-by-clicking-the-shortcut-on-the-windows-desktop/20547)

<div class="topic-metadata">

**Author:** [@Notturno](https://discourse.nodered.org/u/Notturno)\
**Replies:** 2\
**Last updated:** [18 January 2020 21:36 UTC](https://discourse.nodered.org/t/turn-on-the-relay-by-clicking-the-shortcut-on-the-windows-desktop/20547 "2020-01-18T21:36:01Z")

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Hello. Tell me how to make sure that I can turn on the relay by clicking on the shortcut on the windows desktop? Is it possible not to install web-server? maybe there are any nods?

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