# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1018

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

**Page:** 1019

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## [\[newbie\] How to improve this flow?](https://discourse.nodered.org/t/newbie-how-to-improve-this-flow/31602)

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**Author:** [@hugocoolens](https://discourse.nodered.org/u/hugocoolens)\
**Replies:** 4\
**Last updated:** [17 August 2020 14:07 UTC](https://discourse.nodered.org/t/newbie-how-to-improve-this-flow/31602 "2020-08-17T14:07:54Z")

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Can anyone here tell me how the "on\_or\_off function-node" could be merged with the "ChangeLightState template-node", leaving the ChangeLightState-node in its current position. Here is my flow: \[{"id":"85f4e1c9.1710d8…

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## [Custom nodes removed after update?](https://discourse.nodered.org/t/custom-nodes-removed-after-update/31663)

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**Author:** [@Surefire01](https://discourse.nodered.org/u/Surefire01)\
**Replies:** 4\
**Last updated:** [17 August 2020 14:00 UTC](https://discourse.nodered.org/t/custom-nodes-removed-after-update/31663 "2020-08-17T14:00:07Z")

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Chaps I'm pretty sure the last time I updated Node Red, the custom nodes I had previously installed had disappeared and I had to manually install them again. I once again would like to update Node Red to the latest vers…

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## [Renaming of node-red-contrib-components](https://discourse.nodered.org/t/renaming-of-node-red-contrib-components/31649)

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**Author:** [@ollix](https://discourse.nodered.org/u/ollix)\
**Replies:** 3\
**Last updated:** [17 August 2020 12:59 UTC](https://discourse.nodered.org/t/renaming-of-node-red-contrib-components/31649 "2020-08-17T12:59:04Z")

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Hello node-red enthusiasts, I published node-red-contrib-components in February, but never really cared to use the forum until now, that some users started to discuss about it. There is a suggestion by @Steve-Mcl to re…

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## [Generic SPI node for Raspberry Pi](https://discourse.nodered.org/t/generic-spi-node-for-raspberry-pi/31658)

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**Author:** [@ffich](https://discourse.nodered.org/u/ffich)\
**Replies:** 0\
**Last updated:** [17 August 2020 10:57 UTC](https://discourse.nodered.org/t/generic-spi-node-for-raspberry-pi/31658 "2020-08-17T10:57:01Z")

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Hi All, I'm struggeling to find a good SPI library for Raspberry Pi. Searching around I only find librarty specific for some devices or HATs. Does anybody know if this library exists? Unfortunately I've not been success…

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## [How to create a scrolling dashboard](https://discourse.nodered.org/t/how-to-create-a-scrolling-dashboard/31657)

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**Author:** [@SinZapatillas](https://discourse.nodered.org/u/SinZapatillas)\
**Replies:** 0\
**Last updated:** [17 August 2020 10:24 UTC](https://discourse.nodered.org/t/how-to-create-a-scrolling-dashboard/31657 "2020-08-17T10:24:26Z")

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Hello! I think some pictures will explain better what I would like to archive. This is what I have As you can see, I have several forms. I would like to have all of them in just one column, and in the left hand side…

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## [\[Announce\] node-red-contrib-voice2json (beta)](https://discourse.nodered.org/t/announce-node-red-contrib-voice2json-beta/29066)

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**Author:** [@JGKK](https://discourse.nodered.org/u/JGKK)\
**Replies:** 49\
**Last updated:** [17 August 2020 09:39 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-voice2json-beta/29066 "2020-08-17T09:39:39Z")

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After many late nights by @BartButenaers and me im happy to announce the beta of our nodes to integrate voice2json into nodered: The included nodes make it possible to bootstrap a (nearly) complete voice command appli…

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## [Dynamic modification of time interval (Batch node)](https://discourse.nodered.org/t/dynamic-modification-of-time-interval-batch-node/31644)

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**Author:** [@skoumo01](https://discourse.nodered.org/u/skoumo01)\
**Replies:** 6\
**Last updated:** [17 August 2020 09:58 UTC](https://discourse.nodered.org/t/dynamic-modification-of-time-interval-batch-node/31644 "2020-08-17T09:58:09Z")

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Hello, I would like to ask whether it is possible to set up a Batch node in a way that it uses an externally defined time interval for grouping the received messages; e.g. using the value of a variable that gets updated …

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## [Sending json data to serial and display in msg payload](https://discourse.nodered.org/t/sending-json-data-to-serial-and-display-in-msg-payload/31632)

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**Author:** [@Wannahusna](https://discourse.nodered.org/u/Wannahusna)\
**Replies:** 1\
**Last updated:** [17 August 2020 09:37 UTC](https://discourse.nodered.org/t/sending-json-data-to-serial-and-display-in-msg-payload/31632 "2020-08-17T09:37:18Z")

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Hi, i plan to sending json data to serial and display to msg. payload but didnt work. and for continue i want sending json data to serial and read by hc12 but didnt work i applied to software serial for tracer where par…

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## [Show seconds on last trigger time](https://discourse.nodered.org/t/show-seconds-on-last-trigger-time/31653)

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**Author:** [@fietstasss](https://discourse.nodered.org/u/fietstasss)\
**Replies:** 1\
**Last updated:** [17 August 2020 09:09 UTC](https://discourse.nodered.org/t/show-seconds-on-last-trigger-time/31653 "2020-08-17T09:09:00Z")

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Hi all, During debugging it's always nice to see which end-node is triggered based on the entire flow. For this, the small info-text below a Node is very usefull, as it shows what/when happened. The only caveat with t…

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## [Thoughts on this new node? node-red-contrib-components](https://discourse.nodered.org/t/thoughts-on-this-new-node-node-red-contrib-components/30279)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [17 August 2020 08:50 UTC](https://discourse.nodered.org/t/thoughts-on-this-new-node-node-red-contrib-components/30279 "2020-08-17T08:50:56Z")

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Components. It would seem it is an alternative to the sub-flow. My take is that it is, but in a different flavour of how it is done. But: I have been wrong before. So I am politely asking here other people's though…

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## [Button and Json](https://discourse.nodered.org/t/button-and-json/31609)

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**Author:** [@ooscom](https://discourse.nodered.org/u/ooscom)\
**Replies:** 9\
**Last updated:** [17 August 2020 08:00 UTC](https://discourse.nodered.org/t/button-and-json/31609 "2020-08-17T08:00:34Z")

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Hello everybody, I am completely new to the topic of node red and hope that I get nice help here. I'm trying to read a Json file with a button and only output the specific part in a debug for later sending a mail. \[{"…

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## [Extract value from payload array](https://discourse.nodered.org/t/extract-value-from-payload-array/31640)

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**Author:** [@Kunstflieger](https://discourse.nodered.org/u/Kunstflieger)\
**Replies:** 3\
**Last updated:** [17 August 2020 07:47 UTC](https://discourse.nodered.org/t/extract-value-from-payload-array/31640 "2020-08-17T07:47:25Z")

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HI, I try to extract the temperature for each channel from the following payload: {"system":{"time":"1597405052","unit":"C","rssi":-69,"online":2},"channel":\[{"number":1,"name":"Kanal 1","typ":0,"temp":999.00,"min":10.…

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## [An error \[ 404 - Thing not found \] while add flows](https://discourse.nodered.org/t/an-error-404-thing-not-found-while-add-flows/31638)

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**Author:** [@motebus](https://discourse.nodered.org/u/motebus)\
**Replies:** 0\
**Last updated:** [17 August 2020 06:06 UTC](https://discourse.nodered.org/t/an-error-404-thing-not-found-while-add-flows/31638 "2020-08-17T06:06:20Z")

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I have problem when I upload a new flow.

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## [How to know all the collections of a database in mongodb using contrib-mongodb](https://discourse.nodered.org/t/how-to-know-all-the-collections-of-a-database-in-mongodb-using-contrib-mongodb/31622)

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**Author:** [@miobox](https://discourse.nodered.org/u/miobox)\
**Replies:** 1\
**Last updated:** [17 August 2020 04:50 UTC](https://discourse.nodered.org/t/how-to-know-all-the-collections-of-a-database-in-mongodb-using-contrib-mongodb/31622 "2020-08-17T04:50:38Z")

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I am trying to query all the collections of a database in mongo to later search for data in each of the collections, someone knows how I can get all the collections using node-contrib-mongodb.

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## [Tablet usability changes planned?](https://discourse.nodered.org/t/tablet-usability-changes-planned/31343)

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**Author:** [@halr9000](https://discourse.nodered.org/u/halr9000)\
**Replies:** 3\
**Last updated:** [17 August 2020 02:04 UTC](https://discourse.nodered.org/t/tablet-usability-changes-planned/31343 "2020-08-17T02:04:12Z")

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I use an Android phone and iPad extremely often for computing tasks, especially after work hours, Not that it needs to matter, but I have poor vision, and mobile devices are an assistive tech for me and many others, of c…

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## [Help request - translations for mssql-plus node wanted](https://discourse.nodered.org/t/help-request-translations-for-mssql-plus-node-wanted/31629)

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**Author:** [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Replies:** 0\
**Last updated:** [16 August 2020 22:41 UTC](https://discourse.nodered.org/t/help-request-translations-for-mssql-plus-node-wanted/31629 "2020-08-16T22:41:54Z")

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Hi, I wonder if there are any users of the MSSQL-PLUS node would be willing to assist in translating the 2 following files... I would happily accept a PR or even post translations here Many thanks, Steve.

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## [Cannot get translation in .html file](https://discourse.nodered.org/t/cannot-get-translation-in-html-file/31628)

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**Author:** [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Replies:** 1\
**Last updated:** [16 August 2020 22:19 UTC](https://discourse.nodered.org/t/cannot-get-translation-in-html-file/31628 "2020-08-16T22:19:40Z")

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Hi all, I am working through a node I maintain and adding i18n to the html and JS So far, I have ... replacing static text with spans - :white\_check\_mark: \<span data-i18n="mssql.node.label.connection"\> replacing tit…

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## [Separate the properties of a payload so i can send each individual values to another device](https://discourse.nodered.org/t/separate-the-properties-of-a-payload-so-i-can-send-each-individual-values-to-another-device/31619)

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**Author:** [@Maxking](https://discourse.nodered.org/u/Maxking)\
**Replies:** 2\
**Last updated:** [16 August 2020 22:15 UTC](https://discourse.nodered.org/t/separate-the-properties-of-a-payload-so-i-can-send-each-individual-values-to-another-device/31619 "2020-08-16T22:15:39Z")

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Hi, I am a newbie here, sorry but we all have to start somewhere :slight\_smile: Anyway I am not a newbie with BMS (Building Management Systems) also know as BEMS (Building Energy Management Systems). The BMS control I …

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## [Extract value (number) from node red payload?](https://discourse.nodered.org/t/extract-value-number-from-node-red-payload/31627)

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**Author:** [@icanic](https://discourse.nodered.org/u/icanic)\
**Replies:** 1\
**Last updated:** [16 August 2020 22:11 UTC](https://discourse.nodered.org/t/extract-value-number-from-node-red-payload/31627 "2020-08-16T22:11:12Z")

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Greetings! I have problems with my Shelly dimmer 2. I have set it up over mqtt. Everything works great except dimming slider value. Dimming slider works great when I am using it, but I wan't that slider pick up the valu…

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## [Handover of session id - HTTP Request](https://discourse.nodered.org/t/handover-of-session-id-http-request/31620)

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**Author:** [@RaiRoo](https://discourse.nodered.org/u/RaiRoo)\
**Replies:** 2\
**Last updated:** [16 August 2020 20:36 UTC](https://discourse.nodered.org/t/handover-of-session-id-http-request/31620 "2020-08-16T20:36:17Z")

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Hello everybody, I am new at node-red and would like to access the information of a password protected web application. I already managed successfully to login the application with the HTTP GET method. Now I think I nee…

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## [MSSQL node-red installation problem](https://discourse.nodered.org/t/mssql-node-red-installation-problem/29695)

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**Author:** [@Earl](https://discourse.nodered.org/u/Earl)\
**Replies:** 15\
**Last updated:** [16 August 2020 19:46 UTC](https://discourse.nodered.org/t/mssql-node-red-installation-problem/29695 "2020-08-16T19:46:29Z")

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Hello, just wanna ask; is the node-red-contrib-mssql still usable? I saw that its last update was more than 3 years ago, and it fails when I tried installing it. Or maybe there's another problem that keeps me from instal…

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## [Plot and button on uibuilder](https://discourse.nodered.org/t/plot-and-button-on-uibuilder/31581)

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**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\
**Replies:** 5\
**Last updated:** [16 August 2020 19:42 UTC](https://discourse.nodered.org/t/plot-and-button-on-uibuilder/31581 "2020-08-16T19:42:53Z")

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Hi guys I'm trying to create a table and some buttons in the uibuilder, so basically I have some values comming from mqtt node and a button to send on in the ui, This is my flow. \[{"id":"8308324c.987ff","type":"uibuilde…

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## [Get data from array, only when is\_wired is true](https://discourse.nodered.org/t/get-data-from-array-only-when-is-wired-is-true/31607)

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**Author:** [@Doebe](https://discourse.nodered.org/u/Doebe)\
**Replies:** 5\
**Last updated:** [16 August 2020 19:08 UTC](https://discourse.nodered.org/t/get-data-from-array-only-when-is-wired-is-true/31607 "2020-08-16T19:08:52Z")

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Hi, I want to extract certain information from an array I get the connection data of my devices from node-red-contrib-unifi / ClientDevices This connection data is send in an array. I use node-red-contrib-splitter t…

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## [Enter time on Dashboard and get event trigger in node-red](https://discourse.nodered.org/t/enter-time-on-dashboard-and-get-event-trigger-in-node-red/31615)

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**Author:** [@Calendil](https://discourse.nodered.org/u/Calendil)\
**Replies:** 1\
**Last updated:** [16 August 2020 18:02 UTC](https://discourse.nodered.org/t/enter-time-on-dashboard-and-get-event-trigger-in-node-red/31615 "2020-08-16T18:02:58Z")

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Hello Folks, I am trying to set my UI to have a time picker to trigger something. Dashboard will have two dropdown menu. one for hour and one for minute (I don't think there is any other way on dashboard. If there is, …

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## [How to generate an image from the 8x8 raw heat map data of an AMG8833 thermal sensor](https://discourse.nodered.org/t/how-to-generate-an-image-from-the-8x8-raw-heat-map-data-of-an-amg8833-thermal-sensor/31604)

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**Author:** [@gsenroc](https://discourse.nodered.org/u/gsenroc)\
**Replies:** 12\
**Last updated:** [16 August 2020 17:45 UTC](https://discourse.nodered.org/t/how-to-generate-an-image-from-the-8x8-raw-heat-map-data-of-an-amg8833-thermal-sensor/31604 "2020-08-16T17:45:19Z")

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Hi, I'm trying to generate PNG image from the 8x8 raw heat map of a thermal sensor, AMG8833 in this case. My goal is to generate an 8x8 PNG image from this data, I can use this image later for video stream, and use anot…

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## ["Failed to parse JSON string"](https://discourse.nodered.org/t/failed-to-parse-json-string/31590)

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**Author:** [@Zerg](https://discourse.nodered.org/u/Zerg)\
**Replies:** 13\
**Last updated:** [16 August 2020 17:34 UTC](https://discourse.nodered.org/t/failed-to-parse-json-string/31590 "2020-08-16T17:34:53Z")

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I am trying to repeat the steps from this instruction: https://flows.nodered.org/flow/b50779ea99f3daf38acc1ee6bed16c5b But, I get errors all the time: "Failed to parse JSON string" I installed "zigbee2mqtt" on "Ubuntu …

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## [RGB LED Control from Temperature](https://discourse.nodered.org/t/rgb-led-control-from-temperature/31316)

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**Author:** [@meatalhead](https://discourse.nodered.org/u/meatalhead)\
**Replies:** 18\
**Last updated:** [16 August 2020 16:19 UTC](https://discourse.nodered.org/t/rgb-led-control-from-temperature/31316 "2020-08-16T16:19:24Z")

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I'm currently running Node Red through Home Assistant on a Raspi 4, with a Mosquitto MQTT broker. I've connected a couple of APA102s (RGB LEDs) and a BME280 (Pressure + Temp + Humidity sensor) to a NodeMCU ESP8266. I've…

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## [If msg (Buffer) starts with “ABDC” direct](https://discourse.nodered.org/t/if-msg-buffer-starts-with-abdc-direct/31608)

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**Author:** [@New2Node](https://discourse.nodered.org/u/New2Node)\
**Replies:** 3\
**Last updated:** [16 August 2020 15:00 UTC](https://discourse.nodered.org/t/if-msg-buffer-starts-with-abdc-direct/31608 "2020-08-16T15:00:42Z")

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Hi, How do I direct a payload (Buffer) to a particular location depending on start values in the payload. For example I have a buffer which starts with \[0x1 0x50 0x30 0x2\] I want to send the message to a function not…

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## [DFplayer and Tasmota](https://discourse.nodered.org/t/dfplayer-and-tasmota/31589)

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**Author:** [@myozone](https://discourse.nodered.org/u/myozone)\
**Replies:** 4\
**Last updated:** [16 August 2020 10:37 UTC](https://discourse.nodered.org/t/dfplayer-and-tasmota/31589 "2020-08-16T10:37:18Z")

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I've ordered a DFplayer and wondered if anyone here is using them in conjunction with Node-red and Tasmota. I'm thinking ahead and wondered how to control them to play messages when different things happen, I guess it's …

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## [Node-red-contrib-re-postgres: "The workspace contains some nodes that are not properly configured:"](https://discourse.nodered.org/t/node-red-contrib-re-postgres-the-workspace-contains-some-nodes-that-are-not-properly-configured/31585)

<div class="topic-metadata">

**Author:** [@zoltansz](https://discourse.nodered.org/u/zoltansz)\
**Replies:** 2\
**Last updated:** [16 August 2020 07:37 UTC](https://discourse.nodered.org/t/node-red-contrib-re-postgres-the-workspace-contains-some-nodes-that-are-not-properly-configured/31585 "2020-08-16T07:37:33Z")

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Dear all, I have a properly working flow that inserts sensor data into a Postgres table. I already have 38.000 rows. However, every time I deploy my flow, NR warns me that the Postgres node (node-red-contrib-re-postgres…

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