# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1086

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

**Page:** 1087

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## [Raspberry Pi 4 boots from USB (beta)](https://discourse.nodered.org/t/raspberry-pi-4-boots-from-usb-beta/27015)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 5\
**Last updated:** [21 May 2020 07:55 UTC](https://discourse.nodered.org/t/raspberry-pi-4-boots-from-usb-beta/27015 "2020-05-21T07:55:02Z")

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Only slightly NR-related but discussed here before: some of you may have seen this https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=274595 or this A Pi 4 can now run entirely without an SD card.…

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## [Inject node issue - interval settings missing when interval selected](https://discourse.nodered.org/t/inject-node-issue-interval-settings-missing-when-interval-selected/26482)

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**Author:** [@Marcos](https://discourse.nodered.org/u/Marcos)\
**Replies:** 20\
**Last updated:** [21 May 2020 07:42 UTC](https://discourse.nodered.org/t/inject-node-issue-interval-settings-missing-when-interval-selected/26482 "2020-05-21T07:42:57Z")

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Hi dear, a strange behavior happens to me with inject node on a particular machine. For example, when I try to set interval, no relevant boxes appear to chose times while I'm expecting something like this Same be…

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## [Project feature of node red](https://discourse.nodered.org/t/project-feature-of-node-red/27019)

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**Author:** [@pranavthakkar](https://discourse.nodered.org/u/pranavthakkar)\
**Replies:** 0\
**Last updated:** [21 May 2020 07:08 UTC](https://discourse.nodered.org/t/project-feature-of-node-red/27019 "2020-05-21T07:08:25Z")

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The project feature for Git Hub , It is not working in my Windows machine. I enable the last line as mentioned(https://youtu.be/Bto2rz7bY3g) but it is not showing any screen after running up.

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## [Date time = 7minutes %&\*)^&](https://discourse.nodered.org/t/date-time-7minutes/26341)

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**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 13\
**Last updated:** [20 May 2020 23:47 UTC](https://discourse.nodered.org/t/date-time-7minutes/26341 "2020-05-20T23:47:46Z")

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Ok, i go nuts... I cannot get it working with all examples that i can find on google so i hope some one here knows the magic... I have the date and time with the function below, but i want to add 7 minutes to it, and i…

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## [TCP Listener doesn't disconnect ghost clients](https://discourse.nodered.org/t/tcp-listener-doesnt-disconnect-ghost-clients/27002)

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**Author:** [@LucianR](https://discourse.nodered.org/u/LucianR)\
**Replies:** 6\
**Last updated:** [20 May 2020 23:10 UTC](https://discourse.nodered.org/t/tcp-listener-doesnt-disconnect-ghost-clients/27002 "2020-05-20T23:10:30Z")

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Hello, I have a TCP listener on my flow and some clients that apparently doesn't disconnect after sending the message. Also they are not re-using the old connection when they send a new message. I end up with a lot of …

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## [Sensor data upon start](https://discourse.nodered.org/t/sensor-data-upon-start/27003)

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**Author:** [@LosinIt](https://discourse.nodered.org/u/LosinIt)\
**Replies:** 2\
**Last updated:** [20 May 2020 22:01 UTC](https://discourse.nodered.org/t/sensor-data-upon-start/27003 "2020-05-20T22:01:41Z")

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I suspect this is the wrong forum to ask this, and it's probably device-specific, but is there a way to "prod" sensors to send their complete data set when NR starts up? I'm using Hubitat via MQTT. Thanks

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## [Relay switch via dashboard led](https://discourse.nodered.org/t/relay-switch-via-dashboard-led/26757)

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**Author:** [@duffmans](https://discourse.nodered.org/u/duffmans)\
**Replies:** 11\
**Last updated:** [20 May 2020 21:47 UTC](https://discourse.nodered.org/t/relay-switch-via-dashboard-led/26757 "2020-05-20T21:47:02Z")

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Hey people, I am trying to config a switch that can run an on/off python relay script and display a light on dashboard to show if on or off. I have tried several nodes but admitting defeat and need some guidance Current…

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## [Bigtimer sending strange output](https://discourse.nodered.org/t/bigtimer-sending-strange-output/26931)

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**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 12\
**Last updated:** [20 May 2020 20:47 UTC](https://discourse.nodered.org/t/bigtimer-sending-strange-output/26931 "2020-05-20T20:47:22Z")

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I had a running pi 3 with node-red on it and for various reasons I wanted to re-install the OS. Backed up the flows and re-installed the latest raspbian image 2020-02-13 buster and re-installed node-red using the script …

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## [Leaf signature error on HTTP request node](https://discourse.nodered.org/t/leaf-signature-error-on-http-request-node/1757)

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**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 3\
**Last updated:** [20 May 2020 20:08 UTC](https://discourse.nodered.org/t/leaf-signature-error-on-http-request-node/1757 "2020-05-20T20:08:28Z")

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Hi All, All of a sudden I am getting UNABLE\_TO\_VERIFY\_LEAF\_SIGNATURE error when I use the HTTP node with an HTTPS request. I can see that this was an issue back in 2014, 2016 so I am puzzled why I am seeing this issue r…

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## [Use GPIO for switching Hue lights on](https://discourse.nodered.org/t/use-gpio-for-switching-hue-lights-on/26859)

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**Author:** [@MaWex](https://discourse.nodered.org/u/MaWex)\
**Replies:** 15\
**Last updated:** [20 May 2020 20:03 UTC](https://discourse.nodered.org/t/use-gpio-for-switching-hue-lights-on/26859 "2020-05-20T20:03:12Z")

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Hey there, I have a problem with my node red configuration. I'm looking for a good solution for switching hue lights on via the gpio pins. When the circuit is closed, Node Red should turn on a Hue lamp for one minute.…

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## [Recuperer des données depuis payload sous forme de tableau](https://discourse.nodered.org/t/recuperer-des-donnees-depuis-payload-sous-forme-de-tableau/26959)

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**Author:** [@OmarDev](https://discourse.nodered.org/u/OmarDev)\
**Replies:** 2\
**Last updated:** [20 May 2020 17:30 UTC](https://discourse.nodered.org/t/recuperer-des-donnees-depuis-payload-sous-forme-de-tableau/26959 "2020-05-20T17:30:35Z")

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je voudrais recuperer des données depuis payload sous forme de tableau pour les mettre dans mon Chart. var options = { series: \[{ name: 'Temperature', data: \[31, 40, 28, 51, 42, 109, 120\], …

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## [Installation error with node-red-contrib-solace](https://discourse.nodered.org/t/installation-error-with-node-red-contrib-solace/26997)

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**Author:** [@gclow](https://discourse.nodered.org/u/gclow)\
**Replies:** 13\
**Last updated:** [20 May 2020 15:10 UTC](https://discourse.nodered.org/t/installation-error-with-node-red-contrib-solace/26997 "2020-05-20T15:10:10Z")

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I'm a node-red newbie, would someone please try install node-red-contrib-solace from the palette to see if it's broken or is it just me? Thanks in advance! Grant 2020-05-20T12:05:11.765Z Install : node-red-contrib-sola…

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## [\[Announce\] node-red-node-ui-microphone](https://discourse.nodered.org/t/announce-node-red-node-ui-microphone/23923)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 27\
**Last updated:** [20 May 2020 13:55 UTC](https://discourse.nodered.org/t/announce-node-red-node-ui-microphone/23923 "2020-05-20T13:55:35Z")

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I've just published a new Dashboard node for capturing audio from the microphone. It gives you a simple button in the dashboard that when clicked starts recording until the button is clicked again or the configured ma…

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## [Trouble with javascript](https://discourse.nodered.org/t/trouble-with-javascript/26968)

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**Author:** [@Thewaver](https://discourse.nodered.org/u/Thewaver)\
**Replies:** 7\
**Last updated:** [20 May 2020 13:51 UTC](https://discourse.nodered.org/t/trouble-with-javascript/26968 "2020-05-20T13:51:59Z")

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Hi, trying to change msg.payload from true to on and false to off from the alexa node. Used a function node with the following but it doesnt work, can anyone tell me why.?? if (msg.payload == "true"){ msg.payload = "on…

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## [\`switch\` node. Need help understading things](https://discourse.nodered.org/t/switch-node-need-help-understading-things/26998)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [20 May 2020 12:42 UTC](https://discourse.nodered.org/t/switch-node-need-help-understading-things/26998 "2020-05-20T12:42:51Z")

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The dashboard switch node. As hard as I am trying I can't get my head around: In pass through mode the switch state can be updated by an incoming msg.payload with the specified values, that must also match the specifi…

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## [Importing flows. Is there a difference between Formatted and Unformatted for load time?](https://discourse.nodered.org/t/importing-flows-is-there-a-difference-between-formatted-and-unformatted-for-load-time/26991)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [20 May 2020 11:55 UTC](https://discourse.nodered.org/t/importing-flows-is-there-a-difference-between-formatted-and-unformatted-for-load-time/26991 "2020-05-20T11:55:13Z")

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If I import a chunk of code which was exported as formatted it seems to take longer for the IMPORT button to activate than if the code wasn't formatted. Is this to be expected?

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## [Broadlink-control how to?](https://discourse.nodered.org/t/broadlink-control-how-to/26993)

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**Author:** [@kpm](https://discourse.nodered.org/u/kpm)\
**Replies:** 0\
**Last updated:** [20 May 2020 11:31 UTC](https://discourse.nodered.org/t/broadlink-control-how-to/26993 "2020-05-20T11:31:49Z")

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Hello, I am quite new with node red and just bought a Broadlink RM mini. I added the node-red-contrib-broadlink-control to the palette and succeeded to get the discover node to get the typeid (2737). However, what I wa…

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## [Json Data Pushed from Inverter](https://discourse.nodered.org/t/json-data-pushed-from-inverter/26962)

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**Author:** [@Bigben83](https://discourse.nodered.org/u/Bigben83)\
**Replies:** 25\
**Last updated:** [20 May 2020 10:50 UTC](https://discourse.nodered.org/t/json-data-pushed-from-inverter/26962 "2020-05-20T10:50:12Z")

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Hi, I have successfully got json push data from my Fronius inverter data manager. But I am having issues trying to get the required information formatted as I want to control some tasmota switches. This is a copy of th…

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## [Node red value to mysql](https://discourse.nodered.org/t/node-red-value-to-mysql/26904)

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**Author:** [@sarawut](https://discourse.nodered.org/u/sarawut)\
**Replies:** 8\
**Last updated:** [20 May 2020 10:39 UTC](https://discourse.nodered.org/t/node-red-value-to-mysql/26904 "2020-05-20T10:39:39Z")

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Hi all, Now i tried to send data from node red to mysql but if i have single value it is ok but if more than 2 values how i wirte script in function node Here is my current flow Speed1 = msg.payload.Value\_Speed\_1\_SB5\_…

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## [Current watson conversationV2 credentials](https://discourse.nodered.org/t/current-watson-conversationv2-credentials/26694)

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**Author:** [@bryan-ninjamoba](https://discourse.nodered.org/u/bryan-ninjamoba)\
**Replies:** 3\
**Last updated:** [20 May 2020 10:38 UTC](https://discourse.nodered.org/t/current-watson-conversationv2-credentials/26694 "2020-05-20T10:38:05Z")

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Theres no setup info on the watson plugins page and its very difficult to sort a working watson assistant node-red credential integration (for instance). Best case: Can we get current watson credentials support in the w…

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## [Uncertain warning messages](https://discourse.nodered.org/t/uncertain-warning-messages/26953)

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**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\
**Replies:** 4\
**Last updated:** [20 May 2020 10:31 UTC](https://discourse.nodered.org/t/uncertain-warning-messages/26953 "2020-05-20T10:31:19Z")

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Would anyone be able to help me interpret what these log messages are trying to tell me? I did chase the URL suggested but I've no idea what it's telling me either. Also, Node Red has been acting strange. It'll run fin…

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## [Need help taking this message apart and making a new one](https://discourse.nodered.org/t/need-help-taking-this-message-apart-and-making-a-new-one/26983)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [20 May 2020 09:58 UTC](https://discourse.nodered.org/t/need-help-taking-this-message-apart-and-making-a-new-one/26983 "2020-05-20T09:58:50Z")

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This is the error message I get: {"\_msgid":"95a5f34b.89b7f","topic":"ERROR\_REPORT/BedPi/Logging/","error":{"message":"ReferenceError: a is not defined (line 1, col 19)","source":{"id":"f15d59f6.b745","type":"function","…

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## [Error: lost connection to WS Server](https://discourse.nodered.org/t/error-lost-connection-to-ws-server/26985)

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**Author:** [@EugeneD](https://discourse.nodered.org/u/EugeneD)\
**Replies:** 0\
**Last updated:** [20 May 2020 09:51 UTC](https://discourse.nodered.org/t/error-lost-connection-to-ws-server/26985 "2020-05-20T09:51:26Z")

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Hello, The backgroud is like this: I need to use node-red with the hardware of revolution pi. The original version of node-red on my revpi has no npm installed, so I upgrade the software, seems everything is ok after …

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## [How can I search if a subflow is used in any flows of a machine?](https://discourse.nodered.org/t/how-can-i-search-if-a-subflow-is-used-in-any-flows-of-a-machine/26974)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [20 May 2020 09:27 UTC](https://discourse.nodered.org/t/how-can-i-search-if-a-subflow-is-used-in-any-flows-of-a-machine/26974 "2020-05-20T09:27:54Z")

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I have a subflow loaded in the palette of a machine and want to know if it is used in/on any flows?

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## [Raspberry pi arduino connection speed problem](https://discourse.nodered.org/t/raspberry-pi-arduino-connection-speed-problem/26817)

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**Author:** [@feconkar](https://discourse.nodered.org/u/feconkar)\
**Replies:** 4\
**Last updated:** [20 May 2020 09:04 UTC](https://discourse.nodered.org/t/raspberry-pi-arduino-connection-speed-problem/26817 "2020-05-20T09:04:57Z")

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hi I am trying to read a potentiometer data over firmata with node-red. potentiometer connects to analog pin of arduino and arduino is connect to raspberry pi over usb. Program runs good and i can get the data from ard…

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## [Injecting dashboard tabs drop down menu](https://discourse.nodered.org/t/injecting-dashboard-tabs-drop-down-menu/26979)

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**Author:** [@Meng](https://discourse.nodered.org/u/Meng)\
**Replies:** 1\
**Last updated:** [20 May 2020 09:03 UTC](https://discourse.nodered.org/t/injecting-dashboard-tabs-drop-down-menu/26979 "2020-05-20T09:03:40Z")

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For different flows and dashboards tabs i use the inject after 0.2 secs so that drop down menus will be filled. However the tabs which are not initially shown do not show the drop down menus. When i then inject again the…

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## [Node-RED SSL reverse proxy w/ Google Oauth](https://discourse.nodered.org/t/node-red-ssl-reverse-proxy-w-google-oauth/25103)

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**Author:** [@VinistoisR](https://discourse.nodered.org/u/VinistoisR)\
**Replies:** 81\
**Last updated:** [20 May 2020 08:42 UTC](https://discourse.nodered.org/t/node-red-ssl-reverse-proxy-w-google-oauth/25103 "2020-05-20T08:42:53Z")

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edit: please see this post for most recent deployment instructions Here's a docker-compose.yml file to deploy Node-RED and Traefik, a reverse proxy that automates fetching, issuing, and renewing free SSL certificates fr…

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## [How to turn content of a webpage into useable data with http-request node?](https://discourse.nodered.org/t/how-to-turn-content-of-a-webpage-into-useable-data-with-http-request-node/26970)

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**Author:** [@IRFAN](https://discourse.nodered.org/u/IRFAN)\
**Replies:** 3\
**Last updated:** [20 May 2020 08:33 UTC](https://discourse.nodered.org/t/how-to-turn-content-of-a-webpage-into-useable-data-with-http-request-node/26970 "2020-05-20T08:33:05Z")

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I Have a Weather report webpage , I want to use some useful contents(Data) of that webpage into my notification. For that I tried using http request but it i will not showing any weather data .

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## [This is an interesting error (ENOMEM) Help anyone?](https://discourse.nodered.org/t/this-is-an-interesting-error-enomem-help-anyone/26977)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [20 May 2020 08:24 UTC](https://discourse.nodered.org/t/this-is-an-interesting-error-enomem-help-anyone/26977 "2020-05-20T08:24:03Z")

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I kind of mentioned it earlier, but I didn't see it this bad and I'm not sure it is the same problem or just the original's bigger brother. Can anyone help me understand if this is a nasty problem? Error: spawn ENOMEM …

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## [Run time problem](https://discourse.nodered.org/t/run-time-problem/26932)

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**Author:** [@arpit8851](https://discourse.nodered.org/u/arpit8851)\
**Replies:** 10\
**Last updated:** [20 May 2020 08:16 UTC](https://discourse.nodered.org/t/run-time-problem/26932 "2020-05-20T08:16:33Z")

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i want to that how can i gave input at run time in node red is there is any option for that to gave input at run time

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