# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1301

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

**Page:** 1302

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## [Node-red Theme not working on Asus Tinker](https://discourse.nodered.org/t/node-red-theme-not-working-on-asus-tinker/9131)

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**Author:** [@Andretrigo](https://discourse.nodered.org/u/Andretrigo)\
**Replies:** 3\
**Last updated:** [22 March 2019 10:08 UTC](https://discourse.nodered.org/t/node-red-theme-not-working-on-asus-tinker/9131 "2019-03-22T10:08:56Z")

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Hi. I'm working on a project using node-red on a asus tinkerboard, first it worked correctly the tabs windows showing the links, but now it doesn't show the links like before. I'm attaching the screens using the node…

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## [Voice to nodered via iphone](https://discourse.nodered.org/t/voice-to-nodered-via-iphone/9293)

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**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 1\
**Last updated:** [21 March 2019 21:41 UTC](https://discourse.nodered.org/t/voice-to-nodered-via-iphone/9293 "2019-03-21T21:41:37Z")

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Hello MY project is to be able to speak to my phone and that what I say arrives as a text in node-red I have seen many topics on the web explaining how to use IFTTT, MQTT, Google home, google now, Google assistant, Hom…

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## [V0.20 Structure](https://discourse.nodered.org/t/v0-20-structure/9290)

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**Author:** [@jdiegosierra](https://discourse.nodered.org/u/jdiegosierra)\
**Replies:** 3\
**Last updated:** [21 March 2019 21:18 UTC](https://discourse.nodered.org/t/v0-20-structure/9290 "2019-03-21T21:18:38Z")

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Hi! I use Node-RED since a year and I wonder why you change the structure of the project, I mean, for example now the red.js and the librearies are located into node modules however in older versions they were in the roo…

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## [Turn the whole flow on or off using telegram bot](https://discourse.nodered.org/t/turn-the-whole-flow-on-or-off-using-telegram-bot/9175)

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**Author:** [@anon4382222](https://discourse.nodered.org/u/anon4382222)\
**Replies:** 17\
**Last updated:** [21 March 2019 15:00 UTC](https://discourse.nodered.org/t/turn-the-whole-flow-on-or-off-using-telegram-bot/9175 "2019-03-21T15:00:18Z")

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I am trying to turn my flow on/off using telegram bot, I have tried several things but none of them worked so far.. My project is some kind of alarm that sends a message when the PIR sensor detects movement. I tried usi…

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## [Raspberry Pi and GPIO](https://discourse.nodered.org/t/raspberry-pi-and-gpio/9245)

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**Author:** [@darthcoder](https://discourse.nodered.org/u/darthcoder)\
**Replies:** 7\
**Last updated:** [21 March 2019 14:37 UTC](https://discourse.nodered.org/t/raspberry-pi-and-gpio/9245 "2019-03-21T14:37:26Z")

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Hello, All. I've done a bit of searching, and I can't see to find anything answering my question. I'm trying to run node-red in a docker image on a Raspberry Pi 3, and am having issues triggering GPIOs. I'm using the …

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## [Grouping subflows - renaming category](https://discourse.nodered.org/t/grouping-subflows-renaming-category/9215)

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**Author:** [@mvidhya86](https://discourse.nodered.org/u/mvidhya86)\
**Replies:** 7\
**Last updated:** [21 March 2019 13:38 UTC](https://discourse.nodered.org/t/grouping-subflows-renaming-category/9215 "2019-03-21T13:38:32Z")

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Hi I have 5 subflows, i want to group them in various categories , say. 2 in one group and other 3 in another group, i noticed that we can use categorize option, is there a way to rename the created category ?

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## [Monitoring https page](https://discourse.nodered.org/t/monitoring-https-page/9275)

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**Author:** [@ceejm1](https://discourse.nodered.org/u/ceejm1)\
**Replies:** 1\
**Last updated:** [21 March 2019 13:32 UTC](https://discourse.nodered.org/t/monitoring-https-page/9275 "2019-03-21T13:32:20Z")

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Hello, We have a remote server (a CCTV device) that we'd like to monitor to determine if it is up or not. A method to detect this would be to call an https page and look for a valid response. Can anyone suggest how we…

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## [Hide and Show Groups with UI\_Control](https://discourse.nodered.org/t/hide-and-show-groups-with-ui-control/9272)

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**Author:** [@hebergeweb](https://discourse.nodered.org/u/hebergeweb)\
**Replies:** 0\
**Last updated:** [21 March 2019 11:39 UTC](https://discourse.nodered.org/t/hide-and-show-groups-with-ui-control/9272 "2019-03-21T11:39:18Z")

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Hi, after creating 4 buttons, in my flow two groups are displayed. But i have to show a single group with clic; example (b1--\> group1, b2--\> group2, ...) not (b1--\> \[group1,group4\], b2--\> \[group2,group4\], ...) \[{"id"…

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## [While running the flow getting servet time out error](https://discourse.nodered.org/t/while-running-the-flow-getting-servet-time-out-error/9227)

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**Author:** [@Umang](https://discourse.nodered.org/u/Umang)\
**Replies:** 10\
**Last updated:** [21 March 2019 10:53 UTC](https://discourse.nodered.org/t/while-running-the-flow-getting-servet-time-out-error/9227 "2019-03-21T10:53:08Z")

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I want to create a http request and the get a desired json file output. I have done the following this and I am getting a timeout error while running please help. The flow is as follows: \[{"id":"2e661d86.fa8792","type"…

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## [Is node red a framework](https://discourse.nodered.org/t/is-node-red-a-framework/9236)

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**Author:** [@YT2310](https://discourse.nodered.org/u/YT2310)\
**Replies:** 3\
**Last updated:** [21 March 2019 09:30 UTC](https://discourse.nodered.org/t/is-node-red-a-framework/9236 "2019-03-21T09:30:55Z")

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Hey there, I have a question, just because i m interested in.. Could Node red be seen as a framework or not? Because i read the definition of a framework and now I m not really sure wheater it is a framework or not. T…

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## [Set email recipient from POST](https://discourse.nodered.org/t/set-email-recipient-from-post/9256)

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**Author:** [@defremont](https://discourse.nodered.org/u/defremont)\
**Replies:** 1\
**Last updated:** [21 March 2019 00:52 UTC](https://discourse.nodered.org/t/set-email-recipient-from-post/9256 "2019-03-21T00:52:10Z")

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Hello, i'm able to send email when access "127.0.0.1:1880/hello" or make a GET request with this flow: \[{"id":"b84d8811.9408d8","type":"tab","label":"Flow 1","disabled":false,"info":""},{"id":"515bb640.bd9fe8","type":"d…

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## [Upgrading Node-RED on Docker from 0.19.6 to 0.20 makes Node-Red unstable and I lose all my line connections between nodes](https://discourse.nodered.org/t/upgrading-node-red-on-docker-from-0-19-6-to-0-20-makes-node-red-unstable-and-i-lose-all-my-line-connections-between-nodes/8903)

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**Author:** [@pseudonoob](https://discourse.nodered.org/u/pseudonoob)\
**Replies:** 11\
**Last updated:** [20 March 2019 22:22 UTC](https://discourse.nodered.org/t/upgrading-node-red-on-docker-from-0-19-6-to-0-20-makes-node-red-unstable-and-i-lose-all-my-line-connections-between-nodes/8903 "2019-03-20T22:22:21Z")

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So I use Node-RED for home automation purposes. Running Docker on a Synology box, I always use the v8 Docker image. 0.19.6-v8 works a charm and the versions before that have always worked fine too. I tried to upgrade to…

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## [Raspberry pi Sensehat](https://discourse.nodered.org/t/raspberry-pi-sensehat/9244)

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**Author:** [@cannco](https://discourse.nodered.org/u/cannco)\
**Replies:** 4\
**Last updated:** [20 March 2019 22:04 UTC](https://discourse.nodered.org/t/raspberry-pi-sensehat/9244 "2019-03-20T22:04:45Z")

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Hi everyone. Thanks for the previous help on my LED question. I have a new question about using the Sensehat with my Raspberry Pi. I can get the Sensehat to provide me with temperature/humidity/pressure readings and I'v…

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## [Syntax Error while installing new Nodes](https://discourse.nodered.org/t/syntax-error-while-installing-new-nodes/4020)

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**Author:** [@MrTreffnix601](https://discourse.nodered.org/u/MrTreffnix601)\
**Replies:** 7\
**Last updated:** [20 March 2019 21:32 UTC](https://discourse.nodered.org/t/syntax-error-while-installing-new-nodes/4020 "2019-03-20T21:32:00Z")

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Hello, I´m having some trouble with my Node-RED. Node-RED \[v0.16.2 \] nodejs \[v6.12.3 \] Hardware/OS \[Siemens IoT Gateway 2040, Yocto Linux \] Browser \[Chrome \] I installed the node-red-contrib-s7comm palette and recei…

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## [IBM messagehub-node](https://discourse.nodered.org/t/ibm-messagehub-node/9251)

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**Author:** [@sanserg](https://discourse.nodered.org/u/sanserg)\
**Replies:** 0\
**Last updated:** [20 March 2019 21:18 UTC](https://discourse.nodered.org/t/ibm-messagehub-node/9251 "2019-03-20T21:18:57Z")

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Hi, Can anyone has any example about what is the correct node to install and how to connect into IBM message hub (renamed by event stream) node to subscribe into a message ? found both @nickcis/node-red-contrib-messag…

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## [Ipx v3 node red](https://discourse.nodered.org/t/ipx-v3-node-red/9004)

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**Author:** [@acd](https://discourse.nodered.org/u/acd)\
**Replies:** 19\
**Last updated:** [20 March 2019 20:31 UTC](https://discourse.nodered.org/t/ipx-v3-node-red/9004 "2019-03-20T20:31:16Z")

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hello, beginner, I trying to read status of relax output from an IPX v3 Payload command : GetOut1 (for the first relax) Message payload : \* 14/3/2019 22:01:17\[node: 3b85a382.bbe724\](http://192.168.1.128:1880/#)msg :…

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## [In node-red how to store message for using in flows](https://discourse.nodered.org/t/in-node-red-how-to-store-message-for-using-in-flows/8766)

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**Author:** [@VIKRAMAS](https://discourse.nodered.org/u/VIKRAMAS)\
**Replies:** 15\
**Last updated:** [20 March 2019 20:13 UTC](https://discourse.nodered.org/t/in-node-red-how-to-store-message-for-using-in-flows/8766 "2019-03-20T20:13:16Z")

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In node red suppose my flow is like \[1st API call\]---------\>\[2nd API call\]---\>merge both and display data on dashboard the first node will call API and each time the result will be different and after second call I hav…

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## [Openhab2 won't update item state](https://discourse.nodered.org/t/openhab2-wont-update-item-state/9241)

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**Author:** [@mladams922](https://discourse.nodered.org/u/mladams922)\
**Replies:** 0\
**Last updated:** [20 March 2019 19:10 UTC](https://discourse.nodered.org/t/openhab2-wont-update-item-state/9241 "2019-03-20T19:10:31Z")

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I'm pretty new to using NodeRed but so far I've found it mostly easy to get started. I'm stuck at one point though. I'm using the Openhab2 library which I see many other people using with no problem. I added a Openhab…

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## [Can Node-RED be deployed on Netlify?](https://discourse.nodered.org/t/can-node-red-be-deployed-on-netlify/9147)

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**Author:** [@Narvey](https://discourse.nodered.org/u/Narvey)\
**Replies:** 6\
**Last updated:** [20 March 2019 16:39 UTC](https://discourse.nodered.org/t/can-node-red-be-deployed-on-netlify/9147 "2019-03-20T16:39:20Z")

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I cloned the Node-RED repo and pointed Netlify to that repo. My build command in Netlify is: npm install; npm run build And I don't have a deploy directory specified, should I? After the build, I just get a 404 when …

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## [Slot car racing - - - just pure fun](https://discourse.nodered.org/t/slot-car-racing-just-pure-fun/8782)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 12\
**Last updated:** [20 March 2019 16:33 UTC](https://discourse.nodered.org/t/slot-car-racing-just-pure-fun/8782 "2019-03-20T16:33:38Z")

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I make no excuse at all - this is just pure fun. My students will love it !!!! I've just bought a slot car racing set from a local charity shop and have connected it to a WeMos D1 Mini on a breadboard driven from Node-…

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## [DS18B20 PID Tuning on the warm side](https://discourse.nodered.org/t/ds18b20-pid-tuning-on-the-warm-side/8811)

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**Author:** [@Backup](https://discourse.nodered.org/u/Backup)\
**Replies:** 52\
**Last updated:** [20 March 2019 16:06 UTC](https://discourse.nodered.org/t/ds18b20-pid-tuning-on-the-warm-side/8811 "2019-03-20T16:06:00Z")

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By way of review, I have a 7CU chest type freezer I use for brewing and aging wine. I use a 125W heat lamp for warming and, obviously, the freezer for cooling. Colin Law graciously helped me tune his PID node for the c…

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## [File Upload Features](https://discourse.nodered.org/t/file-upload-features/9233)

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**Author:** [@nhar](https://discourse.nodered.org/u/nhar)\
**Replies:** 2\
**Last updated:** [20 March 2019 15:44 UTC](https://discourse.nodered.org/t/file-upload-features/9233 "2019-03-20T15:44:43Z")

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I'm trying to build an application which will allow a user to upload a text file through a basic web form and be able to read the text file to take its contents as a string. Is this possible? I currently have a system se…

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## [Node-RED 0.20.3 released](https://discourse.nodered.org/t/node-red-0-20-3-released/9234)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 0\
**Last updated:** [20 March 2019 15:41 UTC](https://discourse.nodered.org/t/node-red-0-20-3-released/9234 "2019-03-20T15:41:08Z")

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Hi, the next maintenance release of Node-RED is now available. It addresses the following issues: The Function editor being unusable due a corrupted appearance. The root cause was found to be the python nodes that lo…

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## [Is it possible to connect NodeRED to a java IDE?](https://discourse.nodered.org/t/is-it-possible-to-connect-nodered-to-a-java-ide/9229)

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**Author:** [@nhar](https://discourse.nodered.org/u/nhar)\
**Replies:** 2\
**Last updated:** [20 March 2019 15:02 UTC](https://discourse.nodered.org/t/is-it-possible-to-connect-nodered-to-a-java-ide/9229 "2019-03-20T15:02:25Z")

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I've seen some examples of code such as here that imply it's possible to edit NodeRED via an IDE (such as eclipse) - is this correct? If so, does anybody know how you can do this/how it would interact with the NodeRED fl…

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## [Alexa compatible motion sensor emulation](https://discourse.nodered.org/t/alexa-compatible-motion-sensor-emulation/8641)

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**Author:** [@cismarine](https://discourse.nodered.org/u/cismarine)\
**Replies:** 12\
**Last updated:** [20 March 2019 13:46 UTC](https://discourse.nodered.org/t/alexa-compatible-motion-sensor-emulation/8641 "2019-03-20T13:46:51Z")

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I need to expose signals from node to Alexa as motion sensors. been looking for a node, but can't find anything. anyone with ideas? TIA Bart

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## [Display sensor data history](https://discourse.nodered.org/t/display-sensor-data-history/8752)

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**Author:** [@nassima100](https://discourse.nodered.org/u/nassima100)\
**Replies:** 6\
**Last updated:** [20 March 2019 12:59 UTC](https://discourse.nodered.org/t/display-sensor-data-history/8752 "2019-03-20T12:59:54Z")

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Hello, for those who are fimiliar with node red please help me, I'm starting to use node red & MQTT with an esp8266 and dht22, I followed this tutorial and it worked fine : https://randomnerdtutorials.com/esp8266-and-nod…

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## [Two timed messages to change icons](https://discourse.nodered.org/t/two-timed-messages-to-change-icons/9226)

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**Author:** [@Brugsezot](https://discourse.nodered.org/u/Brugsezot)\
**Replies:** 2\
**Last updated:** [20 March 2019 11:00 UTC](https://discourse.nodered.org/t/two-timed-messages-to-change-icons/9226 "2019-03-20T11:00:36Z")

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Hello, I am trying to display a Fontawesome icon, and change that icon after a couple of seconds within the same flow. For instance, from a spinning state to a non-spinning state. I know how to show the icon with the ch…

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## [Error installing node-red on hassio](https://discourse.nodered.org/t/error-installing-node-red-on-hassio/9221)

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**Author:** [@bwanajag](https://discourse.nodered.org/u/bwanajag)\
**Replies:** 2\
**Last updated:** [20 March 2019 09:58 UTC](https://discourse.nodered.org/t/error-installing-node-red-on-hassio/9221 "2019-03-20T09:58:37Z")

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I received the following error when trying to install the node-red add-on in hassio. Not sure where to go from here. 19-03-20 08:49:18 INFO (SyncWorker\_18) \[hassio.docker.interface\] Pull image hassioaddons/node-red-arm…

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## [Programmatically logout the user](https://discourse.nodered.org/t/programmatically-logout-the-user/9171)

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**Author:** [@smrtfn](https://discourse.nodered.org/u/smrtfn)\
**Replies:** 11\
**Last updated:** [20 March 2019 09:17 UTC](https://discourse.nodered.org/t/programmatically-logout-the-user/9171 "2019-03-20T09:17:21Z")

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Hi, Is it possible to logout the user programmatically in a node's code? Otherwords, is it possible to call RED.user.logout() inside a node's .js file? Thank you

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## [Interval Function in Function flow](https://discourse.nodered.org/t/interval-function-in-function-flow/9112)

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**Author:** [@junoprima](https://discourse.nodered.org/u/junoprima)\
**Replies:** 9\
**Last updated:** [20 March 2019 08:34 UTC](https://discourse.nodered.org/t/interval-function-in-function-flow/9112 "2019-03-20T08:34:32Z")

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I'm having issues with having my node to start interval function , I need to start function when get data from input like my code cmd == "01" and stop function when i get cmd == "06" i try can't run Here my flow \[{"i…

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