# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1363

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

**Page:** 1364

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## [Node-red npm WARN checkPermissions](https://discourse.nodered.org/t/node-red-npm-warn-checkpermissions/3234)

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**Author:** [@Marco](https://discourse.nodered.org/u/Marco)\
**Replies:** 14\
**Last updated:** [18 September 2018 11:29 UTC](https://discourse.nodered.org/t/node-red-npm-warn-checkpermissions/3234 "2018-09-18T11:29:06Z")

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hello, when I try to install some package on node-red with npm I get the following error : sudo npm i node-red-node-base64 npm WARN checkPermissions Missing write access to /root/.node-red/node\_modules/node-red-node-sq…

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## [\[error\] \[ui\_template:um\] RangeError: Maximum call stack size exceeded](https://discourse.nodered.org/t/error-ui-template-um-rangeerror-maximum-call-stack-size-exceeded/3226)

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**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\
**Replies:** 2\
**Last updated:** [18 September 2018 10:52 UTC](https://discourse.nodered.org/t/error-ui-template-um-rangeerror-maximum-call-stack-size-exceeded/3226 "2018-09-18T10:52:23Z")

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Hello All I have been playing with the ui-template, and now it got stuck. I might have created some loop and now i got this error \[error\] \[ui\_template:um\] RangeError: Maximum call stack size exceeded The issue here i…

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## [Raspberry Pi hangs up at Node-Red start](https://discourse.nodered.org/t/raspberry-pi-hangs-up-at-node-red-start/3181)

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**Author:** [@b35b5dad43ea282b65d0](https://discourse.nodered.org/u/b35b5dad43ea282b65d0)\
**Replies:** 10\
**Last updated:** [18 September 2018 09:56 UTC](https://discourse.nodered.org/t/raspberry-pi-hangs-up-at-node-red-start/3181 "2018-09-18T09:56:27Z")

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Hi, I have installed the Node-Red on my Pi with the BCM 2835 Library. But now I have the problem, that the Pi hangs up when I start node-red. So I can use the Raspberry without any problem, but when I enter node-red s…

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## [Huge number of devices with nodered via mqtt](https://discourse.nodered.org/t/huge-number-of-devices-with-nodered-via-mqtt/3212)

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**Author:** [@piyushbarua](https://discourse.nodered.org/u/piyushbarua)\
**Replies:** 10\
**Last updated:** [18 September 2018 07:43 UTC](https://discourse.nodered.org/t/huge-number-of-devices-with-nodered-via-mqtt/3212 "2018-09-18T07:43:05Z")

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Need some expert guidance If I want to connect 10k or above device with node-red via MQTT what is the best approach. Also, I want to show statistics on the dashboard for each and every device. a device you can assume ESP…

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## [One node-red to another (different rpi's)](https://discourse.nodered.org/t/one-node-red-to-another-different-rpis/3203)

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**Author:** [@matisok](https://discourse.nodered.org/u/matisok)\
**Replies:** 7\
**Last updated:** [18 September 2018 06:16 UTC](https://discourse.nodered.org/t/one-node-red-to-another-different-rpis/3203 "2018-09-18T06:16:04Z")

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I have one RPi with a hardware buttons wired up to it that I would like to speak to another RPi with an output (controlling a HW relay) - both running node-red obviously. How do I send a message from the one rpi to the …

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## [Show how much time is left in a delay](https://discourse.nodered.org/t/show-how-much-time-is-left-in-a-delay/3229)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 7\
**Last updated:** [18 September 2018 05:35 UTC](https://discourse.nodered.org/t/show-how-much-time-is-left-in-a-delay/3229 "2018-09-18T05:35:51Z")

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I have some long delays in a flow and I wanted to know how much time is remaining in them (one is 30 secs - the other is 5 minutes) when I'm sitting around debugging it. Using Blockly, I've come up with this combination…

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## [How to Stream with IP camera on ubuntu?](https://discourse.nodered.org/t/how-to-stream-with-ip-camera-on-ubuntu/3135)

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**Author:** [@rhkd9504](https://discourse.nodered.org/u/rhkd9504)\
**Replies:** 6\
**Last updated:** [17 September 2018 23:52 UTC](https://discourse.nodered.org/t/how-to-stream-with-ip-camera-on-ubuntu/3135 "2018-09-17T23:52:32Z")

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Hi I am Daniel, the beginner of Node-red. I would like to add the ip camera on node red dashboard But I can only find the guideline of Raspberry pi - camera on internet... My items are: Ubuntu 1.8 Vstarcam-100g (IP …

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## [Step down number increments over time node red dimming](https://discourse.nodered.org/t/step-down-number-increments-over-time-node-red-dimming/3156)

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**Author:** [@chris1988](https://discourse.nodered.org/u/chris1988)\
**Replies:** 4\
**Last updated:** [17 September 2018 22:21 UTC](https://discourse.nodered.org/t/step-down-number-increments-over-time-node-red-dimming/3156 "2018-09-17T22:21:15Z")

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looking to a node to drop an number value down over time i have seen it today when looking for something but i cant remember what it is called

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## [Node-red-contrib-google upload image in google drive](https://discourse.nodered.org/t/node-red-contrib-google-upload-image-in-google-drive/3224)

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**Author:** [@Albatroz](https://discourse.nodered.org/u/Albatroz)\
**Replies:** 0\
**Last updated:** [17 September 2018 19:43 UTC](https://discourse.nodered.org/t/node-red-contrib-google-upload-image-in-google-drive/3224 "2018-09-17T19:43:22Z")

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Hello community! I'm new to node-red and I'm exploring this powerful tool, recently discovering the node-red-contrib-google to perform requests in the google APIs, I'm mounting a request stream in the google drive API, …

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## [Development plan for 0.20](https://discourse.nodered.org/t/development-plan-for-0-20/2915)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 6\
**Last updated:** [17 September 2018 15:35 UTC](https://discourse.nodered.org/t/development-plan-for-0-20/2915 "2018-09-17T15:35:14Z")

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With 0.19 out the way, work is already well underway on 0.20. I wanted to share a bit of the plans for 0.20, how we're going about it and provide guidance to anyone wanting to contribute. Runtime/Editor split The headli…

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## [Support for Wifi TI SensorTag (CC3200)](https://discourse.nodered.org/t/support-for-wifi-ti-sensortag-cc3200/3218)

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**Author:** [@uuuuu5uu](https://discourse.nodered.org/u/uuuuu5uu)\
**Replies:** 1\
**Last updated:** [17 September 2018 15:15 UTC](https://discourse.nodered.org/t/support-for-wifi-ti-sensortag-cc3200/3218 "2018-09-17T15:15:45Z")

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Does anyone know if it is possible to receive and transmit data from the WiFi SensorTag from Texas Instruments? I would like to send it forward via HTTP or MQTT. Thanks Balint

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## [TI sensorTag data flow problem](https://discourse.nodered.org/t/ti-sensortag-data-flow-problem/2694)

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**Author:** [@BrianD](https://discourse.nodered.org/u/BrianD)\
**Replies:** 8\
**Last updated:** [17 September 2018 14:54 UTC](https://discourse.nodered.org/t/ti-sensortag-data-flow-problem/2694 "2018-09-17T14:54:15Z")

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I am trying to link the TI sensorTag to Blynk using node-red. For some reason I have 3 data streams working but I can't get Temperature to to read on Blynk. The debug option is displaying all of the data I need includ…

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## [Global.set ARRAY\[ \]](https://discourse.nodered.org/t/global-set-array/3193)

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**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 2\
**Last updated:** [17 September 2018 12:21 UTC](https://discourse.nodered.org/t/global-set-array/3193 "2018-09-17T12:21:49Z")

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We have declared a Global Array MyStatus and initialized it with array \[1,2,3,4,5\] var MyStatus = global.set\[ 1,2,3,4,5\]; Example 1 'hardcoded' so the DataUpdate is stored in the 4th Array position '3'. THIS is OK /…

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## [Change a msg.payload in a function node without continuing flow](https://discourse.nodered.org/t/change-a-msg-payload-in-a-function-node-without-continuing-flow/3188)

<div class="topic-metadata">

**Author:** [@GChapo](https://discourse.nodered.org/u/GChapo)\
**Replies:** 8\
**Last updated:** [17 September 2018 12:11 UTC](https://discourse.nodered.org/t/change-a-msg-payload-in-a-function-node-without-continuing-flow/3188 "2018-09-17T12:11:55Z")

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Hello, I am putting together a scheduler in the dashboard using the later node. The first part of the schedule is to choose a TV channel from a dropdown list and then to set the time you wish to change channel. In ord…

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## [Create Dashboard Wireless Vibration sensor using Particle photon](https://discourse.nodered.org/t/create-dashboard-wireless-vibration-sensor-using-particle-photon/3205)

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**Author:** [@catchy65](https://discourse.nodered.org/u/catchy65)\
**Replies:** 1\
**Last updated:** [17 September 2018 10:45 UTC](https://discourse.nodered.org/t/create-dashboard-wireless-vibration-sensor-using-particle-photon/3205 "2018-09-17T10:45:23Z")

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Hello, I am trying to interface mesh network with node red but I need to know the best way to create a dashboard which helps me to show the data of wireless vibration sensor interfacing with Particle photon any suggestio…

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## [HTML request / handle of data](https://discourse.nodered.org/t/html-request-handle-of-data/3191)

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**Author:** [@maxmueller50](https://discourse.nodered.org/u/maxmueller50)\
**Replies:** 6\
**Last updated:** [17 September 2018 10:41 UTC](https://discourse.nodered.org/t/html-request-handle-of-data/3191 "2018-09-17T10:41:50Z")

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my garden-irrigation is now working, very fine thing - but I have a "big" problem, where I can't fine the way in Node-Red Flow for receiving data from the Water-pump. there are water-pressure and two level-switches and t…

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## [How to handle no message?](https://discourse.nodered.org/t/how-to-handle-no-message/3147)

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**Author:** [@fil](https://discourse.nodered.org/u/fil)\
**Replies:** 8\
**Last updated:** [17 September 2018 03:54 UTC](https://discourse.nodered.org/t/how-to-handle-no-message/3147 "2018-09-17T03:54:11Z")

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Im using the node-red-contrib-xiaomi-ble node which is fantastic, But there are circumstances where it fails to poll/capture any data. Sometimes this is due to an error that i can catch and retry using a catch node and…

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## [Barcode scan 28 alphanumeric characters](https://discourse.nodered.org/t/barcode-scan-28-alphanumeric-characters/3190)

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**Author:** [@marcojass](https://discourse.nodered.org/u/marcojass)\
**Replies:** 8\
**Last updated:** [16 September 2018 22:12 UTC](https://discourse.nodered.org/t/barcode-scan-28-alphanumeric-characters/3190 "2018-09-16T22:12:32Z")

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Hi guys I use a barcode scanner into a beaglbeone with node-red , specially usb-hid contrib node. It function perfectly apart for 2 cases: a 28 digit lenght barcode alphanumeric barcode Can you helo me to solve that…

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## [Larger widget size spanning across multiple Groups?](https://discourse.nodered.org/t/larger-widget-size-spanning-across-multiple-groups/3149)

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**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 5\
**Last updated:** [16 September 2018 21:46 UTC](https://discourse.nodered.org/t/larger-widget-size-spanning-across-multiple-groups/3149 "2018-09-16T21:46:54Z")

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Creating button/text widgets on a Dash board with 10 groups. Is there any way to make a 'larger' widget to span across multiple groups? Example attached.

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## [JSON Filtering Question](https://discourse.nodered.org/t/json-filtering-question/3180)

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**Author:** [@M0CRT](https://discourse.nodered.org/u/M0CRT)\
**Replies:** 3\
**Last updated:** [16 September 2018 20:36 UTC](https://discourse.nodered.org/t/json-filtering-question/3180 "2018-09-16T20:36:44Z")

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Hello all I'm sure someone will be able to answer this...it's been driving me mad all weekend! I've taken a CSV file and brought it into a JSON file object for use 'locally' within a future Dashboard UI operation, I am…

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## [How to put FA codes into a msg.topic from a function](https://discourse.nodered.org/t/how-to-put-fa-codes-into-a-msg-topic-from-a-function/3178)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 1\
**Last updated:** [16 September 2018 05:06 UTC](https://discourse.nodered.org/t/how-to-put-fa-codes-into-a-msg-topic-from-a-function/3178 "2018-09-16T05:06:41Z")

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Guys, Hopefully i am asking this question the right way I have a flow that i want to put a display on a dashboard of the running status of a pump i.e. running or stopped I have found the codes to do it and have placed…

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## [Ring doorbell \>\>\> Google home](https://discourse.nodered.org/t/ring-doorbell-google-home/2924)

<div class="topic-metadata">

**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 24\
**Last updated:** [15 September 2018 18:18 UTC](https://discourse.nodered.org/t/ring-doorbell-google-home/2924 "2018-09-15T18:18:40Z")

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Just purchased a Ring doorbell, and thought it would be pretty good if the doorbell is activated, NR could play a mp3/wav file in Google Home, to alert family that the doorbell had been pressed. This would remove the re…

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## [Node-red-contrib-google-home-notify](https://discourse.nodered.org/t/node-red-contrib-google-home-notify/1029)

<div class="topic-metadata">

**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\
**Replies:** 4\
**Last updated:** [15 September 2018 16:10 UTC](https://discourse.nodered.org/t/node-red-contrib-google-home-notify/1029 "2018-09-15T16:10:01Z")

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Does anybody has this node running? I’m able to see that is connecting to my google-home however I’m not able to pull any message to be heard from it. Thanks in advance

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## [Expanding custom editors](https://discourse.nodered.org/t/expanding-custom-editors/3155)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 3\
**Last updated:** [15 September 2018 08:49 UTC](https://discourse.nodered.org/t/expanding-custom-editors/3155 "2018-09-15T08:49:58Z")

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Hi folks, In my node-red-contrib-blockly node there are two tabsheets, to be able to display two different editors: First tabsheet to show a Blockly editor: Second tabsheet to show a Javascript editor: Howe…

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## [Can someone look at this flow and tell me what is wrong please?](https://discourse.nodered.org/t/can-someone-look-at-this-flow-and-tell-me-what-is-wrong-please/3154)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 20\
**Last updated:** [15 September 2018 01:48 UTC](https://discourse.nodered.org/t/can-someone-look-at-this-flow-and-tell-me-what-is-wrong-please/3154 "2018-09-15T01:48:32Z")

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Guys, I have a flow - 1st part runs once per second and sets a flow variable to Default - i use the moment node for this - this to enable me to use the formatted date time in a logging file. I then have a 2nd flow that…

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## [Zwave dimming using home assistant](https://discourse.nodered.org/t/zwave-dimming-using-home-assistant/2983)

<div class="topic-metadata">

**Author:** [@chris1988](https://discourse.nodered.org/u/chris1988)\
**Replies:** 3\
**Last updated:** [15 September 2018 01:40 UTC](https://discourse.nodered.org/t/zwave-dimming-using-home-assistant/2983 "2018-09-15T01:40:48Z")

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hello zwave dimmer strugling with payload msg i would like to inset a slider to the flow also {"entity\_id":"light.fibaro\_system\_fgd212\_dimmer\_2\_level\_2","brightness":"250"} {"entity\_id":"light.fibaro\_system\_fgd212\_di…

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## [Zwave day night auto dimming with times and max brightness hassio](https://discourse.nodered.org/t/zwave-day-night-auto-dimming-with-times-and-max-brightness-hassio/3157)

<div class="topic-metadata">

**Author:** [@chris1988](https://discourse.nodered.org/u/chris1988)\
**Replies:** 0\
**Last updated:** [15 September 2018 01:36 UTC](https://discourse.nodered.org/t/zwave-day-night-auto-dimming-with-times-and-max-brightness-hassio/3157 "2018-09-15T01:36:01Z")

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Hello have a look and see what you all think if someone could do the join node better but it works, also anyway of simplifying it i have 24 ways to do on these \[{"id":"b84a7f9a.24408","type":"server-events","z":"cf111…

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## [Installed 19.3... \[node-red/tail\] not currently supported on Windows](https://discourse.nodered.org/t/installed-19-3-node-red-tail-not-currently-supported-on-windows/3150)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 2\
**Last updated:** [14 September 2018 22:42 UTC](https://discourse.nodered.org/t/installed-19-3-node-red-tail-not-currently-supported-on-windows/3150 "2018-09-14T22:42:19Z")

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I took a look to see if there was any information on this. There was a few, but the context of the discussion does not explain what \[node-red/tail\] is. and what and why it is not supported on windows. Can someone pleas…

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## [Node-red 0.19.3 not currently supported on Windows](https://discourse.nodered.org/t/node-red-0-19-3-not-currently-supported-on-windows/3152)

<div class="topic-metadata">

**Author:** [@valterforesto](https://discourse.nodered.org/u/valterforesto)\
**Replies:** 2\
**Last updated:** [14 September 2018 20:46 UTC](https://discourse.nodered.org/t/node-red-0-19-3-not-currently-supported-on-windows/3152 "2018-09-14T20:46:34Z")

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I installed node-red 0.19.3 on a Windows Server 2012 R2. In the ADMIN \> MANAGE PALETTE \> NODES I see the following error "node-red 0.19.3 not currently supported on Windows" as described on this screenshot : Someone c…

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## [Function node zwave](https://discourse.nodered.org/t/function-node-zwave/3146)

<div class="topic-metadata">

**Author:** [@chris1988](https://discourse.nodered.org/u/chris1988)\
**Replies:** 9\
**Last updated:** [14 September 2018 18:16 UTC](https://discourse.nodered.org/t/function-node-zwave/3146 "2018-09-14T18:16:10Z")

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Hello everyone i need some help with a function node i need the (brightness: 88) and i cant see what im doing wrong TypeError: Cannot read property 'new\_state' of undefined var temp=payload.event.new\_state.attributes.…

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