# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1379

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

**Page:** 1380

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## [Control device via application](https://discourse.nodered.org/t/control-device-via-application/1762)

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**Author:** [@hossein](https://discourse.nodered.org/u/hossein)\
**Replies:** 0\
**Last updated:** [23 July 2018 13:23 UTC](https://discourse.nodered.org/t/control-device-via-application/1762 "2018-07-23T13:23:26Z")

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Hi everybody, I'm so beginner and sorry for this primary question. I have an Arduino based device which is connected to internet and i will to send an On/Off command to this device by an android app. How I can use this …

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## [Server push in custom node](https://discourse.nodered.org/t/server-push-in-custom-node/1749)

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**Author:** [@poximan](https://discourse.nodered.org/u/poximan)\
**Replies:** 1\
**Last updated:** [23 July 2018 07:30 UTC](https://discourse.nodered.org/t/server-push-in-custom-node/1749 "2018-07-23T07:30:55Z")

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hello, I am developing a node that when listening to a this.on("input", () =\> { }) input should read some local values and publish them on the client side in the node's edit view (the homologous html of my node). how can…

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## [\[new node\]: node-red-contrib-etekcity-smartplug](https://discourse.nodered.org/t/new-node-node-red-contrib-etekcity-smartplug/1750)

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**Author:** [@jbardi](https://discourse.nodered.org/u/jbardi)\
**Replies:** 2\
**Last updated:** [23 July 2018 01:04 UTC](https://discourse.nodered.org/t/new-node-node-red-contrib-etekcity-smartplug/1750 "2018-07-23T01:04:47Z")

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New node to be added to https://flows.nodered.org: https://www.npmjs.com/package/node-red-contrib-etekcity-smartplug

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## [Clear Dashboard Text Input and Set Drop Down, Switch, Slider, Numeric and Date Picker to Default with Button](https://discourse.nodered.org/t/clear-dashboard-text-input-and-set-drop-down-switch-slider-numeric-and-date-picker-to-default-with-button/1626)

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**Author:** [@rishanaziz](https://discourse.nodered.org/u/rishanaziz)\
**Replies:** 15\
**Last updated:** [23 July 2018 00:08 UTC](https://discourse.nodered.org/t/clear-dashboard-text-input-and-set-drop-down-switch-slider-numeric-and-date-picker-to-default-with-button/1626 "2018-07-23T00:08:28Z")

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Hi, I'm expecting a dashboard button to clear input text and set drop down, switch, slider, numeric and date picker to default on click. I know there is Cancel button on form node by default, but I'm not using form nod…

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## [Code question from a dopey newbe\[solved\]](https://discourse.nodered.org/t/code-question-from-a-dopey-newbe-solved/1742)

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**Author:** [@JonHeron](https://discourse.nodered.org/u/JonHeron)\
**Replies:** 8\
**Last updated:** [22 July 2018 16:50 UTC](https://discourse.nodered.org/t/code-question-from-a-dopey-newbe-solved/1742 "2018-07-22T16:50:55Z")

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Hello, I am setting up a flow for automating my greenhouse using a pi 3. I have some prior experience coding in Qt c++ but it has been a few years... I want to return 'true' or 'false' to operate a switch but due to m…

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## [Possible improvements for link nodes](https://discourse.nodered.org/t/possible-improvements-for-link-nodes/1739)

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**Author:** [@michaelblight](https://discourse.nodered.org/u/michaelblight)\
**Replies:** 0\
**Last updated:** [22 July 2018 13:46 UTC](https://discourse.nodered.org/t/possible-improvements-for-link-nodes/1739 "2018-07-22T13:46:30Z")

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Originally I posted a feature request to make the layout of nodes more flexible ("handles at top and bottom"). For the record, I now abhor linkages going to the left, and love the link nodes. It forces me to break the fl…

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## [Add delay in menus / submenus](https://discourse.nodered.org/t/add-delay-in-menus-submenus/1721)

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**Author:** [@PKGeorgiev](https://discourse.nodered.org/u/PKGeorgiev)\
**Replies:** 2\
**Last updated:** [21 July 2018 22:41 UTC](https://discourse.nodered.org/t/add-delay-in-menus-submenus/1721 "2018-07-21T22:41:43Z")

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I'm using menus frequently but I struggle choosing the right option from the first time, because submenus hide immediately after the mouse leaves the row with menu title. Then I need to concentrate and move the mouse to …

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## [Sending bit stream on raspberry pi](https://discourse.nodered.org/t/sending-bit-stream-on-raspberry-pi/1728)

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**Author:** [@drmacro](https://discourse.nodered.org/u/drmacro)\
**Replies:** 1\
**Last updated:** [21 July 2018 21:24 UTC](https://discourse.nodered.org/t/sending-bit-stream-on-raspberry-pi/1728 "2018-07-21T21:24:15Z")

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Does there exist a library to read data from an ADC083x series analog to digital converter. Basically the ADC083x uses a simple serial bit stream to read the analog data. I guess I can bit bang it with GPIO, but I'm wo…

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## [Error handling examples or discussion](https://discourse.nodered.org/t/error-handling-examples-or-discussion/1726)

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**Author:** [@drmacro](https://discourse.nodered.org/u/drmacro)\
**Replies:** 1\
**Last updated:** [21 July 2018 17:58 UTC](https://discourse.nodered.org/t/error-handling-examples-or-discussion/1726 "2018-07-21T17:58:11Z")

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I've done a few searches here and on the web for examples of using the catch and other error handling without much luck. Anyone have any pointers to good reading or examples?

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## [How to integrate SHT1x sensor in Node Red](https://discourse.nodered.org/t/how-to-integrate-sht1x-sensor-in-node-red/1680)

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**Author:** [@atikbabu](https://discourse.nodered.org/u/atikbabu)\
**Replies:** 13\
**Last updated:** [21 July 2018 13:22 UTC](https://discourse.nodered.org/t/how-to-integrate-sht1x-sensor-in-node-red/1680 "2018-07-21T13:22:12Z")

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Hello, There is no solution for SHT1x sensor to integrate with Node Red. Can anyone help me in this regard?

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## [Can the ui\_button be modify with CSS](https://discourse.nodered.org/t/can-the-ui-button-be-modify-with-css/1708)

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**Author:** [@Unpuertomex](https://discourse.nodered.org/u/Unpuertomex)\
**Replies:** 5\
**Last updated:** [20 July 2018 23:00 UTC](https://discourse.nodered.org/t/can-the-ui-button-be-modify-with-css/1708 "2018-07-20T23:00:48Z")

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First, thanks everyone who has provided me help/guidance while I learn Node-Red. My project has been to develop an alarm panel, so far I've been able to set the cards transparency, add shadow to the text, add an animate…

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## [node-red-contrib-newsamsungtv](https://discourse.nodered.org/t/node-red-contrib-newsamsungtv/1723)

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**Author:** [@onecd2000](https://discourse.nodered.org/u/onecd2000)\
**Replies:** 0\
**Last updated:** [20 July 2018 22:12 UTC](https://discourse.nodered.org/t/node-red-contrib-newsamsungtv/1723 "2018-07-20T22:12:55Z")

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https://www.npmjs.com/package/node-red-contrib-newsamsungtv

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## [Client calling HTTP POST getting timeout after RESPONSE](https://discourse.nodered.org/t/client-calling-http-post-getting-timeout-after-response/1634)

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**Author:** [@tallbloke](https://discourse.nodered.org/u/tallbloke)\
**Replies:** 6\
**Last updated:** [19 July 2018 22:04 UTC](https://discourse.nodered.org/t/client-calling-http-post-getting-timeout-after-response/1634 "2018-07-19T22:04:04Z")

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Hi, I have a simple node flow that takes an HTTP POST in, does some stuff and then returns its results in the HTTP RESPONSE. To investigate this problem I have short-circuited the 'does some stuff' step, so basically i…

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## [Two loops with output](https://discourse.nodered.org/t/two-loops-with-output/1696)

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**Author:** [@lucky4ever2](https://discourse.nodered.org/u/lucky4ever2)\
**Replies:** 5\
**Last updated:** [19 July 2018 20:18 UTC](https://discourse.nodered.org/t/two-loops-with-output/1696 "2018-07-19T20:18:42Z")

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var i; var j; var nr = 1; for (i = 0; i \< msg.payload.TripList.Trip.length; i++) { output = 'Verbindung ' + nr++; for (j = 0; j \< msg.payload.TripList.Trip\[i\].LegList\[0\].Leg.length; j++) { output += "\\r\\n-----\\r…

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## [Inventory control system (stock control system)](https://discourse.nodered.org/t/inventory-control-system-stock-control-system/1639)

<div class="topic-metadata">

**Author:** [@cgrnl](https://discourse.nodered.org/u/cgrnl)\
**Replies:** 9\
**Last updated:** [19 July 2018 19:23 UTC](https://discourse.nodered.org/t/inventory-control-system-stock-control-system/1639 "2018-07-19T19:23:22Z")

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Subject: Automatıc Inventory Control System Hi guys, I'm working in a glass factory as a Mechanical Maintenance Engineer. I have a Raspberry Pi 3 B at home and having some projects. But in the factory I'm planning to b…

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## [Array Value Backfeeding Across Function Blocks](https://discourse.nodered.org/t/array-value-backfeeding-across-function-blocks/1700)

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**Author:** [@zacharyalan09](https://discourse.nodered.org/u/zacharyalan09)\
**Replies:** 2\
**Last updated:** [19 July 2018 19:02 UTC](https://discourse.nodered.org/t/array-value-backfeeding-across-function-blocks/1700 "2018-07-19T19:02:58Z")

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Hi folks, I'm stumped. I created a function block that is intended to take an input message and count the number of times a value in a certain bin is received. This block seems to be working correctly. As values are re…

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## [Http post to mvc .NET application](https://discourse.nodered.org/t/http-post-to-mvc-net-application/1692)

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**Author:** [@sotiriszegiannis](https://discourse.nodered.org/u/sotiriszegiannis)\
**Replies:** 0\
**Last updated:** [19 July 2018 13:20 UTC](https://discourse.nodered.org/t/http-post-to-mvc-net-application/1692 "2018-07-19T13:20:38Z")

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Hi Everyone, Earlier today i was facing the issue i m about to demonstrate. I m posting this small topic,in case someone else stumps in to the same problem in the future. I searched the forum if similar issues have been…

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## [SQLite - Add support for multiple queries/statements via msg.topic](https://discourse.nodered.org/t/sqlite-add-support-for-multiple-queries-statements-via-msg-topic/1637)

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**Author:** [@tmdoit](https://discourse.nodered.org/u/tmdoit)\
**Replies:** 11\
**Last updated:** [19 July 2018 09:27 UTC](https://discourse.nodered.org/t/sqlite-add-support-for-multiple-queries-statements-via-msg-topic/1637 "2018-07-19T09:27:56Z")

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SQLite is great for local storage, jugglery with every single node with db operation creates mess in tab space.

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## [HTTP Get for each item in array](https://discourse.nodered.org/t/http-get-for-each-item-in-array/1625)

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**Author:** [@sjp770](https://discourse.nodered.org/u/sjp770)\
**Replies:** 11\
**Last updated:** [19 July 2018 08:53 UTC](https://discourse.nodered.org/t/http-get-for-each-item-in-array/1625 "2018-07-19T08:53:06Z")

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So I have an API that I am requesting JSON data from, and it returns an array or 60 or so site names with descriptions. I can access a single site name like so: msg.payload.data\[3\].name but what I need to do is the foll…

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## [Feature Request \> word-wrap](https://discourse.nodered.org/t/feature-request-word-wrap/1675)

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**Author:** [@selo](https://discourse.nodered.org/u/selo)\
**Replies:** 0\
**Last updated:** [18 July 2018 20:43 UTC](https://discourse.nodered.org/t/feature-request-word-wrap/1675 "2018-07-18T20:43:26Z")

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Hello, It would be interesting to have "word-wrap" in the code editor Thank you

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## [Replace hardware timer with software timer](https://discourse.nodered.org/t/replace-hardware-timer-with-software-timer/1666)

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**Author:** [@arneym](https://discourse.nodered.org/u/arneym)\
**Replies:** 6\
**Last updated:** [18 July 2018 17:27 UTC](https://discourse.nodered.org/t/replace-hardware-timer-with-software-timer/1666 "2018-07-18T17:27:29Z")

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I have an LED that flashes every 1/2 second. I do not want to send anything to a debug unless the LED stays solid for at least 1.5 seconds. Any help would be greatly appreciated. Thanks, Mike

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## [How to filter out every second MQTT-trigger-event?](https://discourse.nodered.org/t/how-to-filter-out-every-second-mqtt-trigger-event/1664)

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**Author:** [@Kin](https://discourse.nodered.org/u/Kin)\
**Replies:** 4\
**Last updated:** [18 July 2018 16:02 UTC](https://discourse.nodered.org/t/how-to-filter-out-every-second-mqtt-trigger-event/1664 "2018-07-18T16:02:11Z")

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Hi, I'm new here :slight\_smile: (sorry, english is not my native language) I got a "special" question about the possibility of filtering out every second trigger-event from an MQTT-input-node. Why?/Background: I recre…

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## [Websockets - Runtime API V2](https://discourse.nodered.org/t/websockets-runtime-api-v2/1656)

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**Author:** [@selo](https://discourse.nodered.org/u/selo)\
**Replies:** 6\
**Last updated:** [18 July 2018 14:45 UTC](https://discourse.nodered.org/t/websockets-runtime-api-v2/1656 "2018-07-18T14:45:20Z")

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Hi all, One of the reasons for migrating from my old FBP framework to NRed, was the intensive use of websockets for IPC'S. I can't undestand the scope of websockets in the v2-api . I have some NR projects on product…

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## [CATCH node. Does it really help?](https://discourse.nodered.org/t/catch-node-does-it-really-help/1644)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 12\
**Last updated:** [18 July 2018 12:51 UTC](https://discourse.nodered.org/t/catch-node-does-it-really-help/1644 "2018-07-18T12:51:38Z")

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Ok, originally I was a bit confused about the CATCH node and why it only had an OUTPUT, but then it dawned on me. It catches errors (by magic) and sends the report to the output node. This sounds great! I can use it …

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## [Get data out of object](https://discourse.nodered.org/t/get-data-out-of-object/1657)

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**Author:** [@NickB](https://discourse.nodered.org/u/NickB)\
**Replies:** 6\
**Last updated:** [18 July 2018 11:41 UTC](https://discourse.nodered.org/t/get-data-out-of-object/1657 "2018-07-18T11:41:38Z")

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This should be quite easy, but I don't see what's going wrong. I receive an object. In this object you have the element 'Label' and 'CurrState'. When labels has the value Sensor and Currstate is True, I just want to pa…

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## [⚠️ Flow Library outage](https://discourse.nodered.org/t/flow-library-outage/1655)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 1\
**Last updated:** [18 July 2018 10:15 UTC](https://discourse.nodered.org/t/flow-library-outage/1655 "2018-07-18T10:15:12Z")

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:white\_check\_mark: The Flow Library has been restored :warning:️ Automatic indexing of new nodes is disabled If you have a new node to add to the library, post in #development:creating-nodes. @knolleary can then manua…

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## [Help with PID tuning!](https://discourse.nodered.org/t/help-with-pid-tuning/1400)

<div class="topic-metadata">

**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 49\
**Last updated:** [18 July 2018 09:15 UTC](https://discourse.nodered.org/t/help-with-pid-tuning/1400 "2018-07-18T09:15:57Z")

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@Colin as discussed in another thread, I would be grateful if you could advise me how best to tune the node-red-contrib-pid node. My settings are; Proportional band = 5 Integral time = 3600 Derivative time = 1800 Initi…

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## [Where Did All the Schedule/Timer Nodes Go?](https://discourse.nodered.org/t/where-did-all-the-schedule-timer-nodes-go/1653)

<div class="topic-metadata">

**Author:** [@TheSauce](https://discourse.nodered.org/u/TheSauce)\
**Replies:** 2\
**Last updated:** [18 July 2018 07:47 UTC](https://discourse.nodered.org/t/where-did-all-the-schedule-timer-nodes-go/1653 "2018-07-18T07:47:12Z")

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I'm trying to figure out what happened to all of the schedule/timer nodes. Search for "schedule" or "timer" in the flows section doesn't return any nodes other than node-red-contrib-mytimeout. I have seen nodes in the …

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## [Contrib-fs-ops Missing?](https://discourse.nodered.org/t/contrib-fs-ops-missing/1648)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [18 July 2018 06:00 UTC](https://discourse.nodered.org/t/contrib-fs-ops-missing/1648 "2018-07-18T06:00:35Z")

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On one of my machines I have that installed. I want to put it on another machine. I go to: Library and enter fs-ops. Nothing. I am sure I did get it from there with the other machine and not via github. Just askin…

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## [Still can't install openzwave for Node Red](https://discourse.nodered.org/t/still-cant-install-openzwave-for-node-red/1205)

<div class="topic-metadata">

**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 4\
**Last updated:** [18 July 2018 04:15 UTC](https://discourse.nodered.org/t/still-cant-install-openzwave-for-node-red/1205 "2018-07-18T04:15:06Z")

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I hate to repost, but my last plea for help went off-topic. I’ve just spent most of a day trying to install openzwave for Node Red on my Pi 3. I am hopelessly lost, and worse, the instructions I’ve found conflict with e…

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