# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1197

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

**Page:** 1198

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## [How to edit the function with the output of MQTT OUT](https://discourse.nodered.org/t/how-to-edit-the-function-with-the-output-of-mqtt-out/18256)

<div class="topic-metadata">

**Author:** [@molly](https://discourse.nodered.org/u/molly)\
**Replies:** 0\
**Last updated:** [22 November 2019 00:14 UTC](https://discourse.nodered.org/t/how-to-edit-the-function-with-the-output-of-mqtt-out/18256 "2019-11-22T00:14:41Z")

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As the figure 1 below, I am going to use the MQTT OUT node that sends the downlink data to TTN. But in the debug window, I have two signal humidity and light in msg.payload.payload-fields, but I just want to send one sig…

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## [Persistent SSH Node](https://discourse.nodered.org/t/persistent-ssh-node/4365)

<div class="topic-metadata">

**Author:** [@stbluesrul](https://discourse.nodered.org/u/stbluesrul)\
**Replies:** 6\
**Last updated:** [21 November 2019 23:11 UTC](https://discourse.nodered.org/t/persistent-ssh-node/4365 "2019-11-21T23:11:07Z")

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Is there something like a persistent SSH node available? I'm hoping it can behave like this: when Node-RED starts up or Deploy is pushed I'm hoping it can connect and then wait for input. Likewise, anything that is re…

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## [How to seperate payload\_fields into two topic in 'MQTT IN' node](https://discourse.nodered.org/t/how-to-seperate-payload-fields-into-two-topic-in-mqtt-in-node/18211)

<div class="topic-metadata">

**Author:** [@molly](https://discourse.nodered.org/u/molly)\
**Replies:** 2\
**Last updated:** [21 November 2019 22:45 UTC](https://discourse.nodered.org/t/how-to-seperate-payload-fields-into-two-topic-in-mqtt-in-node/18211 "2019-11-21T22:45:11Z")

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I have already made two signals humidity and light shown in payload\_fields in debug message, how can I seperate them into two independent value or two topics? Because after the MQTT IN node, I need to display two signals…

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## [Html node template problem](https://discourse.nodered.org/t/html-node-template-problem/18250)

<div class="topic-metadata">

**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 0\
**Last updated:** [21 November 2019 21:44 UTC](https://discourse.nodered.org/t/html-node-template-problem/18250 "2019-11-21T21:44:57Z")

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with html i am not a big hero first of all... i am trying to send data to a template node, done it before but cannot get it to work now simple part of the project below \[{"id":"8d600f30.09115","type":"inject","z":"227…

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## [Uibuilder v2.0.6: Bugfix and minor tweaks + a new example](https://discourse.nodered.org/t/uibuilder-v2-0-6-bugfix-and-minor-tweaks-a-new-example/18249)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 0\
**Last updated:** [21 November 2019 20:47 UTC](https://discourse.nodered.org/t/uibuilder-v2-0-6-bugfix-and-minor-tweaks-a-new-example/18249 "2019-11-21T20:47:24Z")

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Hi all, Thanks for Paul W who found a bug, I've pushed a new release. Fixed Improved detection for projects. Previously if projects had been in use and were then disabled, uibuilder would still think them active. Cha…

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## [🎉 Node-RED 1.0.3 Released](https://discourse.nodered.org/t/node-red-1-0-3-released/18247)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 0\
**Last updated:** [21 November 2019 20:19 UTC](https://discourse.nodered.org/t/node-red-1-0-3-released/18247 "2019-11-21T20:19:22Z")

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A new maintenance release has been published - https://github.com/node-red/node-red/releases/tag/1.0.3 Lots of minor fixes and updates to various dependencies. This includes JSONata 1.7.0 for those of you eager to make …

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## [Pls help: Node Red will not start / Backups seems to be damaged](https://discourse.nodered.org/t/pls-help-node-red-will-not-start-backups-seems-to-be-damaged/18172)

<div class="topic-metadata">

**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\
**Replies:** 11\
**Last updated:** [21 November 2019 17:48 UTC](https://discourse.nodered.org/t/pls-help-node-red-will-not-start-backups-seems-to-be-damaged/18172 "2019-11-21T17:48:37Z")

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I ve a big big problem. After I added a big flow my node red (ioBroker implemented but never used) lost connection. Now it does not start anymore. I ve no idea where to find the error logs. My backup stick seems to be …

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## [TypeError: Cannot read property '0' of undefined](https://discourse.nodered.org/t/typeerror-cannot-read-property-0-of-undefined/18225)

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**Author:** [@varun](https://discourse.nodered.org/u/varun)\
**Replies:** 20\
**Last updated:** [21 November 2019 16:05 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-property-0-of-undefined/18225 "2019-11-21T16:05:01Z")

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I am getting a type error - Cannot read property '0' of undefined in my function node. I am not sure what is exactly the mistake. I have attached my flow. Can someone suggest me what should i do to solve the error. I am …

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## [Uibuilder - sync button status across multiple web browsers](https://discourse.nodered.org/t/uibuilder-sync-button-status-across-multiple-web-browsers/18226)

<div class="topic-metadata">

**Author:** [@stanleyseow](https://discourse.nodered.org/u/stanleyseow)\
**Replies:** 1\
**Last updated:** [21 November 2019 09:50 UTC](https://discourse.nodered.org/t/uibuilder-sync-button-status-across-multiple-web-browsers/18226 "2019-11-21T09:50:37Z")

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I hv setup the uibuilder caching examples and I can get the updated button state ONLY when I hit the refresh button on the browser ... How can I have the other browsers sync itself immediately ( without pressing the ref…

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## [Modem AT commands](https://discourse.nodered.org/t/modem-at-commands/18203)

<div class="topic-metadata">

**Author:** [@New2Node](https://discourse.nodered.org/u/New2Node)\
**Replies:** 4\
**Last updated:** [20 November 2019 19:55 UTC](https://discourse.nodered.org/t/modem-at-commands/18203 "2019-11-20T19:55:39Z")

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Hi, I have a LTE CAT1 PI hat (Seeed) on my Rpi and I’m trying to use node-red to configure the APN using AT commands and the UART connection. If I send: \*\*msg.payload=“AT/r/n”; \*\* return msg; I get “OK” from the mode…

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## [Command a VSD with Node-RED](https://discourse.nodered.org/t/command-a-vsd-with-node-red/1661)

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**Author:** [@iridiu](https://discourse.nodered.org/u/iridiu)\
**Replies:** 1\
**Last updated:** [20 November 2019 19:41 UTC](https://discourse.nodered.org/t/command-a-vsd-with-node-red/1661 "2019-11-20T19:41:31Z")

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Dear members of Node-RED community, I'm a beginner in terms of Node-RED and ModBus protocol, for this reason I can not find a solution to control a variable speed drive from Node-RED via ModBus TCP. The VSD is an Schneid…

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## [Disable when a certain message arrives](https://discourse.nodered.org/t/disable-when-a-certain-message-arrives/17501)

<div class="topic-metadata">

**Author:** [@4integration](https://discourse.nodered.org/u/4integration)\
**Replies:** 5\
**Last updated:** [20 November 2019 19:07 UTC](https://discourse.nodered.org/t/disable-when-a-certain-message-arrives/17501 "2019-11-20T19:07:59Z")

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HI, I have a Node-RED flow deployed looking like below On the HTTP input node I receives triggers from my video surveillance system (motion detection) and to notify activity via pushover or email depending on the que…

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## [Convert json from api to graphite](https://discourse.nodered.org/t/convert-json-from-api-to-graphite/18169)

<div class="topic-metadata">

**Author:** [@wolfman2g1](https://discourse.nodered.org/u/wolfman2g1)\
**Replies:** 11\
**Last updated:** [20 November 2019 17:46 UTC](https://discourse.nodered.org/t/convert-json-from-api-to-graphite/18169 "2019-11-20T17:46:23Z")

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Hello, I'm new to node red, I'm working on a project where I get data from an api, do some filtering with a function. Now i'd like to save it to graphite. I installed the graphite plugin but the data is rejected. I know…

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## [Node-RED under termux and Android](https://discourse.nodered.org/t/node-red-under-termux-and-android/18171)

<div class="topic-metadata">

**Author:** [@baqwas](https://discourse.nodered.org/u/baqwas)\
**Replies:** 6\
**Last updated:** [20 November 2019 16:34 UTC](https://discourse.nodered.org/t/node-red-under-termux-and-android/18171 "2019-11-20T16:34:43Z")

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Hello, Apologies in advance for a truly beginner question but I haven't found any termux specific doc on UI settings to construct flows. After installing the Node-RED package under termux (aarch64 Android Linux 4.4.177…

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## [Counterfeit DS18B20](https://discourse.nodered.org/t/counterfeit-ds18b20/18198)

<div class="topic-metadata">

**Author:** [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Replies:** 1\
**Last updated:** [20 November 2019 15:23 UTC](https://discourse.nodered.org/t/counterfeit-ds18b20/18198 "2019-11-20T15:23:14Z")

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I just found this in another forum: \[edit\] This link https://www.maximintegrated.com/en/support/faqs/ds18b20-faq.html also shows that the real DS18B20 is also a lot more accurate than we think!

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## [Error In Dashboard creation](https://discourse.nodered.org/t/error-in-dashboard-creation/18181)

<div class="topic-metadata">

**Author:** [@varun](https://discourse.nodered.org/u/varun)\
**Replies:** 18\
**Last updated:** [20 November 2019 14:37 UTC](https://discourse.nodered.org/t/error-in-dashboard-creation/18181 "2019-11-20T14:37:54Z")

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Hello, I created a dashboard where i can change the values of the variables in the function node. However I am getting an error when i deploy it stating that the variables are not defined. And also there is no change eve…

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## [Read Dynamic nodes from OPC UA Server](https://discourse.nodered.org/t/read-dynamic-nodes-from-opc-ua-server/18192)

<div class="topic-metadata">

**Author:** [@Piyush](https://discourse.nodered.org/u/Piyush)\
**Replies:** 0\
**Last updated:** [20 November 2019 11:03 UTC](https://discourse.nodered.org/t/read-dynamic-nodes-from-opc-ua-server/18192 "2019-11-20T11:03:15Z")

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I've an OPC UA Server where the nodes are generated dynamically each time the server is restarted. Due to this index of the nodes keeps on changing. Also the nodes are only defined with numeric indices and not via string…

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## [Matplot using on Node-RED](https://discourse.nodered.org/t/matplot-using-on-node-red/18162)

<div class="topic-metadata">

**Author:** [@ALOKA1432](https://discourse.nodered.org/u/ALOKA1432)\
**Replies:** 27\
**Last updated:** [20 November 2019 10:51 UTC](https://discourse.nodered.org/t/matplot-using-on-node-red/18162 "2019-11-20T10:51:15Z")

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Hi all, Is it possible to do matplot on NodeRED dashboard using pythonshell or exec node ?

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## [Unable to install node red using docker command](https://discourse.nodered.org/t/unable-to-install-node-red-using-docker-command/18147)

<div class="topic-metadata">

**Author:** [@dineshpittala](https://discourse.nodered.org/u/dineshpittala)\
**Replies:** 6\
**Last updated:** [20 November 2019 10:34 UTC](https://discourse.nodered.org/t/unable-to-install-node-red-using-docker-command/18147 "2019-11-20T10:34:59Z")

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linux@linux-VirtualBox:~/node$ linux@linux-VirtualBox:~/node$ docker run -it -p 1880:1880 --name mynodered\*\* nodered/node-red fs.js:114 throw err; ^ Error: EACCES: permission denied, open '/usr/local/lib/node\_module…

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## [Read data from RS232 Scale weight port](https://discourse.nodered.org/t/read-data-from-rs232-scale-weight-port/18175)

<div class="topic-metadata">

**Author:** [@jaquesvoleur](https://discourse.nodered.org/u/jaquesvoleur)\
**Replies:** 2\
**Last updated:** [20 November 2019 10:21 UTC](https://discourse.nodered.org/t/read-data-from-rs232-scale-weight-port/18175 "2019-11-20T10:21:28Z")

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Hi, I have been triying to read data from a digital scale weight, it uses a RS232 port, I am using my laptop with Linux Mint, I have been triying a lot of software for SCADA just for read the data but I got no luck, now …

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## [Reading GPS and Scan for Ble on Node-red](https://discourse.nodered.org/t/reading-gps-and-scan-for-ble-on-node-red/18137)

<div class="topic-metadata">

**Author:** [@hazee007](https://discourse.nodered.org/u/hazee007)\
**Replies:** 4\
**Last updated:** [20 November 2019 10:12 UTC](https://discourse.nodered.org/t/reading-gps-and-scan-for-ble-on-node-red/18137 "2019-11-20T10:12:28Z")

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I have a project where i want a gps module connect to raspberry pi and read the lat long on node-red, also i want to do a ble scan and get the result on node-red also, the issue here is i cant read the gps data coming f…

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## [Multitech Conduit - cannot install node-red-contrib-ttn](https://discourse.nodered.org/t/multitech-conduit-cannot-install-node-red-contrib-ttn/18177)

<div class="topic-metadata">

**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 6\
**Last updated:** [20 November 2019 08:47 UTC](https://discourse.nodered.org/t/multitech-conduit-cannot-install-node-red-contrib-ttn/18177 "2019-11-20T08:47:21Z")

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Hi, Trying to install node-red-contrib-ttn on a Multitech Conduit - running 5.0.0-AEP via the Manage palette It keeps throwing the below errors - Error: Command failed: npm WARN addRemoteGit Error: not found: git npm …

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## [Read data from two different csv files as input for a function node](https://discourse.nodered.org/t/read-data-from-two-different-csv-files-as-input-for-a-function-node/17933)

<div class="topic-metadata">

**Author:** [@varun](https://discourse.nodered.org/u/varun)\
**Replies:** 9\
**Last updated:** [20 November 2019 08:36 UTC](https://discourse.nodered.org/t/read-data-from-two-different-csv-files-as-input-for-a-function-node/17933 "2019-11-20T08:36:23Z")

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I have a function node which has a few variables. They have to be altered depending on the useage. Therefore i dont anyone to alter the Code .Instead I want to read these values from csv file so that changes can easily b…

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## [Movie light automation](https://discourse.nodered.org/t/movie-light-automation/18115)

<div class="topic-metadata">

**Author:** [@cranks](https://discourse.nodered.org/u/cranks)\
**Replies:** 5\
**Last updated:** [20 November 2019 05:04 UTC](https://discourse.nodered.org/t/movie-light-automation/18115 "2019-11-20T05:04:56Z")

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Previously I had Home Assistant installed with NR on a Pi3, but it was becoming increasingly sluggish and it was suggested I install NR as a standalone product on my Pi. I've done this and have set up a simple light sche…

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## [Change Node: JSONata misbehaving/expression disappearing intermittently](https://discourse.nodered.org/t/change-node-jsonata-misbehaving-expression-disappearing-intermittently/18152)

<div class="topic-metadata">

**Author:** [@tony-shannon](https://discourse.nodered.org/u/tony-shannon)\
**Replies:** 11\
**Last updated:** [19 November 2019 23:00 UTC](https://discourse.nodered.org/t/change-node-jsonata-misbehaving-expression-disappearing-intermittently/18152 "2019-11-19T23:00:37Z")

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For some strange reason while I'm editing flows including Change Node with JSONata expressions, every so often the JSONata expression is disappearing completely from the Node. Its hard to reproduce, but its happening af…

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## [Within flow POST to external REST API using JWT authentication](https://discourse.nodered.org/t/within-flow-post-to-external-rest-api-using-jwt-authentication/17377)

<div class="topic-metadata">

**Author:** [@Laura](https://discourse.nodered.org/u/Laura)\
**Replies:** 6\
**Last updated:** [19 November 2019 21:39 UTC](https://discourse.nodered.org/t/within-flow-post-to-external-rest-api-using-jwt-authentication/17377 "2019-11-19T21:39:39Z")

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Hi there, I have a flow that catches json payloads, splits them in seperate key-value pairs. What I would like to do now is to forward the new json by HTTP POST to a REST API that uses JWT authentication. I managed to…

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## [Questions about some functions](https://discourse.nodered.org/t/questions-about-some-functions/18157)

<div class="topic-metadata">

**Author:** [@Hubertus3th](https://discourse.nodered.org/u/Hubertus3th)\
**Replies:** 3\
**Last updated:** [19 November 2019 21:27 UTC](https://discourse.nodered.org/t/questions-about-some-functions/18157 "2019-11-19T21:27:32Z")

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Hey Guys i have some questions about my programming skills. Please don´t delete my post i´m new to programming with java and node red. Temp: \[{"id":"1fbb0938.77cf67","type":"function","z":"56d57d0c.f202b4","name":"Tempe…

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## [Array within an object](https://discourse.nodered.org/t/array-within-an-object/18051)

<div class="topic-metadata">

**Author:** [@scoobyluke](https://discourse.nodered.org/u/scoobyluke)\
**Replies:** 6\
**Last updated:** [19 November 2019 21:21 UTC](https://discourse.nodered.org/t/array-within-an-object/18051 "2019-11-19T21:21:15Z")

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Evening All. A friend suggested I might want to use Node-Red as a solution to problem i'm having but as i'm new to Node-Red, I haven't got much of a clue what i'm doing with it! We use an online quoting tool called Quot…

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## [Injecting data & timestamp into chart](https://discourse.nodered.org/t/injecting-data-timestamp-into-chart/18164)

<div class="topic-metadata">

**Author:** [@forrest.gates](https://discourse.nodered.org/u/forrest.gates)\
**Replies:** 1\
**Last updated:** [19 November 2019 21:16 UTC](https://discourse.nodered.org/t/injecting-data-timestamp-into-chart/18164 "2019-11-19T21:16:00Z")

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Hi there, I am attempting to inject a set a data that i received from my WatsonIoT Device and putting it into a continuing chart for display. To make it easier for a test run, I chopped off all but one specific set of d…

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## [Join Node Confusion](https://discourse.nodered.org/t/join-node-confusion/18163)

<div class="topic-metadata">

**Author:** [@rlongfield](https://discourse.nodered.org/u/rlongfield)\
**Replies:** 2\
**Last updated:** [19 November 2019 20:23 UTC](https://discourse.nodered.org/t/join-node-confusion/18163 "2019-11-19T20:23:32Z")

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I am trying to combine the payload of a number of different nodes into a single payload. I am able to get 2 payloads to combine in the proper order but when I add a 3rd or more nodes the order is scrambled. I did notic…

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