# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1007

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

**Page:** 1008

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## [Using Mail Node / Disconnect before TLS was established](https://discourse.nodered.org/t/using-mail-node-disconnect-before-tls-was-established/32383)

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**Author:** [@superwinni2](https://discourse.nodered.org/u/superwinni2)\
**Replies:** 0\
**Last updated:** [3 September 2020 06:03 UTC](https://discourse.nodered.org/t/using-mail-node-disconnect-before-tls-was-established/32383 "2020-09-03T06:03:40Z")

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Hello together I've got an question to the "mail" node... It's working with gmail. But I want to send with my local Mailserver and Port 25... Mailserver is an "OpenRelay"... No authentification and no encryption neede…

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## [GPIO0,GPIO1 can't working for output in the CM3](https://discourse.nodered.org/t/gpio0-gpio1-cant-working-for-output-in-the-cm3/32376)

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**Author:** [@jinyistudio](https://discourse.nodered.org/u/jinyistudio)\
**Replies:** 0\
**Last updated:** [3 September 2020 02:05 UTC](https://discourse.nodered.org/t/gpio0-gpio1-cant-working-for-output-in-the-cm3/32376 "2020-09-03T02:05:30Z")

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I have modify follow node for CM3. all GPIO number is ok. just GPIO0, GPIO1 not work as output. :joy: pigpiod -v \>\>\> 71

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## [How to output file after unzip](https://discourse.nodered.org/t/how-to-output-file-after-unzip/32322)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 7\
**Last updated:** [3 September 2020 00:14 UTC](https://discourse.nodered.org/t/how-to-output-file-after-unzip/32322 "2020-09-03T00:14:09Z")

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I use the zip node with Decompress mode and the output is an array with objects containing filename as a String and payload as a Buffer. \[{"id":"bb43c18.ca6614","type":"inject","z":"3b501765.6a7958","name":"","props":…

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## [Make a big Payload cut to arrays](https://discourse.nodered.org/t/make-a-big-payload-cut-to-arrays/32367)

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**Author:** [@Zyan](https://discourse.nodered.org/u/Zyan)\
**Replies:** 2\
**Last updated:** [2 September 2020 21:37 UTC](https://discourse.nodered.org/t/make-a-big-payload-cut-to-arrays/32367 "2020-09-02T21:37:27Z")

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Hi guys is it possible to make in a Payload after every , an new array? \[{"id":"4c517225-c9ed-4a6e-ba08-93d9c737627d","name":"Gem\\u00fcnden Frankfurter Strasse 14","brand":"OMV","street":"Frankfurter Str.","place":"Gem\\…

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## [Timing out if flow has been idle for x minutes](https://discourse.nodered.org/t/timing-out-if-flow-has-been-idle-for-x-minutes/32366)

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**Author:** [@henrikmaa](https://discourse.nodered.org/u/henrikmaa)\
**Replies:** 1\
**Last updated:** [2 September 2020 21:05 UTC](https://discourse.nodered.org/t/timing-out-if-flow-has-been-idle-for-x-minutes/32366 "2020-09-02T21:05:27Z")

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Hi, I need some help adding timeout if a flow has not been running for x minutes. I have tried several of the node packages with timeouts. but I cant figure out how to make it work automatically. I am trying to set a …

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## [Door sensor light turn on after off. But if the light was on and open the door don't want to turn off](https://discourse.nodered.org/t/door-sensor-light-turn-on-after-off-but-if-the-light-was-on-and-open-the-door-dont-want-to-turn-off/32346)

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**Author:** [@spider7611](https://discourse.nodered.org/u/spider7611)\
**Replies:** 1\
**Last updated:** [2 September 2020 18:47 UTC](https://discourse.nodered.org/t/door-sensor-light-turn-on-after-off-but-if-the-light-was-on-and-open-the-door-dont-want-to-turn-off/32346 "2020-09-02T18:47:13Z")

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Hi, Please help, I don't know how to solve this: So have a door sensor and a light. If the door opening the light is turned on and after 4 minutes turn off auto. If I open again before the 4 minutes expire the trigger…

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## [Node-red-contrib-i2c how to initialize I2C bus](https://discourse.nodered.org/t/node-red-contrib-i2c-how-to-initialize-i2c-bus/32164)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 10\
**Last updated:** [2 September 2020 18:06 UTC](https://discourse.nodered.org/t/node-red-contrib-i2c-how-to-initialize-i2c-bus/32164 "2020-09-02T18:06:30Z")

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I am using Sequent Microsystem's 8relay board. It works perfectly using SM's cmd-line tool with an exec node in node-red. But as I do not like command line integration, I rebuild the functionality of the cmd-line progra…

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## [Build a cluster nodered](https://discourse.nodered.org/t/build-a-cluster-nodered/30159)

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**Author:** [@cherryhdt](https://discourse.nodered.org/u/cherryhdt)\
**Replies:** 3\
**Last updated:** [2 September 2020 17:51 UTC](https://discourse.nodered.org/t/build-a-cluster-nodered/30159 "2020-09-02T17:51:47Z")

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I want to create a nodered cluster,Is there a guide for how to build it?

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## [No periods in context variable names?](https://discourse.nodered.org/t/no-periods-in-context-variable-names/32269)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 15\
**Last updated:** [2 September 2020 17:44 UTC](https://discourse.nodered.org/t/no-periods-in-context-variable-names/32269 "2020-09-02T17:44:04Z")

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Not sure why I have not seen this before, but I was writing a flow that need use of context, so I did the following... Where msg.topic just happened to be FQDN reference, say www.google.com. var theDevice = flow.get(ms…

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## [Using TUYA local nodes with Smart Plug YX-WS01 devices?](https://discourse.nodered.org/t/using-tuya-local-nodes-with-smart-plug-yx-ws01-devices/32358)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 0\
**Last updated:** [2 September 2020 17:39 UTC](https://discourse.nodered.org/t/using-tuya-local-nodes-with-smart-plug-yx-ws01-devices/32358 "2020-09-02T17:39:32Z")

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Using TUYA local nodes with Smart Plug YX-WS01 devices? I have done this several times, and after getting the device ids and device keys, it usually is straight forward to setup in NR. But I have noticed that some time…

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## [How to load a model for Tensorflow.js node?](https://discourse.nodered.org/t/how-to-load-a-model-for-tensorflow-js-node/32357)

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**Author:** [@foobrizio](https://discourse.nodered.org/u/foobrizio)\
**Replies:** 0\
**Last updated:** [2 September 2020 16:49 UTC](https://discourse.nodered.org/t/how-to-load-a-model-for-tensorflow-js-node/32357 "2020-09-02T16:49:41Z")

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Hi everyone, I'm trying to create a flow on my Raspberry PI 4 with TensorFlow nodes, but I can't make them work. As you can see in the screenshot below, I'm testing 2 different TensorFlow nodes: the one named "tfjs o…

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## [Using rtl\_433 node with Node-Red Docker](https://discourse.nodered.org/t/using-rtl-433-node-with-node-red-docker/32351)

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**Author:** [@nem](https://discourse.nodered.org/u/nem)\
**Replies:** 0\
**Last updated:** [2 September 2020 13:31 UTC](https://discourse.nodered.org/t/using-rtl-433-node-with-node-red-docker/32351 "2020-09-02T13:31:53Z")

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Hi, Has anyone been able to get the rtl\_433 node (which needs rtl-sdr and rtl-433 Installed locally in the environment). The issue seems to be that node-red docker is using node 10 or 12 with Alpine v3.11. Trying to e…

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## [OPC UA multiple variable read and send to influxdb node](https://discourse.nodered.org/t/opc-ua-multiple-variable-read-and-send-to-influxdb-node/32348)

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**Author:** [@vishalk](https://discourse.nodered.org/u/vishalk)\
**Replies:** 0\
**Last updated:** [2 September 2020 13:20 UTC](https://discourse.nodered.org/t/opc-ua-multiple-variable-read-and-send-to-influxdb-node/32348 "2020-09-02T13:20:34Z")

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Hello, I am reading axis values(float type) from siemens sinumerik controller with OPC UA connection, I want to read multiple values i.e multiple variable. How to read multiple variable, how to split the the values of…

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## [Storing Previous Value of msg.payload](https://discourse.nodered.org/t/storing-previous-value-of-msg-payload/32340)

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**Author:** [@Sandy](https://discourse.nodered.org/u/Sandy)\
**Replies:** 4\
**Last updated:** [2 September 2020 12:56 UTC](https://discourse.nodered.org/t/storing-previous-value-of-msg-payload/32340 "2020-09-02T12:56:47Z")

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Hi All I am updating the message payload with an interval and at a certain condition, I am stopping the updating by giving ON as String to that function .So, I need the Previous Value that is the previous msg payload. C…

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## [Simple repeat last msg node to re-send MQTT](https://discourse.nodered.org/t/simple-repeat-last-msg-node-to-re-send-mqtt/4558)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 26\
**Last updated:** [2 September 2020 12:27 UTC](https://discourse.nodered.org/t/simple-repeat-last-msg-node-to-re-send-mqtt/4558 "2020-09-02T12:27:33Z")

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Before I re-invent the wheel, is there a node that stores the last msg that passes thru it and re-sends it if it gets something like msg.repeat = True? Don't mind coding one up but sometimes you find out someone else ha…

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## [World Map showing outdated results](https://discourse.nodered.org/t/world-map-showing-outdated-results/32330)

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**Author:** [@kvramji](https://discourse.nodered.org/u/kvramji)\
**Replies:** 9\
**Last updated:** [2 September 2020 12:24 UTC](https://discourse.nodered.org/t/world-map-showing-outdated-results/32330 "2020-09-02T12:24:06Z")

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Quick question, I wanna know if there is anyway i can choose options other that the dropdown menu options of "Base Map" field. I get different results when i see this location on node red and on another website which le…

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## [Manual override for switch/dropdown](https://discourse.nodered.org/t/manual-override-for-switch-dropdown/32315)

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**Author:** [@henrikmaa](https://discourse.nodered.org/u/henrikmaa)\
**Replies:** 3\
**Last updated:** [2 September 2020 11:53 UTC](https://discourse.nodered.org/t/manual-override-for-switch-dropdown/32315 "2020-09-02T11:53:11Z")

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Hi, I found this solution to make a dropdown with Auto, manual off or manual on. The issue is that only AUTO, and manual ON works. Off does not do anything. I have tried for several hours to fix it now but cant seem t…

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## [OPC connection sinumerik controller and node red](https://discourse.nodered.org/t/opc-connection-sinumerik-controller-and-node-red/32344)

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**Author:** [@vishalk](https://discourse.nodered.org/u/vishalk)\
**Replies:** 0\
**Last updated:** [2 September 2020 11:45 UTC](https://discourse.nodered.org/t/opc-connection-sinumerik-controller-and-node-red/32344 "2020-09-02T11:45:19Z")

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Hello, I am reading data from Sinumerik CNC controller and Simatic PLC to Node red with OPC UA.I am using single ethernet for both the controllers. With Simatic,reading data is happening every time I connect my ethe…

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## [Monitoring devices #2](https://discourse.nodered.org/t/monitoring-devices-2/32142)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 5\
**Last updated:** [2 September 2020 11:28 UTC](https://discourse.nodered.org/t/monitoring-devices-2/32142 "2020-09-02T11:28:20Z")

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Hello I refer to the two closed themes: monitoring devices and Monitoring IoT by Ping I've modified the flow from Steve-Mcl so I read out the information from a file and also set the type of the device e.g. Server,…

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## [Import / Export node-red flow with same Id](https://discourse.nodered.org/t/import-export-node-red-flow-with-same-id/32300)

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**Author:** [@Jignesh](https://discourse.nodered.org/u/Jignesh)\
**Replies:** 6\
**Last updated:** [2 September 2020 10:14 UTC](https://discourse.nodered.org/t/import-export-node-red-flow-with-same-id/32300 "2020-09-02T10:14:14Z")

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Hello every one, We have two node-red environment Development and production, both are host on IBM cloud. Now, when we export and re-import flow, node id get change so we are not able to find different between two env…

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## [Data logger (Dashboard -\> InfluxDB)](https://discourse.nodered.org/t/data-logger-dashboard-influxdb/32337)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 0\
**Last updated:** [2 September 2020 10:08 UTC](https://discourse.nodered.org/t/data-logger-dashboard-influxdb/32337 "2020-09-02T10:08:15Z")

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Has anyone already built a data logging system? I'm interested in the following spec, and I'll make it myself but wanted to check to see if anyone has already done something like this: Ability to input readings into Da…

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## [Come cambiare sfondo di un solo gauge?](https://discourse.nodered.org/t/come-cambiare-sfondo-di-un-solo-gauge/32336)

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**Author:** [@andrea92](https://discourse.nodered.org/u/andrea92)\
**Replies:** 0\
**Last updated:** [2 September 2020 09:58 UTC](https://discourse.nodered.org/t/come-cambiare-sfondo-di-un-solo-gauge/32336 "2020-09-02T09:58:10Z")

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Ho diversi gauge su diversi gruppi, pero voglio cambiare solamente lo sfondo di un gruppo di gauge invece mi modifica tutti gli altri. come posso fare?Grazie

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## [How can I disable the vertical overflow scrollbar from a template element?](https://discourse.nodered.org/t/how-can-i-disable-the-vertical-overflow-scrollbar-from-a-template-element/32334)

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**Author:** [@mhsob](https://discourse.nodered.org/u/mhsob)\
**Replies:** 0\
**Last updated:** [2 September 2020 09:42 UTC](https://discourse.nodered.org/t/how-can-i-disable-the-vertical-overflow-scrollbar-from-a-template-element/32334 "2020-09-02T09:42:49Z")

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I want to use a template node to show content (e.g. a list of missed phone calls), which shows the relevant information (e.g. last three calls) in the space that's available, but which can be scrolled to see more. So if…

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## [Contrib JSON node returns nothing when using jq engine](https://discourse.nodered.org/t/contrib-json-node-returns-nothing-when-using-jq-engine/32103)

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**Author:** [@PeterL](https://discourse.nodered.org/u/PeterL)\
**Replies:** 8\
**Last updated:** [1 September 2020 16:13 UTC](https://discourse.nodered.org/t/contrib-json-node-returns-nothing-when-using-jq-engine/32103 "2020-09-01T16:13:23Z")

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Hi, Bit of a NR newbie...I simply want to use the jq engine but it returns nothing. I've setup the contrib-json node using the example in the node description. My simple flow uses an inject not to pass JSON in msg.pay…

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## [Cross Platform App with React Native](https://discourse.nodered.org/t/cross-platform-app-with-react-native/32302)

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**Author:** [@Chetan](https://discourse.nodered.org/u/Chetan)\
**Replies:** 4\
**Last updated:** [2 September 2020 06:32 UTC](https://discourse.nodered.org/t/cross-platform-app-with-react-native/32302 "2020-09-02T06:32:36Z")

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Greetings to all contributers I am new to Node-RED and want to build a IOT app which can run on multiple platforms(os). can i use React native in node-RED ?

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## [UI design in node automatically according to number of CAN bus](https://discourse.nodered.org/t/ui-design-in-node-automatically-according-to-number-of-can-bus/32277)

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**Author:** [@shipra](https://discourse.nodered.org/u/shipra)\
**Replies:** 6\
**Last updated:** [2 September 2020 05:38 UTC](https://discourse.nodered.org/t/ui-design-in-node-automatically-according-to-number-of-can-bus/32277 "2020-09-02T05:38:10Z")

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I am designing a flow in which gateway side i am sending data to door controller via can bus and to node red ui through mqtt .I have to design UI for door on/off button and status of door in text ,but automatically it me…

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## [Extract Numbers from msg.payload (String)](https://discourse.nodered.org/t/extract-numbers-from-msg-payload-string/31916)

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**Author:** [@Tangensphi](https://discourse.nodered.org/u/Tangensphi)\
**Replies:** 9\
**Last updated:** [1 September 2020 22:35 UTC](https://discourse.nodered.org/t/extract-numbers-from-msg-payload-string/31916 "2020-09-01T22:35:31Z")

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Hello Guys! After repeatedly trying to get my flow to work, I've decided to ask for help. What I want to achieve: I've got a string with a lot of data from our heating system and I need to separate it into single numer…

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## [Flow for Italian retepa - lepida, sensor DATA](https://discourse.nodered.org/t/flow-for-italian-retepa-lepida-sensor-data/32321)

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**Author:** [@GioBert](https://discourse.nodered.org/u/GioBert)\
**Replies:** 0\
**Last updated:** [1 September 2020 20:26 UTC](https://discourse.nodered.org/t/flow-for-italian-retepa-lepida-sensor-data/32321 "2020-09-01T20:26:09Z")

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Hi, I'm a new Italian user and I'm trying my first experiences with node-red! the flow: https://flows.nodered.org/flow/4ebc73fb1453a044d0e4498041991e26 This flow allows you to query the lepida server and return the pay…

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## [Flow for Italian retepa - lepida, sensor list](https://discourse.nodered.org/t/flow-for-italian-retepa-lepida-sensor-list/32320)

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**Author:** [@GioBert](https://discourse.nodered.org/u/GioBert)\
**Replies:** 0\
**Last updated:** [1 September 2020 20:23 UTC](https://discourse.nodered.org/t/flow-for-italian-retepa-lepida-sensor-list/32320 "2020-09-01T20:23:55Z")

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Hi, I'm a new Italian user and I'm trying my first experiences with node-red! my first flow link: https://flows.nodered.org/flow/7088c252b7d783a7609867467e23c536 This flow lists the sensors available for a particular u…

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## [How can I create a Telegram Menu?](https://discourse.nodered.org/t/how-can-i-create-a-telegram-menu/32310)

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**Author:** [@Christiandomes](https://discourse.nodered.org/u/Christiandomes)\
**Replies:** 1\
**Last updated:** [1 September 2020 17:21 UTC](https://discourse.nodered.org/t/how-can-i-create-a-telegram-menu/32310 "2020-09-01T17:21:04Z")

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How can I create a Telegram Menu?

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