# Latest

**URL:** https://discourse.nodered.org/latest.md?page=684

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

**Page:** 685

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## [I suggest two implementations](https://discourse.nodered.org/t/i-suggest-two-implementations/54323)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 0\
**Last updated:** [26 November 2021 10:14 UTC](https://discourse.nodered.org/t/i-suggest-two-implementations/54323 "2021-11-26T10:14:04Z")

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Are utilities that might be useful. be able to put link also for node comment be able to put false link (without function but only to remember before configuration of node) (dotted line) Can ever be considered? I con…

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## [Linking tuya web platform devices](https://discourse.nodered.org/t/linking-tuya-web-platform-devices/54341)

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**Author:** [@LHPDM](https://discourse.nodered.org/u/LHPDM)\
**Replies:** 6\
**Last updated:** [28 November 2021 00:42 UTC](https://discourse.nodered.org/t/linking-tuya-web-platform-devices/54341 "2021-11-28T00:42:31Z")

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I'm using the node-red-contrib-homebridge-automation since month. in the last days I can switch with the hb-control node the lights on and off, but if someone switches the light at the switch, over home bridge or HomeKit…

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## [Dashboard: start and show an application on dashboard](https://discourse.nodered.org/t/dashboard-start-and-show-an-application-on-dashboard/54342)

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**Author:** [@habakuk25](https://discourse.nodered.org/u/habakuk25)\
**Replies:** 7\
**Last updated:** [27 November 2021 22:05 UTC](https://discourse.nodered.org/t/dashboard-start-and-show-an-application-on-dashboard/54342 "2021-11-27T22:05:49Z")

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Hi! I am triing to implement a phython program which is simply started via the terminal, into the nodered-dashboard. Is there a possibility to start the application from the dashboard as well as embed the application w…

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## [How do I check that a device is online?](https://discourse.nodered.org/t/how-do-i-check-that-a-device-is-online/54189)

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**Author:** [@Sprocket-N](https://discourse.nodered.org/u/Sprocket-N)\
**Replies:** 3\
**Last updated:** [27 November 2021 21:31 UTC](https://discourse.nodered.org/t/how-do-i-check-that-a-device-is-online/54189 "2021-11-27T21:31:38Z")

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Hello, To control my outside lights and also monitor my greenhouse and garage temperatures. I have three ESP32 dev boards which communicate with Node-RED via a Mosquito server running on a Raspberry Pi4B. I have both m…

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## [Warning email alert send multiple warn!(how to send only 1 warn ?)](https://discourse.nodered.org/t/warning-email-alert-send-multiple-warn-how-to-send-only-1-warn/54374)

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**Author:** [@puteramelaka](https://discourse.nodered.org/u/puteramelaka)\
**Replies:** 8\
**Last updated:** [27 November 2021 20:37 UTC](https://discourse.nodered.org/t/warning-email-alert-send-multiple-warn-how-to-send-only-1-warn/54374 "2021-11-27T20:37:46Z")

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Hello dear community, i have developed a warning system for a accelerometer built in phone which data recieved via MQTT. The problem is the email warning triggered for multiple times.How do i send only 1 warning that i…

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## [If 1 = true -\> check if 2 = True -\> if both true = True , Else = False](https://discourse.nodered.org/t/if-1-true-check-if-2-true-if-both-true-true-else-false/54359)

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**Author:** [@LostiLama](https://discourse.nodered.org/u/LostiLama)\
**Replies:** 4\
**Last updated:** [27 November 2021 20:20 UTC](https://discourse.nodered.org/t/if-1-true-check-if-2-true-if-both-true-true-else-false/54359 "2021-11-27T20:20:30Z")

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Hello i m want a simple if else sircet but instad of switches with buttons so i select number 2 so Button 2 is true than thats saved for 5 second and when in this time a aktivations switch is pressed its true. but im no…

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## [Getting error when copying/pasting nodes](https://discourse.nodered.org/t/getting-error-when-copying-pasting-nodes/54380)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 2\
**Last updated:** [27 November 2021 19:21 UTC](https://discourse.nodered.org/t/getting-error-when-copying-pasting-nodes/54380 "2021-11-27T19:21:12Z")

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I am on version 2.1.3 of NR. This is a brand new installation. When I try and copy/paste a node I get the error when pasting it ERROR: TypeError: Cannot set properties of undefined (setting 'label')

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## [How to store & update NMEA-AIS data?](https://discourse.nodered.org/t/how-to-store-update-nmea-ais-data/54350)

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**Author:** [@Nice\_to\_have](https://discourse.nodered.org/u/Nice_to_have)\
**Replies:** 7\
**Last updated:** [27 November 2021 17:30 UTC](https://discourse.nodered.org/t/how-to-store-update-nmea-ais-data/54350 "2021-11-27T17:30:53Z")

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Hi Guys, I've been on this problem for a while and I can't think of a way to make this work. I am no programmer, I have learned what I know on this forum (Thank you all for that). I am recieving NMEA AIS data. I calcu…

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## [Something curious happen with an Exported/Imported flow](https://discourse.nodered.org/t/something-curious-happen-with-an-exported-imported-flow/54375)

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**Author:** [@xytsrm](https://discourse.nodered.org/u/xytsrm)\
**Replies:** 9\
**Last updated:** [27 November 2021 16:53 UTC](https://discourse.nodered.org/t/something-curious-happen-with-an-exported-imported-flow/54375 "2021-11-27T16:53:50Z")

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CONTEXT: Running some test flows between two PC's. PC1: MQTT Broker with several clients; Client 1 sends messages to Client 2. Clients 1 & 2 very simple five node groups Exported Client 1 as JSON file and Imported it t…

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## [Clean-up if no deployment is done?](https://discourse.nodered.org/t/clean-up-if-no-deployment-is-done/54281)

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**Author:** [@Dunken](https://discourse.nodered.org/u/Dunken)\
**Replies:** 9\
**Last updated:** [27 November 2021 16:31 UTC](https://discourse.nodered.org/t/clean-up-if-no-deployment-is-done/54281 "2021-11-27T16:31:50Z")

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What's best practice how to behave with backend-resources (e.g. clean-up?) if I created some as part of my config-nodes but no deployment was executed at the end? Any hook I could take advantage of?

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## [Show wear level of SDcard + SSD (RPi)](https://discourse.nodered.org/t/show-wear-level-of-sdcard-ssd-rpi/54370)

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**Author:** [@PizzaProgram](https://discourse.nodered.org/u/PizzaProgram)\
**Replies:** 16\
**Last updated:** [27 November 2021 16:31 UTC](https://discourse.nodered.org/t/show-wear-level-of-sdcard-ssd-rpi/54370 "2021-11-27T16:31:16Z")

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How do I get the value of the wear level of my: SSD and SDCard ? on Raspberry Pi? (I've seen someone a year ago on a dashboard to showing this value, but can not find where it was.) Would be important to auto-send a…

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## [Day 1 of using Docker/Node Red - How to Uninstall a Node](https://discourse.nodered.org/t/day-1-of-using-docker-node-red-how-to-uninstall-a-node/54373)

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**Author:** [@Busta999](https://discourse.nodered.org/u/Busta999)\
**Replies:** 8\
**Last updated:** [27 November 2021 15:41 UTC](https://discourse.nodered.org/t/day-1-of-using-docker-node-red-how-to-uninstall-a-node/54373 "2021-11-27T15:41:57Z")

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Please excuse if this is a stupid question... I have Node Red running and added three Nodes. One for Hubitat another for Hue and the are working great - the third is for Plex - running into a lot of issues and just wan…

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## [Unable to find Sense hat library](https://discourse.nodered.org/t/unable-to-find-sense-hat-library/54275)

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**Author:** [@Loonhaunt](https://discourse.nodered.org/u/Loonhaunt)\
**Replies:** 17\
**Last updated:** [27 November 2021 14:30 UTC](https://discourse.nodered.org/t/unable-to-find-sense-hat-library/54275 "2021-11-27T14:30:57Z")

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2021-11-25T14:03:00Z (UTC) I was preparing to work with Rpi Sense Hat. I haven't actually gotten so far as to utilize the Sense Hat Library in Node-RED so...Maybe it works? However while updating Node-Red I was provi…

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## [Mqtt connecting](https://discourse.nodered.org/t/mqtt-connecting/54369)

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**Author:** [@LostiLama](https://discourse.nodered.org/u/LostiLama)\
**Replies:** 5\
**Last updated:** [27 November 2021 14:33 UTC](https://discourse.nodered.org/t/mqtt-connecting/54369 "2021-11-27T14:33:53Z")

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Hello i have a problem with Mosquitto or Mqtt it isnt conecting what can i do

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## [Integration with Homewhiz Appliances?](https://discourse.nodered.org/t/integration-with-homewhiz-appliances/54364)

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**Author:** [@linker3000](https://discourse.nodered.org/u/linker3000)\
**Replies:** 0\
**Last updated:** [27 November 2021 09:23 UTC](https://discourse.nodered.org/t/integration-with-homewhiz-appliances/54364 "2021-11-27T09:23:53Z")

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I have just bought a washer-dryer that supports the Homewhiz (https://www.homewhiz.com/) remote communications protocol...see where I am going!? My machine's interface is Bluetooth although I believe wifi is also used …

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## [typedInput code / function editor](https://discourse.nodered.org/t/typedinput-code-function-editor/53410)

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**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\
**Replies:** 12\
**Last updated:** [27 November 2021 09:18 UTC](https://discourse.nodered.org/t/typedinput-code-function-editor/53410 "2021-11-27T09:18:32Z")

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Hi, We all love the typed input widget. I'm looking for a way to use the typedInput to enter callback functions. I have for example a parameter which can be either a boolean or a function resulting a boolean. It would b…

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## [ESP32 CAM and facial recognition in node red](https://discourse.nodered.org/t/esp32-cam-and-facial-recognition-in-node-red/54338)

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**Author:** [@rt54321](https://discourse.nodered.org/u/rt54321)\
**Replies:** 2\
**Last updated:** [27 November 2021 09:02 UTC](https://discourse.nodered.org/t/esp32-cam-and-facial-recognition-in-node-red/54338 "2021-11-27T09:02:16Z")

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Greetings All! I know that there are many resources about facial recognition using the RPi camera. I'm using the ESP camera, and I'm trying to do an image capture for comparison. Steps: Get the ESP32 CAM node up an…

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## [NodeRED Metric Logs Memory Unit](https://discourse.nodered.org/t/nodered-metric-logs-memory-unit/54360)

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**Author:** [@akashtalole](https://discourse.nodered.org/u/akashtalole)\
**Replies:** 2\
**Last updated:** [27 November 2021 08:51 UTC](https://discourse.nodered.org/t/nodered-metric-logs-memory-unit/54360 "2021-11-27T08:51:14Z")

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Hi, What is the unit of memory in metric. Is it in MB or Bytes? 25 Nov 20:59:47 - \[metric\] {"level":99,"event":"runtime.memory.rss","value":88543232,"timestamp":1637873987643} 25 Nov 20:59:47 - \[metric\] {"level":99,"ev…

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## [IDEA - extend \`function\` nodes in \`On Message\` tab with a Test tab similar as we have for JSONata](https://discourse.nodered.org/t/idea-extend-function-nodes-in-on-message-tab-with-a-test-tab-similar-as-we-have-for-jsonata/54310)

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**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 3\
**Last updated:** [27 November 2021 08:44 UTC](https://discourse.nodered.org/t/idea-extend-function-nodes-in-on-message-tab-with-a-test-tab-similar-as-we-have-for-jsonata/54310 "2021-11-27T08:44:30Z")

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The nice thing about JSONata is that we can test our expression via the Test tab (see screenshot below). It would be cool to have the same feature for the node-red function nodes. The idea is then that you can feed …

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## [Telegram All ID users](https://discourse.nodered.org/t/telegram-all-id-users/54362)

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**Author:** [@gleba](https://discourse.nodered.org/u/gleba)\
**Replies:** 0\
**Last updated:** [27 November 2021 06:56 UTC](https://discourse.nodered.org/t/telegram-all-id-users/54362 "2021-11-27T06:56:07Z")

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Looking at the Telegram apiS I do not find anything that I can return to an array containing the IDs of the users of a group. Reading on the net, however, I see that the pyton APIs allow you to do it. I would like to kno…

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## [Push local project into remote github repository (Username and password issue)](https://discourse.nodered.org/t/push-local-project-into-remote-github-repository-username-and-password-issue/54346)

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**Author:** [@findoctorlin](https://discourse.nodered.org/u/findoctorlin)\
**Replies:** 4\
**Last updated:** [27 November 2021 03:15 UTC](https://discourse.nodered.org/t/push-local-project-into-remote-github-repository-username-and-password-issue/54346 "2021-11-27T03:15:56Z")

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Hi guys! I have been trying to push my local project into my github remote repository. My workflow is like: "change the parameter in settings.js from 'false' to 'true' " -\> create a new local project -\> click "+ all" b…

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## [How to convert the IR sensor values into appropriate payload values (which were to be sent via mqtt)](https://discourse.nodered.org/t/how-to-convert-the-ir-sensor-values-into-appropriate-payload-values-which-were-to-be-sent-via-mqtt/54305)

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**Author:** [@KevinGallardo619](https://discourse.nodered.org/u/KevinGallardo619)\
**Replies:** 27\
**Last updated:** [27 November 2021 02:24 UTC](https://discourse.nodered.org/t/how-to-convert-the-ir-sensor-values-into-appropriate-payload-values-which-were-to-be-sent-via-mqtt/54305 "2021-11-27T02:24:23Z")

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hello this is my first post, I hope you can understand me and help me. I want to control the leds of a partner through mqtt, this previously I had already achieved but this time I want to do it through an infrared senso…

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## [Stuck with message properties. \`q-gate\` node](https://discourse.nodered.org/t/stuck-with-message-properties-q-gate-node/54203)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 17\
**Last updated:** [26 November 2021 20:49 UTC](https://discourse.nodered.org/t/stuck-with-message-properties-q-gate-node/54203 "2021-11-26T20:49:22Z")

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This bit of code is working. \[{"id":"3c80536c.fdeb74","type":"q-gate","z":"f9420cde.5b8bb8","name":"","controlTopic":"CONTROL","defaultState":"queueing","openCmd":"Go","closeCmd":"Stop","toggleCmd":"toggle","queueCmd":"…

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## [How to add sectors in a gauge?](https://discourse.nodered.org/t/how-to-add-sectors-in-a-gauge/53791)

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**Author:** [@patfrench](https://discourse.nodered.org/u/patfrench)\
**Replies:** 8\
**Last updated:** [26 November 2021 19:13 UTC](https://discourse.nodered.org/t/how-to-add-sectors-in-a-gauge/53791 "2021-11-26T19:13:45Z")

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Hi, I'm starting with node-red, I'm trying to learn quickly by myself but I need help here :slight\_smile: I need a 3rd sector: green : 0 - 50 yellow : 50 - 70 orange : 70 - 80 red : 80 - 100 can you help me? Than…

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## [Help with generating a jpg from raw mqtt data and sending via telegam](https://discourse.nodered.org/t/help-with-generating-a-jpg-from-raw-mqtt-data-and-sending-via-telegam/54333)

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**Author:** [@Yonny24](https://discourse.nodered.org/u/Yonny24)\
**Replies:** 6\
**Last updated:** [26 November 2021 18:58 UTC](https://discourse.nodered.org/t/help-with-generating-a-jpg-from-raw-mqtt-data-and-sending-via-telegam/54333 "2021-11-26T18:58:17Z")

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I really hope someone can help me here as I'm stuck..(before I pull more hair out). Got mqtt snapshot data coming in and I can preview the image with the view node. But how do I render those raw data bytes to send as a…

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## [Declaring for datatime value](https://discourse.nodered.org/t/declaring-for-datatime-value/54207)

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**Author:** [@TROJAN053](https://discourse.nodered.org/u/TROJAN053)\
**Replies:** 2\
**Last updated:** [26 November 2021 16:47 UTC](https://discourse.nodered.org/t/declaring-for-datatime-value/54207 "2021-11-26T16:47:39Z")

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\[{"id":"af47db90.c714c8","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"252febcc.2b8d54","type":"mqtt in","z":"af47db90.c714c8","name":"","topic":"VEHICLE/LINE3/STN\_DATA","qos":"2","datatype":"json","br…

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## [Using cloudantStorage.js in 'storageModule' config option](https://discourse.nodered.org/t/using-cloudantstorage-js-in-storagemodule-config-option/54172)

<div class="topic-metadata">

**Author:** [@hammoaj](https://discourse.nodered.org/u/hammoaj)\
**Replies:** 2\
**Last updated:** [26 November 2021 15:53 UTC](https://discourse.nodered.org/t/using-cloudantstorage-js-in-storagemodule-config-option/54172 "2021-11-26T15:53:16Z")

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I'm looking to port the existing cloudStorage.js option to the latest version of NR and wanted to know whether it is likely to work as-is within the 'storageModule' config option: storageModule: require("cloudantStorage…

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## [How to work with Git](https://discourse.nodered.org/t/how-to-work-with-git/54306)

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**Author:** [@loukaspe](https://discourse.nodered.org/u/loukaspe)\
**Replies:** 0\
**Last updated:** [26 November 2021 07:43 UTC](https://discourse.nodered.org/t/how-to-work-with-git/54306 "2021-11-26T07:43:01Z")

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Hello, I do not have a problem, I want your experience from using git with NR. We are having the following difficulties: When conflicts emerge, is there a way of resolving them through the UI ? Our NRs are built on d…

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## [How to stop nodes processing too quickly?](https://discourse.nodered.org/t/how-to-stop-nodes-processing-too-quickly/54321)

<div class="topic-metadata">

**Author:** [@LoONeY](https://discourse.nodered.org/u/LoONeY)\
**Replies:** 1\
**Last updated:** [26 November 2021 13:44 UTC](https://discourse.nodered.org/t/how-to-stop-nodes-processing-too-quickly/54321 "2021-11-26T13:44:07Z")

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I am currently working on creating a Dashboard in MS Excel, using Node-RED to get the data from the source system. In order not to have to import all the gathered data all the time, I created a flow that checks for a fil…

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## [Deduplicate payload based on url](https://discourse.nodered.org/t/deduplicate-payload-based-on-url/54296)

<div class="topic-metadata">

**Author:** [@steffok](https://discourse.nodered.org/u/steffok)\
**Replies:** 3\
**Last updated:** [26 November 2021 12:45 UTC](https://discourse.nodered.org/t/deduplicate-payload-based-on-url/54296 "2021-11-26T12:45:53Z")

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I would like deduplicate a payload but my payload has content (which changes) and an url (which stays the same). I would like to deduplicate based on URL This is the function I'm using for the payload. Is there any chan…

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