# Latest

**URL:** https://discourse.nodered.org/latest.md?page=701

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

**Page:** 702

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## [Electrolux wellbeing?](https://discourse.nodered.org/t/electrolux-wellbeing/53219)

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**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 0\
**Last updated:** [4 November 2021 15:04 UTC](https://discourse.nodered.org/t/electrolux-wellbeing/53219 "2021-11-04T15:04:29Z")

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Was wondering if anybody have made something on the Electrolux wellbeeing app? I got a Pure A9 PA91-604GY Air cleaner and it would have been nice to access those data. Have been searching but only thing i found was somet…

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## [Can't get the state of a sensor in a TTS message with a function note](https://discourse.nodered.org/t/cant-get-the-state-of-a-sensor-in-a-tts-message-with-a-function-note/53216)

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**Author:** [@dmertens](https://discourse.nodered.org/u/dmertens)\
**Replies:** 2\
**Last updated:** [4 November 2021 14:38 UTC](https://discourse.nodered.org/t/cant-get-the-state-of-a-sensor-in-a-tts-message-with-a-function-note/53216 "2021-11-04T14:38:20Z")

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Hi, Sorry I'm not a developer so probably something stupid, but can't get this to work :frowning: If I create TTS requests with a service call node, (HA) then I get the value of the state with this option {{payload}}, …

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## [Displaying specific text from the array { TEMP, HUMI and EXTPWR}](https://discourse.nodered.org/t/displaying-specific-text-from-the-array-temp-humi-and-extpwr/53198)

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**Author:** [@AYo](https://discourse.nodered.org/u/AYo)\
**Replies:** 17\
**Last updated:** [4 November 2021 13:10 UTC](https://discourse.nodered.org/t/displaying-specific-text-from-the-array-temp-humi-and-extpwr/53198 "2021-11-04T13:10:28Z")

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hi am new to node red and not conversant with Js. please i just need to display the following value on the debug node and dashboard. TEMP HUMI EXTPWR the below is the msg.payload i receive \</\> \[{"flag":"DI0","switc…

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## [Editor Hide Tab Icon](https://discourse.nodered.org/t/editor-hide-tab-icon/53207)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 0\
**Last updated:** [4 November 2021 11:28 UTC](https://discourse.nodered.org/t/editor-hide-tab-icon/53207 "2021-11-04T11:28:10Z")

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Please can the X icon to hide tabs be changed to a crossed out eye - Same as is used in the sidebar for hidden tabs? It is driving me mad thinking I have deleted the tab! Hiding tabs We often hear from users who hav…

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## [Material design icons - their web page](https://discourse.nodered.org/t/material-design-icons-their-web-page/53202)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [4 November 2021 11:24 UTC](https://discourse.nodered.org/t/material-design-icons-their-web-page/53202 "2021-11-04T11:24:36Z")

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It has been a while since I have done much work needing/using icons. Today I am wanting to look for an icon but can't for the life of me find the site with the material design icons which I remember. I get that they ev…

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## [Node-red-contrib-ui-svg remove and add elements](https://discourse.nodered.org/t/node-red-contrib-ui-svg-remove-and-add-elements/53125)

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**Author:** [@samuelbras](https://discourse.nodered.org/u/samuelbras)\
**Replies:** 8\
**Last updated:** [4 November 2021 11:07 UTC](https://discourse.nodered.org/t/node-red-contrib-ui-svg-remove-and-add-elements/53125 "2021-11-04T11:07:08Z")

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Hi I have a problema whith elements in the SVG. I add elements by input text { "command": "add\_element", "elementType": "text", "elementId": "text140", "parentElementId": "group140", …

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## [Temperature with MAX31855](https://discourse.nodered.org/t/temperature-with-max31855/52498)

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**Author:** [@Blu3](https://discourse.nodered.org/u/Blu3)\
**Replies:** 14\
**Last updated:** [4 November 2021 10:39 UTC](https://discourse.nodered.org/t/temperature-with-max31855/52498 "2021-11-04T10:39:50Z")

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Hi Everyone, I currently have a problem that seems to have been addressed here more often in the forum. I would like to read the temperature of a type-K thermocouple using a MAX31855 and a Raspberry. Unfortunately the…

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## [Newbie node function javascript](https://discourse.nodered.org/t/newbie-node-function-javascript/53171)

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**Author:** [@andregilles](https://discourse.nodered.org/u/andregilles)\
**Replies:** 13\
**Last updated:** [4 November 2021 10:19 UTC](https://discourse.nodered.org/t/newbie-node-function-javascript/53171 "2021-11-04T10:19:49Z")

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Hi all, I am newbie with node-red and I have a question ... after a slider node I put a Gauge node .. how to get the max value of my flow to show it on my gauge ??? it means, if the value of the flow decrease, my gauge …

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## [How to set the \`initial values\` in a function node?](https://discourse.nodered.org/t/how-to-set-the-initial-values-in-a-function-node/53201)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [4 November 2021 09:13 UTC](https://discourse.nodered.org/t/how-to-set-the-initial-values-in-a-function-node/53201 "2021-11-04T09:13:21Z")

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Sorry folks, but I can't understand it. I did a quick search but am not wording it the right way. This is an example of what I am wanting to do. \[{"id":"5869e9f6.3f1a3","type":"function","z":"675e227d.d158b4","name":"…

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## [Self Signed Cert in FTP node](https://discourse.nodered.org/t/self-signed-cert-in-ftp-node/53196)

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**Author:** [@RettSan25](https://discourse.nodered.org/u/RettSan25)\
**Replies:** 0\
**Last updated:** [4 November 2021 08:15 UTC](https://discourse.nodered.org/t/self-signed-cert-in-ftp-node/53196 "2021-11-04T08:15:09Z")

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Dear NodeRED users and thanks to all developers, I would like to use the FTP node from the package node-red-contrib-advanced-ftp but I got the feedback error because of an self signed certificate Do anyone knows what I…

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## [Set up raspberry pi](https://discourse.nodered.org/t/set-up-raspberry-pi/53188)

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**Author:** [@davenrea](https://discourse.nodered.org/u/davenrea)\
**Replies:** 3\
**Last updated:** [3 November 2021 21:42 UTC](https://discourse.nodered.org/t/set-up-raspberry-pi/53188 "2021-11-03T21:42:32Z")

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Hi All I backup my flows on 4 Pi's via email everynight, I would like to be able to have a single image on an SD card with an initial address ie 192,168.1.1 and port 1880. When I go to that address i want to be able to …

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## [UI Chart Node - Data Retrieval](https://discourse.nodered.org/t/ui-chart-node-data-retrieval/53006)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 34\
**Last updated:** [3 November 2021 21:06 UTC](https://discourse.nodered.org/t/ui-chart-node-data-retrieval/53006 "2021-11-03T21:06:51Z")

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Hi All, I am hoping there is a method to retrieve data from the chart node.... When the cursor hovers over a valid data point, a "pop-up" exposes the information relevant to that point of the chart, ie: This would b…

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## [Running node-red and using putty](https://discourse.nodered.org/t/running-node-red-and-using-putty/53181)

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**Author:** [@traderjoe](https://discourse.nodered.org/u/traderjoe)\
**Replies:** 5\
**Last updated:** [3 November 2021 21:02 UTC](https://discourse.nodered.org/t/running-node-red-and-using-putty/53181 "2021-11-03T21:02:54Z")

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Simple problem here: I'm running node-red on a raspberry pi. I putty in and I start up my node-red. How do I use the SSH to do something else now? After staring up node-red, it doesn't go back to the prompt. I can't…

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## [Use message value to build JSONata expression](https://discourse.nodered.org/t/use-message-value-to-build-jsonata-expression/53177)

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**Author:** [@B14702](https://discourse.nodered.org/u/B14702)\
**Replies:** 10\
**Last updated:** [3 November 2021 18:34 UTC](https://discourse.nodered.org/t/use-message-value-to-build-jsonata-expression/53177 "2021-11-03T18:34:28Z")

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Hi All, Long time fan first time poster, love the project fantastic piece of kit. I've run into a problem that I can't get past despite dredging through the forums. I'm trying to put data from multiple sql tables into…

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## [How two instances can communiate to each other in docker](https://discourse.nodered.org/t/how-two-instances-can-communiate-to-each-other-in-docker/52781)

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**Author:** [@oualid](https://discourse.nodered.org/u/oualid)\
**Replies:** 4\
**Last updated:** [3 November 2021 18:30 UTC](https://discourse.nodered.org/t/how-two-instances-can-communiate-to-each-other-in-docker/52781 "2021-11-03T18:30:07Z")

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hi, I already create two instances under Docker -p 1881:1880 and -p 1884:1880. Now, i want that each one can send and receive a msgs to other instance. Could you please help me to do that ? In my machine, i use OPC-UA …

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## [Controlling relay module HHC-N8I8OP](https://discourse.nodered.org/t/controlling-relay-module-hhc-n8i8op/52696)

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**Author:** [@Lenaschitz](https://discourse.nodered.org/u/Lenaschitz)\
**Replies:** 7\
**Last updated:** [3 November 2021 18:23 UTC](https://discourse.nodered.org/t/controlling-relay-module-hhc-n8i8op/52696 "2021-11-03T18:23:58Z")

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Hi guys, I´m using Node Red for controlling roller shutter and lights, wanted to extend it to control underfloor heating as well. Bought module HHC-N8I8OP, but have no idea how to communicate. I can switch all relays vi…

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## [Rate limiting based on exec node completion](https://discourse.nodered.org/t/rate-limiting-based-on-exec-node-completion/53115)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 43\
**Last updated:** [3 November 2021 17:13 UTC](https://discourse.nodered.org/t/rate-limiting-based-on-exec-node-completion/53115 "2021-11-03T17:13:24Z")

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In my NR -\> Alexa project, I want to add rate limiting type behaviour so that messages are queued and only processed if the previous one has actually been spoken out. i.e only want messages passed into pico2wave if la…

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## [FFT - Has anyone ever used it?](https://discourse.nodered.org/t/fft-has-anyone-ever-used-it/51476)

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**Author:** [@chris\_ireland](https://discourse.nodered.org/u/chris_ireland)\
**Replies:** 13\
**Last updated:** [3 November 2021 17:00 UTC](https://discourse.nodered.org/t/fft-has-anyone-ever-used-it/51476 "2021-11-03T17:00:44Z")

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Hi, I am hoping to use the FFT node - node-red-contrib-fft It requires data in a certain format as follows: { "data" : \[ {"accelerometer\_x" : 9 , "accelerometer\_y":2, "accelerometer\_z":2}, {"accelerometer\_x" : 7 , "…

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## [MiR robot integration with Node Red](https://discourse.nodered.org/t/mir-robot-integration-with-node-red/53175)

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**Author:** [@Alberto\_Yushin](https://discourse.nodered.org/u/Alberto_Yushin)\
**Replies:** 0\
**Last updated:** [3 November 2021 14:20 UTC](https://discourse.nodered.org/t/mir-robot-integration-with-node-red/53175 "2021-11-03T14:20:30Z")

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Hi all, I'm new to the forum and to Node Red, I'm trying to develop a manufacturing process using Node Red, so far I managed to communicate to an UR robot and an Allen Bradley plc but I need to communicate to a MiR robo…

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## [Node-red-node-discovery on Raspberry pi](https://discourse.nodered.org/t/node-red-node-discovery-on-raspberry-pi/53017)

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**Author:** [@chrisofCCL](https://discourse.nodered.org/u/chrisofCCL)\
**Replies:** 7\
**Last updated:** [3 November 2021 16:19 UTC](https://discourse.nodered.org/t/node-red-node-discovery-on-raspberry-pi/53017 "2021-11-03T16:19:35Z")

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I'm using this node on 2x Ubuntu machines and have spent the afternoon trying to get it installed on my Pi. All the pre-requisites are installed but I get the the following long list of errors. Any ideas anyone? 2021-…

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## [Can we add our own private nodes in addition to the search section provided by node-red in the pallet loading section?](https://discourse.nodered.org/t/can-we-add-our-own-private-nodes-in-addition-to-the-search-section-provided-by-node-red-in-the-pallet-loading-section/53156)

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**Author:** [@sercancetin](https://discourse.nodered.org/u/sercancetin)\
**Replies:** 4\
**Last updated:** [3 November 2021 15:28 UTC](https://discourse.nodered.org/t/can-we-add-our-own-private-nodes-in-addition-to-the-search-section-provided-by-node-red-in-the-pallet-loading-section/53156 "2021-11-03T15:28:13Z")

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Hello to everyone, I just wanted to ask if it could be. Can we add our own private nodes in addition to the search section provided by node-red in the pallet loading section? Not everyone should see the nodes here, only…

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## [Wait until node](https://discourse.nodered.org/t/wait-until-node/53172)

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**Author:** [@terminus](https://discourse.nodered.org/u/terminus)\
**Replies:** 4\
**Last updated:** [3 November 2021 14:14 UTC](https://discourse.nodered.org/t/wait-until-node/53172 "2021-11-03T14:14:34Z")

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I have a question on the "wait until" node: Idea is that a message goes in the wait until node and activates it. Now the node should wait until a binary sensor turns its state to true (on) and then it should pass the me…

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## [Running Python in node-red](https://discourse.nodered.org/t/running-python-in-node-red/53078)

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**Author:** [@sd\_dracula](https://discourse.nodered.org/u/sd_dracula)\
**Replies:** 18\
**Last updated:** [3 November 2021 13:56 UTC](https://discourse.nodered.org/t/running-python-in-node-red/53078 "2021-11-03T13:56:33Z")

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I have a script as follows: #!/usr/bin/python3 # Script gathering product data from Sofar Solar Inverter (K-TLX) via WiFi logger module LSW-3 # by Michalux import sys import socket import binascii import libscrc import…

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## [Add a way to create a completely new object (change node enhancement?)](https://discourse.nodered.org/t/add-a-way-to-create-a-completely-new-object-change-node-enhancement/53167)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 16\
**Last updated:** [3 November 2021 13:17 UTC](https://discourse.nodered.org/t/add-a-way-to-create-a-completely-new-object-change-node-enhancement/53167 "2021-11-03T13:17:51Z")

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Continuing the discussion from Rate limiting based on exec node completion: Current the only simple way to create a new msg clean object is to use a function node. Lots of users try to avoid using function nodes and wan…

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## [Calculating Time / Washing Machine Notification](https://discourse.nodered.org/t/calculating-time-washing-machine-notification/53166)

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**Author:** [@terminus](https://discourse.nodered.org/u/terminus)\
**Replies:** 9\
**Last updated:** [3 November 2021 12:16 UTC](https://discourse.nodered.org/t/calculating-time-washing-machine-notification/53166 "2021-11-03T12:16:29Z")

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Hey Guys! Im trying to get a notification 10 minutes before my washing machine is finishing. There was a remaining time sensor in the past (siemens home connect) but it isn't there anymore. The only sensor left, is a se…

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## [Storage API support for Projects](https://discourse.nodered.org/t/storage-api-support-for-projects/53152)

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**Author:** [@AbdulRahman](https://discourse.nodered.org/u/AbdulRahman)\
**Replies:** 2\
**Last updated:** [3 November 2021 11:46 UTC](https://discourse.nodered.org/t/storage-api-support-for-projects/53152 "2021-11-03T11:46:49Z")

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Summary: Storing projects in AWS s3. Issue: Whenever external storageModule is used, Projects API is returning 404. settings.js projects: { enabled: true, workflow: { mode: "manual" }, }, storag…

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## [HTTP Request Node: replace header in backend](https://discourse.nodered.org/t/http-request-node-replace-header-in-backend/53159)

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**Author:** [@Dunken](https://discourse.nodered.org/u/Dunken)\
**Replies:** 5\
**Last updated:** [3 November 2021 11:44 UTC](https://discourse.nodered.org/t/http-request-node-replace-header-in-backend/53159 "2021-11-03T11:44:23Z")

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I would like to create a Custom Node which creates a Machine User in the backend. However, in order not to expose the clientSecret I would like to return a password-hash and the clientId. This password-hash I would like …

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## [Node-red electron JS error](https://discourse.nodered.org/t/node-red-electron-js-error/53163)

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**Author:** [@iungo](https://discourse.nodered.org/u/iungo)\
**Replies:** 0\
**Last updated:** [3 November 2021 10:13 UTC](https://discourse.nodered.org/t/node-red-electron-js-error/53163 "2021-11-03T10:13:12Z")

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I tried to build node-red package using instructions on this page - GitHub - natcl/electron-node-red: Electron Node-RED template When I'm trying to start Node-RED.exe file i got this error. Maybe somebody know what …

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## [Upgrade of Node.js V16 breaks nodes that use i2c - comm library related?](https://discourse.nodered.org/t/upgrade-of-node-js-v16-breaks-nodes-that-use-i2c-comm-library-related/53148)

<div class="topic-metadata">

**Author:** [@SonoraTechnical](https://discourse.nodered.org/u/SonoraTechnical)\
**Replies:** 7\
**Last updated:** [3 November 2021 08:57 UTC](https://discourse.nodered.org/t/upgrade-of-node-js-v16-breaks-nodes-that-use-i2c-comm-library-related/53148 "2021-11-03T08:57:28Z")

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I have an application in my homse where I employ two identical RaspberryPi4Bs that run the same exact Flows. 1 of them is in production (rpi4b-prod), 1 of them is the guinea pig (rpi4b-dev) for trying out upgrades to fi…

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## [Retrieve the value of a flow variable from another node into the JS file?](https://discourse.nodered.org/t/retrieve-the-value-of-a-flow-variable-from-another-node-into-the-js-file/53132)

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**Author:** [@StefCReSTIC](https://discourse.nodered.org/u/StefCReSTIC)\
**Replies:** 2\
**Last updated:** [3 November 2021 08:31 UTC](https://discourse.nodered.org/t/retrieve-the-value-of-a-flow-variable-from-another-node-into-the-js-file/53132 "2021-11-03T08:31:45Z")

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Hi everyone ! I'm currently creating a custom node and I have a problem. Is it possible to retrieve the value of a flow variable from a change node into the js file of my custom node ? I tried to use flow.get("value")…

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