# Latest

**URL:** https://discourse.nodered.org/latest.md?page=335

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

**Page:** 336

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## [UI control node\_ Group doesnt hide anymore](https://discourse.nodered.org/t/ui-control-node-group-doesnt-hide-anymore/79098)

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**Author:** [@colin0031](https://discourse.nodered.org/u/colin0031)\
**Replies:** 3\
**Last updated:** [10 June 2023 22:30 UTC](https://discourse.nodered.org/t/ui-control-node-group-doesnt-hide-anymore/79098 "2023-06-10T22:30:22Z")

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Hello, I am using UI control node to hide and unhide groups in same tab. And it was working well all the time. Suddenly I have started facing an issue that the one group doesnt hide anymore. Do sommone else experience …

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## [How can start a node at the start of NodeRed?](https://discourse.nodered.org/t/how-can-start-a-node-at-the-start-of-nodered/79059)

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**Author:** [@Yury](https://discourse.nodered.org/u/Yury)\
**Replies:** 19\
**Last updated:** [10 June 2023 22:07 UTC](https://discourse.nodered.org/t/how-can-start-a-node-at-the-start-of-nodered/79059 "2023-06-10T22:07:07Z")

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Hello It is necessary that when Code RED starts, personal functions are loaded, i.e. that the code in the Function node is executed: const utilityFunctions = { myFunction: function(x, y) { return x + y …

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## [Print using CUPS](https://discourse.nodered.org/t/print-using-cups/78943)

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**Author:** [@Jhontan14](https://discourse.nodered.org/u/Jhontan14)\
**Replies:** 11\
**Last updated:** [10 June 2023 21:06 UTC](https://discourse.nodered.org/t/print-using-cups/78943 "2023-06-10T21:06:20Z")

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Hello, I have a ZD30 printer installed in IoT 2050 gateway using CUPS, I want to know if there is any way to send to print from node-RED?

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## [Period Picker (2 dates from calendar) in ui\_template node](https://discourse.nodered.org/t/period-picker-2-dates-from-calendar-in-ui-template-node/79095)

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**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 1\
**Last updated:** [10 June 2023 16:46 UTC](https://discourse.nodered.org/t/period-picker-2-dates-from-calendar-in-ui-template-node/79095 "2023-06-10T16:46:25Z")

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I have successfully copied and modified a template node (i dont remember now where), a template node which helps me pick a month and year combination like below, (this is from my dashbaord) however, i need for another…

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## [Grow Frame AKA Remotely Controlled Station](https://discourse.nodered.org/t/grow-frame-aka-remotely-controlled-station/78870)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 8\
**Last updated:** [9 June 2023 16:06 UTC](https://discourse.nodered.org/t/grow-frame-aka-remotely-controlled-station/78870 "2023-06-09T16:06:45Z")

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David @dynamicdave and Paul @zenofmud are pleased to announce the release of their Grow Frame AKA Remotely Controlled Station based on an ESP32-S2 Mini flashed with MicroPython. This practical project started out as a …

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## [RE: Virtual keyboard handling decimals](https://discourse.nodered.org/t/re-virtual-keyboard-handling-decimals/79060)

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**Author:** [@hugobox](https://discourse.nodered.org/u/hugobox)\
**Replies:** 0\
**Last updated:** [8 June 2023 16:34 UTC](https://discourse.nodered.org/t/re-virtual-keyboard-handling-decimals/79060 "2023-06-08T16:34:29Z")

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Hi @Yannick1 ! Here's a modified virtual keyboard flow that should work for decimals, let me know if that works for you and I'll update the flow at https://flows.nodered.org/flow/7fb5bc5ae66e6bc1b1c1b8e800bdef51: …

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## [Uibuilder with a href](https://discourse.nodered.org/t/uibuilder-with-a-href/79079)

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**Author:** [@allacmc](https://discourse.nodered.org/u/allacmc)\
**Replies:** 5\
**Last updated:** [9 June 2023 15:27 UTC](https://discourse.nodered.org/t/uibuilder-with-a-href/79079 "2023-06-09T15:27:02Z")

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I need to turn to my friends, beasts. Do you have any idea how? Click on this link (which is a datatable) and it opens the report embedded in the UI\_BUILDER? But with the data loaded? Below are the screens I want to m…

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## [Using configuration node inside another type of configuration node](https://discourse.nodered.org/t/using-configuration-node-inside-another-type-of-configuration-node/79083)

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**Author:** [@andreea-anastasescu](https://discourse.nodered.org/u/andreea-anastasescu)\
**Replies:** 1\
**Last updated:** [9 June 2023 15:13 UTC](https://discourse.nodered.org/t/using-configuration-node-inside-another-type-of-configuration-node/79083 "2023-06-09T15:13:20Z")

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Hello, I am trying to obtain some "multi-level" configuration system and to achieve this I would like to use a configuration node inside another type of configuration node. Is there any chance to obtain this?

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## [Led not working](https://discourse.nodered.org/t/led-not-working/79065)

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**Author:** [@Asif128935](https://discourse.nodered.org/u/Asif128935)\
**Replies:** 21\
**Last updated:** [9 June 2023 09:32 UTC](https://discourse.nodered.org/t/led-not-working/79065 "2023-06-09T09:32:03Z")

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I am using External signal to the plc input to shoe the pump on off status in node red dashboard. But my led not showing in dashboard. What's the problem can somebody tell please..

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## [Average Bar node issues](https://discourse.nodered.org/t/average-bar-node-issues/79074)

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**Author:** [@colin0031](https://discourse.nodered.org/u/colin0031)\
**Replies:** 3\
**Last updated:** [9 June 2023 09:28 UTC](https://discourse.nodered.org/t/average-bar-node-issues/79074 "2023-06-09T09:28:11Z")

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Hello, I have started using average bar node and found many issues, 1)When I choose "last month" in X axis and tried to push 4 values: a) It shows minimum and average the same values without bar as shown in picture …

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## [Access to advanced Z-Wave properties with node-red-contrib-zwave-js](https://discourse.nodered.org/t/access-to-advanced-z-wave-properties-with-node-red-contrib-zwave-js/78906)

<div class="topic-metadata">

**Author:** [@Mamonetti](https://discourse.nodered.org/u/Mamonetti)\
**Replies:** 3\
**Last updated:** [9 June 2023 09:21 UTC](https://discourse.nodered.org/t/access-to-advanced-z-wave-properties-with-node-red-contrib-zwave-js/78906 "2023-06-09T09:21:14Z")

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I'd like to know if there's any way to access to the advanced configuration properties offered by some Z-Wave devices using node-red-contrib-zwave-js. In the ZWave JS panel, when you select a device, you see the typical…

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## [Uibuilder + reverse proxy](https://discourse.nodered.org/t/uibuilder-reverse-proxy/78691)

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**Author:** [@NickXML](https://discourse.nodered.org/u/NickXML)\
**Replies:** 7\
**Last updated:** [9 June 2023 04:19 UTC](https://discourse.nodered.org/t/uibuilder-reverse-proxy/78691 "2023-06-09T04:19:16Z")

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As it turns out, ChatGPT is a decent JavaScript coach. Since my last post, I've been able to create a fully working dynamic web form without relying on the low-code components in uibuilder. Very happy with the results. I…

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## [UI-WebCam node, is there a way to hide the camera select dropdown button?](https://discourse.nodered.org/t/ui-webcam-node-is-there-a-way-to-hide-the-camera-select-dropdown-button/79004)

<div class="topic-metadata">

**Author:** [@AndyDufresne422](https://discourse.nodered.org/u/AndyDufresne422)\
**Replies:** 11\
**Last updated:** [9 June 2023 04:18 UTC](https://discourse.nodered.org/t/ui-webcam-node-is-there-a-way-to-hide-the-camera-select-dropdown-button/79004 "2023-06-09T04:18:50Z")

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Hi there, I'm sure there's a super simple way to do this, I'm just not entirely sure I know it. I'm building a prototype of a webapp the utilizes Node-Red UI-WebCam to capture a barcode from an id. Everything works grea…

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## [How to use switch button to control each other?](https://discourse.nodered.org/t/how-to-use-switch-button-to-control-each-other/79056)

<div class="topic-metadata">

**Author:** [@node0](https://discourse.nodered.org/u/node0)\
**Replies:** 5\
**Last updated:** [9 June 2023 03:03 UTC](https://discourse.nodered.org/t/how-to-use-switch-button-to-control-each-other/79056 "2023-06-09T03:03:13Z")

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I have two switch buttons ("switch01" and "switch02") on screen and would like to toggle switch02 off when switch 01 is on, and vice versa. I tried putting a function node after switch01, to toggle the value of msg.p…

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## [Use npm to update a node](https://discourse.nodered.org/t/use-npm-to-update-a-node/79068)

<div class="topic-metadata">

**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 6\
**Last updated:** [8 June 2023 21:37 UTC](https://discourse.nodered.org/t/use-npm-to-update-a-node/79068 "2023-06-08T21:37:21Z")

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Node-RED is installed on Pi with the standard script : bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) Is it possible to update a node such as Dashboard…

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## [Calling a function on double click on node](https://discourse.nodered.org/t/calling-a-function-on-double-click-on-node/79069)

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**Author:** [@enniob](https://discourse.nodered.org/u/enniob)\
**Replies:** 3\
**Last updated:** [8 June 2023 21:25 UTC](https://discourse.nodered.org/t/calling-a-function-on-double-click-on-node/79069 "2023-06-08T21:25:15Z")

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Is there a way to call a function when double clicking the node. I need to get some data from an API so I can display in the editor so the user can select it. Thanks, Ennio

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## [Output block stops functioning after executing some code? in a custom made block](https://discourse.nodered.org/t/output-block-stops-functioning-after-executing-some-code-in-a-custom-made-block/79055)

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**Author:** [@znetsixe](https://discourse.nodered.org/u/znetsixe)\
**Replies:** 1\
**Last updated:** [8 June 2023 20:50 UTC](https://discourse.nodered.org/t/output-block-stops-functioning-after-executing-some-code-in-a-custom-made-block/79055 "2023-06-08T20:50:19Z")

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Hi All, I have developped some code. Too complicated and large to paste here but somehow when I execute a particular piece of code on that block when node red is running it stops the Revolution Pi output (analog) block …

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## [Calculation of integral of two datasets for photovoltaics power generation](https://discourse.nodered.org/t/calculation-of-integral-of-two-datasets-for-photovoltaics-power-generation/79067)

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**Author:** [@lessi](https://discourse.nodered.org/u/lessi)\
**Replies:** 3\
**Last updated:** [8 June 2023 20:37 UTC](https://discourse.nodered.org/t/calculation-of-integral-of-two-datasets-for-photovoltaics-power-generation/79067 "2023-06-08T20:37:01Z")

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Hello, I have some photovoltaic panels and would like to know how much energy I am producing and actually using. The panels are connected to a shelly from which I get the current generated power (among other data) in …

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## ["RequestError: self-signed certificate"](https://discourse.nodered.org/t/requesterror-self-signed-certificate/79017)

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**Author:** [@CJ10](https://discourse.nodered.org/u/CJ10)\
**Replies:** 6\
**Last updated:** [8 June 2023 19:19 UTC](https://discourse.nodered.org/t/requesterror-self-signed-certificate/79017 "2023-06-08T19:19:45Z")

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I am trying to scrape some information from a webpage but I seem to be failing at the first hurdle. I get an error on teh http request of "RequestError: self-signed certificate" Is there a way I can get around this?

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## [Serial node reading: Arduino IDE string code problem](https://discourse.nodered.org/t/serial-node-reading-arduino-ide-string-code-problem/79029)

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**Author:** [@WBr](https://discourse.nodered.org/u/WBr)\
**Replies:** 10\
**Last updated:** [8 June 2023 18:04 UTC](https://discourse.nodered.org/t/serial-node-reading-arduino-ide-string-code-problem/79029 "2023-06-08T18:04:29Z")

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Dear all. I have a piece of code that is quite stubborn and I can't seem to find the problem. I am using an emergency ESP8266 as my nano showed the white-magic-mist-of-disappointment The code: #include \<Wire.h\> #incl…

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## [🌟 It's here! uibuilder v6.1.0. Coming of age - uibuilder grows up](https://discourse.nodered.org/t/its-here-uibuilder-v6-1-0-coming-of-age-uibuilder-grows-up/76173)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [8 June 2023 17:55 UTC](https://discourse.nodered.org/t/its-here-uibuilder-v6-1-0-coming-of-age-uibuilder-grows-up/76173 "2023-06-08T17:55:49Z")

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In this release, it feels like uibuilder really is growing up. No more apologising for not being a direct Node-RED Dashboard replacement, uibuilder has its own path. You can now create and update visible web page elemen…

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## [UI text input date timer picker issue](https://discourse.nodered.org/t/ui-text-input-date-timer-picker-issue/79028)

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**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 0\
**Last updated:** [7 June 2023 15:15 UTC](https://discourse.nodered.org/t/ui-text-input-date-timer-picker-issue/79028 "2023-06-07T15:15:46Z")

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It looks like the latest Dashboard 3.5 update changed the ui\_text\_input node's date time picker and time picker's output from UTC time to local time, which makes the original implementation based on ui\_date\_time picker n…

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## [Function node code problems](https://discourse.nodered.org/t/function-node-code-problems/79033)

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**Author:** [@btbr](https://discourse.nodered.org/u/btbr)\
**Replies:** 26\
**Last updated:** [8 June 2023 15:11 UTC](https://discourse.nodered.org/t/function-node-code-problems/79033 "2023-06-08T15:11:00Z")

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I am trying to write some code for a function node and I've been trying for a while and can't get close. I have three inputs - 24h time (cron node) topic - lights (1 on and 0 off depending on time of day) MQTT node se…

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## [Remote I/O erro on reading data from I2C bus on Raspberry Pi](https://discourse.nodered.org/t/remote-i-o-erro-on-reading-data-from-i2c-bus-on-raspberry-pi/78817)

<div class="topic-metadata">

**Author:** [@Miliks](https://discourse.nodered.org/u/Miliks)\
**Replies:** 47\
**Last updated:** [8 June 2023 15:05 UTC](https://discourse.nodered.org/t/remote-i-o-erro-on-reading-data-from-i2c-bus-on-raspberry-pi/78817 "2023-06-08T15:05:13Z")

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i've been using the i2c nodes to read data from the SHT21 sensor connected to Raspberry Pi. I can read the data using the Python script on the same board, so i was trying to replicate it on node-red. But with no luck. I …

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## [How to send a csv file to google drive or to a server](https://discourse.nodered.org/t/how-to-send-a-csv-file-to-google-drive-or-to-a-server/79057)

<div class="topic-metadata">

**Author:** [@issambfs1](https://discourse.nodered.org/u/issambfs1)\
**Replies:** 0\
**Last updated:** [8 June 2023 14:42 UTC](https://discourse.nodered.org/t/how-to-send-a-csv-file-to-google-drive-or-to-a-server/79057 "2023-06-08T14:42:32Z")

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hi i try to send csv file from raspberry to a google drive or to server with ip fix and port 21 . one more thing the pi and server not in the same network any ideas how can i do that

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## [Decrypt LoRa packet](https://discourse.nodered.org/t/decrypt-lora-packet/79046)

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**Author:** [@NEX](https://discourse.nodered.org/u/NEX)\
**Replies:** 2\
**Last updated:** [8 June 2023 14:15 UTC](https://discourse.nodered.org/t/decrypt-lora-packet/79046 "2023-06-08T14:15:14Z")

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Hi for all I'm a newbie to node red , I'm trying to receive and send a LoRa packet to my server. I put a TCPin to listen on a port and I get a similar packet as string 01879004:ffffffcf0000005a10020100; or as buffer 4…

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## [\[Meetup\] Berlin](https://discourse.nodered.org/t/meetup-berlin/79053)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 0\
**Last updated:** [8 June 2023 13:48 UTC](https://discourse.nodered.org/t/meetup-berlin/79053 "2023-06-08T13:48:39Z")

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Cross posting from General Meetup is happening on the 23rd of June for anyone in Berlin! Location to be announced ... Come one, come all and be merry! Sign up at meetup.com:

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## [Custom domains for dashboard endpoint](https://discourse.nodered.org/t/custom-domains-for-dashboard-endpoint/78988)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 9\
**Last updated:** [8 June 2023 13:34 UTC](https://discourse.nodered.org/t/custom-domains-for-dashboard-endpoint/78988 "2023-06-08T13:34:35Z")

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Hi There! A thought occurred to me and I was wondering whether its possible - can I configure Node-RED to server the dashboard on a custom domain? For example https://demo.openmindmap.org/ui becomes https://website.ope…

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## [Temperature Control Sequence](https://discourse.nodered.org/t/temperature-control-sequence/79010)

<div class="topic-metadata">

**Author:** [@FHI](https://discourse.nodered.org/u/FHI)\
**Replies:** 2\
**Last updated:** [8 June 2023 13:19 UTC](https://discourse.nodered.org/t/temperature-control-sequence/79010 "2023-06-08T13:19:27Z")

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Hi can someone please assist me in designing a sequencing unit / node for temperature control. The aim of the unit is to have a dashboard icon where i can input the following parameters; Target temperature, Ramp rate, a…

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## [How to activate-deactivate nodes?](https://discourse.nodered.org/t/how-to-activate-deactivate-nodes/79052)

<div class="topic-metadata">

**Author:** [@AleksKan](https://discourse.nodered.org/u/AleksKan)\
**Replies:** 2\
**Last updated:** [8 June 2023 12:41 UTC](https://discourse.nodered.org/t/how-to-activate-deactivate-nodes/79052 "2023-06-08T12:41:03Z")

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Hi everyone! I made a flow as shown, and I want to make two buttons. One button has to activate Function1 section and deactivate Function2 section. Another button has to do vice versa. Is it possible to do it? Looks lik…

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