# Latest

**URL:** https://discourse.nodered.org/latest.md?page=682

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

**Page:** 683

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## [Entity value pulse to another entity](https://discourse.nodered.org/t/entity-value-pulse-to-another-entity/54491)

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**Author:** [@Waydercy](https://discourse.nodered.org/u/Waydercy)\
**Replies:** 5\
**Last updated:** [1 December 2021 07:09 UTC](https://discourse.nodered.org/t/entity-value-pulse-to-another-entity/54491 "2021-12-01T07:09:57Z")

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I am trying to set up lighting "zones" with individual switches with a master switch "All Lights". Note: All switches are an a entity node within node red where a toggle switch from the HA dashboard changes the states o…

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## [How to use node-red-contrib-syno](https://discourse.nodered.org/t/how-to-use-node-red-contrib-syno/54548)

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**Author:** [@UweG](https://discourse.nodered.org/u/UweG)\
**Replies:** 0\
**Last updated:** [1 December 2021 06:06 UTC](https://discourse.nodered.org/t/how-to-use-node-red-contrib-syno/54548 "2021-12-01T06:06:50Z")

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Has anybody an example to upload/download files to a Synology NAS with NodeRed? I try to use the node-red-contrib-syno (DS File) but there is no explanation and i didn't found anything in the web.

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## [Dashboard svg - not sure why some Materials icons don't work](https://discourse.nodered.org/t/dashboard-svg-not-sure-why-some-materials-icons-dont-work/54541)

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**Author:** [@letshin](https://discourse.nodered.org/u/letshin)\
**Replies:** 0\
**Last updated:** [1 December 2021 03:34 UTC](https://discourse.nodered.org/t/dashboard-svg-not-sure-why-some-materials-icons-dont-work/54541 "2021-12-01T03:34:26Z")

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I've tried 'book' and 'alarm\_on' which works, but 'water' and 'water\_drop' doesn't. Trying 'mi-water' and 'mi-water\_drop' doesn't work either. Can anyone explain what I'm doing wrong? \<text id="my\_text0" x="364" y="112"…

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## [Show and Tell - Node-RED playing Snake, and more!](https://discourse.nodered.org/t/show-and-tell-node-red-playing-snake-and-more/53653)

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**Author:** [@mdkrieg](https://discourse.nodered.org/u/mdkrieg)\
**Replies:** 6\
**Last updated:** [30 November 2021 23:26 UTC](https://discourse.nodered.org/t/show-and-tell-node-red-playing-snake-and-more/53653 "2021-11-30T23:26:42Z")

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Hello everyone, I have three projects to share today, but the common thread in these projects is that these are all "no backend" applications. Meaning, everything is served with flat files and the flow is interpreted in…

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## [Problem with usbcamera (gray output)](https://discourse.nodered.org/t/problem-with-usbcamera-gray-output/54536)

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**Author:** [@pjarafue](https://discourse.nodered.org/u/pjarafue)\
**Replies:** 1\
**Last updated:** [30 November 2021 23:06 UTC](https://discourse.nodered.org/t/problem-with-usbcamera-gray-output/54536 "2021-11-30T23:06:12Z")

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Hi everyone!! I have a problem with usbcamera node when image is generate , the result is a gray image without picture. I use Ubuntu 20.04, in windows don't have the problem. the camera is work ok with app cheese. …

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## [Scaling node? (scale != range)](https://discourse.nodered.org/t/scaling-node-scale-range/54532)

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**Author:** [@hobbes1069](https://discourse.nodered.org/u/hobbes1069)\
**Replies:** 3\
**Last updated:** [30 November 2021 22:30 UTC](https://discourse.nodered.org/t/scaling-node-scale-range/54532 "2021-11-30T22:30:21Z")

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I'm sure someone has created one, I've already seen it done as a subflow, but I was surprised to not find a single search return for "scaling" in the palatte manager. It wouldn't need to be installed by default or anyth…

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## [Getting Today's Date](https://discourse.nodered.org/t/getting-todays-date/54533)

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**Author:** [@rlongfield](https://discourse.nodered.org/u/rlongfield)\
**Replies:** 3\
**Last updated:** [30 November 2021 21:25 UTC](https://discourse.nodered.org/t/getting-todays-date/54533 "2021-11-30T21:25:01Z")

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I am trying to get the days date whenever a flow is run and store that date in slots.date. I tried this, the code was modified from a get time node. var dateString = new Date().toLocaleTimeString(\[\], { day: "2-digi…

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## [OpnSense Firewall Automation](https://discourse.nodered.org/t/opnsense-firewall-automation/54391)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 7\
**Last updated:** [30 November 2021 21:22 UTC](https://discourse.nodered.org/t/opnsense-firewall-automation/54391 "2021-11-30T21:22:02Z")

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Wondering if anyone on here has done anything with Automation of OPNSense firewall ? In particular the ability to dynamically add rule sets etc ? What i am planning on doing is scanning an number of log files on an inte…

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## [Helping with subflows and context access examples](https://discourse.nodered.org/t/helping-with-subflows-and-context-access-examples/54534)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [30 November 2021 21:17 UTC](https://discourse.nodered.org/t/helping-with-subflows-and-context-access-examples/54534 "2021-11-30T21:17:27Z")

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To put it out there here is a flow with 2 examples of subflow and accessing context. The first is accessing context from within the subflow. The second accesses context from the parent flow. This example READS context…

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## [Can a custom node .html file use values from settings.js?](https://discourse.nodered.org/t/can-a-custom-node-html-file-use-values-from-settings-js/54468)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 4\
**Last updated:** [30 November 2021 19:37 UTC](https://discourse.nodered.org/t/can-a-custom-node-html-file-use-values-from-settings-js/54468 "2021-11-30T19:37:18Z")

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I would like to use the value of nodeMessageBufferMaxLength defined in settings.js in the edit dialog of a custom node. It is available as RED.settings.nodeMessageBufferMaxLength in the .js file, but I don't seem to be a…

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## [How to add information ( username, birthday, date...) to mongodb from function of node-red. Pls help me](https://discourse.nodered.org/t/how-to-add-information-username-birthday-date-to-mongodb-from-function-of-node-red-pls-help-me/54495)

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**Author:** [@Anh](https://discourse.nodered.org/u/Anh)\
**Replies:** 1\
**Last updated:** [30 November 2021 19:30 UTC](https://discourse.nodered.org/t/how-to-add-information-username-birthday-date-to-mongodb-from-function-of-node-red-pls-help-me/54495 "2021-11-30T19:30:46Z")

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I don't know how about add information to mongodb. Help me

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## [Beginner needs help -\> Smartmeter data to MQTT](https://discourse.nodered.org/t/beginner-needs-help-smartmeter-data-to-mqtt/54445)

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**Author:** [@Klobrille](https://discourse.nodered.org/u/Klobrille)\
**Replies:** 5\
**Last updated:** [30 November 2021 19:15 UTC](https://discourse.nodered.org/t/beginner-needs-help-smartmeter-data-to-mqtt/54445 "2021-11-30T19:15:20Z")

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Hello, I hope you can help me. I am an absolut beginner with Raspberry PI, Linux and especially Node Red. My situation: I have an Raspberry PI 4 with Raspberry OS, running "Home Assistant" with mosquitto (MQTT), influ…

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## [Modbus Failure on State Sending](https://discourse.nodered.org/t/modbus-failure-on-state-sending/53942)

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**Author:** [@traderjoe](https://discourse.nodered.org/u/traderjoe)\
**Replies:** 13\
**Last updated:** [30 November 2021 19:14 UTC](https://discourse.nodered.org/t/modbus-failure-on-state-sending/53942 "2021-11-30T19:14:56Z")

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I have a code, that sends data over modbus to a device. it works. But every so often, i get a warning: "Modbus Failure on State sending Get more about it by logging" I'm not even sending data at the moment and I ge…

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## [Router on a stick](https://discourse.nodered.org/t/router-on-a-stick/54521)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 4\
**Last updated:** [30 November 2021 18:35 UTC](https://discourse.nodered.org/t/router-on-a-stick/54521 "2021-11-30T18:35:57Z")

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Has anyone tried to create a router on a stick using NR? For reference: a router on a stick, also known as a one-armed router, is a router that has a single physical or logical connection to a network. It is a method o…

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## [Dashboard ui\_template send all checkboxes name & state](https://discourse.nodered.org/t/dashboard-ui-template-send-all-checkboxes-name-state/20492)

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**Author:** [@rwblinn](https://discourse.nodered.org/u/rwblinn)\
**Replies:** 7\
**Last updated:** [30 November 2021 16:52 UTC](https://discourse.nodered.org/t/dashboard-ui-template-send-all-checkboxes-name-state/20492 "2021-11-30T16:52:46Z")

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Hi, question how to send via button, all items name & state of a ui\_template containing several checkboxes. Example msg.payload: \[{"name":"item a","state":true},{"name":"item b","state":false},{"name":"item c","state…

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## [Node red Not starting Look at log idk](https://discourse.nodered.org/t/node-red-not-starting-look-at-log-idk/54473)

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**Author:** [@LostiLama](https://discourse.nodered.org/u/LostiLama)\
**Replies:** 7\
**Last updated:** [30 November 2021 15:32 UTC](https://discourse.nodered.org/t/node-red-not-starting-look-at-log-idk/54473 "2021-11-30T15:32:05Z")

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Start Node-RED Once Node-RED has started, point a browser at http://192.168.178.33:1880 On Pi Node-RED works better with the Firefox or Chrome browser Use node-red-stop to stop Node-RED Use…

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## [Support multiline strings having environment variables in change node](https://discourse.nodered.org/t/support-multiline-strings-having-environment-variables-in-change-node/54518)

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**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 2\
**Last updated:** [30 November 2021 15:11 UTC](https://discourse.nodered.org/t/support-multiline-strings-having-environment-variables-in-change-node/54518 "2021-11-30T15:11:57Z")

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I am using a change node to produce a long string where several parts need to be replaced by the value of environment variables. See example here below: This functionally works perfect but the problem is that it i…

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## [Allow input other than msg.payload for the split node](https://discourse.nodered.org/t/allow-input-other-than-msg-payload-for-the-split-node/54481)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 10\
**Last updated:** [30 November 2021 15:03 UTC](https://discourse.nodered.org/t/allow-input-other-than-msg-payload-for-the-split-node/54481 "2021-11-30T15:03:13Z")

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It would be nice of the split node allowed input other than msg.payload as the other sequence nodes do.

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## [Colorpicker payload sending RGB values all zero](https://discourse.nodered.org/t/colorpicker-payload-sending-rgb-values-all-zero/53553)

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**Author:** [@Rocky48](https://discourse.nodered.org/u/Rocky48)\
**Replies:** 4\
**Last updated:** [30 November 2021 13:43 UTC](https://discourse.nodered.org/t/colorpicker-payload-sending-rgb-values-all-zero/53553 "2021-11-30T13:43:17Z")

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Hi I tried to control my KNX RGB controller with colorpicker. When i check the values in the object sent to the KNX device it looks like: msg.payload:{red:0,green:0,blue:0}. It does not matter what color i choose, it …

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## [A pull of mqtt info](https://discourse.nodered.org/t/a-pull-of-mqtt-info/54507)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 3\
**Last updated:** [30 November 2021 13:29 UTC](https://discourse.nodered.org/t/a-pull-of-mqtt-info/54507 "2021-11-30T13:29:44Z")

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Hello I need your knowledge. When I restart my system, I have the problem that mqtt state of several relays only will be send, when a change after my restart takes place. So I do not have for my flows the current stat…

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## [SMA Inverter Readout](https://discourse.nodered.org/t/sma-inverter-readout/54480)

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**Author:** [@fpfeifer](https://discourse.nodered.org/u/fpfeifer)\
**Replies:** 4\
**Last updated:** [30 November 2021 12:47 UTC](https://discourse.nodered.org/t/sma-inverter-readout/54480 "2021-11-30T12:47:30Z")

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Hello, I have a PV system with a STP 20000TL-30 474, SBS6.0-10 319 and Home Manager 2 351. Now I want to read out all the values via NodeRed and display them in the dashboard. I have already read a lot, but do not get …

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## [TypeError: Cannot create property 'accX' on string '-0.009'](https://discourse.nodered.org/t/typeerror-cannot-create-property-accx-on-string-0-009/54455)

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**Author:** [@hkayan](https://discourse.nodered.org/u/hkayan)\
**Replies:** 6\
**Last updated:** [30 November 2021 10:23 UTC](https://discourse.nodered.org/t/typeerror-cannot-create-property-accx-on-string-0-009/54455 "2021-11-30T10:23:00Z")

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My own node outputs an object non-stop in order. The below figure shows the first 3 outputs. Then it repeats with new values: I would like to get 3 decimals points only hence, I have written the below function: var n…

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## [Cannot update modbus node because of NPM version 7.7.6](https://discourse.nodered.org/t/cannot-update-modbus-node-because-of-npm-version-7-7-6/54474)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 7\
**Last updated:** [30 November 2021 09:40 UTC](https://discourse.nodered.org/t/cannot-update-modbus-node-because-of-npm-version-7-7-6/54474 "2021-11-30T09:40:21Z")

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I just tried to update my installed modbus node, but the install log told me that the NPM version was too low. I needed version 10 or higher, but before I updated the system with a bash file I thought was the right way …

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## [Uibuilder moving to new instance](https://discourse.nodered.org/t/uibuilder-moving-to-new-instance/54417)

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**Author:** [@magicman](https://discourse.nodered.org/u/magicman)\
**Replies:** 3\
**Last updated:** [30 November 2021 09:16 UTC](https://discourse.nodered.org/t/uibuilder-moving-to-new-instance/54417 "2021-11-30T09:16:31Z")

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Hi i want to use the changing state of a switch to open another page on my uibuilder . so when switch A changes state , A page on uibuilder displays this fact then returns to the main page either timed return or manuall…

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## [Daily Flow Problem](https://discourse.nodered.org/t/daily-flow-problem/54424)

<div class="topic-metadata">

**Author:** [@pongolo](https://discourse.nodered.org/u/pongolo)\
**Replies:** 4\
**Last updated:** [30 November 2021 09:15 UTC](https://discourse.nodered.org/t/daily-flow-problem/54424 "2021-11-30T09:15:19Z")

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Hello, I am fairly new to Node Red and am having an issue with a couple of Home Assistant (core-2021.11.5 & Node Red 10.1.1) automations and hope someone can help me with them. The first one is controlling an outlet fo…

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## [Umlauts in mail csv-attachment content](https://discourse.nodered.org/t/umlauts-in-mail-csv-attachment-content/54469)

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**Author:** [@Andreas703](https://discourse.nodered.org/u/Andreas703)\
**Replies:** 1\
**Last updated:** [30 November 2021 07:10 UTC](https://discourse.nodered.org/t/umlauts-in-mail-csv-attachment-content/54469 "2021-11-30T07:10:07Z")

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Hi, I am sending me log files every day as backup. If I am sending it as csv there are problems with the encoding and all umlauts like ö,ä,ü and so on arent readable. If I am sending the same text as .txt it works. Th…

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## [Changeable multidimensional array](https://discourse.nodered.org/t/changeable-multidimensional-array/53515)

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**Author:** [@Andreas703](https://discourse.nodered.org/u/Andreas703)\
**Replies:** 7\
**Last updated:** [30 November 2021 07:07 UTC](https://discourse.nodered.org/t/changeable-multidimensional-array/53515 "2021-11-30T07:07:55Z")

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Hi, is it possible to show an multidimensional array and update this with the dashboard ui? Can you help pls? I try to get an multidimensional array into dashboard(the whole array has 1000 arrays), this is the first p…

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## [TypeError: Cannot read property 'dnum' of undefined](https://discourse.nodered.org/t/typeerror-cannot-read-property-dnum-of-undefined/54371)

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**Author:** [@Loonhaunt](https://discourse.nodered.org/u/Loonhaunt)\
**Replies:** 16\
**Last updated:** [30 November 2021 02:44 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-property-dnum-of-undefined/54371 "2021-11-30T02:44:49Z")

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2021-11-27T07:00:00Z (UTC) I am following a tutorial in book "Programming with Node-RED" by Dogan Ibrahim Using TMP 36, MCP3002 , on Raspberry pi 3 B. I received the error message in the subject bar above. I have be…

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## [Splitting data advice](https://discourse.nodered.org/t/splitting-data-advice/54426)

<div class="topic-metadata">

**Author:** [@gregoinc](https://discourse.nodered.org/u/gregoinc)\
**Replies:** 7\
**Last updated:** [30 November 2021 01:32 UTC](https://discourse.nodered.org/t/splitting-data-advice/54426 "2021-11-30T01:32:08Z")

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Hello, I am receiving some data from an aqara temperature sensor and I really want to extract just the temperature data to send to my blynk app. Here's what I have setup... Here's the code from the json node... kind…

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## [Debugging a node's html file](https://discourse.nodered.org/t/debugging-a-nodes-html-file/54487)

<div class="topic-metadata">

**Author:** [@chris.willing](https://discourse.nodered.org/u/chris.willing)\
**Replies:** 1\
**Last updated:** [30 November 2021 01:09 UTC](https://discourse.nodered.org/t/debugging-a-nodes-html-file/54487 "2021-11-30T01:09:10Z")

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I used to be able to have the occasional console.log() in a node's html file for debugging purposes, the output of which would appear in the console output of the web developer tools tab at bottom of my browser (ctrl+shi…

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