# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1131

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

**Page:** 1132

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## [Working between Floating Point and Int. data types](https://discourse.nodered.org/t/working-between-floating-point-and-int-data-types/22677)

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**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\
**Replies:** 23\
**Last updated:** [26 March 2020 13:50 UTC](https://discourse.nodered.org/t/working-between-floating-point-and-int-data-types/22677 "2020-03-26T13:50:48Z")

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I have a piece of equipment which has the ability to send data out either as floating point or int. If I set it to output in Int. I can use a Modbus Read and see the values fine. However if I set it to Float, I get v…

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## [Subflow - template node - subflow properties](https://discourse.nodered.org/t/subflow-template-node-subflow-properties/23658)

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**Author:** [@hklages](https://discourse.nodered.org/u/hklages)\
**Replies:** 8\
**Last updated:** [26 March 2020 12:01 UTC](https://discourse.nodered.org/t/subflow-template-node-subflow-properties/23658 "2020-03-26T12:01:56Z")

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Hi. How can I access any subflow property in a template - mustache - node? (My current work around is to use a change node (with $) in combination with a template node.)

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## [Google Spreasheet zu Node Red](https://discourse.nodered.org/t/google-spreasheet-zu-node-red/23608)

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**Author:** [@ERAStephan](https://discourse.nodered.org/u/ERAStephan)\
**Replies:** 12\
**Last updated:** [26 March 2020 10:52 UTC](https://discourse.nodered.org/t/google-spreasheet-zu-node-red/23608 "2020-03-26T10:52:45Z")

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Guten tag allerseits, hoffe das ihr in Tagen wie diesen Gesund zu Hause sitzt. Mein Projekt ist eine Poolsteuerung(RaspberryPi) mit externer Messeinheit Names Blue Riiot. Ev. kann der eine oder andere mir bei meinem Pr…

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## [DWD Node TypeError Problem](https://discourse.nodered.org/t/dwd-node-typeerror-problem/23661)

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**Author:** [@Thomas6789](https://discourse.nodered.org/u/Thomas6789)\
**Replies:** 2\
**Last updated:** [26 March 2020 09:49 UTC](https://discourse.nodered.org/t/dwd-node-typeerror-problem/23661 "2020-03-26T09:49:40Z")

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I use the DWD node to get the temperature of my city. The node works, but generates a lot of error codes in the IoBroker Log. Does anyone know what that could be?

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## [Need a push button node](https://discourse.nodered.org/t/need-a-push-button-node/23404)

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**Author:** [@Shadeed](https://discourse.nodered.org/u/Shadeed)\
**Replies:** 5\
**Last updated:** [26 March 2020 08:45 UTC](https://discourse.nodered.org/t/need-a-push-button-node/23404 "2020-03-26T08:45:48Z")

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I need a kind of push button node in which if i push it it will output 1 and if i release it will output 0

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## [Hide group via ui\_control not working](https://discourse.nodered.org/t/hide-group-via-ui-control-not-working/23606)

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**Author:** [@jibeer](https://discourse.nodered.org/u/jibeer)\
**Replies:** 3\
**Last updated:** [26 March 2020 07:49 UTC](https://discourse.nodered.org/t/hide-group-via-ui-control-not-working/23606 "2020-03-26T07:49:57Z")

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Hi all, I don't understand : I'm able to hide/show a group by injecting the following payload to a ui\_control node : { "group": { "show": \[ "Tab\_1\_Group\_1" \] } } but I can't enable/…

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## [ESP32-CAM dashboard template - how to adjust width?](https://discourse.nodered.org/t/esp32-cam-dashboard-template-how-to-adjust-width/23637)

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**Author:** [@877](https://discourse.nodered.org/u/877)\
**Replies:** 3\
**Last updated:** [26 March 2020 07:37 UTC](https://discourse.nodered.org/t/esp32-cam-dashboard-template-how-to-adjust-width/23637 "2020-03-26T07:37:02Z")

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Hi all, How can I resize the image so it's full width with no scroll bar? When I change the width or height it just makes the image taller, and the bottom scroll bar remains. Thanks \[{"id":"d5d44d03.369d1","type":"…

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## [Worldmap + Geofence](https://discourse.nodered.org/t/worldmap-geofence/23648)

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**Author:** [@robo67](https://discourse.nodered.org/u/robo67)\
**Replies:** 0\
**Last updated:** [26 March 2020 01:33 UTC](https://discourse.nodered.org/t/worldmap-geofence/23648 "2020-03-26T01:33:20Z")

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Is there a way to link the worldmap and geofence nodes so one could define the geofence area in worldmap and link that area to the geofence node for monitoring? Or, could the geofence functionality simply go into the wo…

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## [\[ Solved \] \[ Add module \] Need help with adding external npm module](https://discourse.nodered.org/t/solved-add-module-need-help-with-adding-external-npm-module/23621)

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**Author:** [@tomtom30](https://discourse.nodered.org/u/tomtom30)\
**Replies:** 6\
**Last updated:** [25 March 2020 23:37 UTC](https://discourse.nodered.org/t/solved-add-module-need-help-with-adding-external-npm-module/23621 "2020-03-25T23:37:12Z")

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Hi, I need your help about external module I try to use faux-api-client and I added it in settings.js and restart. Here is my function code : var fauxapi = context.global.fauxapi; console.log(fauxapi); const client = …

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## [\[ANNOUNCE\] node-red-contrib-plate-recognizer](https://discourse.nodered.org/t/announce-node-red-contrib-plate-recognizer/22122)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 40\
**Last updated:** [25 March 2020 23:02 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-plate-recognizer/22122 "2020-03-25T23:02:58Z")

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Hi folks, Last week there was a request for a new node: Had some chit chat with @lizzardguki behind the scenes meanwhile, and a beta version is now available on Github: You can install it directly from my Github a…

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## [Worldmap - boat icon bearing](https://discourse.nodered.org/t/worldmap-boat-icon-bearing/23643)

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**Author:** [@robo67](https://discourse.nodered.org/u/robo67)\
**Replies:** 2\
**Last updated:** [25 March 2020 22:45 UTC](https://discourse.nodered.org/t/worldmap-boat-icon-bearing/23643 "2020-03-25T22:45:56Z")

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Hello. I have a project where I am monitoring the position and orientation of several large boats at anchor. I am using a GNSS receiver that uses two antennas to provide both position and bearing. We use these receive…

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## [Getting started with ESP8266 - first project - need help please](https://discourse.nodered.org/t/getting-started-with-esp8266-first-project-need-help-please/23636)

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**Author:** [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Replies:** 10\
**Last updated:** [25 March 2020 21:55 UTC](https://discourse.nodered.org/t/getting-started-with-esp8266-first-project-need-help-please/23636 "2020-03-25T21:55:53Z")

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\[EDIT\]... While I totaly get this topic isnt 100% node-red, I hope you all don't mind me kicking it off / discussing it here. I find this vibrant forum to be one the best I've ever used. And ultimately, I will share f…

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## [UI\_Chart x Axis Label](https://discourse.nodered.org/t/ui-chart-x-axis-label/23605)

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**Author:** [@knubbl](https://discourse.nodered.org/u/knubbl)\
**Replies:** 3\
**Last updated:** [25 March 2020 21:43 UTC](https://discourse.nodered.org/t/ui-chart-x-axis-label/23605 "2020-03-25T21:43:18Z")

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HI, i want to show Data from a database within a ui chart with x axis is the time y axis the value. When i use chart type bargraph i can set label of x-Axis by msg.topic. Using type line chart it seems to be not possibl…

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## [UI-Button / continue flow](https://discourse.nodered.org/t/ui-button-continue-flow/23641)

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**Author:** [@lamine](https://discourse.nodered.org/u/lamine)\
**Replies:** 0\
**Last updated:** [25 March 2020 21:22 UTC](https://discourse.nodered.org/t/ui-button-continue-flow/23641 "2020-03-25T21:22:01Z")

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Dear , I'm designing a platform to control a robot with camera. But when i click in the ñeft button for example , it only do one sequence and i should click on another way to do another sequence. But for this context …

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## [Node red efficiency](https://discourse.nodered.org/t/node-red-efficiency/23615)

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**Author:** [@marcmattar](https://discourse.nodered.org/u/marcmattar)\
**Replies:** 2\
**Last updated:** [25 March 2020 21:03 UTC](https://discourse.nodered.org/t/node-red-efficiency/23615 "2020-03-25T21:03:18Z")

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I want to create a program for my company that includes products and licences that we sell, they will have a start date and end date for every product that every customer is using. I also want an automated email that se…

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## [RFID with Raspberry Pi through Node-Red](https://discourse.nodered.org/t/rfid-with-raspberry-pi-through-node-red/23575)

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**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\
**Replies:** 12\
**Last updated:** [25 March 2020 20:56 UTC](https://discourse.nodered.org/t/rfid-with-raspberry-pi-through-node-red/23575 "2020-03-25T20:56:36Z")

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I want to connect RFID with Raspberry Pi Through node-red. While it is working fine with python code.

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## ["Hello! We have introduced 'projects''" popup](https://discourse.nodered.org/t/hello-we-have-introduced-projects-popup/23080)

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**Author:** [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Replies:** 4\
**Last updated:** [25 March 2020 19:22 UTC](https://discourse.nodered.org/t/hello-we-have-introduced-projects-popup/23080 "2020-03-25T19:22:36Z")

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Just a minor niggle. I have enabled projects in the settings.js file but am not at the stage where I want to create a project yet. The "Hello! We have introduced 'projects' to Node-RED" popup window opens every time I op…

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## [BT broken after using cam](https://discourse.nodered.org/t/bt-broken-after-using-cam/23494)

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**Author:** [@mruch](https://discourse.nodered.org/u/mruch)\
**Replies:** 15\
**Last updated:** [25 March 2020 18:18 UTC](https://discourse.nodered.org/t/bt-broken-after-using-cam/23494 "2020-03-25T18:18:01Z")

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Hi i discovered a strange behaviour on my Raspi 4. I use a flow to get temperature and humidity from a Xiaomi Bluetooth device. Additionaly a pic is taken by the camera connected via csi. I use: node-red-contrib-camer…

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## [Trying to get a button image in dashboard](https://discourse.nodered.org/t/trying-to-get-a-button-image-in-dashboard/23574)

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**Author:** [@Surefire01](https://discourse.nodered.org/u/Surefire01)\
**Replies:** 12\
**Last updated:** [25 March 2020 17:39 UTC](https://discourse.nodered.org/t/trying-to-get-a-button-image-in-dashboard/23574 "2020-03-25T17:39:41Z")

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Hi folks Very new to code red so bit of a steep learning curve for me. Iv'e got a bit of time on my hands so I am trying to make a smart thermostat following Peter Scargill's excellent information. Problem is I'm stuck …

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## [Customize css for node template](https://discourse.nodered.org/t/customize-css-for-node-template/23624)

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**Author:** [@cigno](https://discourse.nodered.org/u/cigno)\
**Replies:** 5\
**Last updated:** [25 March 2020 17:29 UTC](https://discourse.nodered.org/t/customize-css-for-node-template/23624 "2020-03-25T17:29:06Z")

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hi everyone I'm trying to use the w3.css framework and use it in the template node. but when I go to link it locally it doesn't work link rel = "stylesheet" href = "/ css / w3.css". but when I link it like this link …

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## [Localization Contribution](https://discourse.nodered.org/t/localization-contribution/23631)

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**Author:** [@alexk111](https://discourse.nodered.org/u/alexk111)\
**Replies:** 2\
**Last updated:** [25 March 2020 17:26 UTC](https://discourse.nodered.org/t/localization-contribution/23631 "2020-03-25T17:26:39Z")

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The Contributing to Node-RED covers new features. How a localization contribution differs from that?

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## ["!packages/node\_modules" in .gitignore](https://discourse.nodered.org/t/packages-node-modules-in-gitignore/23632)

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**Author:** [@alexk111](https://discourse.nodered.org/u/alexk111)\
**Replies:** 1\
**Last updated:** [25 March 2020 17:04 UTC](https://discourse.nodered.org/t/packages-node-modules-in-gitignore/23632 "2020-03-25T17:04:44Z")

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What is the idea behind the !packages/node\_modules in .gitignore? How is it supposed to commit changes in NR?

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## [Can a \`change\` node access a globaI variable if it's an array?](https://discourse.nodered.org/t/can-a-change-node-access-a-globai-variable-if-its-an-array/23629)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 2\
**Last updated:** [25 March 2020 16:48 UTC](https://discourse.nodered.org/t/can-a-change-node-access-a-globai-variable-if-its-an-array/23629 "2020-03-25T16:48:03Z")

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I'm trying to build a remote tic-tac-toe game with my grandson. I'm storing the 'board' in a global array 'board' as a 3x3 array var b = \[\[9,9,9\],\[9,9,9\],\[9,9,9\]\] global.set("board",b) The board is a set of buttons and…

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## [Servo Motor with fixed angle](https://discourse.nodered.org/t/servo-motor-with-fixed-angle/22678)

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**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\
**Replies:** 29\
**Last updated:** [25 March 2020 16:30 UTC](https://discourse.nodered.org/t/servo-motor-with-fixed-angle/22678 "2020-03-25T16:30:21Z")

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Hi. I am making a smart home prototype where I connected the door with Servo-motor and I wanna rotate the motor on one fix position (95°) then it can open my door. Now I switch from the dashboard and connect it with GPIO…

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## [Custom node, dynamic editor by ajax](https://discourse.nodered.org/t/custom-node-dynamic-editor-by-ajax/23625)

<div class="topic-metadata">

**Author:** [@juncaofish](https://discourse.nodered.org/u/juncaofish)\
**Replies:** 4\
**Last updated:** [25 March 2020 16:01 UTC](https://discourse.nodered.org/t/custom-node-dynamic-editor-by-ajax/23625 "2020-03-25T16:01:26Z")

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Hello, everyone, I'd like to create a custom node, with dynamic editor, which changes it's form controls (like dropdown options) with ajax inside. Is it possible to implement within oneditprepare? Or should I use ui das…

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## [Upgrade NR 0.19.4 -\> 1.0.4: missing node types](https://discourse.nodered.org/t/upgrade-nr-0-19-4-1-0-4-missing-node-types/23572)

<div class="topic-metadata">

**Author:** [@Marooned](https://discourse.nodered.org/u/Marooned)\
**Replies:** 9\
**Last updated:** [25 March 2020 15:29 UTC](https://discourse.nodered.org/t/upgrade-nr-0-19-4-1-0-4-missing-node-types/23572 "2020-03-25T15:29:27Z")

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Hi there I was running NR 0.19.4 (NodeJS v8.11.1) on RPi and wanted to use msg.reset for Join Node. As it was not present, I decided to upgrade NR. I used script from https://nodered.org/docs/getting-started/raspberryp…

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## [Telegram Switch Error unauthorized](https://discourse.nodered.org/t/telegram-switch-error-unauthorized/23555)

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**Author:** [@pedroware](https://discourse.nodered.org/u/pedroware)\
**Replies:** 12\
**Last updated:** [25 March 2020 15:04 UTC](https://discourse.nodered.org/t/telegram-switch-error-unauthorized/23555 "2020-03-25T15:04:12Z")

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Hi, my Telegram Switch gives the following error: received callback in 2939\*\*\*\*\* from 'undefined' was unauthorized Can you help correct it please?

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## [Store and merge data through join nodes?](https://discourse.nodered.org/t/store-and-merge-data-through-join-nodes/23375)

<div class="topic-metadata">

**Author:** [@RobP](https://discourse.nodered.org/u/RobP)\
**Replies:** 10\
**Last updated:** [25 March 2020 14:24 UTC](https://discourse.nodered.org/t/store-and-merge-data-through-join-nodes/23375 "2020-03-25T14:24:47Z")

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I have several flows, with subflows and nest subflows. Any of these flows can have a join (not always with a split). All these flows do lots of different things, mostly in parallel. All the flows eventually join up and w…

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## [MQTT node converts topic](https://discourse.nodered.org/t/mqtt-node-converts-topic/23619)

<div class="topic-metadata">

**Author:** [@Hammerfels](https://discourse.nodered.org/u/Hammerfels)\
**Replies:** 2\
**Last updated:** [25 March 2020 14:00 UTC](https://discourse.nodered.org/t/mqtt-node-converts-topic/23619 "2020-03-25T14:00:07Z")

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Hello everyone, I realized that the MQTT out node converts dots in the topic to slashes. e.g. something.else --\> something/else Is there a way to change this behavior? Kind regards

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## [Long shot but any help would be great](https://discourse.nodered.org/t/long-shot-but-any-help-would-be-great/23617)

<div class="topic-metadata">

**Author:** [@shuri1](https://discourse.nodered.org/u/shuri1)\
**Replies:** 2\
**Last updated:** [25 March 2020 13:52 UTC](https://discourse.nodered.org/t/long-shot-but-any-help-would-be-great/23617 "2020-03-25T13:52:14Z")

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I'm using a multitech conduit...which apparently has an older version of node-red on it I'm trying to npm some of the nodes.....but whenever i run npm i get: ANY advice would be greatly appreciated...i've hard reset, i…

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