# Latest

**URL:** https://discourse.nodered.org/latest.md?page=704

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

**Page:** 705

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## [Is there a way to do string - string?](https://discourse.nodered.org/t/is-there-a-way-to-do-string-string/53009)

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**Author:** [@BioKeks](https://discourse.nodered.org/u/BioKeks)\
**Replies:** 2\
**Last updated:** [31 October 2021 13:33 UTC](https://discourse.nodered.org/t/is-there-a-way-to-do-string-string/53009 "2021-10-31T13:33:15Z")

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Hey guys! I have 2 strings in the msg. (first string msg.hello, second msg.cookie) The problem I have is msg.hello contains words that I don't want in msg.hello. msg.cookie contains the words that I want to delete fro…

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## [\[Solved\]Adding quotes around an exec node parameter](https://discourse.nodered.org/t/solved-adding-quotes-around-an-exec-node-parameter/53008)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 3\
**Last updated:** [31 October 2021 12:32 UTC](https://discourse.nodered.org/t/solved-adding-quotes-around-an-exec-node-parameter/53008 "2021-10-31T12:32:24Z")

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I'm wanting to try and use espeak on a Pi for text to speech but having a problem in passing my text with quotes around it If you just use (from a command line) espeak alexa, what is the time then it only says alexa …

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## [Concatenate 2 hex buffer and convert](https://discourse.nodered.org/t/concatenate-2-hex-buffer-and-convert/52980)

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**Author:** [@bolfox](https://discourse.nodered.org/u/bolfox)\
**Replies:** 7\
**Last updated:** [31 October 2021 09:32 UTC](https://discourse.nodered.org/t/concatenate-2-hex-buffer-and-convert/52980 "2021-10-31T09:32:45Z")

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Hi to all, i need to concatenate 2 buffer (first 2, knx.rawValue\[0\] and knx.rawValue\[a\]) in hex like 0x08 + 0xcd, take 08+cd -\> 08cd and convert to decimal 08cd = 2253 then add a , after the first 3 digit to receive a …

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## [Password in Node-RED](https://discourse.nodered.org/t/password-in-node-red/50288)

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**Author:** [@fsaavedra](https://discourse.nodered.org/u/fsaavedra)\
**Replies:** 48\
**Last updated:** [31 October 2021 08:51 UTC](https://discourse.nodered.org/t/password-in-node-red/50288 "2021-10-31T08:51:17Z")

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Hello everyone, hoping that you are all very well, I wanted to enter a password myself to node red by the "Username/password based authentication " and then enter them in node-red it throws me “Login failed”. To create …

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## [Stepper motor speed issues](https://discourse.nodered.org/t/stepper-motor-speed-issues/52132)

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**Author:** [@Jay1234](https://discourse.nodered.org/u/Jay1234)\
**Replies:** 8\
**Last updated:** [31 October 2021 06:34 UTC](https://discourse.nodered.org/t/stepper-motor-speed-issues/52132 "2021-10-31T06:34:55Z")

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I'm playing around with a 28BYJ stepper motor paired with a ULN2003 chip using a Raspberry Pi 3b using this flow Stepper Motor (flow) - Node-RED. There seems to be some sort of glass ceiling on the stepper motor speed -…

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## [Problem with exec node and chrome headless screenshot](https://discourse.nodered.org/t/problem-with-exec-node-and-chrome-headless-screenshot/52964)

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**Author:** [@dathor](https://discourse.nodered.org/u/dathor)\
**Replies:** 8\
**Last updated:** [31 October 2021 01:15 UTC](https://discourse.nodered.org/t/problem-with-exec-node-and-chrome-headless-screenshot/52964 "2021-10-31T01:15:57Z")

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Hello I have run into a problem when trying to use the exec node to take a screen shot of a webpage using Chrome. I did have this working but now it fails. I am using this on a windows 10 machine & Node-red 2.0.5. If…

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## [Ascii to Decimal](https://discourse.nodered.org/t/ascii-to-decimal/52965)

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**Author:** [@New2Node](https://discourse.nodered.org/u/New2Node)\
**Replies:** 3\
**Last updated:** [31 October 2021 00:52 UTC](https://discourse.nodered.org/t/ascii-to-decimal/52965 "2021-10-31T00:52:35Z")

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Hi, Does anyone have a function that converts an ascii string to decimal (string)? So if pass “ABCD1” into the function the output would be “65” “66” “67” “68” “49”

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## [\[Bugfix Release\] node-red-contrib-uibuilder v4.1.4](https://discourse.nodered.org/t/bugfix-release-node-red-contrib-uibuilder-v4-1-4/52834)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 11\
**Last updated:** [30 October 2021 21:49 UTC](https://discourse.nodered.org/t/bugfix-release-node-red-contrib-uibuilder-v4-1-4/52834 "2021-10-30T21:49:39Z")

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Hi all, a small set of bugfixes for uibuilder v4. 4.1.3 Fixed Issue #155 Cannot edit files in a uibuilder instance's root folder. 4.1.2 Fixed PR #152 nodes/libs/uiblib.js incorrectly called jwtValid instead of validJ…

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## [Split values in a string?](https://discourse.nodered.org/t/split-values-in-a-string/52974)

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**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 16\
**Last updated:** [30 October 2021 21:34 UTC](https://discourse.nodered.org/t/split-values-in-a-string/52974 "2021-10-30T21:34:21Z")

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I got some values in a string. I need to split them as i want to find the average of them. Every number contains of 5 digits: 0.1263 and so on. Anyone who can help me with this? It will be much appreciated. Freddy.

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## [Problem with Twitterbot](https://discourse.nodered.org/t/problem-with-twitterbot/52986)

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**Author:** [@BioKeks](https://discourse.nodered.org/u/BioKeks)\
**Replies:** 5\
**Last updated:** [30 October 2021 21:22 UTC](https://discourse.nodered.org/t/problem-with-twitterbot/52986 "2021-10-30T21:22:50Z")

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Hey guys! I am new in Node-Red programming. I need you help! I want to create a basic Twitter bot that responses the reversed text from the a tweet. The basic things works like sending the same message back. The problem…

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## [Node-Red Newbie with Questions: Help with error logs](https://discourse.nodered.org/t/node-red-newbie-with-questions-help-with-error-logs/52921)

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**Author:** [@SergeantPup](https://discourse.nodered.org/u/SergeantPup)\
**Replies:** 6\
**Last updated:** [30 October 2021 20:36 UTC](https://discourse.nodered.org/t/node-red-newbie-with-questions-help-with-error-logs/52921 "2021-10-30T20:36:20Z")

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Hello, This is my first post in this forum and I've learned enough about Node-Red on my own to be dangerous. I've gone down a delightfully convoluted rabbit hole to basically try to graph out various information coming…

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## [Request: Editable Properties Bar](https://discourse.nodered.org/t/request-editable-properties-bar/52970)

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**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\
**Replies:** 26\
**Last updated:** [30 October 2021 20:34 UTC](https://discourse.nodered.org/t/request-editable-properties-bar/52970 "2021-10-30T20:34:37Z")

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Dear All, I don't know if I'm the only one but for most of my contrib nodes I spend more time building the config UI than for the core functionality. People get very creative (my self included) building these but in the…

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## [Huge slowdown after some nodes updates](https://discourse.nodered.org/t/huge-slowdown-after-some-nodes-updates/52954)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 5\
**Last updated:** [30 October 2021 16:35 UTC](https://discourse.nodered.org/t/huge-slowdown-after-some-nodes-updates/52954 "2021-10-30T16:35:52Z")

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Hi all, Looking for ideas. I updated some nodes from the pallette manager this afternoon, and now NR is running very slowly. Take and age for the UI to load, Deploys take over 10 secs (used to be \<2s) and getting a num…

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## [Editable List: Is there a easy way to disable the sort and delete button](https://discourse.nodered.org/t/editable-list-is-there-a-easy-way-to-disable-the-sort-and-delete-button/52971)

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**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\
**Replies:** 7\
**Last updated:** [30 October 2021 16:25 UTC](https://discourse.nodered.org/t/editable-list-is-there-a-easy-way-to-disable-the-sort-and-delete-button/52971 "2021-10-30T16:25:42Z")

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Hi, a quick question. Is there an easy way to disable the sort handle and delete button for single entries in a editable list? I need default values "pinned" in the list. I can put the out of the list but this permanent…

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## [Switch node help](https://discourse.nodered.org/t/switch-node-help/52775)

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**Author:** [@mantellian](https://discourse.nodered.org/u/mantellian)\
**Replies:** 5\
**Last updated:** [30 October 2021 15:57 UTC](https://discourse.nodered.org/t/switch-node-help/52775 "2021-10-30T15:57:29Z")

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I’m attempting to use the payload from a temperature sensor as the property for a switch node. I also have a slider in Home Assistant that controls an input number in node red. I’m trying to take the payload form the inp…

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## [Help with Widget Design... Pretty Please!](https://discourse.nodered.org/t/help-with-widget-design-pretty-please/52978)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 0\
**Last updated:** [30 October 2021 14:56 UTC](https://discourse.nodered.org/t/help-with-widget-design-pretty-please/52978 "2021-10-30T14:56:39Z")

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Hi All, I have tried over the last week or two to wrap my head around widget design.... I am not coming right ... (well right enough to be self sustaining anyway...) I am looking for a pretty basic(I think) widget/scri…

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## [Question about JS function (return msg)](https://discourse.nodered.org/t/question-about-js-function-return-msg/52661)

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**Author:** [@xavier98](https://discourse.nodered.org/u/xavier98)\
**Replies:** 15\
**Last updated:** [30 October 2021 14:53 UTC](https://discourse.nodered.org/t/question-about-js-function-return-msg/52661 "2021-10-30T14:53:37Z")

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Hello to all, I come from the world of PLC programming so I'm not comfortable with javascript yet haha. I'm making a connected bar with Node-RED. I wanted to know where I should put "return msg (;)" in my code in order…

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## [How to setup Multiple BACnet Read](https://discourse.nodered.org/t/how-to-setup-multiple-bacnet-read/52838)

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**Author:** [@hula888](https://discourse.nodered.org/u/hula888)\
**Replies:** 6\
**Last updated:** [30 October 2021 14:22 UTC](https://discourse.nodered.org/t/how-to-setup-multiple-bacnet-read/52838 "2021-10-30T14:22:34Z")

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I am trying to use BACnet Read node to read multiple BACnet Object. Seems one Inject node and one BACnet Read node can only accept one object. If I create 10 read nodes to read from the same BACnet server, there will be…

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## [Node-Red Editor: I need a button that will add an input field](https://discourse.nodered.org/t/node-red-editor-i-need-a-button-that-will-add-an-input-field/52975)

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**Author:** [@larslehman1](https://discourse.nodered.org/u/larslehman1)\
**Replies:** 1\
**Last updated:** [30 October 2021 13:47 UTC](https://discourse.nodered.org/t/node-red-editor-i-need-a-button-that-will-add-an-input-field/52975 "2021-10-30T13:47:41Z")

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I am writing my own node. I need a button that will add an input field as soon as it is pressed. Are there instructions for my problem somewhere? or explain to me how I can implement this in Node-Red ? Thanks in advan…

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## [Influx db cloud help](https://discourse.nodered.org/t/influx-db-cloud-help/52941)

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**Author:** [@bbartling](https://discourse.nodered.org/u/bbartling)\
**Replies:** 9\
**Last updated:** [30 October 2021 12:37 UTC](https://discourse.nodered.org/t/influx-db-cloud-help/52941 "2021-10-30T12:37:33Z")

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Would anyone have some advise for how to send data to Influx db cloud? Would best practice to do this in Node Red or just consume the data directly on the cloud instance? For example my Node Red Flow I am consuming data…

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## [Raspberry PI 3 - GPIO status](https://discourse.nodered.org/t/raspberry-pi-3-gpio-status/15782)

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**Author:** [@S72TM](https://discourse.nodered.org/u/S72TM)\
**Replies:** 12\
**Last updated:** [30 October 2021 11:42 UTC](https://discourse.nodered.org/t/raspberry-pi-3-gpio-status/15782 "2021-10-30T11:42:22Z")

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HI, First of all I'm absolutely beginner in Node Red and I need some help. I'm trying for some days to get on dashboard status of 3 GPIO pins. My scenario, one short description :slight\_smile: I made short automation…

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## [Editable graph any suggestions please](https://discourse.nodered.org/t/editable-graph-any-suggestions-please/52936)

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**Author:** [@vikingsraven](https://discourse.nodered.org/u/vikingsraven)\
**Replies:** 7\
**Last updated:** [30 October 2021 10:38 UTC](https://discourse.nodered.org/t/editable-graph-any-suggestions-please/52936 "2021-10-30T10:38:02Z")

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Hi all, im trying to build a multi channel servo controller ill be using a PI 3B + with the i2c servo board ( 16 channels per board), what i would like to do is: Set a time period Realtime record servo positions ( ana…

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## [Importing multiple modules from same package](https://discourse.nodered.org/t/importing-multiple-modules-from-same-package/52966)

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**Author:** [@hoolahoous](https://discourse.nodered.org/u/hoolahoous)\
**Replies:** 1\
**Last updated:** [30 October 2021 08:28 UTC](https://discourse.nodered.org/t/importing-multiple-modules-from-same-package/52966 "2021-10-30T08:28:47Z")

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Hi I am using node-red 2.0.5. In a function node, I am trying to import FormData and File modules form GitHub - octet-stream/form-data: Spec-compliant FormData implementation for Node.js package. i.e. i am trying to f…

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## [Include Dashboard in Homepage with PHP](https://discourse.nodered.org/t/include-dashboard-in-homepage-with-php/52967)

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**Author:** [@Andreas703](https://discourse.nodered.org/u/Andreas703)\
**Replies:** 0\
**Last updated:** [30 October 2021 07:57 UTC](https://discourse.nodered.org/t/include-dashboard-in-homepage-with-php/52967 "2021-10-30T07:57:20Z")

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Hi, I want to include() (php) the dashboard in my Homepage because the users shouldnt see the adress of nodered. Because of the absolute paths of pictures and scripts I have the problem that it doesnt work. Is there a …

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## [Node red : insert js code on node-red function](https://discourse.nodered.org/t/node-red-insert-js-code-on-node-red-function/52956)

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**Author:** [@Djamel-png](https://discourse.nodered.org/u/Djamel-png)\
**Replies:** 2\
**Last updated:** [30 October 2021 07:54 UTC](https://discourse.nodered.org/t/node-red-insert-js-code-on-node-red-function/52956 "2021-10-30T07:54:52Z")

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Hello, I have a small project that I should to split the reading value from a sensor. The supplier of the sensor give a formula in order to decode the value of the actual reading I paste the deocoder function (.js) on…

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## [Node "Play Audio" and "Text-to-Speech" on a Raspberry Pi](https://discourse.nodered.org/t/node-play-audio-and-text-to-speech-on-a-raspberry-pi/40401)

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**Author:** [@omarecd](https://discourse.nodered.org/u/omarecd)\
**Replies:** 4\
**Last updated:** [30 October 2021 07:46 UTC](https://discourse.nodered.org/t/node-play-audio-and-text-to-speech-on-a-raspberry-pi/40401 "2021-10-30T07:46:36Z")

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Hello Guys. I discovered Node-RED days ago and I just love it ! I want to read some strings with the node "Play audio" but it's not possible. If I understand correctly, the text to speech will work only if "browser has…

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## [Missing 0 in hex output](https://discourse.nodered.org/t/missing-0-in-hex-output/52911)

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**Author:** [@New2Node](https://discourse.nodered.org/u/New2Node)\
**Replies:** 2\
**Last updated:** [30 October 2021 07:03 UTC](https://discourse.nodered.org/t/missing-0-in-hex-output/52911 "2021-10-30T07:03:47Z")

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Hi, I’m trying to fill missing “0” charters in a string. I have a XOR function that outputs an array, when I change this to a string it removes the leading zero which I need. E.g: BD 64 5A 44 5F DE 6 BA I need the ou…

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## [How to get a mid-point value form a msg.payload](https://discourse.nodered.org/t/how-to-get-a-mid-point-value-form-a-msg-payload/52962)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [30 October 2021 05:34 UTC](https://discourse.nodered.org/t/how-to-get-a-mid-point-value-form-a-msg-payload/52962 "2021-10-30T05:34:35Z")

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(Brain failure) I get a msg.payload and it looks something like: rgb,6,0,0,0 How do I parse the 6 in that - and make it a number. I'm guessing that will be with parseInt() But I can't for the life of me remember the…

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## [How to use two object values (date and time) to make timestamp](https://discourse.nodered.org/t/how-to-use-two-object-values-date-and-time-to-make-timestamp/52958)

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**Author:** [@shit5tain](https://discourse.nodered.org/u/shit5tain)\
**Replies:** 2\
**Last updated:** [29 October 2021 23:29 UTC](https://discourse.nodered.org/t/how-to-use-two-object-values-date-and-time-to-make-timestamp/52958 "2021-10-29T23:29:20Z")

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Hi, I have a msg with date and time separated in two elements, and I want to merge tha values from these two to be able to output a timestamp. Anybody know how I can make that happen in a function node? msg.payload.ori…

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## [Title Bar Manipulation](https://discourse.nodered.org/t/title-bar-manipulation/52951)

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**Author:** [@jgreenmt](https://discourse.nodered.org/u/jgreenmt)\
**Replies:** 1\
**Last updated:** [29 October 2021 21:30 UTC](https://discourse.nodered.org/t/title-bar-manipulation/52951 "2021-10-29T21:30:42Z")

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Hello, I am using the following code inside a template node to add a logo to the title bar. The image is displaying fine, but I have a couple of questions. \<style\> .md-toolbar-tools{ background-image: url("…

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