# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=388

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

**Page:** 389

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## [Node RED on Pico - why is it not working?](https://discourse.nodered.org/t/node-red-on-pico-why-is-it-not-working/74092)

<div class="topic-metadata">

**Author:** [@beg1nner](https://discourse.nodered.org/u/beg1nner)\
**Replies:** 8\
**Last updated:** [28 February 2023 16:46 UTC](https://discourse.nodered.org/t/node-red-on-pico-why-is-it-not-working/74092 "2023-02-28T16:46:57Z")

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Hi there, I'd like to know why my project isn't working. On my Raspberry Pi (4B) I've created a WIFI-accesspoint with RaspAP. My Pi should also work as a Node-RED-broker. After that I've connected a Raspberry Pi Pico …

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## [Node Red crashed](https://discourse.nodered.org/t/node-red-crashed/75840)

<div class="topic-metadata">

**Author:** [@ChrisF](https://discourse.nodered.org/u/ChrisF)\
**Replies:** 8\
**Last updated:** [28 February 2023 16:32 UTC](https://discourse.nodered.org/t/node-red-crashed/75840 "2023-02-28T16:32:10Z")

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Hello all, a small or big problem. I have installed a package under NodeRed. After that the porgram is crashed and is no longer reachable under the IP:1880. Also the dashboard is not. Is it still possible to save the …

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## [Modbus physical wiring cat 6](https://discourse.nodered.org/t/modbus-physical-wiring-cat-6/75833)

<div class="topic-metadata">

**Author:** [@znetsixe](https://discourse.nodered.org/u/znetsixe)\
**Replies:** 9\
**Last updated:** [28 February 2023 15:53 UTC](https://discourse.nodered.org/t/modbus-physical-wiring-cat-6/75833 "2023-02-28T15:53:45Z")

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Hoping to pick your brains. First time working with rs485 modbus and was wondering if some1 could share the way you can easy and properly daisy chain / plug cat6 cable into connectors like the picture below. Using cabl…

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## [Discussion about finding help in NR documentation](https://discourse.nodered.org/t/discussion-about-finding-help-in-nr-documentation/75868)

<div class="topic-metadata">

**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 10\
**Last updated:** [28 February 2023 11:12 UTC](https://discourse.nodered.org/t/discussion-about-finding-help-in-nr-documentation/75868 "2023-02-28T11:12:57Z")

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A different topic expanded into a discussion about how users can find information in the NR documentation, so moved here in it's own thread. The specific subject was finding how to use the 'safe' mode.

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## [HTTP endpoint creation problem](https://discourse.nodered.org/t/http-endpoint-creation-problem/75875)

<div class="topic-metadata">

**Author:** [@Acii](https://discourse.nodered.org/u/Acii)\
**Replies:** 6\
**Last updated:** [28 February 2023 15:45 UTC](https://discourse.nodered.org/t/http-endpoint-creation-problem/75875 "2023-02-28T15:45:24Z")

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Hello everyone, I explain the context, it is very simple to understand, I have a flow that compares two numerical variables, these values come from an HTTP request. Depending on the values of the two numeric variable…

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## [Simple counter with python context.get('count')](https://discourse.nodered.org/t/simple-counter-with-python-context-get-count/75709)

<div class="topic-metadata">

**Author:** [@superlogan72](https://discourse.nodered.org/u/superlogan72)\
**Replies:** 11\
**Last updated:** [28 February 2023 14:58 UTC](https://discourse.nodered.org/t/simple-counter-with-python-context-get-count/75709 "2023-02-28T14:58:57Z")

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I have seen one example of of simple counter in js var count=context.get('count') there is similar function that i can use in python with node red

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## [Sharing files between two RPi devices on the same network](https://discourse.nodered.org/t/sharing-files-between-two-rpi-devices-on-the-same-network/75684)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 17\
**Last updated:** [28 February 2023 14:17 UTC](https://discourse.nodered.org/t/sharing-files-between-two-rpi-devices-on-the-same-network/75684 "2023-02-28T14:17:47Z")

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A couple of my students have been using the 'pdfmake' node to create a PDF version of a text-based newsletter. Another student has been using the Telegram node to send messages and photos to a mobile phone. I suggested t…

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## [ELOGIN; MSSQL Login failed](https://discourse.nodered.org/t/elogin-mssql-login-failed/75862)

<div class="topic-metadata">

**Author:** [@Markus712712](https://discourse.nodered.org/u/Markus712712)\
**Replies:** 6\
**Last updated:** [28 February 2023 12:21 UTC](https://discourse.nodered.org/t/elogin-mssql-login-failed/75862 "2023-02-28T12:21:12Z")

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Hi, I am using NodeRed verion v3.0.2 and Node.js version v18.14.2. I want to connect NodeRed with my MSSQL (2019) DB but get the "login failed for user" error everytime. I tried everything (other users/passwords/reinst…

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## [Ui\_chart how do i start the chart at a specific time (Start midnight every day)](https://discourse.nodered.org/t/ui-chart-how-do-i-start-the-chart-at-a-specific-time-start-midnight-every-day/75838)

<div class="topic-metadata">

**Author:** [@Joachim](https://discourse.nodered.org/u/Joachim)\
**Replies:** 2\
**Last updated:** [28 February 2023 10:46 UTC](https://discourse.nodered.org/t/ui-chart-how-do-i-start-the-chart-at-a-specific-time-start-midnight-every-day/75838 "2023-02-28T10:46:04Z")

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Hi there, I'm using the ui chart from node-red-dashboard version 3.2.3 I get power readings from my power meter. In the chart i chose Data for one day to see the power over a hole day. How can I make the chart always…

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## [Function node - Calculate and filter messages](https://discourse.nodered.org/t/function-node-calculate-and-filter-messages/75288)

<div class="topic-metadata">

**Author:** [@niehans](https://discourse.nodered.org/u/niehans)\
**Replies:** 6\
**Last updated:** [28 February 2023 10:26 UTC](https://discourse.nodered.org/t/function-node-calculate-and-filter-messages/75288 "2023-02-28T10:26:01Z")

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I have this input \[{"id":"0ffff120ea2c2c27","type":"inject","z":"f6f2187d.f17ca8","name":"","props":\[{"p":"payload"}\],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"{\\"AI1-lux\\":962,\\"AI2…

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## [Buffer parser to reverse](https://discourse.nodered.org/t/buffer-parser-to-reverse/75860)

<div class="topic-metadata">

**Author:** [@Kursat](https://discourse.nodered.org/u/Kursat)\
**Replies:** 4\
**Last updated:** [28 February 2023 08:00 UTC](https://discourse.nodered.org/t/buffer-parser-to-reverse/75860 "2023-02-28T08:00:44Z")

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I converted the data that came with the buffer parser node to string, but it was reversed in binary, how can I fix this?

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## [MQTT data logs in SQL server always shifting](https://discourse.nodered.org/t/mqtt-data-logs-in-sql-server-always-shifting/75851)

<div class="topic-metadata">

**Author:** [@SIW](https://discourse.nodered.org/u/SIW)\
**Replies:** 2\
**Last updated:** [28 February 2023 07:16 UTC](https://discourse.nodered.org/t/mqtt-data-logs-in-sql-server-always-shifting/75851 "2023-02-28T07:16:25Z")

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I am using Node-Red to log MQTT data in SQL server. It works fine for a few minutes and it won't write on to proper columns. Appreciate it if anyone helps me to fix this issue. Following is a sample log, Here is my …

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## [Trigger output of second subflow instance when input on first](https://discourse.nodered.org/t/trigger-output-of-second-subflow-instance-when-input-on-first/75155)

<div class="topic-metadata">

**Author:** [@jo3ran](https://discourse.nodered.org/u/jo3ran)\
**Replies:** 8\
**Last updated:** [28 February 2023 06:59 UTC](https://discourse.nodered.org/t/trigger-output-of-second-subflow-instance-when-input-on-first/75155 "2023-02-28T06:59:34Z")

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Dear knights of Node-RED, since I'm new to this Forum: Hi, my name is Jöran and I'm using NR mainly for added functionality of my KNX setup but also to integrate other somewhat smart devices like Fritz, Sonos, ... Here…

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## [Firebase Credentials error](https://discourse.nodered.org/t/firebase-credentials-error/75588)

<div class="topic-metadata">

**Author:** [@Maruthi](https://discourse.nodered.org/u/Maruthi)\
**Replies:** 6\
**Last updated:** [28 February 2023 06:25 UTC](https://discourse.nodered.org/t/firebase-credentials-error/75588 "2023-02-28T06:25:43Z")

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I'm using the below mentioned firebase node node-red-firebase 0.1.0 Getting credentials null error, not getting where to assign the credentials, only these two fields are available at the node setting Only these 3 n…

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## [Node-Red compatibility with PICkit 4 In-Circuit Debugger](https://discourse.nodered.org/t/node-red-compatibility-with-pickit-4-in-circuit-debugger/75618)

<div class="topic-metadata">

**Author:** [@aisyahshamsaimun](https://discourse.nodered.org/u/aisyahshamsaimun)\
**Replies:** 3\
**Last updated:** [27 February 2023 21:31 UTC](https://discourse.nodered.org/t/node-red-compatibility-with-pickit-4-in-circuit-debugger/75618 "2023-02-27T21:31:00Z")

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Hi I would like to know if it's possible to use Node-Red instead of MPLAB X IDE to utilize the PICkit 4 programmer/debugger to program my device. I've been looking for information regarding this topic but couldn't find…

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## [Minimum autoscale for artless chart](https://discourse.nodered.org/t/minimum-autoscale-for-artless-chart/75452)

<div class="topic-metadata">

**Author:** [@rxdeath](https://discourse.nodered.org/u/rxdeath)\
**Replies:** 3\
**Last updated:** [27 February 2023 22:44 UTC](https://discourse.nodered.org/t/minimum-autoscale-for-artless-chart/75452 "2023-02-27T22:44:43Z")

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is there a way to configure the autoscale so it has a floor resolution? i'm doing temperature stuff and at .1 resolution it looks like /\\/////// when sitting idle. i would like it if it could 'zoom out' but still use…

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## [Modbus write/read collisions](https://discourse.nodered.org/t/modbus-write-read-collisions/74962)

<div class="topic-metadata">

**Author:** [@rxdeath](https://discourse.nodered.org/u/rxdeath)\
**Replies:** 9\
**Last updated:** [27 February 2023 22:43 UTC](https://discourse.nodered.org/t/modbus-write-read-collisions/74962 "2023-02-27T22:43:50Z")

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i'm using rs485 modbus on a project, i have around 6 flex getter nodes, and 2 flex write nodes on different flows. what i notice is when i have a flex read interval of 1 second, the write node is stuck in queuing mode a…

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## [Node js classes and functions within classes](https://discourse.nodered.org/t/node-js-classes-and-functions-within-classes/75725)

<div class="topic-metadata">

**Author:** [@znetsixe](https://discourse.nodered.org/u/znetsixe)\
**Replies:** 17\
**Last updated:** [27 February 2023 21:33 UTC](https://discourse.nodered.org/t/node-js-classes-and-functions-within-classes/75725 "2023-02-27T21:33:42Z")

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Hey all, I have some issues understanding NODEJS syntaxing. Im used to working with php code. So im trying to do something I did prior in node js but failing :slight\_smile: ''' inside a class Machine I use this code …

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## [Switch forwarding on or off](https://discourse.nodered.org/t/switch-forwarding-on-or-off/75831)

<div class="topic-metadata">

**Author:** [@ChrisF](https://discourse.nodered.org/u/ChrisF)\
**Replies:** 2\
**Last updated:** [27 February 2023 20:37 UTC](https://discourse.nodered.org/t/switch-forwarding-on-or-off/75831 "2023-02-27T20:37:04Z")

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Hello, I have a humidity sensor that triggers and passes on an Actions at your certain value. I would like to put a switch in between and switch the forwarding on or off. So whether the function is enabled or disabled. …

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## [Npm install node-red-contrib-fs-ops not installed](https://discourse.nodered.org/t/npm-install-node-red-contrib-fs-ops-not-installed/75808)

<div class="topic-metadata">

**Author:** [@Giacomo23](https://discourse.nodered.org/u/Giacomo23)\
**Replies:** 21\
**Last updated:** [27 February 2023 20:31 UTC](https://discourse.nodered.org/t/npm-install-node-red-contrib-fs-ops-not-installed/75808 "2023-02-27T20:31:13Z")

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hi all, I'm trying to install a node using the npm command from the terminal, using the following command "npm install node-red-contrib-fs-ops". The command doesn't give me any problems but when I go to look for the …

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## [RequestError: Invalid object name](https://discourse.nodered.org/t/requesterror-invalid-object-name/75556)

<div class="topic-metadata">

**Author:** [@sgoics](https://discourse.nodered.org/u/sgoics)\
**Replies:** 4\
**Last updated:** [27 February 2023 18:40 UTC](https://discourse.nodered.org/t/requesterror-invalid-object-name/75556 "2023-02-27T18:40:52Z")

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Hi. New to node-red. It's been working great to monitor MSS tables that are updated on a schedule. But working with this specific Database is giving me issues. The error is "RequestError: Invalid object name 'WASP.dbo.W…

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## [Return only Ids that have not been checked](https://discourse.nodered.org/t/return-only-ids-that-have-not-been-checked/75713)

<div class="topic-metadata">

**Author:** [@sgoics](https://discourse.nodered.org/u/sgoics)\
**Replies:** 4\
**Last updated:** [27 February 2023 18:29 UTC](https://discourse.nodered.org/t/return-only-ids-that-have-not-been-checked/75713 "2023-02-27T18:29:41Z")

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Hi again! I have a flow that when ran, checks for a certain string from a table via mssql, then spits the alert out in the form of an email. That all works fine. However, I don't want it to keep sending out the same one…

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## [Move Data Based on Time](https://discourse.nodered.org/t/move-data-based-on-time/75817)

<div class="topic-metadata">

**Author:** [@Kimber](https://discourse.nodered.org/u/Kimber)\
**Replies:** 8\
**Last updated:** [27 February 2023 17:57 UTC](https://discourse.nodered.org/t/move-data-based-on-time/75817 "2023-02-27T17:57:46Z")

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I'm new to the sofware, so patience please.... I have some data moving from an EthIP In node to a InfluxDB node. Currently, this is happening every scan of the PC. I want to set it up so it will move the data on time …

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## [Ui Builder Script to get output](https://discourse.nodered.org/t/ui-builder-script-to-get-output/75407)

<div class="topic-metadata">

**Author:** [@Worscht](https://discourse.nodered.org/u/Worscht)\
**Replies:** 27\
**Last updated:** [27 February 2023 16:54 UTC](https://discourse.nodered.org/t/ui-builder-script-to-get-output/75407 "2023-02-27T16:54:47Z")

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Hello, today i tryed the Ui builder and i have some nice Buttons that i tryed to use. The Frontend works great but can someone help me how i send something to node red when i push a Button and how i can switch a Button…

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## [How can i populated value to JSON payload](https://discourse.nodered.org/t/how-can-i-populated-value-to-json-payload/75818)

<div class="topic-metadata">

**Author:** [@rchandrashekar53](https://discourse.nodered.org/u/rchandrashekar53)\
**Replies:** 2\
**Last updated:** [27 February 2023 16:15 UTC](https://discourse.nodered.org/t/how-can-i-populated-value-to-json-payload/75818 "2023-02-27T16:15:40Z")

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Hi, i do have a function node where i build a JSON message based on the set points. However as you observer i do have a parent node "01" this refers to the data packet which i receive from the global.get("currentDataP…

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## [Palette view, Category name, Core, Sorting, Category name key words](https://discourse.nodered.org/t/palette-view-category-name-core-sorting-category-name-key-words/75767)

<div class="topic-metadata">

**Author:** [@fgustafsson](https://discourse.nodered.org/u/fgustafsson)\
**Replies:** 6\
**Last updated:** [27 February 2023 14:10 UTC](https://discourse.nodered.org/t/palette-view-category-name-core-sorting-category-name-key-words/75767 "2023-02-27T14:10:40Z")

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In the palette view Nodes get category that are stored in a list of some order. The name could be Capitalised, lowercase. 3th party nodes could also use the same category as core nodes. This feature request is about org…

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## [Problem sending FLOAT data and DW with MCprotocol](https://discourse.nodered.org/t/problem-sending-float-data-and-dw-with-mcprotocol/75807)

<div class="topic-metadata">

**Author:** [@Seadiver](https://discourse.nodered.org/u/Seadiver)\
**Replies:** 2\
**Last updated:** [27 February 2023 13:18 UTC](https://discourse.nodered.org/t/problem-sending-float-data-and-dw-with-mcprotocol/75807 "2023-02-27T13:18:48Z")

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Hi I'm setting up a Node-red project were I need to be able to send and receive data from a Mitsubishi FX5 CPU. Reading data is not an issue but I am struggling with writing data. I can not figure out how to write to a…

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## [Inject Chart.js array data into UI Builder](https://discourse.nodered.org/t/inject-chart-js-array-data-into-ui-builder/75777)

<div class="topic-metadata">

**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 12\
**Last updated:** [27 February 2023 12:59 UTC](https://discourse.nodered.org/t/inject-chart-js-array-data-into-ui-builder/75777 "2023-02-27T12:59:00Z")

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Hello, I am trying to learn how to use UI Builder and I have successfully installed v6. I have set up a test flow where I am using the Vue and Bootstrap template. At this point I am able to create a a simple web page…

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## [Could not read float vlaues](https://discourse.nodered.org/t/could-not-read-float-vlaues/75801)

<div class="topic-metadata">

**Author:** [@Henri](https://discourse.nodered.org/u/Henri)\
**Replies:** 10\
**Last updated:** [27 February 2023 12:43 UTC](https://discourse.nodered.org/t/could-not-read-float-vlaues/75801 "2023-02-27T12:43:45Z")

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Hello, i am new in node-red. i am reading meter values (floating). but i got stucked. please help me. my code is \[{"id":"aec06046.b9d77","type":"modbus-read","z":"ca242bfe.757a08","name":"","topic":"","showStatusA…

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## [I can't install node-red-contrib-modbus in MAC](https://discourse.nodered.org/t/i-cant-install-node-red-contrib-modbus-in-mac/75786)

<div class="topic-metadata">

**Author:** [@Lim](https://discourse.nodered.org/u/Lim)\
**Replies:** 2\
**Last updated:** [27 February 2023 09:38 UTC](https://discourse.nodered.org/t/i-cant-install-node-red-contrib-modbus-in-mac/75786 "2023-02-27T09:38:02Z")

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For some reasons, I can't install node-red-contrib-modbus into MAC. I tried to install using the command ofnpm install -g node-red-contrib-modbus. Then the message says that I don't have access permission

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