# Latest

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

---

## [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")

</div>

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

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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

---

## [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")

</div>

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 …

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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 …

---

## [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")

</div>

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. …

---

## [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")

</div>

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 …

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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 …

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [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")

</div>

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

---

## [Installation: Node-RED core 3.0.2 is not installed](https://discourse.nodered.org/t/installation-node-red-core-3-0-2-is-not-installed/75505)

<div class="topic-metadata">

**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\
**Replies:** 22\
**Last updated:** [27 February 2023 09:39 UTC](https://discourse.nodered.org/t/installation-node-red-core-3-0-2-is-not-installed/75505 "2023-02-27T09:39:30Z")

</div>

Hi, I know this should be a simple problem to solve, but is driving me crazy. I have installed node-red plenty of times, some problem to solve some times, but ok. Now I'm stuck here. It's a fresch buster legacy installat…

---

## [Get Tibber home ID from API-Key](https://discourse.nodered.org/t/get-tibber-home-id-from-api-key/75800)

<div class="topic-metadata">

**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 4\
**Last updated:** [27 February 2023 09:35 UTC](https://discourse.nodered.org/t/get-tibber-home-id-from-api-key/75800 "2023-02-27T09:35:11Z")

</div>

Hi, I´m using https://flows.nodered.org/node/node-red-contrib-tibber-api this requires the home ID for quering, from Tibber you get the API-Key, but not the home ID. Do you know how to get the home ID ?

---

## [Gauge property "Fill gauge from centre" assumes a symmetric differential range](https://discourse.nodered.org/t/gauge-property-fill-gauge-from-centre-assumes-a-symmetric-differential-range/75080)

<div class="topic-metadata">

**Author:** [@Tortax](https://discourse.nodered.org/u/Tortax)\
**Replies:** 2\
**Last updated:** [27 February 2023 07:44 UTC](https://discourse.nodered.org/t/gauge-property-fill-gauge-from-centre-assumes-a-symmetric-differential-range/75080 "2023-02-27T07:44:33Z")

</div>

Hello, I notice a somewhat weird looking gauge when using "Fill gauge from centre" together with a non-symmetric differential range. The new gauge property "Fill gauge from centre" seems to assume a symmetric different…

---

## [IKEA Tradfri Sockets from Loxone via Node-red/Loxone virtual output](https://discourse.nodered.org/t/ikea-tradfri-sockets-from-loxone-via-node-red-loxone-virtual-output/75789)

<div class="topic-metadata">

**Author:** [@jkosatko](https://discourse.nodered.org/u/jkosatko)\
**Replies:** 0\
**Last updated:** [27 February 2023 06:46 UTC](https://discourse.nodered.org/t/ikea-tradfri-sockets-from-loxone-via-node-red-loxone-virtual-output/75789 "2023-02-27T06:46:58Z")

</div>

Hello all, I have node-red connected to IKEA Tradfri Gateway and Loxone miniserver (using pallets node-red-contrib-loxone and node-red-contrib-ikea-tradfri) and it works fine for simple things. E.g. I can switch on/off …

---

## [How to send Free write data using modbus RTU?](https://discourse.nodered.org/t/how-to-send-free-write-data-using-modbus-rtu/75785)

<div class="topic-metadata">

**Author:** [@akatsuki92](https://discourse.nodered.org/u/akatsuki92)\
**Replies:** 0\
**Last updated:** [27 February 2023 03:53 UTC](https://discourse.nodered.org/t/how-to-send-free-write-data-using-modbus-rtu/75785 "2023-02-27T03:53:44Z")

</div>

I want send 01 16 10 10 00 01 02 00 00 352B to slave device. its must use 16H function code and 10 10 (hex) is the address to reset that device. what should i do? Please Help Me..

[Previous page](https://discourse.nodered.org/latest.md?page=387)

[Next page](https://discourse.nodered.org/latest.md?page=389)