# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=585

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

**Page:** 586

---

## [UPS advice and node red](https://discourse.nodered.org/t/ups-advice-and-node-red/41836)

<div class="topic-metadata">

**Author:** [@877](https://discourse.nodered.org/u/877)\
**Replies:** 10\
**Last updated:** [17 March 2021 19:58 UTC](https://discourse.nodered.org/t/ups-advice-and-node-red/41836 "2021-03-17T19:58:23Z")

</div>

I'm purchasing a APC BX1400UI UPS, and wanted to check a few things first. I saw @TotallyInformation has/had a similar setup, so I hope you don't mind me tagging you? Equipment to be connected is: RasPi 4 running node…

---

## [Node-RED Projects - Problem with certificate from own Gitlab instance](https://discourse.nodered.org/t/node-red-projects-problem-with-certificate-from-own-gitlab-instance/42782)

<div class="topic-metadata">

**Author:** [@t.vogel](https://discourse.nodered.org/u/t.vogel)\
**Replies:** 0\
**Last updated:** [17 March 2021 18:08 UTC](https://discourse.nodered.org/t/node-red-projects-problem-with-certificate-from-own-gitlab-instance/42782 "2021-03-17T18:08:56Z")

</div>

Hi, i have my own gitlab instance in my network. I wanted to connect Node-RED to my gitlab via the projects function. Unfortunately, when I submit the remote connection in Node-RED, I get this error message when creatin…

---

## [Can read photo in but not process](https://discourse.nodered.org/t/can-read-photo-in-but-not-process/42639)

<div class="topic-metadata">

**Author:** [@fugit185](https://discourse.nodered.org/u/fugit185)\
**Replies:** 11\
**Last updated:** [17 March 2021 17:19 UTC](https://discourse.nodered.org/t/can-read-photo-in-but-not-process/42639 "2021-03-17T17:19:38Z")

</div>

I can take photo in using node-red-contrib-image-tools image viewer but when I try to process it nothing happens. It works small sample photos like 160x30 but when I take in 600x508 and try to prosess it, nothing happen…

---

## [Configuration error the certificate and the private key do not match](https://discourse.nodered.org/t/configuration-error-the-certificate-and-the-private-key-do-not-match/40943)

<div class="topic-metadata">

**Author:** [@Jamil100](https://discourse.nodered.org/u/Jamil100)\
**Replies:** 1\
**Last updated:** [17 March 2021 15:18 UTC](https://discourse.nodered.org/t/configuration-error-the-certificate-and-the-private-key-do-not-match/40943 "2021-03-17T15:18:24Z")

</div>

Hello, I am trying to connect to an OPC UA Client. I have put the endpoint URL but I am getting this error. Does anyone know how to solve this?

---

## [JSON Node - Schema validation](https://discourse.nodered.org/t/json-node-schema-validation/2574)

<div class="topic-metadata">

**Author:** [@tmdoit](https://discourse.nodered.org/u/tmdoit)\
**Replies:** 12\
**Last updated:** [17 March 2021 14:50 UTC](https://discourse.nodered.org/t/json-node-schema-validation/2574 "2021-03-17T14:50:18Z")

</div>

Is it possible to validate JSON object schema without converting it to string? I just want to validate it, not convert.

---

## [Store Binary Sensor Status and check it at certain time](https://discourse.nodered.org/t/store-binary-sensor-status-and-check-it-at-certain-time/42767)

<div class="topic-metadata">

**Author:** [@katya](https://discourse.nodered.org/u/katya)\
**Replies:** 2\
**Last updated:** [17 March 2021 11:14 UTC](https://discourse.nodered.org/t/store-binary-sensor-status-and-check-it-at-certain-time/42767 "2021-03-17T11:14:37Z")

</div>

I have a sensor that sends an MQTT message when it is open and closed. Which node should I use to update the sensor status and store this information whether its open or closed? I want to check if the sensor status is o…

---

## [TypeError: Cannot read property 'brightness' of undefined](https://discourse.nodered.org/t/typeerror-cannot-read-property-brightness-of-undefined/42764)

<div class="topic-metadata">

**Author:** [@Toster](https://discourse.nodered.org/u/Toster)\
**Replies:** 9\
**Last updated:** [17 March 2021 11:06 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-property-brightness-of-undefined/42764 "2021-03-17T11:06:27Z")

</div>

Hi, I'm using node-red-contrib-googlehome to connect my google home with node red and i have a problem when using a node that simulates color light the function node that is after it throws this error: "TypeError: Cann…

---

## [Help : TypeError: Cannot read property 'x' of undefined](https://discourse.nodered.org/t/help-typeerror-cannot-read-property-x-of-undefined/42765)

<div class="topic-metadata">

**Author:** [@med](https://discourse.nodered.org/u/med)\
**Replies:** 6\
**Last updated:** [17 March 2021 10:49 UTC](https://discourse.nodered.org/t/help-typeerror-cannot-read-property-x-of-undefined/42765 "2021-03-17T10:49:40Z")

</div>

hello, guys, I'm new here and I wanna your help, please so my problem is when I want to save data i got this error TypeError: Cannot read property 'x' of undefined .

---

## [Log data into text file](https://discourse.nodered.org/t/log-data-into-text-file/42716)

<div class="topic-metadata">

**Author:** [@sathishkumarc14](https://discourse.nodered.org/u/sathishkumarc14)\
**Replies:** 3\
**Last updated:** [17 March 2021 10:12 UTC](https://discourse.nodered.org/t/log-data-into-text-file/42716 "2021-03-17T10:12:52Z")

</div>

I am having a scenario as follows, TCP listener node receives a message and storing at text (each line have the payload). And it is connected with 5000 client connections and receiving data with every 1 minute. \[{"id"…

---

## [AWS not accepting to send to address like mysite.com:8443/topic](https://discourse.nodered.org/t/aws-not-accepting-to-send-to-address-like-mysite-com-8443-topic/41820)

<div class="topic-metadata">

**Author:** [@aarne](https://discourse.nodered.org/u/aarne)\
**Replies:** 2\
**Last updated:** [17 March 2021 10:04 UTC](https://discourse.nodered.org/t/aws-not-accepting-to-send-to-address-like-mysite-com-8443-topic/41820 "2021-03-17T10:04:49Z")

</div>

I have set up server on DigitalOcean with LAMP and running Node-Red succefully. Also set up Letsencrypt certicates, and I am able to post data form my desktop Postman to the address on the topicline. :grinning: Howeve…

---

## [Node Red Not working ! Nodes not installing!](https://discourse.nodered.org/t/node-red-not-working-nodes-not-installing/32629)

<div class="topic-metadata">

**Author:** [@Peter](https://discourse.nodered.org/u/Peter)\
**Replies:** 48\
**Last updated:** [17 March 2021 09:27 UTC](https://discourse.nodered.org/t/node-red-not-working-nodes-not-installing/32629 "2021-03-17T09:27:55Z")

</div>

HI Guys, I am stuck with an issue for more than 3 days now, with little to no sleep with Ondes that don't want to install or to work with errors. Please NOTE: this is not the first time that I attempt to install nodes …

---

## [Has anyone created a scatter/bubble plot?](https://discourse.nodered.org/t/has-anyone-created-a-scatter-bubble-plot/2583)

<div class="topic-metadata">

**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 14\
**Last updated:** [17 March 2021 09:15 UTC](https://discourse.nodered.org/t/has-anyone-created-a-scatter-bubble-plot/2583 "2021-03-17T09:15:30Z")

</div>

I'm looking to plot some data - a bunch of points both positive and negative, and want to visualize them. I'm looking to create a scatter plot but haven't been able to find an example. Before I go off and try to build …

---

## [Inserting data from modbus into a SQL database](https://discourse.nodered.org/t/inserting-data-from-modbus-into-a-sql-database/42741)

<div class="topic-metadata">

**Author:** [@santos](https://discourse.nodered.org/u/santos)\
**Replies:** 10\
**Last updated:** [17 March 2021 06:51 UTC](https://discourse.nodered.org/t/inserting-data-from-modbus-into-a-sql-database/42741 "2021-03-17T06:51:39Z")

</div>

The problem is when inserting data from modbus into a SQL database. I use phpMyadmin to create the SQL database, that's right. Modbus and Database nodes work well, but I can't pass the array on the function nodes (con…

---

## [Node-RED app on Heroku suddenly experiencing fatal crashes](https://discourse.nodered.org/t/node-red-app-on-heroku-suddenly-experiencing-fatal-crashes/42748)

<div class="topic-metadata">

**Author:** [@utmostGrandPoobah](https://discourse.nodered.org/u/utmostGrandPoobah)\
**Replies:** 0\
**Last updated:** [16 March 2021 23:07 UTC](https://discourse.nodered.org/t/node-red-app-on-heroku-suddenly-experiencing-fatal-crashes/42748 "2021-03-16T23:07:31Z")

</div>

This issue does seem specific to this Node-RED-Heroku repo that I used to install Node-RED as a Heroku element. I am considering completely dumping this app but thought I'd be able to get some guidance for salvaging thi…

---

## [Accessing msg.payload Object of Objects with dynamic inner object names](https://discourse.nodered.org/t/accessing-msg-payload-object-of-objects-with-dynamic-inner-object-names/42742)

<div class="topic-metadata">

**Author:** [@Huda](https://discourse.nodered.org/u/Huda)\
**Replies:** 15\
**Last updated:** [16 March 2021 22:54 UTC](https://discourse.nodered.org/t/accessing-msg-payload-object-of-objects-with-dynamic-inner-object-names/42742 "2021-03-16T22:54:11Z")

</div>

Hello everyone, I have the following msg.payload object output: where in the future, there will be numerous objects inside (not just 1063960). I would like to iterate across the objects and access the ID field in ea…

---

## [Problem with johnny-five version 2.0](https://discourse.nodered.org/t/problem-with-johnny-five-version-2-0/42739)

<div class="topic-metadata">

**Author:** [@JK40105](https://discourse.nodered.org/u/JK40105)\
**Replies:** 0\
**Last updated:** [16 March 2021 16:44 UTC](https://discourse.nodered.org/t/problem-with-johnny-five-version-2-0/42739 "2021-03-16T16:44:11Z")

</div>

I use Node-red version 1.2.6 with johnny-five 1.5.0 and the normal settings.js entry jfive:require("johnny-five"), j5board:require("johnny-five").Board({port:"COM5", repl:false}) After upgrading to johnny-five version …

---

## [Can a node run in-browser or must it run on nodejs?](https://discourse.nodered.org/t/can-a-node-run-in-browser-or-must-it-run-on-nodejs/42687)

<div class="topic-metadata">

**Author:** [@vegabook](https://discourse.nodered.org/u/vegabook)\
**Replies:** 10\
**Last updated:** [16 March 2021 21:49 UTC](https://discourse.nodered.org/t/can-a-node-run-in-browser-or-must-it-run-on-nodejs/42687 "2021-03-16T21:49:41Z")

</div>

Is there a way to instruct a node in a flow, or indeed the entire flow, to run in the browser as opposed to on the server side node-js? I'm thinking of situations where proprietary on-site data must not leave the premis…

---

## [When is a string not a string](https://discourse.nodered.org/t/when-is-a-string-not-a-string/42714)

<div class="topic-metadata">

**Author:** [@smithy](https://discourse.nodered.org/u/smithy)\
**Replies:** 12\
**Last updated:** [16 March 2021 19:49 UTC](https://discourse.nodered.org/t/when-is-a-string-not-a-string/42714 "2021-03-16T19:49:09Z")

</div>

Hi I have flow which reads the binary state(Active/InActive) of a sensor using a std tcp request, it reads an ASCI buffer to send an alarm message based on the buffer string, a message is then sent to pushover which wo…

---

## [Join Node As Function Node](https://discourse.nodered.org/t/join-node-as-function-node/42489)

<div class="topic-metadata">

**Author:** [@ivexy24](https://discourse.nodered.org/u/ivexy24)\
**Replies:** 21\
**Last updated:** [16 March 2021 19:40 UTC](https://discourse.nodered.org/t/join-node-as-function-node/42489 "2021-03-16T19:40:14Z")

</div>

Is it possible to create a function node that combines two payloads while still having the functionallity?

---

## [Date/Time in Node-Red (with ioBroker)](https://discourse.nodered.org/t/date-time-in-node-red-with-iobroker/42718)

<div class="topic-metadata">

**Author:** [@franzda](https://discourse.nodered.org/u/franzda)\
**Replies:** 3\
**Last updated:** [16 March 2021 17:16 UTC](https://discourse.nodered.org/t/date-time-in-node-red-with-iobroker/42718 "2021-03-16T17:16:34Z")

</div>

Hello, can someone give me a hint where can I read about date/time storage and display in Node Red with ioBroker My situation. ioBroker objects last update --\> 2021-03-13T11: 28: 45.997Z Node Red date / time format …

---

## [Modbus TCP Multi Data Type](https://discourse.nodered.org/t/modbus-tcp-multi-data-type/42734)

<div class="topic-metadata">

**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 1\
**Last updated:** [16 March 2021 16:41 UTC](https://discourse.nodered.org/t/modbus-tcp-multi-data-type/42734 "2021-03-16T16:41:41Z")

</div>

Hello Folks, I hope you\`re all having an epic day. I am currently trying to read a tcp register however the tcp register has different data types. What I am finding is that the TCP read wont work (yet still show active…

---

## [Any way to update data from sqlite database two table on dashboard](https://discourse.nodered.org/t/any-way-to-update-data-from-sqlite-database-two-table-on-dashboard/42720)

<div class="topic-metadata">

**Author:** [@Dgillett](https://discourse.nodered.org/u/Dgillett)\
**Replies:** 2\
**Last updated:** [16 March 2021 16:37 UTC](https://discourse.nodered.org/t/any-way-to-update-data-from-sqlite-database-two-table-on-dashboard/42720 "2021-03-16T16:37:39Z")

</div>

Currently I have been using node-red to send MQTT data to a SQLite Database and store the data. I then used the dashboard for end users on the production floor to see the last 25 rows in the database. I used the templat…

---

## [Serial port binary buffer config serves string](https://discourse.nodered.org/t/serial-port-binary-buffer-config-serves-string/17875)

<div class="topic-metadata">

**Author:** [@moovida](https://discourse.nodered.org/u/moovida)\
**Replies:** 15\
**Last updated:** [14 November 2019 11:25 UTC](https://discourse.nodered.org/t/serial-port-binary-buffer-config-serves-string/17875 "2019-11-14T11:25:12Z")

</div>

Hello everyone, I am struggling with the proper configuration of the node-serialport node. While it generally works very well, I have not been able to make it serve a binary buffer. This is my setting: If I attach …

---

## [Setting Node(Pushover) property with dashboard switch](https://discourse.nodered.org/t/setting-node-pushover-property-with-dashboard-switch/42722)

<div class="topic-metadata">

**Author:** [@smithy](https://discourse.nodered.org/u/smithy)\
**Replies:** 0\
**Last updated:** [16 March 2021 14:17 UTC](https://discourse.nodered.org/t/setting-node-pushover-property-with-dashboard-switch/42722 "2021-03-16T14:17:20Z")

</div>

Hi I would like to a use a dashboard switch to set the priority property(msg.priority) of the pushover node. I would like some design guidance please, this is what i'm thinking. Declare flow/global variable (sensorx\_mp…

---

## [MSSQL Node Transfer Failure](https://discourse.nodered.org/t/mssql-node-transfer-failure/42713)

<div class="topic-metadata">

**Author:** [@Eintracht00](https://discourse.nodered.org/u/Eintracht00)\
**Replies:** 1\
**Last updated:** [16 March 2021 13:29 UTC](https://discourse.nodered.org/t/mssql-node-transfer-failure/42713 "2021-03-16T13:29:23Z")

</div>

Hello i have a big problem. I receive data from a MQTT Broker via HTTP - Request, that works. I split the Data into Key:Value, that works too. now i want to become some Data to my MSSQL Server with the node MSSQL PLUS…

---

## [Run InfluxDB query and display in debug](https://discourse.nodered.org/t/run-influxdb-query-and-display-in-debug/42681)

<div class="topic-metadata">

**Author:** [@ayozzet](https://discourse.nodered.org/u/ayozzet)\
**Replies:** 18\
**Last updated:** [16 March 2021 12:33 UTC](https://discourse.nodered.org/t/run-influxdb-query-and-display-in-debug/42681 "2021-03-16T12:33:44Z")

</div>

Hi. I need help from you guys who can help me. I'm not good in node red but I'm trying to. I want to run a InfluxDB query syntax from node-red and display the result in debug. I noted that @Colin had been replied to sim…

---

## [Maximum file size can handle by Node RED](https://discourse.nodered.org/t/maximum-file-size-can-handle-by-node-red/42689)

<div class="topic-metadata">

**Author:** [@sathishkumarc14](https://discourse.nodered.org/u/sathishkumarc14)\
**Replies:** 3\
**Last updated:** [16 March 2021 10:45 UTC](https://discourse.nodered.org/t/maximum-file-size-can-handle-by-node-red/42689 "2021-03-16T10:45:33Z")

</div>

Hi, We are using file in node to read text file. What is the maximum size of file can handle by node red?

---

## [Telegrambot receiver node - ChatIds property](https://discourse.nodered.org/t/telegrambot-receiver-node-chatids-property/42351)

<div class="topic-metadata">

**Author:** [@Djibril](https://discourse.nodered.org/u/Djibril)\
**Replies:** 12\
**Last updated:** [16 March 2021 10:31 UTC](https://discourse.nodered.org/t/telegrambot-receiver-node-chatids-property/42351 "2021-03-16T10:31:07Z")

</div>

Hi, I'm trying to create a Telegram bot, and I noticed I can specify ChatIds (or Users) in Telegram Receiver node in order to authorize or not messages. Is there a way to update the ChatIds property from a configuratio…

---

## [2 Dimensional Array averaging](https://discourse.nodered.org/t/2-dimensional-array-averaging/42696)

<div class="topic-metadata">

**Author:** [@kyleritchie](https://discourse.nodered.org/u/kyleritchie)\
**Replies:** 7\
**Last updated:** [16 March 2021 10:22 UTC](https://discourse.nodered.org/t/2-dimensional-array-averaging/42696 "2021-03-16T10:22:07Z")

</div>

Hi, I have a 2d array coming from a Spectrometer that has 2048 wavelengths and Intensities, I need an average of every 200 values. Here is an example of what the array looks like. Can someone please help me? So far I …

---

## [Copying array and empty the original](https://discourse.nodered.org/t/copying-array-and-empty-the-original/42705)

<div class="topic-metadata">

**Author:** [@S.Luent](https://discourse.nodered.org/u/S.Luent)\
**Replies:** 4\
**Last updated:** [16 March 2021 10:11 UTC](https://discourse.nodered.org/t/copying-array-and-empty-the-original/42705 "2021-03-16T10:11:37Z")

</div>

Hey, i'm new to Node-Red. I'm sorry if there is already an answer but i couldn't find any in this forum. The function: I want to store data in an array (Speicher1) and after a specific time, i want to copy that array …

[Previous page](https://discourse.nodered.org/c/general/7.md?page=584)

[Next page](https://discourse.nodered.org/c/general/7.md?page=586)