# Latest

**URL:** https://discourse.nodered.org/latest.md?page=657

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

**Page:** 658

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## [How to remove unreasonable numbers from moving on](https://discourse.nodered.org/t/how-to-remove-unreasonable-numbers-from-moving-on/56369)

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**Author:** [@Cyprus125](https://discourse.nodered.org/u/Cyprus125)\
**Replies:** 19\
**Last updated:** [10 January 2022 19:59 UTC](https://discourse.nodered.org/t/how-to-remove-unreasonable-numbers-from-moving-on/56369 "2022-01-10T19:59:55Z")

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Good day. so i have a esp8266 with a DS18B20 (temp sensor). the sensor is outside and it's set up to transmit the temp every 30 seconds. (side thing to trouble shoot the sensor, i'll deal with when more parts arrive) i…

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## [Groov I/O Read node results unusable with math operators](https://discourse.nodered.org/t/groov-i-o-read-node-results-unusable-with-math-operators/56416)

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**Author:** [@rpabbv117](https://discourse.nodered.org/u/rpabbv117)\
**Replies:** 6\
**Last updated:** [10 January 2022 19:04 UTC](https://discourse.nodered.org/t/groov-i-o-read-node-results-unusable-with-math-operators/56416 "2022-01-10T19:04:57Z")

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Hello all, I was trying to do a simple subtraction of two results from groov I/O read nodes in a function node, but the result seems to always be NaN when the two read node results interact. Thoughts? Will clarify furth…

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## [Problem to install nodes like pushbullet or pushover](https://discourse.nodered.org/t/problem-to-install-nodes-like-pushbullet-or-pushover/56316)

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**Author:** [@Nodepushover](https://discourse.nodered.org/u/Nodepushover)\
**Replies:** 12\
**Last updated:** [10 January 2022 17:53 UTC](https://discourse.nodered.org/t/problem-to-install-nodes-like-pushbullet-or-pushover/56316 "2022-01-10T17:53:21Z")

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Always get this error: failed to install node-red-node-pushbullet error install failed. same problem with pushover hope some one can help me with kind regards Koen

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## [Influx db Cloud 2.0](https://discourse.nodered.org/t/influx-db-cloud-2-0/55781)

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**Author:** [@mtoko](https://discourse.nodered.org/u/mtoko)\
**Replies:** 11\
**Last updated:** [10 January 2022 17:30 UTC](https://discourse.nodered.org/t/influx-db-cloud-2-0/55781 "2022-01-10T17:30:12Z")

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Hi I am trying to send data to Influx DB Cloud with Node Red. The error I am getting is 405 Not Allowed. I have checked the token has all access and the read and write permissions. I have also checked the Organisation I…

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## [Best way to persist msg.res and msg.req in a flow which uses a Websockets to connect to another node instance](https://discourse.nodered.org/t/best-way-to-persist-msg-res-and-msg-req-in-a-flow-which-uses-a-websockets-to-connect-to-another-node-instance/56408)

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**Author:** [@mirrorspock](https://discourse.nodered.org/u/mirrorspock)\
**Replies:** 0\
**Last updated:** [10 January 2022 15:52 UTC](https://discourse.nodered.org/t/best-way-to-persist-msg-res-and-msg-req-in-a-flow-which-uses-a-websockets-to-connect-to-another-node-instance/56408 "2022-01-10T15:52:42Z")

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I'm trying to connect two node-red instances, (DMZ/LAN) using Websockets, I'm having some issues when using the connection with http requests. the DMZ node-red instance has a http in /echo the message is then sent via …

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## [Node-RED, Apache,Proxypass - no debug data](https://discourse.nodered.org/t/node-red-apache-proxypass-no-debug-data/5411)

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**Author:** [@bronto](https://discourse.nodered.org/u/bronto)\
**Replies:** 11\
**Last updated:** [10 January 2022 14:43 UTC](https://discourse.nodered.org/t/node-red-apache-proxypass-no-debug-data/5411 "2022-01-10T14:43:24Z")

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Hey All, Issue: debug node dosn't work - no debug data I have got an issue after securing Node-RED by Apache web server with ProxyPass and uiHost:127.0.0.1, adminAuth. What I have: Ubuntu 18.04, Apache, SSL certyf…

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## [🎉 Node-RED 2.1.4 released](https://discourse.nodered.org/t/node-red-2-1-4-released/54622)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 44\
**Last updated:** [10 January 2022 14:41 UTC](https://discourse.nodered.org/t/node-red-2-1-4-released/54622 "2022-01-10T14:41:25Z")

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Node-RED 2.1.4 is now available, rolling up quite a few fixes One of the more obvious changes we've made is with the ability to hide flows. We had received consistent feedback that the use of the x icon on the tab left…

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## [How to find stable version database to connect to Node-RED?](https://discourse.nodered.org/t/how-to-find-stable-version-database-to-connect-to-node-red/56397)

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**Author:** [@iseunghan](https://discourse.nodered.org/u/iseunghan)\
**Replies:** 5\
**Last updated:** [10 January 2022 14:30 UTC](https://discourse.nodered.org/t/how-to-find-stable-version-database-to-connect-to-node-red/56397 "2022-01-10T14:30:13Z")

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Hi ! Can't find stable version of database (ex: mysql, oracle,,,) to connect to Node-RED... Please help... ex) I went to this page and couldn't find a stable version of MySQL to connect to Node-RED... just select the …

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## [Send data from topic in MQTT broker to database (phpmyadmin)](https://discourse.nodered.org/t/send-data-from-topic-in-mqtt-broker-to-database-phpmyadmin/56376)

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**Author:** [@faridomu](https://discourse.nodered.org/u/faridomu)\
**Replies:** 4\
**Last updated:** [10 January 2022 14:09 UTC](https://discourse.nodered.org/t/send-data-from-topic-in-mqtt-broker-to-database-phpmyadmin/56376 "2022-01-10T14:09:19Z")

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Hello everyone I'm very new to this. I want to send data IR sensor from MQTT Broker to my database in phpmyadmin in node-red. I already send the data sensor to topic that published to mqtt broker, and i can't send it f…

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## [Function true / false](https://discourse.nodered.org/t/function-true-false/56362)

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**Author:** [@fox007](https://discourse.nodered.org/u/fox007)\
**Replies:** 8\
**Last updated:** [10 January 2022 13:52 UTC](https://discourse.nodered.org/t/function-true-false/56362 "2022-01-10T13:52:13Z")

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Hello all I am a newbie in the field of Node Red. Unfortunately I'm not a programming specialist but it's never too late to start :wink: Maybe someone can give me some development help with a function (see below). The…

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## [I can't found to string functions](https://discourse.nodered.org/t/i-cant-found-to-string-functions/56388)

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**Author:** [@GokhanAnac](https://discourse.nodered.org/u/GokhanAnac)\
**Replies:** 2\
**Last updated:** [10 January 2022 12:40 UTC](https://discourse.nodered.org/t/i-cant-found-to-string-functions/56388 "2022-01-10T12:40:21Z")

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Hello every one, when i tried to install new dashboard, i saw my node red was not work because when i tried to deploy, there is was a problem. Thats why i have deleted new dashboard but now i can not see the string funct…

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## [Node-RED does not start when the internet is blocked](https://discourse.nodered.org/t/node-red-does-not-start-when-the-internet-is-blocked/56028)

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**Author:** [@NetHans](https://discourse.nodered.org/u/NetHans)\
**Replies:** 10\
**Last updated:** [10 January 2022 12:22 UTC](https://discourse.nodered.org/t/node-red-does-not-start-when-the-internet-is-blocked/56028 "2022-01-10T12:22:31Z")

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Hi there, I use Node-RED behind a firewall, which blocks all data traffic from and to the Internet. The block is only temporarily lifted for individual URLs if necessary, for example to install updates. The firewall sim…

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## [String compare with state home assistant](https://discourse.nodered.org/t/string-compare-with-state-home-assistant/56366)

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**Author:** [@Whastie](https://discourse.nodered.org/u/Whastie)\
**Replies:** 8\
**Last updated:** [10 January 2022 11:54 UTC](https://discourse.nodered.org/t/string-compare-with-state-home-assistant/56366 "2022-01-10T11:54:49Z")

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Hello Can someone help me see why the case that compares these strings does not work for me? Thank you

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## [Hide msg.topic in chart](https://discourse.nodered.org/t/hide-msg-topic-in-chart/56382)

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**Author:** [@Majklzbastlirny](https://discourse.nodered.org/u/Majklzbastlirny)\
**Replies:** 4\
**Last updated:** [10 January 2022 11:15 UTC](https://discourse.nodered.org/t/hide-msg-topic-in-chart/56382 "2022-01-10T11:15:03Z")

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Hey there I need help hiding msg.topic in chart. WeatherStation/Voltage: in screenshot. . I just need it to show time and payload. Thanks in advance (There is probably answer for this question, but language barrier …

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## [OPC-UA Error: "Invalid Channel BadConnectionClosed"](https://discourse.nodered.org/t/opc-ua-error-invalid-channel-badconnectionclosed/56386)

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**Author:** [@OriolFM](https://discourse.nodered.org/u/OriolFM)\
**Replies:** 0\
**Last updated:** [10 January 2022 10:17 UTC](https://discourse.nodered.org/t/opc-ua-error-invalid-channel-badconnectionclosed/56386 "2022-01-10T10:17:24Z")

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I have been developing a system to read information from some production lines using OPC-UA. After a bit of a rough start, my system currently includes 4 lines that are working without incidents. I'm trying to include …

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## [Passport-azure-ad authentication](https://discourse.nodered.org/t/passport-azure-ad-authentication/56385)

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**Author:** [@tushar](https://discourse.nodered.org/u/tushar)\
**Replies:** 0\
**Last updated:** [10 January 2022 10:10 UTC](https://discourse.nodered.org/t/passport-azure-ad-authentication/56385 "2022-01-10T10:10:57Z")

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hey all, i am using image 2.1.4 and i would like to know if this already supports passpord-azure-ad or has this feature already added as a dependency on this image. Basically, i am trying to modify the settings.js file t…

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## [Including pictures for clarity](https://discourse.nodered.org/t/including-pictures-for-clarity/56381)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [10 January 2022 09:54 UTC](https://discourse.nodered.org/t/including-pictures-for-clarity/56381 "2022-01-10T09:54:49Z")

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(More a site question) Ok, so I include a screen shot to help show what is going on. Where possible I crop out the other stuff. In the main post it may be small. You want to see it a bit bigger, so you click on it. …

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## [Error: ENOENT: no such file or directory, open '/data/package.json'](https://discourse.nodered.org/t/error-enoent-no-such-file-or-directory-open-data-package-json/56379)

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**Author:** [@khayal](https://discourse.nodered.org/u/khayal)\
**Replies:** 1\
**Last updated:** [10 January 2022 09:34 UTC](https://discourse.nodered.org/t/error-enoent-no-such-file-or-directory-open-data-package-json/56379 "2022-01-10T09:34:06Z")

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Hello Everyone, I have recently upgraded by docker image of node-red to 2.1.4. While i deploy the the node-red pod in kubernetes i am able to see the logs below. These errors are not impacting the functionality of node…

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## [Demo Modbus or Ethernet Softwares](https://discourse.nodered.org/t/demo-modbus-or-ethernet-softwares/56377)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 3\
**Last updated:** [10 January 2022 07:40 UTC](https://discourse.nodered.org/t/demo-modbus-or-ethernet-softwares/56377 "2022-01-10T07:40:24Z")

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Hii.. I am trying to build node red gateway that will talk to plcs to get the data using modbus/Ethernet. So, Can anyone suggest me any demo plc software so that I can connect node red to that plc?

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## [Update text file content](https://discourse.nodered.org/t/update-text-file-content/55893)

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**Author:** [@FabioT](https://discourse.nodered.org/u/FabioT)\
**Replies:** 4\
**Last updated:** [10 January 2022 07:25 UTC](https://discourse.nodered.org/t/update-text-file-content/55893 "2022-01-10T07:25:22Z")

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Hey All, I'm quite new in Node-RED development and problably this will be an easy question for the Node-RED expert... Anyway, I'm using a text file to load some "application" settings when Node-RED is launched (start-u…

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## [Can not send information from S7 to Database(MariaDB) via node-red (FAILED!)](https://discourse.nodered.org/t/can-not-send-information-from-s7-to-database-mariadb-via-node-red-failed/56249)

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**Author:** [@sk\_riffat](https://discourse.nodered.org/u/sk_riffat)\
**Replies:** 2\
**Last updated:** [10 January 2022 06:39 UTC](https://discourse.nodered.org/t/can-not-send-information-from-s7-to-database-mariadb-via-node-red-failed/56249 "2022-01-10T06:39:04Z")

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Hello everyone, I hope you are having a wonderful day. I am currently working at node red in a project. I am sending information from S7(TIA portal) to a Database(MariaDB) using node-red. I have succesfully connected S7…

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## [Dashboard bottom titlebar](https://discourse.nodered.org/t/dashboard-bottom-titlebar/56346)

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**Author:** [@stgj](https://discourse.nodered.org/u/stgj)\
**Replies:** 4\
**Last updated:** [10 January 2022 05:49 UTC](https://discourse.nodered.org/t/dashboard-bottom-titlebar/56346 "2022-01-10T05:49:10Z")

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Is there a way to add a bottom titlebar/toolbar etc? With som static text in it? Kind regards Steffen

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## [Filter Multi Dimensional Array](https://discourse.nodered.org/t/filter-multi-dimensional-array/56334)

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**Author:** [@JohnnyPicnic](https://discourse.nodered.org/u/JohnnyPicnic)\
**Replies:** 12\
**Last updated:** [10 January 2022 03:25 UTC](https://discourse.nodered.org/t/filter-multi-dimensional-array/56334 "2022-01-10T03:25:34Z")

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I can't seem to get the syntax right to only return the array with a "Value" containing "Gaming" in a multi dimensional array. This is what i've got so far: msg.payload = msg.payload.Volumes.Tags.filter(el =\> el.Value.…

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## [SQLITE data to Charts - Various Issues](https://discourse.nodered.org/t/sqlite-data-to-charts-various-issues/56308)

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**Author:** [@MakerMan](https://discourse.nodered.org/u/MakerMan)\
**Replies:** 12\
**Last updated:** [10 January 2022 03:23 UTC](https://discourse.nodered.org/t/sqlite-data-to-charts-various-issues/56308 "2022-01-10T03:23:55Z")

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Hello This is my first post, sorry it's a bit long-winded ... Overview I have an outstation sending data to Node-Red via MQTT. The data is sent every 30s and is (temperature 1, temperature 2, humidity, pressure, volt…

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## ["mqtt in" node 'Best Practice'](https://discourse.nodered.org/t/mqtt-in-node-best-practice/56333)

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**Author:** [@MakerMan](https://discourse.nodered.org/u/MakerMan)\
**Replies:** 13\
**Last updated:** [9 January 2022 18:03 UTC](https://discourse.nodered.org/t/mqtt-in-node-best-practice/56333 "2022-01-09T18:03:13Z")

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I've looked around and not spotted information about best practice approaches regarding the use of the mqtt in node. There are two obvious approaches; (a) In each flow where a particular message is needed, create a mqt…

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## [SMA EV Charger get data using curl - how to this in Node-RED?](https://discourse.nodered.org/t/sma-ev-charger-get-data-using-curl-how-to-this-in-node-red/56328)

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**Author:** [@nosered1966](https://discourse.nodered.org/u/nosered1966)\
**Replies:** 3\
**Last updated:** [9 January 2022 17:40 UTC](https://discourse.nodered.org/t/sma-ev-charger-get-data-using-curl-how-to-this-in-node-red/56328 "2022-01-09T17:40:08Z")

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Hi all, below is a trace ( I do not know if this is the correct name because in principle I have no clue about programming with Linux, Perl, Curl and so on and, in addition, English is not my native language... ) of som…

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## [Creating User Authentication for Node Red UI Dashboards](https://discourse.nodered.org/t/creating-user-authentication-for-node-red-ui-dashboards/56000)

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**Author:** [@saxenaramesh](https://discourse.nodered.org/u/saxenaramesh)\
**Replies:** 8\
**Last updated:** [9 January 2022 16:42 UTC](https://discourse.nodered.org/t/creating-user-authentication-for-node-red-ui-dashboards/56000 "2022-01-09T16:42:54Z")

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I have a dashboard for an application. Few tabs / Groups need to be accessed by "Manager" Role ONLY while other should be visible / accessible to all roles. I created a flow where I can create this option using the "ui-c…

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## [Communicate with OMRON PLC using peripheral port? (USB B type)](https://discourse.nodered.org/t/communicate-with-omron-plc-using-peripheral-port-usb-b-type/50848)

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**Author:** [@Vanj](https://discourse.nodered.org/u/Vanj)\
**Replies:** 4\
**Last updated:** [9 January 2022 16:18 UTC](https://discourse.nodered.org/t/communicate-with-omron-plc-using-peripheral-port-usb-b-type/50848 "2022-01-09T16:18:43Z")

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Hello, Good day! I want to ask if possible to use peripheral port(USB type B) as communication to read and write data in PLC? I have this CJ2M CPU11 PLC, the ports available are 1 RS232C (connected to HMI) and 1 periph…

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## [Tasmota power plug MQTT connecting problem](https://discourse.nodered.org/t/tasmota-power-plug-mqtt-connecting-problem/56342)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 9\
**Last updated:** [9 January 2022 15:37 UTC](https://discourse.nodered.org/t/tasmota-power-plug-mqtt-connecting-problem/56342 "2022-01-09T15:37:58Z")

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I am trying to connect a TASMOTA (not SONOFF) power plug with mqtt. I use node-red-contrib-tasmota. I use the sensor node to communicate. I have configured the broker node, But the power plug as well as node-r…

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## [Bigtimer 2.8.0 outputs](https://discourse.nodered.org/t/bigtimer-2-8-0-outputs/56345)

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**Author:** [@adamis](https://discourse.nodered.org/u/adamis)\
**Replies:** 3\
**Last updated:** [9 January 2022 15:12 UTC](https://discourse.nodered.org/t/bigtimer-2-8-0-outputs/56345 "2022-01-09T15:12:10Z")

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Hi, about 3 days ago get to the second output from Bigtimer 1 or 0, but now only " "... Do you have it too?

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