# Latest

**URL:** https://discourse.nodered.org/latest.md?page=572

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

**Page:** 573

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## [Msg.string + variable](https://discourse.nodered.org/t/msg-string-variable/62453)

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**Author:** [@sniicker](https://discourse.nodered.org/u/sniicker)\
**Replies:** 2\
**Last updated:** [10 May 2022 14:09 UTC](https://discourse.nodered.org/t/msg-string-variable/62453 "2022-05-10T14:09:14Z")

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Hy out there, I'm on the line right now, please help me. I have a msg looking like this: msg.payload : { "String1" : 10, "String2" : 20, "String3" : 30, "String4" : 40 } Now i whant do get the value of one of th…

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## [How to send bulk emails](https://discourse.nodered.org/t/how-to-send-bulk-emails/62399)

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**Author:** [@An-ji](https://discourse.nodered.org/u/An-ji)\
**Replies:** 6\
**Last updated:** [10 May 2022 12:22 UTC](https://discourse.nodered.org/t/how-to-send-bulk-emails/62399 "2022-05-10T12:22:24Z")

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Hi, I'm using node-red-node-email to send emails it work fine if we need to send emails around 90 at a time however it fails after reaching certain limit to send email. I tried smtp pool as well but no luck. can anyone …

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## [S7 in no TRUE or FALSE](https://discourse.nodered.org/t/s7-in-no-true-or-false/20104)

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**Author:** [@shagoxx](https://discourse.nodered.org/u/shagoxx)\
**Replies:** 1\
**Last updated:** [10 May 2022 13:42 UTC](https://discourse.nodered.org/t/s7-in-no-true-or-false/20104 "2022-05-10T13:42:54Z")

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Hi, i am trying to create a new project which is connected with my "industrial" section. I am using Siemens PLC and HMI. I want to connect the node red s7 IN to the PLC and take some data or read the data that is sendi…

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## [Using a GPLv3 Licensed Contrib Node (node-red-contrib-kafka-manager)](https://discourse.nodered.org/t/using-a-gplv3-licensed-contrib-node-node-red-contrib-kafka-manager/62446)

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**Author:** [@gauravdasgupta](https://discourse.nodered.org/u/gauravdasgupta)\
**Replies:** 1\
**Last updated:** [10 May 2022 12:08 UTC](https://discourse.nodered.org/t/using-a-gplv3-licensed-contrib-node-node-red-contrib-kafka-manager/62446 "2022-05-10T12:08:39Z")

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I am using the node-red-contrib-kafka-manager in my sample flows. The dependency to the contrib node is added to my package.json "node-red-contrib-kafka-manager": "0.5.0" This contrib Node or group of nodes (node-red-…

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## [Using multiple conditions to filter ui-table](https://discourse.nodered.org/t/using-multiple-conditions-to-filter-ui-table/62450)

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**Author:** [@kvramji](https://discourse.nodered.org/u/kvramji)\
**Replies:** 0\
**Last updated:** [10 May 2022 12:03 UTC](https://discourse.nodered.org/t/using-multiple-conditions-to-filter-ui-table/62450 "2022-05-10T12:03:15Z")

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I have been trying to filter table data with the "setFilter" command. I managed to figure out 1 condition filtering but how do i filter a table by using a search field which looks for matching string of 2 columns? Here …

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## [Dropdown problem](https://discourse.nodered.org/t/dropdown-problem/62434)

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**Author:** [@Kundepuu](https://discourse.nodered.org/u/Kundepuu)\
**Replies:** 4\
**Last updated:** [10 May 2022 11:34 UTC](https://discourse.nodered.org/t/dropdown-problem/62434 "2022-05-10T11:34:45Z")

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I have a big list of products and properties. I can handle this make those manually, but I cant figure how to get dropdown selections out from list. In my flow first output, if I select" kana " is {"koipi":{"omin…

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## [Function with dynamic Arrays](https://discourse.nodered.org/t/function-with-dynamic-arrays/62442)

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**Author:** [@skydiver99](https://discourse.nodered.org/u/skydiver99)\
**Replies:** 2\
**Last updated:** [10 May 2022 10:34 UTC](https://discourse.nodered.org/t/function-with-dynamic-arrays/62442 "2022-05-10T10:34:52Z")

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Hello, I am a noob in node red and I've wrote this function node and it works fine, but I have not every time three arrays, sometimes 2, sometimes up to 15 arrays and in this case my function node dosent work. I know th…

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## [I2C lcd 16\*2 and raspberryPi ....Help](https://discourse.nodered.org/t/i2c-lcd-16-2-and-raspberrypi-help/62408)

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**Author:** [@node2](https://discourse.nodered.org/u/node2)\
**Replies:** 5\
**Last updated:** [10 May 2022 10:12 UTC](https://discourse.nodered.org/t/i2c-lcd-16-2-and-raspberrypi-help/62408 "2022-05-10T10:12:52Z")

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i've been attaching the i2c LCD to raspberry, i can only turn off the lcd on and off using msg.action, but while integrating a function , the LCD remains blank.... :upside\_down\_face:

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## [Best guess attempt at loading missing nodes](https://discourse.nodered.org/t/best-guess-attempt-at-loading-missing-nodes/62437)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 4\
**Last updated:** [10 May 2022 09:32 UTC](https://discourse.nodered.org/t/best-guess-attempt-at-loading-missing-nodes/62437 "2022-05-10T09:32:16Z")

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Has anyone had a go at writing a script to automate installing missing nodes for an imported flow I've just been importing a big flow with lots of missing nodes and it was a right pain in the fingers to go thru installi…

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## [Extract info from chatbot](https://discourse.nodered.org/t/extract-info-from-chatbot/61378)

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**Author:** [@geotete](https://discourse.nodered.org/u/geotete)\
**Replies:** 19\
**Last updated:** [10 May 2022 08:10 UTC](https://discourse.nodered.org/t/extract-info-from-chatbot/61378 "2022-05-10T08:10:12Z")

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Hi everyone, Need some help for extracting information that I'm receiving using Telegram with the chatbot. I need to send some words that will trigger what I need, in this case a a gate node. When I copy the path from…

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## [Setting credentials on a device flashed with Tasmota firmware](https://discourse.nodered.org/t/setting-credentials-on-a-device-flashed-with-tasmota-firmware/62413)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 1\
**Last updated:** [9 May 2022 16:24 UTC](https://discourse.nodered.org/t/setting-credentials-on-a-device-flashed-with-tasmota-firmware/62413 "2022-05-09T16:24:00Z")

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Although this write-up is based on a Sonoff S20 with a 'device\_name' of 'node53', it should be applicable to any device flashed with Tasmota firmware. It covers how to set the various networking credentials. The other d…

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## [Dasboardu input olarak kullanmak](https://discourse.nodered.org/t/dasboardu-input-olarak-kullanmak/61844)

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**Author:** [@kursataydac](https://discourse.nodered.org/u/kursataydac)\
**Replies:** 2\
**Last updated:** [10 May 2022 07:39 UTC](https://discourse.nodered.org/t/dasboardu-input-olarak-kullanmak/61844 "2022-05-10T07:39:40Z")

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dashboardı input olarak kullanıp bir internet sitesine veri girmem gerekiyor nasıl yapabilirim ?

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## [Issue with running telnet command in EXEC node-red](https://discourse.nodered.org/t/issue-with-running-telnet-command-in-exec-node-red/62435)

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**Author:** [@pdhaduk](https://discourse.nodered.org/u/pdhaduk)\
**Replies:** 6\
**Last updated:** [10 May 2022 06:32 UTC](https://discourse.nodered.org/t/issue-with-running-telnet-command-in-exec-node-red/62435 "2022-05-10T06:32:13Z")

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Hi everyone, I am trying to execute a windows CLI command in the EXEC node in node-red. My command is "telnet 'IP address' 'port' ". It is working perfectly in the terminal, but the command shows failed when it runs in…

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## [Parse mixed string](https://discourse.nodered.org/t/parse-mixed-string/62400)

<div class="topic-metadata">

**Author:** [@barney2074](https://discourse.nodered.org/u/barney2074)\
**Replies:** 8\
**Last updated:** [10 May 2022 05:58 UTC](https://discourse.nodered.org/t/parse-mixed-string/62400 "2022-05-10T05:58:13Z")

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Hello, I have a string which I'd like to parse into something meaningful i.e keys & values The structure of it is a little weird in that it has a couple of lines as the header for each section, which seem to be a repea…

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## [Insert token to dropbox config node](https://discourse.nodered.org/t/insert-token-to-dropbox-config-node/62390)

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**Author:** [@Kai](https://discourse.nodered.org/u/Kai)\
**Replies:** 2\
**Last updated:** [10 May 2022 00:54 UTC](https://discourse.nodered.org/t/insert-token-to-dropbox-config-node/62390 "2022-05-10T00:54:14Z")

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Hi, is that possible to let me insert the Access Token from others node? (e.g insert node)

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## [How to respond to deployments in a plugin](https://discourse.nodered.org/t/how-to-respond-to-deployments-in-a-plugin/62267)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 11\
**Last updated:** [9 May 2022 21:33 UTC](https://discourse.nodered.org/t/how-to-respond-to-deployments-in-a-plugin/62267 "2022-05-09T21:33:56Z")

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Hi folks, I am trying to use plugins to create a sidebar, based on this gist example. It seems that the onadd is only called at the beginning. But I need to do some re-initialization after every deploy (where I can se…

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## [HTML Button for file download](https://discourse.nodered.org/t/html-button-for-file-download/62423)

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**Author:** [@PedroFilipe](https://discourse.nodered.org/u/PedroFilipe)\
**Replies:** 2\
**Last updated:** [9 May 2022 20:05 UTC](https://discourse.nodered.org/t/html-button-for-file-download/62423 "2022-05-09T20:05:28Z")

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Hello everyone, I have this html table that shows the records for a database in my Raspberry Pi, and i need to download a video associated with the record entry. I can download the file using the link /files/filename, b…

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## [Read data from a json file and display it in a bar graph](https://discourse.nodered.org/t/read-data-from-a-json-file-and-display-it-in-a-bar-graph/62417)

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**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 4\
**Last updated:** [9 May 2022 18:42 UTC](https://discourse.nodered.org/t/read-data-from-a-json-file-and-display-it-in-a-bar-graph/62417 "2022-05-09T18:42:28Z")

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Hello to all, I want to make a bar graph with these values below. I read them from a file. They are values taken every 30 minutes over a whole day. But I'm not too comfortable with formatting this data to pass it to t…

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## [Timestamp to UTC time](https://discourse.nodered.org/t/timestamp-to-utc-time/62384)

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**Author:** [@Olivia](https://discourse.nodered.org/u/Olivia)\
**Replies:** 4\
**Last updated:** [9 May 2022 17:04 UTC](https://discourse.nodered.org/t/timestamp-to-utc-time/62384 "2022-05-09T17:04:48Z")

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Hello everyone, I have a script that makes a CSV file from my data. The time is an string of numbers (10) and i would like to see it like the UTC time (15). I tried the command .format ("YYYY-MM-DD HH:mm:ss) but it do…

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## [Displaying Radio Buttons options in one single line](https://discourse.nodered.org/t/displaying-radio-buttons-options-in-one-single-line/62322)

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**Author:** [@kvramji](https://discourse.nodered.org/u/kvramji)\
**Replies:** 5\
**Last updated:** [9 May 2022 16:41 UTC](https://discourse.nodered.org/t/displaying-radio-buttons-options-in-one-single-line/62322 "2022-05-09T16:41:55Z")

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I found this nice example which shows how you can create a radio button layout on Node red dashboard. But i would like to know how to customize it so that you can have all the options in one single line. Here is my flo…

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## [‘Request time out’ when insert data to influxdb](https://discourse.nodered.org/t/request-time-out-when-insert-data-to-influxdb/62410)

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**Author:** [@rolandoartha](https://discourse.nodered.org/u/rolandoartha)\
**Replies:** 4\
**Last updated:** [9 May 2022 16:03 UTC](https://discourse.nodered.org/t/request-time-out-when-insert-data-to-influxdb/62410 "2022-05-09T16:03:43Z")

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Hello guys i'm trying to insert my data from sensor to influxdb, i parse the data using function like this but i always get this error

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## [OPCUA Client Update](https://discourse.nodered.org/t/opcua-client-update/62405)

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**Author:** [@Shen](https://discourse.nodered.org/u/Shen)\
**Replies:** 0\
**Last updated:** [9 May 2022 12:59 UTC](https://discourse.nodered.org/t/opcua-client-update/62405 "2022-05-09T12:59:09Z")

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Hi, I updated OPCUA nodes in Node red to 0.2.275. When I used OPCUA Client node and deployed it. It started showing warning for every OPCUA client node. Before update it was fine, after update warning started populating…

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## [Store message in persistent file system without mentioning "storeName"](https://discourse.nodered.org/t/store-message-in-persistent-file-system-without-mentioning-storename/62377)

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**Author:** [@aswink](https://discourse.nodered.org/u/aswink)\
**Replies:** 2\
**Last updated:** [9 May 2022 14:51 UTC](https://discourse.nodered.org/t/store-message-in-persistent-file-system-without-mentioning-storename/62377 "2022-05-09T14:51:25Z")

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Hello All, I have a requirement to maintain data in both memory and file based context(if not present in memory copy from file based context; if not present in file copy from memory based context). Generally the contex…

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## [Failing in installing fileinject or base64 nodes](https://discourse.nodered.org/t/failing-in-installing-fileinject-or-base64-nodes/62394)

<div class="topic-metadata">

**Author:** [@vongomben](https://discourse.nodered.org/u/vongomben)\
**Replies:** 5\
**Last updated:** [9 May 2022 14:21 UTC](https://discourse.nodered.org/t/failing-in-installing-fileinject-or-base64-nodes/62394 "2022-05-09T14:21:38Z")

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I'm trying to install Base64 and Fileinject node, but I have this kind of error running. I have node v18.1.0 and npm 8.0.0 on windows. Node-red just updated to version 2.1 Any help?

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## [External dashboard on other network?](https://discourse.nodered.org/t/external-dashboard-on-other-network/62401)

<div class="topic-metadata">

**Author:** [@Erissin\_Industria4.0](https://discourse.nodered.org/u/Erissin_Industria4.0)\
**Replies:** 4\
**Last updated:** [9 May 2022 12:52 UTC](https://discourse.nodered.org/t/external-dashboard-on-other-network/62401 "2022-05-09T12:52:26Z")

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Is it possible to access the node-red dashboard externally from another network without using the cloud?

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## [Mqtt in output dataformate for dashbaord](https://discourse.nodered.org/t/mqtt-in-output-dataformate-for-dashbaord/62385)

<div class="topic-metadata">

**Author:** [@dheeju1314](https://discourse.nodered.org/u/dheeju1314)\
**Replies:** 4\
**Last updated:** [9 May 2022 10:39 UTC](https://discourse.nodered.org/t/mqtt-in-output-dataformate-for-dashbaord/62385 "2022-05-09T10:39:19Z")

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Hi Team, am received MQTT IN values using node red but how do i publish into dashabord using this single TOpic name receiving from MQTTIN

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## [Not able to move a file](https://discourse.nodered.org/t/not-able-to-move-a-file/62388)

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**Author:** [@milner236](https://discourse.nodered.org/u/milner236)\
**Replies:** 1\
**Last updated:** [9 May 2022 08:52 UTC](https://discourse.nodered.org/t/not-able-to-move-a-file/62388 "2022-05-09T08:52:32Z")

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Hello everyone, I am struggling to move a file using node-red-contrib-fs-ops. I always find myself at the point where the file is undefined. What am I doing wrong? Path and Destination are set in the function node. …

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## [打开Node red 为什么一直报错？(Why do I keep getting an error when I open Node red?)](https://discourse.nodered.org/t/node-red-why-do-i-keep-getting-an-error-when-i-open-node-red/62382)

<div class="topic-metadata">

**Author:** [@yangkai](https://discourse.nodered.org/u/yangkai)\
**Replies:** 1\
**Last updated:** [9 May 2022 08:16 UTC](https://discourse.nodered.org/t/node-red-why-do-i-keep-getting-an-error-when-i-open-node-red/62382 "2022-05-09T08:16:34Z")

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## [CPU spikes while writting data to context](https://discourse.nodered.org/t/cpu-spikes-while-writting-data-to-context/62259)

<div class="topic-metadata">

**Author:** [@Aivaras1](https://discourse.nodered.org/u/Aivaras1)\
**Replies:** 10\
**Last updated:** [9 May 2022 08:15 UTC](https://discourse.nodered.org/t/cpu-spikes-while-writting-data-to-context/62259 "2022-05-09T08:15:21Z")

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Hello, So I have a problem. I am making data accumulation for graph. Data is received from modbus communication. Problems occurred when I tried to accumulate data. Random CPU spikes (95-98%) Does someone has any suggest…

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## [Switch not working with global dictionary](https://discourse.nodered.org/t/switch-not-working-with-global-dictionary/62281)

<div class="topic-metadata">

**Author:** [@Will.Freitag](https://discourse.nodered.org/u/Will.Freitag)\
**Replies:** 4\
**Last updated:** [9 May 2022 06:47 UTC](https://discourse.nodered.org/t/switch-not-working-with-global-dictionary/62281 "2022-05-09T06:47:10Z")

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I need a simple switch with 2 outputs. One for "all conditions are true" (logically AND'ed) and one "otherwise". For this to end, I create an empty dictionary on start (global scope): let watchdog\_status = global.get('…

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