# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=537

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

**Page:** 538

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## [First Project TypeError](https://discourse.nodered.org/t/first-project-typeerror/64965)

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**Author:** [@HannesLN](https://discourse.nodered.org/u/HannesLN)\
**Replies:** 3\
**Last updated:** [11 July 2022 21:28 UTC](https://discourse.nodered.org/t/first-project-typeerror/64965 "2022-07-11T21:28:09Z")

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Hi there. I have a little problem. I've created a small project (see picture). I can connect to the created server from another client, but I don't get any usefull data but an error message. I'm new to all of this, so I …

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## [Request for Best Practice: triggering flows based on new entries in a database](https://discourse.nodered.org/t/request-for-best-practice-triggering-flows-based-on-new-entries-in-a-database/64960)

<div class="topic-metadata">

**Author:** [@Taylor](https://discourse.nodered.org/u/Taylor)\
**Replies:** 5\
**Last updated:** [11 July 2022 20:20 UTC](https://discourse.nodered.org/t/request-for-best-practice-triggering-flows-based-on-new-entries-in-a-database/64960 "2022-07-11T20:20:19Z")

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I've been using new entries in a database to initiate flows in my project but I'm afraid my current strategy is a silly workaround due to my lack of knowledge/experience. I'm looking for advice on how to improve my flow …

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## [Node-Red switch logic not working](https://discourse.nodered.org/t/node-red-switch-logic-not-working/64956)

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**Author:** [@yxqzme2](https://discourse.nodered.org/u/yxqzme2)\
**Replies:** 6\
**Last updated:** [11 July 2022 18:58 UTC](https://discourse.nodered.org/t/node-red-switch-logic-not-working/64956 "2022-07-11T18:58:54Z")

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I am trying to do a simple holiday lights automation using binary sensors, but I do not seem to be getting the right output from the switch. I have the 6 holidays input to the switch. If I make it a holiday, I get the c…

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## [Dynamically change label of ui-switch](https://discourse.nodered.org/t/dynamically-change-label-of-ui-switch/64911)

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**Author:** [@Olivier](https://discourse.nodered.org/u/Olivier)\
**Replies:** 6\
**Last updated:** [11 July 2022 18:18 UTC](https://discourse.nodered.org/t/dynamically-change-label-of-ui-switch/64911 "2022-07-11T18:18:40Z")

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Hello, Despite the help, that tells: The label can also be set by a message property by setting the field to the name of the property, for example {{msg.topic}} . I'm not able to change dynamically the label. I've tr…

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## [Ring MQTT -\> Base64 -\> Telegram](https://discourse.nodered.org/t/ring-mqtt-base64-telegram/64948)

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**Author:** [@joeblack2k](https://discourse.nodered.org/u/joeblack2k)\
**Replies:** 9\
**Last updated:** [11 July 2022 17:03 UTC](https://discourse.nodered.org/t/ring-mqtt-base64-telegram/64948 "2022-07-11T17:03:08Z")

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Hey Guys, Question: for the past 3 day's i'm trying to figure out how to get a mqtt base64 img to a telegram channel so i get a picture if someone rights the bell i think i'm pretty far although i also think it can be…

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## [How to get current google material design icons?](https://discourse.nodered.org/t/how-to-get-current-google-material-design-icons/64921)

<div class="topic-metadata">

**Author:** [@ForumSchlampe](https://discourse.nodered.org/u/ForumSchlampe)\
**Replies:** 2\
**Last updated:** [11 July 2022 16:11 UTC](https://discourse.nodered.org/t/how-to-get-current-google-material-design-icons/64921 "2022-07-11T16:11:13Z")

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Hi there, i have read about available icons and googe material design icons where mentioned to be usable with the prefix mi- But when i check on Material Symbols and Icons - Google Fonts the toggle icon looks different…

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## [Issue with easy fan control](https://discourse.nodered.org/t/issue-with-easy-fan-control/64942)

<div class="topic-metadata">

**Author:** [@u20p17](https://discourse.nodered.org/u/u20p17)\
**Replies:** 7\
**Last updated:** [11 July 2022 15:59 UTC](https://discourse.nodered.org/t/issue-with-easy-fan-control/64942 "2022-07-11T15:59:17Z")

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Hi all, I am trying to implement a very easy fan control into NodeRed. It should start a fan x secounds after the light of the room get turned on and stop x secounds after the light get switch off again. If the light ge…

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## [Unable to reach https://nodered.org/](https://discourse.nodered.org/t/unable-to-reach-https-nodered-org/64946)

<div class="topic-metadata">

**Author:** [@Neal](https://discourse.nodered.org/u/Neal)\
**Replies:** 6\
**Last updated:** [11 July 2022 14:36 UTC](https://discourse.nodered.org/t/unable-to-reach-https-nodered-org/64946 "2022-07-11T14:36:57Z")

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Hello Folks, We have one server at our organization that cannot reach nodered.org. Other machines like user desktops have no issue. Is it possible that the external IP of that server is blocked? Who can I contact to…

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## [External JS Libraries inside a Node's UI?](https://discourse.nodered.org/t/external-js-libraries-inside-a-nodes-ui/64930)

<div class="topic-metadata">

**Author:** [@Prathamesh\_Gharat](https://discourse.nodered.org/u/Prathamesh_Gharat)\
**Replies:** 3\
**Last updated:** [11 July 2022 14:01 UTC](https://discourse.nodered.org/t/external-js-libraries-inside-a-nodes-ui/64930 "2022-07-11T14:01:38Z")

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Hi, Is there anything that technically prevents someone from using a custom JS library like this one while building a custom Node's edit interface?

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## [How to call API Based on condition](https://discourse.nodered.org/t/how-to-call-api-based-on-condition/64940)

<div class="topic-metadata">

**Author:** [@Rahul\_98](https://discourse.nodered.org/u/Rahul_98)\
**Replies:** 0\
**Last updated:** [11 July 2022 11:38 UTC](https://discourse.nodered.org/t/how-to-call-api-based-on-condition/64940 "2022-07-11T11:38:43Z")

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Hello I should call the API based on condition. we will be getting the tag data from edge device when Tag1 value changes the API should send the data .I am not getting how to configure this problem could u please help m…

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## [MongoDB update (mongodb3)](https://discourse.nodered.org/t/mongodb-update-mongodb3/64938)

<div class="topic-metadata">

**Author:** [@e-Duardo](https://discourse.nodered.org/u/e-Duardo)\
**Replies:** 1\
**Last updated:** [11 July 2022 11:18 UTC](https://discourse.nodered.org/t/mongodb-update-mongodb3/64938 "2022-07-11T11:18:23Z")

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Hi all, I am learning to use MongoDB to store data, and now I am having an issue with the "update" method. I am using the nodes from "node-red-contrib-mongodb3". I have inserted some documents, which have some static d…

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## [Error in installation of arduino/node-red-contrib-arduino-iot-cloud in node-red](https://discourse.nodered.org/t/error-in-installation-of-arduino-node-red-contrib-arduino-iot-cloud-in-node-red/64908)

<div class="topic-metadata">

**Author:** [@raabautomation](https://discourse.nodered.org/u/raabautomation)\
**Replies:** 4\
**Last updated:** [11 July 2022 10:22 UTC](https://discourse.nodered.org/t/error-in-installation-of-arduino-node-red-contrib-arduino-iot-cloud-in-node-red/64908 "2022-07-11T10:22:56Z")

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I am facing a problem when installing the "node-red-contrib-arduino-iot-cloud" in the "manege palette" or via CMD of Node-Red. Whenever I try to install through the graphical interface it throws the following error: ver…

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## [What are the consequences of passing the \`FLOWS\` environment variable within node-RED to a different flows.json file?](https://discourse.nodered.org/t/what-are-the-consequences-of-passing-the-flows-environment-variable-within-node-red-to-a-different-flows-json-file/64936)

<div class="topic-metadata">

**Author:** [@Shan](https://discourse.nodered.org/u/Shan)\
**Replies:** 1\
**Last updated:** [11 July 2022 10:17 UTC](https://discourse.nodered.org/t/what-are-the-consequences-of-passing-the-flows-environment-variable-within-node-red-to-a-different-flows-json-file/64936 "2022-07-11T10:17:28Z")

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Based on my previous query Where can I store subflow nodes with Broker / DB configuration except for \`/data/flows.json\` so that they show up in the Pallete? which did not have any reply. I found a potential solution of …

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## [Nodered very slow](https://discourse.nodered.org/t/nodered-very-slow/64899)

<div class="topic-metadata">

**Author:** [@Herbert](https://discourse.nodered.org/u/Herbert)\
**Replies:** 5\
**Last updated:** [11 July 2022 09:50 UTC](https://discourse.nodered.org/t/nodered-very-slow/64899 "2022-07-11T09:50:33Z")

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Hello. I tried something with MQTT from one Pi3to Pi400 in both directions. Some days after deploy the Pi 3 were slow. Today so slow I can´t do anything with Nodered. The rest of Pi works. I have an old flow export. I …

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## [Which database to choose for storing data (noob-friendly)](https://discourse.nodered.org/t/which-database-to-choose-for-storing-data-noob-friendly/64073)

<div class="topic-metadata">

**Author:** [@Bastian](https://discourse.nodered.org/u/Bastian)\
**Replies:** 4\
**Last updated:** [11 July 2022 09:35 UTC](https://discourse.nodered.org/t/which-database-to-choose-for-storing-data-noob-friendly/64073 "2022-07-11T09:35:29Z")

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Hi guys, I'm searching for a database to store measurements and time series data and wanted to hear if there is that one DB to choose for this purpose. I'm not a programmer but I have some experiences with Node-RED, py…

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## [Chart style fixing](https://discourse.nodered.org/t/chart-style-fixing/64927)

<div class="topic-metadata">

**Author:** [@Kundepuu](https://discourse.nodered.org/u/Kundepuu)\
**Replies:** 1\
**Last updated:** [11 July 2022 08:15 UTC](https://discourse.nodered.org/t/chart-style-fixing/64927 "2022-07-11T08:15:47Z")

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I use Amcharts heat map chart and need to change one property. I find from dev tool right place this is original fixed in dev tools I cant get right colors chart, if I try to write this overriding in templat…

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## [GPS Odometer / Python code](https://discourse.nodered.org/t/gps-odometer-python-code/64916)

<div class="topic-metadata">

**Author:** [@SaDr](https://discourse.nodered.org/u/SaDr)\
**Replies:** 2\
**Last updated:** [11 July 2022 07:18 UTC](https://discourse.nodered.org/t/gps-odometer-python-code/64916 "2022-07-11T07:18:48Z")

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Hello everyone, I've been trying to build a GPS Odometer for a few days now, with no success. I'm trying to interface the GPS output with Python code, but I don't have the knowledge. Could someone give me some advice or …

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## [No abre Node Red, mi PC rechaza la conexión](https://discourse.nodered.org/t/no-abre-node-red-mi-pc-rechaza-la-conexion/64697)

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**Author:** [@AlejandroPadilla](https://discourse.nodered.org/u/AlejandroPadilla)\
**Replies:** 6\
**Last updated:** [11 July 2022 07:13 UTC](https://discourse.nodered.org/t/no-abre-node-red-mi-pc-rechaza-la-conexion/64697 "2022-07-11T07:13:04Z")

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Buenas buena a todos, mi nombre es Alejandro y soy nuevo en el foro, las 2 razones de por estoy aqui son principalmente para aprender mas del tema de IIOT y por otro lado para pedir ayuda con un problema que no he podido…

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## [Send data from Runtime to Editor](https://discourse.nodered.org/t/send-data-from-runtime-to-editor/64798)

<div class="topic-metadata">

**Author:** [@dannyhuly](https://discourse.nodered.org/u/dannyhuly)\
**Replies:** 10\
**Last updated:** [11 July 2022 06:42 UTC](https://discourse.nodered.org/t/send-data-from-runtime-to-editor/64798 "2022-07-11T06:42:24Z")

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Hi, I would like to push messages from the runtime to the editor and use notify (or other method) to display them. I have stumbled across \[CommsConnection(Global - Documentation) which takes about WebSocket between the…

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## [Text input node datetime picker](https://discourse.nodered.org/t/text-input-node-datetime-picker/64913)

<div class="topic-metadata">

**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 3\
**Last updated:** [10 July 2022 21:12 UTC](https://discourse.nodered.org/t/text-input-node-datetime-picker/64913 "2022-07-10T21:12:01Z")

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The "date and time" option in the text input node is really promising. Users do not need to use a separate date picker with this option. There are two issues with the "date and time" option: Firefox compatibility. In…

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## [Store a value and reinsert it when flows start](https://discourse.nodered.org/t/store-a-value-and-reinsert-it-when-flows-start/64877)

<div class="topic-metadata">

**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 20\
**Last updated:** [10 July 2022 21:06 UTC](https://discourse.nodered.org/t/store-a-value-and-reinsert-it-when-flows-start/64877 "2022-07-10T21:06:19Z")

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I calculate the cost for my power consumption each hour and I put the different values into a Sum-node. This works fine, but I have noticed that if the flows restart the sum-node is empty. Is it possible to make a functi…

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## [Remote-access-Log](https://discourse.nodered.org/t/remote-access-log/64842)

<div class="topic-metadata">

**Author:** [@maxmueller50](https://discourse.nodered.org/u/maxmueller50)\
**Replies:** 10\
**Last updated:** [10 July 2022 19:11 UTC](https://discourse.nodered.org/t/remote-access-log/64842 "2022-07-10T19:11:30Z")

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Hi what is wrong concerning this Node-Red-Log:

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## [Scanner 2000 modbus rs485](https://discourse.nodered.org/t/scanner-2000-modbus-rs485/64860)

<div class="topic-metadata">

**Author:** [@artehack](https://discourse.nodered.org/u/artehack)\
**Replies:** 2\
**Last updated:** [10 July 2022 17:55 UTC](https://discourse.nodered.org/t/scanner-2000-modbus-rs485/64860 "2022-07-10T17:55:50Z")

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am testing node-red and I am trying to acquire data by modbus for reading in real time, the problem is that the values ​​are not delivered correctly and the owner register that I use to charge the gas supply does not rea…

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## [MySQL Database Output (\>500 rows) to be added to pdfmake](https://discourse.nodered.org/t/mysql-database-output-500-rows-to-be-added-to-pdfmake/64905)

<div class="topic-metadata">

**Author:** [@saxenaramesh](https://discourse.nodered.org/u/saxenaramesh)\
**Replies:** 4\
**Last updated:** [10 July 2022 17:19 UTC](https://discourse.nodered.org/t/mysql-database-output-500-rows-to-be-added-to-pdfmake/64905 "2022-07-10T17:19:25Z")

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I am reading data from mysql database. and want to publish this data to a pdf report along with other design elements. I could make a complete flow, thanks to all the help from various forum topics, however, I am struggl…

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## [Having issues with python3 and HA node red add-on](https://discourse.nodered.org/t/having-issues-with-python3-and-ha-node-red-add-on/64901)

<div class="topic-metadata">

**Author:** [@Bydandie](https://discourse.nodered.org/u/Bydandie)\
**Replies:** 5\
**Last updated:** [10 July 2022 15:04 UTC](https://discourse.nodered.org/t/having-issues-with-python3-and-ha-node-red-add-on/64901 "2022-07-10T15:04:53Z")

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Hi all, so I have a RPi 4 installed with HAOS on it, and have added node-red as an add-on. I'm trying to run a python script to communicate with my sofar solar inverter called sofar.py. When I run the script in termina…

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## [New release \>\> Raspberry Pico with Wi-Fi capability](https://discourse.nodered.org/t/new-release-raspberry-pico-with-wi-fi-capability/64533)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 20\
**Last updated:** [10 July 2022 15:00 UTC](https://discourse.nodered.org/t/new-release-raspberry-pico-with-wi-fi-capability/64533 "2022-07-10T15:00:14Z")

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Just seen this press release today (30th June 2022).

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## [Allow message to pass on the hour](https://discourse.nodered.org/t/allow-message-to-pass-on-the-hour/64897)

<div class="topic-metadata">

**Author:** [@harveyd](https://discourse.nodered.org/u/harveyd)\
**Replies:** 3\
**Last updated:** [10 July 2022 10:02 UTC](https://discourse.nodered.org/t/allow-message-to-pass-on-the-hour/64897 "2022-07-10T10:02:16Z")

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Hello All, I'm currently logging mqtt messages containing temperature and humidity data to an SQLite database. The messages come in every minute. All these messages are saved to a table which I will eventually set up pr…

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## [Push to an Array with a variable in its' name](https://discourse.nodered.org/t/push-to-an-array-with-a-variable-in-its-name/64898)

<div class="topic-metadata">

**Author:** [@tGr](https://discourse.nodered.org/u/tGr)\
**Replies:** 1\
**Last updated:** [10 July 2022 09:44 UTC](https://discourse.nodered.org/t/push-to-an-array-with-a-variable-in-its-name/64898 "2022-07-10T09:44:42Z")

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I have 8 channels of data coming into a function node, which is stored in flow conext as "gaugeData". This data is stored individually into it's own channel in flow context, added to a new array called CH1, CH2, ...CH8 e…

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## [Cannot connect to mosquitto MQTT Broker](https://discourse.nodered.org/t/cannot-connect-to-mosquitto-mqtt-broker/64807)

<div class="topic-metadata">

**Author:** [@nicolasg12](https://discourse.nodered.org/u/nicolasg12)\
**Replies:** 10\
**Last updated:** [10 July 2022 02:25 UTC](https://discourse.nodered.org/t/cannot-connect-to-mosquitto-mqtt-broker/64807 "2022-07-10T02:25:36Z")

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Hello, I have been learning node red for the past days and I wanted to start working with MQTT. For this I installed Mosquito on my Mac and created an MQTT broker. I know it works since I can play with it in the termina…

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## [Noob Question: Change Data Node divide array by 10](https://discourse.nodered.org/t/noob-question-change-data-node-divide-array-by-10/64892)

<div class="topic-metadata">

**Author:** [@ForumSchlampe](https://discourse.nodered.org/u/ForumSchlampe)\
**Replies:** 2\
**Last updated:** [9 July 2022 22:55 UTC](https://discourse.nodered.org/t/noob-question-change-data-node-divide-array-by-10/64892 "2022-07-09T22:55:46Z")

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Hi there, first steps with node red modbus and knx. I want to grab an outside temperature from an modbus device, this device sends the temperatue as array which should divided by 10. polling : msg.payload : array\[1\] …

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