# Latest

**URL:** https://discourse.nodered.org/latest.md?page=672

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

**Page:** 673

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## [Strange textbox widget behavior](https://discourse.nodered.org/t/strange-textbox-widget-behavior/55182)

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**Author:** [@wirehead](https://discourse.nodered.org/u/wirehead)\
**Replies:** 7\
**Last updated:** [16 December 2021 14:19 UTC](https://discourse.nodered.org/t/strange-textbox-widget-behavior/55182 "2021-12-16T14:19:45Z")

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Hello, Simple case: I subscribe a value from MQTT which is updated every ~40s. The string encodes a float, e. g "20.625" and forwards it to the text widget to display it with a fromat like this: {{msg.payload|number:1}}…

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## [Controlling the rules from external front end (React JS)](https://discourse.nodered.org/t/controlling-the-rules-from-external-front-end-react-js/55014)

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**Author:** [@SumeetBulani](https://discourse.nodered.org/u/SumeetBulani)\
**Replies:** 7\
**Last updated:** [16 December 2021 13:50 UTC](https://discourse.nodered.org/t/controlling-the-rules-from-external-front-end-react-js/55014 "2021-12-16T13:50:24Z")

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Hello community, I have a flow on my node red with certain rules set on the message object values (the value of objects are either sensor values or status of a sensor). And let's say I want to control the rules from th…

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## [Dashboard tabs not appearing on UI](https://discourse.nodered.org/t/dashboard-tabs-not-appearing-on-ui/55282)

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**Author:** [@peterhoyle](https://discourse.nodered.org/u/peterhoyle)\
**Replies:** 5\
**Last updated:** [16 December 2021 12:55 UTC](https://discourse.nodered.org/t/dashboard-tabs-not-appearing-on-ui/55282 "2021-12-16T12:55:09Z")

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Apologies for the repost- I had to redact some info from screenshots on the original post. Anyway - I've got a node red installation on a centos 8.5.2111 server which has been working fine gathering data from several re…

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## [Javascript Library in Template Node for Robot Visualization](https://discourse.nodered.org/t/javascript-library-in-template-node-for-robot-visualization/55288)

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**Author:** [@Vinzenz](https://discourse.nodered.org/u/Vinzenz)\
**Replies:** 0\
**Last updated:** [16 December 2021 12:47 UTC](https://discourse.nodered.org/t/javascript-library-in-template-node-for-robot-visualization/55288 "2021-12-16T12:47:51Z")

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Hi together, currently I am working on a project where I get data from a robot and visualize it in the Dashbaord. For visualization I use an external JS library. I searched through the forum and was able to import the J…

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## [MQTT/Node Red UI limitations](https://discourse.nodered.org/t/mqtt-node-red-ui-limitations/55283)

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**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 3\
**Last updated:** [16 December 2021 12:45 UTC](https://discourse.nodered.org/t/mqtt-node-red-ui-limitations/55283 "2021-12-16T12:45:00Z")

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Hello folks, I am running into a issue where I am using MQTT to read values and present them on Node red UI. Has anyone found that there is a limitation to how many things you can present on the UI at once? Has anyone…

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## [Query several Modbus meter by RS485 RTU Part 2](https://discourse.nodered.org/t/query-several-modbus-meter-by-rs485-rtu-part-2/55268)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 2\
**Last updated:** [16 December 2021 12:28 UTC](https://discourse.nodered.org/t/query-several-modbus-meter-by-rs485-rtu-part-2/55268 "2021-12-16T12:28:06Z")

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Hi, on may I´ve asked about querying modbus meters (Query several Modbus meter by RS485 RTU) now I've finally implemented it with 3 meters: SDM.json (85.3 KB) I just wanted to ask if there is any experience with th…

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## [node red exec node without sudo](https://discourse.nodered.org/t/node-red-exec-node-without-sudo/55225)

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**Author:** [@shinjihun1](https://discourse.nodered.org/u/shinjihun1)\
**Replies:** 14\
**Last updated:** [16 December 2021 11:46 UTC](https://discourse.nodered.org/t/node-red-exec-node-without-sudo/55225 "2021-12-16T11:46:44Z")

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Dear all Hi! node red exec node without sudo pi@raspberrypi:~ $ bash hello.sh HELLO pi@raspberrypi:~ $ python hello.py HELLO pi@raspberrypi:~ $ sudo python hello.py Error opening audio device (null) for capture: …

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## [Anyone looked at the Node-RED flows on the Velocity edge device?](https://discourse.nodered.org/t/anyone-looked-at-the-node-red-flows-on-the-velocity-edge-device/55237)

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**Author:** [@SimonJ](https://discourse.nodered.org/u/SimonJ)\
**Replies:** 8\
**Last updated:** [16 December 2021 11:23 UTC](https://discourse.nodered.org/t/anyone-looked-at-the-node-red-flows-on-the-velocity-edge-device/55237 "2021-12-16T11:23:50Z")

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This mobile edge computing device aggregates multiple connectivity types into Node-RED logic to provide robust solutions across various industries.

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## [Using External bluetooth low energy dongle instead of internal bluetooth](https://discourse.nodered.org/t/using-external-bluetooth-low-energy-dongle-instead-of-internal-bluetooth/55278)

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**Author:** [@JereLehtonen](https://discourse.nodered.org/u/JereLehtonen)\
**Replies:** 0\
**Last updated:** [16 December 2021 09:56 UTC](https://discourse.nodered.org/t/using-external-bluetooth-low-energy-dongle-instead-of-internal-bluetooth/55278 "2021-12-16T09:56:08Z")

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Hello! Not quite sure if this is the right place to ask for help, but . I'm creating a project where I have raspberry pi 3b+ inside my house and my main goal is to connect to the raspberry pi outside of my house. Probl…

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## [Node-red-node-mysql stops working after some time](https://discourse.nodered.org/t/node-red-node-mysql-stops-working-after-some-time/54607)

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**Author:** [@Safouene28](https://discourse.nodered.org/u/Safouene28)\
**Replies:** 13\
**Last updated:** [16 December 2021 09:37 UTC](https://discourse.nodered.org/t/node-red-node-mysql-stops-working-after-some-time/54607 "2021-12-16T09:37:50Z")

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Hello everyone , Every time after about an hour ( more or less ) node red stops reacting. Some nodes still work like the gui input buttons but others like MYSQL stop working. i tried to solve it with the mysqlReconnec…

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## [Uppy file uploader to payload](https://discourse.nodered.org/t/uppy-file-uploader-to-payload/55250)

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**Author:** [@thejollypop](https://discourse.nodered.org/u/thejollypop)\
**Replies:** 1\
**Last updated:** [16 December 2021 07:48 UTC](https://discourse.nodered.org/t/uppy-file-uploader-to-payload/55250 "2021-12-16T07:48:18Z")

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Hi all, I am trying to create a standalone uploader using UPPY and a single template node. The current window.alert or console.log method does show the uploaded file URL, however bind it as a scope function, doesn't wor…

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## [Openweathermap fails to install](https://discourse.nodered.org/t/openweathermap-fails-to-install/55253)

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**Author:** [@melvin](https://discourse.nodered.org/u/melvin)\
**Replies:** 4\
**Last updated:** [16 December 2021 07:16 UTC](https://discourse.nodered.org/t/openweathermap-fails-to-install/55253 "2021-12-16T07:16:35Z")

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For some reason it wont install and i desperately need it, for a uni assignment Does anybody know how one can fix this issue?

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## [Contrib? What does that mean?](https://discourse.nodered.org/t/contrib-what-does-that-mean/55251)

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**Author:** [@nosered1966](https://discourse.nodered.org/u/nosered1966)\
**Replies:** 3\
**Last updated:** [15 December 2021 23:04 UTC](https://discourse.nodered.org/t/contrib-what-does-that-mean/55251 "2021-12-15T23:04:29Z")

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Hi all, I often see packages which only differ in "contrib" in the name? What does that mean? Thx Thomas

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## [Motion, timers and lights / getting started](https://discourse.nodered.org/t/motion-timers-and-lights-getting-started/55112)

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**Author:** [@bluescreentt](https://discourse.nodered.org/u/bluescreentt)\
**Replies:** 9\
**Last updated:** [15 December 2021 22:26 UTC](https://discourse.nodered.org/t/motion-timers-and-lights-getting-started/55112 "2021-12-15T22:26:41Z")

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Hi I am using Node-Red on Home Assistant. I am new to Node-Red and Home Assistant lets take an example i have a Sonoff motion sensor when activated it triggers a Sonoff basic switch that turns on the lamp on the nig…

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## [Node-RED in Docker Logging](https://discourse.nodered.org/t/node-red-in-docker-logging/55195)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 2\
**Last updated:** [15 December 2021 21:38 UTC](https://discourse.nodered.org/t/node-red-in-docker-logging/55195 "2021-12-15T21:38:51Z")

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I recently had an issue where I needed to look at the log information for my flows during a restart. Having changed the logging level to trace, I found that my view of the console messages only showed so many lines. As a…

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## [Flow to trigger when a boolean changes state in Home Assistant](https://discourse.nodered.org/t/flow-to-trigger-when-a-boolean-changes-state-in-home-assistant/55248)

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**Author:** [@neilsonwheels](https://discourse.nodered.org/u/neilsonwheels)\
**Replies:** 1\
**Last updated:** [15 December 2021 21:24 UTC](https://discourse.nodered.org/t/flow-to-trigger-when-a-boolean-changes-state-in-home-assistant/55248 "2021-12-15T21:24:52Z")

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I'm looking for a flow in my Home Assistant system that will trigger a Google TTS node when a boolean switches state from ON-OFF or OFF-ON. I want this to be a one time occurence at the point when the state changes. I ho…

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## [Node-red-contrib-googlehome](https://discourse.nodered.org/t/node-red-contrib-googlehome/55204)

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**Author:** [@nightmare1](https://discourse.nodered.org/u/nightmare1)\
**Replies:** 3\
**Last updated:** [15 December 2021 21:23 UTC](https://discourse.nodered.org/t/node-red-contrib-googlehome/55204 "2021-12-15T21:23:22Z")

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Thanks in advance, im trying to set up node-red-contrib-googlehome. Firstly i will say what im trying to do, just encase this is not a suitable solution. I want to display my thermometer from home assistant in the goog…

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## [Wired ethernet relays](https://discourse.nodered.org/t/wired-ethernet-relays/54900)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 20\
**Last updated:** [15 December 2021 19:50 UTC](https://discourse.nodered.org/t/wired-ethernet-relays/54900 "2021-12-15T19:50:35Z")

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Hi folks, Brands like Shelly have very nice WIFI switches (with MQTT support), which allow you to control 230V devices easily from Node-RED: I have some limitations regarding WIFI, so I was wondering if somebody has …

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## [Monaco editor read-only (can't type in function node)](https://discourse.nodered.org/t/monaco-editor-read-only-cant-type-in-function-node/55245)

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**Author:** [@svefro](https://discourse.nodered.org/u/svefro)\
**Replies:** 2\
**Last updated:** [15 December 2021 19:42 UTC](https://discourse.nodered.org/t/monaco-editor-read-only-cant-type-in-function-node/55245 "2021-12-15T19:42:36Z")

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i recently upgraded to 2.1.4 and enabled 'monaco' editor after the upgrade. i wanted to try this in the previous version but it was read-only so i went back to ace. Now i wanted to see if the read-only "bug" was fixed…

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## [How to load date\[\] from the Apex chart with msg.payload?](https://discourse.nodered.org/t/how-to-load-date-from-the-apex-chart-with-msg-payload/55242)

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**Author:** [@jonatanallan2k11](https://discourse.nodered.org/u/jonatanallan2k11)\
**Replies:** 13\
**Last updated:** [15 December 2021 19:35 UTC](https://discourse.nodered.org/t/how-to-load-date-from-the-apex-chart-with-msg-payload/55242 "2021-12-15T19:35:52Z")

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Hello, everyone! I'm starting in node-red and trying to load the msg.payload data inside the apex chart, but to no avail. Grateful index.html \<!doctype html\> \<html lang="en"\> \<head\> \<meta charset="utf…

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## [NodeRed Desktop Version Doesn't Save Import](https://discourse.nodered.org/t/nodered-desktop-version-doesnt-save-import/55055)

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**Author:** [@davidmarch](https://discourse.nodered.org/u/davidmarch)\
**Replies:** 5\
**Last updated:** [15 December 2021 17:29 UTC](https://discourse.nodered.org/t/nodered-desktop-version-doesnt-save-import/55055 "2021-12-15T17:29:48Z")

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I just downloaded the NodeRed Desktop version for PC. Convenient. But it won't save flows that are imported. There a no new nodes in the import. It simply doesn't store the flow. Any ideas? Thank you Dave

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## [Alexa what is the tank level?](https://discourse.nodered.org/t/alexa-what-is-the-tank-level/54914)

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**Author:** [@camo200sx](https://discourse.nodered.org/u/camo200sx)\
**Replies:** 19\
**Last updated:** [15 December 2021 15:59 UTC](https://discourse.nodered.org/t/alexa-what-is-the-tank-level/54914 "2021-12-15T15:59:08Z")

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Any help would be appreciated. I have an ESP8266 that logs a volume in liters (going to change to a percentage but that irrelevant) to an mqtt broker. I have this value in node red and would like to ask Alexa to retrieve…

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## [Errors when pushing to a remote Github repository](https://discourse.nodered.org/t/errors-when-pushing-to-a-remote-github-repository/55026)

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**Author:** [@placid](https://discourse.nodered.org/u/placid)\
**Replies:** 4\
**Last updated:** [15 December 2021 13:44 UTC](https://discourse.nodered.org/t/errors-when-pushing-to-a-remote-github-repository/55026 "2021-12-15T13:44:15Z")

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Node-RED version: 2.1.4 I created a project Projects-\>New and filled out the forms. Used Projects-\>Project Setting-\>Settings to specify a remote Git repository (a new repository that I created on Github) Added some n…

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## [Mongodb on Atlas?](https://discourse.nodered.org/t/mongodb-on-atlas/55213)

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**Author:** [@superace](https://discourse.nodered.org/u/superace)\
**Replies:** 2\
**Last updated:** [15 December 2021 13:31 UTC](https://discourse.nodered.org/t/mongodb-on-atlas/55213 "2021-12-15T13:31:08Z")

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Hi, I am trying to get a raspberry with node-red 2.1.4 to connect to my Atlas mongodb instance. It should not be that hard right? But I really struggle to get a connection so I am going back to basics and ask here. I h…

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## [Parse 8 bit value from string](https://discourse.nodered.org/t/parse-8-bit-value-from-string/55224)

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**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 6\
**Last updated:** [15 December 2021 13:07 UTC](https://discourse.nodered.org/t/parse-8-bit-value-from-string/55224 "2021-12-15T13:07:57Z")

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I am receiving this string from a Pic micro using an RS484 to serial (USB) converter. FE5A6144141A140C1413142324222000� The last char, showing as a replacement char of something that cannot be displayed, it is a 8bit v…

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## [Modify the mysql Node properties via dashboard](https://discourse.nodered.org/t/modify-the-mysql-node-properties-via-dashboard/55231)

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**Author:** [@Rum1](https://discourse.nodered.org/u/Rum1)\
**Replies:** 3\
**Last updated:** [15 December 2021 12:35 UTC](https://discourse.nodered.org/t/modify-the-mysql-node-properties-via-dashboard/55231 "2021-12-15T12:35:06Z")

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Hello together, is it possible to modify the properties of the mysql Node via text input (or something else) from the dashboard. Or does anyone know if it is possible to configure the properties of a Node via dash…

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## [Send error when payload is empty](https://discourse.nodered.org/t/send-error-when-payload-is-empty/54564)

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**Author:** [@cysoz](https://discourse.nodered.org/u/cysoz)\
**Replies:** 5\
**Last updated:** [15 December 2021 12:25 UTC](https://discourse.nodered.org/t/send-error-when-payload-is-empty/54564 "2021-12-15T12:25:08Z")

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I have flow, connected to PLC S7 and I collect data and send to MQTT, but when network is disconnected I not collect data. I prepare function: const x = msg.payload; try{ if(x == "") throw "empty"; node.statu…

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## [Register to Signal Texting Service](https://discourse.nodered.org/t/register-to-signal-texting-service/55220)

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**Author:** [@horchi](https://discourse.nodered.org/u/horchi)\
**Replies:** 5\
**Last updated:** [15 December 2021 12:14 UTC](https://discourse.nodered.org/t/register-to-signal-texting-service/55220 "2021-12-15T12:14:37Z")

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If I try register the signal-client I get: "Signal client error: {"name":"HTTPError","code":402,"response":"\<html\>\\n\<head\>\\n\<meta http-equiv=\\"Content-Type\\" content=\\"text/html;charset=utf-8\\"/\>\\n\<title\>Error 402 Payme…

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## [Start video on hdmi with node red](https://discourse.nodered.org/t/start-video-on-hdmi-with-node-red/55228)

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**Author:** [@azertym](https://discourse.nodered.org/u/azertym)\
**Replies:** 6\
**Last updated:** [15 December 2021 11:53 UTC](https://discourse.nodered.org/t/start-video-on-hdmi-with-node-red/55228 "2021-12-15T11:53:42Z")

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Hi all, I want test something with node red and one raspberry pi. I use HC SR04 (ultra sonic sensor). If my SR04 is under 10 i want play a video. Si for this i use the node RPI-SRF and i made a little function. if(ms…

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## [How to activate encryption for EnOcean?](https://discourse.nodered.org/t/how-to-activate-encryption-for-enocean/55234)

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**Author:** [@ZinkerRocky](https://discourse.nodered.org/u/ZinkerRocky)\
**Replies:** 0\
**Last updated:** [15 December 2021 11:44 UTC](https://discourse.nodered.org/t/how-to-activate-encryption-for-enocean/55234 "2021-12-15T11:44:41Z")

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Hello, I already searched for it, but I don’t find anything about how (or if it’s even possible) to use encryption for EnOcean devices. I use the USB 300 and the PTM 215 which allows to enable an encrypted mode. But I d…

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