# Latest

**URL:** https://discourse.nodered.org/latest.md?page=737

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

**Page:** 738

---

## [Html node not extracting content](https://discourse.nodered.org/t/html-node-not-extracting-content/50795)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 12\
**Last updated:** [9 September 2021 13:18 UTC](https://discourse.nodered.org/t/html-node-not-extracting-content/50795 "2021-09-09T13:18:46Z")

</div>

With this simplistic flow, should the html node be able to get the contents of the .name element ? \[{"id":"c5073e7167dfd3b0","type":"inject","z":"07c0e534b17ff9a0","name":"","props":\[{"p":"payload"},{"p":"topic","vt"…

---

## [Cannot install rpi-gpio after update](https://discourse.nodered.org/t/cannot-install-rpi-gpio-after-update/50807)

<div class="topic-metadata">

**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 1\
**Last updated:** [9 September 2021 10:48 UTC](https://discourse.nodered.org/t/cannot-install-rpi-gpio-after-update/50807 "2021-09-09T10:48:58Z")

</div>

After updating an node red raspberry v0.21 to latest with the script i keep getting error for the node-red-node-pi-gpio. tried update, uninstall, reboot, reinstall again but no succes on installing. the error the log gi…

---

## [Mysql node config externally](https://discourse.nodered.org/t/mysql-node-config-externally/8626)

<div class="topic-metadata">

**Author:** [@keremkos](https://discourse.nodered.org/u/keremkos)\
**Replies:** 8\
**Last updated:** [9 September 2021 10:43 UTC](https://discourse.nodered.org/t/mysql-node-config-externally/8626 "2021-09-09T10:43:20Z")

</div>

Hi, I am using mysql node and successfully connect to my DB. Mysql node is currently configured from the node settings; such as "Host", "User", "Password" entries. I would like to send these config parameters externall…

---

## [Newbie question about extracting the data from buffer](https://discourse.nodered.org/t/newbie-question-about-extracting-the-data-from-buffer/50753)

<div class="topic-metadata">

**Author:** [@Volt](https://discourse.nodered.org/u/Volt)\
**Replies:** 8\
**Last updated:** [9 September 2021 09:35 UTC](https://discourse.nodered.org/t/newbie-question-about-extracting-the-data-from-buffer/50753 "2021-09-09T09:35:49Z")

</div>

Hello to all fellow forum members - this is my first post. I have a problem regarding reading data from a device. I have a device that provides information in the form of data frames - for example: {"topic":"","payloa…

---

## [Small request for text input node](https://discourse.nodered.org/t/small-request-for-text-input-node/50798)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [9 September 2021 08:52 UTC](https://discourse.nodered.org/t/small-request-for-text-input-node/50798 "2021-09-09T08:52:19Z")

</div>

After a bit of pfaffing around I remembered the text input node can be configured for input of time. And a few other things as well. One thing I think is missing is a day of the week picker. (It does month, week....) …

---

## [Feature suggestion/question "mirrored" nodes](https://discourse.nodered.org/t/feature-suggestion-question-mirrored-nodes/50801)

<div class="topic-metadata">

**Author:** [@eastling](https://discourse.nodered.org/u/eastling)\
**Replies:** 7\
**Last updated:** [9 September 2021 08:49 UTC](https://discourse.nodered.org/t/feature-suggestion-question-mirrored-nodes/50801 "2021-09-09T08:49:25Z")

</div>

Hi, To increase reuse of nodes it would be intresting to see a feature where it would be possible to create a node that is a mirrored copy of another node in terms of properties (except from properties that describe int…

---

## [Looking for a node to pick time. GUI](https://discourse.nodered.org/t/looking-for-a-node-to-pick-time-gui/50797)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [9 September 2021 07:31 UTC](https://discourse.nodered.org/t/looking-for-a-node-to-pick-time-gui/50797 "2021-09-09T07:31:36Z")

</div>

The date node is nice to pick a date..... Is there one to pick a time in a similar way?

---

## [What is good hardware based on your experience to run Node-RED?](https://discourse.nodered.org/t/what-is-good-hardware-based-on-your-experience-to-run-node-red/2963)

<div class="topic-metadata">

**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 45\
**Last updated:** [9 September 2021 01:47 UTC](https://discourse.nodered.org/t/what-is-good-hardware-based-on-your-experience-to-run-node-red/2963 "2021-09-09T01:47:10Z")

</div>

Currently I am running Node-RED on 3 raspberry PIs (model B version 2). I am very pleased with the stability. Never had hardware issues that I couldn't fix. So is there other hardware that can be used to run Node-RED a…

---

## [NodeRed authentication behind Nginx-proxy](https://discourse.nodered.org/t/nodered-authentication-behind-nginx-proxy/50761)

<div class="topic-metadata">

**Author:** [@sergiobaiao](https://discourse.nodered.org/u/sergiobaiao)\
**Replies:** 1\
**Last updated:** [8 September 2021 23:06 UTC](https://discourse.nodered.org/t/nodered-authentication-behind-nginx-proxy/50761 "2021-09-08T23:06:23Z")

</div>

Hi there, I'm trying to setup an IFTTT integration with NodeRed, but i'm running into trouble with authentication. First of all, I'm running nodered with adminAuth enabled. Then i've setup nginx proxy like this: serve…

---

## [The alexa last device](https://discourse.nodered.org/t/the-alexa-last-device/50778)

<div class="topic-metadata">

**Author:** [@Dregi56](https://discourse.nodered.org/u/Dregi56)\
**Replies:** 1\
**Last updated:** [8 September 2021 21:16 UTC](https://discourse.nodered.org/t/the-alexa-last-device/50778 "2021-09-08T21:16:45Z")

</div>

How could you go about finding the name of the last used Alexa device? The one who was last spoken to?

---

## [Numeric, text input, and slider questions/ideas](https://discourse.nodered.org/t/numeric-text-input-and-slider-questions-ideas/12832)

<div class="topic-metadata">

**Author:** [@thatcadguy](https://discourse.nodered.org/u/thatcadguy)\
**Replies:** 7\
**Last updated:** [8 September 2021 19:25 UTC](https://discourse.nodered.org/t/numeric-text-input-and-slider-questions-ideas/12832 "2021-09-08T19:25:42Z")

</div>

For the numeric input widget: is it possible to have the option to use a text input as opposed to having to use up and down arrows? Similarly, is it possible to pass a validation function to the text input node to achie…

---

## [Post JSON object to InfluxDB](https://discourse.nodered.org/t/post-json-object-to-influxdb/50759)

<div class="topic-metadata">

**Author:** [@nisitpuk](https://discourse.nodered.org/u/nisitpuk)\
**Replies:** 3\
**Last updated:** [8 September 2021 17:42 UTC](https://discourse.nodered.org/t/post-json-object-to-influxdb/50759 "2021-09-08T17:42:51Z")

</div>

Hi, everyone I try to post the JSON data into influx but when I post it database by http://localhost:8086/write?db=weathermap it doesn't work. How can I fix this issue \[ { "id": "82c273f1293e06ae", …

---

## [Help with the Maths/Javascript on this one please](https://discourse.nodered.org/t/help-with-the-maths-javascript-on-this-one-please/50732)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 9\
**Last updated:** [8 September 2021 16:58 UTC](https://discourse.nodered.org/t/help-with-the-maths-javascript-on-this-one-please/50732 "2021-09-08T16:58:09Z")

</div>

Guys, I have my 3 inverters feeding me information - one part of which is state of charge (SOC) of the batteries that are attached to each unit. These will slowly creep out of sync over time - i would like a way dynami…

---

## [Trying to dynamically set specific Echo for speaking](https://discourse.nodered.org/t/trying-to-dynamically-set-specific-echo-for-speaking/50772)

<div class="topic-metadata">

**Author:** [@patrickm](https://discourse.nodered.org/u/patrickm)\
**Replies:** 0\
**Last updated:** [8 September 2021 16:55 UTC](https://discourse.nodered.org/t/trying-to-dynamically-set-specific-echo-for-speaking/50772 "2021-09-08T16:55:39Z")

</div>

I am new to NodeRed and I'm trying to setup a flow where the spoken text is directed to the Echo that triggered the NodeRed and external event. The Echo triggers a non NodeRed event which generates a MQTT message which …

---

## [Delay in writing modbus](https://discourse.nodered.org/t/delay-in-writing-modbus/50511)

<div class="topic-metadata">

**Author:** [@jlqautomacao](https://discourse.nodered.org/u/jlqautomacao)\
**Replies:** 12\
**Last updated:** [8 September 2021 16:46 UTC](https://discourse.nodered.org/t/delay-in-writing-modbus/50511 "2021-09-08T16:46:56Z")

</div>

I'm having trouble writing modbus, is slowing down. Does anyone know how to leave writing in real time? follows the project.

---

## [Hyperledger fabric for trusted iot Nodered](https://discourse.nodered.org/t/hyperledger-fabric-for-trusted-iot-nodered/50769)

<div class="topic-metadata">

**Author:** [@70G37H3R](https://discourse.nodered.org/u/70G37H3R)\
**Replies:** 0\
**Last updated:** [8 September 2021 15:25 UTC](https://discourse.nodered.org/t/hyperledger-fabric-for-trusted-iot-nodered/50769 "2021-09-08T15:25:45Z")

</div>

Nobody knows? Please help me! Hyperledger Fabric error with socket hang up My repo: 70G37H3R/fabric-iot-swarm (github.com)

---

## [Sending an \\r to TCP devices](https://discourse.nodered.org/t/sending-an-r-to-tcp-devices/50544)

<div class="topic-metadata">

**Author:** [@om327](https://discourse.nodered.org/u/om327)\
**Replies:** 5\
**Last updated:** [8 September 2021 14:33 UTC](https://discourse.nodered.org/t/sending-an-r-to-tcp-devices/50544 "2021-09-08T14:33:19Z")

</div>

Hello, I'm trying to connect to an external device using the TCP/IP node. I need to send the command string ON followed by a carrage return \\r. I've tried sending ON\\r using the exchnage function and the inject function…

---

## [Hass.io - Call Service node: No Connection but works when called](https://discourse.nodered.org/t/hass-io-call-service-node-no-connection-but-works-when-called/11300)

<div class="topic-metadata">

**Author:** [@Coolhwhip](https://discourse.nodered.org/u/Coolhwhip)\
**Replies:** 2\
**Last updated:** [8 September 2021 13:54 UTC](https://discourse.nodered.org/t/hass-io-call-service-node-no-connection-but-works-when-called/11300 "2021-09-08T13:54:11Z")

</div>

This is a strange bug. I just upgraded to version 3.0.3 via Hass.io and noticed I'm getting a not connected error using the call service node. When I deploy a flow it tells me no connection and shows the "Call-Service at…

---

## [Receiving mqtt from multiple TTN applications](https://discourse.nodered.org/t/receiving-mqtt-from-multiple-ttn-applications/50762)

<div class="topic-metadata">

**Author:** [@Amir](https://discourse.nodered.org/u/Amir)\
**Replies:** 4\
**Last updated:** [8 September 2021 13:25 UTC](https://discourse.nodered.org/t/receiving-mqtt-from-multiple-ttn-applications/50762 "2021-09-08T13:25:30Z")

</div>

Hello everyone, I’m trying to receive sensors data that comes from different applications using MQTT integration and Node-Red, the issue that I’m facing is that extracting only one application is working fine and I can…

---

## [IP Cam Stream on Dashboard](https://discourse.nodered.org/t/ip-cam-stream-on-dashboard/50584)

<div class="topic-metadata">

**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 14\
**Last updated:** [8 September 2021 12:40 UTC](https://discourse.nodered.org/t/ip-cam-stream-on-dashboard/50584 "2021-09-08T12:40:18Z")

</div>

Greetings, I would like to get the live stream of some IP LAN Cams on my Dashboard. Models: Foscam D2EP/G2EP. Is there a simple way for that? maybe as html per template node,HTML Endpoint or something like that? Perh…

---

## [Is there any Node available for HAIWELL PLCs?](https://discourse.nodered.org/t/is-there-any-node-available-for-haiwell-plcs/50755)

<div class="topic-metadata">

**Author:** [@HAB](https://discourse.nodered.org/u/HAB)\
**Replies:** 1\
**Last updated:** [8 September 2021 11:40 UTC](https://discourse.nodered.org/t/is-there-any-node-available-for-haiwell-plcs/50755 "2021-09-08T11:40:52Z")

</div>

Hi, I am a newbie when comes to automation. For a start, I have a T32S0R Haiwell PLC. I want to send its data to Azure or AWS cloud. But couldn't find any node in Manage Pallet section for it like it has for Siemens, Om…

---

## [Whenever there is now ID in MySQL show it to msg.debug](https://discourse.nodered.org/t/whenever-there-is-now-id-in-mysql-show-it-to-msg-debug/50751)

<div class="topic-metadata">

**Author:** [@idlvpfk](https://discourse.nodered.org/u/idlvpfk)\
**Replies:** 6\
**Last updated:** [8 September 2021 11:05 UTC](https://discourse.nodered.org/t/whenever-there-is-now-id-in-mysql-show-it-to-msg-debug/50751 "2021-09-08T11:05:04Z")

</div>

Hi guys, And again I can't find proper solution for my scenario. I have succesfully established connection between node-red and MySQL , SELECT is working flawlessly, but I can't mind how to receive msg.debug whenever t…

---

## [A jsgf (JSpeech Grammar Format) parser / permutator subflow](https://discourse.nodered.org/t/a-jsgf-jspeech-grammar-format-parser-permutator-subflow/44419)

<div class="topic-metadata">

**Author:** [@JGKK](https://discourse.nodered.org/u/JGKK)\
**Replies:** 5\
**Last updated:** [7 September 2021 07:51 UTC](https://discourse.nodered.org/t/a-jsgf-jspeech-grammar-format-parser-permutator-subflow/44419 "2021-09-07T07:51:42Z")

</div>

I build a “simple” subflow that can parse jsgf grammars to output all possible permutations defined by the grammar. https://flows.nodered.org/flow/c24c2981ed955374c0eef6083d0e5f7c This can be used to quickly create a c…

---

## [Creating a flow to show data from CSV FILE](https://discourse.nodered.org/t/creating-a-flow-to-show-data-from-csv-file/50692)

<div class="topic-metadata">

**Author:** [@Gurjas](https://discourse.nodered.org/u/Gurjas)\
**Replies:** 4\
**Last updated:** [8 September 2021 07:33 UTC](https://discourse.nodered.org/t/creating-a-flow-to-show-data-from-csv-file/50692 "2021-09-08T07:33:18Z")

</div>

---

## [In Node-red how to close tcp session](https://discourse.nodered.org/t/in-node-red-how-to-close-tcp-session/50719)

<div class="topic-metadata">

**Author:** [@rahul123-dotcom](https://discourse.nodered.org/u/rahul123-dotcom)\
**Replies:** 0\
**Last updated:** [7 September 2021 18:04 UTC](https://discourse.nodered.org/t/in-node-red-how-to-close-tcp-session/50719 "2021-09-07T18:04:17Z")

</div>

Using node-red I am integrating teltonika GPS device(Teltonika Data Sending Protocols - Wiki Knowledge Base | Teltonika GPS). In node-red I am receiving data through tcp listener node . Whenever the device creates connec…

---

## [Integration testing for node-red](https://discourse.nodered.org/t/integration-testing-for-node-red/50735)

<div class="topic-metadata">

**Author:** [@chiche](https://discourse.nodered.org/u/chiche)\
**Replies:** 0\
**Last updated:** [8 September 2021 03:04 UTC](https://discourse.nodered.org/t/integration-testing-for-node-red/50735 "2021-09-08T03:04:59Z")

</div>

I want to do integration testing for my node on Node-red. Currently, I am doing the following: Install nyc and start with nyc $npm i nyc --save node $nyc --reporter=html node red.js Add, edit, delete nodes on the da…

---

## [Google spreadsheet to ui\_table](https://discourse.nodered.org/t/google-spreadsheet-to-ui-table/50698)

<div class="topic-metadata">

**Author:** [@xpqrs97](https://discourse.nodered.org/u/xpqrs97)\
**Replies:** 1\
**Last updated:** [8 September 2021 01:17 UTC](https://discourse.nodered.org/t/google-spreadsheet-to-ui-table/50698 "2021-09-08T01:17:23Z")

</div>

Hi, currently im doing some flow about key in some data inside the google sheet, and then the data will be fetch by using the google sheet nodes that i downloaded at node-red-contrib-google-sheets (node) - Node-RED . Whe…

---

## [STM32 Cubemonitor and saving data to .csv (excel)](https://discourse.nodered.org/t/stm32-cubemonitor-and-saving-data-to-csv-excel/50727)

<div class="topic-metadata">

**Author:** [@RistoJT](https://discourse.nodered.org/u/RistoJT)\
**Replies:** 0\
**Last updated:** [7 September 2021 22:44 UTC](https://discourse.nodered.org/t/stm32-cubemonitor-and-saving-data-to-csv-excel/50727 "2021-09-07T22:44:35Z")

</div>

Hello all, I'm using STM32CubeMonitor which is Runtime Variable Monitoring tool and allows non-intrusive debugging off STM MCU's. Cubemonitor is really nice tool in SW debugging and so far I have just used it to look v…

---

## [Node-Red, Tesla, Meross Garage opener MSG100 Request for help](https://discourse.nodered.org/t/node-red-tesla-meross-garage-opener-msg100-request-for-help/50724)

<div class="topic-metadata">

**Author:** [@dansche](https://discourse.nodered.org/u/dansche)\
**Replies:** 0\
**Last updated:** [7 September 2021 20:51 UTC](https://discourse.nodered.org/t/node-red-tesla-meross-garage-opener-msg100-request-for-help/50724 "2021-09-07T20:51:21Z")

</div>

Hi Node Red specialists I‘m a total noob with Node-red and have seen a possibility to automate something cool. I have a Tesla Model 3, I use Teslamate and I have a Meross MSG100 Garage door opener. What would I like t…

---

## [Calculating AQI with Node-Red?](https://discourse.nodered.org/t/calculating-aqi-with-node-red/48001)

<div class="topic-metadata">

**Author:** [@Matt.L](https://discourse.nodered.org/u/Matt.L)\
**Replies:** 5\
**Last updated:** [7 September 2021 19:46 UTC](https://discourse.nodered.org/t/calculating-aqi-with-node-red/48001 "2021-09-07T19:46:45Z")

</div>

I'm trying to see if there is either an existing node or example flow that can help me calculate the US AQI value from PM2.5 and PM10 readings. I have an SDS011 particulate sensor connected to a NodeMCU that is then pub…

[Previous page](https://discourse.nodered.org/latest.md?page=736)

[Next page](https://discourse.nodered.org/latest.md?page=738)