# Latest

**URL:** https://discourse.nodered.org/latest.md?page=787

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

**Page:** 788

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## [Zigbee (Nodes node-red-contrib-zigbee) read Power from BlitzWolf Plug](https://discourse.nodered.org/t/zigbee-nodes-node-red-contrib-zigbee-read-power-from-blitzwolf-plug/47478)

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**Author:** [@MisterD66](https://discourse.nodered.org/u/MisterD66)\
**Replies:** 4\
**Last updated:** [23 June 2021 23:50 UTC](https://discourse.nodered.org/t/zigbee-nodes-node-red-contrib-zigbee-read-power-from-blitzwolf-plug/47478 "2021-06-23T23:50:02Z")

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Hello, I just bought some smartplugs to measure energy of different things. I paired them succesfull and i can switch them but i dont understand how to read the values described in the link above. Power (numeric) In…

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## [Sharing config nodes between separate packages](https://discourse.nodered.org/t/sharing-config-nodes-between-separate-packages/47547)

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**Author:** [@mdkrieg](https://discourse.nodered.org/u/mdkrieg)\
**Replies:** 4\
**Last updated:** [23 June 2021 23:03 UTC](https://discourse.nodered.org/t/sharing-config-nodes-between-separate-packages/47547 "2021-06-23T23:03:32Z")

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Hello, I recently decided to separate one of my node-red-contrib packages into two packages. I did this because some of the nodes were becoming redundant but offered a simpler method of usage. My problem is that they b…

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## [How to create an Modbus-TCP alarm status dashboard](https://discourse.nodered.org/t/how-to-create-an-modbus-tcp-alarm-status-dashboard/43041)

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**Author:** [@lucibuz](https://discourse.nodered.org/u/lucibuz)\
**Replies:** 47\
**Last updated:** [23 June 2021 23:00 UTC](https://discourse.nodered.org/t/how-to-create-an-modbus-tcp-alarm-status-dashboard/43041 "2021-06-23T23:00:34Z")

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My goal is to motorize 350 addresses of a PLC over a modebus-tcp, and if any of the values are different then 0 (zero) to display on a dashboard those address, the corresponding status (based on the value reported) and t…

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## [Subflow context problems. Losing their values while active](https://discourse.nodered.org/t/subflow-context-problems-losing-their-values-while-active/45516)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 16\
**Last updated:** [23 June 2021 22:05 UTC](https://discourse.nodered.org/t/subflow-context-problems-losing-their-values-while-active/45516 "2021-06-23T22:05:26Z")

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(Machine rebooting just now) I got onto subflows after being haunted by having the same bit of code in multiple places for multiple machines and when I had to fix one, I had to fix a lot. So I made a subflow of it. A…

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## [What would be good strategies for developing frontend with Vue inside a flow?](https://discourse.nodered.org/t/what-would-be-good-strategies-for-developing-frontend-with-vue-inside-a-flow/47511)

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**Author:** [@raylight](https://discourse.nodered.org/u/raylight)\
**Replies:** 5\
**Last updated:** [23 June 2021 20:40 UTC](https://discourse.nodered.org/t/what-would-be-good-strategies-for-developing-frontend-with-vue-inside-a-flow/47511 "2021-06-23T20:40:58Z")

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Usually, I create simple frontend pages on Node-RED with the following structure: This works fine for simple projects, but I'd like to start using a framework like Vue for building pages. The problem here is that peo…

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## [Install python package on node red in synology docker](https://discourse.nodered.org/t/install-python-package-on-node-red-in-synology-docker/47549)

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**Author:** [@deejay](https://discourse.nodered.org/u/deejay)\
**Replies:** 0\
**Last updated:** [23 June 2021 20:24 UTC](https://discourse.nodered.org/t/install-python-package-on-node-red-in-synology-docker/47549 "2021-06-23T20:24:56Z")

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I run /nodered/node-red/ in docker on a Synology NAS. I can run the command 'python3 --version' using the 'exec' node that returns 'python 3.8.10'. When I try to run a python3 script with the command 'python3 \<path to …

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## [Combine 2 Sensor outputs](https://discourse.nodered.org/t/combine-2-sensor-outputs/47456)

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**Author:** [@GTiglio](https://discourse.nodered.org/u/GTiglio)\
**Replies:** 3\
**Last updated:** [23 June 2021 19:34 UTC](https://discourse.nodered.org/t/combine-2-sensor-outputs/47456 "2021-06-23T19:34:04Z")

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Hi all, …this can‘t be that complicated… :-/ Ich have 2 messages coming via MQTT, one delivers true or false, the other one delivers a number, which I converted via a function-node also into a boolean. Now I want to co…

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## [Need Cloudant Examples](https://discourse.nodered.org/t/need-cloudant-examples/47545)

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**Author:** [@stav](https://discourse.nodered.org/u/stav)\
**Replies:** 0\
**Last updated:** [23 June 2021 18:19 UTC](https://discourse.nodered.org/t/need-cloudant-examples/47545 "2021-06-23T18:19:21Z")

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Hi. I am looking for examples working with Cloudant in Node-Red, especially for reading and searching the database. Please share here if a helpful example comes to mind. Thank you :pray:

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## [Control GPIO pins](https://discourse.nodered.org/t/control-gpio-pins/47530)

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**Author:** [@nada3s](https://discourse.nodered.org/u/nada3s)\
**Replies:** 3\
**Last updated:** [23 June 2021 17:24 UTC](https://discourse.nodered.org/t/control-gpio-pins/47530 "2021-06-23T17:24:04Z")

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hello, I need to control GPIO pins of the mdot board based on ARM microcontroller . how can I do it please??

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## [Embedding a H265 video stream into the NodeRED dashboard](https://discourse.nodered.org/t/embedding-a-h265-video-stream-into-the-nodered-dashboard/47540)

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**Author:** [@dpina](https://discourse.nodered.org/u/dpina)\
**Replies:** 0\
**Last updated:** [23 June 2021 17:14 UTC](https://discourse.nodered.org/t/embedding-a-h265-video-stream-into-the-nodered-dashboard/47540 "2021-06-23T17:14:55Z")

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Hello, Sorry if this question seems a bit ignorant but I'm pretty new to NodeRED. I'd like to know if the NodeRed dashboard supports having live video feeds, specifically from cameras that encode the video into a H265 …

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## [CSV files and to add the values](https://discourse.nodered.org/t/csv-files-and-to-add-the-values/47480)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 8\
**Last updated:** [23 June 2021 15:46 UTC](https://discourse.nodered.org/t/csv-files-and-to-add-the-values/47480 "2021-06-23T15:46:22Z")

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Hello! Is it possible to search for the same values from CSV files and to add the values in the second column? Here is the CSV TRX1188-RED-LXL; 3 TRX1188-WHT-LXL; 2 TRX1188-WHT-LXL; 2 TRX1252; 2 TRX1252; 2 TRX136…

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## [Creando conexion ce bacnet a yabe](https://discourse.nodered.org/t/creando-conexion-ce-bacnet-a-yabe/46622)

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**Author:** [@yosep](https://discourse.nodered.org/u/yosep)\
**Replies:** 9\
**Last updated:** [23 June 2021 14:47 UTC](https://discourse.nodered.org/t/creando-conexion-ce-bacnet-a-yabe/46622 "2021-06-23T14:47:38Z")

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alguien tiene una idea de como conectar bacnet a yabe. la instancia lo saque de yabe me sale error... alguna idea?

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## [\[ANNOUNCE\] node-red-contrib-dvla-api](https://discourse.nodered.org/t/announce-node-red-contrib-dvla-api/47487)

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**Author:** [@aidandonnelly](https://discourse.nodered.org/u/aidandonnelly)\
**Replies:** 1\
**Last updated:** [23 June 2021 14:29 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-dvla-api/47487 "2021-06-23T14:29:55Z")

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Hi guys! If you are from the UK, this node I developed may be of some interest to you. It queries the DVLA API and returns an array of vehicle details. See more here - node-red-contrib-dvla-api Any feedback or improv…

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## [Write Modbus TCP strings](https://discourse.nodered.org/t/write-modbus-tcp-strings/47499)

<div class="topic-metadata">

**Author:** [@tovo\_o](https://discourse.nodered.org/u/tovo_o)\
**Replies:** 0\
**Last updated:** [22 June 2021 20:06 UTC](https://discourse.nodered.org/t/write-modbus-tcp-strings/47499 "2021-06-22T20:06:03Z")

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Flow with modbus string writes that allow editing the string (deleting characters) \[{"id":"b9582923.cba97","type":"ui\_text\_input","z":"2a13cd58.b779ba","name":"","label":"Batch Name","tooltip":"","group":"948397c1.059f5…

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## [Receiving input when clicking on a geojson object/layer on the map using the "worldmap in" node](https://discourse.nodered.org/t/receiving-input-when-clicking-on-a-geojson-object-layer-on-the-map-using-the-worldmap-in-node/45928)

<div class="topic-metadata">

**Author:** [@levi](https://discourse.nodered.org/u/levi)\
**Replies:** 5\
**Last updated:** [23 June 2021 13:17 UTC](https://discourse.nodered.org/t/receiving-input-when-clicking-on-a-geojson-object-layer-on-the-map-using-the-worldmap-in-node/45928 "2021-06-23T13:17:49Z")

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Hello, I am working on a project on Node-RED using the worldmap module. I loaded a geojson file on the map and I want to receive click actions and the object's attributes when I click one. I am using the "worldmap in" n…

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## [OMRON FINS stop timeout error spam](https://discourse.nodered.org/t/omron-fins-stop-timeout-error-spam/47520)

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**Author:** [@JoshuaG](https://discourse.nodered.org/u/JoshuaG)\
**Replies:** 1\
**Last updated:** [23 June 2021 11:51 UTC](https://discourse.nodered.org/t/omron-fins-stop-timeout-error-spam/47520 "2021-06-23T11:51:11Z")

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As the topic says. Quite regularly we'll get a Isolation on the machine and the spam of timeout logs that hit the console brings my node to a halt. Is there any way of turning this off?

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## [How to delete Group and Tab in node-red?](https://discourse.nodered.org/t/how-to-delete-group-and-tab-in-node-red/47521)

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**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 3\
**Last updated:** [23 June 2021 11:26 UTC](https://discourse.nodered.org/t/how-to-delete-group-and-tab-in-node-red/47521 "2021-06-23T11:26:19Z")

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Dear All : Like title, How to do? Thank u.

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## [Showing connect/disconect status of nodered server to client website using PHP](https://discourse.nodered.org/t/showing-connect-disconect-status-of-nodered-server-to-client-website-using-php/47516)

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**Author:** [@dragon2ball\_00](https://discourse.nodered.org/u/dragon2ball_00)\
**Replies:** 2\
**Last updated:** [23 June 2021 10:55 UTC](https://discourse.nodered.org/t/showing-connect-disconect-status-of-nodered-server-to-client-website-using-php/47516 "2021-06-23T10:55:25Z")

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Hi, i'm a new to nodered i'm looking for a simplest way to show connect status of nodered server on a website i created using PHP, to show whether it is on power or not....( it kinda like messenger on facebook, if us…

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## [How to convert json](https://discourse.nodered.org/t/how-to-convert-json/47515)

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**Author:** [@ketpa](https://discourse.nodered.org/u/ketpa)\
**Replies:** 2\
**Last updated:** [23 June 2021 10:08 UTC](https://discourse.nodered.org/t/how-to-convert-json/47515 "2021-06-23T10:08:19Z")

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I'm use json and it give me json like this { "0": { "id": 1, "Address": 16401, "Name": "EE\_Time\_Cfg\_i\_TimeZoneOffset", "val": 0, "Default1": "60", "Unit": "min", …

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## [Npm start error](https://discourse.nodered.org/t/npm-start-error/47518)

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**Author:** [@stackxin](https://discourse.nodered.org/u/stackxin)\
**Replies:** 5\
**Last updated:** [23 June 2021 09:52 UTC](https://discourse.nodered.org/t/npm-start-error/47518 "2021-06-23T09:52:53Z")

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$ npm start node-red@1.2.26 start E:\\git\\gitlab-hx\\node-red node packages/node\_modules/node-red/red.js 23 Jun 17:10:54 - \[info\] Welcome to Node-RED 23 Jun 17:10:54 - \[info\] Node-RED version: v1.2.10 23 Jun 17:10:5…

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## [Unit Testing custom properties of a custom node](https://discourse.nodered.org/t/unit-testing-custom-properties-of-a-custom-node/47512)

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**Author:** [@BShashwat](https://discourse.nodered.org/u/BShashwat)\
**Replies:** 2\
**Last updated:** [23 June 2021 09:42 UTC](https://discourse.nodered.org/t/unit-testing-custom-properties-of-a-custom-node/47512 "2021-06-23T09:42:33Z")

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Hi, I have created a custom node which runs python API's based on selected metadata. Custom Node is working as expected. However when I am trying to Unit Test this Node I am getting assertion error stating: "expected t…

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## [Same Serial Port Connected in Two Flow files Not working](https://discourse.nodered.org/t/same-serial-port-connected-in-two-flow-files-not-working/47274)

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**Author:** [@avinash-choudhary](https://discourse.nodered.org/u/avinash-choudhary)\
**Replies:** 7\
**Last updated:** [23 June 2021 09:29 UTC](https://discourse.nodered.org/t/same-serial-port-connected-in-two-flow-files-not-working/47274 "2021-06-23T09:29:43Z")

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Hi Team I am trying to add COM2 in two flow files Flow1 and Flow2. The data is displayed in both flows initially . But when we disable and enable Flow1 then the Flow2 serial port is not displaying the data though it di…

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## [Grafana 8.1 - big step for IoT dashboard](https://discourse.nodered.org/t/grafana-8-1-big-step-for-iot-dashboard/47195)

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**Author:** [@iiLaw](https://discourse.nodered.org/u/iiLaw)\
**Replies:** 15\
**Last updated:** [23 June 2021 09:03 UTC](https://discourse.nodered.org/t/grafana-8-1-big-step-for-iot-dashboard/47195 "2021-06-23T09:03:02Z")

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I know this is a Node-Red forum but many on here use Grafana. With 8.0 there is now live streaming in graphs and support for Booleans. From an IoT & NR perspective you can live stream to Grafana via MQTT. With 8.1 a n…

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## [How to know how many node-red library has install?](https://discourse.nodered.org/t/how-to-know-how-many-node-red-library-has-install/47507)

<div class="topic-metadata">

**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 2\
**Last updated:** [23 June 2021 08:11 UTC](https://discourse.nodered.org/t/how-to-know-how-many-node-red-library-has-install/47507 "2021-06-23T08:11:55Z")

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Daer Sir : Like Title, How to know(windows)? Thank u.

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## [How node-red flow to code?](https://discourse.nodered.org/t/how-node-red-flow-to-code/47513)

<div class="topic-metadata">

**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 2\
**Last updated:** [23 June 2021 08:11 UTC](https://discourse.nodered.org/t/how-node-red-flow-to-code/47513 "2021-06-23T08:11:03Z")

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Dear All : Like title, How to generated the code ? Thank u.

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## [Msg.payload splitting](https://discourse.nodered.org/t/msg-payload-splitting/47504)

<div class="topic-metadata">

**Author:** [@sjmotew](https://discourse.nodered.org/u/sjmotew)\
**Replies:** 9\
**Last updated:** [23 June 2021 03:12 UTC](https://discourse.nodered.org/t/msg-payload-splitting/47504 "2021-06-23T03:12:17Z")

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Hi! Many posts on this, still having problems with what should be "simple" Debug Output from node which collects an MQTT topic: {"topic":"BlueIris/LND/Status","payload":"{ \\"type\\": \\"MOTION\_A\\", \\"trigger\\": \\"ON\\" }…

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## [How can I call data from AWS DynamoDB to node-red and create a dashboard](https://discourse.nodered.org/t/how-can-i-call-data-from-aws-dynamodb-to-node-red-and-create-a-dashboard/47502)

<div class="topic-metadata">

**Author:** [@sdsu-dml](https://discourse.nodered.org/u/sdsu-dml)\
**Replies:** 0\
**Last updated:** [22 June 2021 22:00 UTC](https://discourse.nodered.org/t/how-can-i-call-data-from-aws-dynamodb-to-node-red-and-create-a-dashboard/47502 "2021-06-22T22:00:11Z")

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Hi, I am new to node-red. AS the topic, I have finished EC2 with node-red, store ttn data in DynamoDB, MQTT in node-red. How can I call data from AWS DynamoDB to node-red and create a dashboard?

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## [Create array of objects in a change node?](https://discourse.nodered.org/t/create-array-of-objects-in-a-change-node/47497)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 2\
**Last updated:** [22 June 2021 20:10 UTC](https://discourse.nodered.org/t/create-array-of-objects-in-a-change-node/47497 "2021-06-22T20:10:25Z")

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Trying to create/populate an array of objects via a change node... to avoid creating a function node and line code to do same. I at times need to prime an array, say initialize array that is sent to a table, that is lat…

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## [Implemento json](https://discourse.nodered.org/t/implemento-json/47492)

<div class="topic-metadata">

**Author:** [@emerson4594](https://discourse.nodered.org/u/emerson4594)\
**Replies:** 2\
**Last updated:** [22 June 2021 19:02 UTC](https://discourse.nodered.org/t/implemento-json/47492 "2021-06-22T19:02:27Z")

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\[ { "series": \[ "X" \], "data": \[ \[ 100, 85, 60, 40 \] \], "lab…

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## [How to refer to a flow context variable in ui\_template?](https://discourse.nodered.org/t/how-to-refer-to-a-flow-context-variable-in-ui-template/47485)

<div class="topic-metadata">

**Author:** [@levi](https://discourse.nodered.org/u/levi)\
**Replies:** 1\
**Last updated:** [22 June 2021 18:42 UTC](https://discourse.nodered.org/t/how-to-refer-to-a-flow-context-variable-in-ui-template/47485 "2021-06-22T18:42:40Z")

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Hello, I created a table using ui\_template. I am populating the table with some Objects. Then next to each object I added a button to change the value of an Attribute of the Object assigning it to flow.get("attribute").…

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