# Latest

**URL:** https://discourse.nodered.org/latest.md?page=620

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

**Page:** 621

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## [How to STOP flows interactions](https://discourse.nodered.org/t/how-to-stop-flows-interactions/59017)

<div class="topic-metadata">

**Author:** [@noobmaster](https://discourse.nodered.org/u/noobmaster)\
**Replies:** 13\
**Last updated:** [26 February 2022 13:45 UTC](https://discourse.nodered.org/t/how-to-stop-flows-interactions/59017 "2022-02-26T13:45:08Z")

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i have two counters in two different flows, somehow when i stopped the first counter and start the other it started where the first stops , it doesnt start from zero, how to fix this? thx in advance

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## [Parsing JSON to text](https://discourse.nodered.org/t/parsing-json-to-text/59016)

<div class="topic-metadata">

**Author:** [@ravikumar](https://discourse.nodered.org/u/ravikumar)\
**Replies:** 2\
**Last updated:** [26 February 2022 11:39 UTC](https://discourse.nodered.org/t/parsing-json-to-text/59016 "2022-02-26T11:39:48Z")

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I have built a flow and was able to get required JSON data to show up in a table. But i am unable to store the values without the html in a text file. Please give some pointers on how to proceed. \[ { "id": "…

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## [Error on Flow with Docker stop Node-RED](https://discourse.nodered.org/t/error-on-flow-with-docker-stop-node-red/58994)

<div class="topic-metadata">

**Author:** [@rlmariz](https://discourse.nodered.org/u/rlmariz)\
**Replies:** 2\
**Last updated:** [26 February 2022 09:54 UTC](https://discourse.nodered.org/t/error-on-flow-with-docker-stop-node-red/58994 "2022-02-26T09:54:58Z")

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I'm using red-node with Docker, but in situations where there is a wrong configuration when deploying, docker enters a loop restarting. Is there a way in case of an error to stop the flow?

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## [Share signal over some flows](https://discourse.nodered.org/t/share-signal-over-some-flows/59010)

<div class="topic-metadata">

**Author:** [@goony](https://discourse.nodered.org/u/goony)\
**Replies:** 11\
**Last updated:** [26 February 2022 09:31 UTC](https://discourse.nodered.org/t/share-signal-over-some-flows/59010 "2022-02-26T09:31:52Z")

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I want to share a signal / status / command over more than one flows. I can use global.get(signal) and global.set(signal,signal\_status). But this list may become very long and confusing. Are there other possibilities …

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## [Subflows, outputs, environment variables - today's question. (Demarcation lines?)](https://discourse.nodered.org/t/subflows-outputs-environment-variables-todays-question-demarcation-lines/59001)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [26 February 2022 00:25 UTC](https://discourse.nodered.org/t/subflows-outputs-environment-variables-todays-question-demarcation-lines/59001 "2022-02-26T00:25:01Z")

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This question has popped up. Scenario: A message comes in. It can be A or B. Depending if it is A or B determines the output. The output is (for now) msgA or msgB. Just to keep things clear for association. Big pi…

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## [I don't understand the error](https://discourse.nodered.org/t/i-dont-understand-the-error/58995)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [25 February 2022 23:07 UTC](https://discourse.nodered.org/t/i-dont-understand-the-error/58995 "2022-02-25T23:07:24Z")

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Could someone have a look at this code? This is what I got as the error: {"event":{"clientX":1017,"clientY":197,"bbox":\[969,224,1123,176\]},"socketid":"26L447WP\_qWBf2bLAACh","\_msgid":"6d14dec2dbcfa5d1","error":{"message…

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## [Error in Zigbee2Mqtt Admin flow](https://discourse.nodered.org/t/error-in-zigbee2mqtt-admin-flow/58990)

<div class="topic-metadata">

**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 5\
**Last updated:** [25 February 2022 21:41 UTC](https://discourse.nodered.org/t/error-in-zigbee2mqtt-admin-flow/58990 "2022-02-25T21:41:28Z")

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Good evening, I am testing the Zigbee2Mqtt Admin flow example. It works quite well except for the part of retrieving the icons from the website zigbee2mqtt. The code crashes in the function node newPayload = \[\]; msg.…

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## ["Bug" with display on subflow properties?](https://discourse.nodered.org/t/bug-with-display-on-subflow-properties/58996)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [25 February 2022 21:09 UTC](https://discourse.nodered.org/t/bug-with-display-on-subflow-properties/58996 "2022-02-25T21:09:48Z")

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I'm writing a subflow. I'm assigning it Properties that have to be set. I just added one and there is a slight problem that the width where it's name is: is too narrow. I'm not using too long a name, but this is being…

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## [IF- ELSE in a function node](https://discourse.nodered.org/t/if-else-in-a-function-node/58988)

<div class="topic-metadata">

**Author:** [@BigHitRider93](https://discourse.nodered.org/u/BigHitRider93)\
**Replies:** 4\
**Last updated:** [25 February 2022 18:41 UTC](https://discourse.nodered.org/t/if-else-in-a-function-node/58988 "2022-02-25T18:41:05Z")

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I recieve a string from another Node and want to check and convert it in the following function node. When I inject a string in the function node, only the input values will be shown in the debug node. Maybe someone wi…

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## [Node Context set and get are the unique per message?](https://discourse.nodered.org/t/node-context-set-and-get-are-the-unique-per-message/58986)

<div class="topic-metadata">

**Author:** [@HarryPottar](https://discourse.nodered.org/u/HarryPottar)\
**Replies:** 6\
**Last updated:** [25 February 2022 17:39 UTC](https://discourse.nodered.org/t/node-context-set-and-get-are-the-unique-per-message/58986 "2022-02-25T17:39:45Z")

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Hi, Quick question, if I set a context variable in a node is that shared with multiple message or are the unique per message. I have a manual join based on context of 3 third party API calls, I need all 3 back. I have…

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## [Automatically create instance of UI?](https://discourse.nodered.org/t/automatically-create-instance-of-ui/58952)

<div class="topic-metadata">

**Author:** [@hobbes1069](https://discourse.nodered.org/u/hobbes1069)\
**Replies:** 6\
**Last updated:** [25 February 2022 16:28 UTC](https://discourse.nodered.org/t/automatically-create-instance-of-ui/58952 "2022-02-25T16:28:33Z")

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Even if it's possible, it may be beyond my abilities but I figured I would ask anyway. The top portion of the flow would be deployed to any asset I want to monitor. The lower portion is where I really need help. As you …

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## [I am aiming to create a node with multiple selection generated dynamically from an HTTP request](https://discourse.nodered.org/t/i-am-aiming-to-create-a-node-with-multiple-selection-generated-dynamically-from-an-http-request/58883)

<div class="topic-metadata">

**Author:** [@GianniCeleste](https://discourse.nodered.org/u/GianniCeleste)\
**Replies:** 13\
**Last updated:** [25 February 2022 14:57 UTC](https://discourse.nodered.org/t/i-am-aiming-to-create-a-node-with-multiple-selection-generated-dynamically-from-an-http-request/58883 "2022-02-25T14:57:38Z")

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Hi everyone, This is my first post here and I'm new to NodeRED and to js/HTML in general - I'm usually a backend guy -. I therefore have zero experience so please, forgive me :slight\_smile:. I followed the tutorial on …

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## [Posting PDF-files multipart/form-data solution](https://discourse.nodered.org/t/posting-pdf-files-multipart-form-data-solution/58914)

<div class="topic-metadata">

**Author:** [@VincentSC](https://discourse.nodered.org/u/VincentSC)\
**Replies:** 9\
**Last updated:** [25 February 2022 14:28 UTC](https://discourse.nodered.org/t/posting-pdf-files-multipart-form-data-solution/58914 "2022-02-25T14:28:17Z")

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As I did not find a good solution before, this is how you post a binary file to http-request. The solution is: make sure that payload always is a buffer and never a string. No need to do all kinds of binary or base64 con…

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## [Pi4 - can not access Node Red from :1880](https://discourse.nodered.org/t/pi4-can-not-access-node-red-from-1880/58982)

<div class="topic-metadata">

**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 1\
**Last updated:** [25 February 2022 14:12 UTC](https://discourse.nodered.org/t/pi4-can-not-access-node-red-from-1880/58982 "2022-02-25T14:12:20Z")

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We have been using NodeRed successfully on Pi3. Recently we are looking at moving to Pi4. Here is what we have done: Pi 4 is running Version 11 ( bullseye) as recommended by RPI. We noticed that NodeRed is not insta…

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## [Integer out of array](https://discourse.nodered.org/t/integer-out-of-array/58980)

<div class="topic-metadata">

**Author:** [@Olivia](https://discourse.nodered.org/u/Olivia)\
**Replies:** 8\
**Last updated:** [25 February 2022 14:11 UTC](https://discourse.nodered.org/t/integer-out-of-array/58980 "2022-02-25T14:11:59Z")

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Hello everyone, i would like to get this variable from the array as an integer but i cant get it out as an int. \[{"id":"e19970ec95026bbc","type":"function","z":"a41e06f48b88f632","name":"rotate and rename","func":"con…

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## [Can't connect to Modbus TCP server (that is running 100%)](https://discourse.nodered.org/t/cant-connect-to-modbus-tcp-server-that-is-running-100/58916)

<div class="topic-metadata">

**Author:** [@Sulomus](https://discourse.nodered.org/u/Sulomus)\
**Replies:** 16\
**Last updated:** [25 February 2022 13:32 UTC](https://discourse.nodered.org/t/cant-connect-to-modbus-tcp-server-that-is-running-100/58916 "2022-02-25T13:32:52Z")

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I have a running Modbus TCP server on a PLC with these parameters: IP: 192.168.1.10 Port: 502 Device address: 1 Holding register on address 1 with heartbeat variable I know for sure that the Modbus TCP server is runni…

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## [Help to optimize a flow for data synchronization](https://discourse.nodered.org/t/help-to-optimize-a-flow-for-data-synchronization/58978)

<div class="topic-metadata">

**Author:** [@alda](https://discourse.nodered.org/u/alda)\
**Replies:** 5\
**Last updated:** [25 February 2022 12:57 UTC](https://discourse.nodered.org/t/help-to-optimize-a-flow-for-data-synchronization/58978 "2022-02-25T12:57:18Z")

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I made a flow, which reads a data from 4 victron energy devices. From one device I'm making a 15sec data average and on the end I'm waiting when all data are received. But for me it look quite complicate. Please can you …

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## [Sub Flow Context Variables - via. http - are not unique](https://discourse.nodered.org/t/sub-flow-context-variables-via-http-are-not-unique/58975)

<div class="topic-metadata">

**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 4\
**Last updated:** [25 February 2022 11:42 UTC](https://discourse.nodered.org/t/sub-flow-context-variables-via-http-are-not-unique/58975 "2022-02-25T11:42:40Z")

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Hi Everyone I am aware that each sub flow instance is self contained container so its context variables are unique it. I have tested this and it works. I have a strange challenge. I connected a http in node to a subfl…

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## [ABout PHPLİte admin problem](https://discourse.nodered.org/t/about-phplite-admin-problem/58974)

<div class="topic-metadata">

**Author:** [@wtrk](https://discourse.nodered.org/u/wtrk)\
**Replies:** 4\
**Last updated:** [25 February 2022 10:53 UTC](https://discourse.nodered.org/t/about-phplite-admin-problem/58974 "2022-02-25T10:53:30Z")

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Hello. I have problem with phpliteadmin. I dont know how can I solve this problem, waiting your feedbacks. Where did I mistake ?

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## [Sending the TOKEN seperate of the block](https://discourse.nodered.org/t/sending-the-token-seperate-of-the-block/58799)

<div class="topic-metadata">

**Author:** [@Milanovic](https://discourse.nodered.org/u/Milanovic)\
**Replies:** 16\
**Last updated:** [25 February 2022 10:30 UTC](https://discourse.nodered.org/t/sending-the-token-seperate-of-the-block/58799 "2022-02-25T10:30:07Z")

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Hi, I'm reading out some data with API, now I want to read different values but that will say that I need different tokens. I would ask how I can send the token I want to use. So if I didn't fill anything in the part '…

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## [Writing negative value to register via modbus tcp/ip](https://discourse.nodered.org/t/writing-negative-value-to-register-via-modbus-tcp-ip/58976)

<div class="topic-metadata">

**Author:** [@peterr](https://discourse.nodered.org/u/peterr)\
**Replies:** 0\
**Last updated:** [25 February 2022 09:52 UTC](https://discourse.nodered.org/t/writing-negative-value-to-register-via-modbus-tcp-ip/58976 "2022-02-25T09:52:45Z")

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Hi, I'm trying to get my inverter to charge battery from grid thru modbus tcp/ip. I finally got an answer from Fronius support, what values to which registers I need to write. Writing to single registers works fine, b…

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## [URL outside of the http request](https://discourse.nodered.org/t/url-outside-of-the-http-request/58970)

<div class="topic-metadata">

**Author:** [@Milanovic](https://discourse.nodered.org/u/Milanovic)\
**Replies:** 2\
**Last updated:** [25 February 2022 09:43 UTC](https://discourse.nodered.org/t/url-outside-of-the-http-request/58970 "2022-02-25T09:43:23Z")

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Hi, I'm reading out a http request, but I want the serialnumber = a global variable. How can I use the variable Usermatrix\[6\]\[1\] ? $globalContext("UserMatrix\[6\]\[1\]") doesn't work

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## [Website to Node red dashboard](https://discourse.nodered.org/t/website-to-node-red-dashboard/58969)

<div class="topic-metadata">

**Author:** [@UnknownForever](https://discourse.nodered.org/u/UnknownForever)\
**Replies:** 3\
**Last updated:** [25 February 2022 08:48 UTC](https://discourse.nodered.org/t/website-to-node-red-dashboard/58969 "2022-02-25T08:48:01Z")

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Hi, I'm currently creating a website and I want to access the node red dashboard from that website. Is there any way to do it? Could anyone help me with this? Thank you in advance.

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## [How to display the output from the barcode scanned at the dashboard?](https://discourse.nodered.org/t/how-to-display-the-output-from-the-barcode-scanned-at-the-dashboard/58854)

<div class="topic-metadata">

**Author:** [@UnknownForever](https://discourse.nodered.org/u/UnknownForever)\
**Replies:** 4\
**Last updated:** [25 February 2022 08:00 UTC](https://discourse.nodered.org/t/how-to-display-the-output-from-the-barcode-scanned-at-the-dashboard/58854 "2022-02-25T08:00:02Z")

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Hi, how to display the output of a barcode to be shown at the the dashboard. I have a scanner connected to my laptop with usb cable. This is my flow. Can anyone help me to solve it? \[ { "id": "5bb019b65d…

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## [Convert HEX to useful values?](https://discourse.nodered.org/t/convert-hex-to-useful-values/58620)

<div class="topic-metadata">

**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 36\
**Last updated:** [25 February 2022 07:15 UTC](https://discourse.nodered.org/t/convert-hex-to-useful-values/58620 "2022-02-25T07:15:09Z")

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Dear all, I try to read an serial String and convert it to something "useful". Therefore I would need the HEX output of the serial String but all I get are these strange signs when I connect the Serial IN to my serial …

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## [NodeRed and Oracle Database](https://discourse.nodered.org/t/nodered-and-oracle-database/58666)

<div class="topic-metadata">

**Author:** [@softy2k](https://discourse.nodered.org/u/softy2k)\
**Replies:** 3\
**Last updated:** [25 February 2022 06:11 UTC](https://discourse.nodered.org/t/nodered-and-oracle-database/58666 "2022-02-25T06:11:11Z")

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Hi, I installed an ubuntu instance (Always Free VM On Oracle Cloud) some time ago. I use it for various tests, it works without problems, everything is OK. I created a database, Autonomous Database (version: 19c), als…

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## [Anyone here use VLC player much (sort of off topic but not)](https://discourse.nodered.org/t/anyone-here-use-vlc-player-much-sort-of-off-topic-but-not/58954)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [24 February 2022 23:43 UTC](https://discourse.nodered.org/t/anyone-here-use-vlc-player-much-sort-of-off-topic-but-not/58954 "2022-02-24T23:43:43Z")

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I am asking because I am wanting to make a Jukebox kind of thing on a RasPi. But early testing with VLC is ... well: not the best. I'll put that down to me and my (in)ability to use programs. Not to extreme a number -…

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## [Using 2 nodes with 2 different DB servers](https://discourse.nodered.org/t/using-2-nodes-with-2-different-db-servers/58943)

<div class="topic-metadata">

**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 7\
**Last updated:** [24 February 2022 23:12 UTC](https://discourse.nodered.org/t/using-2-nodes-with-2-different-db-servers/58943 "2022-02-24T23:12:47Z")

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Hi, Is possible to read data from two different database servers? I created two different mysql nodes, each connecting to its database and they do work individually, but if I enable both of them, one node changes its c…

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## [Add enable buttons to the Pushbullet nodes like the one in the Debug node](https://discourse.nodered.org/t/add-enable-buttons-to-the-pushbullet-nodes-like-the-one-in-the-debug-node/58917)

<div class="topic-metadata">

**Author:** [@SpareSimian](https://discourse.nodered.org/u/SpareSimian)\
**Replies:** 6\
**Last updated:** [24 February 2022 21:53 UTC](https://discourse.nodered.org/t/add-enable-buttons-to-the-pushbullet-nodes-like-the-one-in-the-debug-node/58917 "2022-02-24T21:53:03Z")

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I installed the Pushbullet nodes to alert me when an action is taken with an audible beep at my desk. I'd been using the Debug node, which includes a nice button to disable it when I don't need the output, without having…

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## [Can somebody help me extract this object which start with a number?](https://discourse.nodered.org/t/can-somebody-help-me-extract-this-object-which-start-with-a-number/58956)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 6\
**Last updated:** [24 February 2022 23:02 UTC](https://discourse.nodered.org/t/can-somebody-help-me-extract-this-object-which-start-with-a-number/58956 "2022-02-24T23:02:02Z")

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Hi, I've just discovered that unfortunately Openweather returns on hourly data an object instead of the simple value (as for daily), please look here: I try to exttract this number in this way var precipitazioni = \[…

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