# Latest

**URL:** https://discourse.nodered.org/latest.md?page=656

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

**Page:** 657

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## [MQTT Time Out / Random Disconnect](https://discourse.nodered.org/t/mqtt-time-out-random-disconnect/56463)

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**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 13\
**Last updated:** [11 January 2022 17:14 UTC](https://discourse.nodered.org/t/mqtt-time-out-random-disconnect/56463 "2022-01-11T17:14:04Z")

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Hello Folks, I have recently came across an issue with the MQTT nodes on node Red. Randomly the mqtt node will disconnect requiring a restart or reboot of Node Red- I was wondering if this has to do with the keep alive…

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## [How do I recover my flows from an old SD card?](https://discourse.nodered.org/t/how-do-i-recover-my-flows-from-an-old-sd-card/56410)

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**Author:** [@BruceEmsworth1](https://discourse.nodered.org/u/BruceEmsworth1)\
**Replies:** 18\
**Last updated:** [11 January 2022 16:56 UTC](https://discourse.nodered.org/t/how-do-i-recover-my-flows-from-an-old-sd-card/56410 "2022-01-11T16:56:59Z")

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I want to recover my flows from an old SD card after it stopped booting. It is in a RPi4 and is the Bullseye version. I have built a new card and have the old card and the file system seems to be all(?) there. What fil…

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## [MQTT Counter reset in Tasmota](https://discourse.nodered.org/t/mqtt-counter-reset-in-tasmota/56395)

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**Author:** [@bigluc](https://discourse.nodered.org/u/bigluc)\
**Replies:** 7\
**Last updated:** [11 January 2022 16:55 UTC](https://discourse.nodered.org/t/mqtt-counter-reset-in-tasmota/56395 "2022-01-11T16:55:54Z")

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I have a question: I want to reset a counter in Tasmota via MQTT but I don't understand which topic I have to use or which command. Whenever I try it I always get {"Command": "Unknown"} ...I hope someone can help me f…

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## [Software for cheap hybrid photovoltaic inverter](https://discourse.nodered.org/t/software-for-cheap-hybrid-photovoltaic-inverter/56478)

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**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 0\
**Last updated:** [11 January 2022 16:36 UTC](https://discourse.nodered.org/t/software-for-cheap-hybrid-photovoltaic-inverter/56478 "2022-01-11T16:36:17Z")

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Hello, For those who have bought a cheap hybrid photovoltaic inverter like me, ( There are several brands with the same motherboard ) You have probably been bothered by the lack of software to manage your installat…

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## [I need help on my dashboard](https://discourse.nodered.org/t/i-need-help-on-my-dashboard/56470)

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**Author:** [@diogoqwe](https://discourse.nodered.org/u/diogoqwe)\
**Replies:** 4\
**Last updated:** [11 January 2022 16:34 UTC](https://discourse.nodered.org/t/i-need-help-on-my-dashboard/56470 "2022-01-11T16:34:06Z")

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I already store all data in phpmyadmin but i want to pick all the data that i saved and when i log node-red it all appears. How can I transform the array into a graphic

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## [Spacer size blocked to 1x1](https://discourse.nodered.org/t/spacer-size-blocked-to-1x1/56462)

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**Author:** [@esalles](https://discourse.nodered.org/u/esalles)\
**Replies:** 3\
**Last updated:** [11 January 2022 14:26 UTC](https://discourse.nodered.org/t/spacer-size-blocked-to-1x1/56462 "2022-01-11T14:26:31Z")

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Guys, I've seen a related topic here: https://discourse.nodered.org/t/spacer-size-unable-to-change-from-1x1-to-any-other-size-solved/52610/23 ... where the spacer is stuck at 1x1. This topic says that version 2.1.3 f…

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## [Docker install Tradfri config node](https://discourse.nodered.org/t/docker-install-tradfri-config-node/56402)

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**Author:** [@monkeytrumpet](https://discourse.nodered.org/u/monkeytrumpet)\
**Replies:** 4\
**Last updated:** [11 January 2022 14:21 UTC](https://discourse.nodered.org/t/docker-install-tradfri-config-node/56402 "2022-01-11T14:21:19Z")

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I have a fresh docker install, and have just installed the tradfri nodes. All appear in the palette apart from the config node which has a dotted line in the palette manager. Node and Nodejs are running 14.18.2, npm ver…

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## [The \`filter\` node (or the old \`RBE\` node)](https://discourse.nodered.org/t/the-filter-node-or-the-old-rbe-node/56371)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 16\
**Last updated:** [11 January 2022 13:49 UTC](https://discourse.nodered.org/t/the-filter-node-or-the-old-rbe-node/56371 "2022-01-11T13:49:15Z")

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I haven't used it much, but am/was helping someone with their question and wrote a small flow for them as an example. \[{"id":"581f105619104477","type":"rbe","z":"437e4108076e5928","name":"","func":"narrowbandEq","gap":"…

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## [Roborock node causes instance to shut down](https://discourse.nodered.org/t/roborock-node-causes-instance-to-shut-down/56468)

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**Author:** [@Pinky](https://discourse.nodered.org/u/Pinky)\
**Replies:** 5\
**Last updated:** [11 January 2022 14:06 UTC](https://discourse.nodered.org/t/roborock-node-causes-instance-to-shut-down/56468 "2022-01-11T14:06:42Z")

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Hello everybody, I have installed 'node-red-contrib-miio-roborock' in my Instance of node-red and connected my Vaccuum cleaner. I already noticed, that the software causes the whole instance to break when the cleaner do…

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## [Can’t install node-red-contrib-serial-modbus still not working?](https://discourse.nodered.org/t/can-t-install-node-red-contrib-serial-modbus-still-not-working/56469)

<div class="topic-metadata">

**Author:** [@PAT](https://discourse.nodered.org/u/PAT)\
**Replies:** 1\
**Last updated:** [11 January 2022 14:04 UTC](https://discourse.nodered.org/t/can-t-install-node-red-contrib-serial-modbus-still-not-working/56469 "2022-01-11T14:04:08Z")

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hi all does any one know if this issue has been resolved or a better way to do it Can’t install node-red-contrib-serial-modbus i am working on a project that requires modbus rtu and i need to drive the port from uart. …

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## [Off on auto logic](https://discourse.nodered.org/t/off-on-auto-logic/56460)

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**Author:** [@JoshNZ](https://discourse.nodered.org/u/JoshNZ)\
**Replies:** 2\
**Last updated:** [11 January 2022 12:10 UTC](https://discourse.nodered.org/t/off-on-auto-logic/56460 "2022-01-11T12:10:47Z")

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I'm wondering if there is a generally accepted way to tackle multi state switch logic. I'd like a switch with states off, on, auto to control a GPIO pin, off and on would output 0 and 1 to the GPIO pin correspondingly an…

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## [Merge different messages with same TOPIC](https://discourse.nodered.org/t/merge-different-messages-with-same-topic/56367)

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**Author:** [@IAlves2022](https://discourse.nodered.org/u/IAlves2022)\
**Replies:** 24\
**Last updated:** [11 January 2022 10:56 UTC](https://discourse.nodered.org/t/merge-different-messages-with-same-topic/56367 "2022-01-11T10:56:41Z")

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Hello, first of all greetings to everyone, i'm new in the forum so if I make any mistake sorry in advance. Its my first time on Node-Red and i'm trying to create a dashboard for my electric car using node-red-contrib-re…

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## [Auto update palette (plugins)](https://discourse.nodered.org/t/auto-update-palette-plugins/56451)

<div class="topic-metadata">

**Author:** [@Hamsterman](https://discourse.nodered.org/u/Hamsterman)\
**Replies:** 1\
**Last updated:** [11 January 2022 10:39 UTC](https://discourse.nodered.org/t/auto-update-palette-plugins/56451 "2022-01-11T10:39:01Z")

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Simple as that - just make it possible so all the plugins are automatically updated.

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## [Timezone appears out by 1 hour for Europe/London](https://discourse.nodered.org/t/timezone-appears-out-by-1-hour-for-europe-london/56277)

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**Author:** [@Aubs](https://discourse.nodered.org/u/Aubs)\
**Replies:** 23\
**Last updated:** [11 January 2022 09:30 UTC](https://discourse.nodered.org/t/timezone-appears-out-by-1-hour-for-europe-london/56277 "2022-01-11T09:30:29Z")

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I've been struggling to understand why I'm getting the wrong date/time, having read through a large number of threads and guides on this site and many others. I don't like to ask for help until I don't know where to tur…

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## [Scrape date from Home Network into Sensor](https://discourse.nodered.org/t/scrape-date-from-home-network-into-sensor/56404)

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**Author:** [@smart\_hendrik](https://discourse.nodered.org/u/smart_hendrik)\
**Replies:** 6\
**Last updated:** [11 January 2022 09:25 UTC](https://discourse.nodered.org/t/scrape-date-from-home-network-into-sensor/56404 "2022-01-11T09:25:09Z")

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Hello all, I am a proud owner of a Synology NAS with HomeAssistant as VM since a few days. I also downloaded the NodeRed container. In the future, I want to manage my whole smartHome with this powerful systems. Now I wo…

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## [After change rules Firebase test mode to locked mode, database show last value](https://discourse.nodered.org/t/after-change-rules-firebase-test-mode-to-locked-mode-database-show-last-value/56449)

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**Author:** [@atugrul](https://discourse.nodered.org/u/atugrul)\
**Replies:** 0\
**Last updated:** [11 January 2022 08:48 UTC](https://discourse.nodered.org/t/after-change-rules-firebase-test-mode-to-locked-mode-database-show-last-value/56449 "2022-01-11T08:48:07Z")

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I change my FireBase rule as who is authanticated, write and read data. Also i generate JSON Web Token for Node-Red to access database. After these changes Node red push first name to first value and and other names pus…

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## [ISSUE: v2.1.4 HA connection](https://discourse.nodered.org/t/issue-v2-1-4-ha-connection/56344)

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**Author:** [@Hamsterman](https://discourse.nodered.org/u/Hamsterman)\
**Replies:** 9\
**Last updated:** [11 January 2022 07:11 UTC](https://discourse.nodered.org/t/issue-v2-1-4-ha-connection/56344 "2022-01-11T07:11:03Z")

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It seems I can't connect to a Home Assistant server in 2.1.4. It's not possible to "add a new server" Using Node Red in Docker.

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## [Substring() error - how to get around it?](https://discourse.nodered.org/t/substring-error-how-to-get-around-it/56441)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [11 January 2022 06:00 UTC](https://discourse.nodered.org/t/substring-error-how-to-get-around-it/56441 "2022-01-11T06:00:47Z")

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I hope this is the part of the code which is throwing an error. var led = parseInt(led\_msg.substring(4,5)) || 0; How can I wrap this so if it doesn't exist that it gives a 0.

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## [Securing Node-red endpoints](https://discourse.nodered.org/t/securing-node-red-endpoints/56392)

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**Author:** [@SangamBgk](https://discourse.nodered.org/u/SangamBgk)\
**Replies:** 2\
**Last updated:** [11 January 2022 00:47 UTC](https://discourse.nodered.org/t/securing-node-red-endpoints/56392 "2022-01-11T00:47:05Z")

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Hi There, I created bunch of end points which can be accessed by anyone. can anyone please suggest how I can protect node-red api end points (Token based or any alt ways) Thanks in Advance, Regards, Sangamesh

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## [Google home offline problems](https://discourse.nodered.org/t/google-home-offline-problems/56435)

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**Author:** [@Stefanom](https://discourse.nodered.org/u/Stefanom)\
**Replies:** 0\
**Last updated:** [10 January 2022 23:29 UTC](https://discourse.nodered.org/t/google-home-offline-problems/56435 "2022-01-10T23:29:38Z")

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Hello, I have a problem with google home integration with nora. I'm using Nora in node red and if I use for example light object this is connected in node red flow while in google home app sometimes the object is offlin…

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## [Node-red-contrib-tcc-honeywell crashing node red](https://discourse.nodered.org/t/node-red-contrib-tcc-honeywell-crashing-node-red/56431)

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**Author:** [@hengy77](https://discourse.nodered.org/u/hengy77)\
**Replies:** 1\
**Last updated:** [10 January 2022 23:29 UTC](https://discourse.nodered.org/t/node-red-contrib-tcc-honeywell-crashing-node-red/56431 "2022-01-10T23:29:04Z")

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trying to use this node with after upgrading to current version. Seems to crash node red and I have to restart in --safe mode. Since this is the only node that works for what I'm trying to do I was wondering if anyone el…

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## [Enable disabled group ( Set of nodes in a flow)](https://discourse.nodered.org/t/enable-disabled-group-set-of-nodes-in-a-flow/56387)

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**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\
**Replies:** 2\
**Last updated:** [10 January 2022 23:23 UTC](https://discourse.nodered.org/t/enable-disabled-group-set-of-nodes-in-a-flow/56387 "2022-01-10T23:23:45Z")

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Hello All Is there any way to enable and disable a Group, similar to what is possible with a single node ? Thank you

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## [Best way to handle raw image data in Node-RED](https://discourse.nodered.org/t/best-way-to-handle-raw-image-data-in-node-red/56424)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 3\
**Last updated:** [10 January 2022 22:13 UTC](https://discourse.nodered.org/t/best-way-to-handle-raw-image-data-in-node-red/56424 "2022-01-10T22:13:09Z")

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Hi folks, To be able to do image processing (on images from IP cams), you need raw image data i.e. the original pixel values. Because you need uncompressed data, i.e. real pixel values. However most of the time our in…

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## [Issue with node-red-contrib-alexa-remote2-applestrudel; how to find root cause?](https://discourse.nodered.org/t/issue-with-node-red-contrib-alexa-remote2-applestrudel-how-to-find-root-cause/56354)

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**Author:** [@knaxman](https://discourse.nodered.org/u/knaxman)\
**Replies:** 4\
**Last updated:** [10 January 2022 21:26 UTC](https://discourse.nodered.org/t/issue-with-node-red-contrib-alexa-remote2-applestrudel-how-to-find-root-cause/56354 "2022-01-10T21:26:52Z")

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After beeing bothered that alexa-remote2-v2 was every other day asking to renew the cookie, I updated to -applestrudel. Now I have the issue that I'm not able to get my cookie updated at all. The service gets initializ…

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## [Node identification not working](https://discourse.nodered.org/t/node-identification-not-working/56422)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [10 January 2022 20:39 UTC](https://discourse.nodered.org/t/node-identification-not-working/56422 "2022-01-10T20:39:11Z")

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On one of my machines I see this message: (given that is where the mouse is and I click on the node-name to find the offending node) So I click and see this. But it doesn't make sense. The dashboard is highlighted…

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## [SparkFun Qwiic pHAT v2.0 for Raspberry Pi - Node?](https://discourse.nodered.org/t/sparkfun-qwiic-phat-v2-0-for-raspberry-pi-node/56421)

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**Author:** [@HS10](https://discourse.nodered.org/u/HS10)\
**Replies:** 1\
**Last updated:** [10 January 2022 20:38 UTC](https://discourse.nodered.org/t/sparkfun-qwiic-phat-v2-0-for-raspberry-pi-node/56421 "2022-01-10T20:38:18Z")

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Hi folks, is there a pallet node for the SparkFun Qwiic pHAT v2.0 for Raspberry Pi?

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## [Flow optimisation - kind of - which way is better?](https://discourse.nodered.org/t/flow-optimisation-kind-of-which-way-is-better/56420)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [10 January 2022 20:28 UTC](https://discourse.nodered.org/t/flow-optimisation-kind-of-which-way-is-better/56420 "2022-01-10T20:28:00Z")

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Maybe along the same vein as a recent question about MQTT nodes and the best way to do something. I am getting these weird messages - again. :frowning: Daily at about 05:00. The only thing that happens at that time …

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## [Trying to convert mqtt output to input into influxdb](https://discourse.nodered.org/t/trying-to-convert-mqtt-output-to-input-into-influxdb/56260)

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**Author:** [@phkul](https://discourse.nodered.org/u/phkul)\
**Replies:** 4\
**Last updated:** [10 January 2022 20:06 UTC](https://discourse.nodered.org/t/trying-to-convert-mqtt-output-to-input-into-influxdb/56260 "2022-01-10T20:06:30Z")

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Hello, i need your help with converting mqtt outputs. I have a bunch of "mqtt in" nodes to recieve messages from a mqtt server. These messages are sturctured like this: The payload of these messages need to look li…

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## [How to remove unreasonable numbers from moving on](https://discourse.nodered.org/t/how-to-remove-unreasonable-numbers-from-moving-on/56369)

<div class="topic-metadata">

**Author:** [@Cyprus125](https://discourse.nodered.org/u/Cyprus125)\
**Replies:** 19\
**Last updated:** [10 January 2022 19:59 UTC](https://discourse.nodered.org/t/how-to-remove-unreasonable-numbers-from-moving-on/56369 "2022-01-10T19:59:55Z")

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Good day. so i have a esp8266 with a DS18B20 (temp sensor). the sensor is outside and it's set up to transmit the temp every 30 seconds. (side thing to trouble shoot the sensor, i'll deal with when more parts arrive) i…

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## [Groov I/O Read node results unusable with math operators](https://discourse.nodered.org/t/groov-i-o-read-node-results-unusable-with-math-operators/56416)

<div class="topic-metadata">

**Author:** [@rpabbv117](https://discourse.nodered.org/u/rpabbv117)\
**Replies:** 6\
**Last updated:** [10 January 2022 19:04 UTC](https://discourse.nodered.org/t/groov-i-o-read-node-results-unusable-with-math-operators/56416 "2022-01-10T19:04:57Z")

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Hello all, I was trying to do a simple subtraction of two results from groov I/O read nodes in a function node, but the result seems to always be NaN when the two read node results interact. Thoughts? Will clarify furth…

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