# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=440

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

**Page:** 441

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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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## [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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## [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)

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**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)

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**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)

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**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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## [Problem to install nodes like pushbullet or pushover](https://discourse.nodered.org/t/problem-to-install-nodes-like-pushbullet-or-pushover/56316)

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**Author:** [@Nodepushover](https://discourse.nodered.org/u/Nodepushover)\
**Replies:** 12\
**Last updated:** [10 January 2022 17:53 UTC](https://discourse.nodered.org/t/problem-to-install-nodes-like-pushbullet-or-pushover/56316 "2022-01-10T17:53:21Z")

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Always get this error: failed to install node-red-node-pushbullet error install failed. same problem with pushover hope some one can help me with kind regards Koen

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## [Influx db Cloud 2.0](https://discourse.nodered.org/t/influx-db-cloud-2-0/55781)

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**Author:** [@mtoko](https://discourse.nodered.org/u/mtoko)\
**Replies:** 11\
**Last updated:** [10 January 2022 17:30 UTC](https://discourse.nodered.org/t/influx-db-cloud-2-0/55781 "2022-01-10T17:30:12Z")

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Hi I am trying to send data to Influx DB Cloud with Node Red. The error I am getting is 405 Not Allowed. I have checked the token has all access and the read and write permissions. I have also checked the Organisation I…

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## [Best way to persist msg.res and msg.req in a flow which uses a Websockets to connect to another node instance](https://discourse.nodered.org/t/best-way-to-persist-msg-res-and-msg-req-in-a-flow-which-uses-a-websockets-to-connect-to-another-node-instance/56408)

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**Author:** [@mirrorspock](https://discourse.nodered.org/u/mirrorspock)\
**Replies:** 0\
**Last updated:** [10 January 2022 15:52 UTC](https://discourse.nodered.org/t/best-way-to-persist-msg-res-and-msg-req-in-a-flow-which-uses-a-websockets-to-connect-to-another-node-instance/56408 "2022-01-10T15:52:42Z")

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I'm trying to connect two node-red instances, (DMZ/LAN) using Websockets, I'm having some issues when using the connection with http requests. the DMZ node-red instance has a http in /echo the message is then sent via …

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## [Node-RED, Apache,Proxypass - no debug data](https://discourse.nodered.org/t/node-red-apache-proxypass-no-debug-data/5411)

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**Author:** [@bronto](https://discourse.nodered.org/u/bronto)\
**Replies:** 11\
**Last updated:** [10 January 2022 14:43 UTC](https://discourse.nodered.org/t/node-red-apache-proxypass-no-debug-data/5411 "2022-01-10T14:43:24Z")

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Hey All, Issue: debug node dosn't work - no debug data I have got an issue after securing Node-RED by Apache web server with ProxyPass and uiHost:127.0.0.1, adminAuth. What I have: Ubuntu 18.04, Apache, SSL certyf…

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## [How to find stable version database to connect to Node-RED?](https://discourse.nodered.org/t/how-to-find-stable-version-database-to-connect-to-node-red/56397)

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**Author:** [@iseunghan](https://discourse.nodered.org/u/iseunghan)\
**Replies:** 5\
**Last updated:** [10 January 2022 14:30 UTC](https://discourse.nodered.org/t/how-to-find-stable-version-database-to-connect-to-node-red/56397 "2022-01-10T14:30:13Z")

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Hi ! Can't find stable version of database (ex: mysql, oracle,,,) to connect to Node-RED... Please help... ex) I went to this page and couldn't find a stable version of MySQL to connect to Node-RED... just select the …

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## [Send data from topic in MQTT broker to database (phpmyadmin)](https://discourse.nodered.org/t/send-data-from-topic-in-mqtt-broker-to-database-phpmyadmin/56376)

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**Author:** [@faridomu](https://discourse.nodered.org/u/faridomu)\
**Replies:** 4\
**Last updated:** [10 January 2022 14:09 UTC](https://discourse.nodered.org/t/send-data-from-topic-in-mqtt-broker-to-database-phpmyadmin/56376 "2022-01-10T14:09:19Z")

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Hello everyone I'm very new to this. I want to send data IR sensor from MQTT Broker to my database in phpmyadmin in node-red. I already send the data sensor to topic that published to mqtt broker, and i can't send it f…

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## [Function true / false](https://discourse.nodered.org/t/function-true-false/56362)

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**Author:** [@fox007](https://discourse.nodered.org/u/fox007)\
**Replies:** 8\
**Last updated:** [10 January 2022 13:52 UTC](https://discourse.nodered.org/t/function-true-false/56362 "2022-01-10T13:52:13Z")

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Hello all I am a newbie in the field of Node Red. Unfortunately I'm not a programming specialist but it's never too late to start :wink: Maybe someone can give me some development help with a function (see below). The…

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## [I can't found to string functions](https://discourse.nodered.org/t/i-cant-found-to-string-functions/56388)

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**Author:** [@GokhanAnac](https://discourse.nodered.org/u/GokhanAnac)\
**Replies:** 2\
**Last updated:** [10 January 2022 12:40 UTC](https://discourse.nodered.org/t/i-cant-found-to-string-functions/56388 "2022-01-10T12:40:21Z")

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Hello every one, when i tried to install new dashboard, i saw my node red was not work because when i tried to deploy, there is was a problem. Thats why i have deleted new dashboard but now i can not see the string funct…

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## [Node-RED does not start when the internet is blocked](https://discourse.nodered.org/t/node-red-does-not-start-when-the-internet-is-blocked/56028)

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**Author:** [@NetHans](https://discourse.nodered.org/u/NetHans)\
**Replies:** 10\
**Last updated:** [10 January 2022 12:22 UTC](https://discourse.nodered.org/t/node-red-does-not-start-when-the-internet-is-blocked/56028 "2022-01-10T12:22:31Z")

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Hi there, I use Node-RED behind a firewall, which blocks all data traffic from and to the Internet. The block is only temporarily lifted for individual URLs if necessary, for example to install updates. The firewall sim…

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## [Hide msg.topic in chart](https://discourse.nodered.org/t/hide-msg-topic-in-chart/56382)

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**Author:** [@Majklzbastlirny](https://discourse.nodered.org/u/Majklzbastlirny)\
**Replies:** 4\
**Last updated:** [10 January 2022 11:15 UTC](https://discourse.nodered.org/t/hide-msg-topic-in-chart/56382 "2022-01-10T11:15:03Z")

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Hey there I need help hiding msg.topic in chart. WeatherStation/Voltage: in screenshot. . I just need it to show time and payload. Thanks in advance (There is probably answer for this question, but language barrier …

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