# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=256

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

**Page:** 257

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## ['Symbolically linked' dashboard nodes](https://discourse.nodered.org/t/symbolically-linked-dashboard-nodes/74290)

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**Author:** [@linker3000](https://discourse.nodered.org/u/linker3000)\
**Replies:** 1\
**Last updated:** [28 January 2023 11:31 UTC](https://discourse.nodered.org/t/symbolically-linked-dashboard-nodes/74290 "2023-01-28T11:31:56Z")

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Apologies if I am missing an obvious solution! If I have, say, a switch, LED or gauge on a dashboard page and I want them to also appear on another page is there a way to create a symbolic duplicate and just place it, o…

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## [Node-red-contrib-influxdb : influxdb batch : not sure about processing an array of data](https://discourse.nodered.org/t/node-red-contrib-influxdb-influxdb-batch-not-sure-about-processing-an-array-of-data/74267)

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**Author:** [@stain3565](https://discourse.nodered.org/u/stain3565)\
**Replies:** 1\
**Last updated:** [28 January 2023 09:38 UTC](https://discourse.nodered.org/t/node-red-contrib-influxdb-influxdb-batch-not-sure-about-processing-an-array-of-data/74267 "2023-01-28T09:38:58Z")

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I have seen some discussions regarding using the batch node for influxdb but have not got my head around it yet. I have an array of data in msg.payload that I want to use the batch node to write an entry to a table but …

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## [Viewing the \`settings\` an alternate way - Problem?](https://discourse.nodered.org/t/viewing-the-settings-an-alternate-way-problem/74280)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [28 January 2023 00:32 UTC](https://discourse.nodered.org/t/viewing-the-settings-an-alternate-way-problem/74280 "2023-01-28T00:32:52Z")

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About a month ago I was being helped and I was asked to open a page: (ip address):1880/settings And all I got was unauthorized This was on a remote machine with passwords set. If I do it on my local machine - NO PASS…

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## [Global Storage Reference versus Cache](https://discourse.nodered.org/t/global-storage-reference-versus-cache/74268)

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**Author:** [@stokes776](https://discourse.nodered.org/u/stokes776)\
**Replies:** 2\
**Last updated:** [27 January 2023 22:30 UTC](https://discourse.nodered.org/t/global-storage-reference-versus-cache/74268 "2023-01-27T22:30:38Z")

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I've got a process that loads a reference list from a SQL table, and loads it into a Global variable as an Object that I then search through. I've not run into any issues, but I am up to 7000 some items. Are there limi…

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## [Can't setup node-red-google due to invalid redirect-URI](https://discourse.nodered.org/t/cant-setup-node-red-google-due-to-invalid-redirect-uri/74274)

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**Author:** [@tamueller](https://discourse.nodered.org/u/tamueller)\
**Replies:** 0\
**Last updated:** [27 January 2023 20:01 UTC](https://discourse.nodered.org/t/cant-setup-node-red-google-due-to-invalid-redirect-uri/74274 "2023-01-27T20:01:55Z")

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Hi, I want to setup google calendar integration with node-red-node-google (node) - Node-RED. The configuration node says: Please configure the authorized Redirect URIs of your app to include the following url: http:/…

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## [ECONNRESET ERROR: Socket Hang Up](https://discourse.nodered.org/t/econnreset-error-socket-hang-up/74232)

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**Author:** [@rjdelbueno](https://discourse.nodered.org/u/rjdelbueno)\
**Replies:** 7\
**Last updated:** [27 January 2023 18:44 UTC](https://discourse.nodered.org/t/econnreset-error-socket-hang-up/74232 "2023-01-27T18:44:30Z")

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I have been running the below nodes for quite soke tie with no issue (like months or even years), but with no changes that I am aware of, I am now getting ECONNRESET errors on my http nodes. If I paste the POST URL dire…

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## [Trouble init flow (OrangePi)](https://discourse.nodered.org/t/trouble-init-flow-orangepi/74262)

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**Author:** [@namexx](https://discourse.nodered.org/u/namexx)\
**Replies:** 13\
**Last updated:** [27 January 2023 18:03 UTC](https://discourse.nodered.org/t/trouble-init-flow-orangepi/74262 "2023-01-27T18:03:51Z")

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Hi, i have using node inject as init flow. But i have a trouble. When i unplugged my wire ethernet and after plugged, my node flow restarted... How I can avoid this? and make it start only when my node red boots

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## [Python function return variable](https://discourse.nodered.org/t/python-function-return-variable/73928)

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**Author:** [@superlogan72](https://discourse.nodered.org/u/superlogan72)\
**Replies:** 23\
**Last updated:** [27 January 2023 16:16 UTC](https://discourse.nodered.org/t/python-function-return-variable/73928 "2023-01-27T16:16:17Z")

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Hello using python-function i'm not able to get get the variable value import sys sys.path.append("/home/pi/.local/lib/python3.9/site-packages") from pigpio\_encoder.rotary import Rotary import threading import time glo…

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## [Can I use the Node-RED Logo in commercial projects?](https://discourse.nodered.org/t/can-i-use-the-node-red-logo-in-commercial-projects/74266)

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**Author:** [@escapist3734](https://discourse.nodered.org/u/escapist3734)\
**Replies:** 1\
**Last updated:** [27 January 2023 16:01 UTC](https://discourse.nodered.org/t/can-i-use-the-node-red-logo-in-commercial-projects/74266 "2023-01-27T16:01:53Z")

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Hey here you can download the logo from Node-RED https://nodered.org/about/resources/ I also read through the previous pages on this website, but can't see anything about the licence of the logo usage. I have a comme…

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## [Time stamp / get Time](https://discourse.nodered.org/t/time-stamp-get-time/20504)

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**Author:** [@Chris\_Wie](https://discourse.nodered.org/u/Chris_Wie)\
**Replies:** 8\
**Last updated:** [27 January 2023 15:42 UTC](https://discourse.nodered.org/t/time-stamp-get-time/20504 "2023-01-27T15:42:25Z")

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Dear all, I am trying to get some information from my old drilling machine. With the help of some ultrasonic sensors I would like to measure the distance of a part and also generate a timestamp so I know how long the p…

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## [Return a JSON from Template Node](https://discourse.nodered.org/t/return-a-json-from-template-node/74264)

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**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 1\
**Last updated:** [27 January 2023 15:04 UTC](https://discourse.nodered.org/t/return-a-json-from-template-node/74264 "2023-01-27T15:04:54Z")

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I am trying to return a JSON from a template but I get errors when I set the template node to "Parsed JSON". The error says "Unexpected token : in JSON at position 13" This is the content of the template node: "GPIO\_s…

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## [Umqtt.simple python Node-Red example](https://discourse.nodered.org/t/umqtt-simple-python-node-red-example/74261)

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**Author:** [@beg1nner](https://discourse.nodered.org/u/beg1nner)\
**Replies:** 1\
**Last updated:** [27 January 2023 14:38 UTC](https://discourse.nodered.org/t/umqtt-simple-python-node-red-example/74261 "2023-01-27T14:38:38Z")

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Hi there. I got my Raspberry Pico W to subscribe to a topic by using umqtt.simple. Now I want the Pico do do something. Therefore I want Node-RED to publish a message that can be read by the Pico. When a specific messa…

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## [I cant use join node in my project in Nodered](https://discourse.nodered.org/t/i-cant-use-join-node-in-my-project-in-nodered/74228)

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**Author:** [@Jayeshpitale1](https://discourse.nodered.org/u/Jayeshpitale1)\
**Replies:** 20\
**Last updated:** [27 January 2023 13:45 UTC](https://discourse.nodered.org/t/i-cant-use-join-node-in-my-project-in-nodered/74228 "2023-01-27T13:45:18Z")

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Reference Topic: Exec command using function node in NodeRED - General - Node-RED Forum This topic is not getting response so i have to create a new one and i have a issue mentioned in that topic which says that join n…

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## [Multiple Arguments to Python Shell](https://discourse.nodered.org/t/multiple-arguments-to-python-shell/74239)

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**Author:** [@Rauth](https://discourse.nodered.org/u/Rauth)\
**Replies:** 4\
**Last updated:** [27 January 2023 14:17 UTC](https://discourse.nodered.org/t/multiple-arguments-to-python-shell/74239 "2023-01-27T14:17:47Z")

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Hello, I'm a beginner on both JS and Python, so I can't get too deep into the weeds on the script side. Hopefully I can provide enough context so that my question makes sense. I am trying to run a single pass python sc…

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## [Hello, cant you help me](https://discourse.nodered.org/t/hello-cant-you-help-me/74256)

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**Author:** [@Phrana](https://discourse.nodered.org/u/Phrana)\
**Replies:** 2\
**Last updated:** [27 January 2023 13:40 UTC](https://discourse.nodered.org/t/hello-cant-you-help-me/74256 "2023-01-27T13:40:22Z")

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I try install node-red-contrib-speedtest but: 27/1/2023, 14:00:30msg : string\[57\] "Installation of module node-red-contrib-speedtest failed:" 27/1/2023, 14:00:30msg : string\[42\] "-----------------------------------…

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## [Multiple Arrays with function node](https://discourse.nodered.org/t/multiple-arrays-with-function-node/74127)

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**Author:** [@smitterer](https://discourse.nodered.org/u/smitterer)\
**Replies:** 11\
**Last updated:** [27 January 2023 13:33 UTC](https://discourse.nodered.org/t/multiple-arrays-with-function-node/74127 "2023-01-27T13:33:04Z")

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Hi! With help from this forum, I was able to create the following: const msg2 = { payload: { prod\_price\_forecast: \[\], "solcast\_rooftop\_id": "MYID", "solcast\_api\_key": "MYKEY" }} msg.payload.data.forEach(entry =\> { …

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## [How to resolve this error TypeError: Converting circular structure to JSON](https://discourse.nodered.org/t/how-to-resolve-this-error-typeerror-converting-circular-structure-to-json/74248)

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**Author:** [@Manish131rai](https://discourse.nodered.org/u/Manish131rai)\
**Replies:** 12\
**Last updated:** [27 January 2023 13:04 UTC](https://discourse.nodered.org/t/how-to-resolve-this-error-typeerror-converting-circular-structure-to-json/74248 "2023-01-27T13:04:32Z")

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TypeError: Converting circular structure to JSON --\> starting at object with constructor 'Socket' | property 'parser' -\> object with constructor 'HTTPParser' --- property 'socket' closes the circle

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## [Neo4jError: Pool is closed, it is no more able to serve requests](https://discourse.nodered.org/t/neo4jerror-pool-is-closed-it-is-no-more-able-to-serve-requests/74250)

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**Author:** [@flipzz](https://discourse.nodered.org/u/flipzz)\
**Replies:** 2\
**Last updated:** [27 January 2023 12:18 UTC](https://discourse.nodered.org/t/neo4jerror-pool-is-closed-it-is-no-more-able-to-serve-requests/74250 "2023-01-27T12:18:22Z")

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Hi, I am using node-red-contrib-neo4j-bolt to create new entries in neo4j. After Node RED has been running for a while I get this error message: "Neo4jError: Pool is closed, it is no more able to serve requests.". Any …

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## [Elementary math, how to solve this?](https://discourse.nodered.org/t/elementary-math-how-to-solve-this/74231)

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**Author:** [@devifast](https://discourse.nodered.org/u/devifast)\
**Replies:** 10\
**Last updated:** [27 January 2023 10:17 UTC](https://discourse.nodered.org/t/elementary-math-how-to-solve-this/74231 "2023-01-27T10:17:53Z")

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var real\_pH = "real pH"; var pHSlope = msg.payload.pHSlope; var pH\_current = msg.payload.current; real\_pH =pHSlope - pH\_current; msg.topic = "pH"; return real\_pH; function do nothing return., sorry for my english. Some…

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## [MySQL node, how to query "equal to or more"?](https://discourse.nodered.org/t/mysql-node-how-to-query-equal-to-or-more/74226)

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**Author:** [@network\_potato](https://discourse.nodered.org/u/network_potato)\
**Replies:** 2\
**Last updated:** [27 January 2023 09:30 UTC](https://discourse.nodered.org/t/mysql-node-how-to-query-equal-to-or-more/74226 "2023-01-27T09:30:31Z")

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I am using node-red-node-mysql to query a database. I want to return only the rows where the column number has a value of 5 or more. msg.payload = \['\>=5'\] msg.topic = "SELECT \* FROM myTable WHERE number = ?;" return …

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## [When data comes in from both SignalK and gpsd how do I proritize SignalK?](https://discourse.nodered.org/t/when-data-comes-in-from-both-signalk-and-gpsd-how-do-i-proritize-signalk/74130)

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**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 8\
**Last updated:** [27 January 2023 08:37 UTC](https://discourse.nodered.org/t/when-data-comes-in-from-both-signalk-and-gpsd-how-do-i-proritize-signalk/74130 "2023-01-27T08:37:42Z")

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In my boat I get the position both from SignalK and from gpsd, and the SignalK data from the plotter is much more accurate than the cheap USB GPS mouse I have. The main function of that is so that I can see wher the boat…

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## [Is there any way to inject no.2 working immediately after I injected inject no.1 (Fins Protocol)](https://discourse.nodered.org/t/is-there-any-way-to-inject-no-2-working-immediately-after-i-injected-inject-no-1-fins-protocol/74245)

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**Author:** [@khunakon](https://discourse.nodered.org/u/khunakon)\
**Replies:** 3\
**Last updated:** [27 January 2023 07:51 UTC](https://discourse.nodered.org/t/is-there-any-way-to-inject-no-2-working-immediately-after-i-injected-inject-no-1-fins-protocol/74245 "2023-01-27T07:51:29Z")

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Is there any way when I want inject node no.2 to run immediately after I injected inject no.1 ? my work is about cx-programmer to OMRON PLC, then connect to node-red via fins protocol For example, a project that I am wo…

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## [Unexpected Characters on RS485 Data Stream](https://discourse.nodered.org/t/unexpected-characters-on-rs485-data-stream/74191)

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**Author:** [@Gump](https://discourse.nodered.org/u/Gump)\
**Replies:** 5\
**Last updated:** [27 January 2023 07:17 UTC](https://discourse.nodered.org/t/unexpected-characters-on-rs485-data-stream/74191 "2023-01-27T07:17:03Z")

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I'm brand new to Node-RED and RS485. I'm looking at an incoming RS485 data stream from a Cummins-Onan generator, hoping to eventually decode it. The RS485 lines are connected to a DTech USB adapter, then to my windows …

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## [Extract \\n from a string to build an array](https://discourse.nodered.org/t/extract-n-from-a-string-to-build-an-array/74196)

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**Author:** [@Shadow20X6](https://discourse.nodered.org/u/Shadow20X6)\
**Replies:** 27\
**Last updated:** [27 January 2023 00:53 UTC](https://discourse.nodered.org/t/extract-n-from-a-string-to-build-an-array/74196 "2023-01-27T00:53:13Z")

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I'm sure I'm making some obvious mistake, but wanted to check here before I start writing code in a function block. I have a string with \\n characters with in it. I have that set as the payload, and figured I could hav…

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## ["TypeError: Cannot create property 'records' on string](https://discourse.nodered.org/t/typeerror-cannot-create-property-records-on-string/73995)

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**Author:** [@subbu.kobra](https://discourse.nodered.org/u/subbu.kobra)\
**Replies:** 2\
**Last updated:** [26 January 2023 22:08 UTC](https://discourse.nodered.org/t/typeerror-cannot-create-property-records-on-string/73995 "2023-01-26T22:08:23Z")

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Hi, I am brand new to node-red. I am trying to get contacts from Salesforce using SOQL node. After following few sites, I finally able to create a successful connection with salesforce. However, at the end I am getting …

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## [Error with MYSQL 2 - Status - crash NODE-RED](https://discourse.nodered.org/t/error-with-mysql-2-status-crash-node-red/74224)

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**Author:** [@allacmc](https://discourse.nodered.org/u/allacmc)\
**Replies:** 8\
**Last updated:** [26 January 2023 20:49 UTC](https://discourse.nodered.org/t/error-with-mysql-2-status-crash-node-red/74224 "2023-01-26T20:49:01Z")

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I'm using NODE MYSQL2 as a connection to my database. I put it in a subflow. I added an OUTPUT Status. But when you have this option, it completely crashes NODE-RED and I need to manually restart. \[{"id":"4639c7fa…

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## [How to lock the access to http://127.0.0.1:1880/#flow/](https://discourse.nodered.org/t/how-to-lock-the-access-to-http-127-0-0-1-1880-flow/74230)

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**Author:** [@JorgeGomes](https://discourse.nodered.org/u/JorgeGomes)\
**Replies:** 1\
**Last updated:** [26 January 2023 20:30 UTC](https://discourse.nodered.org/t/how-to-lock-the-access-to-http-127-0-0-1-1880-flow/74230 "2023-01-26T20:30:39Z")

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Hello Community, I'm creating a node-red flow with a dashboard that will be used for several people, and my idea is only to give the access to http://127.0.0.1:1880/ui/ to avoid that the development part can be changed. …

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## [Failed installing node-red-contrib-ble-sense](https://discourse.nodered.org/t/failed-installing-node-red-contrib-ble-sense/74214)

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**Author:** [@Theo\_13](https://discourse.nodered.org/u/Theo_13)\
**Replies:** 11\
**Last updated:** [26 January 2023 16:41 UTC](https://discourse.nodered.org/t/failed-installing-node-red-contrib-ble-sense/74214 "2023-01-26T16:41:08Z")

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Hello everybody, It's my first post here ! I'm trying to install a new node on my computer when this error message appears "Failed to install : node-red-contrib-ble-sense". It is proposed to check the log, and I don…

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## [JSON global variables in the CHANGE node](https://discourse.nodered.org/t/json-global-variables-in-the-change-node/74216)

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**Author:** [@allacmc](https://discourse.nodered.org/u/allacmc)\
**Replies:** 2\
**Last updated:** [26 January 2023 14:50 UTC](https://discourse.nodered.org/t/json-global-variables-in-the-change-node/74216 "2023-01-26T14:50:29Z")

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Is there a smarter way to prepare this JSON? I would like all this to be in a single node CHANGE ? \[{"id":"effa65099dd2a525","type":"function","z":"ea86445f05051d5d","name":"prep\_MQTT\_Conn","func":"\\nconst ip = msg…

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## [Activate the trigger only once](https://discourse.nodered.org/t/activate-the-trigger-only-once/74131)

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**Author:** [@Bomber75](https://discourse.nodered.org/u/Bomber75)\
**Replies:** 6\
**Last updated:** [26 January 2023 13:46 UTC](https://discourse.nodered.org/t/activate-the-trigger-only-once/74131 "2023-01-26T13:46:18Z")

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Hello everybody, with home assistant I control a temperature sensor, the object checks if the temperature is lower than 20, then turn on a relay. The problem is this: when the temperature drops below 20 the object ac…

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