# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=188

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

**Page:** 189

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## [Homekit reset acessory](https://discourse.nodered.org/t/homekit-reset-acessory/80406)

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**Author:** [@crsfba84](https://discourse.nodered.org/u/crsfba84)\
**Replies:** 0\
**Last updated:** [8 August 2023 09:22 UTC](https://discourse.nodered.org/t/homekit-reset-acessory/80406 "2023-08-08T09:22:01Z")

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Hi everyone, using node-red-contrib-homekit-bridged I created a system with different accessories and everything works fine. I did: I configured a minipc in the office with nodered Installed node-red-contrib-home…

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## [TypeError: Cannot read properties of undefined (reading 'address')"](https://discourse.nodered.org/t/typeerror-cannot-read-properties-of-undefined-reading-address/80366)

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**Author:** [@Johnn](https://discourse.nodered.org/u/Johnn)\
**Replies:** 14\
**Last updated:** [8 August 2023 08:29 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-properties-of-undefined-reading-address/80366 "2023-08-08T08:29:44Z")

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Hello friends, I am receiving modbus responses from a flex node and to distinguish responses, I filter the memory address with a simple instruction. Why am I getting typeError? Could you help me? Thank you s…

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## [MODBUS read and write](https://discourse.nodered.org/t/modbus-read-and-write/80402)

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**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 0\
**Last updated:** [8 August 2023 08:08 UTC](https://discourse.nodered.org/t/modbus-read-and-write/80402 "2023-08-08T08:08:15Z")

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Hello, i am still learning about MODBUS and created my own littile project. I read data from my pool-dosing pump and also conrtolling it via a node-red dashbaord on a VM. Its more a fun project for learning purpose. Ev…

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## [Reading the GPIOs of the BeagleBone Black in Node RED](https://discourse.nodered.org/t/reading-the-gpios-of-the-beaglebone-black-in-node-red/80395)

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**Author:** [@Pitufo](https://discourse.nodered.org/u/Pitufo)\
**Replies:** 0\
**Last updated:** [8 August 2023 02:20 UTC](https://discourse.nodered.org/t/reading-the-gpios-of-the-beaglebone-black-in-node-red/80395 "2023-08-08T02:20:04Z")

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I am a beginner in Node-RED I have installed Node-RED and the Jhonny -five library on my beaglebone black to read or write its GPIOs. I have made a simple flow to turn on the user led USR3 using a Jhonny -five node. A…

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## [How to ensure flow is created by insider](https://discourse.nodered.org/t/how-to-ensure-flow-is-created-by-insider/80360)

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**Author:** [@HenryTrang](https://discourse.nodered.org/u/HenryTrang)\
**Replies:** 3\
**Last updated:** [8 August 2023 01:40 UTC](https://discourse.nodered.org/t/how-to-ensure-flow-is-created-by-insider/80360 "2023-08-08T01:40:57Z")

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Dear Sir May i ask how to listen deploy button. how to hold on and move on deploy the flow. as before deploy i need to verify if this flow is created or edited by insider. Best regard! Henry

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## [External API Error Invalid Type: Object (Expected Array)](https://discourse.nodered.org/t/external-api-error-invalid-type-object-expected-array/80393)

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**Author:** [@WillShiell](https://discourse.nodered.org/u/WillShiell)\
**Replies:** 0\
**Last updated:** [8 August 2023 01:39 UTC](https://discourse.nodered.org/t/external-api-error-invalid-type-object-expected-array/80393 "2023-08-08T01:39:47Z")

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Hello, I am seeing an error with a PATCH call I am making and receiving the following error message: {"message":"validation failure","errors":\[{"dataPath":"","message":"Invalid type: object (expected array)"}\]} Howeve…

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## [Updating flow.json while while Node-RED is running (as a service): recommended?](https://discourse.nodered.org/t/updating-flow-json-while-while-node-red-is-running-as-a-service-recommended/80387)

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**Author:** [@raspberry](https://discourse.nodered.org/u/raspberry)\
**Replies:** 1\
**Last updated:** [7 August 2023 20:37 UTC](https://discourse.nodered.org/t/updating-flow-json-while-while-node-red-is-running-as-a-service-recommended/80387 "2023-08-07T20:37:36Z")

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Hey all, I have my Node-RED project tracking a remote repository on GitHub. The usual flow files are hosted (flow.json, package.json, credentials) Occasionally I will "git fetch, git pull" while Node-RED is running, ove…

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## [Flow arbeitet nicht richtig](https://discourse.nodered.org/t/flow-arbeitet-nicht-richtig/80388)

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**Author:** [@WaRo52](https://discourse.nodered.org/u/WaRo52)\
**Replies:** 2\
**Last updated:** [7 August 2023 20:06 UTC](https://discourse.nodered.org/t/flow-arbeitet-nicht-richtig/80388 "2023-08-07T20:06:32Z")

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Hallo, ich bin Walter und rel. neu in der Erstellung von Flow. Bisher habe ich in C (Arduino) und Visual Basic for Applications programmiert. Ich habe folgendes Problem: In meinen Flow (Anhang) möchte ich Werte in ein…

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## [Using snap to update nodejs](https://discourse.nodered.org/t/using-snap-to-update-nodejs/80382)

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**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 8\
**Last updated:** [7 August 2023 20:33 UTC](https://discourse.nodered.org/t/using-snap-to-update-nodejs/80382 "2023-08-07T20:33:44Z")

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While working on something else I tripped across something I hadn't seen before which is Snap and using it to update nodejs automatically and install the latest. On my test pi I ran all the commands and it seems to work …

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## [Crashing Every Few Minutes - How Do I Debug?](https://discourse.nodered.org/t/crashing-every-few-minutes-how-do-i-debug/80358)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 14\
**Last updated:** [7 August 2023 20:02 UTC](https://discourse.nodered.org/t/crashing-every-few-minutes-how-do-i-debug/80358 "2023-08-07T20:02:51Z")

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Hey All, My install of node red is crashing every few minutes, it doesn't go more than an hour. I'm trying to debut the problem but I can't locate the log files. I checked the settings.js file and it says logging is s…

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## [Node-red username and password in docker](https://discourse.nodered.org/t/node-red-username-and-password-in-docker/80380)

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**Author:** [@fikerplunk](https://discourse.nodered.org/u/fikerplunk)\
**Replies:** 1\
**Last updated:** [7 August 2023 19:22 UTC](https://discourse.nodered.org/t/node-red-username-and-password-in-docker/80380 "2023-08-07T19:22:37Z")

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Hello! I'm trying to put a username/password on my node-red that is installed on Docker. For that, I would need to generate the hash, but the command doesn't work. When I try to install node-red-admin it doesn't work e…

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## [How to convert a msg. string object to boolean](https://discourse.nodered.org/t/how-to-convert-a-msg-string-object-to-boolean/20068)

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**Author:** [@Palmhoej](https://discourse.nodered.org/u/Palmhoej)\
**Replies:** 10\
**Last updated:** [7 August 2023 16:49 UTC](https://discourse.nodered.org/t/how-to-convert-a-msg-string-object-to-boolean/20068 "2023-08-07T16:49:43Z")

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First of i am new to node red, but have some experience from arduino. I am trying to controll my Phillips Hue lights with a Hue switch, that outputs the following when pressed (in this case the "on" button have been pus…

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## [Exchange of information between 10 PLCs S7-1200](https://discourse.nodered.org/t/exchange-of-information-between-10-plcs-s7-1200/80287)

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**Author:** [@ViniciusMilan](https://discourse.nodered.org/u/ViniciusMilan)\
**Replies:** 7\
**Last updated:** [7 August 2023 15:34 UTC](https://discourse.nodered.org/t/exchange-of-information-between-10-plcs-s7-1200/80287 "2023-08-07T15:34:27Z")

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Hello, I'm new to node red, and I have a demand where I need to exchange information between 10 siemens 1200 plcs, the idea of ​​the project is to centralize some 9 clps variables in a db in a central clp to show the inf…

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## [Cronplus node input settings dont work](https://discourse.nodered.org/t/cronplus-node-input-settings-dont-work/80371)

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**Author:** [@EcarDK](https://discourse.nodered.org/u/EcarDK)\
**Replies:** 19\
**Last updated:** [7 August 2023 15:02 UTC](https://discourse.nodered.org/t/cronplus-node-input-settings-dont-work/80371 "2023-08-07T15:02:42Z")

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Hallo all Im trying to get "cronplus" node input to work. I have try to make a test setup, where I have a "inject" node whit msg.topic = msg.status, and a "cronplus" node there change evey 30 sec, from schedule1 to sch…

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## [Debug window only works when refreshing cache in browser](https://discourse.nodered.org/t/debug-window-only-works-when-refreshing-cache-in-browser/80316)

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**Author:** [@rvb](https://discourse.nodered.org/u/rvb)\
**Replies:** 21\
**Last updated:** [7 August 2023 14:59 UTC](https://discourse.nodered.org/t/debug-window-only-works-when-refreshing-cache-in-browser/80316 "2023-08-07T14:59:23Z")

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My debug window only works when i refresh the cache in firefox with crtl+f5... how come?

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## [Wrong Value in Array](https://discourse.nodered.org/t/wrong-value-in-array/80374)

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**Author:** [@Phant0m-code](https://discourse.nodered.org/u/Phant0m-code)\
**Replies:** 8\
**Last updated:** [7 August 2023 14:41 UTC](https://discourse.nodered.org/t/wrong-value-in-array/80374 "2023-08-07T14:41:46Z")

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Hello my dear friends, I need to create a small system where three input values of the power phase need to be summed. For this, I am using the "join" node to create an array. But the problem now is that the values from t…

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## [Rf remote longpress](https://discourse.nodered.org/t/rf-remote-longpress/80291)

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**Author:** [@EcarDK](https://discourse.nodered.org/u/EcarDK)\
**Replies:** 1\
**Last updated:** [7 August 2023 10:14 UTC](https://discourse.nodered.org/t/rf-remote-longpress/80291 "2023-08-07T10:14:45Z")

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Halle all I have now "Remote:Learn Command" in my homw assistant. I have a "Jysk Hoglo curtain" The remote have 3 commands. up, down and stop. And all works fine... Now to my problem. There are a memory function if…

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## [Parsing and Formatting JSON Object for InfluxDB](https://discourse.nodered.org/t/parsing-and-formatting-json-object-for-influxdb/80325)

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**Author:** [@thezfunk](https://discourse.nodered.org/u/thezfunk)\
**Replies:** 13\
**Last updated:** [7 August 2023 06:20 UTC](https://discourse.nodered.org/t/parsing-and-formatting-json-object-for-influxdb/80325 "2023-08-07T06:20:43Z")

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Hi Everyone. I am new here and new to Node-Red and Influxdb for that matter. I had some intro programming courses 20 years ago and was never my favorite. With that being said, I am trying to take license plate data fr…

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## [Time & Timestamps not synced](https://discourse.nodered.org/t/time-timestamps-not-synced/80277)

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**Author:** [@CJ10](https://discourse.nodered.org/u/CJ10)\
**Replies:** 2\
**Last updated:** [6 August 2023 18:28 UTC](https://discourse.nodered.org/t/time-timestamps-not-synced/80277 "2023-08-06T18:28:18Z")

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Can someone start me off where/how I begin to resolve the time difference. I understand that Node-Red takes the time from the NTP server but it doesnt appear to be doing that. I set the time in Home Assistant, adding a…

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## [Node-Red on TrueNAS Scale and functionGlobalContext](https://discourse.nodered.org/t/node-red-on-truenas-scale-and-functionglobalcontext/80351)

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**Author:** [@wachcio](https://discourse.nodered.org/u/wachcio)\
**Replies:** 2\
**Last updated:** [6 August 2023 16:50 UTC](https://discourse.nodered.org/t/node-red-on-truenas-scale-and-functionglobalcontext/80351 "2023-08-06T16:50:03Z")

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Hello I recently booted a computer with TrueNAS. I transfer the Node-Red configuration present on Synology NAS to it. On TrueNAS, Node-RED runs as a Docker container. The following are available externally: "flows.json …

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## [EXEC Node and ./e3dcset](https://discourse.nodered.org/t/exec-node-and-e3dcset/80354)

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**Author:** [@dancekid](https://discourse.nodered.org/u/dancekid)\
**Replies:** 2\
**Last updated:** [6 August 2023 16:47 UTC](https://discourse.nodered.org/t/exec-node-and-e3dcset/80354 "2023-08-06T16:47:37Z")

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Good evening, i am a newbie to node-red trying to use EXEC-Node to start a program. simple run /home/e3dcset/e3dcset does not work changing directory to /home/e3dcset and simple type e3dcset does not work i need to s…

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## [How to read database with function 0x03?](https://discourse.nodered.org/t/how-to-read-database-with-function-0x03/80355)

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**Author:** [@Guudiin](https://discourse.nodered.org/u/Guudiin)\
**Replies:** 0\
**Last updated:** [6 August 2023 16:44 UTC](https://discourse.nodered.org/t/how-to-read-database-with-function-0x03/80355 "2023-08-06T16:44:16Z")

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The modbus devices I'm testing use function 0x64. Like many SCADA software it does not work with this function, node-red is essential to send data at 0x64 and process that data. With that in mind, I created a routine th…

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## [What happens to flows.json when I enable projects?](https://discourse.nodered.org/t/what-happens-to-flows-json-when-i-enable-projects/80345)

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**Author:** [@AndreKR](https://discourse.nodered.org/u/AndreKR)\
**Replies:** 3\
**Last updated:** [6 August 2023 15:24 UTC](https://discourse.nodered.org/t/what-happens-to-flows-json-when-i-enable-projects/80345 "2023-08-06T15:24:43Z")

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As I understand as long as you have a project open, the old flows.json isn't used at all? Is there a way to go back to it? Is it for users that don't have a project open? No, actually all users (including newly added o…

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## [Advantech node-red](https://discourse.nodered.org/t/advantech-node-red/80323)

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**Author:** [@issambfs1](https://discourse.nodered.org/u/issambfs1)\
**Replies:** 11\
**Last updated:** [6 August 2023 14:08 UTC](https://discourse.nodered.org/t/advantech-node-red/80323 "2023-08-06T14:08:20Z")

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i try to connect the adam-6017 to node-red in my laptop via Ethernet cable but i did not find any advantech nodes to communicate with . is there any other type to communicate with it via ip or tcp .

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## [Flows missing after http securing](https://discourse.nodered.org/t/flows-missing-after-http-securing/80350)

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**Author:** [@jiripaskov](https://discourse.nodered.org/u/jiripaskov)\
**Replies:** 1\
**Last updated:** [6 August 2023 13:29 UTC](https://discourse.nodered.org/t/flows-missing-after-http-securing/80350 "2023-08-06T13:29:33Z")

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Hello, I created some flows in unsecured NodeRed. After I uncommented adminAuth and also httpNodeAuth. Now I must log in to edit Node Red which is OK. But, all my previous flows are away because now I´m logged as "admin…

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## [What data type does Nodered export to MQTT?](https://discourse.nodered.org/t/what-data-type-does-nodered-export-to-mqtt/80154)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 12\
**Last updated:** [6 August 2023 10:44 UTC](https://discourse.nodered.org/t/what-data-type-does-nodered-export-to-mqtt/80154 "2023-08-06T10:44:17Z")

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Hey All, I'm sending data to an esp8266 over mqtt and I need to know what kind of data is being sent from nodered. ascii? utf-8? or raw? or??? As far as I know I'm not declaring/defining these anywhere in my flows t…

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## [Can a Change node access its own context?](https://discourse.nodered.org/t/can-a-change-node-access-its-own-context/80342)

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**Author:** [@AndreKR](https://discourse.nodered.org/u/AndreKR)\
**Replies:** 2\
**Last updated:** [6 August 2023 08:14 UTC](https://discourse.nodered.org/t/can-a-change-node-access-its-own-context/80342 "2023-08-06T08:14:36Z")

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In the configuration of the Change node I can access flow and global context by choosing flow. or global. from the dropdown. But can it not access its own context? There is no context. in the dropdown. For example I if…

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## [Oracle Cloud problem ¨- SOLVED](https://discourse.nodered.org/t/oracle-cloud-problem-solved/80340)

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**Author:** [@jiripaskov](https://discourse.nodered.org/u/jiripaskov)\
**Replies:** 10\
**Last updated:** [6 August 2023 08:14 UTC](https://discourse.nodered.org/t/oracle-cloud-problem-solved/80340 "2023-08-06T08:14:21Z")

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Hello. I used this manual to install Nodered https://blogs.oracle.com/developers/post/installing-node-red-in-an-always-free-vm-on-oracle-cloud. Port 1880 is opened from internet on my public IP. sudo firewall-cmd --lis…

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## [Store data variables after reboot](https://discourse.nodered.org/t/store-data-variables-after-reboot/80194)

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**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 2\
**Last updated:** [6 August 2023 05:07 UTC](https://discourse.nodered.org/t/store-data-variables-after-reboot/80194 "2023-08-06T05:07:25Z")

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Hi all I would like store data and variable in node red because until now all variable are lost after reboot. Can some one help me? Many thanks

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## [Turn Light off if temperature drops within a specific time period](https://discourse.nodered.org/t/turn-light-off-if-temperature-drops-within-a-specific-time-period/80197)

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**Author:** [@terminus](https://discourse.nodered.org/u/terminus)\
**Replies:** 2\
**Last updated:** [6 August 2023 04:59 UTC](https://discourse.nodered.org/t/turn-light-off-if-temperature-drops-within-a-specific-time-period/80197 "2023-08-06T04:59:50Z")

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Hi guys, maybe you can help me. I want to turn off a light if a measured temperature changes a predefined interval within a given time period. E.G. if the temperature drops from 35° to 30° within 15 minutes, turn the li…

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