# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=417

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

**Page:** 418

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## [How to use GY-521 MPU-6050 with Node-RED?](https://discourse.nodered.org/t/how-to-use-gy-521-mpu-6050-with-node-red/58741)

<div class="topic-metadata">

**Author:** [@Bongini](https://discourse.nodered.org/u/Bongini)\
**Replies:** 3\
**Last updated:** [21 February 2022 17:58 UTC](https://discourse.nodered.org/t/how-to-use-gy-521-mpu-6050-with-node-red/58741 "2022-02-21T17:58:32Z")

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Hi, I'm new in this forum. I use Node-Red v 1.3.4 and I'm trying to extract data from a MPU-6050 sensor. I don't know exactly how a I2C bus works, so I downloaded the package node-red-contrib-i2c but it seems doesn't wo…

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## [Many problems after update to v2.2.0](https://discourse.nodered.org/t/many-problems-after-update-to-v2-2-0/58091)

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**Author:** [@SergioRT](https://discourse.nodered.org/u/SergioRT)\
**Replies:** 7\
**Last updated:** [21 February 2022 16:08 UTC](https://discourse.nodered.org/t/many-problems-after-update-to-v2-2-0/58091 "2022-02-21T16:08:40Z")

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First problem : all ui\_spacers used in the dashboard have no more groups ! They appear to own to one of my flows. Then "tcp in" node : the output options are : stream of strings delimited by character "@' Now, in this…

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## [Execute HTTP request for each element in array](https://discourse.nodered.org/t/execute-http-request-for-each-element-in-array/58751)

<div class="topic-metadata">

**Author:** [@TimKuijpers2002](https://discourse.nodered.org/u/TimKuijpers2002)\
**Replies:** 1\
**Last updated:** [21 February 2022 15:29 UTC](https://discourse.nodered.org/t/execute-http-request-for-each-element-in-array/58751 "2022-02-21T15:29:39Z")

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Hello everyone, I just started working with Node-Red and I love the simplicity about it. But due to the simplicity, I am unable to find an answer to my question "Is it possible, to execute an HTTP request for each eleme…

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## [Some Help about my flow](https://discourse.nodered.org/t/some-help-about-my-flow/58150)

<div class="topic-metadata">

**Author:** [@wtrk](https://discourse.nodered.org/u/wtrk)\
**Replies:** 30\
**Last updated:** [21 February 2022 14:57 UTC](https://discourse.nodered.org/t/some-help-about-my-flow/58150 "2022-02-21T14:57:01Z")

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Hello all after long time I need some help, I think it should be basic. My flow is I share below. Im greatfull for your helps. I take some digital input from outside device, just port is on/off information. 1st questi…

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## [Read My TimeOut Remaining value](https://discourse.nodered.org/t/read-my-timeout-remaining-value/58745)

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**Author:** [@CarloJongen](https://discourse.nodered.org/u/CarloJongen)\
**Replies:** 3\
**Last updated:** [21 February 2022 14:44 UTC](https://discourse.nodered.org/t/read-my-timeout-remaining-value/58745 "2022-02-21T14:44:30Z")

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In my workflow I'm using the "My Timeout" node to trigger something. It would be interesting for me if I could also read and display the Remaining counter just below the node. Purpose would be to be able to read the rema…

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## [Regarding to send a message from Node red to Niagara 4 framework](https://discourse.nodered.org/t/regarding-to-send-a-message-from-node-red-to-niagara-4-framework/58603)

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**Author:** [@Hitesh1234](https://discourse.nodered.org/u/Hitesh1234)\
**Replies:** 31\
**Last updated:** [21 February 2022 14:38 UTC](https://discourse.nodered.org/t/regarding-to-send-a-message-from-node-red-to-niagara-4-framework/58603 "2022-02-21T14:38:09Z")

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Hello,,, I would like to tell you that I would like to send a message or post a message from Node-red to Niagara 4 framework via Obix communication. The message from Niagara 4 can be read into the Node-red but the messa…

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## [OPCUA client error](https://discourse.nodered.org/t/opcua-client-error/58748)

<div class="topic-metadata">

**Author:** [@FabioT](https://discourse.nodered.org/u/FabioT)\
**Replies:** 1\
**Last updated:** [21 February 2022 13:50 UTC](https://discourse.nodered.org/t/opcua-client-error/58748 "2022-02-21T13:50:05Z")

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Hi all, I'm working with a opcua server/client architecture in my nore-red app. At every deployment/restart I have 3 different errors, related to "client secure channel layer" as detailed in attached image. Being a no…

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## [Light control with multiple motion sensors](https://discourse.nodered.org/t/light-control-with-multiple-motion-sensors/58744)

<div class="topic-metadata">

**Author:** [@flemmingss](https://discourse.nodered.org/u/flemmingss)\
**Replies:** 0\
**Last updated:** [21 February 2022 12:04 UTC](https://discourse.nodered.org/t/light-control-with-multiple-motion-sensors/58744 "2022-02-21T12:04:40Z")

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Hi. I use this to turn a light on when motion is sensed, and off when no motion for 2 minutes. I am using a Home-Assistent group with multiple sensors inside to accomplish this, but if I want to include multiple senso…

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## [Modbus Flex Write Error](https://discourse.nodered.org/t/modbus-flex-write-error/58613)

<div class="topic-metadata">

**Author:** [@fedex03](https://discourse.nodered.org/u/fedex03)\
**Replies:** 5\
**Last updated:** [21 February 2022 11:20 UTC](https://discourse.nodered.org/t/modbus-flex-write-error/58613 "2022-02-21T11:20:23Z")

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Hi there, I'm working on a project that involves the Modbus Node. Since I need to write several coil and register into a modbus server, I used the Modbus-Flex-Write node to collect every "write" message. Unfortunately…

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## [Add fields to custom logger](https://discourse.nodered.org/t/add-fields-to-custom-logger/58735)

<div class="topic-metadata">

**Author:** [@RubenVega](https://discourse.nodered.org/u/RubenVega)\
**Replies:** 3\
**Last updated:** [21 February 2022 09:32 UTC](https://discourse.nodered.org/t/add-fields-to-custom-logger/58735 "2022-02-21T09:32:49Z")

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Hello! I am trying to improve the quality of our logs and investigating the possibility of custom logger. I have found it quite useful, but I would like to know if it is possible to add by default fields included in th…

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## [How to connect scanner using serial port?](https://discourse.nodered.org/t/how-to-connect-scanner-using-serial-port/58729)

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**Author:** [@UnknownForever](https://discourse.nodered.org/u/UnknownForever)\
**Replies:** 5\
**Last updated:** [21 February 2022 09:30 UTC](https://discourse.nodered.org/t/how-to-connect-scanner-using-serial-port/58729 "2022-02-21T09:30:35Z")

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Hi, I'm new to node red. I try to connect my barcode scanner to node red using serial node. But I'm Not sure how to connect it.

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## [Create an efficient flow with multiple sensors](https://discourse.nodered.org/t/create-an-efficient-flow-with-multiple-sensors/58518)

<div class="topic-metadata">

**Author:** [@nawt888](https://discourse.nodered.org/u/nawt888)\
**Replies:** 6\
**Last updated:** [21 February 2022 08:49 UTC](https://discourse.nodered.org/t/create-an-efficient-flow-with-multiple-sensors/58518 "2022-02-21T08:49:51Z")

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Hello, I currently have sensors on the 3 doors to my home to understand which doors are open/closed, when those doors are opened/closed and whether the entire house is closed or not. I have a further 20 sensors I have …

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## [Get Node-Red running version](https://discourse.nodered.org/t/get-node-red-running-version/58701)

<div class="topic-metadata">

**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 4\
**Last updated:** [20 February 2022 16:36 UTC](https://discourse.nodered.org/t/get-node-red-running-version/58701 "2022-02-20T16:36:33Z")

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Is there a way to get the current running version of NodeRed from the terminal or from a script, while NR is running and without opening the admin editor?

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## [Node-red and Electron node\_modules issue](https://discourse.nodered.org/t/node-red-and-electron-node-modules-issue/58730)

<div class="topic-metadata">

**Author:** [@SS-Akhilesh-Appala](https://discourse.nodered.org/u/SS-Akhilesh-Appala)\
**Replies:** 0\
**Last updated:** [21 February 2022 06:25 UTC](https://discourse.nodered.org/t/node-red-and-electron-node-modules-issue/58730 "2022-02-21T06:25:30Z")

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Hi Team, I am facing one issue related to node-red and electron js combined installer. Scenario: I have a desktop application (Angular) that is being packaged or created installer using ElectronJS. I have integrated …

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## [Bigtimer always ON temp override](https://discourse.nodered.org/t/bigtimer-always-on-temp-override/58705)

<div class="topic-metadata">

**Author:** [@ralong777](https://discourse.nodered.org/u/ralong777)\
**Replies:** 2\
**Last updated:** [21 February 2022 04:59 UTC](https://discourse.nodered.org/t/bigtimer-always-on-temp-override/58705 "2022-02-21T04:59:39Z")

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Help my big timer is always in ON temp override state. I don know how it happened and how to turn it off. there is no info on the site what that even is.

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## [ADC MCP3424 Help](https://discourse.nodered.org/t/adc-mcp3424-help/58573)

<div class="topic-metadata">

**Author:** [@Daggo](https://discourse.nodered.org/u/Daggo)\
**Replies:** 4\
**Last updated:** [21 February 2022 03:27 UTC](https://discourse.nodered.org/t/adc-mcp3424-help/58573 "2022-02-21T03:27:32Z")

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Hi all. I purchased some of these PCBs with some ADC on them, see here: ADC Things I saw there was a node called node-red-contrib-redplc-rpi-mcp342x so I figured I'd be good to go. But no... Each node has 4 outputs …

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## [Help with how to upload subflows to \*the library\*](https://discourse.nodered.org/t/help-with-how-to-upload-subflows-to-the-library/58715)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [20 February 2022 21:30 UTC](https://discourse.nodered.org/t/help-with-how-to-upload-subflows-to-the-library/58715 "2022-02-20T21:30:41Z")

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I am reading the stuff written on the page/s but it isn't making sense to me. I am wanting to upload a subflow, but the closest I can find is a NODE - fair enough in some ways. But then it is talking about the director…

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## [Un-used config' nodes - click here to see them. Not understanding it](https://discourse.nodered.org/t/un-used-config-nodes-click-here-to-see-them-not-understanding-it/58712)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [20 February 2022 20:47 UTC](https://discourse.nodered.org/t/un-used-config-nodes-click-here-to-see-them-not-understanding-it/58712 "2022-02-20T20:47:38Z")

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I am (obviously) missing something here. I press the DEPLOY button and am shown this message. But I open the config nodes list and click on the unused and there aren't any. Where's the elephant? :wink:

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## [MQTT in node not working properly in Node-Red 2.2.1](https://discourse.nodered.org/t/mqtt-in-node-not-working-properly-in-node-red-2-2-1/58428)

<div class="topic-metadata">

**Author:** [@JmmyGun](https://discourse.nodered.org/u/JmmyGun)\
**Replies:** 4\
**Last updated:** [20 February 2022 20:04 UTC](https://discourse.nodered.org/t/mqtt-in-node-not-working-properly-in-node-red-2-2-1/58428 "2022-02-20T20:04:55Z")

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Hi all. I've a problem with MQTT in node I use mosquitto. When i make full deploy (ex. move MQTT in node) I get this error back on the debug console, "Error stopping node: Close timed out" mosquitto version 2.0.11 …

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## [How to set the output-property of the file-read node with a function node?](https://discourse.nodered.org/t/how-to-set-the-output-property-of-the-file-read-node-with-a-function-node/58686)

<div class="topic-metadata">

**Author:** [@oliver](https://discourse.nodered.org/u/oliver)\
**Replies:** 9\
**Last updated:** [20 February 2022 19:27 UTC](https://discourse.nodered.org/t/how-to-set-the-output-property-of-the-file-read-node-with-a-function-node/58686 "2022-02-20T19:27:54Z")

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For a multipage node-red webserver, serving stored html pages and images, the function node should set the output-property of the file-read node to text or buffer, depending on reading and serving html or images. Now…

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## [Monitoring Raspberry Pi devices using Node-RED](https://discourse.nodered.org/t/monitoring-raspberry-pi-devices-using-node-red/58409)

<div class="topic-metadata">

**Author:** [@khodz](https://discourse.nodered.org/u/khodz)\
**Replies:** 10\
**Last updated:** [20 February 2022 19:15 UTC](https://discourse.nodered.org/t/monitoring-raspberry-pi-devices-using-node-red/58409 "2022-02-20T19:15:17Z")

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Hi All, Completely new to Node-RED and hence to the forum. This is a very generic question in the hope that someone has done something similar and could share their thoughts and advice. I'm using a large number of Rasp…

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## [How can i connect csv-file (read/write) to UI-Etable (editable)](https://discourse.nodered.org/t/how-can-i-connect-csv-file-read-write-to-ui-etable-editable/58707)

<div class="topic-metadata">

**Author:** [@tech152](https://discourse.nodered.org/u/tech152)\
**Replies:** 0\
**Last updated:** [20 February 2022 18:37 UTC](https://discourse.nodered.org/t/how-can-i-connect-csv-file-read-write-to-ui-etable-editable/58707 "2022-02-20T18:37:34Z")

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Hello, i´m new in node-red and java and have already implemented a small projects with node red with read/write a csv an show in ui-table in dashboard. That works so far. Now i need an editable table (Contrib-UI-Etabl…

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## [RaspberryPi OS Bullseye and xrdp not working](https://discourse.nodered.org/t/raspberrypi-os-bullseye-and-xrdp-not-working/56796)

<div class="topic-metadata">

**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 15\
**Last updated:** [20 February 2022 16:07 UTC](https://discourse.nodered.org/t/raspberrypi-os-bullseye-and-xrdp-not-working/56796 "2022-02-20T16:07:56Z")

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I am trying to set up a new Raspi with Bullseye. Unfortunately xrdp is not working. Does anybody have the same problem and eventually a solution?

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## [Ggwave to wav/mp3 buffer](https://discourse.nodered.org/t/ggwave-to-wav-mp3-buffer/58656)

<div class="topic-metadata">

**Author:** [@lizzardguki](https://discourse.nodered.org/u/lizzardguki)\
**Replies:** 2\
**Last updated:** [20 February 2022 14:19 UTC](https://discourse.nodered.org/t/ggwave-to-wav-mp3-buffer/58656 "2022-02-20T14:19:46Z")

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A while back i created a node minimodem which was using an old cli application for (de)coding strings to audio... This only worked on the server-side, playing/listening on a default audio device. It runs great but I nee…

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## [Incorrectly formatted json string](https://discourse.nodered.org/t/incorrectly-formatted-json-string/58693)

<div class="topic-metadata">

**Author:** [@GrantWise](https://discourse.nodered.org/u/GrantWise)\
**Replies:** 3\
**Last updated:** [20 February 2022 13:48 UTC](https://discourse.nodered.org/t/incorrectly-formatted-json-string/58693 "2022-02-20T13:48:36Z")

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Hi, I am very new to node-red and MQTT so the problem that I have found has taken me a while to pin down. I have a device that is logging the temperature on 3 channels, currently I only have 1 working, which I want to lo…

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## [Dynamic node settings](https://discourse.nodered.org/t/dynamic-node-settings/57134)

<div class="topic-metadata">

**Author:** [@PiMo131](https://discourse.nodered.org/u/PiMo131)\
**Replies:** 6\
**Last updated:** [20 February 2022 13:43 UTC](https://discourse.nodered.org/t/dynamic-node-settings/57134 "2022-02-20T13:43:54Z")

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Hi, ussually with node README's there is some information about dynamically setting field with a msg.xxx For below case it could be that the node information will state that the phone# can be set by sending msg.phonen…

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## [Cronplus node, location as an environment or context variable](https://discourse.nodered.org/t/cronplus-node-location-as-an-environment-or-context-variable/58687)

<div class="topic-metadata">

**Author:** [@DaddelLinux](https://discourse.nodered.org/u/DaddelLinux)\
**Replies:** 2\
**Last updated:** [20 February 2022 13:33 UTC](https://discourse.nodered.org/t/cronplus-node-location-as-an-environment-or-context-variable/58687 "2022-02-20T13:33:52Z")

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Hi there, I would like to assign an environment or context variable to the location in solar events mode. Having had no success with it myself so far, I need your help. Can anyone tell me if that is possible? An exampl…

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## [I want to remove one \] from string](https://discourse.nodered.org/t/i-want-to-remove-one-from-string/58692)

<div class="topic-metadata">

**Author:** [@vaibhavnaware01](https://discourse.nodered.org/u/vaibhavnaware01)\
**Replies:** 2\
**Last updated:** [20 February 2022 13:26 UTC](https://discourse.nodered.org/t/i-want-to-remove-one-from-string/58692 "2022-02-20T13:26:58Z")

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how to remove last bracket in nodered?

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## [Searching files in container](https://discourse.nodered.org/t/searching-files-in-container/58685)

<div class="topic-metadata">

**Author:** [@novski](https://discourse.nodered.org/u/novski)\
**Replies:** 0\
**Last updated:** [20 February 2022 12:05 UTC](https://discourse.nodered.org/t/searching-files-in-container/58685 "2022-02-20T12:05:05Z")

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I'm searching for the correct path to my keyfile. My docker container running my NR 2.2.2. has following path to my filesystem: docker volume ls DRIVER VOLUME NAME local 9bfb5c... local 50222... local no…

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## [Node-red-contrib-ramp-thermostat delay issue](https://discourse.nodered.org/t/node-red-contrib-ramp-thermostat-delay-issue/58646)

<div class="topic-metadata">

**Author:** [@magicman](https://discourse.nodered.org/u/magicman)\
**Replies:** 2\
**Last updated:** [20 February 2022 11:42 UTC](https://discourse.nodered.org/t/node-red-contrib-ramp-thermostat-delay-issue/58646 "2022-02-20T11:42:08Z")

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hi, i use this node to control my heating and worked well but noticed a delay in updating target temp output is this the norm? or something i have done? notice the target temp output dosent match the schedule target t…

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