# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=441

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

**Page:** 442

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## [Error: ENOENT: no such file or directory, open '/data/package.json'](https://discourse.nodered.org/t/error-enoent-no-such-file-or-directory-open-data-package-json/56379)

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**Author:** [@khayal](https://discourse.nodered.org/u/khayal)\
**Replies:** 1\
**Last updated:** [10 January 2022 09:34 UTC](https://discourse.nodered.org/t/error-enoent-no-such-file-or-directory-open-data-package-json/56379 "2022-01-10T09:34:06Z")

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Hello Everyone, I have recently upgraded by docker image of node-red to 2.1.4. While i deploy the the node-red pod in kubernetes i am able to see the logs below. These errors are not impacting the functionality of node…

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## [Can not send information from S7 to Database(MariaDB) via node-red (FAILED!)](https://discourse.nodered.org/t/can-not-send-information-from-s7-to-database-mariadb-via-node-red-failed/56249)

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**Author:** [@sk\_riffat](https://discourse.nodered.org/u/sk_riffat)\
**Replies:** 2\
**Last updated:** [10 January 2022 06:39 UTC](https://discourse.nodered.org/t/can-not-send-information-from-s7-to-database-mariadb-via-node-red-failed/56249 "2022-01-10T06:39:04Z")

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Hello everyone, I hope you are having a wonderful day. I am currently working at node red in a project. I am sending information from S7(TIA portal) to a Database(MariaDB) using node-red. I have succesfully connected S7…

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## [Filter Multi Dimensional Array](https://discourse.nodered.org/t/filter-multi-dimensional-array/56334)

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**Author:** [@JohnnyPicnic](https://discourse.nodered.org/u/JohnnyPicnic)\
**Replies:** 12\
**Last updated:** [10 January 2022 03:25 UTC](https://discourse.nodered.org/t/filter-multi-dimensional-array/56334 "2022-01-10T03:25:34Z")

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I can't seem to get the syntax right to only return the array with a "Value" containing "Gaming" in a multi dimensional array. This is what i've got so far: msg.payload = msg.payload.Volumes.Tags.filter(el =\> el.Value.…

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## [SQLITE data to Charts - Various Issues](https://discourse.nodered.org/t/sqlite-data-to-charts-various-issues/56308)

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**Author:** [@MakerMan](https://discourse.nodered.org/u/MakerMan)\
**Replies:** 12\
**Last updated:** [10 January 2022 03:23 UTC](https://discourse.nodered.org/t/sqlite-data-to-charts-various-issues/56308 "2022-01-10T03:23:55Z")

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Hello This is my first post, sorry it's a bit long-winded ... Overview I have an outstation sending data to Node-Red via MQTT. The data is sent every 30s and is (temperature 1, temperature 2, humidity, pressure, volt…

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## ["mqtt in" node 'Best Practice'](https://discourse.nodered.org/t/mqtt-in-node-best-practice/56333)

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**Author:** [@MakerMan](https://discourse.nodered.org/u/MakerMan)\
**Replies:** 13\
**Last updated:** [9 January 2022 18:03 UTC](https://discourse.nodered.org/t/mqtt-in-node-best-practice/56333 "2022-01-09T18:03:13Z")

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I've looked around and not spotted information about best practice approaches regarding the use of the mqtt in node. There are two obvious approaches; (a) In each flow where a particular message is needed, create a mqt…

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## [SMA EV Charger get data using curl - how to this in Node-RED?](https://discourse.nodered.org/t/sma-ev-charger-get-data-using-curl-how-to-this-in-node-red/56328)

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**Author:** [@nosered1966](https://discourse.nodered.org/u/nosered1966)\
**Replies:** 3\
**Last updated:** [9 January 2022 17:40 UTC](https://discourse.nodered.org/t/sma-ev-charger-get-data-using-curl-how-to-this-in-node-red/56328 "2022-01-09T17:40:08Z")

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Hi all, below is a trace ( I do not know if this is the correct name because in principle I have no clue about programming with Linux, Perl, Curl and so on and, in addition, English is not my native language... ) of som…

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## [Tasmota power plug MQTT connecting problem](https://discourse.nodered.org/t/tasmota-power-plug-mqtt-connecting-problem/56342)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 9\
**Last updated:** [9 January 2022 15:37 UTC](https://discourse.nodered.org/t/tasmota-power-plug-mqtt-connecting-problem/56342 "2022-01-09T15:37:58Z")

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I am trying to connect a TASMOTA (not SONOFF) power plug with mqtt. I use node-red-contrib-tasmota. I use the sensor node to communicate. I have configured the broker node, But the power plug as well as node-r…

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## [Bigtimer 2.8.0 outputs](https://discourse.nodered.org/t/bigtimer-2-8-0-outputs/56345)

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**Author:** [@adamis](https://discourse.nodered.org/u/adamis)\
**Replies:** 3\
**Last updated:** [9 January 2022 15:12 UTC](https://discourse.nodered.org/t/bigtimer-2-8-0-outputs/56345 "2022-01-09T15:12:10Z")

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Hi, about 3 days ago get to the second output from Bigtimer 1 or 0, but now only " "... Do you have it too?

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## [Function tried to send a message of type boolean](https://discourse.nodered.org/t/function-tried-to-send-a-message-of-type-boolean/56340)

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**Author:** [@hermiot](https://discourse.nodered.org/u/hermiot)\
**Replies:** 4\
**Last updated:** [9 January 2022 11:24 UTC](https://discourse.nodered.org/t/function-tried-to-send-a-message-of-type-boolean/56340 "2022-01-09T11:24:59Z")

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Hi, I'm trying to build up a logic to control my ventilator. Only one of the four switches can be active at one time. So I'm trying to send the message to activate/deactivate the relays with a function. var L1\_on = ms…

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## [Can I package whole nodered project using pkg node?](https://discourse.nodered.org/t/can-i-package-whole-nodered-project-using-pkg-node/56271)

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**Author:** [@Henjoe](https://discourse.nodered.org/u/Henjoe)\
**Replies:** 10\
**Last updated:** [9 January 2022 03:10 UTC](https://discourse.nodered.org/t/can-i-package-whole-nodered-project-using-pkg-node/56271 "2022-01-09T03:10:57Z")

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Hi nodered experts, I successfully created a project on nodered using an offline installer by TotallyInformation. It means I can run nodered projects independently. Now I want those "nodereds" to run on a single execut…

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## [How to make an SNMP Counter32 continuous](https://discourse.nodered.org/t/how-to-make-an-snmp-counter32-continuous/56324)

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**Author:** [@Weespies](https://discourse.nodered.org/u/Weespies)\
**Replies:** 4\
**Last updated:** [9 January 2022 01:15 UTC](https://discourse.nodered.org/t/how-to-make-an-snmp-counter32-continuous/56324 "2022-01-09T01:15:26Z")

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Looking for some help, while the attached flow gets me the counter32 for in and out traffic on my local router I fall into the shortcomings of counter32 resetting The Counter32 type represents a non-negative integer wh…

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## [Node-RED installation on Apple M1 computer](https://discourse.nodered.org/t/node-red-installation-on-apple-m1-computer/56305)

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**Author:** [@KarlAlois](https://discourse.nodered.org/u/KarlAlois)\
**Replies:** 5\
**Last updated:** [8 January 2022 21:11 UTC](https://discourse.nodered.org/t/node-red-installation-on-apple-m1-computer/56305 "2022-01-08T21:11:21Z")

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Hi Node-RED users, I just moved from an old Mac mini to the M1 Mac mini 2020 by doing a Time Machine restore using the backup of the old Mac mini. I realize that by doing so, I have transferred a lot of intel code, but …

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## [Set multiple config parameters](https://discourse.nodered.org/t/set-multiple-config-parameters/56326)

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**Author:** [@tommyk2](https://discourse.nodered.org/u/tommyk2)\
**Replies:** 0\
**Last updated:** [8 January 2022 20:59 UTC](https://discourse.nodered.org/t/set-multiple-config-parameters/56326 "2022-01-08T20:59:49Z")

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I have a Homeseer HS-WD200+. This dimmer has multiple status LEDs on the switch that can be programmed. For instance, perhaps i want the first LED to blink Red once the washing machine is done. Zwave JS has great docu…

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## [Modbus Flex Connector: Error Payload not Valid - connector Type](https://discourse.nodered.org/t/modbus-flex-connector-error-payload-not-valid-connector-type/56297)

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**Author:** [@SeRiusRod](https://discourse.nodered.org/u/SeRiusRod)\
**Replies:** 2\
**Last updated:** [8 January 2022 20:44 UTC](https://discourse.nodered.org/t/modbus-flex-connector-error-payload-not-valid-connector-type/56297 "2022-01-08T20:44:50Z")

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Created with change node json: I don't understand where's the problem. It's just like the documentation example, but replacing single quotes that are not valid on json.

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## [Remove Linefeed (/n) in CSV Node](https://discourse.nodered.org/t/remove-linefeed-n-in-csv-node/55612)

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**Author:** [@Hyxion14](https://discourse.nodered.org/u/Hyxion14)\
**Replies:** 7\
**Last updated:** [8 January 2022 19:58 UTC](https://discourse.nodered.org/t/remove-linefeed-n-in-csv-node/55612 "2022-01-08T19:58:45Z")

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Hi, I have created a flow that extracts information from an http API, with that information I create a payload and I want to write the payload in a CSV. The flow works correctly, but in the CSV it inserts a blank line b…

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## [Node-Red in a SDCard image for another PI](https://discourse.nodered.org/t/node-red-in-a-sdcard-image-for-another-pi/56287)

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**Author:** [@goony](https://discourse.nodered.org/u/goony)\
**Replies:** 4\
**Last updated:** [8 January 2022 18:31 UTC](https://discourse.nodered.org/t/node-red-in-a-sdcard-image-for-another-pi/56287 "2022-01-08T18:31:35Z")

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Hi I tried to backup the whole RPi2 SDCard as an image with installed NodeRed. Then I made a second card and used this card in the same RPi. - no Problem But when I use this card in a differend RPi (same version) node…

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## [Remove an in-use palette in command line to install a compatible successor](https://discourse.nodered.org/t/remove-an-in-use-palette-in-command-line-to-install-a-compatible-successor/56319)

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**Author:** [@knaxman](https://discourse.nodered.org/u/knaxman)\
**Replies:** 3\
**Last updated:** [8 January 2022 17:33 UTC](https://discourse.nodered.org/t/remove-an-in-use-palette-in-command-line-to-install-a-compatible-successor/56319 "2022-01-08T17:33:13Z")

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Hi together, I have Alexa-remote2 in operation and want to upgrade to a successor. https://flows.nodered.org/node/node-red-contrib-alexa-remote2-applestrudel The description shows an option in command line which seems…

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## [Serial Data Parser / Decoding](https://discourse.nodered.org/t/serial-data-parser-decoding/55855)

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**Author:** [@Nero](https://discourse.nodered.org/u/Nero)\
**Replies:** 19\
**Last updated:** [8 January 2022 14:56 UTC](https://discourse.nodered.org/t/serial-data-parser-decoding/55855 "2022-01-08T14:56:47Z")

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Hi all, I'm new at node red and spent a lot of time with reading here. My problem is that I have an arduino sending some data to serial port of my raspberry but I can not decode / show them right. The arduino is measu…

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## [Can’t install node-red-contrib-tfjs-coco-ssd on raspberry pi 3](https://discourse.nodered.org/t/can-t-install-node-red-contrib-tfjs-coco-ssd-on-raspberry-pi-3/56310)

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**Author:** [@faridomu](https://discourse.nodered.org/u/faridomu)\
**Replies:** 1\
**Last updated:** [8 January 2022 14:39 UTC](https://discourse.nodered.org/t/can-t-install-node-red-contrib-tfjs-coco-ssd-on-raspberry-pi-3/56310 "2022-01-08T14:39:58Z")

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Hello everyone I have problem in installing this node on my raspberry pi 3 and this is what i get in terminal this is the node version : node js v14.18.1 npm v6.14.15 nodered v2.1.4 and i use raspberry pi OS c…

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## [Can't install node-red-contrib-tfjs-coco-ssd](https://discourse.nodered.org/t/cant-install-node-red-contrib-tfjs-coco-ssd/55932)

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**Author:** [@shidqinaf](https://discourse.nodered.org/u/shidqinaf)\
**Replies:** 3\
**Last updated:** [8 January 2022 14:27 UTC](https://discourse.nodered.org/t/cant-install-node-red-contrib-tfjs-coco-ssd/55932 "2022-01-08T14:27:50Z")

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Hello, I hope someone can help me. I would like to install the object detection node-red-contrib-tfjs-coco-ssd on Windows. Unfortunately it does not install correctly. During the installation I get the following error. …

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## [Node-red-contrib-modbus, why those errors appear while installing?](https://discourse.nodered.org/t/node-red-contrib-modbus-why-those-errors-appear-while-installing/56296)

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**Author:** [@SeRiusRod](https://discourse.nodered.org/u/SeRiusRod)\
**Replies:** 5\
**Last updated:** [8 January 2022 13:09 UTC](https://discourse.nodered.org/t/node-red-contrib-modbus-why-those-errors-appear-while-installing/56296 "2022-01-08T13:09:57Z")

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I'm triyng to understand why those errors appear. A node-red installation works well and fast installing and removing nodes from pallette until you install node-red-contrib-modbus. Then package installations stuck for so…

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## [Packaging a Subflow as a module, missing broker configuration](https://discourse.nodered.org/t/packaging-a-subflow-as-a-module-missing-broker-configuration/55485)

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**Author:** [@MohsenZamany](https://discourse.nodered.org/u/MohsenZamany)\
**Replies:** 8\
**Last updated:** [8 January 2022 12:53 UTC](https://discourse.nodered.org/t/packaging-a-subflow-as-a-module-missing-broker-configuration/55485 "2022-01-08T12:53:06Z")

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i'm using Packaging a Subflow as a module, but after install node (subflow here), i get a "missing broker configuration" error, my subflow has mqtt in and mqtt-broker (configuration node)

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## [If second message is not received then resend message](https://discourse.nodered.org/t/if-second-message-is-not-received-then-resend-message/56239)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 37\
**Last updated:** [8 January 2022 12:33 UTC](https://discourse.nodered.org/t/if-second-message-is-not-received-then-resend-message/56239 "2022-01-08T12:33:49Z")

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I have a node it send me messages periodically or if there is a change. Now I need to send it a message and I need acknowledgement that it received it, if not after the 2nd message received I need to resend the message…

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## [Run Notepad.exe using nssm](https://discourse.nodered.org/t/run-notepad-exe-using-nssm/56068)

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**Author:** [@gunkatzu](https://discourse.nodered.org/u/gunkatzu)\
**Replies:** 4\
**Last updated:** [8 January 2022 12:05 UTC](https://discourse.nodered.org/t/run-notepad-exe-using-nssm/56068 "2022-01-08T12:05:02Z")

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How can i call and show notepad.exe in my desktop? i run my node red with nssm service and used exec node to call notepad.. but notepad only show in background (pid process) can anyone help me ? thanks

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## [Function Node: "TypeError: msg.payload.replaceAll is not a function"](https://discourse.nodered.org/t/function-node-typeerror-msg-payload-replaceall-is-not-a-function/56288)

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**Author:** [@jacob22](https://discourse.nodered.org/u/jacob22)\
**Replies:** 5\
**Last updated:** [8 January 2022 10:52 UTC](https://discourse.nodered.org/t/function-node-typeerror-msg-payload-replaceall-is-not-a-function/56288 "2022-01-08T10:52:58Z")

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Hey guys! I am measuring data from the RasPi with an Exec Node. This measurements come as a string with an endline at the end. I used to have a function node wich replaces the \\n. I don't know what i have changed but no…

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## [How to package node-red project into an executable file? \[SOLVED\]](https://discourse.nodered.org/t/how-to-package-node-red-project-into-an-executable-file-solved/11217)

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**Author:** [@sajidb](https://discourse.nodered.org/u/sajidb)\
**Replies:** 9\
**Last updated:** [8 January 2022 10:50 UTC](https://discourse.nodered.org/t/how-to-package-node-red-project-into-an-executable-file-solved/11217 "2022-01-08T10:50:22Z")

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I want to package my Node-RED flow deployment into an executable file so whenever the executable file is run then the flow should be deployed. How can this be achieved?

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## [Change a value into a text file](https://discourse.nodered.org/t/change-a-value-into-a-text-file/56268)

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**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 10\
**Last updated:** [8 January 2022 10:46 UTC](https://discourse.nodered.org/t/change-a-value-into-a-text-file/56268 "2022-01-08T10:46:37Z")

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Good evening, I need some help. I want to change a value in this file. $ cat /etc/raspiwifi/raspiwifi.conf ssid\_prefix=SmartPhotons auto\_config=1 auto\_config\_delay=300 ssl\_enabled=0 server\_port=80 wpa\_enabled=0 wpa\_key=…

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## [Kill video loop and restart after delay](https://discourse.nodered.org/t/kill-video-loop-and-restart-after-delay/56280)

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**Author:** [@azertym](https://discourse.nodered.org/u/azertym)\
**Replies:** 0\
**Last updated:** [8 January 2022 06:17 UTC](https://discourse.nodered.org/t/kill-video-loop-and-restart-after-delay/56280 "2022-01-08T06:17:26Z")

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Hi all, To finish my work i need to make a flow with exec node. I need to launch a vidéo manually, this vidéo play in loop. sometimes, my srf 04 can detect people and i need to kill the loop, play video prox, and resta…

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## [Node-red-contrib-persist nodes not working after Node-RED upgrade](https://discourse.nodered.org/t/node-red-contrib-persist-nodes-not-working-after-node-red-upgrade/56279)

<div class="topic-metadata">

**Author:** [@tohox](https://discourse.nodered.org/u/tohox)\
**Replies:** 1\
**Last updated:** [8 January 2022 06:00 UTC](https://discourse.nodered.org/t/node-red-contrib-persist-nodes-not-working-after-node-red-upgrade/56279 "2022-01-08T06:00:22Z")

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Hi! After doing an apt-get-update/upgrade on my RPi all persist nodes in my flows are non functionnal and Node-RED generated warnings upon starting: \[warn\] \[RED.events\] Deprecated use of "nodes-started" event from "/ho…

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## [Read DS18B20 Temps MQTT ESP32?](https://discourse.nodered.org/t/read-ds18b20-temps-mqtt-esp32/56275)

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**Author:** [@Choder](https://discourse.nodered.org/u/Choder)\
**Replies:** 1\
**Last updated:** [8 January 2022 00:04 UTC](https://discourse.nodered.org/t/read-ds18b20-temps-mqtt-esp32/56275 "2022-01-08T00:04:13Z")

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I am trying to read the temperatures from an ESP32 with tasmota on MQTT. It worked using a nodemcu, but I can't read anything with the ESP32. This is MQTT string I am getting from the ESP32 with tasmota. 00:57:58.936 …

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