# Latest

**URL:** https://discourse.nodered.org/latest.md?page=958

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

**Page:** 959

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## [Help needed using flow.serialnumber into command line](https://discourse.nodered.org/t/help-needed-using-flow-serialnumber-into-command-line/35705)

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**Author:** [@jeremy8810](https://discourse.nodered.org/u/jeremy8810)\
**Replies:** 2\
**Last updated:** [10 November 2020 22:58 UTC](https://discourse.nodered.org/t/help-needed-using-flow-serialnumber-into-command-line/35705 "2020-11-10T22:58:39Z")

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Hi There, I am currenlty using node-red to program routers automatically. Now I want to set the router-identity to an unique ID which I saved as a string in flow.serialnumber. But since my knowledge isn't that best I …

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## [Help needed with https put request](https://discourse.nodered.org/t/help-needed-with-https-put-request/35704)

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**Author:** [@steirx](https://discourse.nodered.org/u/steirx)\
**Replies:** 2\
**Last updated:** [10 November 2020 22:26 UTC](https://discourse.nodered.org/t/help-needed-with-https-put-request/35704 "2020-11-10T22:26:03Z")

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hi there, I have been experimenting with node red for a while and I love it. My javascript and HTML programming skills however are rudimentary and I am thus asking for your help (or pointers). I found a python library …

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## [JASONata $flowcontext can't get it working](https://discourse.nodered.org/t/jasonata-flowcontext-cant-get-it-working/35696)

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**Author:** [@nonix](https://discourse.nodered.org/u/nonix)\
**Replies:** 6\
**Last updated:** [10 November 2020 21:37 UTC](https://discourse.nodered.org/t/jasonata-flowcontext-cant-get-it-working/35696 "2020-11-10T21:37:34Z")

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Hi guys, 'm not sure if I am doing something wrong, but I can't get this simple flow to work: \[{"id":"c1d0123d.36c56","type":"inject","z":"e4a2b71d.443e78","name":"","props":\[{"p":"payload"},{"p":"topic","vt":"str"}\],"r…

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## [Node-Red Editor no longer working afte Node-Red hangup](https://discourse.nodered.org/t/node-red-editor-no-longer-working-afte-node-red-hangup/35463)

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**Author:** [@BenrdP](https://discourse.nodered.org/u/BenrdP)\
**Replies:** 5\
**Last updated:** [10 November 2020 21:05 UTC](https://discourse.nodered.org/t/node-red-editor-no-longer-working-afte-node-red-hangup/35463 "2020-11-10T21:05:49Z")

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Hello, I am starting with Node-Red two weeks before and had good succes. My System: Rasberry PI 4, MQTT Mosquitto Broker, Node-Red, 8266 Wifi Module. Today I had a complete hangup of Node-Red Editor. Node-Red adapt…

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## [Easye4 PLC with node-red](https://discourse.nodered.org/t/easye4-plc-with-node-red/35697)

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**Author:** [@rahmafaris](https://discourse.nodered.org/u/rahmafaris)\
**Replies:** 2\
**Last updated:** [10 November 2020 20:53 UTC](https://discourse.nodered.org/t/easye4-plc-with-node-red/35697 "2020-11-10T20:53:49Z")

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hello i am trying to connect easye4 with Node-red but i am getting stuck in send data for PLC , can anyone help ?

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## [( NOOB ) Numeric input as value for if else function](https://discourse.nodered.org/t/noob-numeric-input-as-value-for-if-else-function/35681)

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**Author:** [@Nailuj](https://discourse.nodered.org/u/Nailuj)\
**Replies:** 11\
**Last updated:** [10 November 2020 18:50 UTC](https://discourse.nodered.org/t/noob-numeric-input-as-value-for-if-else-function/35681 "2020-11-10T18:50:25Z")

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Hello Community, I previsouly want to excuse my self if this question was already answerd or discussed. But I searched since two days and try to solved it myself but with now succed. Im new into this topic of programmi…

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## [Home Assistant Websocket Detect Button Press](https://discourse.nodered.org/t/home-assistant-websocket-detect-button-press/35691)

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**Author:** [@shutupfry](https://discourse.nodered.org/u/shutupfry)\
**Replies:** 0\
**Last updated:** [10 November 2020 19:29 UTC](https://discourse.nodered.org/t/home-assistant-websocket-detect-button-press/35691 "2020-11-10T19:29:43Z")

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I've been working with GE Enbrighten Z wave switches, Home Assistant, and the Home Assistant Websocket Node RED module. Ultimately I'm trying to be able to detect whenever a bathroom fan is turned on and keep it running …

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## [Dumb question about editing a node](https://discourse.nodered.org/t/dumb-question-about-editing-a-node/34434)

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**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 78\
**Last updated:** [10 November 2020 18:37 UTC](https://discourse.nodered.org/t/dumb-question-about-editing-a-node/34434 "2020-11-10T18:37:29Z")

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Hi, I installed a node red node the other day and noticed some buggy behavior. I've never worked on a node before, let alone a project in javascript, yet I was able to successfully make changes to the server.js script …

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## [Image to use for windows in node red docs?](https://discourse.nodered.org/t/image-to-use-for-windows-in-node-red-docs/35660)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 8\
**Last updated:** [10 November 2020 17:54 UTC](https://discourse.nodered.org/t/image-to-use-for-windows-in-node-red-docs/35660 "2020-11-10T17:54:35Z")

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I am attempting to contribute to the node red docs by adding a link to Getting Started pointing to the Windows install. Can anyone suggest an image to use for Windows that will not cause legal issues?

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## [Integrate with JSON API output](https://discourse.nodered.org/t/integrate-with-json-api-output/35683)

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**Author:** [@dclear](https://discourse.nodered.org/u/dclear)\
**Replies:** 1\
**Last updated:** [10 November 2020 16:55 UTC](https://discourse.nodered.org/t/integrate-with-json-api-output/35683 "2020-11-10T16:55:07Z")

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I'm trying to integrate with Camlytics. It's a tool that will happily send webhooks, but I thought it would be potentially even more efficient if I could connect to its API instead? This is available to me at http://loca…

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## [Npm install & update makes Editor unresponsive](https://discourse.nodered.org/t/npm-install-update-makes-editor-unresponsive/35046)

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**Author:** [@fdiaz](https://discourse.nodered.org/u/fdiaz)\
**Replies:** 7\
**Last updated:** [10 November 2020 16:14 UTC](https://discourse.nodered.org/t/npm-install-update-makes-editor-unresponsive/35046 "2020-11-10T16:14:46Z")

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Hello All! First time posting here so please excuse any wrongdoing or double posting. I am running into an issue where if I attempt to update packages/Nodes through the windows CMD using either: npm install or npm up…

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## [Getting msg.payload string instead of msg.payload object](https://discourse.nodered.org/t/getting-msg-payload-string-instead-of-msg-payload-object/35672)

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**Author:** [@fogmajor](https://discourse.nodered.org/u/fogmajor)\
**Replies:** 2\
**Last updated:** [10 November 2020 15:43 UTC](https://discourse.nodered.org/t/getting-msg-payload-string-instead-of-msg-payload-object/35672 "2020-11-10T15:43:24Z")

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\[{"id":"f73bbce9.98ce6","type":"tab","label":"Loop with IO Status","disabled":false,"info":""},{"id":"498c6c69.672984","type":"function","z":"f73bbce9.98ce6","name":"Simple array","func":"var StrIO = msg.payload // Strin…

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## [CSV node outputs multiple identical lines](https://discourse.nodered.org/t/csv-node-outputs-multiple-identical-lines/35611)

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**Author:** [@JCLeuvennink](https://discourse.nodered.org/u/JCLeuvennink)\
**Replies:** 5\
**Last updated:** [10 November 2020 14:49 UTC](https://discourse.nodered.org/t/csv-node-outputs-multiple-identical-lines/35611 "2020-11-10T14:49:00Z")

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I have a problem with the CSV node. In my flow, I pass an array of objects, as the payload, to the CSV node. I expect the node to output a csv string containing a line for each object in the array. The node does output a…

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## [NodeRed XML to MSSQL](https://discourse.nodered.org/t/nodered-xml-to-mssql/35667)

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**Author:** [@s19k15](https://discourse.nodered.org/u/s19k15)\
**Replies:** 7\
**Last updated:** [10 November 2020 14:46 UTC](https://discourse.nodered.org/t/nodered-xml-to-mssql/35667 "2020-11-10T14:46:14Z")

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I have created a Node-Red Flow that reads a huge XML file (Around 2.5GB) passes each line to a function which is looking about a specific tag and returns the value. Everything is fine when I try to visualize the values …

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## [Redundancy Thoughts - MQTT and NR](https://discourse.nodered.org/t/redundancy-thoughts-mqtt-and-nr/35633)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 2\
**Last updated:** [10 November 2020 14:34 UTC](https://discourse.nodered.org/t/redundancy-thoughts-mqtt-and-nr/35633 "2020-11-10T14:34:06Z")

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Like many of us I am using MQTT and NR combo to manage the lighting in my house. Lately the Pi that I have been using is starting to lock up. So I would like to replicate the MQTT/NR combo to another machine and have the…

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## [Combine Sensor data to transfer in Influxdb](https://discourse.nodered.org/t/combine-sensor-data-to-transfer-in-influxdb/35540)

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**Author:** [@GTiglio](https://discourse.nodered.org/u/GTiglio)\
**Replies:** 4\
**Last updated:** [10 November 2020 13:55 UTC](https://discourse.nodered.org/t/combine-sensor-data-to-transfer-in-influxdb/35540 "2020-11-10T13:55:51Z")

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Hi all, I have a electrical power sensor, that send me many value via MQTT. I want to store 3 different power values (3 phases of my home installation). The sensors sends this data via 3 single messages (topics are ...…

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## [Payload data problem](https://discourse.nodered.org/t/payload-data-problem/35658)

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**Author:** [@Blaz](https://discourse.nodered.org/u/Blaz)\
**Replies:** 8\
**Last updated:** [10 November 2020 12:06 UTC](https://discourse.nodered.org/t/payload-data-problem/35658 "2020-11-10T12:06:14Z")

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I am using a Multitech device which acts as LoraWAN server. Elsys.se sensors are connected fine and are delivering data. Now I have the problem in node-red the payload data does not look like useful data. E. g. the CO2 …

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## [Chart timestamp on x-axis not accurate](https://discourse.nodered.org/t/chart-timestamp-on-x-axis-not-accurate/35309)

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**Author:** [@rand](https://discourse.nodered.org/u/rand)\
**Replies:** 10\
**Last updated:** [10 November 2020 11:29 UTC](https://discourse.nodered.org/t/chart-timestamp-on-x-axis-not-accurate/35309 "2020-11-10T11:29:56Z")

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Hi, I am having an issue displaying proper timing on my x-axis and was wondering if someone could please help. Here is my flow, please let me know if additional data is needed: \[{"id":"83afaffb.3b3b8","type":"tab","labe…

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## [Crop image node-red-contrib-image-tools](https://discourse.nodered.org/t/crop-image-node-red-contrib-image-tools/35459)

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**Author:** [@leeg77](https://discourse.nodered.org/u/leeg77)\
**Replies:** 2\
**Last updated:** [10 November 2020 11:23 UTC](https://discourse.nodered.org/t/crop-image-node-red-contrib-image-tools/35459 "2020-11-10T11:23:38Z")

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Hi all, I am setting up a flow to take a photo and then crop to a certain size at a set point but I am not getting any output using the jimp-image node's crop function. I have used other flavours of function for this no…

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## [\[ANNOUNCE\] node-red-contrib-prometheus-exporter](https://discourse.nodered.org/t/announce-node-red-contrib-prometheus-exporter/35666)

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**Author:** [@matterlobby](https://discourse.nodered.org/u/matterlobby)\
**Replies:** 0\
**Last updated:** [10 November 2020 11:13 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-prometheus-exporter/35666 "2020-11-10T11:13:24Z")

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Today, we have released a new node node-red-contrib-prometheus-exporter that allows you to define your own Prometheus metrics and to expose them from within flows. We are using the node at docoyo for our own product dev…

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## [Tasmota and AM2301 vs SI7120](https://discourse.nodered.org/t/tasmota-and-am2301-vs-si7120/35627)

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**Author:** [@AD2TM](https://discourse.nodered.org/u/AD2TM)\
**Replies:** 2\
**Last updated:** [10 November 2020 11:00 UTC](https://discourse.nodered.org/t/tasmota-and-am2301-vs-si7120/35627 "2020-11-10T11:00:43Z")

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I have several temperature sensors labeled AM2301 deployed. But, in Tasmota, I have to set GPIO 14 to SI7120 in order to get any reading from them. The readings I am getting seem to be fairly accurate. I am wondering if…

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## [Send data at specific interval of time](https://discourse.nodered.org/t/send-data-at-specific-interval-of-time/35574)

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**Author:** [@maa1](https://discourse.nodered.org/u/maa1)\
**Replies:** 8\
**Last updated:** [10 November 2020 08:59 UTC](https://discourse.nodered.org/t/send-data-at-specific-interval-of-time/35574 "2020-11-10T08:59:47Z")

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Hello, I'm pulling the data from my device at a 1-second interval and I want to send it to the database at a specific time interval of the day i.e. of 15 minutes. Please help me.

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## [How to create value in dropdown from input user](https://discourse.nodered.org/t/how-to-create-value-in-dropdown-from-input-user/35642)

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**Author:** [@pelarnut01](https://discourse.nodered.org/u/pelarnut01)\
**Replies:** 1\
**Last updated:** [10 November 2020 08:43 UTC](https://discourse.nodered.org/t/how-to-create-value-in-dropdown-from-input-user/35642 "2020-11-10T08:43:04Z")

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How to create value in dropdown from input user

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## [How to using http request for this case](https://discourse.nodered.org/t/how-to-using-http-request-for-this-case/35421)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 2\
**Last updated:** [10 November 2020 08:37 UTC](https://discourse.nodered.org/t/how-to-using-http-request-for-this-case/35421 "2020-11-10T08:37:32Z")

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Hi, I have a Data folder containing zip files: Files data: C:\\Temp\\Data and 2 processing flows called Flow1 and Flow2: ■Flow1 will take care of moving all the zip files to the Move, Backup folder \[{"id":"8ede64f…

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## [Docker to Docker ECONNREFUSED (Node-Red - to - SQL Server)](https://discourse.nodered.org/t/docker-to-docker-econnrefused-node-red-to-sql-server/35629)

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**Author:** [@s19k15](https://discourse.nodered.org/u/s19k15)\
**Replies:** 4\
**Last updated:** [10 November 2020 07:23 UTC](https://discourse.nodered.org/t/docker-to-docker-econnrefused-node-red-to-sql-server/35629 "2020-11-10T07:23:09Z")

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I have a Windows System. Inside the Windows System, I have Virtual Box with Ubuntu Inside the Ubuntu, I have installed Node-Red and SQL Server as dockers. While being inside the Ubuntu, I am able to work with Node-Re…

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## [Modbus Flux connector issue](https://discourse.nodered.org/t/modbus-flux-connector-issue/35648)

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**Author:** [@akhtar321h](https://discourse.nodered.org/u/akhtar321h)\
**Replies:** 0\
**Last updated:** [10 November 2020 05:52 UTC](https://discourse.nodered.org/t/modbus-flux-connector-issue/35648 "2020-11-10T05:52:48Z")

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Hello Everyone, I am using @node-red-contrib-modbus nodes. In that one flux connector node is there for configuring the connector type, baud rate, slave id and so on. But, when i am passing parameters through function …

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## [Ability to add custom config in passport.authenticate](https://discourse.nodered.org/t/ability-to-add-custom-config-in-passport-authenticate/35646)

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**Author:** [@mrinalvirnave](https://discourse.nodered.org/u/mrinalvirnave)\
**Replies:** 0\
**Last updated:** [10 November 2020 04:34 UTC](https://discourse.nodered.org/t/ability-to-add-custom-config-in-passport-authenticate/35646 "2020-11-10T04:34:26Z")

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I am using passport-azure-ad and have a need to add a "customState" option in the passport.authenticate() function here (and line 207) I can do it by just adding the customState option in the object as below in my own f…

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## [How select and send to BBDD only the changed values](https://discourse.nodered.org/t/how-select-and-send-to-bbdd-only-the-changed-values/33147)

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**Author:** [@Jotarod](https://discourse.nodered.org/u/Jotarod)\
**Replies:** 5\
**Last updated:** [10 November 2020 02:00 UTC](https://discourse.nodered.org/t/how-select-and-send-to-bbdd-only-the-changed-values/33147 "2020-11-10T02:00:10Z")

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Dear all, I am using the node s7 to read some data from a PLC, https://www.npmjs.com/package/node-red-contrib-s7 I am reading and getting the data correctly. In the node configuration exist a checkbox to get data only…

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## [Send skript to serial device and see the response](https://discourse.nodered.org/t/send-skript-to-serial-device-and-see-the-response/33882)

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**Author:** [@Thierry\_Bryan](https://discourse.nodered.org/u/Thierry_Bryan)\
**Replies:** 1\
**Last updated:** [10 November 2020 01:55 UTC](https://discourse.nodered.org/t/send-skript-to-serial-device-and-see-the-response/33882 "2020-11-10T01:55:11Z")

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Hello, i use Node-red on my IOT2040 and i want to send comandos to Scalance S unter serial port. Have you a idea please ?

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## [Change first day of week on datepicker](https://discourse.nodered.org/t/change-first-day-of-week-on-datepicker/35539)

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**Author:** [@mischkasmith](https://discourse.nodered.org/u/mischkasmith)\
**Replies:** 15\
**Last updated:** [10 November 2020 00:01 UTC](https://discourse.nodered.org/t/change-first-day-of-week-on-datepicker/35539 "2020-11-10T00:01:27Z")

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Hello. Does anyone know how to change the first day of the week in the datepicker node? The week should start on monday and not on sunday.

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