# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=594

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

**Page:** 595

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## [MQTT transformation before influxdb](https://discourse.nodered.org/t/mqtt-transformation-before-influxdb/41919)

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**Author:** [@bert2713d](https://discourse.nodered.org/u/bert2713d)\
**Replies:** 13\
**Last updated:** [3 March 2021 13:01 UTC](https://discourse.nodered.org/t/mqtt-transformation-before-influxdb/41919 "2021-03-03T13:01:34Z")

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Dear all, I have a small problem and I am turning in round without solution. I am receiving MQTT topic and I have to divided them by 10 before to sent them to an influxdb database. Simple but ...it is not working .Prob…

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## [Influxdb node & internal server errors](https://discourse.nodered.org/t/influxdb-node-internal-server-errors/41847)

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**Author:** [@marcostrullato](https://discourse.nodered.org/u/marcostrullato)\
**Replies:** 6\
**Last updated:** [3 March 2021 12:43 UTC](https://discourse.nodered.org/t/influxdb-node-internal-server-errors/41847 "2021-03-03T12:43:03Z")

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Hi all, I have flow that is receiving data from mqtt, converting such data to a json, and storing it into influxdb. Nodered is the latest available for raspbian buster, influxdb connector (this) is of type "out", and i…

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## [Error notification email](https://discourse.nodered.org/t/error-notification-email/41936)

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**Author:** [@imamdwi](https://discourse.nodered.org/u/imamdwi)\
**Replies:** 3\
**Last updated:** [3 March 2021 12:24 UTC](https://discourse.nodered.org/t/error-notification-email/41936 "2021-03-03T12:24:04Z")

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good afternoon friends I want to ask I want to make an email notification but an error appears like this self signed certificate in certificate chain. Please help

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## [Telegram receiver stops working](https://discourse.nodered.org/t/telegram-receiver-stops-working/41796)

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**Author:** [@loeten](https://discourse.nodered.org/u/loeten)\
**Replies:** 9\
**Last updated:** [3 March 2021 11:57 UTC](https://discourse.nodered.org/t/telegram-receiver-stops-working/41796 "2021-03-03T11:57:01Z")

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Similar issue here: I have an actual NodeRed and Telegram Node installed about 3 months ago at a raspberry pi. Everything works ok, but after - lets say - a day the receiver stops working. I have only one receiver and o…

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## [HTTP post queue](https://discourse.nodered.org/t/http-post-queue/41773)

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**Author:** [@kubasmyk](https://discourse.nodered.org/u/kubasmyk)\
**Replies:** 6\
**Last updated:** [3 March 2021 11:53 UTC](https://discourse.nodered.org/t/http-post-queue/41773 "2021-03-03T11:53:44Z")

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Hi any easy way to add queueing of messages with persistence on the hard drive? I need something that removes messages from the queue on a successful http 201 code.

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## [NODE-RED and MOSQUITTO docker-compose](https://discourse.nodered.org/t/node-red-and-mosquitto-docker-compose/41904)

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**Author:** [@henrycosta05](https://discourse.nodered.org/u/henrycosta05)\
**Replies:** 6\
**Last updated:** [3 March 2021 11:41 UTC](https://discourse.nodered.org/t/node-red-and-mosquitto-docker-compose/41904 "2021-03-03T11:41:35Z")

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Hi, I've googled looking for docker compose with node-red and mosquitto, but I can't use properly. Someone has the example? Thanks

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## [Multiple Payload in a single MQTT Node](https://discourse.nodered.org/t/multiple-payload-in-a-single-mqtt-node/41636)

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**Author:** [@HZB](https://discourse.nodered.org/u/HZB)\
**Replies:** 6\
**Last updated:** [3 March 2021 11:24 UTC](https://discourse.nodered.org/t/multiple-payload-in-a-single-mqtt-node/41636 "2021-03-03T11:24:12Z")

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Hi, I don't want to use multiple MQTT Nodes in a single flow I want to send Status of level, date, last entered comment by using a single MQTT Node. I am pasting my flow for 1 machine. \[ { "id": "6a01a541.…

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## [Unable to install SQlite](https://discourse.nodered.org/t/unable-to-install-sqlite/41878)

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**Author:** [@NodeC](https://discourse.nodered.org/u/NodeC)\
**Replies:** 5\
**Last updated:** [3 March 2021 09:07 UTC](https://discourse.nodered.org/t/unable-to-install-sqlite/41878 "2021-03-03T09:07:57Z")

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npm i --unsafe-perm node-red-node-sqlite npm WARN deprecated node-pre-gyp@0.11.0: Please upgrade to @mapbox/node-pre-gyp: the non-scoped node-pre-gyp package is deprecated and only the @mapbox scoped package will reciev…

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## [Securing Node-RED and using node-red-contrib-tfjs-coco-ssd](https://discourse.nodered.org/t/securing-node-red-and-using-node-red-contrib-tfjs-coco-ssd/41933)

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**Author:** [@krambriw](https://discourse.nodered.org/u/krambriw)\
**Replies:** 1\
**Last updated:** [3 March 2021 09:02 UTC](https://discourse.nodered.org/t/securing-node-red-and-using-node-red-contrib-tfjs-coco-ssd/41933 "2021-03-03T09:02:07Z")

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Just to inform. If you have password protected the node-defined HTTP endpoints (httpNodeRoot), or the static content (httpStatic) in settings,js, the node will fail in it's attempt loading the model If you change the de…

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## [Watson Discovery Setting](https://discourse.nodered.org/t/watson-discovery-setting/41932)

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**Author:** [@aaa](https://discourse.nodered.org/u/aaa)\
**Replies:** 0\
**Last updated:** [3 March 2021 08:27 UTC](https://discourse.nodered.org/t/watson-discovery-setting/41932 "2021-03-03T08:27:16Z")

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hi, I am developing with ”node-red-node-watson : watson-discovery-v1”. I had a problem setting "node-red-node-watson : watson-discovery-v1"'s argument. The following two points are assumed for the setting method of wa…

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## [Windows open and doors open for X minutes](https://discourse.nodered.org/t/windows-open-and-doors-open-for-x-minutes/41522)

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**Author:** [@hollapm](https://discourse.nodered.org/u/hollapm)\
**Replies:** 13\
**Last updated:** [3 March 2021 02:43 UTC](https://discourse.nodered.org/t/windows-open-and-doors-open-for-x-minutes/41522 "2021-03-03T02:43:39Z")

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I'm creating a whole house fan module, and want the whole house fan to turn on when more than 2 window is open. I'd like to have it also add to the total count if a door is open for Y minutes. So if I have one window o…

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## [Identify manual override, however context gets lost?!](https://discourse.nodered.org/t/identify-manual-override-however-context-gets-lost/41917)

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**Author:** [@docNeptun](https://discourse.nodered.org/u/docNeptun)\
**Replies:** 2\
**Last updated:** [2 March 2021 21:51 UTC](https://discourse.nodered.org/t/identify-manual-override-however-context-gets-lost/41917 "2021-03-02T21:51:32Z")

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What I want to achieve: I am using the Blind Control Node for my shutters. However, in addition to the calculated positions coming from this node, the shutters may also be opened or closed with physical buttons and/or vo…

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## [TTS on Docker via audio jack](https://discourse.nodered.org/t/tts-on-docker-via-audio-jack/41913)

<div class="topic-metadata">

**Author:** [@Grad](https://discourse.nodered.org/u/Grad)\
**Replies:** 0\
**Last updated:** [2 March 2021 19:39 UTC](https://discourse.nodered.org/t/tts-on-docker-via-audio-jack/41913 "2021-03-02T19:39:01Z")

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Hi there, I'm using Nodered in Docker. I'm looking for a packet that will allow to get the TTS functionality via analog audio jack. For some time I used RPi3B+ with OMXplayer successfully. Now I moved to the HP T620 thin…

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## [Help with payload to homeassistant entity attributes](https://discourse.nodered.org/t/help-with-payload-to-homeassistant-entity-attributes/41909)

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**Author:** [@kaczkalolo](https://discourse.nodered.org/u/kaczkalolo)\
**Replies:** 1\
**Last updated:** [2 March 2021 19:38 UTC](https://discourse.nodered.org/t/help-with-payload-to-homeassistant-entity-attributes/41909 "2021-03-02T19:38:48Z")

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Hi Could anyone please help me with getting that below payload divided into attributes that i could then push to home assistant entity? I got that payload from running ssh to my server: {"topic":"192.168.1.80","\_msgid…

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## [MQTT 5 message properties](https://discourse.nodered.org/t/mqtt-5-message-properties/40732)

<div class="topic-metadata">

**Author:** [@tetrived](https://discourse.nodered.org/u/tetrived)\
**Replies:** 12\
**Last updated:** [2 March 2021 18:54 UTC](https://discourse.nodered.org/t/mqtt-5-message-properties/40732 "2021-03-02T18:54:33Z")

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I am working with Node red 1.2 latest release. When I am publish message to MQTT broker v5 content type and payloadformatIndicator property being passed as null. I could not see any option to set this properties in Node-…

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## [Reolink Live Stream Dashboard](https://discourse.nodered.org/t/reolink-live-stream-dashboard/41862)

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**Author:** [@Andrefs](https://discourse.nodered.org/u/Andrefs)\
**Replies:** 1\
**Last updated:** [2 March 2021 18:00 UTC](https://discourse.nodered.org/t/reolink-live-stream-dashboard/41862 "2021-03-02T18:00:07Z")

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Hello everyone, I have a reolink rlc-410 camera and i want to do live stream on dashboard. I already tried but i only can do snapshot ou sabe images ou videos. Has anyone done live stream with a reolink camera on dashb…

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## [Getting data from T&D Webstorage](https://discourse.nodered.org/t/getting-data-from-t-d-webstorage/41901)

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**Author:** [@sebastian.cabrera](https://discourse.nodered.org/u/sebastian.cabrera)\
**Replies:** 2\
**Last updated:** [2 March 2021 15:44 UTC](https://discourse.nodered.org/t/getting-data-from-t-d-webstorage/41901 "2021-03-02T15:44:41Z")

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Hi everybody. I'm just starting with node-red and need to get some temperature data from a T&D Sensor. It has a web storage service included with the purchase and, to get the data in an automatic way, they offer a webs…

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## [Get data from TTI via Node-RED from multiple gateways](https://discourse.nodered.org/t/get-data-from-tti-via-node-red-from-multiple-gateways/41898)

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**Author:** [@wiesel](https://discourse.nodered.org/u/wiesel)\
**Replies:** 0\
**Last updated:** [2 March 2021 14:24 UTC](https://discourse.nodered.org/t/get-data-from-tti-via-node-red-from-multiple-gateways/41898 "2021-03-02T14:24:35Z")

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I’m testing a couple of LoRaWAN gateways to find out which one has the best rssi/snr. I have made this function in Node-RED called "get specific data" var msg1 = { payload: { gtw: msg.payload.uplink\_message.rx\_m…

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## [Uibuilder charts doesn't show on mobile devices](https://discourse.nodered.org/t/uibuilder-charts-doesnt-show-on-mobile-devices/41834)

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**Author:** [@SeRiusRod](https://discourse.nodered.org/u/SeRiusRod)\
**Replies:** 6\
**Last updated:** [2 March 2021 14:00 UTC](https://discourse.nodered.org/t/uibuilder-charts-doesnt-show-on-mobile-devices/41834 "2021-03-02T14:00:16Z")

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I've tried with the echarts and apexcharts examples, so far on chrome and firefox. It shows an empty area where the charts should be located. Is this normal, like some rendering component missing on mobile phones or shou…

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## [OPC UA Client configuration error: the certificate and private key do not match](https://discourse.nodered.org/t/opc-ua-client-configuration-error-the-certificate-and-private-key-do-not-match/41756)

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**Author:** [@prakashreddy2008](https://discourse.nodered.org/u/prakashreddy2008)\
**Replies:** 1\
**Last updated:** [2 March 2021 12:19 UTC](https://discourse.nodered.org/t/opc-ua-client-configuration-error-the-certificate-and-private-key-do-not-match/41756 "2021-03-02T12:19:15Z")

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I am unable to connect to my OPC UA server . Please help .

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## [Error redirection](https://discourse.nodered.org/t/error-redirection/41864)

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**Author:** [@mxm](https://discourse.nodered.org/u/mxm)\
**Replies:** 2\
**Last updated:** [2 March 2021 12:11 UTC](https://discourse.nodered.org/t/error-redirection/41864 "2021-03-02T12:11:58Z")

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I'm using tuya-smart-device to control some bulbs. If the power switch is off the bulb is naturally off and the tuya-smart-device can't connect. That is alright I even capture the status of the node to set proper value o…

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## [Node Red chart / site is probably hanging on to many data?](https://discourse.nodered.org/t/node-red-chart-site-is-probably-hanging-on-to-many-data/41885)

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**Author:** [@F\_R](https://discourse.nodered.org/u/F_R)\
**Replies:** 6\
**Last updated:** [2 March 2021 12:02 UTC](https://discourse.nodered.org/t/node-red-chart-site-is-probably-hanging-on-to-many-data/41885 "2021-03-02T12:02:22Z")

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I receive the weather data via RS485, these are received with Baud19200. I split the data string and display it in a chart. After a few hours, the chart or website UI freezes. Presumably this is due to too many data !? I…

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## [Function node not working](https://discourse.nodered.org/t/function-node-not-working/41891)

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**Author:** [@Sensors](https://discourse.nodered.org/u/Sensors)\
**Replies:** 3\
**Last updated:** [2 March 2021 11:53 UTC](https://discourse.nodered.org/t/function-node-not-working/41891 "2021-03-02T11:53:29Z")

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I have no idea what I'm doing wrong with this function node. It's probably something really silly, but can someone help? I'm just trying to alter a msg.payload with a simple if statement, but no matter the input the out…

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## [Install new node](https://discourse.nodered.org/t/install-new-node/41884)

<div class="topic-metadata">

**Author:** [@Eintracht00](https://discourse.nodered.org/u/Eintracht00)\
**Replies:** 12\
**Last updated:** [2 March 2021 11:17 UTC](https://discourse.nodered.org/t/install-new-node/41884 "2021-03-02T11:17:38Z")

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i use node red local on my pc. i want to install new palette but i get just failure. i tried it in the browser , in cmd and in cmd in node\_modules . all time i get this:

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## [Problems node red postgres multi](https://discourse.nodered.org/t/problems-node-red-postgres-multi/41806)

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**Author:** [@dushi](https://discourse.nodered.org/u/dushi)\
**Replies:** 0\
**Last updated:** [1 March 2021 12:51 UTC](https://discourse.nodered.org/t/problems-node-red-postgres-multi/41806 "2021-03-01T12:51:05Z")

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Hi, I'm new in node red. I am having a problem with node-red-contrib-postgres-multi 0.2.0. I have created a flow in which I query with postgres-multi and everything works perfectly. The problem arises when I restart do…

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## [Opc-ua client "Event View" data access](https://discourse.nodered.org/t/opc-ua-client-event-view-data-access/41887)

<div class="topic-metadata">

**Author:** [@lucatxt](https://discourse.nodered.org/u/lucatxt)\
**Replies:** 0\
**Last updated:** [2 March 2021 10:43 UTC](https://discourse.nodered.org/t/opc-ua-client-event-view-data-access/41887 "2021-03-02T10:43:59Z")

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Hi, i am trying to acquire data with this opc-ua client: node-red-contrib-iiot-opcua (I know it is no longer maintained) and I would like to be able to read data that can only be seen via "Event View" (this is how it is…

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## [Deployment time is long](https://discourse.nodered.org/t/deployment-time-is-long/41596)

<div class="topic-metadata">

**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 22\
**Last updated:** [2 March 2021 09:59 UTC](https://discourse.nodered.org/t/deployment-time-is-long/41596 "2021-03-02T09:59:52Z")

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Hi, My Node-RED application has 5 flow and 8 subflow, when exporting all in JSON format the total size is 1.25 MB. Each time I click the Deploy button, it takes a long time to complete, about 9 minutes each time. I th…

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## [How to save sensor data in text file?](https://discourse.nodered.org/t/how-to-save-sensor-data-in-text-file/41800)

<div class="topic-metadata">

**Author:** [@Dave298](https://discourse.nodered.org/u/Dave298)\
**Replies:** 8\
**Last updated:** [2 March 2021 08:34 UTC](https://discourse.nodered.org/t/how-to-save-sensor-data-in-text-file/41800 "2021-03-02T08:34:25Z")

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Hello everybody, I'm not very familiar with Node-RED and programming in general, so I probably have a very simple question. I have a project in which I read out 15 temperature sensors in parallel and also have to save …

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## [Turning an array of acceleration values into individual records for influxdb](https://discourse.nodered.org/t/turning-an-array-of-acceleration-values-into-individual-records-for-influxdb/41871)

<div class="topic-metadata">

**Author:** [@seismo](https://discourse.nodered.org/u/seismo)\
**Replies:** 3\
**Last updated:** [2 March 2021 08:09 UTC](https://discourse.nodered.org/t/turning-an-array-of-acceleration-values-into-individual-records-for-influxdb/41871 "2021-03-02T08:09:34Z")

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Hi there! I am using Node-RED to take incoming MQTT msgs every second that contain values from an accelerometer. Each msg has an array of JSON objects that contain x,y,z arrays of 32 floats, as well as the device id. A …

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## [Timestamp conversion to date totally off](https://discourse.nodered.org/t/timestamp-conversion-to-date-totally-off/41872)

<div class="topic-metadata">

**Author:** [@bstabens](https://discourse.nodered.org/u/bstabens)\
**Replies:** 1\
**Last updated:** [2 March 2021 06:01 UTC](https://discourse.nodered.org/t/timestamp-conversion-to-date-totally-off/41872 "2021-03-02T06:01:42Z")

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I have an inject node I run periodically. I take msg.timestamp and try to convert it to human readable form var a = new Date(); msg.payload = { "Time": a.toLocaleTimeString(msg.timestamp\*1000)}; return msg And I get al…

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