# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1199

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

**Page:** 1200

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## [Subflow vs mqtt](https://discourse.nodered.org/t/subflow-vs-mqtt/18074)

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**Author:** [@kris](https://discourse.nodered.org/u/kris)\
**Replies:** 1\
**Last updated:** [17 November 2019 21:41 UTC](https://discourse.nodered.org/t/subflow-vs-mqtt/18074 "2019-11-17T21:41:45Z")

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Hi, I started using Node-Red one year ago. It's really a pleasure to use it. I would like to optimize my project for one aspect and I don't find how to do it by myself, so I expect someone could give me a good idea. O…

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## [Ifttt node with google services](https://discourse.nodered.org/t/ifttt-node-with-google-services/18078)

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**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 0\
**Last updated:** [17 November 2019 22:09 UTC](https://discourse.nodered.org/t/ifttt-node-with-google-services/18078 "2019-11-17T22:09:22Z")

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Hi, Just be aware, (in case you have some mission critical flows using ifttt and google) that google services may not work with ifttt since Sept19, apparently they are working on a fix. I tried the ifttt node with goo…

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## [FritzBox call an internal phone](https://discourse.nodered.org/t/fritzbox-call-an-internal-phone/18065)

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**Author:** [@GreyDiamond](https://discourse.nodered.org/u/GreyDiamond)\
**Replies:** 1\
**Last updated:** [17 November 2019 19:52 UTC](https://discourse.nodered.org/t/fritzbox-call-an-internal-phone/18065 "2019-11-17T19:52:07Z")

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Hello everyone! I was playing around with Node-RED the last few hours and asked myself: Is it possible to call a phone connected to my fritzbox? For example use the TR-064 protocol or some other way.... But I wasn't able…

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## [Node-Red-Dashboard SWITCH Hhaptic feedback and more](https://discourse.nodered.org/t/node-red-dashboard-switch-hhaptic-feedback-and-more/18070)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 0\
**Last updated:** [17 November 2019 19:42 UTC](https://discourse.nodered.org/t/node-red-dashboard-switch-hhaptic-feedback-and-more/18070 "2019-11-17T19:42:09Z")

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In my custom buttons on the blog https://tech.scargill.net I've made some nice custom buttons using tmplates - graphic and otherise, but I'm finding the SWITCH node in Dashboard very useful or space saving - the only pro…

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## [RED.nodes.getNode fails on Windows 10](https://discourse.nodered.org/t/red-nodes-getnode-fails-on-windows-10/18069)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 0\
**Last updated:** [17 November 2019 19:05 UTC](https://discourse.nodered.org/t/red-nodes-getnode-fails-on-windows-10/18069 "2019-11-17T19:05:56Z")

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Hi folks, I'm currently developing a node which contains following endpoint: RED.httpAdmin.get('/xterm\_shell/:node\_id/:terminal\_id/:command/:info', function(req, res) { var xtermShellNode = RED.nodes.getNode(req.par…

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## [\[ANNOUNCE\] node-red-contrib-sony-audio 1.4.0 released](https://discourse.nodered.org/t/announce-node-red-contrib-sony-audio-1-4-0-released/18060)

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**Author:** [@jens\_rossbach](https://discourse.nodered.org/u/jens_rossbach)\
**Replies:** 0\
**Last updated:** [17 November 2019 16:36 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-sony-audio-1-4-0-released/18060 "2019-11-17T16:36:43Z")

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Hi all, version 1.4.0 of node-red-contrib-sony-audio has been released. You can now start a device discovery which searches for Sony audio devices available in the network. Found devices can be selected to take over th…

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## [Build language support](https://discourse.nodered.org/t/build-language-support/18059)

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**Author:** [@baihongru](https://discourse.nodered.org/u/baihongru)\
**Replies:** 0\
**Last updated:** [17 November 2019 15:58 UTC](https://discourse.nodered.org/t/build-language-support/18059 "2019-11-17T15:58:15Z")

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After modifying the language file (packages/node\_modules/@node-red/editor-client/locales/zh-CN), how do you compile it so that the change takes effect in the target? Or how do I compile a release?

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## [Add milliseconds to timestamp on console logging](https://discourse.nodered.org/t/add-milliseconds-to-timestamp-on-console-logging/17921)

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**Author:** [@T0T4R4](https://discourse.nodered.org/u/T0T4R4)\
**Replies:** 16\
**Last updated:** [17 November 2019 15:40 UTC](https://discourse.nodered.org/t/add-milliseconds-to-timestamp-on-console-logging/17921 "2019-11-17T15:40:40Z")

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The timestamp provided as part of the Debug node console logging does not include milliseconds, and is not following the ISO format, is there a way to change this ?

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## [Mqtt node not connecting to broker](https://discourse.nodered.org/t/mqtt-node-not-connecting-to-broker/18048)

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**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 7\
**Last updated:** [17 November 2019 09:04 UTC](https://discourse.nodered.org/t/mqtt-node-not-connecting-to-broker/18048 "2019-11-17T09:04:38Z")

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NR: version V0.20.5 HW:PI3b+ Issue: MQTT node not connecting Error: "Error: listen EACCES: permission denied 0.0.0.0:80" I do not know what I did, but the mqtt node is not connecting in one of my NR instance any more…

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## [Stopping Sequence an hour before sunset](https://discourse.nodered.org/t/stopping-sequence-an-hour-before-sunset/17911)

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**Author:** [@rlongfield](https://discourse.nodered.org/u/rlongfield)\
**Replies:** 4\
**Last updated:** [17 November 2019 03:13 UTC](https://discourse.nodered.org/t/stopping-sequence-an-hour-before-sunset/17911 "2019-11-17T03:13:33Z")

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I am new to Node-Red, like hours new. I was able to setup a sequence to turn on my lights if the weather is bad, someone is home, and it was after 14:00 and before sunset. My lights turn on at sunset with 1 light comin…

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## [Start action when a usb stick is connected](https://discourse.nodered.org/t/start-action-when-a-usb-stick-is-connected/18046)

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**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 6\
**Last updated:** [16 November 2019 23:16 UTC](https://discourse.nodered.org/t/start-action-when-a-usb-stick-is-connected/18046 "2019-11-16T23:16:08Z")

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I am creating some puzzles with node-red. One puzzle is with some data on a usb stick. The player needs to plug the usb stick in and then a flow should start I am trying to do this with lsusb but then the whole time i…

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## [House blueprint with graphic interactions dashboard](https://discourse.nodered.org/t/house-blueprint-with-graphic-interactions-dashboard/2906)

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**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\
**Replies:** 32\
**Last updated:** [16 November 2019 22:15 UTC](https://discourse.nodered.org/t/house-blueprint-with-graphic-interactions-dashboard/2906 "2019-11-16T22:15:18Z")

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Hello All I have several sensors and would like to have a graphic interface, by using the house blue print has a background be able to show the sensors values ( temperature or lights) and also be able to turn on/off in…

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## [Multiple node red instances](https://discourse.nodered.org/t/multiple-node-red-instances/18002)

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**Author:** [@Meng](https://discourse.nodered.org/u/Meng)\
**Replies:** 6\
**Last updated:** [16 November 2019 17:08 UTC](https://discourse.nodered.org/t/multiple-node-red-instances/18002 "2019-11-16T17:08:57Z")

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What is the best way to run multiple node-red instances? As far as i can find a different port is needed for every instance. Is sharing the setting.js file and or node\_modules a good option? Or is it advised to make mult…

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## [Last Will testament / Check if node is online / trigger and buffer](https://discourse.nodered.org/t/last-will-testament-check-if-node-is-online-trigger-and-buffer/18029)

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**Author:** [@nodster](https://discourse.nodered.org/u/nodster)\
**Replies:** 4\
**Last updated:** [16 November 2019 16:38 UTC](https://discourse.nodered.org/t/last-will-testament-check-if-node-is-online-trigger-and-buffer/18029 "2019-11-16T16:38:53Z")

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Dear Community, 1 have about 30 nodes within my network, and i used ping to check if they are "online" and send email alarm. This triggers a lot of notifications.... i found out abot LWT functionality, and i want to us…

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## [Cannot connect to Postgres database](https://discourse.nodered.org/t/cannot-connect-to-postgres-database/17914)

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**Author:** [@abesis](https://discourse.nodered.org/u/abesis)\
**Replies:** 8\
**Last updated:** [16 November 2019 15:16 UTC](https://discourse.nodered.org/t/cannot-connect-to-postgres-database/17914 "2019-11-16T15:16:55Z")

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Hi, I've been trying to communicate with Postgres database that runs locally on a Raspberry pi. So far I think that I have tried every node available through the Palette, such as node-red-contrib-postgres-variable n…

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## [Conveyor Belt - people counter - counting](https://discourse.nodered.org/t/conveyor-belt-people-counter-counting/17996)

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**Author:** [@bmeester](https://discourse.nodered.org/u/bmeester)\
**Replies:** 8\
**Last updated:** [15 November 2019 14:26 UTC](https://discourse.nodered.org/t/conveyor-belt-people-counter-counting/17996 "2019-11-15T14:26:48Z")

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I have setup a pi with a grovepi board. I want to use the ultrasonic sensor to count products. The standard value that comes off it is around 500. When a product passes it drops to around 20. I want to make a counter …

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## [Using object keys: alternatives to this code?](https://discourse.nodered.org/t/using-object-keys-alternatives-to-this-code/18031)

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**Author:** [@danleighton](https://discourse.nodered.org/u/danleighton)\
**Replies:** 8\
**Last updated:** [16 November 2019 10:13 UTC](https://discourse.nodered.org/t/using-object-keys-alternatives-to-this-code/18031 "2019-11-16T10:13:46Z")

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Hi all, I'd like to do this with nodes, rather than using a JS function node. Why? Because it's much easier for non-programmers to understand the flow than the JS :slight\_smile: Essentially, I am using a known key, sto…

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## [Arrays of value into postgre](https://discourse.nodered.org/t/arrays-of-value-into-postgre/17998)

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**Author:** [@pranavthakkar](https://discourse.nodered.org/u/pranavthakkar)\
**Replies:** 0\
**Last updated:** [15 November 2019 13:18 UTC](https://discourse.nodered.org/t/arrays-of-value-into-postgre/17998 "2019-11-15T13:18:47Z")

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Hi there ! I have problem with my scripting is that my data is coming as an Arrays of value and I want this values dump in postgresql as individual columns. i,e Like If my array of values are 10 I want this values sto…

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## ["Function tried to send a message of type number"](https://discourse.nodered.org/t/function-tried-to-send-a-message-of-type-number/18021)

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**Author:** [@JaredG](https://discourse.nodered.org/u/JaredG)\
**Replies:** 2\
**Last updated:** [15 November 2019 23:03 UTC](https://discourse.nodered.org/t/function-tried-to-send-a-message-of-type-number/18021 "2019-11-15T23:03:23Z")

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I'm sure this is some type of newb thing. I'm trying to return a value from my array with: return msg.payload\[0\].V (Yes, I want the first value in the array. ) But I keep getting this error: "Function tried to send …

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## [\[Announce\] node-red-contrib-ui-statechart](https://discourse.nodered.org/t/announce-node-red-contrib-ui-statechart/18019)

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**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 1\
**Last updated:** [15 November 2019 22:07 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-statechart/18019 "2019-11-15T22:07:26Z")

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Little addition to dashboard widgets. Bar chart but not as regular one. Created for personal project but turned out to useful enough to be shared. :upside\_down\_face:

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## [Can't Connect database mysql](https://discourse.nodered.org/t/cant-connect-database-mysql/17988)

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**Author:** [@madihatunn](https://discourse.nodered.org/u/madihatunn)\
**Replies:** 5\
**Last updated:** [15 November 2019 16:35 UTC](https://discourse.nodered.org/t/cant-connect-database-mysql/17988 "2019-11-15T16:35:15Z")

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hi:) i wanna ask something. i have problem when i try to insert my value sensor or input to database mysql. some error show on this picture. how can i fix it? can help me please?? what should i do? thank you

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## [Node Red - connectivity to Watson](https://discourse.nodered.org/t/node-red-connectivity-to-watson/18006)

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**Author:** [@JaredG](https://discourse.nodered.org/u/JaredG)\
**Replies:** 0\
**Last updated:** [15 November 2019 14:55 UTC](https://discourse.nodered.org/t/node-red-connectivity-to-watson/18006 "2019-11-15T14:55:23Z")

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HI, We have two deployments of Node Red: in the IBM Watson environment local PC Both Node Reds have node-red-contrib-scx-ibmiotapp (using the "ibmiot in" node for connectivity) We have noted that Node Red says it is…

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## [How to send data with null character to a Serial port?](https://discourse.nodered.org/t/how-to-send-data-with-null-character-to-a-serial-port/17986)

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**Author:** [@iono](https://discourse.nodered.org/u/iono)\
**Replies:** 4\
**Last updated:** [15 November 2019 13:44 UTC](https://discourse.nodered.org/t/how-to-send-data-with-null-character-to-a-serial-port/17986 "2019-11-15T13:44:54Z")

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Hi, I am new to Node-Red and is trying things around. I have a ToF sensor that will send distance data only if it is activated by sending a specific set of bytes to it. On node.js, this is how it is done: function act…

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## [Configuration Node without Edit-Button](https://discourse.nodered.org/t/configuration-node-without-edit-button/17947)

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**Author:** [@stamer](https://discourse.nodered.org/u/stamer)\
**Replies:** 6\
**Last updated:** [15 November 2019 13:10 UTC](https://discourse.nodered.org/t/configuration-node-without-edit-button/17947 "2019-11-15T13:10:34Z")

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Hey, I have some custom nodes implemented and I have a problem with node-red configuration node on Linux. The Edit-Button next to the dropdown (see the picture below) is missing at the first load of the node. If I click…

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## [Can connect http in / out with OPC UA system](https://discourse.nodered.org/t/can-connect-http-in-out-with-opc-ua-system/17997)

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**Author:** [@ubuntitiCH](https://discourse.nodered.org/u/ubuntitiCH)\
**Replies:** 0\
**Last updated:** [15 November 2019 12:25 UTC](https://discourse.nodered.org/t/can-connect-http-in-out-with-opc-ua-system/17997 "2019-11-15T12:25:50Z")

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Hi, I'm using opcua-contrib and opcua-IIOT-contrib. My goal is to use a http in to: Returning the variables available Returning the value of a nameId in url parameter Till now I can set the target and if I use the no…

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## [MaxMin Thermometer reset](https://discourse.nodered.org/t/maxmin-thermometer-reset/10772)

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**Author:** [@Sean](https://discourse.nodered.org/u/Sean)\
**Replies:** 14\
**Last updated:** [15 November 2019 11:53 UTC](https://discourse.nodered.org/t/maxmin-thermometer-reset/10772 "2019-11-15T11:53:27Z")

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Hi, Been trying to set up a max-min thermometer using node red (ESP32/DHT22/MQTT/RPi3(please bear with me, I'm new at this)). I need a reset button for the max and min gauges, so used a button to fire a function node s…

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## [TCP Timeout error when using node-red-contrib-tplink-iot](https://discourse.nodered.org/t/tcp-timeout-error-when-using-node-red-contrib-tplink-iot/17784)

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**Author:** [@rollischulze67](https://discourse.nodered.org/u/rollischulze67)\
**Replies:** 4\
**Last updated:** [15 November 2019 08:00 UTC](https://discourse.nodered.org/t/tcp-timeout-error-when-using-node-red-contrib-tplink-iot/17784 "2019-11-15T08:00:39Z")

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With the code below, I succeeded to realize an own function node for a tp-link HS100 plug drectly with the tplink api. In this way, I can get and set the status of the plug and have no TCP Timeout-Error-Messages anymore.…

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## [Simple and advanced infrared security system](https://discourse.nodered.org/t/simple-and-advanced-infrared-security-system/16601)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 7\
**Last updated:** [15 November 2019 07:35 UTC](https://discourse.nodered.org/t/simple-and-advanced-infrared-security-system/16601 "2019-11-15T07:35:28Z")

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Just finished writing a tutorial on how to build a very simple and a more advanced infrared security system. The system can be activated & deactivated using Alexa and can also send status-messages to your mobile phone u…

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## [Using a Witty module](https://discourse.nodered.org/t/using-a-witty-module/17982)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 0\
**Last updated:** [14 November 2019 23:16 UTC](https://discourse.nodered.org/t/using-a-witty-module/17982 "2019-11-14T23:16:23Z")

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Just finished writing a tutorial (for my IoT students) on using the small Witty module (flashed with ESP Easy). If you've not heard of the Witty it's an ESP8266-based microcontroller mounted on two small PCB boards. Pl…

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## [Use files from dependent npm module](https://discourse.nodered.org/t/use-files-from-dependent-npm-module/17978)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 5\
**Last updated:** [15 November 2019 01:01 UTC](https://discourse.nodered.org/t/use-files-from-dependent-npm-module/17978 "2019-11-15T01:01:01Z")

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Hi folks, I'm stuck again with one of my new nodes. My custom node depends on another NPM module, so I have added it as a dependency in my package.json file. That module contains a couple of files that I need. For ex…

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