# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=737

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

**Page:** 738

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## [Set Temperatur of Thermostat with Z-Wave](https://discourse.nodered.org/t/set-temperatur-of-thermostat-with-z-wave/27916)

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**Author:** [@Tobitobs](https://discourse.nodered.org/u/Tobitobs)\
**Replies:** 6\
**Last updated:** [7 June 2020 12:39 UTC](https://discourse.nodered.org/t/set-temperatur-of-thermostat-with-z-wave/27916 "2020-06-07T12:39:16Z")

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Hi, I am not sure how to work with Z-Wave at all but I am still trying my best. So I did something I was sure it would work but it doesn't. I was trying to change the temperature to 26.

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## [AND Logic not operating](https://discourse.nodered.org/t/and-logic-not-operating/27902)

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**Author:** [@Rakmaneng](https://discourse.nodered.org/u/Rakmaneng)\
**Replies:** 16\
**Last updated:** [7 June 2020 11:37 UTC](https://discourse.nodered.org/t/and-logic-not-operating/27902 "2020-06-07T11:37:41Z")

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Hi all, I'm after some help with a AND logic function The gate is not behaving like a AND gate and will pass with only one input active. Any thoughts? \[{"id":"ed49abd7.bc8c18","type":"tab","label":"Flow 3","disable…

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## [Extracting NodeRed flows out of broken Hassio](https://discourse.nodered.org/t/extracting-nodered-flows-out-of-broken-hassio/27933)

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**Author:** [@santaklon](https://discourse.nodered.org/u/santaklon)\
**Replies:** 1\
**Last updated:** [7 June 2020 09:34 UTC](https://discourse.nodered.org/t/extracting-nodered-flows-out-of-broken-hassio/27933 "2020-06-07T09:34:09Z")

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Hello all, so I have been messing around with NodeRed within Hassio for about a year now. I had an insane amount of trouble with HA from the beginning on and it only got worse - NodeRed however was a delight and never g…

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## [Node-Red "Connection Lost"](https://discourse.nodered.org/t/node-red-connection-lost/27843)

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**Author:** [@Safety147](https://discourse.nodered.org/u/Safety147)\
**Replies:** 28\
**Last updated:** [7 June 2020 06:33 UTC](https://discourse.nodered.org/t/node-red-connection-lost/27843 "2020-06-07T06:33:01Z")

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Hello, I have a "Lost Connection" problem on all my browsers and on various devices (Phone, PC and tablet). I tried to empty the caches ==\> problem still exists. I reinstalled my RPI 3B several times ==\> always the sa…

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## [Somfy Rollershutter and Homekit beginner need help](https://discourse.nodered.org/t/somfy-rollershutter-and-homekit-beginner-need-help/27909)

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**Author:** [@ewok21](https://discourse.nodered.org/u/ewok21)\
**Replies:** 2\
**Last updated:** [7 June 2020 05:22 UTC](https://discourse.nodered.org/t/somfy-rollershutter-and-homekit-beginner-need-help/27909 "2020-06-07T05:22:24Z")

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Hi all I am a beginner in node red and need help with my somfy rollershutter and homekit. Homekit send: msg.payload : Object object TargetPosition: 50 and Somfy need: msg.payload : Object { action: "customPositio…

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## [JS editor code completion / templates](https://discourse.nodered.org/t/js-editor-code-completion-templates/20863)

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**Author:** [@aolsendk](https://discourse.nodered.org/u/aolsendk)\
**Replies:** 8\
**Last updated:** [7 June 2020 03:06 UTC](https://discourse.nodered.org/t/js-editor-code-completion-templates/20863 "2020-06-07T03:06:14Z")

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Hi all, I am running NR v.1.0.3 and think im going crazy. As far as i remember from earlier versions ~0.15-\>0.18, whenever i was editing javascript in the function node editor, i could press ctrl-space and get a dropdo…

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## [Node-red-contrib-unifi](https://discourse.nodered.org/t/node-red-contrib-unifi/27653)

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**Author:** [@daniel1411](https://discourse.nodered.org/u/daniel1411)\
**Replies:** 13\
**Last updated:** [6 June 2020 18:43 UTC](https://discourse.nodered.org/t/node-red-contrib-unifi/27653 "2020-06-06T18:43:54Z")

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How to enable/disable UNIFI AP using node-red-contrib-unifi? please assist

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## [Debug node causing RangeError: Maximum call stack size exceeded](https://discourse.nodered.org/t/debug-node-causing-rangeerror-maximum-call-stack-size-exceeded/27776)

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**Author:** [@lenny1972](https://discourse.nodered.org/u/lenny1972)\
**Replies:** 28\
**Last updated:** [6 June 2020 15:49 UTC](https://discourse.nodered.org/t/debug-node-causing-rangeerror-maximum-call-stack-size-exceeded/27776 "2020-06-06T15:49:34Z")

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On a random basis NR crashes with an error caused by a debug node (I suppose). Attachedd the error that my system log registerd and that cause NR to restart Jun 4 14:31:55 raspberrypi Node-RED\[345\]: 4 Jun 14:31:55 - …

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## [Node-Red-Contrib-I2c Issues](https://discourse.nodered.org/t/node-red-contrib-i2c-issues/27880)

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**Author:** [@mako](https://discourse.nodered.org/u/mako)\
**Replies:** 3\
**Last updated:** [6 June 2020 15:47 UTC](https://discourse.nodered.org/t/node-red-contrib-i2c-issues/27880 "2020-06-06T15:47:23Z")

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Hi. I Just installed the Node-Red-Contrib-I2c nodes from the pallet manager. The package installed with no errors or warnings. Node red version 1.0.6 Npm 6.14.4 NodeJs 10.15.1 The documentation says that the config …

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## [Serial Port not open](https://discourse.nodered.org/t/serial-port-not-open/27885)

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**Author:** [@mtoko](https://discourse.nodered.org/u/mtoko)\
**Replies:** 18\
**Last updated:** [6 June 2020 15:31 UTC](https://discourse.nodered.org/t/serial-port-not-open/27885 "2020-06-06T15:31:55Z")

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Hi I am getting the following error on a Raspberry pi 3 B+ when using the modbus node. (node:747) UnhandledPromiseRejectionWarning: Error: Port is not open at fs.write (/home/pi/.node-red/node\_modules/@serialport/bind…

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## [The exec node fails to execute a command that works in the terminal](https://discourse.nodered.org/t/the-exec-node-fails-to-execute-a-command-that-works-in-the-terminal/27897)

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**Author:** [@Laurent](https://discourse.nodered.org/u/Laurent)\
**Replies:** 3\
**Last updated:** [6 June 2020 15:14 UTC](https://discourse.nodered.org/t/the-exec-node-fails-to-execute-a-command-that-works-in-the-terminal/27897 "2020-06-06T15:14:44Z")

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Hello everyone and thank you for all your answers avaliable on this forum which allowed me to discover node-red and a little programming. I am a total newbie and my question may seem silly to you: What can prevent an ex…

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## [Why am I getting NaN?](https://discourse.nodered.org/t/why-am-i-getting-nan/27869)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 6\
**Last updated:** [6 June 2020 14:11 UTC](https://discourse.nodered.org/t/why-am-i-getting-nan/27869 "2020-06-06T14:11:58Z")

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I am trying to write a function to give me a running average of a sensor value, but no matter what I do, the output is NaN. Yes, I did discover the Mean Value node, so my math is superfluous. Except, I would like to kn…

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## [Snmp walker -\> influxdb](https://discourse.nodered.org/t/snmp-walker-influxdb/27529)

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**Author:** [@maccoa](https://discourse.nodered.org/u/maccoa)\
**Replies:** 11\
**Last updated:** [6 June 2020 13:51 UTC](https://discourse.nodered.org/t/snmp-walker-influxdb/27529 "2020-06-06T13:51:50Z")

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Good morning all . I just tested snmpwalker node, (very practical to retrieve all the information at once). the result is it possible in one operation, to insert in a measurement all the infos. example. database snm…

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## [How can i check for first startup of the Dashboard?](https://discourse.nodered.org/t/how-can-i-check-for-first-startup-of-the-dashboard/27855)

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**Author:** [@Pektin](https://discourse.nodered.org/u/Pektin)\
**Replies:** 1\
**Last updated:** [6 June 2020 13:53 UTC](https://discourse.nodered.org/t/how-can-i-check-for-first-startup-of-the-dashboard/27855 "2020-06-06T13:53:50Z")

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Hi my name is Elijah, i'd like to have a startup page made with the ui\_builder node. The thing is i already have the page, but i don't know how to check for first startup and let NodeRed redirect to the /startup page if…

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## [Delete characters](https://discourse.nodered.org/t/delete-characters/27893)

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**Author:** [@jml](https://discourse.nodered.org/u/jml)\
**Replies:** 2\
**Last updated:** [6 June 2020 13:33 UTC](https://discourse.nodered.org/t/delete-characters/27893 "2020-06-06T13:33:08Z")

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i want delete of the first twelve characters received from a UDP network message? in the beginning of the network message, the date and time are indicated, I do not want forward this information. I just want to recover…

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## [Trigger a flow via telegram and respond with data from MQTT?](https://discourse.nodered.org/t/trigger-a-flow-via-telegram-and-respond-with-data-from-mqtt/27868)

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**Author:** [@AnArn](https://discourse.nodered.org/u/AnArn)\
**Replies:** 6\
**Last updated:** [6 June 2020 12:38 UTC](https://discourse.nodered.org/t/trigger-a-flow-via-telegram-and-respond-with-data-from-mqtt/27868 "2020-06-06T12:38:10Z")

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Hi! May be this is a stupid question or I have just knots in my brain, but as I am completely new to Node Red, please forgive me my stupidness: I have data from my 3d-Printer via MQTT in Node Red and I have a chatbot f…

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## [Huemagic malfunction](https://discourse.nodered.org/t/huemagic-malfunction/27848)

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**Author:** [@tobias](https://discourse.nodered.org/u/tobias)\
**Replies:** 12\
**Last updated:** [6 June 2020 12:21 UTC](https://discourse.nodered.org/t/huemagic-malfunction/27848 "2020-06-06T12:21:42Z")

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Hello, I have problems with the Hugemagic node(s) (node-red-contrib-huemagic). I had some hue nodes running and it worked well. But now I have dicided to remove them, deleted all of these nodes in use, but I cannot remo…

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## [2 digit 7 segment display](https://discourse.nodered.org/t/2-digit-7-segment-display/27877)

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**Author:** [@PommyBitter](https://discourse.nodered.org/u/PommyBitter)\
**Replies:** 4\
**Last updated:** [6 June 2020 09:22 UTC](https://discourse.nodered.org/t/2-digit-7-segment-display/27877 "2020-06-06T09:22:13Z")

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Hello all, First off I'm a newcomer to node red and so far I love it. Still learning but operating on a basic level so far. I'm trying to output temperature to a 2 digit 7 segment display. I've found a node (7 segment …

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## [Problems to get station name out of sonos Universal Node (v 3.1.5)](https://discourse.nodered.org/t/problems-to-get-station-name-out-of-sonos-universal-node-v-3-1-5/27882)

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**Author:** [@Eberhard](https://discourse.nodered.org/u/Eberhard)\
**Replies:** 4\
**Last updated:** [6 June 2020 08:35 UTC](https://discourse.nodered.org/t/problems-to-get-station-name-out-of-sonos-universal-node-v-3-1-5/27882 "2020-06-06T08:35:14Z")

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Hi there, this ist my first question in this forum. Hoping that the community can help to solve my problem. The new Version 3.1.5 has lots of new features, but I cannot get the name of the radionstatio that is playing. …

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## [Trouble turning off light using SmartThings motion sensor](https://discourse.nodered.org/t/trouble-turning-off-light-using-smartthings-motion-sensor/27866)

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**Author:** [@s.newave](https://discourse.nodered.org/u/s.newave)\
**Replies:** 3\
**Last updated:** [6 June 2020 06:41 UTC](https://discourse.nodered.org/t/trouble-turning-off-light-using-smartthings-motion-sensor/27866 "2020-06-06T06:41:26Z")

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I’m still figuring out node red and how it works with Smartthings so apologies if this is a simple question. That said I haven’t been able to figure out how to use the smartthings motion sensor effectively. From what I …

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## [Help with current state node](https://discourse.nodered.org/t/help-with-current-state-node/27785)

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**Author:** [@Auto101](https://discourse.nodered.org/u/Auto101)\
**Replies:** 2\
**Last updated:** [4 June 2020 19:45 UTC](https://discourse.nodered.org/t/help-with-current-state-node/27785 "2020-06-04T19:45:48Z")

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Hi, The current state node works fine when I trigger this manually . The current state node shows error when I try to trigger it using an automation from an event. I am not sure what went wrong here . --Works fine : …

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## [Keep getting "undefined" when trying to access Context Data Flow variable](https://discourse.nodered.org/t/keep-getting-undefined-when-trying-to-access-context-data-flow-variable/27824)

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**Author:** [@diagonali](https://discourse.nodered.org/u/diagonali)\
**Replies:** 15\
**Last updated:** [5 June 2020 18:00 UTC](https://discourse.nodered.org/t/keep-getting-undefined-when-trying-to-access-context-data-flow-variable/27824 "2020-06-05T18:00:14Z")

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I've spent a lot of time trying different approaches and haven't been able to figure this out so far. I've got a flow for an alarm system which uses Zigbee2mqtt running under Home Assistant, some Ikea buttons and some X…

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## [Have Alexa Speak Current Weather from Ecobee state](https://discourse.nodered.org/t/have-alexa-speak-current-weather-from-ecobee-state/27726)

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**Author:** [@CaptainSweatpants](https://discourse.nodered.org/u/CaptainSweatpants)\
**Replies:** 5\
**Last updated:** [5 June 2020 17:15 UTC](https://discourse.nodered.org/t/have-alexa-speak-current-weather-from-ecobee-state/27726 "2020-06-05T17:15:27Z")

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So what I’m trying to do is have my Amazon Echo announce the current weather conditions from State data in my Ecobee4 (weather.ecobee4\_thermostat.state) when i turn on an input\_boolean. I’m using node-red-contrib-alexa…

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## [How to insert images and logos on the dashboard](https://discourse.nodered.org/t/how-to-insert-images-and-logos-on-the-dashboard/27767)

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**Author:** [@Joaovitor](https://discourse.nodered.org/u/Joaovitor)\
**Replies:** 2\
**Last updated:** [5 June 2020 17:10 UTC](https://discourse.nodered.org/t/how-to-insert-images-and-logos-on-the-dashboard/27767 "2020-06-05T17:10:10Z")

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Well, I need to do the following process: I need to insert a logo of the institution I study in on my dashboard. Preferably a PNG file, with no background. Was there a knot in which it would be possible to do this? or …

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## [Looking for Node- Red Developer](https://discourse.nodered.org/t/looking-for-node-red-developer/27801)

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**Author:** [@Savita](https://discourse.nodered.org/u/Savita)\
**Replies:** 6\
**Last updated:** [5 June 2020 13:49 UTC](https://discourse.nodered.org/t/looking-for-node-red-developer/27801 "2020-06-05T13:49:06Z")

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Hi All, I am looking for node-red developers in Sydney or Melbourne for a 12-month contract. This position is for one of the largest consulting companies in the world. Main Responsibilities: Node Red developer with N…

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## [Http-request node not working](https://discourse.nodered.org/t/http-request-node-not-working/27828)

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**Author:** [@Vamp](https://discourse.nodered.org/u/Vamp)\
**Replies:** 2\
**Last updated:** [5 June 2020 12:19 UTC](https://discourse.nodered.org/t/http-request-node-not-working/27828 "2020-06-05T12:19:19Z")

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Hello there, I try to use Axxon VMS endpoint API. https://doc.axxonsoft.com/confluence/display/next436en/HTTP+API A simple info with server: curl: vamp@ubuntu:~$ curl http://root:root@localhost:8000/hosts/DEBIAN { …

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## [Multiple context stores problem](https://discourse.nodered.org/t/multiple-context-stores-problem/27825)

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**Author:** [@farcry](https://discourse.nodered.org/u/farcry)\
**Replies:** 1\
**Last updated:** [5 June 2020 11:21 UTC](https://discourse.nodered.org/t/multiple-context-stores-problem/27825 "2020-06-05T11:21:39Z")

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Hello. I'm having problem reading stored value. I have created new store with: contextStorage: { store: { module:"localfilesystem" }, trend\_store: { module:"localfilesystem" }, default: { module:"memory" } }…

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## [Time difference in Nodered](https://discourse.nodered.org/t/time-difference-in-nodered/27819)

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**Author:** [@Lokesh123](https://discourse.nodered.org/u/Lokesh123)\
**Replies:** 1\
**Last updated:** [5 June 2020 09:06 UTC](https://discourse.nodered.org/t/time-difference-in-nodered/27819 "2020-06-05T09:06:12Z")

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hello everyone, I have to find time difference between start and stop of the operation. can anyone help me.

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## [Stuck with node for reading out Google calendar](https://discourse.nodered.org/t/stuck-with-node-for-reading-out-google-calendar/25015)

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**Author:** [@mikew5673](https://discourse.nodered.org/u/mikew5673)\
**Replies:** 2\
**Last updated:** [5 June 2020 08:44 UTC](https://discourse.nodered.org/t/stuck-with-node-for-reading-out-google-calendar/25015 "2020-06-05T08:44:26Z")

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I have created a nice workflow for an interactive family calendar with Neopixels. In 2018 I have used node-red-node-google. After several updates, the authentication with Google does not work any more. When using the ca…

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## [How to insert timestamp from nodered msg.object to postgresql database](https://discourse.nodered.org/t/how-to-insert-timestamp-from-nodered-msg-object-to-postgresql-database/27652)

<div class="topic-metadata">

**Author:** [@maheswaran88](https://discourse.nodered.org/u/maheswaran88)\
**Replies:** 2\
**Last updated:** [5 June 2020 08:56 UTC](https://discourse.nodered.org/t/how-to-insert-timestamp-from-nodered-msg-object-to-postgresql-database/27652 "2020-06-05T08:56:18Z")

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Hi, I have connected nodered to PostgreSQL database using postgrestor. In nodered, I have msg.payload.object with many parameters including timestamp. I can able to insert all other parameter to posgresql except timest…

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