# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1074

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

**Page:** 1075

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## [Adding graph to notification email](https://discourse.nodered.org/t/adding-graph-to-notification-email/27927)

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**Author:** [@Hasan90](https://discourse.nodered.org/u/Hasan90)\
**Replies:** 0\
**Last updated:** [7 June 2020 06:24 UTC](https://discourse.nodered.org/t/adding-graph-to-notification-email/27927 "2020-06-07T06:24:15Z")

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Hello, I'm new to Node-RED and I am trying to send a notification email with an attached graph. Please help me with: Request a graph from a different website (Grafana). Attach the graph to the email. Please check the…

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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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## [Dashboard UI "max try" login](https://discourse.nodered.org/t/dashboard-ui-max-try-login/27349)

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**Author:** [@me6ran](https://discourse.nodered.org/u/me6ran)\
**Replies:** 6\
**Last updated:** [6 June 2020 21:02 UTC](https://discourse.nodered.org/t/dashboard-ui-max-try-login/27349 "2020-06-06T21:02:38Z")

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Hi Seems like UI Dashboard does not have a "max try" option for its login,. I have been trying to find a way to limit the login try on my UI Dashboard, but no success. for example if I navigate to my UI address http://…

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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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## [Read data memory node-omron-read](https://discourse.nodered.org/t/read-data-memory-node-omron-read/19572)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 13\
**Last updated:** [6 June 2020 18:12 UTC](https://discourse.nodered.org/t/read-data-memory-node-omron-read/19572 "2020-06-06T18:12:53Z")

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is there more documentation on how to put address on node-omron-read like CIO Memory,... How should I set an internal boolean variable (I/O Channel) address on FINS read node?

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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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## [Technique for posting flows](https://discourse.nodered.org/t/technique-for-posting-flows/27891)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 0\
**Last updated:** [6 June 2020 12:33 UTC](https://discourse.nodered.org/t/technique-for-posting-flows/27891 "2020-06-06T12:33:36Z")

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There have been two posts in the last couple days where the technique suggested for sharing flows (How to share code or flow json) has not worked correctly. The instructions say to select the text then click the Pre- f…

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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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## [Typed input field, data type number: empty](https://discourse.nodered.org/t/typed-input-field-data-type-number-empty/27895)

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**Author:** [@hklages](https://discourse.nodered.org/u/hklages)\
**Replies:** 0\
**Last updated:** [6 June 2020 13:55 UTC](https://discourse.nodered.org/t/typed-input-field-data-type-number-empty/27895 "2020-06-06T13:55:49Z")

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In an inject node (and any other node with typed input) I am able to select "number" as type and leave the field blank. I would expect that this is not valid but instead the node is saved. Why (saved, no error)? Wouldn…

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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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## [Writing on PLC S7 node works only 25% of the times](https://discourse.nodered.org/t/writing-on-plc-s7-node-works-only-25-of-the-times/27729)

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**Author:** [@Fdelahoya](https://discourse.nodered.org/u/Fdelahoya)\
**Replies:** 22\
**Last updated:** [6 June 2020 12:35 UTC](https://discourse.nodered.org/t/writing-on-plc-s7-node-works-only-25-of-the-times/27729 "2020-06-06T12:35:50Z")

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Hello every one! After digging about PLC conection, could find this "strange" problem here or in google. Thank you for taking the time to read! I created a simple flow to control a PLC digital input (I0.0). I use "in…

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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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## [Validate an editableList](https://discourse.nodered.org/t/validate-an-editablelist/27864)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 0\
**Last updated:** [5 June 2020 21:56 UTC](https://discourse.nodered.org/t/validate-an-editablelist/27864 "2020-06-05T21:56:37Z")

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Hi folks, There was already another discussion about something similar ( "validation for editablelist ") by our friend @hotnipi, but since it is locked I will start a new discussion here. @JGKK and I want to validate t…

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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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## [Msg ui property Y axis scale](https://discourse.nodered.org/t/msg-ui-property-y-axis-scale/9634)

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**Author:** [@accca](https://discourse.nodered.org/u/accca)\
**Replies:** 10\
**Last updated:** [5 June 2020 15:54 UTC](https://discourse.nodered.org/t/msg-ui-property-y-axis-scale/9634 "2020-06-05T15:54:47Z")

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It is possible to decide the scale of Y-axis in a chart, e.g. line chart? Maybe sending some msg.ui\_property messages? Thanks

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## [Support destructuring expression for context properties](https://discourse.nodered.org/t/support-destructuring-expression-for-context-properties/27831)

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**Author:** [@ristomatti](https://discourse.nodered.org/u/ristomatti)\
**Replies:** 7\
**Last updated:** [5 June 2020 15:22 UTC](https://discourse.nodered.org/t/support-destructuring-expression-for-context-properties/27831 "2020-06-05T15:22:35Z")

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Currently if I need several properties from the context store, each has to be read using a separate global.get('foo') call. It would clean up buch of my function nodes if it was possible to read all properties at once. T…

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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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