# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=729

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

**Page:** 730

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## [I am looking to send Node-Red an Email to turn something on](https://discourse.nodered.org/t/i-am-looking-to-send-node-red-an-email-to-turn-something-on/28658)

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**Author:** [@RGebel](https://discourse.nodered.org/u/RGebel)\
**Replies:** 19\
**Last updated:** [22 June 2020 14:57 UTC](https://discourse.nodered.org/t/i-am-looking-to-send-node-red-an-email-to-turn-something-on/28658 "2020-06-22T14:57:09Z")

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How can i separate out the fields of an Email msg? Re: Message from Node-RED : msg : Object object payload: "Test↵" topic: "Re: Message from Node-RED" date: "2020-06-20T10:58:44.000Z" header: object from: "XXXXX" …

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## [Send updated images](https://discourse.nodered.org/t/send-updated-images/28228)

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**Author:** [@budiman098](https://discourse.nodered.org/u/budiman098)\
**Replies:** 16\
**Last updated:** [22 June 2020 14:40 UTC](https://discourse.nodered.org/t/send-updated-images/28228 "2020-06-22T14:40:45Z")

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hallo master, can someone help me about my problem? I want to make a system simulation on node-red. I want to send some image data from my file. the image in the file is the image produced by my camera and saved directl…

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## [Best Homekit Dashboard for iOS](https://discourse.nodered.org/t/best-homekit-dashboard-for-ios/28731)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 0\
**Last updated:** [22 June 2020 14:22 UTC](https://discourse.nodered.org/t/best-homekit-dashboard-for-ios/28731 "2020-06-22T14:22:08Z")

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Hi mates, there are dozens of apps based on Homekit wich actually improve the usage and style, can you please share here your experience? I'm going to test them soon, thank you For now I discovered: The Eve app HomeSe…

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## [How to join two payloads, when one is intermittent?](https://discourse.nodered.org/t/how-to-join-two-payloads-when-one-is-intermittent/11894)

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**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 22\
**Last updated:** [12 June 2019 23:19 UTC](https://discourse.nodered.org/t/how-to-join-two-payloads-when-one-is-intermittent/11894 "2019-06-12T23:19:30Z")

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Hi I am trying to build a flow that can handle the output of two separate payloads from an alarm system, where one (payload A) tells me the name of the room/sensor and the other (payload B) tells me if that sensor is op…

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## [Who was thinking of making a WS28xx (NeoPixel etc) LED emulator node?](https://discourse.nodered.org/t/who-was-thinking-of-making-a-ws28xx-neopixel-etc-led-emulator-node/28726)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [22 June 2020 12:01 UTC](https://discourse.nodered.org/t/who-was-thinking-of-making-a-ws28xx-neopixel-etc-led-emulator-node/28726 "2020-06-22T12:01:08Z")

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A fair while ago it was brought up in discussion about making a NeoPixel LED emulator node, and it was asked "What would you want?" It hasn't been top of my priority but I just thought of some tricks that could be used …

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## [Monitor node-red performance with Prometheus](https://discourse.nodered.org/t/monitor-node-red-performance-with-prometheus/28715)

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**Author:** [@gauravdasgupta](https://discourse.nodered.org/u/gauravdasgupta)\
**Replies:** 3\
**Last updated:** [22 June 2020 10:30 UTC](https://discourse.nodered.org/t/monitor-node-red-performance-with-prometheus/28715 "2020-06-22T10:30:18Z")

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Hi here, this is the very first time I am asking a question here! I have node-red running on top of a Kubernetes cluster, I want to perform stress/load testing for my node-red, I want to monitor the metrics like CPU usa…

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## [Working with the GitLab API](https://discourse.nodered.org/t/working-with-the-gitlab-api/28720)

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**Author:** [@Herrner](https://discourse.nodered.org/u/Herrner)\
**Replies:** 0\
**Last updated:** [22 June 2020 10:17 UTC](https://discourse.nodered.org/t/working-with-the-gitlab-api/28720 "2020-06-22T10:17:50Z")

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I'm unable to read or write files to a private GitLab repository via the API. I can successfully do both using curl in the terminal, but not through the http request module or the GitLab GetRepositoryFile or CreateReposi…

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## [Anyone running Node-red inside Firebase cloud functions?](https://discourse.nodered.org/t/anyone-running-node-red-inside-firebase-cloud-functions/28717)

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**Author:** [@bogorad](https://discourse.nodered.org/u/bogorad)\
**Replies:** 0\
**Last updated:** [22 June 2020 09:56 UTC](https://discourse.nodered.org/t/anyone-running-node-red-inside-firebase-cloud-functions/28717 "2020-06-22T09:56:49Z")

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Would make a perfect prototyping tool for mobile apps - run inside firebase, use firebase services. No additional hosting required. I wonder if it's even possible. And if it is, what are the downsides?

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## [Manual install module with no nodes (before worked)](https://discourse.nodered.org/t/manual-install-module-with-no-nodes-before-worked/27682)

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**Author:** [@Joris6](https://discourse.nodered.org/u/Joris6)\
**Replies:** 3\
**Last updated:** [22 June 2020 08:13 UTC](https://discourse.nodered.org/t/manual-install-module-with-no-nodes-before-worked/27682 "2020-06-22T08:13:35Z")

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Hi, Last night I reinstalled my Pi from scretch and I manually alter the node for Bluetooth from node-red-contrib-ignoble to point to noble from abandonware . This allways worked and I have done this several times, at l…

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## [Problem reading csv file with quotes](https://discourse.nodered.org/t/problem-reading-csv-file-with-quotes/28709)

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**Author:** [@mikeh](https://discourse.nodered.org/u/mikeh)\
**Replies:** 5\
**Last updated:** [22 June 2020 08:09 UTC](https://discourse.nodered.org/t/problem-reading-csv-file-with-quotes/28709 "2020-06-22T08:09:26Z")

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My CSV file contains these kind of information in one column "FS Peru, IL" Somehow the csv node is not reading it properly. How can I fix this please so the csv node will also read quotes as one column and not 2?

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## [Java Function Node issue](https://discourse.nodered.org/t/java-function-node-issue/28624)

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**Author:** [@fatmamasmoudi](https://discourse.nodered.org/u/fatmamasmoudi)\
**Replies:** 3\
**Last updated:** [22 June 2020 06:10 UTC](https://discourse.nodered.org/t/java-function-node-issue/28624 "2020-06-22T06:10:42Z")

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Hello I tried to use the javafunction node by following the example in Node-red website node-red-contrib-java-function (node) - Node-RED But I've got this message in the debug window \*\* Could you help me ? TypeErro…

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## [Dashboard as website logout](https://discourse.nodered.org/t/dashboard-as-website-logout/14843)

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**Author:** [@manal](https://discourse.nodered.org/u/manal)\
**Replies:** 3\
**Last updated:** [22 June 2020 02:36 UTC](https://discourse.nodered.org/t/dashboard-as-website-logout/14843 "2020-06-22T02:36:47Z")

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I use dashboard as website using Apache and proxy, it is secured using username and password, and I can access it using login page, however I cannot do logout. Is there any way to do that, please?

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## [UI\_Control node question](https://discourse.nodered.org/t/ui-control-node-question/28671)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 10\
**Last updated:** [22 June 2020 02:20 UTC](https://discourse.nodered.org/t/ui-control-node-question/28671 "2020-06-22T02:20:00Z")

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I have a list of buttons on my dashboard, and after selecting one, I want to reset my page back to the top. It looks like UI\_Control Node is what I want, but no matter what I put into the mag.payload, nothing happens M…

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## [Multiple Node-red instances in IBM cloud for redundancy not working for me](https://discourse.nodered.org/t/multiple-node-red-instances-in-ibm-cloud-for-redundancy-not-working-for-me/28597)

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**Author:** [@etawyy](https://discourse.nodered.org/u/etawyy)\
**Replies:** 5\
**Last updated:** [21 June 2020 21:22 UTC](https://discourse.nodered.org/t/multiple-node-red-instances-in-ibm-cloud-for-redundancy-not-working-for-me/28597 "2020-06-21T21:22:56Z")

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Hi, I have one node-red app running perfectly in IBM cloud, and I wanted to make it redundant by adding another instance. I allready know that this would break the flow editor, but this is fine: it is a production app, …

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## [Why debug node can only show 'msg' message?](https://discourse.nodered.org/t/why-debug-node-can-only-show-msg-message/28613)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 26\
**Last updated:** [21 June 2020 21:22 UTC](https://discourse.nodered.org/t/why-debug-node-can-only-show-msg-message/28613 "2020-06-21T21:22:52Z")

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Why debug nodes can only show 'msg' messages? This seems very restrictive and limited. Why can't global or flow context variables be displayed by a debug node? Or is there a way to do it?

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## [Error while connecting to Influx DB](https://discourse.nodered.org/t/error-while-connecting-to-influx-db/27376)

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**Author:** [@vraghu1983](https://discourse.nodered.org/u/vraghu1983)\
**Replies:** 10\
**Last updated:** [21 June 2020 18:12 UTC](https://discourse.nodered.org/t/error-while-connecting-to-influx-db/27376 "2020-06-21T18:12:19Z")

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Hi - I am using node-red version 12.16.2 and Influx DB version 1.8.0. Trying a sample flow as attached - and get this error. \[{"id":"3cac3d42.79d3c2","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"e74…

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## [Get graph function](https://discourse.nodered.org/t/get-graph-function/28237)

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**Author:** [@calania](https://discourse.nodered.org/u/calania)\
**Replies:** 18\
**Last updated:** [21 June 2020 09:56 UTC](https://discourse.nodered.org/t/get-graph-function/28237 "2020-06-21T09:56:35Z")

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Hello, I have been working on a project where I have a meat thermometer hooked up to Node-Red with a nice dashboard etc. One thing I would want to do (because why not) is for me to be able to set the desired temperature …

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## [Just checking what happens when you export flows](https://discourse.nodered.org/t/just-checking-what-happens-when-you-export-flows/28676)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [21 June 2020 08:55 UTC](https://discourse.nodered.org/t/just-checking-what-happens-when-you-export-flows/28676 "2020-06-21T08:55:20Z")

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I want to check I am not wrong about a theory of what happens when you export a flow. Exporting a flow is easy enough. But what happens if there is a sub-flow in the equation? My take of a sub-flow is that it optimis…

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## [Two dimensional RBE?](https://discourse.nodered.org/t/two-dimensional-rbe/28667)

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**Author:** [@m\_elias](https://discourse.nodered.org/u/m_elias)\
**Replies:** 1\
**Last updated:** [20 June 2020 19:46 UTC](https://discourse.nodered.org/t/two-dimensional-rbe/28667 "2020-06-20T19:46:30Z")

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Currently I have a mqtt in node connected to a function node and then to a telegram out node. The mqtt in node is sub'd to farm/fans/+/state/run. The function node extracts the device name from the topic (in the wildcard…

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## [Sum array values](https://discourse.nodered.org/t/sum-array-values/28664)

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**Author:** [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Replies:** 2\
**Last updated:** [20 June 2020 20:47 UTC](https://discourse.nodered.org/t/sum-array-values/28664 "2020-06-20T20:47:05Z")

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I have an array that looks like: 0: object time: "2020-06-18T23:00:00.000Z" consumption\_value\_inc\_vat: 0.498036 1: object time: "2020-06-18T23:30:00.000Z" consumption\_value\_inc\_vat: 0.4657905 .................... How c…

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## [Displaying temperature sensor from secondary raspberry](https://discourse.nodered.org/t/displaying-temperature-sensor-from-secondary-raspberry/6521)

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**Author:** [@ole88](https://discourse.nodered.org/u/ole88)\
**Replies:** 8\
**Last updated:** [20 June 2020 20:43 UTC](https://discourse.nodered.org/t/displaying-temperature-sensor-from-secondary-raspberry/6521 "2020-06-20T20:43:15Z")

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I have two raspberry pi with node-red running. Both have temperature sensors (DS18B20). Both are on the same local network and no password requirements. (They also run Cayenne, if thats relevant). How can I easiest disp…

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## [Mi Home App /developer mode](https://discourse.nodered.org/t/mi-home-app-developer-mode/3740)

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**Author:** [@mpxd](https://discourse.nodered.org/u/mpxd)\
**Replies:** 20\
**Last updated:** [20 June 2020 19:26 UTC](https://discourse.nodered.org/t/mi-home-app-developer-mode/3740 "2020-06-20T19:26:50Z")

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Hi, This is only indirectly related to Node-RED. But is anyone here using Xiaomi Mijia Smart Home devices? I just bought the Mi Control Hub and cannot set it up to the developer mode necessary to connect it to Node-RED. …

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## [Alexa voice output when light switch is pressed](https://discourse.nodered.org/t/alexa-voice-output-when-light-switch-is-pressed/28656)

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**Author:** [@matze85](https://discourse.nodered.org/u/matze85)\
**Replies:** 6\
**Last updated:** [20 June 2020 13:43 UTC](https://discourse.nodered.org/t/alexa-voice-output-when-light-switch-is-pressed/28656 "2020-06-20T13:43:40Z")

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Please excuse my bad english :wink: for example, i would like to switch my light switch in the kitchen and alexa should give me a voice output, for example the kitchen is now on I use i o broker and node red 1.06 node…

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## [Android TV components](https://discourse.nodered.org/t/android-tv-components/28661)

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**Author:** [@dnoha](https://discourse.nodered.org/u/dnoha)\
**Replies:** 2\
**Last updated:** [20 June 2020 12:57 UTC](https://discourse.nodered.org/t/android-tv-components/28661 "2020-06-20T12:57:34Z")

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Is there components/library for controlling android TV (general, not specific model) ? I want to control Philips android TV, but in install palette tab I can see only Bravia, LG, and some other brands (probably specific…

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## [Passing 2 values to python script using exec node](https://discourse.nodered.org/t/passing-2-values-to-python-script-using-exec-node/28652)

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**Author:** [@xiao1201](https://discourse.nodered.org/u/xiao1201)\
**Replies:** 12\
**Last updated:** [20 June 2020 12:36 UTC](https://discourse.nodered.org/t/passing-2-values-to-python-script-using-exec-node/28652 "2020-06-20T12:36:00Z")

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Hello I have a simple questions pls, I've got a python script which is simply doing addition: #!/usr/bin/python3 import sys def ad(a, b): print(a+b) return a+b ad(int(sys.argv\[1\]), int(sys.argv\[2\])) so in node-re…

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## [Need someone to look at a bit of a flow for boot detection](https://discourse.nodered.org/t/need-someone-to-look-at-a-bit-of-a-flow-for-boot-detection/28657)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [20 June 2020 11:24 UTC](https://discourse.nodered.org/t/need-someone-to-look-at-a-bit-of-a-flow-for-boot-detection/28657 "2020-06-20T11:24:53Z")

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There are two parts to the flow..... (Well, a lot more but I shall keep it as simple as possible.) There are foreign nodes - sorry - but they don't do that much important. The idea: Normally every n seconds a pulse h…

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## [Trying to get the following data into a ui\_table node?](https://discourse.nodered.org/t/trying-to-get-the-following-data-into-a-ui-table-node/28647)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 2\
**Last updated:** [20 June 2020 07:27 UTC](https://discourse.nodered.org/t/trying-to-get-the-following-data-into-a-ui-table-node/28647 "2020-06-20T07:27:25Z")

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Trying to get the following data into a ui\_table node? "{"temperature\_C":28.32,"humidity":27.582653862395023,"pressure\_hPa":1002.5767212626166,"model":"BME280","heatIndex":27.222709256127676,"dewPoint\_C":7.8493628836996…

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## [Valid bearer token](https://discourse.nodered.org/t/valid-bearer-token/28633)

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**Author:** [@Etienne](https://discourse.nodered.org/u/Etienne)\
**Replies:** 2\
**Last updated:** [20 June 2020 06:21 UTC](https://discourse.nodered.org/t/valid-bearer-token/28633 "2020-06-20T06:21:07Z")

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Good evening. Does anyone perhaps have a sample flow of how to deal with refreshing a bearer token? I am sending payload to database with the http request node, but have a function node with a valid bearer token for aut…

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## [Complex Context Variables](https://discourse.nodered.org/t/complex-context-variables/28631)

<div class="topic-metadata">

**Author:** [@dparm](https://discourse.nodered.org/u/dparm)\
**Replies:** 4\
**Last updated:** [19 June 2020 23:15 UTC](https://discourse.nodered.org/t/complex-context-variables/28631 "2020-06-19T23:15:05Z")

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I've been having issues setting and getting data from a context variable named "Data". The variable in question is a JSON object that looks similar to this: Data: { { "I.Data\[0\]": -51, "I.Data\[1\]": -…

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## [Dragging nodes from the palette and align to grid](https://discourse.nodered.org/t/dragging-nodes-from-the-palette-and-align-to-grid/28637)

<div class="topic-metadata">

**Author:** [@cinhcet](https://discourse.nodered.org/u/cinhcet)\
**Replies:** 4\
**Last updated:** [19 June 2020 20:57 UTC](https://discourse.nodered.org/t/dragging-nodes-from-the-palette-and-align-to-grid/28637 "2020-06-19T20:57:58Z")

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Hi, This is a really minor issue, but something that "annoys" (too hard word) me since the grid feature was introduced (how many years has that been?), is that when dragging a node from the palette it does not snap to t…

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