# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=882

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**Page:** 883

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## [\[SOLVED\] Which is the best practice for sending a file to a custom node form?](https://discourse.nodered.org/t/solved-which-is-the-best-practice-for-sending-a-file-to-a-custom-node-form/11508)

<div class="topic-metadata">

**Author:** [@gbove731](https://discourse.nodered.org/u/gbove731)\
**Replies:** 0\
**Last updated:** [24 May 2019 15:17 UTC](https://discourse.nodered.org/t/solved-which-is-the-best-practice-for-sending-a-file-to-a-custom-node-form/11508 "2019-05-24T15:17:17Z")

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Which is the best practice for sending a file to a custom node form? In my custom node I would like to allow to send a file to a custom end point (made via RED.admin.post) who parse the file and output a json to the cal…

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## [Installing Node-RED on VMware Error](https://discourse.nodered.org/t/installing-node-red-on-vmware-error/11586)

<div class="topic-metadata">

**Author:** [@S.M](https://discourse.nodered.org/u/S.M)\
**Replies:** 2\
**Last updated:** [27 May 2019 08:56 UTC](https://discourse.nodered.org/t/installing-node-red-on-vmware-error/11586 "2019-05-27T08:56:01Z")

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Hello everyone. I am entirely new to Node-RED and anything similar. I have been given a project work at university which includes having to install Node-RED on a virtual machine. The PCs at my uni have VMware installed …

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## [Google map question](https://discourse.nodered.org/t/google-map-question/11580)

<div class="topic-metadata">

**Author:** [@Hearnorna](https://discourse.nodered.org/u/Hearnorna)\
**Replies:** 3\
**Last updated:** [27 May 2019 07:41 UTC](https://discourse.nodered.org/t/google-map-question/11580 "2019-05-27T07:41:10Z")

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Does anyone know that instead of using google map Api, Node-red can instantly read map information?

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## [Connecting Adafruit to the Mqtt node](https://discourse.nodered.org/t/connecting-adafruit-to-the-mqtt-node/11499)

<div class="topic-metadata">

**Author:** [@aesto](https://discourse.nodered.org/u/aesto)\
**Replies:** 3\
**Last updated:** [27 May 2019 07:29 UTC](https://discourse.nodered.org/t/connecting-adafruit-to-the-mqtt-node/11499 "2019-05-27T07:29:56Z")

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Hello, Recently, I have been trying to connect the mqtt node on Node-Red to adafruit server. Unfortunately, it is failing to connect although it keeps on trying as shown in the screenshot below. I have configured the no…

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## [Switching between two flows.json programatically](https://discourse.nodered.org/t/switching-between-two-flows-json-programatically/11425)

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**Author:** [@sivachaitanya](https://discourse.nodered.org/u/sivachaitanya)\
**Replies:** 15\
**Last updated:** [27 May 2019 07:22 UTC](https://discourse.nodered.org/t/switching-between-two-flows-json-programatically/11425 "2019-05-27T07:22:51Z")

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I have two .json flow files, flowA.json and flowB.json. At the front-end when certain drop down selection has happened I would like to load node-red editor with flowA.json / flowB. json, what would be the best approach t…

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## [This is a question about the Raspberry Pi](https://discourse.nodered.org/t/this-is-a-question-about-the-raspberry-pi/11522)

<div class="topic-metadata">

**Author:** [@Hearnorna](https://discourse.nodered.org/u/Hearnorna)\
**Replies:** 6\
**Last updated:** [27 May 2019 07:06 UTC](https://discourse.nodered.org/t/this-is-a-question-about-the-raspberry-pi/11522 "2019-05-27T07:06:48Z")

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I know that Win10 installs python above rpm install -g node-red-contrib-python-function But I don't know if it is the same kit on the Raspberry Pi I have tried installing this kit on the Raspberry Pi but the answer gi…

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## [Nest Thermostat - how to split two objects](https://discourse.nodered.org/t/nest-thermostat-how-to-split-two-objects/11553)

<div class="topic-metadata">

**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 4\
**Last updated:** [26 May 2019 23:29 UTC](https://discourse.nodered.org/t/nest-thermostat-how-to-split-two-objects/11553 "2019-05-26T23:29:03Z")

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Hi I have two Nest Thermostat (Hallway and Conservatory) which are both reported back together via the Nest node, and while I can split them into two payload messages (sent one after the other), I can’t seem to then sw…

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## [Node Red Incident - edited RBE](https://discourse.nodered.org/t/node-red-incident-edited-rbe/11227)

<div class="topic-metadata">

**Author:** [@mambui](https://discourse.nodered.org/u/mambui)\
**Replies:** 14\
**Last updated:** [21 May 2019 23:06 UTC](https://discourse.nodered.org/t/node-red-incident-edited-rbe/11227 "2019-05-21T23:06:56Z")

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Hi all, These last weeks, I have received almost every week a Node Red email mentionning "unplanned incident - sevirity 1: IMS provisioning workflows are not functiong at this time". My question is: how do I know if m…

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## [Influxdb Query - Confusion](https://discourse.nodered.org/t/influxdb-query-confusion/11520)

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**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 15\
**Last updated:** [25 May 2019 21:42 UTC](https://discourse.nodered.org/t/influxdb-query-confusion/11520 "2019-05-25T21:42:58Z")

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Hi I’m writing Energy readings to an influxdb datasource and i’d like to do check/search/lookup for some values that will have been posted, but I can’t seem to get other query commands to work. FYI - The server config …

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## [Use one switch to control multiple lights](https://discourse.nodered.org/t/use-one-switch-to-control-multiple-lights/5913)

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**Author:** [@moita](https://discourse.nodered.org/u/moita)\
**Replies:** 8\
**Last updated:** [25 May 2019 19:04 UTC](https://discourse.nodered.org/t/use-one-switch-to-control-multiple-lights/5913 "2019-05-25T19:04:31Z")

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Hi, i have home assistant with nodered and some sonoff basic flashed with tasmota, i use GPIO pins to control the relays but by switchtopic (mqtt, not directly) and i want to create a flow based in how many times i turn …

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## [Configuring mqtt with adafruit](https://discourse.nodered.org/t/configuring-mqtt-with-adafruit/11470)

<div class="topic-metadata">

**Author:** [@aesto](https://discourse.nodered.org/u/aesto)\
**Replies:** 2\
**Last updated:** [25 May 2019 18:53 UTC](https://discourse.nodered.org/t/configuring-mqtt-with-adafruit/11470 "2019-05-25T18:53:56Z")

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Hello, I am facing a problem connecting my node red mqtt to the adafruit. I have configured everything according to this link however it fails to properly connect. The connection icon persists on connecting but doesn't …

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## [IOT2000-Node Red MSSQL ConnectionError](https://discourse.nodered.org/t/iot2000-node-red-mssql-connectionerror/11506)

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**Author:** [@BartosIstvan](https://discourse.nodered.org/u/BartosIstvan)\
**Replies:** 1\
**Last updated:** [25 May 2019 18:12 UTC](https://discourse.nodered.org/t/iot2000-node-red-mssql-connectionerror/11506 "2019-05-25T18:12:57Z")

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Hello! I have connected my pc via shh to my IOT2000 on wich is running the Node-Red. I want to make a db connection on Node-Red to my database wich is on my Pc. I'm using node-red-contrib-mssql-plus. In the microsoft sq…

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## [How to control the devices that exist only in Google HOME?](https://discourse.nodered.org/t/how-to-control-the-devices-that-exist-only-in-google-home/11539)

<div class="topic-metadata">

**Author:** [@LucasSaraivaAzevedo](https://discourse.nodered.org/u/LucasSaraivaAzevedo)\
**Replies:** 0\
**Last updated:** [25 May 2019 14:52 UTC](https://discourse.nodered.org/t/how-to-control-the-devices-that-exist-only-in-google-home/11539 "2019-05-25T14:52:43Z")

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Hy guys. Is it possible to control devices that are only on google home ? for example i have a vacuum robot but only work with google home and i would like to control on node red .... I have an google home at home if it …

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## [TTN uplink to email and Pushover](https://discourse.nodered.org/t/ttn-uplink-to-email-and-pushover/11502)

<div class="topic-metadata">

**Author:** [@HaVi](https://discourse.nodered.org/u/HaVi)\
**Replies:** 3\
**Last updated:** [25 May 2019 14:14 UTC](https://discourse.nodered.org/t/ttn-uplink-to-email-and-pushover/11502 "2019-05-25T14:14:01Z")

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Almost sure I am doing something wrong, as a NodeRED beginner I therefore would ask for some help. The flow below receives the payload from TTN which is shown in the debug frame. It’s my intention to send the value (36) …

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## [Is it possible to use Let's encrypt and duckdns without home assistant?](https://discourse.nodered.org/t/is-it-possible-to-use-lets-encrypt-and-duckdns-without-home-assistant/11526)

<div class="topic-metadata">

**Author:** [@LucasSaraivaAzevedo](https://discourse.nodered.org/u/LucasSaraivaAzevedo)\
**Replies:** 3\
**Last updated:** [25 May 2019 12:12 UTC](https://discourse.nodered.org/t/is-it-possible-to-use-lets-encrypt-and-duckdns-without-home-assistant/11526 "2019-05-25T12:12:19Z")

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Is this possible ? There is a node or something that node red can do that will generate https and update duckdns?

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## [Subflow context (flow)](https://discourse.nodered.org/t/subflow-context-flow/11534)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [25 May 2019 11:44 UTC](https://discourse.nodered.org/t/subflow-context-flow/11534 "2019-05-25T11:44:48Z")

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From what I have found a sub-flow can't see flow.set("variables") I would just like to confirm this as I am having a lot of fun chasing a problem now I am using sub-flows. Thanks in advance.

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## [Messages looping from MySQL to MQTT](https://discourse.nodered.org/t/messages-looping-from-mysql-to-mqtt/11517)

<div class="topic-metadata">

**Author:** [@loadingaz](https://discourse.nodered.org/u/loadingaz)\
**Replies:** 4\
**Last updated:** [25 May 2019 11:19 UTC](https://discourse.nodered.org/t/messages-looping-from-mysql-to-mqtt/11517 "2019-05-25T11:19:36Z")

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Hello, I'm using MIT app inventor to publish data to MySQL database and from MySQL database to my MQTT broker. Everything is working fine but as soon as I send data from my phone, this data loops every second and never …

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## [Serial port not working\_Proxmox - Node-red](https://discourse.nodered.org/t/serial-port-not-working-proxmox-node-red/11439)

<div class="topic-metadata">

**Author:** [@Duncan](https://discourse.nodered.org/u/Duncan)\
**Replies:** 18\
**Last updated:** [24 May 2019 20:56 UTC](https://discourse.nodered.org/t/serial-port-not-working-proxmox-node-red/11439 "2019-05-24T20:56:45Z")

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I am running into problems with a USB-serial port. I get the following error while starting node-red. 22 May 20:31:54 - \[error\] serial port /dev/ttyUSB0 error: Error: Error: No such file or directory, cannot open /dev/t…

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## [Design: Runtime Editor Split](https://discourse.nodered.org/t/design-runtime-editor-split/7219)

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**Author:** [@citkane](https://discourse.nodered.org/u/citkane)\
**Replies:** 3\
**Last updated:** [24 May 2019 14:59 UTC](https://discourse.nodered.org/t/design-runtime-editor-split/7219 "2019-05-24T14:59:09Z")

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There is a Design Note being actively worked on. My interest is in using it as a Repurposed Editor, but I need a bit of help in finding the code starting hooks. I have done: npm install @node-red/editor-client Which…

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## [Does node red supports the following protocols](https://discourse.nodered.org/t/does-node-red-supports-the-following-protocols/11410)

<div class="topic-metadata">

**Author:** [@gururajbharadwaj](https://discourse.nodered.org/u/gururajbharadwaj)\
**Replies:** 4\
**Last updated:** [24 May 2019 10:54 UTC](https://discourse.nodered.org/t/does-node-red-supports-the-following-protocols/11410 "2019-05-24T10:54:03Z")

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hi Guys, i need to know that the node red supports 1)dhcp and 2)PLC ???

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## [Se cuelga node red](https://discourse.nodered.org/t/se-cuelga-node-red/11474)

<div class="topic-metadata">

**Author:** [@Alonzo](https://discourse.nodered.org/u/Alonzo)\
**Replies:** 1\
**Last updated:** [24 May 2019 10:13 UTC](https://discourse.nodered.org/t/se-cuelga-node-red/11474 "2019-05-24T10:13:24Z")

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Porque node red se detiene, en las entradas se está colocando variables del plc-300, pero solo lee como 7 variables (corriente,nivel,presión) y si agregas mas variables se cuelga el node red

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## [Nora Google Home Integration - Thermostat operation](https://discourse.nodered.org/t/nora-google-home-integration-thermostat-operation/11492)

<div class="topic-metadata">

**Author:** [@pigsy](https://discourse.nodered.org/u/pigsy)\
**Replies:** 1\
**Last updated:** [24 May 2019 09:44 UTC](https://discourse.nodered.org/t/nora-google-home-integration-thermostat-operation/11492 "2019-05-24T09:44:08Z")

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I'm getting an unexpected payload output when asking Google to turn ON the Thermostat node, or in my case an air conditioner. Instead of the payload.mode showing as "on" it's shows as "cool". I think it must be an erro…

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## [Node Red on hassio won’t start](https://discourse.nodered.org/t/node-red-on-hassio-won-t-start/11491)

<div class="topic-metadata">

**Author:** [@fillilutten](https://discourse.nodered.org/u/fillilutten)\
**Replies:** 1\
**Last updated:** [24 May 2019 06:03 UTC](https://discourse.nodered.org/t/node-red-on-hassio-won-t-start/11491 "2019-05-24T06:03:35Z")

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I’ running node red 3.1.1 (latest) addon on an rpi Hassio. Yesterday when I deployed the loading icon just looped. Then I tried closing the addon and login again and now I’m stuck on that loading loop when trying to acce…

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## [Cloning Node-Red installation](https://discourse.nodered.org/t/cloning-node-red-installation/11465)

<div class="topic-metadata">

**Author:** [@Poodlepapa](https://discourse.nodered.org/u/Poodlepapa)\
**Replies:** 6\
**Last updated:** [23 May 2019 20:43 UTC](https://discourse.nodered.org/t/cloning-node-red-installation/11465 "2019-05-23T20:43:13Z")

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I have several RPI's doing different stuff around my house. I am currently building 3 separate devices to monitor my garden and I'd like for all three to be identical. I've saved the flow by exporting to clipboard and …

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## [Data from mySQL to Chart](https://discourse.nodered.org/t/data-from-mysql-to-chart/11437)

<div class="topic-metadata">

**Author:** [@hunterhb](https://discourse.nodered.org/u/hunterhb)\
**Replies:** 8\
**Last updated:** [23 May 2019 20:28 UTC](https://discourse.nodered.org/t/data-from-mysql-to-chart/11437 "2019-05-23T20:28:29Z")

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Hello, I'm trying to visualize sql-Data in a Chart node. I got Data from Database as follow: 22.5.2019, 21:16:19node: b3d00608.8d4658SELECT Datum, T1, T2, T3, T4 FROM tb\_Pool WHERE DATE(Datum) \>= '2019-04-30' AND DATE…

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## [Fatal error - memory issue but there is enough memory](https://discourse.nodered.org/t/fatal-error-memory-issue-but-there-is-enough-memory/11446)

<div class="topic-metadata">

**Author:** [@johanmeer](https://discourse.nodered.org/u/johanmeer)\
**Replies:** 4\
**Last updated:** [23 May 2019 18:58 UTC](https://discourse.nodered.org/t/fatal-error-memory-issue-but-there-is-enough-memory/11446 "2019-05-23T18:58:11Z")

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Hi, can anyone help me discover the reason of fatal-error on this part of the log: And is there a way to automatically start node-red after a fatal-error? we use this as a school project for monitoring several spaces an…

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## [Intermittent failure when pushing with Projects feature](https://discourse.nodered.org/t/intermittent-failure-when-pushing-with-projects-feature/7596)

<div class="topic-metadata">

**Author:** [@barryno](https://discourse.nodered.org/u/barryno)\
**Replies:** 0\
**Last updated:** [4 February 2019 23:31 UTC](https://discourse.nodered.org/t/intermittent-failure-when-pushing-with-projects-feature/7596 "2019-02-04T23:31:47Z")

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I'm having an intermittent problem with the projects feature when attempting to push to my remote repo. Clicking the Push button results in the dialog going away briefly and returning with nothing actually being pushed. …

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## [Connect Node-red to ERP](https://discourse.nodered.org/t/connect-node-red-to-erp/11460)

<div class="topic-metadata">

**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 7\
**Last updated:** [23 May 2019 18:51 UTC](https://discourse.nodered.org/t/connect-node-red-to-erp/11460 "2019-05-23T18:51:24Z")

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Hi every one. Is it possible to make interaction between NR and one of ERP softwares ?

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## [Does integration with HA offer anything extra?](https://discourse.nodered.org/t/does-integration-with-ha-offer-anything-extra/11409)

<div class="topic-metadata">

**Author:** [@rsenden](https://discourse.nodered.org/u/rsenden)\
**Replies:** 5\
**Last updated:** [23 May 2019 18:41 UTC](https://discourse.nodered.org/t/does-integration-with-ha-offer-anything-extra/11409 "2019-05-23T18:41:23Z")

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I'm quite new to home automation so I've been trying out various platforms; at the moment it seems like Node-RED best suits my needs. For example, based on node-red-contrib-rfxcom and node-red-contrib-telegrambot, it onl…

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## [Node-red-node-pi-neopixel Strange strand behavior](https://discourse.nodered.org/t/node-red-node-pi-neopixel-strange-strand-behavior/11436)

<div class="topic-metadata">

**Author:** [@Poodlepapa](https://discourse.nodered.org/u/Poodlepapa)\
**Replies:** 2\
**Last updated:** [23 May 2019 15:34 UTC](https://discourse.nodered.org/t/node-red-node-pi-neopixel-strange-strand-behavior/11436 "2019-05-23T15:34:07Z")

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I posted this in an older topic and there was no response, I wanted to post again as a new topic incase it was missed. I will remove if this is breaking the rules. Hello all I have been using this tutorial - https://…

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