# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=902

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

**Page:** 903

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## [Node PID enable/disable not working](https://discourse.nodered.org/t/node-pid-enable-disable-not-working/9322)

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**Author:** [@Frank2](https://discourse.nodered.org/u/Frank2)\
**Replies:** 7\
**Last updated:** [23 March 2019 00:31 UTC](https://discourse.nodered.org/t/node-pid-enable-disable-not-working/9322 "2019-03-23T00:31:40Z")

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Hi, I am not getting the PID in disable mode. Am I doing something wrong? \[{"id":"6deef0a.ca0fa1","type":"function","z":"d71f1b7b.004ad8","name":"","func":"msg = {payload:1}\\nmsg.enable = 1;\\nmsg.topic = \\"enable\\"\\n\\n…

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## [Node-red won't start - invalid directory](https://discourse.nodered.org/t/node-red-wont-start-invalid-directory/9260)

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**Author:** [@mladams922](https://discourse.nodered.org/u/mladams922)\
**Replies:** 4\
**Last updated:** [22 March 2019 22:20 UTC](https://discourse.nodered.org/t/node-red-wont-start-invalid-directory/9260 "2019-03-22T22:20:11Z")

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I needed to re-install node-red so I completely removed nodejs, npm, and node-red. I then went through the install process again by first installing nodejs (version 10.x), then using npm to install node-red via the comm…

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## [Import flow via CLI on Node-RED under Docker](https://discourse.nodered.org/t/import-flow-via-cli-on-node-red-under-docker/9329)

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**Author:** [@defremont](https://discourse.nodered.org/u/defremont)\
**Replies:** 3\
**Last updated:** [22 March 2019 19:23 UTC](https://discourse.nodered.org/t/import-flow-via-cli-on-node-red-under-docker/9329 "2019-03-22T19:23:26Z")

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I have a Node-RED server that i need to be under docker following this docs:https://nodered.org/docs/platforms/docker#customising But after running: docker run -it -p 1880:1880 --name mynodered nodered/node-red-docker …

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## [Hall effect sensor on pi](https://discourse.nodered.org/t/hall-effect-sensor-on-pi/1242)

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**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 7\
**Last updated:** [22 March 2019 17:20 UTC](https://discourse.nodered.org/t/hall-effect-sensor-on-pi/1242 "2019-03-22T17:20:09Z")

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I have a hall effect sensor for magnetic field. This runs on an adruino but is it possible to connect it to a pi without the use of an arduino?

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## [Why doesn't my i18n work?](https://discourse.nodered.org/t/why-doesnt-my-i18n-work/9183)

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**Author:** [@kurvenschubser](https://discourse.nodered.org/u/kurvenschubser)\
**Replies:** 1\
**Last updated:** [22 March 2019 15:35 UTC](https://discourse.nodered.org/t/why-doesnt-my-i18n-work/9183 "2019-03-22T15:35:44Z")

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My custom package has this directory structure: \[root\] package.json ninox ninox.html ninox.js locales en-US ninox.json In package.json, this: ... "node-red": { "nodes": { "ninox": "ninox/nin…

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## [Error message: unexpected identifier](https://discourse.nodered.org/t/error-message-unexpected-identifier/9303)

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**Author:** [@yfierens](https://discourse.nodered.org/u/yfierens)\
**Replies:** 4\
**Last updated:** [22 March 2019 13:18 UTC](https://discourse.nodered.org/t/error-message-unexpected-identifier/9303 "2019-03-22T13:18:56Z")

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I'm trying to creatie a custom node, based on the tutorial from the Node-RED website. When loading the flow, I get an error message 'unexpected identifier'. Based on the fact that the edit form is not shown correctly, I …

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## [\[Solved\] Is there a way to resize to full page the node edit form?](https://discourse.nodered.org/t/solved-is-there-a-way-to-resize-to-full-page-the-node-edit-form/9283)

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**Author:** [@gbove731](https://discourse.nodered.org/u/gbove731)\
**Replies:** 9\
**Last updated:** [22 March 2019 11:28 UTC](https://discourse.nodered.org/t/solved-is-there-a-way-to-resize-to-full-page-the-node-edit-form/9283 "2019-03-22T11:28:40Z")

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Is there a way to resize to full page the node edit form (of a custom palette) programmatically? Thanks in advance.

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## [Reverse-Proxy from Nginx to Node-RED does block Websocket communication](https://discourse.nodered.org/t/reverse-proxy-from-nginx-to-node-red-does-block-websocket-communication/9268)

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**Author:** [@flobbi](https://discourse.nodered.org/u/flobbi)\
**Replies:** 10\
**Last updated:** [22 March 2019 11:23 UTC](https://discourse.nodered.org/t/reverse-proxy-from-nginx-to-node-red-does-block-websocket-communication/9268 "2019-03-22T11:23:10Z")

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Hello, the problem existing is the following: We have a Nginx Reverse Proxy which redirects to an OpenVPN connected Raspberry Pi running Node-RED. All static content is loaded correctly, just the Websocket connection v…

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## [TCP flow, almost got it working](https://discourse.nodered.org/t/tcp-flow-almost-got-it-working/9274)

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**Author:** [@superace](https://discourse.nodered.org/u/superace)\
**Replies:** 2\
**Last updated:** [22 March 2019 10:18 UTC](https://discourse.nodered.org/t/tcp-flow-almost-got-it-working/9274 "2019-03-22T10:18:51Z")

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I am using the TCP nodes to solve something that would be super easy in MQTT. Why? Because the "server" side hardware does not support MQTT and there is nothing I can do about that fact. Case: An IOT device is hosing a…

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## [Node-red Theme not working on Asus Tinker](https://discourse.nodered.org/t/node-red-theme-not-working-on-asus-tinker/9131)

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**Author:** [@Andretrigo](https://discourse.nodered.org/u/Andretrigo)\
**Replies:** 3\
**Last updated:** [22 March 2019 10:08 UTC](https://discourse.nodered.org/t/node-red-theme-not-working-on-asus-tinker/9131 "2019-03-22T10:08:56Z")

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Hi. I'm working on a project using node-red on a asus tinkerboard, first it worked correctly the tabs windows showing the links, but now it doesn't show the links like before. I'm attaching the screens using the node…

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## [Voice to nodered via iphone](https://discourse.nodered.org/t/voice-to-nodered-via-iphone/9293)

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**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 1\
**Last updated:** [21 March 2019 21:41 UTC](https://discourse.nodered.org/t/voice-to-nodered-via-iphone/9293 "2019-03-21T21:41:37Z")

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Hello MY project is to be able to speak to my phone and that what I say arrives as a text in node-red I have seen many topics on the web explaining how to use IFTTT, MQTT, Google home, google now, Google assistant, Hom…

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## [V0.20 Structure](https://discourse.nodered.org/t/v0-20-structure/9290)

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**Author:** [@jdiegosierra](https://discourse.nodered.org/u/jdiegosierra)\
**Replies:** 3\
**Last updated:** [21 March 2019 21:18 UTC](https://discourse.nodered.org/t/v0-20-structure/9290 "2019-03-21T21:18:38Z")

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Hi! I use Node-RED since a year and I wonder why you change the structure of the project, I mean, for example now the red.js and the librearies are located into node modules however in older versions they were in the roo…

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## [Turn the whole flow on or off using telegram bot](https://discourse.nodered.org/t/turn-the-whole-flow-on-or-off-using-telegram-bot/9175)

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**Author:** [@anon4382222](https://discourse.nodered.org/u/anon4382222)\
**Replies:** 17\
**Last updated:** [21 March 2019 15:00 UTC](https://discourse.nodered.org/t/turn-the-whole-flow-on-or-off-using-telegram-bot/9175 "2019-03-21T15:00:18Z")

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I am trying to turn my flow on/off using telegram bot, I have tried several things but none of them worked so far.. My project is some kind of alarm that sends a message when the PIR sensor detects movement. I tried usi…

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## [Raspberry Pi and GPIO](https://discourse.nodered.org/t/raspberry-pi-and-gpio/9245)

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**Author:** [@darthcoder](https://discourse.nodered.org/u/darthcoder)\
**Replies:** 7\
**Last updated:** [21 March 2019 14:37 UTC](https://discourse.nodered.org/t/raspberry-pi-and-gpio/9245 "2019-03-21T14:37:26Z")

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Hello, All. I've done a bit of searching, and I can't see to find anything answering my question. I'm trying to run node-red in a docker image on a Raspberry Pi 3, and am having issues triggering GPIOs. I'm using the …

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## [Monitoring https page](https://discourse.nodered.org/t/monitoring-https-page/9275)

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**Author:** [@ceejm1](https://discourse.nodered.org/u/ceejm1)\
**Replies:** 1\
**Last updated:** [21 March 2019 13:32 UTC](https://discourse.nodered.org/t/monitoring-https-page/9275 "2019-03-21T13:32:20Z")

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Hello, We have a remote server (a CCTV device) that we'd like to monitor to determine if it is up or not. A method to detect this would be to call an https page and look for a valid response. Can anyone suggest how we…

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## [While running the flow getting servet time out error](https://discourse.nodered.org/t/while-running-the-flow-getting-servet-time-out-error/9227)

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**Author:** [@Umang](https://discourse.nodered.org/u/Umang)\
**Replies:** 10\
**Last updated:** [21 March 2019 10:53 UTC](https://discourse.nodered.org/t/while-running-the-flow-getting-servet-time-out-error/9227 "2019-03-21T10:53:08Z")

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I want to create a http request and the get a desired json file output. I have done the following this and I am getting a timeout error while running please help. The flow is as follows: \[{"id":"2e661d86.fa8792","type"…

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## [Is node red a framework](https://discourse.nodered.org/t/is-node-red-a-framework/9236)

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**Author:** [@YT2310](https://discourse.nodered.org/u/YT2310)\
**Replies:** 3\
**Last updated:** [21 March 2019 09:30 UTC](https://discourse.nodered.org/t/is-node-red-a-framework/9236 "2019-03-21T09:30:55Z")

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Hey there, I have a question, just because i m interested in.. Could Node red be seen as a framework or not? Because i read the definition of a framework and now I m not really sure wheater it is a framework or not. T…

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## [Set email recipient from POST](https://discourse.nodered.org/t/set-email-recipient-from-post/9256)

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**Author:** [@defremont](https://discourse.nodered.org/u/defremont)\
**Replies:** 1\
**Last updated:** [21 March 2019 00:52 UTC](https://discourse.nodered.org/t/set-email-recipient-from-post/9256 "2019-03-21T00:52:10Z")

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Hello, i'm able to send email when access "127.0.0.1:1880/hello" or make a GET request with this flow: \[{"id":"b84d8811.9408d8","type":"tab","label":"Flow 1","disabled":false,"info":""},{"id":"515bb640.bd9fe8","type":"d…

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## [Upgrading Node-RED on Docker from 0.19.6 to 0.20 makes Node-Red unstable and I lose all my line connections between nodes](https://discourse.nodered.org/t/upgrading-node-red-on-docker-from-0-19-6-to-0-20-makes-node-red-unstable-and-i-lose-all-my-line-connections-between-nodes/8903)

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**Author:** [@pseudonoob](https://discourse.nodered.org/u/pseudonoob)\
**Replies:** 11\
**Last updated:** [20 March 2019 22:22 UTC](https://discourse.nodered.org/t/upgrading-node-red-on-docker-from-0-19-6-to-0-20-makes-node-red-unstable-and-i-lose-all-my-line-connections-between-nodes/8903 "2019-03-20T22:22:21Z")

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So I use Node-RED for home automation purposes. Running Docker on a Synology box, I always use the v8 Docker image. 0.19.6-v8 works a charm and the versions before that have always worked fine too. I tried to upgrade to…

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## [Raspberry pi Sensehat](https://discourse.nodered.org/t/raspberry-pi-sensehat/9244)

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**Author:** [@cannco](https://discourse.nodered.org/u/cannco)\
**Replies:** 4\
**Last updated:** [20 March 2019 22:04 UTC](https://discourse.nodered.org/t/raspberry-pi-sensehat/9244 "2019-03-20T22:04:45Z")

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Hi everyone. Thanks for the previous help on my LED question. I have a new question about using the Sensehat with my Raspberry Pi. I can get the Sensehat to provide me with temperature/humidity/pressure readings and I'v…

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## [Syntax Error while installing new Nodes](https://discourse.nodered.org/t/syntax-error-while-installing-new-nodes/4020)

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**Author:** [@MrTreffnix601](https://discourse.nodered.org/u/MrTreffnix601)\
**Replies:** 7\
**Last updated:** [20 March 2019 21:32 UTC](https://discourse.nodered.org/t/syntax-error-while-installing-new-nodes/4020 "2019-03-20T21:32:00Z")

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Hello, I´m having some trouble with my Node-RED. Node-RED \[v0.16.2 \] nodejs \[v6.12.3 \] Hardware/OS \[Siemens IoT Gateway 2040, Yocto Linux \] Browser \[Chrome \] I installed the node-red-contrib-s7comm palette and recei…

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## [IBM messagehub-node](https://discourse.nodered.org/t/ibm-messagehub-node/9251)

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**Author:** [@sanserg](https://discourse.nodered.org/u/sanserg)\
**Replies:** 0\
**Last updated:** [20 March 2019 21:18 UTC](https://discourse.nodered.org/t/ibm-messagehub-node/9251 "2019-03-20T21:18:57Z")

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Hi, Can anyone has any example about what is the correct node to install and how to connect into IBM message hub (renamed by event stream) node to subscribe into a message ? found both @nickcis/node-red-contrib-messag…

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## [In node-red how to store message for using in flows](https://discourse.nodered.org/t/in-node-red-how-to-store-message-for-using-in-flows/8766)

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**Author:** [@VIKRAMAS](https://discourse.nodered.org/u/VIKRAMAS)\
**Replies:** 15\
**Last updated:** [20 March 2019 20:13 UTC](https://discourse.nodered.org/t/in-node-red-how-to-store-message-for-using-in-flows/8766 "2019-03-20T20:13:16Z")

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In node red suppose my flow is like \[1st API call\]---------\>\[2nd API call\]---\>merge both and display data on dashboard the first node will call API and each time the result will be different and after second call I hav…

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## [Openhab2 won't update item state](https://discourse.nodered.org/t/openhab2-wont-update-item-state/9241)

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**Author:** [@mladams922](https://discourse.nodered.org/u/mladams922)\
**Replies:** 0\
**Last updated:** [20 March 2019 19:10 UTC](https://discourse.nodered.org/t/openhab2-wont-update-item-state/9241 "2019-03-20T19:10:31Z")

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I'm pretty new to using NodeRed but so far I've found it mostly easy to get started. I'm stuck at one point though. I'm using the Openhab2 library which I see many other people using with no problem. I added a Openhab…

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## [Can Node-RED be deployed on Netlify?](https://discourse.nodered.org/t/can-node-red-be-deployed-on-netlify/9147)

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**Author:** [@Narvey](https://discourse.nodered.org/u/Narvey)\
**Replies:** 6\
**Last updated:** [20 March 2019 16:39 UTC](https://discourse.nodered.org/t/can-node-red-be-deployed-on-netlify/9147 "2019-03-20T16:39:20Z")

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I cloned the Node-RED repo and pointed Netlify to that repo. My build command in Netlify is: npm install; npm run build And I don't have a deploy directory specified, should I? After the build, I just get a 404 when …

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## [DS18B20 PID Tuning on the warm side](https://discourse.nodered.org/t/ds18b20-pid-tuning-on-the-warm-side/8811)

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**Author:** [@Backup](https://discourse.nodered.org/u/Backup)\
**Replies:** 52\
**Last updated:** [20 March 2019 16:06 UTC](https://discourse.nodered.org/t/ds18b20-pid-tuning-on-the-warm-side/8811 "2019-03-20T16:06:00Z")

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By way of review, I have a 7CU chest type freezer I use for brewing and aging wine. I use a 125W heat lamp for warming and, obviously, the freezer for cooling. Colin Law graciously helped me tune his PID node for the c…

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## [File Upload Features](https://discourse.nodered.org/t/file-upload-features/9233)

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**Author:** [@nhar](https://discourse.nodered.org/u/nhar)\
**Replies:** 2\
**Last updated:** [20 March 2019 15:44 UTC](https://discourse.nodered.org/t/file-upload-features/9233 "2019-03-20T15:44:43Z")

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I'm trying to build an application which will allow a user to upload a text file through a basic web form and be able to read the text file to take its contents as a string. Is this possible? I currently have a system se…

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## [Is it possible to connect NodeRED to a java IDE?](https://discourse.nodered.org/t/is-it-possible-to-connect-nodered-to-a-java-ide/9229)

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**Author:** [@nhar](https://discourse.nodered.org/u/nhar)\
**Replies:** 2\
**Last updated:** [20 March 2019 15:02 UTC](https://discourse.nodered.org/t/is-it-possible-to-connect-nodered-to-a-java-ide/9229 "2019-03-20T15:02:25Z")

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I've seen some examples of code such as here that imply it's possible to edit NodeRED via an IDE (such as eclipse) - is this correct? If so, does anybody know how you can do this/how it would interact with the NodeRED fl…

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## [Alexa compatible motion sensor emulation](https://discourse.nodered.org/t/alexa-compatible-motion-sensor-emulation/8641)

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**Author:** [@cismarine](https://discourse.nodered.org/u/cismarine)\
**Replies:** 12\
**Last updated:** [20 March 2019 13:46 UTC](https://discourse.nodered.org/t/alexa-compatible-motion-sensor-emulation/8641 "2019-03-20T13:46:51Z")

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I need to expose signals from node to Alexa as motion sensors. been looking for a node, but can't find anything. anyone with ideas? TIA Bart

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## [Display sensor data history](https://discourse.nodered.org/t/display-sensor-data-history/8752)

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**Author:** [@nassima100](https://discourse.nodered.org/u/nassima100)\
**Replies:** 6\
**Last updated:** [20 March 2019 12:59 UTC](https://discourse.nodered.org/t/display-sensor-data-history/8752 "2019-03-20T12:59:54Z")

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Hello, for those who are fimiliar with node red please help me, I'm starting to use node red & MQTT with an esp8266 and dht22, I followed this tutorial and it worked fine : https://randomnerdtutorials.com/esp8266-and-nod…

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