# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=739

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

**Page:** 740

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## [Zigbee data transmission through arduino](https://discourse.nodered.org/t/zigbee-data-transmission-through-arduino/27614)

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**Author:** [@Iliyas](https://discourse.nodered.org/u/Iliyas)\
**Replies:** 6\
**Last updated:** [3 June 2020 15:32 UTC](https://discourse.nodered.org/t/zigbee-data-transmission-through-arduino/27614 "2020-06-03T15:32:56Z")

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Hello everyone, I need to transfer data from zigbee(router) to zigbee(coordinator) which is connected with arduino UNO, I need to work with this please help me out with this

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## [Error: Deploy failed: {"code":"EPERM","message":"EPERM: operation not permitted, open 'C:\\\\v'"}](https://discourse.nodered.org/t/error-deploy-failed-code-eperm-message-eperm-operation-not-permitted-open-c-v/27712)

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**Author:** [@Cheese](https://discourse.nodered.org/u/Cheese)\
**Replies:** 1\
**Last updated:** [3 June 2020 13:35 UTC](https://discourse.nodered.org/t/error-deploy-failed-code-eperm-message-eperm-operation-not-permitted-open-c-v/27712 "2020-06-03T13:35:47Z")

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Hi all, I have 2 issues that appeared with my Node-red today. After 12 months of flawlessly working, I'm suddenly getting 2 issues. When I open the UI, all of the flows are missing and only a single new default view…

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## [Link out , return to flow](https://discourse.nodered.org/t/link-out-return-to-flow/27711)

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**Author:** [@crester](https://discourse.nodered.org/u/crester)\
**Replies:** 2\
**Last updated:** [3 June 2020 13:05 UTC](https://discourse.nodered.org/t/link-out-return-to-flow/27711 "2020-06-03T13:05:52Z")

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Hello. I have same task, in this case is a login to get a hash in a website and use it in different flows. Something like this: But, how can I return to origin from the link out?

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## [NodeRed stream processing with unordered messages](https://discourse.nodered.org/t/nodered-stream-processing-with-unordered-messages/27689)

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**Author:** [@mayuran19](https://discourse.nodered.org/u/mayuran19)\
**Replies:** 7\
**Last updated:** [3 June 2020 10:19 UTC](https://discourse.nodered.org/t/nodered-stream-processing-with-unordered-messages/27689 "2020-06-03T10:19:58Z")

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Hello Team, I am evaluating NodeRed for the following scenario Scenario We receive two message types from sensors One is about the scanning of the box Another one is scanning of the items to be put into the box The bo…

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## [Node-RED is not yet fully installed /usr/bin/node-red-start: line 91: update-nodejs-and-nodered: command not found](https://discourse.nodered.org/t/node-red-is-not-yet-fully-installed-usr-bin-node-red-start-line-91-update-nodejs-and-nodered-command-not-found/27432)

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**Author:** [@MrTomAsh](https://discourse.nodered.org/u/MrTomAsh)\
**Replies:** 22\
**Last updated:** [3 June 2020 08:34 UTC](https://discourse.nodered.org/t/node-red-is-not-yet-fully-installed-usr-bin-node-red-start-line-91-update-nodejs-and-nodered-command-not-found/27432 "2020-06-03T08:34:52Z")

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Hi and welcome! It's my first topic. I've seen similar topics on this forum but neither of them helped me. I have a Raspberry Pi 3 B+ with homebridge installed for quite some time there. There's a supervisor that keeps…

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## [Fastest OneWire (ds18b20) update rate on Raspberry Pi](https://discourse.nodered.org/t/fastest-onewire-ds18b20-update-rate-on-raspberry-pi/16520)

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**Author:** [@m\_elias](https://discourse.nodered.org/u/m_elias)\
**Replies:** 26\
**Last updated:** [3 June 2020 07:59 UTC](https://discourse.nodered.org/t/fastest-onewire-ds18b20-update-rate-on-raspberry-pi/16520 "2020-06-03T07:59:14Z")

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I have several (up to 40) DS18B20 sensors that I'd like to read with a rPi. Currently, I have an Arduino reading them every 5 seconds by issuing a global temperature conversion command, waiting about 800ms, then reading …

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## [How are people monitoring by exception?](https://discourse.nodered.org/t/how-are-people-monitoring-by-exception/27687)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 7\
**Last updated:** [3 June 2020 06:34 UTC](https://discourse.nodered.org/t/how-are-people-monitoring-by-exception/27687 "2020-06-03T06:34:46Z")

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Guys, Wondering what people are using for automated management by exception of your systems ? I have at the moment 14 different Tasmota/Sonoff devices scattered around and doing various tasks - some of them only do some…

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## [What node could this error be coming from?](https://discourse.nodered.org/t/what-node-could-this-error-be-coming-from/27680)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 5\
**Last updated:** [3 June 2020 02:50 UTC](https://discourse.nodered.org/t/what-node-could-this-error-be-coming-from/27680 "2020-06-03T02:50:38Z")

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I am working on my sprinkler flows and after a deploy I get these error messages in my debug tab: unknown push type: sms\_changed content: {"type":"sms\_changed","source\_device\_iden":"ujEvlJN1IWWsjAiVsKnSTs","notification…

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## [Forum etiquette revisited](https://discourse.nodered.org/t/forum-etiquette-revisited/27691)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 0\
**Last updated:** [3 June 2020 02:43 UTC](https://discourse.nodered.org/t/forum-etiquette-revisited/27691 "2020-06-03T02:43:37Z")

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I hate to repeat myself, but it might be a privilege of the old and cranky. Once again, I have fallen pitifully behind in reading the forum and must beg help, especially from newcomers to the group. If you take a moment,…

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## [How to dynamically change a property](https://discourse.nodered.org/t/how-to-dynamically-change-a-property/27644)

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**Author:** [@dedelajoie](https://discourse.nodered.org/u/dedelajoie)\
**Replies:** 3\
**Last updated:** [2 June 2020 22:17 UTC](https://discourse.nodered.org/t/how-to-dynamically-change-a-property/27644 "2020-06-02T22:17:30Z")

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Hello I've been browsing through the forum trying to find an answer but didn't find anything I could use. I am a beginner trying to make my way through this gorgeous tool. I created a flow which read the openweathermap…

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## [Influxdb WAL and SD cards](https://discourse.nodered.org/t/influxdb-wal-and-sd-cards/27575)

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**Author:** [@cinhcet](https://discourse.nodered.org/u/cinhcet)\
**Replies:** 2\
**Last updated:** [2 June 2020 20:56 UTC](https://discourse.nodered.org/t/influxdb-wal-and-sd-cards/27575 "2020-06-02T20:56:21Z")

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Hi, not a question directly related to node-red, but I guess many people here might use influx databases. So far I had influx data on an external usb stick. Since I now need that port for something else and generally t…

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## [Function node comparison of 2 inputs](https://discourse.nodered.org/t/function-node-comparison-of-2-inputs/27665)

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**Author:** [@tompeel](https://discourse.nodered.org/u/tompeel)\
**Replies:** 7\
**Last updated:** [2 June 2020 19:24 UTC](https://discourse.nodered.org/t/function-node-comparison-of-2-inputs/27665 "2020-06-02T19:24:34Z")

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Hi, Im trying to take 2 door stats (bools) and output a bool of if they are both open or both closed. I have been through the boolean logic node but it outputs on 0+1 and 1+0 and i only want 0+0=0 or 1+1=1. I have a fu…

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## [FTP node error "Non-anonymous sessions must use encryption"](https://discourse.nodered.org/t/ftp-node-error-non-anonymous-sessions-must-use-encryption/27496)

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**Author:** [@KevinPamu](https://discourse.nodered.org/u/KevinPamu)\
**Replies:** 6\
**Last updated:** [2 June 2020 19:12 UTC](https://discourse.nodered.org/t/ftp-node-error-non-anonymous-sessions-must-use-encryption/27496 "2020-06-02T19:12:40Z")

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Hi, I'm trying to put a file from a local windows machine to an FTP site. I'm using the 'node-red-contrib-ftp ' module. I have setup the username and password correctly and I've confirmed with filezilla that I can con…

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## [Returns function value](https://discourse.nodered.org/t/returns-function-value/27667)

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**Author:** [@bperard](https://discourse.nodered.org/u/bperard)\
**Replies:** 5\
**Last updated:** [2 June 2020 17:44 UTC](https://discourse.nodered.org/t/returns-function-value/27667 "2020-06-02T17:44:24Z")

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Hi, everybody, I need your help because I’m trying to create a rock, papers, cisors game with the help of the phone sensors and sending values not another but I want to display who won. I can’t return the value because …

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## [How to do a sum of 7 values](https://discourse.nodered.org/t/how-to-do-a-sum-of-7-values/27673)

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**Author:** [@Hamza](https://discourse.nodered.org/u/Hamza)\
**Replies:** 16\
**Last updated:** [2 June 2020 17:00 UTC](https://discourse.nodered.org/t/how-to-do-a-sum-of-7-values/27673 "2020-06-02T17:00:42Z")

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Hello guys, I want to display a sum of 7 values on a blynk labeled value widget but it didn't work as intended because i see the old values plus the new one start to accumulate and sometimes after a modification a zero,…

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## [Localhost:8080 in a Docker container using NGINX?](https://discourse.nodered.org/t/localhost-8080-in-a-docker-container-using-nginx/27655)

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**Author:** [@qmf](https://discourse.nodered.org/u/qmf)\
**Replies:** 2\
**Last updated:** [2 June 2020 14:41 UTC](https://discourse.nodered.org/t/localhost-8080-in-a-docker-container-using-nginx/27655 "2020-06-02T14:41:40Z")

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Hi, I am Noob to Docker and Nginx. But I'd like to be able to open Node-RED through port 8080 (localhost:8080) with a Docker container served by NGINX. Could anyone help me? Thank you so much in advance!

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## [MCP3008 for Weather Station values different Python/Node-Red](https://discourse.nodered.org/t/mcp3008-for-weather-station-values-different-python-node-red/27660)

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**Author:** [@Brew](https://discourse.nodered.org/u/Brew)\
**Replies:** 3\
**Last updated:** [2 June 2020 12:32 UTC](https://discourse.nodered.org/t/mcp3008-for-weather-station-values-different-python-node-red/27660 "2020-06-02T12:32:20Z")

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Hi all, I'm trying to build a weather station, one of my components is a weathervane showing wind direction, I'm following the instructions here Raspberry Pi Weather Station. The project is going well however my problem …

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## [Node-red-node-serialport flush serial buffer](https://discourse.nodered.org/t/node-red-node-serialport-flush-serial-buffer/27590)

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**Author:** [@Starscream83](https://discourse.nodered.org/u/Starscream83)\
**Replies:** 4\
**Last updated:** [2 June 2020 12:17 UTC](https://discourse.nodered.org/t/node-red-node-serialport-flush-serial-buffer/27590 "2020-06-02T12:17:56Z")

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Hi, I'm using the serial-in node and i want to make sure the serial buffer is flushed after the received message has been handled in a function node. How can this be realized?

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## [Npm error - mobius-flow-base, Tasmota, EnOcean PTM215B](https://discourse.nodered.org/t/npm-error-mobius-flow-base-tasmota-enocean-ptm215b/27611)

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**Author:** [@beginner\_2020](https://discourse.nodered.org/u/beginner_2020)\
**Replies:** 4\
**Last updated:** [2 June 2020 11:31 UTC](https://discourse.nodered.org/t/npm-error-mobius-flow-base-tasmota-enocean-ptm215b/27611 "2020-06-02T11:31:28Z")

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Hi, I'm completly new to nodered, but my goal is ambitious. I have several Sonoff devices in my flat (basic, pow, 1-gang, 2-gang, 4ch, S20). For the beginning I flashed Tasmoty on a Sonoff basic. Looks like it's runni…

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## [Locate and edit settings.js file under Docker](https://discourse.nodered.org/t/locate-and-edit-settings-js-file-under-docker/27643)

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**Author:** [@tgibbs99](https://discourse.nodered.org/u/tgibbs99)\
**Replies:** 3\
**Last updated:** [2 June 2020 11:00 UTC](https://discourse.nodered.org/t/locate-and-edit-settings-js-file-under-docker/27643 "2020-06-02T11:00:16Z")

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Several different lines of inquiry have lead to requiring editing the settings.js file. I am not able to locate it. I am running Node-Red under Docker on Raspberry Pi. Search of internet indicates several others are st…

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## [Nodes Credentials not retained after node-red is restarted (docker environment)](https://discourse.nodered.org/t/nodes-credentials-not-retained-after-node-red-is-restarted-docker-environment/27364)

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**Author:** [@schmidki](https://discourse.nodered.org/u/schmidki)\
**Replies:** 7\
**Last updated:** [2 June 2020 10:41 UTC](https://discourse.nodered.org/t/nodes-credentials-not-retained-after-node-red-is-restarted-docker-environment/27364 "2020-06-02T10:41:00Z")

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Hello, I've got a little project with node-red running under docker-compose.The node-red setup is installed following the instructions under https://nodered.org/docs/getting-started/docker#docker-stack--docker-compose. …

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## [Custom login UI redirect](https://discourse.nodered.org/t/custom-login-ui-redirect/27647)

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**Author:** [@ashish-y](https://discourse.nodered.org/u/ashish-y)\
**Replies:** 3\
**Last updated:** [2 June 2020 07:47 UTC](https://discourse.nodered.org/t/custom-login-ui-redirect/27647 "2020-06-02T07:47:02Z")

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Hi, Is it possible to redirect to a custom login page(if the user is not authenticated) and use oauth to generate the user token instead of using default login popup? Something similar to logout redirect logout: { r…

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## [Deactivate a FLOW in from SSH](https://discourse.nodered.org/t/deactivate-a-flow-in-from-ssh/27628)

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**Author:** [@971JMD](https://discourse.nodered.org/u/971JMD)\
**Replies:** 8\
**Last updated:** [2 June 2020 04:40 UTC](https://discourse.nodered.org/t/deactivate-a-flow-in-from-ssh/27628 "2020-06-02T04:40:38Z")

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j'ai une question très importante, comment désactivée un FLOW en depuis le SSH I have a very important question, how to deactivate a FLOW in from SSH thank you

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## [Embeding node-red in a ReactJs app that uses react router](https://discourse.nodered.org/t/embeding-node-red-in-a-reactjs-app-that-uses-react-router/27609)

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**Author:** [@Tekos](https://discourse.nodered.org/u/Tekos)\
**Replies:** 1\
**Last updated:** [2 June 2020 00:20 UTC](https://discourse.nodered.org/t/embeding-node-red-in-a-reactjs-app-that-uses-react-router/27609 "2020-06-02T00:20:47Z")

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Hi, I have read docs that tells how to configure node-red with express app. But my react app is webpack based and it uses react router for components and urls. Is there a way, or some kind of a react wrapper for embedd…

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## [Status Node - how does it work?](https://discourse.nodered.org/t/status-node-how-does-it-work/27551)

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**Author:** [@Peter\_Truman](https://discourse.nodered.org/u/Peter_Truman)\
**Replies:** 10\
**Last updated:** [2 June 2020 00:16 UTC](https://discourse.nodered.org/t/status-node-how-does-it-work/27551 "2020-06-02T00:16:04Z")

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Hi all, New guy here - so please be gentle :slight\_smile: I'm very new at this so probably a silly question but... I'm having trouble getting the Status node to work. I have a flow with 1 injector (named Test\_inj), 1 s…

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## [Ufw log fills up with \[BLOCK\] messages from node-red http gets](https://discourse.nodered.org/t/ufw-log-fills-up-with-block-messages-from-node-red-http-gets/27500)

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**Author:** [@brandock](https://discourse.nodered.org/u/brandock)\
**Replies:** 10\
**Last updated:** [1 June 2020 22:41 UTC](https://discourse.nodered.org/t/ufw-log-fills-up-with-block-messages-from-node-red-http-gets/27500 "2020-06-01T22:41:44Z")

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I have node-red running on a Raspberry Pi, and on another Raspberry Pi I run emonCMS, ufw, and my apache2 reverse proxy server. Some of my nod-red flows request the feed data from emonCMS. Like this one: \[{"id":"a7ce24…

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## [JSON file with a lot of sensors data into Charts](https://discourse.nodered.org/t/json-file-with-a-lot-of-sensors-data-into-charts/27622)

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**Author:** [@Kywalh](https://discourse.nodered.org/u/Kywalh)\
**Replies:** 9\
**Last updated:** [1 June 2020 20:19 UTC](https://discourse.nodered.org/t/json-file-with-a-lot-of-sensors-data-into-charts/27622 "2020-06-01T20:19:18Z")

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Hi all, I discovered Node-Red yesterday for my personnal raspberry pi project... The project "results" in a generation of a JSON file that embeds a lot of sensors data as follow: \[ { "Timestamp": "2020-06-01;13:…

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## [Twitter node time out](https://discourse.nodered.org/t/twitter-node-time-out/27618)

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**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 3\
**Last updated:** [1 June 2020 17:20 UTC](https://discourse.nodered.org/t/twitter-node-time-out/27618 "2020-06-01T17:20:26Z")

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I have created a twitter send dm loop from a database So if send is 0 then send the dm and if send is succesfull then set send to 1 But how can i get a succesfull send reply form the twiter node? Fist i thought just s…

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## [Node-red-contrib-web-page-screenshot "Your connection is not private" Error](https://discourse.nodered.org/t/node-red-contrib-web-page-screenshot-your-connection-is-not-private-error/27512)

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**Author:** [@mgarito](https://discourse.nodered.org/u/mgarito)\
**Replies:** 4\
**Last updated:** [1 June 2020 13:19 UTC](https://discourse.nodered.org/t/node-red-contrib-web-page-screenshot-your-connection-is-not-private-error/27512 "2020-06-01T13:19:33Z")

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The tool "node-red-contrib-web-page-screenshot" has worked on every webpage I have tried it on, except the ones that throw a "Your connection is not private" certificate error. I've tested http, https, http with atypica…

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## [How to get the scores of each class detected , while performing a image classification using a custom ibm visual recognition model in node red?](https://discourse.nodered.org/t/how-to-get-the-scores-of-each-class-detected-while-performing-a-image-classification-using-a-custom-ibm-visual-recognition-model-in-node-red/27096)

<div class="topic-metadata">

**Author:** [@mst](https://discourse.nodered.org/u/mst)\
**Replies:** 17\
**Last updated:** [1 June 2020 12:38 UTC](https://discourse.nodered.org/t/how-to-get-the-scores-of-each-class-detected-while-performing-a-image-classification-using-a-custom-ibm-visual-recognition-model-in-node-red/27096 "2020-06-01T12:38:24Z")

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cI am using a custom IBM visual recognition classifier in node red.But while getting the result for a image, the debug window only shows no of classes detected i.e 'custom\_classes: 7'. How can i get the indivisual score…

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