# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1118

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

**Page:** 1119

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## [Crisis MRP / Logistics System](https://discourse.nodered.org/t/crisis-mrp-logistics-system/24660)

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**Author:** [@TheadehAnank](https://discourse.nodered.org/u/TheadehAnank)\
**Replies:** 0\
**Last updated:** [11 April 2020 18:25 UTC](https://discourse.nodered.org/t/crisis-mrp-logistics-system/24660 "2020-04-11T18:25:45Z")

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I realize this is a big ask, maybe even a pipe dream, but I want to ask. One of the shining lights in the current pandemic has been the rise of people and businesses to help make PPE, the most prominent example (that I’m…

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## [Can not return results of POST HTTP Request](https://discourse.nodered.org/t/can-not-return-results-of-post-http-request/24618)

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**Author:** [@d0ublei](https://discourse.nodered.org/u/d0ublei)\
**Replies:** 6\
**Last updated:** [11 April 2020 15:57 UTC](https://discourse.nodered.org/t/can-not-return-results-of-post-http-request/24618 "2020-04-11T15:57:43Z")

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Hi, Been a node red user for some time, but I have finally ran into an issue that seems relatively simple, but I can not find a solution for. I am running an application on several Raspberry Pi's with Node Red installe…

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## [Changing flow tab color](https://discourse.nodered.org/t/changing-flow-tab-color/24647)

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**Author:** [@Hunter](https://discourse.nodered.org/u/Hunter)\
**Replies:** 1\
**Last updated:** [11 April 2020 15:56 UTC](https://discourse.nodered.org/t/changing-flow-tab-color/24647 "2020-04-11T15:56:11Z")

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Dear all, Just started to use NodeRED and so far, I'm very pleased! :slight\_smile: One suggestion, as far as I can see this is not possible yet? The flows appear on tabs, which by default have a white background and b…

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## [Failed to detect string in nr-if statement](https://discourse.nodered.org/t/failed-to-detect-string-in-nr-if-statement/24534)

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**Author:** [@chuckf201](https://discourse.nodered.org/u/chuckf201)\
**Replies:** 17\
**Last updated:** [11 April 2020 14:39 UTC](https://discourse.nodered.org/t/failed-to-detect-string-in-nr-if-statement/24534 "2020-04-11T14:39:09Z")

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I'm send in an opened or closed string in msg.payload and opening a jpg based on that value in a template node. \<div\> \<img ng-if="msg.payload === 'opened' " src="http://xx.yy.zzz.124:1882/GaragePicForSecurity-Open.j…

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## [Cassandra Node issue for query using timestamp](https://discourse.nodered.org/t/cassandra-node-issue-for-query-using-timestamp/24453)

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**Author:** [@jcouelier](https://discourse.nodered.org/u/jcouelier)\
**Replies:** 5\
**Last updated:** [11 April 2020 13:43 UTC](https://discourse.nodered.org/t/cassandra-node-issue-for-query-using-timestamp/24453 "2020-04-11T13:43:59Z")

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Hello nodered community, I am creating mDashboards to display historical events in my system. My database is a Cassandra database, so i am using the Cassandra Node. Unfortunately, my requests are not working when i am …

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## [How to deal with mySQL disk full?](https://discourse.nodered.org/t/how-to-deal-with-mysql-disk-full/24634)

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**Author:** [@AK51](https://discourse.nodered.org/u/AK51)\
**Replies:** 2\
**Last updated:** [11 April 2020 12:53 UTC](https://discourse.nodered.org/t/how-to-deal-with-mysql-disk-full/24634 "2020-04-11T12:53:07Z")

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I have a flow that insert data into mySQL. But I am afraid what will happened if the disk is full. I can't find any setting inside the mySQL workbench. (pls let me know if I can set anything.) My plan is to use node-…

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## [Restart loop 4 times per minute](https://discourse.nodered.org/t/restart-loop-4-times-per-minute/24628)

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**Author:** [@osvedman](https://discourse.nodered.org/u/osvedman)\
**Replies:** 16\
**Last updated:** [11 April 2020 12:47 UTC](https://discourse.nodered.org/t/restart-loop-4-times-per-minute/24628 "2020-04-11T12:47:27Z")

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node-red\[3353\]: ../src/base\_object-inl.h:140:static void node::BaseObject::InternalFieldSet(v8::Localv8::String, v8::Localv8::Value, const v8::PropertyCallbackInfo&) \[with int Field = 2; bool (v8::Value::\* typecheck)() c…

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## [Alexa home skill](https://discourse.nodered.org/t/alexa-home-skill/24635)

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**Author:** [@neodev](https://discourse.nodered.org/u/neodev)\
**Replies:** 2\
**Last updated:** [11 April 2020 12:19 UTC](https://discourse.nodered.org/t/alexa-home-skill/24635 "2020-04-11T12:19:36Z")

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I to all I want user alexa home skill node for ask : Alexa read temperature" then using alexa node Home Response i tell the poi of my house "garden" then into my nodered flow read the request "read temperrature" and "…

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## [Join node multiple problems / questions](https://discourse.nodered.org/t/join-node-multiple-problems-questions/24623)

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**Author:** [@bebR](https://discourse.nodered.org/u/bebR)\
**Replies:** 7\
**Last updated:** [11 April 2020 11:37 UTC](https://discourse.nodered.org/t/join-node-multiple-problems-questions/24623 "2020-04-11T11:37:58Z")

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Hi, I'm trying to use the join node without having previously split a message into parts. I first tried to perform a manual combination to a key/value object, with a msg.uid key, which should be unique. My condition t…

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## [Allow groups to be hidden and made visible via ui\_control](https://discourse.nodered.org/t/allow-groups-to-be-hidden-and-made-visible-via-ui-control/274)

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**Author:** [@matsublox](https://discourse.nodered.org/u/matsublox)\
**Replies:** 11\
**Last updated:** [11 April 2020 11:34 UTC](https://discourse.nodered.org/t/allow-groups-to-be-hidden-and-made-visible-via-ui-control/274 "2020-04-11T11:34:36Z")

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I am trying to use the relatively new feature allowing groups to be hidden or made visible via the UI\_Control node. The only documentation I found is in the release notes. Are there any more details available. I have an…

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## [Home Assistant, events: xiaomi\_aqara.click](https://discourse.nodered.org/t/home-assistant-events-xiaomi-aqara-click/24636)

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**Author:** [@daniel1411](https://discourse.nodered.org/u/daniel1411)\
**Replies:** 0\
**Last updated:** [11 April 2020 11:15 UTC](https://discourse.nodered.org/t/home-assistant-events-xiaomi-aqara-click/24636 "2020-04-11T11:15:47Z")

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Hi i have 3 xiaomi aqara click button, and i want to create automation using this buttons. I understand that the only option i have is "listen" to event xiaomi\_aqara.click. so i listen and get this: {"event\_type":"…

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## [Node-Red-NodeGen: Running Node-Red in docker with (Windows) local files](https://discourse.nodered.org/t/node-red-nodegen-running-node-red-in-docker-with-windows-local-files/24525)

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**Author:** [@AiKju](https://discourse.nodered.org/u/AiKju)\
**Replies:** 2\
**Last updated:** [11 April 2020 09:54 UTC](https://discourse.nodered.org/t/node-red-nodegen-running-node-red-in-docker-with-windows-local-files/24525 "2020-04-11T09:54:03Z")

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Hi I am running Node-Red from docker (on Linux): docker run -d -p 1880:1880 --name flow-machine --link msg-broker:msg-pipe -e FLOWS=flow-machine.json -v C:/Projekte/Lokal/software/develop/GitHub/NodeRed2Python/.node-red…

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## [Home assistance alarm node red trigger notification](https://discourse.nodered.org/t/home-assistance-alarm-node-red-trigger-notification/24630)

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**Author:** [@bhyatyab](https://discourse.nodered.org/u/bhyatyab)\
**Replies:** 0\
**Last updated:** [11 April 2020 08:47 UTC](https://discourse.nodered.org/t/home-assistance-alarm-node-red-trigger-notification/24630 "2020-04-11T08:47:53Z")

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Hi. I’m using node red for my home assistant alarm. I’m trying to integrate Automations into my flows. I’m using a function node link to an email node, The email subjects works. the email body shows the below text inst…

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## [Lock the switches against each other](https://discourse.nodered.org/t/lock-the-switches-against-each-other/24608)

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**Author:** [@volker1078](https://discourse.nodered.org/u/volker1078)\
**Replies:** 4\
**Last updated:** [11 April 2020 08:35 UTC](https://discourse.nodered.org/t/lock-the-switches-against-each-other/24608 "2020-04-11T08:35:05Z")

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Hello, I'm looking for a solution to interlock 2 switches in the dashboard. If 1 switch goes "on", switch 2 goes "off" and vice versa. I plan to have several switches and only one should always be on, all others must th…

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## [Repost State of Mqtt Topic if other Topic's state is 1](https://discourse.nodered.org/t/repost-state-of-mqtt-topic-if-other-topics-state-is-1/24040)

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**Author:** [@Chaosflori25](https://discourse.nodered.org/u/Chaosflori25)\
**Replies:** 21\
**Last updated:** [11 April 2020 08:24 UTC](https://discourse.nodered.org/t/repost-state-of-mqtt-topic-if-other-topics-state-is-1/24040 "2020-04-11T08:24:38Z")

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Hi, I've run into a problem: I'd link to have a trigger on an MQTT topic(for ex. TopicY's state is 1 ) that repeats a current topic (TopicX(State: 3)) to topicX like this: https://imgur.com/a/RtuGcbJ It is for an AV-Re…

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## [Two subflows I made: a timerange switch and a scheduler / dashboard integratable](https://discourse.nodered.org/t/two-subflows-i-made-a-timerange-switch-and-a-scheduler-dashboard-integratable/24586)

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**Author:** [@JGKK](https://discourse.nodered.org/u/JGKK)\
**Replies:** 5\
**Last updated:** [11 April 2020 07:21 UTC](https://discourse.nodered.org/t/two-subflows-i-made-a-timerange-switch-and-a-scheduler-dashboard-integratable/24586 "2020-04-11T07:21:29Z")

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Hello, In a recent thread (https://discourse.nodered.org/t/set-time-function-on-dashboard/24008/46) I was involved in a discussion about scheduling things from the ui and before this in a thread about time ranges. As mu…

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## [Create/append file on dashboard](https://discourse.nodered.org/t/create-append-file-on-dashboard/24560)

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**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\
**Replies:** 8\
**Last updated:** [11 April 2020 07:20 UTC](https://discourse.nodered.org/t/create-append-file-on-dashboard/24560 "2020-04-11T07:20:14Z")

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Hi, I already ask this before but nobody answered I'm trying to create files or databases since the dashboard i was looking for some information about it so i found a function msg.filename so this file will have the info…

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## [Text output of speech to text no showed?](https://discourse.nodered.org/t/text-output-of-speech-to-text-no-showed/24527)

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**Author:** [@lingzhongli](https://discourse.nodered.org/u/lingzhongli)\
**Replies:** 5\
**Last updated:** [11 April 2020 07:12 UTC](https://discourse.nodered.org/t/text-output-of-speech-to-text-no-showed/24527 "2020-04-11T07:12:26Z")

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Output: Why the text no show? but i try many times, sometime it can showed, sometime cannot showed.... And it show below error in terminal pi.... is that related? and how solve this problem?

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## [Button colour (using TEMPLATE node) help - the next stage](https://discourse.nodered.org/t/button-colour-using-template-node-help-the-next-stage/24625)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [11 April 2020 06:25 UTC](https://discourse.nodered.org/t/button-colour-using-template-node-help-the-next-stage/24625 "2020-04-11T06:25:54Z")

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The question I asked yesterday has been resolved. Again: Thanks to all who replied. Now I am getting greedy with what I am wanting buttons (template node) to do. This is from the template node now: \<md-button class=…

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## [Simple gate to switch on and off a flow](https://discourse.nodered.org/t/simple-gate-to-switch-on-and-off-a-flow/24611)

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**Author:** [@volker1078](https://discourse.nodered.org/u/volker1078)\
**Replies:** 2\
**Last updated:** [11 April 2020 06:14 UTC](https://discourse.nodered.org/t/simple-gate-to-switch-on-and-off-a-flow/24611 "2020-04-11T06:14:07Z")

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Hi there, I found this flow here in the forum: https://flows.nodered.org/flow/a985944e789d90e0cd2008d85b7aaa65 That is almost exactly what I am looking for .... I only need a second output so that the message takes th…

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## [Using IOT + MQTT + Node-Red to Monitor my leaky wall](https://discourse.nodered.org/t/using-iot-mqtt-node-red-to-monitor-my-leaky-wall/2316)

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**Author:** [@d0ublei](https://discourse.nodered.org/u/d0ublei)\
**Replies:** 7\
**Last updated:** [10 April 2020 20:30 UTC](https://discourse.nodered.org/t/using-iot-mqtt-node-red-to-monitor-my-leaky-wall/2316 "2020-04-10T20:30:54Z")

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I have been an an infrastructure guy more so than a developer my whole career. Last month, I discovered Node-Red and was instantly hooked. I work with developers and databases all day, but my programming skills have neve…

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## [Raspberry Pi GPIO via HTML](https://discourse.nodered.org/t/raspberry-pi-gpio-via-html/24497)

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**Author:** [@Askjerry](https://discourse.nodered.org/u/Askjerry)\
**Replies:** 8\
**Last updated:** [10 April 2020 13:57 UTC](https://discourse.nodered.org/t/raspberry-pi-gpio-via-html/24497 "2020-04-10T13:57:07Z")

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I can write HTML and javascript... but I can't seem to find out how to connect a simple HTML button to trigger a GPIO to be on or off. I can do it with other methods... but somewhere between HTML and the msg.payload I'm …

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## [Group.Light current state](https://discourse.nodered.org/t/group-light-current-state/24601)

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**Author:** [@Merwenus](https://discourse.nodered.org/u/Merwenus)\
**Replies:** 1\
**Last updated:** [10 April 2020 19:59 UTC](https://discourse.nodered.org/t/group-light-current-state/24601 "2020-04-10T19:59:30Z")

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Hello, Started to move from YAML to Node-Red couple a days ago, and I bumped into something I can't resolve, but it looks so easy, yet it does not work for me. I want to use a group of lights from Home Assistant to det…

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## [Actual and history event-alarm](https://discourse.nodered.org/t/actual-and-history-event-alarm/24258)

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**Author:** [@Marco\_C](https://discourse.nodered.org/u/Marco_C)\
**Replies:** 5\
**Last updated:** [10 April 2020 17:17 UTC](https://discourse.nodered.org/t/actual-and-history-event-alarm/24258 "2020-04-10T17:17:59Z")

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Hello everyone, I'm new to using node-red. I come from the plc-hmi world. I explain my problem. At home I installed a plc that manages part of home automation, I use node-red on a raspberry that reads variables and al…

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## [When disabling a node doesn't (Tuya-smart)](https://discourse.nodered.org/t/when-disabling-a-node-doesnt-tuya-smart/24566)

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**Author:** [@Bobo](https://discourse.nodered.org/u/Bobo)\
**Replies:** 4\
**Last updated:** [10 April 2020 17:00 UTC](https://discourse.nodered.org/t/when-disabling-a-node-doesnt-tuya-smart/24566 "2020-04-10T17:00:54Z")

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I started using this node https://github.com/hgross/node-red-contrib-tuya-smart to control an oem Tuya switch. Disabling the node in the Editor has no effect, it continues to poll the device. There are no config nodes pr…

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## [Create a simple log console](https://discourse.nodered.org/t/create-a-simple-log-console/24593)

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**Author:** [@Fucio7](https://discourse.nodered.org/u/Fucio7)\
**Replies:** 0\
**Last updated:** [10 April 2020 14:25 UTC](https://discourse.nodered.org/t/create-a-simple-log-console/24593 "2020-04-10T14:25:49Z")

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Hi all, I'm very new to Node-RED and HTML/JS world. I have my flow which does things and I save some of the results in a log file (append mode). Now I'd like to show in my dashboard the content of this file every time…

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## [Slider Label Update Issue, Did I miss something?](https://discourse.nodered.org/t/slider-label-update-issue-did-i-miss-something/24408)

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**Author:** [@maakhanj](https://discourse.nodered.org/u/maakhanj)\
**Replies:** 9\
**Last updated:** [10 April 2020 14:02 UTC](https://discourse.nodered.org/t/slider-label-update-issue-did-i-miss-something/24408 "2020-04-10T14:02:32Z")

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I used a single slider to control six gauges. Based on the servo (gauge) selected, the label and value of slider change. This works perfectly throughout except for a minor issue ie when I change the servo (gauge) and do …

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## [Homey and Aqara Sensor Temp](https://discourse.nodered.org/t/homey-and-aqara-sensor-temp/24465)

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**Author:** [@angelpeluk](https://discourse.nodered.org/u/angelpeluk)\
**Replies:** 3\
**Last updated:** [10 April 2020 13:34 UTC](https://discourse.nodered.org/t/homey-and-aqara-sensor-temp/24465 "2020-04-10T13:34:05Z")

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Hi everyone. I am new to the forum, I am programming Node-Red and I have a question. I have a Homey with several Xiaomi Aqara sensors. The sensors read well on Node-Red and Homey. I want to use the node-red-contrib-hea…

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## [Mosquitto\_pub help, please](https://discourse.nodered.org/t/mosquitto-pub-help-please/24559)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 4\
**Last updated:** [10 April 2020 12:49 UTC](https://discourse.nodered.org/t/mosquitto-pub-help-please/24559 "2020-04-10T12:49:44Z")

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I have an MQTT broker running on a Raspberry Pi (192.168.1.124). Been there for a couple of years. I am trying to send an MQTT message to that broker from another computer using: mosquitto\_pub -h 192.168.1.124 -t cmnd…

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## [DropBox node - feature request: specify directory which shall be monitored](https://discourse.nodered.org/t/dropbox-node-feature-request-specify-directory-which-shall-be-monitored/24343)

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**Author:** [@DamianosS](https://discourse.nodered.org/u/DamianosS)\
**Replies:** 1\
**Last updated:** [10 April 2020 12:48 UTC](https://discourse.nodered.org/t/dropbox-node-feature-request-specify-directory-which-shall-be-monitored/24343 "2020-04-10T12:48:51Z")

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It would be great if we can customize a specific DropBox directory to be monitored. Use case: Flow A would be interested in files located in the directory /backup . Flow B would be interested in files located in the …

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