# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=805

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

**Page:** 806

---

## [Interface between Multitech Gateway and Proface HMI](https://discourse.nodered.org/t/interface-between-multitech-gateway-and-proface-hmi/20464)

<div class="topic-metadata">

**Author:** [@Partheepan](https://discourse.nodered.org/u/Partheepan)\
**Replies:** 2\
**Last updated:** [19 January 2020 19:22 UTC](https://discourse.nodered.org/t/interface-between-multitech-gateway-and-proface-hmi/20464 "2020-01-19T19:22:41Z")

</div>

Hi, I would like to connect Multitech gateway to Proface HMI (SP5000 Series). I have sensors data streaming to my Node-RED online app through Multitech gateway. I would like to forward these data to Proface HMI device. …

---

## [Full api in node red](https://discourse.nodered.org/t/full-api-in-node-red/20585)

<div class="topic-metadata">

**Author:** [@theobouwman](https://discourse.nodered.org/u/theobouwman)\
**Replies:** 4\
**Last updated:** [19 January 2020 18:50 UTC](https://discourse.nodered.org/t/full-api-in-node-red/20585 "2020-01-19T18:50:36Z")

</div>

Hello, I would like to create fairly simple api's using node red. The ideal solution should be nodes implementing authentication, authorization and validation. Are there any nodes that provide these features or should…

---

## [Get simple data into influxdb](https://discourse.nodered.org/t/get-simple-data-into-influxdb/20579)

<div class="topic-metadata">

**Author:** [@Thorsten\_B](https://discourse.nodered.org/u/Thorsten_B)\
**Replies:** 4\
**Last updated:** [19 January 2020 17:37 UTC](https://discourse.nodered.org/t/get-simple-data-into-influxdb/20579 "2020-01-19T17:37:39Z")

</div>

Hello, i am sure i read a possibility but i can´t detect it. I have a issue to create a right output for the Influxout node. Data comes as a String, in this are only one number and one unit. A Debug Node give me that…

---

## [Working with more than one mqtt broker?](https://discourse.nodered.org/t/working-with-more-than-one-mqtt-broker/20577)

<div class="topic-metadata">

**Author:** [@klauskinski](https://discourse.nodered.org/u/klauskinski)\
**Replies:** 6\
**Last updated:** [19 January 2020 17:22 UTC](https://discourse.nodered.org/t/working-with-more-than-one-mqtt-broker/20577 "2020-01-19T17:22:28Z")

</div>

Hi, I'm using the default built-in mqtt nodes. It works great with a single mqtt broker. However, I have different buildings and each has its own local MQTT broker. Some of the messages should replicate between differe…

---

## [Collecting values for multiple variables before processing?](https://discourse.nodered.org/t/collecting-values-for-multiple-variables-before-processing/20570)

<div class="topic-metadata">

**Author:** [@klauskinski](https://discourse.nodered.org/u/klauskinski)\
**Replies:** 3\
**Last updated:** [19 January 2020 15:11 UTC](https://discourse.nodered.org/t/collecting-values-for-multiple-variables-before-processing/20570 "2020-01-19T15:11:23Z")

</div>

Folks, I'm new to Node Red, but I did play around a bit. It seems that the Node Red processes individual messages and creates responses. i.e. there is a direct relationship between the input and output as 1-to-1... I re…

---

## [Failing installing node-red-contrib-nube-logic 1.0.4](https://discourse.nodered.org/t/failing-installing-node-red-contrib-nube-logic-1-0-4/20409)

<div class="topic-metadata">

**Author:** [@MF85](https://discourse.nodered.org/u/MF85)\
**Replies:** 24\
**Last updated:** [19 January 2020 13:37 UTC](https://discourse.nodered.org/t/failing-installing-node-red-contrib-nube-logic-1-0-4/20409 "2020-01-19T13:37:33Z")

</div>

Hi there. I've been trying install node-red-contrib-nube-logic by the "manage palette" set menu. But i get many errors. npm V 6.13.4 node V 12.14.1 Raspbian GNU/Linux 10 (buster) This is the node red error log: --…

---

## [Serial port /dev/ttyUSB0 closed unexpectedly](https://discourse.nodered.org/t/serial-port-dev-ttyusb0-closed-unexpectedly/20549)

<div class="topic-metadata">

**Author:** [@edje11](https://discourse.nodered.org/u/edje11)\
**Replies:** 3\
**Last updated:** [19 January 2020 11:05 UTC](https://discourse.nodered.org/t/serial-port-dev-ttyusb0-closed-unexpectedly/20549 "2020-01-19T11:05:40Z")

</div>

Today I have update my NR on my pi3B+ from 0.20.7 to 1.0.3. At the same time I have update some nodes among which the serial port node from version unknown to 0.10.0. Since that moment my comport is giving an error in …

---

## [Single button, multiple press options (New thread see link in first post)](https://discourse.nodered.org/t/single-button-multiple-press-options-new-thread-see-link-in-first-post/20559)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [19 January 2020 11:03 UTC](https://discourse.nodered.org/t/single-button-multiple-press-options-new-thread-see-link-in-first-post/20559 "2020-01-19T11:03:41Z")

</div>

New thread: See here. Going on slightly from another thread with temperatures and alarms, it is interesting that I now have a similar question: This flow works in that I have to press the button (start) 4 times to g…

---

## [UPDATE record from flow to MariaDB database](https://discourse.nodered.org/t/update-record-from-flow-to-mariadb-database/20556)

<div class="topic-metadata">

**Author:** [@baqwas](https://discourse.nodered.org/u/baqwas)\
**Replies:** 1\
**Last updated:** [19 January 2020 10:38 UTC](https://discourse.nodered.org/t/update-record-from-flow-to-mariadb-database/20556 "2020-01-19T10:38:36Z")

</div>

Hello, I've been using the mysql node for INSERT and CALL operations successfully but have reached a roadblock in understanding how to use it for the equivalent of the SQL UPDATE statement. The INSERT code snippet has b…

---

## [Basic but important questions](https://discourse.nodered.org/t/basic-but-important-questions/20355)

<div class="topic-metadata">

**Author:** [@dcaccount](https://discourse.nodered.org/u/dcaccount)\
**Replies:** 4\
**Last updated:** [19 January 2020 09:34 UTC](https://discourse.nodered.org/t/basic-but-important-questions/20355 "2020-01-19T09:34:36Z")

</div>

Hello, I have read a lot about Node-RED and about its importance in IoT projects. I am going to use on my Raspberry server where Homebridge and MQTT servers are already running. I understood all about programming and f…

---

## [Console and debug nodes output redirection to file or](https://discourse.nodered.org/t/console-and-debug-nodes-output-redirection-to-file-or/2779)

<div class="topic-metadata">

**Author:** [@tilleul](https://discourse.nodered.org/u/tilleul)\
**Replies:** 11\
**Last updated:** [19 January 2020 07:35 UTC](https://discourse.nodered.org/t/console-and-debug-nodes-output-redirection-to-file-or/2779 "2020-01-19T07:35:03Z")

</div>

Is it possible to redirect (or preferably duplicate) console and debug nodes output to a file or something else like a DB or anything ... ? It means that any console.log(), node.log(), node.warn(), node.error() command …

---

## [What to do with the return of Modbus-Flex-Getter?](https://discourse.nodered.org/t/what-to-do-with-the-return-of-modbus-flex-getter/20543)

<div class="topic-metadata">

**Author:** [@LTDS](https://discourse.nodered.org/u/LTDS)\
**Replies:** 10\
**Last updated:** [19 January 2020 07:25 UTC](https://discourse.nodered.org/t/what-to-do-with-the-return-of-modbus-flex-getter/20543 "2020-01-19T07:25:24Z")

</div>

Hi there ! I'm facing a bit of an issue, I'm developing a flow witch reads data from a Modbus oxygen probe. There are three different data to read : Temperature : holding register ; adr.83 ; float ; 2 registers Oxy S…

---

## [PiFace CAD - a different request](https://discourse.nodered.org/t/piface-cad-a-different-request/20295)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 26\
**Last updated:** [19 January 2020 07:02 UTC](https://discourse.nodered.org/t/piface-cad-a-different-request/20295 "2020-01-19T07:02:28Z")

</div>

I appreciate the recent post of the PiFace node allowing use of the display on the RasPi's PiFace CAD shield. Is there also a node out there which allows access to the buttons also? It is just having the display (final…

---

## [Control Phillips Hue colors with Alexa Home V3](https://discourse.nodered.org/t/control-phillips-hue-colors-with-alexa-home-v3/20551)

<div class="topic-metadata">

**Author:** [@Marcdo70](https://discourse.nodered.org/u/Marcdo70)\
**Replies:** 0\
**Last updated:** [18 January 2020 23:29 UTC](https://discourse.nodered.org/t/control-phillips-hue-colors-with-alexa-home-v3/20551 "2020-01-18T23:29:01Z")

</div>

Hi Guys, I'm Marcus from Germany and I have a problem. I want to control my Phillips Hue via Node Red and Alexa Home V3. On, off and dimming is all possible, only if the colors are controlled, the lamp is dimmed. This me…

---

## [Save data so that it is not deleted](https://discourse.nodered.org/t/save-data-so-that-it-is-not-deleted/20548)

<div class="topic-metadata">

**Author:** [@ReneS](https://discourse.nodered.org/u/ReneS)\
**Replies:** 7\
**Last updated:** [18 January 2020 22:45 UTC](https://discourse.nodered.org/t/save-data-so-that-it-is-not-deleted/20548 "2020-01-18T22:45:00Z")

</div>

Would like to save data, so if raspberry restarts or I update the flow, data in the now save in menory will not be lost. If data is just beginning but when the next data is gone: Hope some can help me, Sincerely Re…

---

## [Turn on the relay by clicking the shortcut on the windows desktop](https://discourse.nodered.org/t/turn-on-the-relay-by-clicking-the-shortcut-on-the-windows-desktop/20547)

<div class="topic-metadata">

**Author:** [@Notturno](https://discourse.nodered.org/u/Notturno)\
**Replies:** 2\
**Last updated:** [18 January 2020 21:36 UTC](https://discourse.nodered.org/t/turn-on-the-relay-by-clicking-the-shortcut-on-the-windows-desktop/20547 "2020-01-18T21:36:01Z")

</div>

Hello. Tell me how to make sure that I can turn on the relay by clicking on the shortcut on the windows desktop? Is it possible not to install web-server? maybe there are any nods?

---

## [Node-Red "exec" Node in Docker](https://discourse.nodered.org/t/node-red-exec-node-in-docker/20536)

<div class="topic-metadata">

**Author:** [@n61ab](https://discourse.nodered.org/u/n61ab)\
**Replies:** 2\
**Last updated:** [18 January 2020 19:54 UTC](https://discourse.nodered.org/t/node-red-exec-node-in-docker/20536 "2020-01-18T19:54:19Z")

</div>

Help. I have my Raspberry Pi set up with Node-Red, Grafana, Mosequetto and InfluxDB, each in a Docker Container. I want to use the Node-Red "exec" node to send a "vcgencmd measure\_temp" to the Raspberry Pi to trend the…

---

## [Connecting Mqttcloud with Node Red](https://discourse.nodered.org/t/connecting-mqttcloud-with-node-red/20461)

<div class="topic-metadata">

**Author:** [@duglas](https://discourse.nodered.org/u/duglas)\
**Replies:** 16\
**Last updated:** [18 January 2020 16:52 UTC](https://discourse.nodered.org/t/connecting-mqttcloud-with-node-red/20461 "2020-01-18T16:52:58Z")

</div>

I have already created the MQTT nodes in NodeRed and configured them appropriately. Now there is a connection between the nodes and CloudMqtt. Even if I implement an mqtt output, I get the right output. However, no data …

---

## [How to handle ETIMEDOUT in Node-RED](https://discourse.nodered.org/t/how-to-handle-etimedout-in-node-red/20533)

<div class="topic-metadata">

**Author:** [@AD3D](https://discourse.nodered.org/u/AD3D)\
**Replies:** 2\
**Last updated:** [18 January 2020 17:43 UTC](https://discourse.nodered.org/t/how-to-handle-etimedout-in-node-red/20533 "2020-01-18T17:43:53Z")

</div>

Once in a while I get a ETIMEDOUT error on a flow that using the http request node (to fetch some values) and the websocket out node (to switch a thing). Sometimes the websocket out node seems to work (can switch the li…

---

## [BME180 processing output for Dashboard](https://discourse.nodered.org/t/bme180-processing-output-for-dashboard/14287)

<div class="topic-metadata">

**Author:** [@BrianD](https://discourse.nodered.org/u/BrianD)\
**Replies:** 21\
**Last updated:** [18 January 2020 16:54 UTC](https://discourse.nodered.org/t/bme180-processing-output-for-dashboard/14287 "2020-01-18T16:54:32Z")

</div>

I'm stuck! I have a BME280 attached to a esp8266 with Tasmota firmware. The Console output is - sensorBME/tele/SENSOR = {"Time":"2019-08-13T17:27:58","BME280":{"Temperature":21.0,"Humidity":56.7,"Pressure":1007.9},"Pr…

---

## [Lost connection to server](https://discourse.nodered.org/t/lost-connection-to-server/20521)

<div class="topic-metadata">

**Author:** [@jiboiaruiva](https://discourse.nodered.org/u/jiboiaruiva)\
**Replies:** 10\
**Last updated:** [18 January 2020 16:37 UTC](https://discourse.nodered.org/t/lost-connection-to-server/20521 "2020-01-18T16:37:11Z")

</div>

I am trying to set a child value in firebase but every time i try to deploy, i receive the message "Lost connection to server", "i am using node-red-contrib-firebase" nothing is show to me different on cmd. I did everyt…

---

## [Global.put not needed as variable altered by reference?](https://discourse.nodered.org/t/global-put-not-needed-as-variable-altered-by-reference/20511)

<div class="topic-metadata">

**Author:** [@coppo23](https://discourse.nodered.org/u/coppo23)\
**Replies:** 8\
**Last updated:** [18 January 2020 10:47 UTC](https://discourse.nodered.org/t/global-put-not-needed-as-variable-altered-by-reference/20511 "2020-01-18T10:47:10Z")

</div>

Hi From a general engineering background and writing a lot of functions in node red and learning as I go. I am very familar with C etc but finding JS a bit obscure at times and would appreciate some help. I understand…

---

## [Edit node config from Dashboard](https://discourse.nodered.org/t/edit-node-config-from-dashboard/20495)

<div class="topic-metadata">

**Author:** [@mtoko](https://discourse.nodered.org/u/mtoko)\
**Replies:** 6\
**Last updated:** [18 January 2020 08:00 UTC](https://discourse.nodered.org/t/edit-node-config-from-dashboard/20495 "2020-01-18T08:00:38Z")

</div>

Hi I am working on the possibility to change the time settings on the BigTimer node from the Dashboard. This would mean changing the values in the config of the node. I have seen this example in the flows library http…

---

## [ElasticSearch APM integration](https://discourse.nodered.org/t/elasticsearch-apm-integration/20526)

<div class="topic-metadata">

**Author:** [@pax](https://discourse.nodered.org/u/pax)\
**Replies:** 0\
**Last updated:** [18 January 2020 05:47 UTC](https://discourse.nodered.org/t/elasticsearch-apm-integration/20526 "2020-01-18T05:47:41Z")

</div>

Has anyone attempted to integrate Elastic Search APM into node red? https://www.elastic.co/guide/en/apm/agent/nodejs/2.x/custom-stack.html

---

## [Node-red-contrib-firebase getting lost connection to server](https://discourse.nodered.org/t/node-red-contrib-firebase-getting-lost-connection-to-server/20518)

<div class="topic-metadata">

**Author:** [@jiboiaruiva](https://discourse.nodered.org/u/jiboiaruiva)\
**Replies:** 0\
**Last updated:** [17 January 2020 22:57 UTC](https://discourse.nodered.org/t/node-red-contrib-firebase-getting-lost-connection-to-server/20518 "2020-01-17T22:57:38Z")

</div>

I am receiving this all the time i want to send information. Don't know what to do.

---

## [First Node Project](https://discourse.nodered.org/t/first-node-project/20512)

<div class="topic-metadata">

**Author:** [@javants](https://discourse.nodered.org/u/javants)\
**Replies:** 1\
**Last updated:** [17 January 2020 22:15 UTC](https://discourse.nodered.org/t/first-node-project/20512 "2020-01-17T22:15:55Z")

</div>

Hello all, I was curious to see if anyone has had experience using node-red with a BannerDXM 100. This is my first time using node-red and would like to potentially shift some projects over to it in the future. I hav…

---

## [RasPi Zero Wlan0( ) connection detecting](https://discourse.nodered.org/t/raspi-zero-wlan0-connection-detecting/20423)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 13\
**Last updated:** [17 January 2020 21:28 UTC](https://discourse.nodered.org/t/raspi-zero-wlan0-connection-detecting/20423 "2020-01-17T21:28:22Z")

</div>

I'm looking how to write some code for my RasPi zero for WiFi connection detection. It connects to my WAP. Originally there is/was the problem if the WAP goes down/up it doesn't reconnect. I dug around and was told th…

---

## [NOAA API FLOW - Just a start](https://discourse.nodered.org/t/noaa-api-flow-just-a-start/20510)

<div class="topic-metadata">

**Author:** [@vlturner](https://discourse.nodered.org/u/vlturner)\
**Replies:** 0\
**Last updated:** [17 January 2020 17:30 UTC](https://discourse.nodered.org/t/noaa-api-flow-just-a-start/20510 "2020-01-17T17:30:26Z")

</div>

I had a little problem with NOAA getting valid data and documentation. So I started to poke their API to figure it out. I started this flow. I need a little help to use what I know so far to use it to build out the URL f…

---

## [Firewall blocking mqtt](https://discourse.nodered.org/t/firewall-blocking-mqtt/20480)

<div class="topic-metadata">

**Author:** [@saeed1](https://discourse.nodered.org/u/saeed1)\
**Replies:** 3\
**Last updated:** [17 January 2020 17:18 UTC](https://discourse.nodered.org/t/firewall-blocking-mqtt/20480 "2020-01-17T17:18:41Z")

</div>

Node red is running on 1880 Mosquitto server is on 1883 InfluxDB is running on 8086 Grafana is running on 8088 They all are running on same machine. I have removed firewall from all these ports but its not working. If …

---

## [Using a form to add a tag to javascript object before saving to influxDB](https://discourse.nodered.org/t/using-a-form-to-add-a-tag-to-javascript-object-before-saving-to-influxdb/20494)

<div class="topic-metadata">

**Author:** [@YLM-UJM](https://discourse.nodered.org/u/YLM-UJM)\
**Replies:** 4\
**Last updated:** [17 January 2020 16:09 UTC](https://discourse.nodered.org/t/using-a-form-to-add-a-tag-to-javascript-object-before-saving-to-influxdb/20494 "2020-01-17T16:09:14Z")

</div>

Hi, I have a flow which generate a javascript object which is data = {x: Math.random(), y: Math.random()); Data is generated every 2 seconds using timestamp node. Then i have user a form, to get the id (name) of the …

[Previous page](https://discourse.nodered.org/c/general/7.md?page=804)

[Next page](https://discourse.nodered.org/c/general/7.md?page=806)