# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1172

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

**Page:** 1173

---

## [CPython and Node-Red](https://discourse.nodered.org/t/cpython-and-node-red/20353)

<div class="topic-metadata">

**Author:** [@vlturner](https://discourse.nodered.org/u/vlturner)\
**Replies:** 5\
**Last updated:** [18 January 2020 20:09 UTC](https://discourse.nodered.org/t/cpython-and-node-red/20353 "2020-01-18T20:09:21Z")

</div>

It seems that Python and Compiled Python along with the optimizers are moving along to the point that we can incorporate compiled code into things like node-red to speed things up. I was wondering how others feel about …

---

## [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…

---

## [How to seperate values from msg.payload?](https://discourse.nodered.org/t/how-to-seperate-values-from-msg-payload/20123)

<div class="topic-metadata">

**Author:** [@Unikumet](https://discourse.nodered.org/u/Unikumet)\
**Replies:** 32\
**Last updated:** [18 January 2020 18:59 UTC](https://discourse.nodered.org/t/how-to-seperate-values-from-msg-payload/20123 "2020-01-18T18:59:04Z")

</div>

Hi all, I am currently working on a project where I am using a Modbus-Read and a Modbus-Response node in order to receive information from an external equipment. The equipment is outputting pulses which are then read b…

---

## [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.

---

## [Question: About jshint:editor of grunt](https://discourse.nodered.org/t/question-about-jshint-editor-of-grunt/20519)

<div class="topic-metadata">

**Author:** [@okhiroyuki](https://discourse.nodered.org/u/okhiroyuki)\
**Replies:** 2\
**Last updated:** [18 January 2020 00:03 UTC](https://discourse.nodered.org/t/question-about-jshint-editor-of-grunt/20519 "2020-01-18T00:03:21Z")

</div>

Hello. I have a question. grunt's jshint:editor seems to look at the old folder structure. There are other similar issues, but I especially focused on jshint:editor because of the default grunt task. Is this a know…

---

## [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…

---

## [New User Tutorial](https://discourse.nodered.org/t/new-user-tutorial/20238)

<div class="topic-metadata">

**Author:** [@vlturner](https://discourse.nodered.org/u/vlturner)\
**Replies:** 16\
**Last updated:** [17 January 2020 22:03 UTC](https://discourse.nodered.org/t/new-user-tutorial/20238 "2020-01-17T22:03:41Z")

</div>

Where is it and how do you get the badge for completing it?

---

## [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…

---

## [Is it possible to add a dependency to a node.js version?](https://discourse.nodered.org/t/is-it-possible-to-add-a-dependency-to-a-node-js-version/20190)

<div class="topic-metadata">

**Author:** [@Achronite](https://discourse.nodered.org/u/Achronite)\
**Replies:** 4\
**Last updated:** [17 January 2020 19:30 UTC](https://discourse.nodered.org/t/is-it-possible-to-add-a-dependency-to-a-node-js-version/20190 "2020-01-17T19:30:11Z")

</div>

My upgraded node-red module requires node v10+ to be able to execute N-API threadsafe functions. Is there a way that this can be specified in the package.json file to prevent users without v10+ performing the upgrade (f…

---

## [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 …

---

## [Home Assistant - Router Reboot with Ping, EXEC and SSH](https://discourse.nodered.org/t/home-assistant-router-reboot-with-ping-exec-and-ssh/20456)

<div class="topic-metadata">

**Author:** [@war1000](https://discourse.nodered.org/u/war1000)\
**Replies:** 8\
**Last updated:** [17 January 2020 14:51 UTC](https://discourse.nodered.org/t/home-assistant-router-reboot-with-ping-exec-and-ssh/20456 "2020-01-17T14:51:14Z")

</div>

Hi Everyone, Hoping to get some direction here. I am trying to create a flow where I ping google every 10 mins, if ping is false, wait another 10 mins, ping again and if false, run ssh command to reboot the router (it a…

---

## [Show dialog node](https://discourse.nodered.org/t/show-dialog-node/20497)

<div class="topic-metadata">

**Author:** [@Ant422](https://discourse.nodered.org/u/Ant422)\
**Replies:** 9\
**Last updated:** [17 January 2020 14:33 UTC](https://discourse.nodered.org/t/show-dialog-node/20497 "2020-01-17T14:33:18Z")

</div>

Hi all, I recently did a fresh install of node red and dashboard. The 'Show Dialog' node seems to be missing. The weird thing is, I imported a flow that I had from the previous version of dashboard which has a 'Show Di…

---

## [UnWanted reset of flow context](https://discourse.nodered.org/t/unwanted-reset-of-flow-context/20438)

<div class="topic-metadata">

**Author:** [@sunsharebox](https://discourse.nodered.org/u/sunsharebox)\
**Replies:** 4\
**Last updated:** [17 January 2020 13:17 UTC](https://discourse.nodered.org/t/unwanted-reset-of-flow-context/20438 "2020-01-17T13:17:48Z")

</div>

Dears, I'm working on a dashboard panel visible below and at http://demo.sunshare.fr The flow variables sometimes disappear for an unidentified reason. It began while working on a template node. The dashboard become em…

---

## [How can i build a random delayed trigger loop?](https://discourse.nodered.org/t/how-can-i-build-a-random-delayed-trigger-loop/3912)

<div class="topic-metadata">

**Author:** [@MarkusR](https://discourse.nodered.org/u/MarkusR)\
**Replies:** 28\
**Last updated:** [17 January 2020 12:57 UTC](https://discourse.nodered.org/t/how-can-i-build-a-random-delayed-trigger-loop/3912 "2020-01-17T12:57:23Z")

</div>

hello, i have the intention to fill a chart with random data. it shall simulate if people done a task it appear in a chart. i have no sucecss with inject & delay node. (at least my chart looks linear slope) i need a …

---

## [Variables with a dot in the name](https://discourse.nodered.org/t/variables-with-a-dot-in-the-name/20478)

<div class="topic-metadata">

**Author:** [@chrisV](https://discourse.nodered.org/u/chrisV)\
**Replies:** 3\
**Last updated:** [17 January 2020 10:50 UTC](https://discourse.nodered.org/t/variables-with-a-dot-in-the-name/20478 "2020-01-17T10:50:55Z")

</div>

Hi, In HomeAssistant, I want to read the value of a global variable that has a dot in the name As an example, I want to: global.get("homeassistant.MyHomeAssistant.states.sun.sun.state"); The problem is the name of th…

---

## [Dynamically change dashboard form label](https://discourse.nodered.org/t/dynamically-change-dashboard-form-label/20486)

<div class="topic-metadata">

**Author:** [@zappogb1](https://discourse.nodered.org/u/zappogb1)\
**Replies:** 1\
**Last updated:** [17 January 2020 10:03 UTC](https://discourse.nodered.org/t/dynamically-change-dashboard-form-label/20486 "2020-01-17T10:03:05Z")

</div>

Is it possible to chance the labels of the ui-dashboard-form node dynamically?

---

## [Separate time stamp and payload from string](https://discourse.nodered.org/t/separate-time-stamp-and-payload-from-string/20425)

<div class="topic-metadata">

**Author:** [@Tarun\_pro\_hit](https://discourse.nodered.org/u/Tarun_pro_hit)\
**Replies:** 3\
**Last updated:** [17 January 2020 09:22 UTC](https://discourse.nodered.org/t/separate-time-stamp-and-payload-from-string/20425 "2020-01-17T09:22:26Z")

</div>

Hello I working on power and some other sensor monitoring application My device is sending value via MQTT with a timestamp, something like this -- 12:38:18:128.79 where {12:38:18} is a timestamp and {128.79} is a valu…

---

## [\[ISSUE\]? why are some of the dashboard buttons in the foreground?](https://discourse.nodered.org/t/issue-why-are-some-of-the-dashboard-buttons-in-the-foreground/20482)

<div class="topic-metadata">

**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 6\
**Last updated:** [17 January 2020 09:27 UTC](https://discourse.nodered.org/t/issue-why-are-some-of-the-dashboard-buttons-in-the-foreground/20482 "2020-01-17T09:27:10Z")

</div>

This is the dashboard : I clic on the picture to enlarge ( it's a UI\_template node with this html code : https://www.w3schools.com/howto/howto\_css\_modal\_images.asp) : Why some buttons are in second layer while othe…

---

## [Flow Context is not available in Node Red Test Helper](https://discourse.nodered.org/t/flow-context-is-not-available-in-node-red-test-helper/20384)

<div class="topic-metadata">

**Author:** [@redmamba](https://discourse.nodered.org/u/redmamba)\
**Replies:** 2\
**Last updated:** [17 January 2020 09:13 UTC](https://discourse.nodered.org/t/flow-context-is-not-available-in-node-red-test-helper/20384 "2020-01-17T09:13:55Z")

</div>

Hey y'all, I have a problem: I implemented some custom nodes, which are basically amqp clients with additional business logic. One function is the following: (input node) Save a value of a header field into the contex…

---

## [Change background color of group](https://discourse.nodered.org/t/change-background-color-of-group/10878)

<div class="topic-metadata">

**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 13\
**Last updated:** [17 January 2020 07:36 UTC](https://discourse.nodered.org/t/change-background-color-of-group/10878 "2020-01-17T07:36:43Z")

</div>

is there a way to change the background color of group ? there's no id in md-card, even the class doesn't work !!

---

## [Node-red-node-pi-gpio: open collector output](https://discourse.nodered.org/t/node-red-node-pi-gpio-open-collector-output/20031)

<div class="topic-metadata">

**Author:** [@tkanjar](https://discourse.nodered.org/u/tkanjar)\
**Replies:** 5\
**Last updated:** [17 January 2020 01:01 UTC](https://discourse.nodered.org/t/node-red-node-pi-gpio-open-collector-output/20031 "2020-01-17T01:01:59Z")

</div>

"node-red-node-pi-gpio" can not use the open collector output. I think it is useful for industrial equipments. Incidentally, for workaround, I used the exec node and write shell command to implement corrector output.

[Previous page](https://discourse.nodered.org/latest.md?page=1171)

[Next page](https://discourse.nodered.org/latest.md?page=1173)