# Latest

**URL:** https://discourse.nodered.org/latest.md?page=413

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

**Page:** 414

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## [Can I read data in Alexa (thermostat temperatures) from Node-RED?](https://discourse.nodered.org/t/can-i-read-data-in-alexa-thermostat-temperatures-from-node-red/74045)

<div class="topic-metadata">

**Author:** [@hoegge](https://discourse.nodered.org/u/hoegge)\
**Replies:** 2\
**Last updated:** [22 January 2023 13:29 UTC](https://discourse.nodered.org/t/can-i-read-data-in-alexa-thermostat-temperatures-from-node-red/74045 "2023-01-22T13:29:15Z")

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My Danfoss thermostats can be added to Alexa, so I can see and set temperatures. I just use Alexa on my phone. Is there any way to read these values from Node-Red? Thanks in advance

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## [Create hexadecimal number \[modbus ID\] to byte array](https://discourse.nodered.org/t/create-hexadecimal-number-modbus-id-to-byte-array/73985)

<div class="topic-metadata">

**Author:** [@Guudiin](https://discourse.nodered.org/u/Guudiin)\
**Replies:** 1\
**Last updated:** [22 January 2023 11:44 UTC](https://discourse.nodered.org/t/create-hexadecimal-number-modbus-id-to-byte-array/73985 "2023-01-22T11:44:45Z")

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I need to select different ids in the dashboard and convert this value to be accepted in Buffer.from I'm leaving an example of what I'm trying to build. Help !!! \[{"id":"47900d60d1fbef96","type":"tab","label":"Flow 2",…

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## [Node-Red and Cloudflare Dashboard Issue](https://discourse.nodered.org/t/node-red-and-cloudflare-dashboard-issue/74008)

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**Author:** [@domingo](https://discourse.nodered.org/u/domingo)\
**Replies:** 3\
**Last updated:** [22 January 2023 11:33 UTC](https://discourse.nodered.org/t/node-red-and-cloudflare-dashboard-issue/74008 "2023-01-22T11:33:28Z")

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Hi everyone. I have Home Assistant OS installed on a mini PC. Everything was working perfectly, and I could access the Node-red dashboard without problems. But a few weeks ago I created my own domain and configured ac…

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## [\[PSA\] Setup tab in the function node](https://discourse.nodered.org/t/psa-setup-tab-in-the-function-node/74044)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 0\
**Last updated:** [22 January 2023 09:08 UTC](https://discourse.nodered.org/t/psa-setup-tab-in-the-function-node/74044 "2023-01-22T09:08:43Z")

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Just a PSA (public service announcement :')) I don't know how often people use the 'Setup' tab in the function node, but it is truly amazing and perhaps underappreciated (?) Example; I have a Milight which is a light t…

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## [I cant fine count](https://discourse.nodered.org/t/i-cant-fine-count/74042)

<div class="topic-metadata">

**Author:** [@fernppc](https://discourse.nodered.org/u/fernppc)\
**Replies:** 1\
**Last updated:** [22 January 2023 09:10 UTC](https://discourse.nodered.org/t/i-cant-fine-count/74042 "2023-01-22T09:10:26Z")

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Cannot find name 'count'.(2304)

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## [How to cancel HTTP Request](https://discourse.nodered.org/t/how-to-cancel-http-request/73733)

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**Author:** [@ralbright-wa](https://discourse.nodered.org/u/ralbright-wa)\
**Replies:** 4\
**Last updated:** [22 January 2023 08:28 UTC](https://discourse.nodered.org/t/how-to-cancel-http-request/73733 "2023-01-22T08:28:38Z")

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I am using HTTP Request to send aRest commands to some arduinos. These commands initiate a reset of the arduino, however I do not get a response (for obvious reasons) from the Arduino, and so each of the HTTP Requests ev…

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## [Can't Receive Simple Serial Comm on Raspberry Pi](https://discourse.nodered.org/t/cant-receive-simple-serial-comm-on-raspberry-pi/74026)

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**Author:** [@Gump](https://discourse.nodered.org/u/Gump)\
**Replies:** 1\
**Last updated:** [22 January 2023 08:00 UTC](https://discourse.nodered.org/t/cant-receive-simple-serial-comm-on-raspberry-pi/74026 "2023-01-22T08:00:58Z")

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I'm brand new to Node-RED and serial communication setups. I have two Raspberry Pis and I'm attempting to get them to communicate via serial ports. One Pi is using an RS485 CAN HAT, and the other Pi is using a DTech US…

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## [Trying to access a remote MySQL database](https://discourse.nodered.org/t/trying-to-access-a-remote-mysql-database/17058)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 6\
**Last updated:** [22 January 2023 07:45 UTC](https://discourse.nodered.org/t/trying-to-access-a-remote-mysql-database/17058 "2023-01-22T07:45:03Z")

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I'm trying to set-up access (for my IoT students) to a remote MySQL database that has been recording readings from our weather station. I've written the NR flow and got everything working from my home using node-red-nod…

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## [Problem after changing IP address](https://discourse.nodered.org/t/problem-after-changing-ip-address/74031)

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**Author:** [@neilsonwheels](https://discourse.nodered.org/u/neilsonwheels)\
**Replies:** 1\
**Last updated:** [22 January 2023 05:27 UTC](https://discourse.nodered.org/t/problem-after-changing-ip-address/74031 "2023-01-22T05:27:53Z")

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I'm running Nodered in a docker instance to automate my Home Assistant devices. I just changed my docker host IP address and I have a few issues. I can log into the Nodered dashboard and see my flows, but there is no c…

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## [Persist variables - Flowforge](https://discourse.nodered.org/t/persist-variables-flowforge/73829)

<div class="topic-metadata">

**Author:** [@allacmc](https://discourse.nodered.org/u/allacmc)\
**Replies:** 13\
**Last updated:** [22 January 2023 03:13 UTC](https://discourse.nodered.org/t/persist-variables-flowforge/73829 "2023-01-22T03:13:47Z")

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I'm in need of help with flow-forge. When I get the variables like this. flowforge gives an error. Guy Ben said it's a flowforge bug that would be fixed later. How can I get around this problem? in short time. …

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## [Aqara window contact](https://discourse.nodered.org/t/aqara-window-contact/74001)

<div class="topic-metadata">

**Author:** [@ChrisF](https://discourse.nodered.org/u/ChrisF)\
**Replies:** 2\
**Last updated:** [21 January 2023 21:56 UTC](https://discourse.nodered.org/t/aqara-window-contact/74001 "2023-01-21T21:56:58Z")

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Hello, I have an Arara window contact that sends the following values: I want to display the plant "contact" in debug so that only TRUE or FALSE is displayed or ON or OFF. Can anyone help me with this?

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## [Remove Marker from Worldmap](https://discourse.nodered.org/t/remove-marker-from-worldmap/73993)

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**Author:** [@Zak](https://discourse.nodered.org/u/Zak)\
**Replies:** 7\
**Last updated:** [21 January 2023 21:18 UTC](https://discourse.nodered.org/t/remove-marker-from-worldmap/73993 "2023-01-21T21:18:28Z")

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hi. i am receiving an array of points with lat and lon locations from a database, and i am able to plot them on the worldmap, my problem is the following: 1- my query perform an update using a time interval (every 3 Se…

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## [Why cant i call Globalvariable in another function?](https://discourse.nodered.org/t/why-cant-i-call-globalvariable-in-another-function/74018)

<div class="topic-metadata">

**Author:** [@rizkiaswangga](https://discourse.nodered.org/u/rizkiaswangga)\
**Replies:** 1\
**Last updated:** [21 January 2023 20:46 UTC](https://discourse.nodered.org/t/why-cant-i-call-globalvariable-in-another-function/74018 "2023-01-21T20:46:29Z")

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Hello everybody..... I'm new to Node-Red and new to the forum, so this is the first time posting on this forum :wink: so, i'm trying to make a Global Variable on "function 4", which the later can be accessed on the "fu…

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## [Buffer parser support - to get the correct 32bit float value](https://discourse.nodered.org/t/buffer-parser-support-to-get-the-correct-32bit-float-value/74012)

<div class="topic-metadata">

**Author:** [@GuE](https://discourse.nodered.org/u/GuE)\
**Replies:** 3\
**Last updated:** [21 January 2023 15:14 UTC](https://discourse.nodered.org/t/buffer-parser-support-to-get-the-correct-32bit-float-value/74012 "2023-01-21T15:14:32Z")

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Hello. Not able to manage the correct setting for the buffer parser. Reading following addresses from my device: Message from the debug node when I am reading the device. {"topic":"c32e7007f4323d53","messageId":"63…

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## [Beginner - merge 2 CSV files containing time stamp and temperature to one chart](https://discourse.nodered.org/t/beginner-merge-2-csv-files-containing-time-stamp-and-temperature-to-one-chart/74011)

<div class="topic-metadata">

**Author:** [@Georg](https://discourse.nodered.org/u/Georg)\
**Replies:** 2\
**Last updated:** [21 January 2023 14:53 UTC](https://discourse.nodered.org/t/beginner-merge-2-csv-files-containing-time-stamp-and-temperature-to-one-chart/74011 "2023-01-21T14:53:00Z")

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Hello everybody, I would like to merge the content of 2 CSV files containing time stamp and temperature value in one chart. I'm trying around for several hours now, nothing works. If I try to join the 2 data, just the s…

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## [Driving me bonkers! "Using unencrypted credentials"](https://discourse.nodered.org/t/driving-me-bonkers-using-unencrypted-credentials/73072)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 8\
**Last updated:** [21 January 2023 14:23 UTC](https://discourse.nodered.org/t/driving-me-bonkers-using-unencrypted-credentials/73072 "2023-01-21T14:23:14Z")

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Do we have to have this pasted to the debug panel every single time node-red is restarted?! I'm working in a dev environment and I don't want to be annoyed by this each time. Could we please have a way to supress it? I …

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## [How to setup ESP32CAM for measurement capturing?](https://discourse.nodered.org/t/how-to-setup-esp32cam-for-measurement-capturing/71589)

<div class="topic-metadata">

**Author:** [@pie25](https://discourse.nodered.org/u/pie25)\
**Replies:** 5\
**Last updated:** [21 January 2023 13:14 UTC](https://discourse.nodered.org/t/how-to-setup-esp32cam-for-measurement-capturing/71589 "2023-01-21T13:14:27Z")

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Hi everyone. I need some suggestions regarding my project. I want to set up an ESP32CAM to capture images of reading on a fuel station pump and want to display it in the Node-RED dashboard. Is there any suggestion to le…

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## [Chart.js object in \<head\>](https://discourse.nodered.org/t/chart-js-object-in-head/73989)

<div class="topic-metadata">

**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 5\
**Last updated:** [21 January 2023 12:57 UTC](https://discourse.nodered.org/t/chart-js-object-in-head/73989 "2023-01-21T12:57:49Z")

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I can get a chart.js object to render in the dashboard...However I would like to put it in the section. Is this possible? Regards

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## [Dashboard layout issues if layout is more than 30](https://discourse.nodered.org/t/dashboard-layout-issues-if-layout-is-more-than-30/74003)

<div class="topic-metadata">

**Author:** [@KarolisL](https://discourse.nodered.org/u/KarolisL)\
**Replies:** 0\
**Last updated:** [21 January 2023 11:39 UTC](https://discourse.nodered.org/t/dashboard-layout-issues-if-layout-is-more-than-30/74003 "2023-01-21T11:39:26Z")

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Hello, widgets get stretched in layout visualization and it is not possible to snap to grid correctly (dashboard itself is fine) is it a bug or am I missing something with my setup? \[{"id":"180cae653e190de9","type":…

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## [Reset status HTTP node](https://discourse.nodered.org/t/reset-status-http-node/73997)

<div class="topic-metadata">

**Author:** [@s1nbad](https://discourse.nodered.org/u/s1nbad)\
**Replies:** 2\
**Last updated:** [21 January 2023 10:28 UTC](https://discourse.nodered.org/t/reset-status-http-node/73997 "2023-01-21T10:28:45Z")

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Is there a way to reset the status of an HTTP node ? After a flow of POST requests if there is an error then this is shown in red under the HTTP node (eg: EHOSTUNREACH) - how to remove ? I have tried sending a blank …

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## [\`new tab\` button to make new tab BESIDE existing one](https://discourse.nodered.org/t/new-tab-button-to-make-new-tab-beside-existing-one/73999)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [21 January 2023 10:23 UTC](https://discourse.nodered.org/t/new-tab-button-to-make-new-tab-beside-existing-one/73999 "2023-01-21T10:23:11Z")

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I am sure I read it somewhere. But where that is/was .... is beyond me. I want to add a new tab but have it appear beside the one that is active. Sorry, but how is that done? (If possible)

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## [Zigbee2mqtt aqara cube nodered](https://discourse.nodered.org/t/zigbee2mqtt-aqara-cube-nodered/19260)

<div class="topic-metadata">

**Author:** [@berndmoerstedt](https://discourse.nodered.org/u/berndmoerstedt)\
**Replies:** 6\
**Last updated:** [21 January 2023 09:56 UTC](https://discourse.nodered.org/t/zigbee2mqtt-aqara-cube-nodered/19260 "2023-01-21T09:56:44Z")

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Hi, I' a newbie on nodered. I try to switch my aqara-plug through my aqara-cube. Cube and plug are already registered on zigbee2mqtt (raspi). By Alexa-node and mqtt-out I can switch the plug already by voice. These co…

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## [Action to be triggered when the power consumption is decreasing?](https://discourse.nodered.org/t/action-to-be-triggered-when-the-power-consumption-is-decreasing/73557)

<div class="topic-metadata">

**Author:** [@BernardS](https://discourse.nodered.org/u/BernardS)\
**Replies:** 8\
**Last updated:** [21 January 2023 08:41 UTC](https://discourse.nodered.org/t/action-to-be-triggered-when-the-power-consumption-is-decreasing/73557 "2023-01-21T08:41:32Z")

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Hello Fellow Node Red users, I got a 3D Printer for Xmas, all works fine. I would like to get a notification when the printing is done. For sure, the straight way with Octoprint and the Home assistant it's easy, did a …

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## [Is RED.tray public? and general custom tab discussion](https://discourse.nodered.org/t/is-red-tray-public-and-general-custom-tab-discussion/73983)

<div class="topic-metadata">

**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 4\
**Last updated:** [20 January 2023 23:16 UTC](https://discourse.nodered.org/t/is-red-tray-public-and-general-custom-tab-discussion/73983 "2023-01-20T23:16:09Z")

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So... I am working on a MASSIVE refactor, and want to ensure I use API's that are designed for custom nodes. to date, I use: RED.tabs RED.comms My custom tab opens up jQuery dialogs, but I am always cautions, if thi…

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## [Check if call service was successful](https://discourse.nodered.org/t/check-if-call-service-was-successful/73986)

<div class="topic-metadata">

**Author:** [@Rhysgh](https://discourse.nodered.org/u/Rhysgh)\
**Replies:** 5\
**Last updated:** [20 January 2023 21:20 UTC](https://discourse.nodered.org/t/check-if-call-service-was-successful/73986 "2023-01-20T21:20:42Z")

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Hi I'm looking for recommendations for checking that a call service was successful Yes I can wait 5 min and check the state but I'm looking for a very fast method

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## [Add an element on the go based on the value of msg.payload](https://discourse.nodered.org/t/add-an-element-on-the-go-based-on-the-value-of-msg-payload/73930)

<div class="topic-metadata">

**Author:** [@vongomben](https://discourse.nodered.org/u/vongomben)\
**Replies:** 3\
**Last updated:** [20 January 2023 19:33 UTC](https://discourse.nodered.org/t/add-an-element-on-the-go-based-on-the-value-of-msg-payload/73930 "2023-01-20T19:33:56Z")

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Hi! Apologies in advance, this may sound a simple question. I would like to now how to create an element of msg.payload (or better, global.payload) based on the value of msg.payload. In other words: I am receiving a …

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## [How to get environment variables in a custom node](https://discourse.nodered.org/t/how-to-get-environment-variables-in-a-custom-node/73525)

<div class="topic-metadata">

**Author:** [@LeungChunChiu](https://discourse.nodered.org/u/LeungChunChiu)\
**Replies:** 6\
**Last updated:** [20 January 2023 19:09 UTC](https://discourse.nodered.org/t/how-to-get-environment-variables-in-a-custom-node/73525 "2023-01-20T19:09:46Z")

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Hello, I created a custom node, but I don't know how to access environment variables in the custom node pls help, thanks!

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## [Dynamically change dashboard menu names without change of UI tab name](https://discourse.nodered.org/t/dynamically-change-dashboard-menu-names-without-change-of-ui-tab-name/73876)

<div class="topic-metadata">

**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 12\
**Last updated:** [20 January 2023 18:04 UTC](https://discourse.nodered.org/t/dynamically-change-dashboard-menu-names-without-change-of-ui-tab-name/73876 "2023-01-20T18:04:36Z")

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Anybody knows, if it is possible to dynamically change some menu item names in node red dashboard, independent of the UI tab name? In fact giving them an alias.

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## [DNS retry on HTTP Request node](https://discourse.nodered.org/t/dns-retry-on-http-request-node/73967)

<div class="topic-metadata">

**Author:** [@rasmus](https://discourse.nodered.org/u/rasmus)\
**Replies:** 2\
**Last updated:** [20 January 2023 17:42 UTC](https://discourse.nodered.org/t/dns-retry-on-http-request-node/73967 "2023-01-20T17:42:38Z")

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Now and then I get intemittent DNS errors resulting in the node throwing an error. Because this is intermittend I have build my own retry flow using catch node etc. This seems a bit bulky for a simple retry functionalit…

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## [Scaling a RAW input value?](https://discourse.nodered.org/t/scaling-a-raw-input-value/73979)

<div class="topic-metadata">

**Author:** [@damica51](https://discourse.nodered.org/u/damica51)\
**Replies:** 2\
**Last updated:** [20 January 2023 17:01 UTC](https://discourse.nodered.org/t/scaling-a-raw-input-value/73979 "2023-01-20T17:01:28Z")

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I've looked "High" and "Low" on how to get this done but have not found anything. Can someone please suggest a place for me to start. This is what I want to get done. I am reading an Analog Input (4-20ma) sensor my RA…

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