# Latest

**URL:** https://discourse.nodered.org/latest.md?page=930

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

**Page:** 931

---

## [Timestamp at text node](https://discourse.nodered.org/t/timestamp-at-text-node/37698)

<div class="topic-metadata">

**Author:** [@MKaiser96](https://discourse.nodered.org/u/MKaiser96)\
**Replies:** 1\
**Last updated:** [18 December 2020 15:02 UTC](https://discourse.nodered.org/t/timestamp-at-text-node/37698 "2020-12-18T15:02:11Z")

</div>

Hi, I want to build a dashboard. Usually I use the text node to visualize my states. Is there any chance to show the timestamp of the last changing of the state? I mean something like this app:

---

## [BACnet MSTP read request](https://discourse.nodered.org/t/bacnet-mstp-read-request/37199)

<div class="topic-metadata">

**Author:** [@bbartling](https://discourse.nodered.org/u/bbartling)\
**Replies:** 13\
**Last updated:** [18 December 2020 14:59 UTC](https://discourse.nodered.org/t/bacnet-mstp-read-request/37199 "2020-12-18T14:59:19Z")

</div>

Hello, Brand new to node red, looks cool :slight\_smile: Could someone give me a tip on how to make a BACnet read request of a BACnet MSTP controller temp sensor? BACnet device 201201 on MSTP network 12345 controller h…

---

## [Retrieve the maximum temperature values for each month of the year](https://discourse.nodered.org/t/retrieve-the-maximum-temperature-values-for-each-month-of-the-year/37636)

<div class="topic-metadata">

**Author:** [@roro50](https://discourse.nodered.org/u/roro50)\
**Replies:** 50\
**Last updated:** [18 December 2020 14:58 UTC](https://discourse.nodered.org/t/retrieve-the-maximum-temperature-values-for-each-month-of-the-year/37636 "2020-12-18T14:58:50Z")

</div>

Hello, I am a beginner, and I am trying to memorize the temperature of my sensor (max value) for each month. example: January: max temp 6.5 ° c february: max temp 12.4 ° I found the way to get the month and the tempe…

---

## [Multiple cases with multiple actions](https://discourse.nodered.org/t/multiple-cases-with-multiple-actions/37704)

<div class="topic-metadata">

**Author:** [@danny20](https://discourse.nodered.org/u/danny20)\
**Replies:** 6\
**Last updated:** [18 December 2020 14:25 UTC](https://discourse.nodered.org/t/multiple-cases-with-multiple-actions/37704 "2020-12-18T14:25:20Z")

</div>

Hello everybody, I don't have programming experience and I need your help. I am using node-red to analyze a tcp-output string that includes this sequence: "00000000" (8 characters). This is sent by an electronic card t…

---

## [Can't communicate with postgres database](https://discourse.nodered.org/t/cant-communicate-with-postgres-database/37701)

<div class="topic-metadata">

**Author:** [@serry69](https://discourse.nodered.org/u/serry69)\
**Replies:** 0\
**Last updated:** [18 December 2020 11:14 UTC](https://discourse.nodered.org/t/cant-communicate-with-postgres-database/37701 "2020-12-18T11:14:11Z")

</div>

Hallo community, I have to make some query from node-red to postgres V12. I have done a very simple flow but it doesn't work at all. There is no query that exit from PC (PostGres in on other PC and firewall is down on bo…

---

## [Clone a previous configuration: restore flows\_raspberrypi.json is enough?](https://discourse.nodered.org/t/clone-a-previous-configuration-restore-flows-raspberrypi-json-is-enough/10791)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 3\
**Last updated:** [18 December 2020 11:07 UTC](https://discourse.nodered.org/t/clone-a-previous-configuration-restore-flows-raspberrypi-json-is-enough/10791 "2020-12-18T11:07:10Z")

</div>

Hi mates, yesterday for the first time I restored flow from a clipboard backup. All was fine exept one module, which communicates with Amazon Echo. After the restore Alexa couldn't control more the modules, I think beca…

---

## [How to time difference using CoAP](https://discourse.nodered.org/t/how-to-time-difference-using-coap/37656)

<div class="topic-metadata">

**Author:** [@sura45](https://discourse.nodered.org/u/sura45)\
**Replies:** 4\
**Last updated:** [18 December 2020 10:17 UTC](https://discourse.nodered.org/t/how-to-time-difference-using-coap/37656 "2020-12-18T10:17:10Z")

</div>

I want to get time1 which is the sending time(in milliseconds) and time2 for received time to calculate the time it takes to receive packet data. However, I am only getting one time(for received time) . Can anyone sugg…

---

## [Set Global context variable using Http request](https://discourse.nodered.org/t/set-global-context-variable-using-http-request/37672)

<div class="topic-metadata">

**Author:** [@Tombcat](https://discourse.nodered.org/u/Tombcat)\
**Replies:** 9\
**Last updated:** [18 December 2020 09:58 UTC](https://discourse.nodered.org/t/set-global-context-variable-using-http-request/37672 "2020-12-18T09:58:44Z")

</div>

Hello i want to change the global variable in the flow using the http request. I already saw it's possible to GET flow global variable using HTTP request. Also i have checked that it's possible to send POST/PUT request…

---

## [Retrieve data in mysql and return this data in http repsonse](https://discourse.nodered.org/t/retrieve-data-in-mysql-and-return-this-data-in-http-repsonse/37606)

<div class="topic-metadata">

**Author:** [@LordLee123](https://discourse.nodered.org/u/LordLee123)\
**Replies:** 5\
**Last updated:** [18 December 2020 07:09 UTC](https://discourse.nodered.org/t/retrieve-data-in-mysql-and-return-this-data-in-http-repsonse/37606 "2020-12-18T07:09:07Z")

</div>

Hi, I made a http request endpoint to retrieve data in mysql and return this data in http repsonse. But seems like that it doesn't work. I can get data from mysql .But No way to reply .

---

## [Email node: Can the sender information and password have been entered?](https://discourse.nodered.org/t/email-node-can-the-sender-information-and-password-have-been-entered/37604)

<div class="topic-metadata">

**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 3\
**Last updated:** [18 December 2020 01:14 UTC](https://discourse.nodered.org/t/email-node-can-the-sender-information-and-password-have-been-entered/37604 "2020-12-18T01:14:12Z")

</div>

Hi, I want to evaluate whether the sender information and password have been entered in the email node. Is that possible? Thanks in advance!

---

## [Dictionary object in Context](https://discourse.nodered.org/t/dictionary-object-in-context/37628)

<div class="topic-metadata">

**Author:** [@zoltansz](https://discourse.nodered.org/u/zoltansz)\
**Replies:** 14\
**Last updated:** [17 December 2020 21:00 UTC](https://discourse.nodered.org/t/dictionary-object-in-context/37628 "2020-12-17T21:00:14Z")

</div>

Hi there, I connected my flow to my paradox alarm system. It sends events when a door or window is opened or closed. I would like to keep the states of all sensors in a dictionary that is available for all my flows. I…

---

## [Is there a way to show title bar after signing in?](https://discourse.nodered.org/t/is-there-a-way-to-show-title-bar-after-signing-in/37679)

<div class="topic-metadata">

**Author:** [@lukaskasc](https://discourse.nodered.org/u/lukaskasc)\
**Replies:** 0\
**Last updated:** [17 December 2020 20:52 UTC](https://discourse.nodered.org/t/is-there-a-way-to-show-title-bar-after-signing-in/37679 "2020-12-17T20:52:46Z")

</div>

Hello I'm doing some fiddling with log in screen and noticed that you can turn off the title bar that you could not go to any flow till you log in. I was wandering is it possible after logging in that the title bar could…

---

## [Flow is not loading after project copied to another pc](https://discourse.nodered.org/t/flow-is-not-loading-after-project-copied-to-another-pc/37674)

<div class="topic-metadata">

**Author:** [@Norberg95](https://discourse.nodered.org/u/Norberg95)\
**Replies:** 3\
**Last updated:** [17 December 2020 20:43 UTC](https://discourse.nodered.org/t/flow-is-not-loading-after-project-copied-to-another-pc/37674 "2020-12-17T20:43:04Z")

</div>

I would like to copy my app with embedded node-red to another pc, but when I start the app on the new pc node-red is not loading my flows. Everything is loading perfectly, I have all the installed community nodes in the …

---

## [MicroPi not running properly](https://discourse.nodered.org/t/micropi-not-running-properly/37408)

<div class="topic-metadata">

**Author:** [@kart-able](https://discourse.nodered.org/u/kart-able)\
**Replies:** 32\
**Last updated:** [17 December 2020 18:58 UTC](https://discourse.nodered.org/t/micropi-not-running-properly/37408 "2020-12-17T18:58:04Z")

</div>

Hello to all, I am trying to have MicroPi work, but I can't. Why is that? Is there something specific I must undestand before? I have tried with the MicroPi Microphone Wav-Filewriter \[Demo Flow\] and of course installed…

---

## [How to send "False" when there is no Flow?](https://discourse.nodered.org/t/how-to-send-false-when-there-is-no-flow/37593)

<div class="topic-metadata">

**Author:** [@Steinspiel](https://discourse.nodered.org/u/Steinspiel)\
**Replies:** 8\
**Last updated:** [17 December 2020 18:29 UTC](https://discourse.nodered.org/t/how-to-send-false-when-there-is-no-flow/37593 "2020-12-17T18:29:10Z")

</div>

Hello, I would be happy if someone can help me solve my problem. An "mqtt-in" receives every five seconds the signal strength of my Bluetooth device. If the "MQTT broker" sends "-67", for example, the "switch-node" fo…

---

## [Using Google Sheets to Manage Configs and 'Array of Objects' Data](https://discourse.nodered.org/t/using-google-sheets-to-manage-configs-and-array-of-objects-data/37661)

<div class="topic-metadata">

**Author:** [@dudleyjosh](https://discourse.nodered.org/u/dudleyjosh)\
**Replies:** 5\
**Last updated:** [17 December 2020 18:07 UTC](https://discourse.nodered.org/t/using-google-sheets-to-manage-configs-and-array-of-objects-data/37661 "2020-12-17T18:07:37Z")

</div>

I'm just sharing a pattern I've used over-and-over with my various Node-RED projects that has worked really well for me in case others might find it useful (or perhaps this is commonplace and I am just late to the game). …

---

## [Best practice for creating APIs that can be called from other domains](https://discourse.nodered.org/t/best-practice-for-creating-apis-that-can-be-called-from-other-domains/37657)

<div class="topic-metadata">

**Author:** [@tim-m](https://discourse.nodered.org/u/tim-m)\
**Replies:** 1\
**Last updated:** [17 December 2020 18:03 UTC](https://discourse.nodered.org/t/best-practice-for-creating-apis-that-can-be-called-from-other-domains/37657 "2020-12-17T18:03:01Z")

</div>

Hi! I'm building a number of APIs via NodeRED (on a Cloud) that I want to expose and want to get it right in terms of security and cors. I've secured the routes exposed by the HTTP In nodes using basic authentication. I …

---

## [Have Objects in msg, need to take actions based on one of the payload codes](https://discourse.nodered.org/t/have-objects-in-msg-need-to-take-actions-based-on-one-of-the-payload-codes/37451)

<div class="topic-metadata">

**Author:** [@Tomadoggy](https://discourse.nodered.org/u/Tomadoggy)\
**Replies:** 63\
**Last updated:** [17 December 2020 17:09 UTC](https://discourse.nodered.org/t/have-objects-in-msg-need-to-take-actions-based-on-one-of-the-payload-codes/37451 "2020-12-17T17:09:45Z")

</div>

Hello, I am using rtl\_433 in my node red project and have the need to take actions within node red based upon the data within payload.code of my (msg.payload : Object). Here is an example of the message from the rtl\_433…

---

## [Change the tab webpage (dashboard) every 6 seconds](https://discourse.nodered.org/t/change-the-tab-webpage-dashboard-every-6-seconds/37638)

<div class="topic-metadata">

**Author:** [@RAULXXX](https://discourse.nodered.org/u/RAULXXX)\
**Replies:** 9\
**Last updated:** [17 December 2020 15:38 UTC](https://discourse.nodered.org/t/change-the-tab-webpage-dashboard-every-6-seconds/37638 "2020-12-17T15:38:28Z")

</div>

Hi everyone, The issue that i am trying to solve is that i have 3 different urls with dashboards and i want to show one and switching to the others every 5 seconds. How i can do it in a node-red ui to show a website a…

---

## [MQTT in Node - sort/switch the input](https://discourse.nodered.org/t/mqtt-in-node-sort-switch-the-input/37603)

<div class="topic-metadata">

**Author:** [@vikozo](https://discourse.nodered.org/u/vikozo)\
**Replies:** 7\
**Last updated:** [17 December 2020 15:03 UTC](https://discourse.nodered.org/t/mqtt-in-node-sort-switch-the-input/37603 "2020-12-17T15:03:20Z")

</div>

Hello i have some msg.payload coming from a Raspi-with433MHz Dongel. They nicely drop in Node Red MQTT IN with output a parsed JSON object The Question how do i splitt the Message to use them and later add to InfluxDB…

---

## [Logger Enhancement](https://discourse.nodered.org/t/logger-enhancement/37649)

<div class="topic-metadata">

**Author:** [@Kib](https://discourse.nodered.org/u/Kib)\
**Replies:** 0\
**Last updated:** [17 December 2020 14:24 UTC](https://discourse.nodered.org/t/logger-enhancement/37649 "2020-12-17T14:24:08Z")

</div>

Situation first off, I am aware that the node-red documentation states this clearly "There are some reserved names for properties that must not be used. These are: Any single character - x, y, z, d, g, l are already use…

---

## [Http-in get Request IP/Address](https://discourse.nodered.org/t/http-in-get-request-ip-address/3067)

<div class="topic-metadata">

**Author:** [@gdomod](https://discourse.nodered.org/u/gdomod)\
**Replies:** 3\
**Last updated:** [17 December 2020 14:29 UTC](https://discourse.nodered.org/t/http-in-get-request-ip-address/3067 "2020-12-17T14:29:00Z")

</div>

Hi there, its possible to get the client ip address at request ? i read that http-in based on expressjs but there is no msg.req.ip can anybody help me please

---

## [Reseting context at beginning of flow](https://discourse.nodered.org/t/reseting-context-at-beginning-of-flow/37308)

<div class="topic-metadata">

**Author:** [@Present](https://discourse.nodered.org/u/Present)\
**Replies:** 10\
**Last updated:** [17 December 2020 14:28 UTC](https://discourse.nodered.org/t/reseting-context-at-beginning-of-flow/37308 "2020-12-17T14:28:43Z")

</div>

I have a function node where I use the context to save the information of several incoming messages. But I figured that the context lives, still after the flow restartet. Is there an elegant way of doing that? Here is …

---

## [Uninstalling uibuilder node](https://discourse.nodered.org/t/uninstalling-uibuilder-node/37594)

<div class="topic-metadata">

**Author:** [@adamelli](https://discourse.nodered.org/u/adamelli)\
**Replies:** 18\
**Last updated:** [17 December 2020 14:03 UTC](https://discourse.nodered.org/t/uninstalling-uibuilder-node/37594 "2020-12-17T14:03:37Z")

</div>

I was trying to get the uibuilder node to work to implement a custom dashboard. I got to this page: So instead, at first I tried removing and disabling from the Palette. Then I did this: npm uninstall node-red-con…

---

## [KerlinkGateway - Installation of node red](https://discourse.nodered.org/t/kerlinkgateway-installation-of-node-red/37580)

<div class="topic-metadata">

**Author:** [@cichy28](https://discourse.nodered.org/u/cichy28)\
**Replies:** 6\
**Last updated:** [17 December 2020 13:54 UTC](https://discourse.nodered.org/t/kerlinkgateway-installation-of-node-red/37580 "2020-12-17T13:54:57Z")

</div>

Hello, I would like to install node-red on Kerlink iFemtoCell-evolution 868. I managed to install node.js and npm manually but when I try to install node-red I receive errors like in code below. Can anyone help me to …

---

## [Node-red-node-annotate-image (enhancments)](https://discourse.nodered.org/t/node-red-node-annotate-image-enhancments/37581)

<div class="topic-metadata">

**Author:** [@meeki007](https://discourse.nodered.org/u/meeki007)\
**Replies:** 3\
**Last updated:** [17 December 2020 13:41 UTC](https://discourse.nodered.org/t/node-red-node-annotate-image-enhancments/37581 "2020-12-17T13:41:51Z")

</div>

Changes I've made - awaiting your approval to send pull request. https://github.com/meeki007/node-red-nodes/tree/master/utility/annotate-image I love this node but it looks funny with the words inside the box. I…

---

## [Select audio output](https://discourse.nodered.org/t/select-audio-output/37483)

<div class="topic-metadata">

**Author:** [@Andrefs](https://discourse.nodered.org/u/Andrefs)\
**Replies:** 2\
**Last updated:** [17 December 2020 13:19 UTC](https://discourse.nodered.org/t/select-audio-output/37483 "2020-12-17T13:19:47Z")

</div>

Hello everyone, I want to play music (probably from youtube or Spotify in the future) in a desktop using node red. My ideia is to use multiple outputs in order to select which outputs i want to play in that moment. Som…

---

## [Set Initial State of Dashboard Switch](https://discourse.nodered.org/t/set-initial-state-of-dashboard-switch/12913)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 11\
**Last updated:** [17 December 2020 13:18 UTC](https://discourse.nodered.org/t/set-initial-state-of-dashboard-switch/12913 "2020-12-17T13:18:00Z")

</div>

Guys, i have just started using the Dashboard Switch component and would like to be able to set its iniitial state after a Node-Red restart/reload/reboot to the same as the real world device that it is controlling. Likew…

---

## [Communication between Iot2000 and PLC S7-1500](https://discourse.nodered.org/t/communication-between-iot2000-and-plc-s7-1500/37647)

<div class="topic-metadata">

**Author:** [@tbet](https://discourse.nodered.org/u/tbet)\
**Replies:** 1\
**Last updated:** [17 December 2020 12:45 UTC](https://discourse.nodered.org/t/communication-between-iot2000-and-plc-s7-1500/37647 "2020-12-17T12:45:45Z")

</div>

Hi, I'm searching for some days how to get a connection between my Iot2000 and PLC. Therefore I already installed the recent Node-RED Release 1.2.6 and Node.js V8.16.0 (can't update, why). Version of node-red-contrib-…

---

## [Change font-size of unit value in artless gauges](https://discourse.nodered.org/t/change-font-size-of-unit-value-in-artless-gauges/37629)

<div class="topic-metadata">

**Author:** [@Niklas](https://discourse.nodered.org/u/Niklas)\
**Replies:** 4\
**Last updated:** [17 December 2020 12:11 UTC](https://discourse.nodered.org/t/change-font-size-of-unit-value-in-artless-gauges/37629 "2020-12-17T12:11:40Z")

</div>

Hey everyone, I'm a node-red beginner who wants to change the font-size of the "unit" which is displayed under the value in a gauge, because for my taste the size is too small. (See pictures) I didn't find a post the c…

[Previous page](https://discourse.nodered.org/latest.md?page=929)

[Next page](https://discourse.nodered.org/latest.md?page=931)