# Latest **URL:** https://discourse.nodered.org/latest.md?page=1004 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 1005 --- ## [How to buffer data and output them once the array reach a defined size](https://discourse.nodered.org/t/how-to-buffer-data-and-output-them-once-the-array-reach-a-defined-size/32571)
**Author:** [@sylvanoMTL](https://discourse.nodered.org/u/sylvanoMTL)\ **Replies:** 4\ **Last updated:** [8 September 2020 09:52 UTC](https://discourse.nodered.org/t/how-to-buffer-data-and-output-them-once-the-array-reach-a-defined-size/32571 "2020-09-08T09:52:20Z")
I am trying to downsample streamed data I am receiving via MQTT. I wish to build a buffer array and push values/objects to it, then pass the bufferin a payload before a reset. For instance I want to use a defined number… --- ## [Function check payload of 10 diffrent mqtt topics](https://discourse.nodered.org/t/function-check-payload-of-10-diffrent-mqtt-topics/32542)
**Author:** [@monster400](https://discourse.nodered.org/u/monster400)\ **Replies:** 4\ **Last updated:** [8 September 2020 09:20 UTC](https://discourse.nodered.org/t/function-check-payload-of-10-diffrent-mqtt-topics/32542 "2020-09-08T09:20:18Z")
Hello I'm trying to check state of 10 relays on different mqtt topics, i need to turn a pump on / off based on if all relays are off or just one on for floor heating with water. Can anyone help me how to do this functi… --- ## [Lines over a picture (edit picture)](https://discourse.nodered.org/t/lines-over-a-picture-edit-picture/32567)
**Author:** [@softy2k](https://discourse.nodered.org/u/softy2k)\ **Replies:** 5\ **Last updated:** [8 September 2020 09:10 UTC](https://discourse.nodered.org/t/lines-over-a-picture-edit-picture/32567 "2020-09-08T09:10:31Z")
I would like to draw some lines over a picture. Something like canvas in HTML: ctx.moveTo (x0, y0); ctx.lineTo (x1, y1); ctx.lineTo (x2, y2); ctx.lineTo (x3, y3); ctx.moveTo (x0, y0); ctx.fill (); Is it possible … --- ## [How to pass msg.payload to file-in node](https://discourse.nodered.org/t/how-to-pass-msg-payload-to-file-in-node/32582)
**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\ **Replies:** 3\ **Last updated:** [8 September 2020 08:20 UTC](https://discourse.nodered.org/t/how-to-pass-msg-payload-to-file-in-node/32582 "2020-09-08T08:20:39Z")
Hi, I would like to pass msg.payload to file-in node, but got warning "No filename specified" When I directly specify the path of the file to the Filename property of file-in node, the file can be read normally. \[{… --- ## [My Twitter out node doesn't work](https://discourse.nodered.org/t/my-twitter-out-node-doesnt-work/32553)
**Author:** [@foobrizio](https://discourse.nodered.org/u/foobrizio)\ **Replies:** 6\ **Last updated:** [8 September 2020 08:07 UTC](https://discourse.nodered.org/t/my-twitter-out-node-doesnt-work/32553 "2020-09-08T08:07:02Z")
Hi everyone, I'm testing a simple and essential flow in which I inject a message into a twitter output node, in order to write a tweet with my Twitter account. If I try to do it, I receive "TypeError: Cannot read prope… --- ## [Alexa ai node red Phrasen does somebody has any idea...?](https://discourse.nodered.org/t/alexa-ai-node-red-phrasen-does-somebody-has-any-idea/32470)
**Author:** [@matze85](https://discourse.nodered.org/u/matze85)\ **Replies:** 18\ **Last updated:** [8 September 2020 08:01 UTC](https://discourse.nodered.org/t/alexa-ai-node-red-phrasen-does-somebody-has-any-idea/32470 "2020-09-08T08:01:42Z")
it would be very nice if someone could help me with a HOME AI with node red i think the best way is about node-red-contrib-alexa or....???? by matze --- ## [Dashboard ui\_Form Date](https://discourse.nodered.org/t/dashboard-ui-form-date/32511)
**Author:** [@knubbl](https://discourse.nodered.org/u/knubbl)\ **Replies:** 26\ **Last updated:** [8 September 2020 07:52 UTC](https://discourse.nodered.org/t/dashboard-ui-form-date/32511 "2020-09-08T07:52:19Z")
I configurated a ui\_Form with an Input Field of type "Date". The output of Date is always one day backwards to what i picked.(e.g picked 12.03.2020 - \> Output : 11.03.2020) How can i get the same Date i picked as Outou… --- ## [Replies to specific posts not showing as such](https://discourse.nodered.org/t/replies-to-specific-posts-not-showing-as-such/32527)
**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\ **Replies:** 15\ **Last updated:** [8 September 2020 07:26 UTC](https://discourse.nodered.org/t/replies-to-specific-posts-not-showing-as-such/32527 "2020-09-08T07:26:39Z")
The forum used to show an icon/link pointing torwards the post replied to but its been missing for a while. Is it just my setup or is it a forum bug/mis-configuration? --- ## [How to insert the output of the buffer node to mysql db](https://discourse.nodered.org/t/how-to-insert-the-output-of-the-buffer-node-to-mysql-db/32557)
**Author:** [@Energycharges](https://discourse.nodered.org/u/Energycharges)\ **Replies:** 13\ **Last updated:** [8 September 2020 06:57 UTC](https://discourse.nodered.org/t/how-to-insert-the-output-of-the-buffer-node-to-mysql-db/32557 "2020-09-08T06:57:18Z")
Am not able to insert the value which is coming out of the buffer parser node into the local db (mariadb). please find below flow and debug window function node program buffer parser Appreciate , if some one he… --- ## [Background Color of Template Node](https://discourse.nodered.org/t/background-color-of-template-node/32580)
**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\ **Replies:** 0\ **Last updated:** [8 September 2020 06:31 UTC](https://discourse.nodered.org/t/background-color-of-template-node/32580 "2020-09-08T06:31:57Z")
Hello, i try to figure out a way to color a bigger area then font, depend on a value from the payload. It should be big enough to be good visible but small enough to get around 20 of that elements on one screen. I wou… --- ## [Uibuilder and manifest.json](https://discourse.nodered.org/t/uibuilder-and-manifest-json/32572)
**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\ **Replies:** 2\ **Last updated:** [8 September 2020 01:08 UTC](https://discourse.nodered.org/t/uibuilder-and-manifest-json/32572 "2020-09-08T01:08:51Z")
Julian ( @TotallyInformation) has created an awesomely powerful node in uibuilder, but of course to wield such awesome capability it is taking me some time to get everything configured just right. I have already gotten s… --- ## [Slight newer version of npm available?](https://discourse.nodered.org/t/slight-newer-version-of-npm-available/32463)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 10\ **Last updated:** [8 September 2020 00:33 UTC](https://discourse.nodered.org/t/slight-newer-version-of-npm-available/32463 "2020-09-08T00:33:40Z")
The official installation script installed npm 6.14.6, but I noticed 6.14.8 is available? If update npm, am I going to break anything with NR standard installation? --- ## [Http request node](https://discourse.nodered.org/t/http-request-node/32520)
**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\ **Replies:** 3\ **Last updated:** [7 September 2020 22:45 UTC](https://discourse.nodered.org/t/http-request-node/32520 "2020-09-07T22:45:03Z")
Hi all!, i want to know if it is possible to send via telegram an HTTP request result. I have a node which has an search API (from Mercado Libre) and what is does is a search from a product. I have the HTTP request worki… --- ## [Running Node.js need be root](https://discourse.nodered.org/t/running-node-js-need-be-root/32522)
**Author:** [@jinyistudio](https://discourse.nodered.org/u/jinyistudio)\ **Replies:** 12\ **Last updated:** [7 September 2020 22:28 UTC](https://discourse.nodered.org/t/running-node-js-need-be-root/32522 "2020-09-07T22:28:31Z")
Hi I want to write a node with a node.js library. but the js library must run in "root mode". Can i include ths library into node-red ? How to if i can do it ? :thinking: --- ## [Handy UI page for locally hosted Mosquitto and Node-RED](https://discourse.nodered.org/t/handy-ui-page-for-locally-hosted-mosquitto-and-node-red/32570)
**Author:** [@GryKyo](https://discourse.nodered.org/u/GryKyo)\ **Replies:** 0\ **Last updated:** [7 September 2020 22:01 UTC](https://discourse.nodered.org/t/handy-ui-page-for-locally-hosted-mosquitto-and-node-red/32570 "2020-09-07T22:01:20Z")
This is something I have put on two raspberry pi's I have setup for friends recently to use for basic automations. Rasoberry Pi's setup to monitor and control various sensors and Tasmota devices. The flows simply build… --- ## [Error \[ERR\_REQUIRE\_ESM\]: Must use import to load ES Module](https://discourse.nodered.org/t/error-err-require-esm-must-use-import-to-load-es-module/32311)
**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\ **Replies:** 24\ **Last updated:** [7 September 2020 17:15 UTC](https://discourse.nodered.org/t/error-err-require-esm-must-use-import-to-load-es-module/32311 "2020-09-07T17:15:05Z")
When starting node-red I am getting following error in log file: Welcome to Node-RED =================== 1 Sep 19:20:36 - \[info\] Node-RED version: v1.1.3 1 Sep 19:20:36 - \[info\] Node.js version: v12.18.3 1 Sep 19:20:36… --- ## [Getting Json payload to influxDB](https://discourse.nodered.org/t/getting-json-payload-to-influxdb/32555)
**Author:** [@tazkiller2001](https://discourse.nodered.org/u/tazkiller2001)\ **Replies:** 2\ **Last updated:** [7 September 2020 19:38 UTC](https://discourse.nodered.org/t/getting-json-payload-to-influxdb/32555 "2020-09-07T19:38:07Z")
Hi I have tried to get temperature values ​​from a JSON file into INFLUXDB. The connection to InfluxDB works but can not get values ​​out of my JSON file. Payload debug: msg.payload : Object object compact: object d… --- ## [No Proper API examples on how to use @node-red/editor API and any other API's](https://discourse.nodered.org/t/no-proper-api-examples-on-how-to-use-node-red-editor-api-and-any-other-apis/32503)
**Author:** [@abish396](https://discourse.nodered.org/u/abish396)\ **Replies:** 9\ **Last updated:** [7 September 2020 17:49 UTC](https://discourse.nodered.org/t/no-proper-api-examples-on-how-to-use-node-red-editor-api-and-any-other-apis/32503 "2020-09-07T17:49:55Z")
I was going through the node red api documentation and was reading the node-red API-reference section under documentation. So I read @node-red/editor api, specifically httpAdmin- there it was just written that"The Expres… --- ## [Pac3200 read 4registers \[ 64 bits\]](https://discourse.nodered.org/t/pac3200-read-4registers-64-bits/32416)
**Author:** [@hassengh](https://discourse.nodered.org/u/hassengh)\ **Replies:** 2\ **Last updated:** [7 September 2020 16:04 UTC](https://discourse.nodered.org/t/pac3200-read-4registers-64-bits/32416 "2020-09-07T16:04:35Z")
Hello , I am using a Siemens PAC 3200 device that reads information from the mains such as voltage, current, etc. The manual for this device tells you the registers sent by MODBUS, some of them Float type and some Doubl… --- ## [Modal window (like notification) with text input](https://discourse.nodered.org/t/modal-window-like-notification-with-text-input/9521)
**Author:** [@allebarbieri](https://discourse.nodered.org/u/allebarbieri)\ **Replies:** 1\ **Last updated:** [7 September 2020 15:35 UTC](https://discourse.nodered.org/t/modal-window-like-notification-with-text-input/9521 "2020-09-07T15:35:19Z")
Hello everyone, I am wondering if it is possible to add a text input to the "show notification" node when in "OK/ Cancel Dialog" Layout mode, to be outputted in msg.payload when the button is pressed. In this node, mor… --- ## [Custom Node get wires information?](https://discourse.nodered.org/t/custom-node-get-wires-information/32508)
**Author:** [@juncaofish](https://discourse.nodered.org/u/juncaofish)\ **Replies:** 7\ **Last updated:** [7 September 2020 13:23 UTC](https://discourse.nodered.org/t/custom-node-get-wires-information/32508 "2020-09-07T13:23:00Z")
Could custom node get wires information in runtime? i.e. Node 2a7d48a8.86e4f8 wires to Node 9b7e69f6.78c268 in the following flow \[ { "id": "2a7d48a8.86e4f8", "wires": \[ \[ "9b7e69f6.78c268" \] \] } \] --- ## [Hardware Platforms](https://discourse.nodered.org/t/hardware-platforms/32536)
**Author:** [@na2399](https://discourse.nodered.org/u/na2399)\ **Replies:** 1\ **Last updated:** [7 September 2020 09:54 UTC](https://discourse.nodered.org/t/hardware-platforms/32536 "2020-09-07T09:54:24Z")
Which hardware platforms does Node-RED support? --- ## [Cannot remotely access node-red running on ubuntu VM](https://discourse.nodered.org/t/cannot-remotely-access-node-red-running-on-ubuntu-vm/32244)
**Author:** [@JCLeuvennink](https://discourse.nodered.org/u/JCLeuvennink)\ **Replies:** 6\ **Last updated:** [7 September 2020 08:53 UTC](https://discourse.nodered.org/t/cannot-remotely-access-node-red-running-on-ubuntu-vm/32244 "2020-09-07T08:53:52Z")
Hi I am running node-red on an oracle cloud VM that is running ubuntu 20.04. My problem is that I cannot access the editor from my PC over the internet when I go to http://:1880 on my browser. I have done this before u… --- ## [Nodered-sending data to INFLUXDB STACKHERO](https://discourse.nodered.org/t/nodered-sending-data-to-influxdb-stackhero/32515)
**Author:** [@tazkiller2001](https://discourse.nodered.org/u/tazkiller2001)\ **Replies:** 3\ **Last updated:** [7 September 2020 08:07 UTC](https://discourse.nodered.org/t/nodered-sending-data-to-influxdb-stackhero/32515 "2020-09-07T08:07:04Z")
Hello This is my first topic. I have problems sending data to InfluxDB which is hosted by stackhero. I'm getting this error (org i replaced på XXXXXXX, but i correct ind the code) : FetchError: request to https://htt… --- ## [Use NodeRED in an iframe behind a proxy](https://discourse.nodered.org/t/use-nodered-in-an-iframe-behind-a-proxy/32505)
**Author:** [@zbrause](https://discourse.nodered.org/u/zbrause)\ **Replies:** 0\ **Last updated:** [6 September 2020 11:24 UTC](https://discourse.nodered.org/t/use-nodered-in-an-iframe-behind-a-proxy/32505 "2020-09-06T11:24:56Z")
My NodeRed instance runs on a pc (currently ubuntu 20.04) behind a nginx reverse proxy. I installed it today with the install script, so it should be the latest stable version (i guess). Nginx config, proxy settings take… --- ## [Trigger google home commands](https://discourse.nodered.org/t/trigger-google-home-commands/32469)
**Author:** [@P4W3L](https://discourse.nodered.org/u/P4W3L)\ **Replies:** 2\ **Last updated:** [7 September 2020 07:34 UTC](https://discourse.nodered.org/t/trigger-google-home-commands/32469 "2020-09-07T07:34:16Z")
Is there a way to execute google home commands with node red or send maybe voice commands like: "Turn on lights"? The reason why I would like to have such a feature is to control devices which are connected to my google… --- ## [I am getting this message when I boot node-red](https://discourse.nodered.org/t/i-am-getting-this-message-when-i-boot-node-red/32519)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 3\ **Last updated:** [7 September 2020 07:06 UTC](https://discourse.nodered.org/t/i-am-getting-this-message-when-i-boot-node-red/32519 "2020-09-07T07:06:06Z")
7 Sep 06:45:40 - \[info\] Flows file : /home/pi/.node-red/flows\_BedPi.json 7 Sep 06:45:41 - \[info\] Server now running at http://127.0.0.1:1880/ 7 Sep 06:45:45 - \[info\] Starting flows While constructing LEDNode widget: … --- ## [Http request (open connection)](https://discourse.nodered.org/t/http-request-open-connection/32459)
**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\ **Replies:** 11\ **Last updated:** [6 September 2020 21:11 UTC](https://discourse.nodered.org/t/http-request-open-connection/32459 "2020-09-06T21:11:45Z")
Hi I really need some help with this one. I have a security system I want to do a http request to. It's some kind of a connection that stays open and update the events if I use for example chrome. It's an xml document. I… --- ## [URL API Problems - Need Help](https://discourse.nodered.org/t/url-api-problems-need-help/32484)
**Author:** [@aaronM](https://discourse.nodered.org/u/aaronM)\ **Replies:** 8\ **Last updated:** [6 September 2020 18:29 UTC](https://discourse.nodered.org/t/url-api-problems-need-help/32484 "2020-09-06T18:29:28Z")
Hello Everyone! I am very new to NR and have hit a roadblock in my project. I am setting up Fully Kiosk and they supply a URL API for text To Speech. I can put the URL (below) in my browser and the text will get read o… --- ## [Getting unexpected "replacement" UTF-8 character in the Serial steam](https://discourse.nodered.org/t/getting-unexpected-replacement-utf-8-character-in-the-serial-steam/32489)
**Author:** [@ecrode](https://discourse.nodered.org/u/ecrode)\ **Replies:** 3\ **Last updated:** [6 September 2020 16:46 UTC](https://discourse.nodered.org/t/getting-unexpected-replacement-utf-8-character-in-the-serial-steam/32489 "2020-09-06T16:46:25Z")
Trying to use a serial port with node-red, but I'm running into an unexpected issue. Data stream includes a custom characters which are normal ASCII with MSB set, for example "E" & 0x80 Issue is that they are among nor… [Previous page](https://discourse.nodered.org/latest.md?page=1003) [Next page](https://discourse.nodered.org/latest.md?page=1005)