# General **URL:** https://discourse.nodered.org/c/general/7.md?page=932 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 933 --- ## [Need Help: Dashboard layout in wrong order](https://discourse.nodered.org/t/need-help-dashboard-layout-in-wrong-order/5288)
**Author:** [@DRath](https://discourse.nodered.org/u/DRath)\ **Replies:** 17\ **Last updated:** [29 November 2018 21:55 UTC](https://discourse.nodered.org/t/need-help-dashboard-layout-in-wrong-order/5288 "2018-11-29T21:55:25Z")
I have a flow in which data is being read from a CSV and then displayed online using Dashboard. In the final part, the data from the CSV is split up into 10 components by a function node and sent forward to template nod… --- ## [How do i draw a robot face on 3.5 inch TFT](https://discourse.nodered.org/t/how-do-i-draw-a-robot-face-on-3-5-inch-tft/5321)
**Author:** [@mshaz](https://discourse.nodered.org/u/mshaz)\ **Replies:** 3\ **Last updated:** [29 November 2018 21:20 UTC](https://discourse.nodered.org/t/how-do-i-draw-a-robot-face-on-3-5-inch-tft/5321 "2018-11-29T21:20:46Z")
Hi , I have a 3.5inch TFT and RPi3, I plan to make a robot. How do i draw a face n animate it as in the picture? Thank you. --- ## [Node Red Install and Cleanup](https://discourse.nodered.org/t/node-red-install-and-cleanup/5298)
**Author:** [@Grendel61](https://discourse.nodered.org/u/Grendel61)\ **Replies:** 2\ **Last updated:** [29 November 2018 20:16 UTC](https://discourse.nodered.org/t/node-red-install-and-cleanup/5298 "2018-11-29T20:16:01Z")
We've been doing a lot of Node Red development with new nodes and flow development, and I think along the way I must have made some mistakes in the installation process. Node Red seems to function okay, but the deploy pr… --- ## [http endpoint authentication](https://discourse.nodered.org/t/http-endpoint-authentication/5316)
**Author:** [@sacredshapes](https://discourse.nodered.org/u/sacredshapes)\ **Replies:** 0\ **Last updated:** [29 November 2018 17:30 UTC](https://discourse.nodered.org/t/http-endpoint-authentication/5316 "2018-11-29T17:30:06Z")
I am trying to get IFTTT to trigger an automation on Node-Red (installed via Hass.io) by using an http endpoint. It works when I visit the URL I’ve defined, but it asks for the http node credentials, which I have defined… --- ## [The file node, change the syntax](https://discourse.nodered.org/t/the-file-node-change-the-syntax/5178)
**Author:** [@fabien](https://discourse.nodered.org/u/fabien)\ **Replies:** 28\ **Last updated:** [29 November 2018 17:15 UTC](https://discourse.nodered.org/t/the-file-node-change-the-syntax/5178 "2018-11-29T17:15:10Z")
Hello, I have a problem with the file node. When I extract data with the file write node, everything is fine; no syntax problem. On the other hand, when I want to recover the data with the file reads node, I have synta… --- ## [Node MySQL fail](https://discourse.nodered.org/t/node-mysql-fail/5306)
**Author:** [@zayas](https://discourse.nodered.org/u/zayas)\ **Replies:** 2\ **Last updated:** [29 November 2018 16:58 UTC](https://discourse.nodered.org/t/node-mysql-fail/5306 "2018-11-29T16:58:44Z")
Good, I have a fault with the MYSQL node, in principle everything is well connected, however I get the following error, "mysqladmin flush-hosts" could someone help me? Thank you --- ## [Weird Issue with flow/sequence](https://discourse.nodered.org/t/weird-issue-with-flow-sequence/5304)
**Author:** [@huddy](https://discourse.nodered.org/u/huddy)\ **Replies:** 1\ **Last updated:** [29 November 2018 16:46 UTC](https://discourse.nodered.org/t/weird-issue-with-flow-sequence/5304 "2018-11-29T16:46:07Z")
So Im trying to make my door bell turn on my siren/alarm, using homeassistant, but it turns on, and then after the delay turns it on again? I'm not really sure. I've attached an image of what the sequence/flow?? looks l… --- ## [Error: Cannot find module 'i2c-bus'](https://discourse.nodered.org/t/error-cannot-find-module-i2c-bus/5259)
**Author:** [@jbreda007](https://discourse.nodered.org/u/jbreda007)\ **Replies:** 14\ **Last updated:** [29 November 2018 16:01 UTC](https://discourse.nodered.org/t/error-cannot-find-module-i2c-bus/5259 "2018-11-29T16:01:38Z")
New installion of node-red, but get the following error when trying to start it. pi@jrbWork:~ $ node-red-start Start Node-RED Once Node-RED has started, point a browser at http://192.168.1.201:1880 On Pi Node-RED wor… --- ## [Node-red vs Logic Machine](https://discourse.nodered.org/t/node-red-vs-logic-machine/5274)
**Author:** [@pentadom](https://discourse.nodered.org/u/pentadom)\ **Replies:** 7\ **Last updated:** [29 November 2018 11:14 UTC](https://discourse.nodered.org/t/node-red-vs-logic-machine/5274 "2018-11-29T11:14:46Z")
Hello, I have a project where I need to comunicate Node-red with Logic Machine (http://openrb.com/logicmachine-5-lite/) I need to send humidity values from node-red to logic machine. I need to send on/off orders from … --- ## [Message payload as float-array?](https://discourse.nodered.org/t/message-payload-as-float-array/5291)
**Author:** [@abra](https://discourse.nodered.org/u/abra)\ **Replies:** 1\ **Last updated:** [29 November 2018 09:26 UTC](https://discourse.nodered.org/t/message-payload-as-float-array/5291 "2018-11-29T09:26:30Z")
Is it possible to define the payload of a message as a float-array ? I need that to publish some MQTT data where the MQTT payload has to be a float-array. --- ## [Memory leak message](https://discourse.nodered.org/t/memory-leak-message/5277)
**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\ **Replies:** 5\ **Last updated:** [29 November 2018 07:18 UTC](https://discourse.nodered.org/t/memory-leak-message/5277 "2018-11-29T07:18:35Z")
Hello All In order to help me identify what are the node that create the memory leak what is this (node:24366) in the list bellow? how can i find this bad guy? (node:24366) MaxListenersExceededWarning: Possible EventE… --- ## [setTimeout issue on a node with callback function](https://discourse.nodered.org/t/settimeout-issue-on-a-node-with-callback-function/5207)
**Author:** [@abajolle](https://discourse.nodered.org/u/abajolle)\ **Replies:** 9\ **Last updated:** [29 November 2018 07:06 UTC](https://discourse.nodered.org/t/settimeout-issue-on-a-node-with-callback-function/5207 "2018-11-29T07:06:13Z")
Hi dear Node-RED community. I am connecting some digital inputs on my Siemens Simatic IoT2000 products, unfortunately none of the existing nodes are working well, so I have started to create my own. Now the behaviour is… --- ## [Main process exited, code=killed, status=9/KILL](https://discourse.nodered.org/t/main-process-exited-code-killed-status-9-kill/5276)
**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\ **Replies:** 17\ **Last updated:** [28 November 2018 23:06 UTC](https://discourse.nodered.org/t/main-process-exited-code-killed-status-9-kill/5276 "2018-11-28T23:06:42Z")
Any suggestions to debug? 8 Nov 19:23:38 - \[info\] Node-RED version: v0.19.5 28 Nov 19:23:38 - \[info\] Node.js version: v8.12.0 28 Nov 19:23:38 - \[info\] Linux 4.14.71-v7+ arm LE 28 Nov 19:23:38 - \[info\] Loading palett… --- ## [Put a variable data into Json code?](https://discourse.nodered.org/t/put-a-variable-data-into-json-code/5266)
**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\ **Replies:** 4\ **Last updated:** [28 November 2018 20:51 UTC](https://discourse.nodered.org/t/put-a-variable-data-into-json-code/5266 "2018-11-28T20:51:12Z")
Hi, My aim is to read from my Sqlite database and eventually output to a Node-RED graph. . I have this coming out of my database, I think it's an array ? . . . I then want to place the Electricity reading of 0.0… --- ## [2 msg.topic in calculation function node](https://discourse.nodered.org/t/2-msg-topic-in-calculation-function-node/4526)
**Author:** [@nick](https://discourse.nodered.org/u/nick)\ **Replies:** 24\ **Last updated:** [28 November 2018 18:28 UTC](https://discourse.nodered.org/t/2-msg-topic-in-calculation-function-node/4526 "2018-11-28T18:28:11Z")
i am trying to make a calculation in a function node with 2 input msg.topic value's. can sombody tell me wath i am doing wrong. \[{"id":"6cbfa85e.a749a8","type":"debug","z&qu… --- ## [Node-red exposure to node.js Event-Stream library malware?](https://discourse.nodered.org/t/node-red-exposure-to-node-js-event-stream-library-malware/5275)
**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\ **Replies:** 1\ **Last updated:** [28 November 2018 18:27 UTC](https://discourse.nodered.org/t/node-red-exposure-to-node-js-event-stream-library-malware/5275 "2018-11-28T18:27:29Z")
Looks like Cryptocurrency theft malware has found its way into a node.js library: Event-Stream malware Do node-red users have any exposure? --- ## [Remove node from Node-red](https://discourse.nodered.org/t/remove-node-from-node-red/5217)
**Author:** [@pentadom](https://discourse.nodered.org/u/pentadom)\ **Replies:** 15\ **Last updated:** [28 November 2018 18:08 UTC](https://discourse.nodered.org/t/remove-node-from-node-red/5217 "2018-11-28T18:08:25Z")
Hello! I'm running node-red (version v0.15.3) in a Multitech Conduit. I installed two different KNX nodes and on of them (or both) is returning an error: How can I know why the error is happening? Otherwise I'm try… --- ## [Open a web browser with EXEC node](https://discourse.nodered.org/t/open-a-web-browser-with-exec-node/5163)
**Author:** [@mike.gofton](https://discourse.nodered.org/u/mike.gofton)\ **Replies:** 8\ **Last updated:** [28 November 2018 11:49 UTC](https://discourse.nodered.org/t/open-a-web-browser-with-exec-node/5163 "2018-11-28T11:49:12Z")
Hello, I'm attempting to use Node-Red to open a web browser UI on the Windows 10 PC which hosts Node-Red. I've tried using the EXEC node in spawn mode for this purpose with the command powershell start chrome, however … --- ## [I cannot undertstand from where this error come!](https://discourse.nodered.org/t/i-cannot-undertstand-from-where-this-error-come/5243)
**Author:** [@naamah75](https://discourse.nodered.org/u/naamah75)\ **Replies:** 11\ **Last updated:** [28 November 2018 10:35 UTC](https://discourse.nodered.org/t/i-cannot-undertstand-from-where-this-error-come/5243 "2018-11-28T10:35:18Z")
I get this error on the debug even if I set current flow and I select a new blank page. 27/11/2018, 17:58:58e2beba7b.4ba748 msg : error "Error: Pool is closed." I cannot undertstand from where this error come! --- ## [How can I split buffer where received the specific byte](https://discourse.nodered.org/t/how-can-i-split-buffer-where-received-the-specific-byte/5084)
**Author:** [@aargollo](https://discourse.nodered.org/u/aargollo)\ **Replies:** 32\ **Last updated:** [28 November 2018 09:04 UTC](https://discourse.nodered.org/t/how-can-i-split-buffer-where-received-the-specific-byte/5084 "2018-11-28T09:04:15Z")
Hi Guys, i working on my interfacing program and I need to split the buffer received, from a serial communication, for each one message received. Each serial message have a start/stop byte structure: 0x01 - start 0x03… --- ## [Updated Node-RED 0.19.5 = Waiting for missing types to be registered?](https://discourse.nodered.org/t/updated-node-red-0-19-5-waiting-for-missing-types-to-be-registered/5213)
**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\ **Replies:** 27\ **Last updated:** [28 November 2018 08:39 UTC](https://discourse.nodered.org/t/updated-node-red-0-19-5-waiting-for-missing-types-to-be-registered/5213 "2018-11-28T08:39:57Z")
Hi, .I am using Linux XFCE I have updated Node-RED to latest version and updated Node.js to v8.13.0. I then restarted, but it stopped flows, because of SQLite node not compatible with Node.js to v8.13.0 ? I then chan… --- ## [Node Status (like debug node) for function nodes?](https://discourse.nodered.org/t/node-status-like-debug-node-for-function-nodes/5245)
**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\ **Replies:** 4\ **Last updated:** [27 November 2018 23:56 UTC](https://discourse.nodered.org/t/node-status-like-debug-node-for-function-nodes/5245 "2018-11-27T23:56:14Z")
Guys, Quite often with my flows i will put a debug node after a function node and click the property node status and just have it display the debug value on the screen (instead of in the debug window) - obviously this c… --- ## [File truncated message](https://discourse.nodered.org/t/file-truncated-message/5223)
**Author:** [@tristan](https://discourse.nodered.org/u/tristan)\ **Replies:** 7\ **Last updated:** [27 November 2018 17:37 UTC](https://discourse.nodered.org/t/file-truncated-message/5223 "2018-11-27T17:37:42Z")
Hi there, I'm new to this forum and new to node-red. I have a Raspberry Pi 3 B+ with node-red server running. I have a simple flow set up where tail watches a file for updates and sends a simple message to a gauge. The … --- ## [No UDP Response from UDP Input Node](https://discourse.nodered.org/t/no-udp-response-from-udp-input-node/5244)
**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\ **Replies:** 0\ **Last updated:** [27 November 2018 17:20 UTC](https://discourse.nodered.org/t/no-udp-response-from-udp-input-node/5244 "2018-11-27T17:20:23Z")
I am working with a piece of equipment which requires me to send some UDP commands and then enable TCP communications after all the UDP commands are sent. The problem I am running into is that I am just waiting a specif… --- ## [Clean Up Working Environment](https://discourse.nodered.org/t/clean-up-working-environment/5241)
**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\ **Replies:** 3\ **Last updated:** [27 November 2018 17:02 UTC](https://discourse.nodered.org/t/clean-up-working-environment/5241 "2018-11-27T17:02:29Z")
Just looking for suggestions on a nice way to clean up my Node Red working environment. I have created a great number of Flows and Subflows doing R&D which I don't want to lose, but would like to get my Node Red tabs r… --- ## [Googlechart = "Error stopping node: TypeError: Cannot read property 'get' of undefined"](https://discourse.nodered.org/t/googlechart-error-stopping-node-typeerror-cannot-read-property-get-of-undefined/5238)
**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\ **Replies:** 2\ **Last updated:** [27 November 2018 16:02 UTC](https://discourse.nodered.org/t/googlechart-error-stopping-node-typeerror-cannot-read-property-get-of-undefined/5238 "2018-11-27T16:02:46Z")
Hi, I have installed node-red-contrib-googlechart And using the example given, i add this to NodeRED and when I deploy, i get this message in Debug ? "Error stopping node: TypeError: Cannot read property 'get' of unde… --- ## [New Node is displayed as Flow in Library - error or my fault? - SOLVED](https://discourse.nodered.org/t/new-node-is-displayed-as-flow-in-library-error-or-my-fault-solved/3119)
**Author:** [@cajonKA](https://discourse.nodered.org/u/cajonKA)\ **Replies:** 2\ **Last updated:** [27 November 2018 13:08 UTC](https://discourse.nodered.org/t/new-node-is-displayed-as-flow-in-library-error-or-my-fault-solved/3119 "2018-11-27T13:08:53Z")
I added a new node (magichome-led node) to npm and it got automatically added to the Node Red Flow library. It is marked as NODE in the library, but it is colored in blue and when you click on it, it directs you to the… --- ## [How to migrate node-red from Rpi to to Cloud](https://discourse.nodered.org/t/how-to-migrate-node-red-from-rpi-to-to-cloud/5205)
**Author:** [@aargollo](https://discourse.nodered.org/u/aargollo)\ **Replies:** 9\ **Last updated:** [27 November 2018 09:59 UTC](https://discourse.nodered.org/t/how-to-migrate-node-red-from-rpi-to-to-cloud/5205 "2018-11-27T09:59:32Z")
Hi Guys, I already have my application running over node-red under Rpi3. I would like to implement it on node-red IBM Cloud, I have an account in bluemix. I tried to use node-red editor on IBM cloud an I got some proble… --- ## [Catch Serial output and store it to MSSQL](https://discourse.nodered.org/t/catch-serial-output-and-store-it-to-mssql/5042)
**Author:** [@Conard](https://discourse.nodered.org/u/Conard)\ **Replies:** 33\ **Last updated:** [27 November 2018 08:31 UTC](https://discourse.nodered.org/t/catch-serial-output-and-store-it-to-mssql/5042 "2018-11-27T08:31:20Z")
My task is to fetch serial port output (from Arduino), then push the output to the Microsoft SQL Database. My Arduino project is recording student attendance using fingerprint. Every time a student has scanned his finger… --- ## [BMP180/BMP280 i2c nodes.. can't figure it out!](https://discourse.nodered.org/t/bmp180-bmp280-i2c-nodes-cant-figure-it-out/5160)
**Author:** [@NaturalBornCamper](https://discourse.nodered.org/u/NaturalBornCamper)\ **Replies:** 8\ **Last updated:** [26 November 2018 23:16 UTC](https://discourse.nodered.org/t/bmp180-bmp280-i2c-nodes-cant-figure-it-out/5160 "2018-11-26T23:16:49Z")
Hello, I have i2c sensors on my RPi and downloaded all the BMP180 / BME280 / BMP280 i2c nodes but they all lack instructions and are all asking for a "command" which seems to be an integer. I tried sending various integ… [Previous page](https://discourse.nodered.org/c/general/7.md?page=931) [Next page](https://discourse.nodered.org/c/general/7.md?page=933)