# Latest **URL:** https://discourse.nodered.org/latest.md?page=826 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 827 --- ## [How to send code for a robot by tcp-ip](https://discourse.nodered.org/t/how-to-send-code-for-a-robot-by-tcp-ip/44804)
**Author:** [@teixeira\_5213](https://discourse.nodered.org/u/teixeira_5213)\ **Replies:** 11\ **Last updated:** [30 April 2021 08:55 UTC](https://discourse.nodered.org/t/how-to-send-code-for-a-robot-by-tcp-ip/44804 "2021-04-30T08:55:41Z")
Hello, I am new in node red and i want do the code implementation for a robot of universal robots, making its sending by the tcp-ip server installed in the red node of my raspberry. Does anyone have any idea how to do i… --- ## [How to run a node js app on my NR box?](https://discourse.nodered.org/t/how-to-run-a-node-js-app-on-my-nr-box/44789)
**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\ **Replies:** 15\ **Last updated:** [30 April 2021 08:38 UTC](https://discourse.nodered.org/t/how-to-run-a-node-js-app-on-my-nr-box/44789 "2021-04-30T08:38:29Z")
Guys, I have just found a Node.js app that is run from the command line as follows node tuya-mqtt.js This app lets me control and monitor my new heatpump system using mqtt I run node red on a VM so have plenty of gru… --- ## [Node-RED v1.3.3 CSV Node Changes Broke Several Flows](https://discourse.nodered.org/t/node-red-v1-3-3-csv-node-changes-broke-several-flows/44663)
**Author:** [@plfinch](https://discourse.nodered.org/u/plfinch)\ **Replies:** 8\ **Last updated:** [30 April 2021 08:13 UTC](https://discourse.nodered.org/t/node-red-v1-3-3-csv-node-changes-broke-several-flows/44663 "2021-04-30T08:13:46Z")
After upgrading to v1.3.3 several flows did not function properly. I isolated this to behavior changes in the CSV node. I am using CSV Node to convert space-delimited CSV strings to arrays of objects. The CSV Node Help d… --- ## [Removing items from an array](https://discourse.nodered.org/t/removing-items-from-an-array/44716)
**Author:** [@ajaymccollum](https://discourse.nodered.org/u/ajaymccollum)\ **Replies:** 4\ **Last updated:** [30 April 2021 03:47 UTC](https://discourse.nodered.org/t/removing-items-from-an-array/44716 "2021-04-30T03:47:31Z")
Hey all, I'm hoping to hit an existing array with another array to remove the specific items from the original. Like if I have \[22, 33, 44, 55\], and I hit it with a payload of \[33, 44\], I wind up with \[22, 55\] coming o… --- ## [Node red Web Scrapping with login](https://discourse.nodered.org/t/node-red-web-scrapping-with-login/44952)
**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\ **Replies:** 7\ **Last updated:** [30 April 2021 02:35 UTC](https://discourse.nodered.org/t/node-red-web-scrapping-with-login/44952 "2021-04-30T02:35:58Z")
Hi all! I'm working on a project were i need the following things: Login in a website with emai and password. Click on a PDF bill, this will open a new tab Take a full window screen shot of the new tab PDF Save the sc… --- ## [Send Temperature to Home.app (HomeKit)](https://discourse.nodered.org/t/send-temperature-to-home-app-homekit/44936)
**Author:** [@Wolf6660](https://discourse.nodered.org/u/Wolf6660)\ **Replies:** 1\ **Last updated:** [30 April 2021 02:32 UTC](https://discourse.nodered.org/t/send-temperature-to-home-app-homekit/44936 "2021-04-30T02:32:27Z")
Hi, I read the temperature via MQTT and would like to have it displayed in the Home.app (Homekit). is this possible and which node do I need. Thanks --- ## [\[BUG FIXES\] node-red-contrib-queue-gate (version 1.5.3)](https://discourse.nodered.org/t/bug-fixes-node-red-contrib-queue-gate-version-1-5-3/44953)
**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\ **Replies:** 0\ **Last updated:** [29 April 2021 21:14 UTC](https://discourse.nodered.org/t/bug-fixes-node-red-contrib-queue-gate-version-1-5-3/44953 "2021-04-29T21:14:30Z")
Node-red-contrib-queue-gate is a node for controlling message flow, including message queueing capability. This update corrects an error that occurs when a control message is received with msg.payload undefined or null. … --- ## [UI builder node buttons not working: edit and manage lib](https://discourse.nodered.org/t/ui-builder-node-buttons-not-working-edit-and-manage-lib/44942)
**Author:** [@andyEllixson](https://discourse.nodered.org/u/andyEllixson)\ **Replies:** 5\ **Last updated:** [29 April 2021 20:30 UTC](https://discourse.nodered.org/t/ui-builder-node-buttons-not-working-edit-and-manage-lib/44942 "2021-04-29T20:30:52Z")
system 1 environment: Windows\_NT 10.0.19041 x64 LE node-red: v1.2.9 node.js: 14.15.4 uibuilder: 3.2.1 dashboard: 2.19.2 Context store : 'default' \[module=memory\] Context store : 'memoryOnly' \[module=memory\] Con… --- ## [Failed-to-install-node-red-contrib-chatbot](https://discourse.nodered.org/t/failed-to-install-node-red-contrib-chatbot/44950)
**Author:** [@r-g0](https://discourse.nodered.org/u/r-g0)\ **Replies:** 1\ **Last updated:** [29 April 2021 20:06 UTC](https://discourse.nodered.org/t/failed-to-install-node-red-contrib-chatbot/44950 "2021-04-29T20:06:27Z")
I'm trying to install node-red-contrib-chatbot, but in the cmd I got errors. OS: Windows 10 Home, version:20H2 Node version: 16.0.0 npm version: 7.11.1 thanks for your attention. errors: GitHub - russo-g0/Failed-to-i… --- ## [Ui\_builder how-to for new bees](https://discourse.nodered.org/t/ui-builder-how-to-for-new-bees/44594)
**Author:** [@mandeepmails](https://discourse.nodered.org/u/mandeepmails)\ **Replies:** 10\ **Last updated:** [29 April 2021 19:28 UTC](https://discourse.nodered.org/t/ui-builder-how-to-for-new-bees/44594 "2021-04-29T19:28:46Z")
Hello Everyone, First of all thank you for being part of such a great community. just to share there has been so many great examples and projects here that have helped me achieve my goals. About this particular one i'v… --- ## [Trigger Email if Input not recevied since x minutes?](https://discourse.nodered.org/t/trigger-email-if-input-not-recevied-since-x-minutes/2909)
**Author:** [@trevorjdaniel](https://discourse.nodered.org/u/trevorjdaniel)\ **Replies:** 6\ **Last updated:** [29 April 2021 18:37 UTC](https://discourse.nodered.org/t/trigger-email-if-input-not-recevied-since-x-minutes/2909 "2021-04-29T18:37:15Z")
Hi, I am not great at javascript programming so apologies. I have a battery operated weather station that I want to know when the batteries have died so I can replace them. The weather station is sending data to my MQ… --- ## [Samsung Automation Studio](https://discourse.nodered.org/t/samsung-automation-studio/44939)
**Author:** [@jemmail](https://discourse.nodered.org/u/jemmail)\ **Replies:** 1\ **Last updated:** [29 April 2021 16:49 UTC](https://discourse.nodered.org/t/samsung-automation-studio/44939 "2021-04-29T16:49:04Z")
Is Samsung Automation Studio a clone of Node-Red ? https://sasm.developer.samsung.com/features It looks like Node-RED with a theme --- ## [Node-Red to do performance testing](https://discourse.nodered.org/t/node-red-to-do-performance-testing/44941)
**Author:** [@tetrived](https://discourse.nodered.org/u/tetrived)\ **Replies:** 0\ **Last updated:** [29 April 2021 16:36 UTC](https://discourse.nodered.org/t/node-red-to-do-performance-testing/44941 "2021-04-29T16:36:34Z")
Hello, is it possible to use node-red flow to generate load on mqtt broker ? Can any one highlight how to perform testing to genreate load of 100 of instances of same flow running to load the broker ? Thanks, Tejas --- ## [Distance to flying Object](https://discourse.nodered.org/t/distance-to-flying-object/44631)
**Author:** [@vikozo](https://discourse.nodered.org/u/vikozo)\ **Replies:** 19\ **Last updated:** [29 April 2021 16:30 UTC](https://discourse.nodered.org/t/distance-to-flying-object/44631 "2021-04-29T16:30:15Z")
Hello i need some help to calculate the Distance to a flying Object the homePos would be Fix the satPos would be changing (of course) var SatDistance = ??? satPos to homePos ??? homePos: lat: 47.28779 lng: 7.94586 … --- ## [Save external libraries in the current version for future development](https://discourse.nodered.org/t/save-external-libraries-in-the-current-version-for-future-development/44806)
**Author:** [@Giu-seppe](https://discourse.nodered.org/u/Giu-seppe)\ **Replies:** 13\ **Last updated:** [29 April 2021 16:13 UTC](https://discourse.nodered.org/t/save-external-libraries-in-the-current-version-for-future-development/44806 "2021-04-29T16:13:41Z")
Hi everyone, i need to save some modules locally to be sure to use them in a certain version. Is there any way to do this? I'm trying to use "npm install " first taking the modules present in ".node-red / node\_modules"… --- ## [MQTT node not getting values from things network broker](https://discourse.nodered.org/t/mqtt-node-not-getting-values-from-things-network-broker/44901)
**Author:** [@bmavina](https://discourse.nodered.org/u/bmavina)\ **Replies:** 8\ **Last updated:** [29 April 2021 16:00 UTC](https://discourse.nodered.org/t/mqtt-node-not-getting-values-from-things-network-broker/44901 "2021-04-29T16:00:38Z")
I'v created a MQTT node and which i have linked with influx DB node. My mqtt node is supposed to be connect with my device on the TTN "co-sensor1". I have followed all the steps to set up the mqtt node that TTN has poste… --- ## [Subflow to custom node - changing the palette category](https://discourse.nodered.org/t/subflow-to-custom-node-changing-the-palette-category/44937)
**Author:** [@erktrek](https://discourse.nodered.org/u/erktrek)\ **Replies:** 2\ **Last updated:** [29 April 2021 15:37 UTC](https://discourse.nodered.org/t/subflow-to-custom-node-changing-the-palette-category/44937 "2021-04-29T15:37:14Z")
Starting to play around with the nifty new feature of converting a subflow to a custom node. Seems to work well so far. Instructions are very straightforward thanks for that! One question I have - is there currently a w… --- ## [Attachment of a e-mail not working with Raspberry Pi but working in a PC](https://discourse.nodered.org/t/attachment-of-a-e-mail-not-working-with-raspberry-pi-but-working-in-a-pc/44879)
**Author:** [@RogerMadrid](https://discourse.nodered.org/u/RogerMadrid)\ **Replies:** 16\ **Last updated:** [29 April 2021 14:38 UTC](https://discourse.nodered.org/t/attachment-of-a-e-mail-not-working-with-raspberry-pi-but-working-in-a-pc/44879 "2021-04-29T14:38:45Z")
Hi, I've been having a problem trying to send a email with a .csv file attached. I know how to do it, at least, with a pc, but, for some reason, the raspberry Pi 3 doesn't send the file, despite of that both have the sa… --- ## [Json lookup table:](https://discourse.nodered.org/t/json-lookup-table/44929)
**Author:** [@AxelD](https://discourse.nodered.org/u/AxelD)\ **Replies:** 4\ **Last updated:** [29 April 2021 13:48 UTC](https://discourse.nodered.org/t/json-lookup-table/44929 "2021-04-29T13:48:45Z")
Hey guys! I need some help with this javascript function. You can see in the first picture that I have a payload with an: id, timestamp and value. But I want to change only the id to a better name then "104". In the sec… --- ## [Installer.js consider using npm flag --engine-strict](https://discourse.nodered.org/t/installer-js-consider-using-npm-flag-engine-strict/43261)
**Author:** [@nileio](https://discourse.nodered.org/u/nileio)\ **Replies:** 1\ **Last updated:** [29 April 2021 13:47 UTC](https://discourse.nodered.org/t/installer-js-consider-using-npm-flag-engine-strict/43261 "2021-04-29T13:47:11Z")
when installing nodes using the Pallette Manager, I recommend that we add the --engine-strict flag to the npm install command in order to respect the "engines" section found in package.json and fail to install any node t… --- ## [Accessing Temperature property in payload (DS18B20 - Tasmota - MQTT)](https://discourse.nodered.org/t/accessing-temperature-property-in-payload-ds18b20-tasmota-mqtt/44913)
**Author:** [@Wolf6660](https://discourse.nodered.org/u/Wolf6660)\ **Replies:** 8\ **Last updated:** [29 April 2021 12:51 UTC](https://discourse.nodered.org/t/accessing-temperature-property-in-payload-ds18b20-tasmota-mqtt/44913 "2021-04-29T12:51:20Z")
Hi, I am a newbie and want to bring my temperature from the ESP8266 to NodeRed. This is my Payload: payload: "{"Time":"2021-04-29T07:48:11","DS18B20-1":{"Id":"3C01D60745B0","Temperature":42.9},"DS18B20-2":{"Id":"3C01D… --- ## [Can't POST from local machine](https://discourse.nodered.org/t/cant-post-from-local-machine/44923)
**Author:** [@TheHam](https://discourse.nodered.org/u/TheHam)\ **Replies:** 14\ **Last updated:** [29 April 2021 12:33 UTC](https://discourse.nodered.org/t/cant-post-from-local-machine/44923 "2021-04-29T12:33:31Z")
I have this flow that works nicely when I try to access the HTTP IN node via an external machine curl "http://192.168.50.59:1880/callback\_google\_meet\_url" -X POST -d "test" However, if I try connect it locally it does… --- ## [Access variables in flow without connecting it (function)](https://discourse.nodered.org/t/access-variables-in-flow-without-connecting-it-function/44926)
**Author:** [@AxelD](https://discourse.nodered.org/u/AxelD)\ **Replies:** 5\ **Last updated:** [29 April 2021 11:37 UTC](https://discourse.nodered.org/t/access-variables-in-flow-without-connecting-it-function/44926 "2021-04-29T11:37:39Z")
Hey guys! In my function i want to have access to other variables. I want to send a string to my function without connecting it. In the inject node is a string "Axel" and I send this to a change node en change the msg. … --- ## [Node red http node](https://discourse.nodered.org/t/node-red-http-node/44918)
**Author:** [@Kartiknodered](https://discourse.nodered.org/u/Kartiknodered)\ **Replies:** 14\ **Last updated:** [29 April 2021 11:29 UTC](https://discourse.nodered.org/t/node-red-http-node/44918 "2021-04-29T11:29:39Z")
Hiii, I have a doubt. Why my http node show "No response object error in debug". But when i reload my web page this error is removed. --- ## [Losing flows from changing of device name](https://discourse.nodered.org/t/losing-flows-from-changing-of-device-name/44875)
**Author:** [@HappyArthur](https://discourse.nodered.org/u/HappyArthur)\ **Replies:** 10\ **Last updated:** [29 April 2021 11:25 UTC](https://discourse.nodered.org/t/losing-flows-from-changing-of-device-name/44875 "2021-04-29T11:25:04Z")
So I recently was tasked to do a project, and Node-red was involved in it. I had to change the name of my device to download another software, but after changing when I launch my Node-red all of my previous flowcharts a… --- ## [Node-Red Install](https://discourse.nodered.org/t/node-red-install/44925)
**Author:** [@Eintracht00](https://discourse.nodered.org/u/Eintracht00)\ **Replies:** 11\ **Last updated:** [29 April 2021 11:08 UTC](https://discourse.nodered.org/t/node-red-install/44925 "2021-04-29T11:08:59Z")
Hey i run my Node-Red locally on my Laptop. That works well with: nodejs -v = v15.10.0 and npm -v = 7.6.0. I did this in March. Now i want to install Node-Red on a Windows Server 2012 R2. First i downloaded the newest… --- ## [Help array: need to put an array in an array](https://discourse.nodered.org/t/help-array-need-to-put-an-array-in-an-array/44922)
**Author:** [@AxelD](https://discourse.nodered.org/u/AxelD)\ **Replies:** 2\ **Last updated:** [29 April 2021 10:06 UTC](https://discourse.nodered.org/t/help-array-need-to-put-an-array-in-an-array/44922 "2021-04-29T10:06:08Z")
Hey guys! I need some help. In the first payload there is an array of data and I want to write a function that puts that array one step further. Now it is msg.payload\[ \] ==\> I want it to be msg.payload.metadata\[ \] C… --- ## [Complete newbie, please help](https://discourse.nodered.org/t/complete-newbie-please-help/44902)
**Author:** [@waynen1967](https://discourse.nodered.org/u/waynen1967)\ **Replies:** 2\ **Last updated:** [29 April 2021 09:37 UTC](https://discourse.nodered.org/t/complete-newbie-please-help/44902 "2021-04-29T09:37:44Z")
Hello, new to Home Assistant and Node Red, about a week in, attempting to make a flow that closes my garage door if all of us 3 people living here leave. I have started with an state node, and I see I can add conditions … --- ## [Node-Red embedding Grafana - Get click actions](https://discourse.nodered.org/t/node-red-embedding-grafana-get-click-actions/44878)
**Author:** [@esalles](https://discourse.nodered.org/u/esalles)\ **Replies:** 1\ **Last updated:** [29 April 2021 09:20 UTC](https://discourse.nodered.org/t/node-red-embedding-grafana-get-click-actions/44878 "2021-04-29T09:20:36Z")
Hello Guys, I embedded some grafana panels into dashboard, based on iframes. Now, I'm looking for a way to get the zoom selection out from the panel (and I'm not so skilled in JS stuffs unfortunately) to manage some da… --- ## [Runtime setFlows interface does not match documentation](https://discourse.nodered.org/t/runtime-setflows-interface-does-not-match-documentation/44909)
**Author:** [@okm](https://discourse.nodered.org/u/okm)\ **Replies:** 2\ **Last updated:** [29 April 2021 08:57 UTC](https://discourse.nodered.org/t/runtime-setflows-interface-does-not-match-documentation/44909 "2021-04-29T08:57:26Z")
Hello, I want to reload the flows programmatically. Therefore I want to use the setFlows function of the node runtime. (DefinitelyTyped/index.d.ts at master · DefinitelyTyped/DefinitelyTyped · GitHub) /\*\* \* Sets the… [Previous page](https://discourse.nodered.org/latest.md?page=825) [Next page](https://discourse.nodered.org/latest.md?page=827)