# Latest

**URL:** https://discourse.nodered.org/latest.md?page=679

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

**Page:** 680

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## [How to add node red whatsapp number on whatsapp group](https://discourse.nodered.org/t/how-to-add-node-red-whatsapp-number-on-whatsapp-group/54765)

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**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 0\
**Last updated:** [6 December 2021 05:05 UTC](https://discourse.nodered.org/t/how-to-add-node-red-whatsapp-number-on-whatsapp-group/54765 "2021-12-06T05:05:18Z")

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Hi, i am sending whattsapp msg via node red when i add number to a group it is not adding on group how to addd node red number on some whatsapp group

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## [Node red flows backup file (bash script) linux server](https://discourse.nodered.org/t/node-red-flows-backup-file-bash-script-linux-server/54757)

<div class="topic-metadata">

**Author:** [@saeed1](https://discourse.nodered.org/u/saeed1)\
**Replies:** 2\
**Last updated:** [6 December 2021 04:55 UTC](https://discourse.nodered.org/t/node-red-flows-backup-file-bash-script-linux-server/54757 "2021-12-06T04:55:29Z")

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hello guys, I know how to export and import the node red flows, but i want to make up the backup via bash script. Is there any specific file, that have all the flows, so that i could easily only send this file from my l…

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## [Newbie Guide for Node-Red BACnet IP](https://discourse.nodered.org/t/newbie-guide-for-node-red-bacnet-ip/54735)

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**Author:** [@JPardo](https://discourse.nodered.org/u/JPardo)\
**Replies:** 2\
**Last updated:** [6 December 2021 01:06 UTC](https://discourse.nodered.org/t/newbie-guide-for-node-red-bacnet-ip/54735 "2021-12-06T01:06:46Z")

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Hi Everyone, I am new to node-red and wanted to learn on how to integrate my BACnet IP device to Node-Red. I have been checking youtube but there's none. Hope you guys can share some step by steps guide. I wanted to us…

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## [\`join\` node - not understanding the docs](https://discourse.nodered.org/t/join-node-not-understanding-the-docs/54738)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [6 December 2021 00:08 UTC](https://discourse.nodered.org/t/join-node-not-understanding-the-docs/54738 "2021-12-06T00:08:47Z")

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A timeout can be set to trigger sending the new message using whatever has been received so far. A timeout..... seconds, minutes, hours?

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## [Survey about open source software development](https://discourse.nodered.org/t/survey-about-open-source-software-development/54761)

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**Author:** [@sheng](https://discourse.nodered.org/u/sheng)\
**Replies:** 0\
**Last updated:** [5 December 2021 22:47 UTC](https://discourse.nodered.org/t/survey-about-open-source-software-development/54761 "2021-12-05T22:47:35Z")

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Hello, I hope this is the right place to ask, but I’m currently looking for participants for my survey that I’m doing for my master thesis. The research deals with the relationship between agile practices and open sourc…

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## [TypeError: Cannot read property 'setup' of undefined (line:289)](https://discourse.nodered.org/t/typeerror-cannot-read-property-setup-of-undefined-line-289/54743)

<div class="topic-metadata">

**Author:** [@gingerhelp](https://discourse.nodered.org/u/gingerhelp)\
**Replies:** 4\
**Last updated:** [5 December 2021 22:19 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-property-setup-of-undefined-line-289/54743 "2021-12-05T22:19:40Z")

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Hi everybody, I have been playing with uibuilder and really enjoying it. Developing it locally, everything has went smoothly but I have been running into an issue when I am deploying it out as a Docker image and I was …

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## [Permission denied](https://discourse.nodered.org/t/permission-denied/54677)

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**Author:** [@manjha](https://discourse.nodered.org/u/manjha)\
**Replies:** 20\
**Last updated:** [5 December 2021 20:11 UTC](https://discourse.nodered.org/t/permission-denied/54677 "2021-12-05T20:11:51Z")

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I have an existing Node-Red flow that will append a record to a file on my NAS. This has been running just file for many months. Today, I migrated from my old NAS to a brand new Synology DS720+. Everything works OK, I …

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## [Creating a chart in excel csv-file](https://discourse.nodered.org/t/creating-a-chart-in-excel-csv-file/54748)

<div class="topic-metadata">

**Author:** [@SEM](https://discourse.nodered.org/u/SEM)\
**Replies:** 4\
**Last updated:** [5 December 2021 19:27 UTC](https://discourse.nodered.org/t/creating-a-chart-in-excel-csv-file/54748 "2021-12-05T19:27:58Z")

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Hello everyone, I'm a student and for a project i have to extract 2 dataflows from a plc (Already done with S7 comm), then i have to make an excel-file with a chart made from those dataflows. and this chart also has to …

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## [Trouble storing time in flow variable](https://discourse.nodered.org/t/trouble-storing-time-in-flow-variable/54715)

<div class="topic-metadata">

**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 12\
**Last updated:** [5 December 2021 15:33 UTC](https://discourse.nodered.org/t/trouble-storing-time-in-flow-variable/54715 "2021-12-05T15:33:07Z")

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I am trying to store time variables in flow variables. And somehow it's not working. When I test with node.warn, everything seems ok. Also when I store actual time, it's ok. So I am puzzled here. Can anybody help me out? …

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## [How to access ip of AB PLC via rbpi](https://discourse.nodered.org/t/how-to-access-ip-of-ab-plc-via-rbpi/54733)

<div class="topic-metadata">

**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 3\
**Last updated:** [5 December 2021 15:21 UTC](https://discourse.nodered.org/t/how-to-access-ip-of-ab-plc-via-rbpi/54733 "2021-12-05T15:21:38Z")

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Hi, i have rbpi4 and node red installed on it, connect rbpi with laptop via vnc now i want to access my AB plc via rbpi what i did is attached rbpi eth0 to plc and connect rbpi with my laptop via vnc, now i can access …

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## [Editing json file in dashboard with 100+ lines](https://discourse.nodered.org/t/editing-json-file-in-dashboard-with-100-lines/54684)

<div class="topic-metadata">

**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 2\
**Last updated:** [5 December 2021 14:21 UTC](https://discourse.nodered.org/t/editing-json-file-in-dashboard-with-100-lines/54684 "2021-12-05T14:21:15Z")

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Hi! I have a json file with 100+ records. I would like to crate a dashboard to edit this file and change settings that are saved in the file But with 100 line it is a lot of work :wink: So i try to make something "sm…

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## [Injecting a string in a function not working](https://discourse.nodered.org/t/injecting-a-string-in-a-function-not-working/54676)

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**Author:** [@peterda](https://discourse.nodered.org/u/peterda)\
**Replies:** 5\
**Last updated:** [5 December 2021 11:17 UTC](https://discourse.nodered.org/t/injecting-a-string-in-a-function-not-working/54676 "2021-12-05T11:17:44Z")

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Newbie at work: In my function node this works: msg.payload = Buffer.from('-v.?\\r') return msg; Passing the string from my injection node (as in the flow), it does not work: msg.payload = Buffer.from(msg.payload) ret…

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## [Adding values but more like \`AND\` than \`+\`](https://discourse.nodered.org/t/adding-values-but-more-like-and-than/54723)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 23\
**Last updated:** [5 December 2021 11:00 UTC](https://discourse.nodered.org/t/adding-values-but-more-like-and-than/54723 "2021-12-05T11:00:46Z")

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This is a recent thing I got working. Thanks to all who helped me with the syntax error I made. The problem now is it is a bit too good at doing what I want it to do. The idea is the R G and B values may be used for …

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## [Can anyone help with the tuya smart device node?](https://discourse.nodered.org/t/can-anyone-help-with-the-tuya-smart-device-node/51767)

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**Author:** [@DavidE1A](https://discourse.nodered.org/u/DavidE1A)\
**Replies:** 13\
**Last updated:** [5 December 2021 10:09 UTC](https://discourse.nodered.org/t/can-anyone-help-with-the-tuya-smart-device-node/51767 "2021-12-05T10:09:34Z")

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I've used the tuya-smart-device node, and following the instructions and the example flow managed to get everything linked up and can turn the bulb on and off, but I'm a bit lost as to how I can change the colour and bri…

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## [\[ANNOUNCE\] node-red-contrib-msg-profiler: 1.0.0 beta](https://discourse.nodered.org/t/announce-node-red-contrib-msg-profiler-1-0-0-beta/54609)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 12\
**Last updated:** [5 December 2021 10:05 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-msg-profiler-1-0-0-beta/54609 "2021-12-05T10:05:02Z")

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Hi folks, Last week I had somewhere a delay in my flow, but I was not sure which of my nodes was causing that. Could have found it by adding a bunch of debug nodes, or other workarounds. But lately in my daily job I h…

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## [Compare different msg and Trigger](https://discourse.nodered.org/t/compare-different-msg-and-trigger/54729)

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**Author:** [@Herbert](https://discourse.nodered.org/u/Herbert)\
**Replies:** 4\
**Last updated:** [5 December 2021 09:56 UTC](https://discourse.nodered.org/t/compare-different-msg-and-trigger/54729 "2021-12-05T09:56:07Z")

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Hello, I tried to compare two values from my solar inverter. One value is the state of charge from my battery: msg.payload Other value should be the goal. Name of msg is: msg.payload.toSolar with value 95.6. This valu…

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## [RBE node \*conflict\* after updating. Sorry](https://discourse.nodered.org/t/rbe-node-conflict-after-updating-sorry/54728)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [5 December 2021 09:12 UTC](https://discourse.nodered.org/t/rbe-node-conflict-after-updating-sorry/54728 "2021-12-05T09:12:29Z")

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NR 2.1.3 RasPi I was going through getting some nodes up to date. RBE is a problem. Before and after the update. I know a while back I was asking and was told of an updated release which addressed the problem I ment…

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## [Need some CSS help for issues with latest SVG node release](https://discourse.nodered.org/t/need-some-css-help-for-issues-with-latest-svg-node-release/54667)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 4\
**Last updated:** [5 December 2021 09:00 UTC](https://discourse.nodered.org/t/need-some-css-help-for-issues-with-latest-svg-node-release/54667 "2021-12-05T09:00:38Z")

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Hi folks, The latest 2.3.0 version of the node-red-contrib-ui-svg node contains a major issue. But it is CSS related, and that is my weakest point. So cannot get it solved on my own. Would appreciate a lot if somebo…

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## [\`catch\` node - and maybe others... \*Problem\*](https://discourse.nodered.org/t/catch-node-and-maybe-others-problem/54730)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [5 December 2021 08:12 UTC](https://discourse.nodered.org/t/catch-node-and-maybe-others-problem/54730 "2021-12-05T08:12:54Z")

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Sorry, I am sure this has been discussed before, and maybe even by me. Recent things I am using a catch node. The node it is monitoring is nicely named and so when first setting it up I knew to whom it is connected. T…

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## ["Search" and how good it is/n't. I'm stuck](https://discourse.nodered.org/t/search-and-how-good-it-is-nt-im-stuck/54719)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [4 December 2021 23:27 UTC](https://discourse.nodered.org/t/search-and-how-good-it-is-nt-im-stuck/54719 "2021-12-04T23:27:45Z")

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Folks, I nearly posted the other day and didn't because I nearly shot myself in the foot with the question I was about to ask. This is (maybe) a better worded version. Though I am not 100% sure there seems to be someth…

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## [Node-red Startup Console: connecting: mongodb://127.0.0.1:27017/{{mydb}}](https://discourse.nodered.org/t/node-red-startup-console-connecting-mongodb-127-0-0-1-27017-mydb/54722)

<div class="topic-metadata">

**Author:** [@mrSidX](https://discourse.nodered.org/u/mrSidX)\
**Replies:** 7\
**Last updated:** [4 December 2021 22:40 UTC](https://discourse.nodered.org/t/node-red-startup-console-connecting-mongodb-127-0-0-1-27017-mydb/54722 "2021-12-04T22:40:58Z")

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Hopefully someone can explain to me what's going on when I start node-red, I get a long list output on the console: connecting: mongodb://127.0.0.1:27017/{{mydb}} connecting: mongodb://127.0.0.1:27017/{{mydb}} connec…

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## [Rpi-gpio input node "stopped"](https://discourse.nodered.org/t/rpi-gpio-input-node-stopped/5184)

<div class="topic-metadata">

**Author:** [@r0drunner](https://discourse.nodered.org/u/r0drunner)\
**Replies:** 51\
**Last updated:** [4 December 2021 20:53 UTC](https://discourse.nodered.org/t/rpi-gpio-input-node-stopped/5184 "2021-12-04T20:53:17Z")

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I'm trying to follow the Rapsberrypi.org guide "getting started with Node-RED" I completed very easily the first flow for switching on/off a LED with a rpi-gpio out node and two inject nodes, but I got stuck adding a bu…

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## [Backing up data](https://discourse.nodered.org/t/backing-up-data/54368)

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**Author:** [@Hunter](https://discourse.nodered.org/u/Hunter)\
**Replies:** 8\
**Last updated:** [4 December 2021 19:05 UTC](https://discourse.nodered.org/t/backing-up-data/54368 "2021-12-04T19:05:51Z")

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Hello, I'n using NR to provide data to a large group of users (it was \> 1000 but after I lost my data I'm back about 300 now). Each user has it's own settings, stored in aUsers object, stored als file : flow.set("aUser…

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## [Facing problem in installing -node-arduino](https://discourse.nodered.org/t/facing-problem-in-installing-node-arduino/54517)

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**Author:** [@binyameenaslam342](https://discourse.nodered.org/u/binyameenaslam342)\
**Replies:** 29\
**Last updated:** [4 December 2021 16:59 UTC](https://discourse.nodered.org/t/facing-problem-in-installing-node-arduino/54517 "2021-12-04T16:59:26Z")

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I have been receiving this error. How do I resolve this? I have installed node-red locally on a PC.

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## [Jetson Nano CSI camera](https://discourse.nodered.org/t/jetson-nano-csi-camera/52727)

<div class="topic-metadata">

**Author:** [@jaafar](https://discourse.nodered.org/u/jaafar)\
**Replies:** 1\
**Last updated:** [4 December 2021 15:50 UTC](https://discourse.nodered.org/t/jetson-nano-csi-camera/52727 "2021-12-04T15:50:18Z")

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Hello Community, I'm pretty new on Node-Red, and I'm working on a project where I need to obtain a video feed from the CSI camera connected to my Jetson Nano. I only found examples about the raspberry camera but it seem…

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## [Any clever / fun ways of using info from Unifi devices?](https://discourse.nodered.org/t/any-clever-fun-ways-of-using-info-from-unifi-devices/54682)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 4\
**Last updated:** [4 December 2021 15:00 UTC](https://discourse.nodered.org/t/any-clever-fun-ways-of-using-info-from-unifi-devices/54682 "2021-12-04T15:00:22Z")

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Bit of a general / ideas gathering question here. Has anyone done anything clever with node-red-contrib-unifi, e.g. in the area of home automation - or anything really? It provides loads of detailed info about what's c…

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## [Node-Red mqtt node in String sorting with javascript](https://discourse.nodered.org/t/node-red-mqtt-node-in-string-sorting-with-javascript/54703)

<div class="topic-metadata">

**Author:** [@saeed1](https://discourse.nodered.org/u/saeed1)\
**Replies:** 8\
**Last updated:** [4 December 2021 13:59 UTC](https://discourse.nodered.org/t/node-red-mqtt-node-in-string-sorting-with-javascript/54703 "2021-12-04T13:59:36Z")

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Hi Guys! I am receiving a data srtring from a gateway at mqtt in node in node red. I am not able to understand, why my node-red debug window is showing the string length of 41, however if i count manually, length is 37…

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## [Moving LAN MQTT Broker to new machine by text editing flows.json](https://discourse.nodered.org/t/moving-lan-mqtt-broker-to-new-machine-by-text-editing-flows-json/54702)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 3\
**Last updated:** [4 December 2021 11:21 UTC](https://discourse.nodered.org/t/moving-lan-mqtt-broker-to-new-machine-by-text-editing-flows-json/54702 "2021-12-04T11:21:52Z")

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Background I need to move old Win10 machine that is running my LAN broker to a place with no wire connection so enabled WiFi on it, removed ethernet cable - changed reservation in my router to swap IP over to WiFI MAC …

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## [Need help with node-red-node-random](https://discourse.nodered.org/t/need-help-with-node-red-node-random/54697)

<div class="topic-metadata">

**Author:** [@omono35](https://discourse.nodered.org/u/omono35)\
**Replies:** 1\
**Last updated:** [4 December 2021 09:46 UTC](https://discourse.nodered.org/t/need-help-with-node-red-node-random/54697 "2021-12-04T09:46:53Z")

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I am having trouble being able to dynamically change the From and To Values on the random node. I understand that if you leave the values blank it will default to 1-10. My plan is to be able to eventually have the user…

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## [Create json object with the content of multiple input text when a button is pressed](https://discourse.nodered.org/t/create-json-object-with-the-content-of-multiple-input-text-when-a-button-is-pressed/54693)

<div class="topic-metadata">

**Author:** [@lescrisam](https://discourse.nodered.org/u/lescrisam)\
**Replies:** 2\
**Last updated:** [4 December 2021 07:15 UTC](https://discourse.nodered.org/t/create-json-object-with-the-content-of-multiple-input-text-when-a-button-is-pressed/54693 "2021-12-04T07:15:18Z")

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I have 3 text input in my ui and i would like to create a java object with the input-text content when a button is pressed for further processing. I tried to store the content of the inputtext in 3 context variables bu…

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