# Latest **URL:** https://discourse.nodered.org/latest.md?page=1059 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 1060 --- ## [Efficient Database Updates](https://discourse.nodered.org/t/efficient-database-updates/28965)
**Author:** [@ddelapasse](https://discourse.nodered.org/u/ddelapasse)\ **Replies:** 7\ **Last updated:** [25 June 2020 19:38 UTC](https://discourse.nodered.org/t/efficient-database-updates/28965 "2020-06-25T19:38:39Z")
Hi, I have a few hundred rows in Mongodb that I need extract on a scheduled basis, run each row through some functions and then update the database. I grabbed Mongodb3 connector because it allowed BulkWrite and UpdateM… --- ## [Read/Write data from Omron (NJ501-1400) PLC into node-red](https://discourse.nodered.org/t/read-write-data-from-omron-nj501-1400-plc-into-node-red/10066)
**Author:** [@Shiekh](https://discourse.nodered.org/u/Shiekh)\ **Replies:** 10\ **Last updated:** [25 June 2020 19:10 UTC](https://discourse.nodered.org/t/read-write-data-from-omron-nj501-1400-plc-into-node-red/10066 "2020-06-25T19:10:25Z")
Hi, I need to connect Omron (NJ501-1400) PLC with the node-red. Is there some node (like node-red-contrib-s7 for Siemens PLC) to communicate with the Omron PLC ? What could be the most suitable way to establish connecti… --- ## [Make my own node](https://discourse.nodered.org/t/make-my-own-node/28854)
**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\ **Replies:** 10\ **Last updated:** [25 June 2020 19:07 UTC](https://discourse.nodered.org/t/make-my-own-node/28854 "2020-06-25T19:07:35Z")
I want to build my own Node any guide? --- ## [Blind recommendations](https://discourse.nodered.org/t/blind-recommendations/28823)
**Author:** [@Roaders](https://discourse.nodered.org/u/Roaders)\ **Replies:** 5\ **Last updated:** [25 June 2020 19:04 UTC](https://discourse.nodered.org/t/blind-recommendations/28823 "2020-06-25T19:04:24Z")
Hi All I want to get some node-red (and Google assistant) controlled blinds. Does anyone have any UK recommendations? I have heard of blinds that last for 6 months on a single charge - that sounds great (but not sure i… --- ## [Authentication issues](https://discourse.nodered.org/t/authentication-issues/28997)
**Author:** [@Joaovitor](https://discourse.nodered.org/u/Joaovitor)\ **Replies:** 0\ **Last updated:** [25 June 2020 18:30 UTC](https://discourse.nodered.org/t/authentication-issues/28997 "2020-06-25T18:30:58Z")
I read the security documentation of the publisher and decided to implement password and user through AdminAuth. However, I'm having problems: no matter how much I write the same information as the registry, I still have… --- ## [Using a string as hex not as string](https://discourse.nodered.org/t/using-a-string-as-hex-not-as-string/28974)
**Author:** [@Bond246](https://discourse.nodered.org/u/Bond246)\ **Replies:** 2\ **Last updated:** [25 June 2020 18:18 UTC](https://discourse.nodered.org/t/using-a-string-as-hex-not-as-string/28974 "2020-06-25T18:18:11Z")
Hello, in my flow i'm working with xml-files. The xml-file is translated to json so every xml-tag is already a json-key with string-value. One of the xml-values should not be a string-type it shout be hex: 31343a31353… --- ## [Beginner - button on web page to control relay](https://discourse.nodered.org/t/beginner-button-on-web-page-to-control-relay/28896)
**Author:** [@henryammons](https://discourse.nodered.org/u/henryammons)\ **Replies:** 3\ **Last updated:** [25 June 2020 17:27 UTC](https://discourse.nodered.org/t/beginner-button-on-web-page-to-control-relay/28896 "2020-06-25T17:27:25Z")
Hello, I am new to Node-Red. I have a relay attached to a Pi using GPIO, pin 26. I am trying to create a basic web page (UI) with a button, that when pressed, sends a '1' to the relay turning it on, then when the butt… --- ## [Cursor in wrong position](https://discourse.nodered.org/t/cursor-in-wrong-position/27217)
**Author:** [@Yo-Pappie](https://discourse.nodered.org/u/Yo-Pappie)\ **Replies:** 8\ **Last updated:** [25 June 2020 17:20 UTC](https://discourse.nodered.org/t/cursor-in-wrong-position/27217 "2020-06-25T17:20:46Z")
Good day I am new to Node Red, I have only been playing around for the past month or so. I have a Raspberry Pi 3 setup with Node Red installed on it with the following Nodes installed: node-red-contrib-amazon-echo no… --- ## [HueMagic Problem](https://discourse.nodered.org/t/huemagic-problem/28937)
**Author:** [@MAaron](https://discourse.nodered.org/u/MAaron)\ **Replies:** 26\ **Last updated:** [25 June 2020 17:13 UTC](https://discourse.nodered.org/t/huemagic-problem/28937 "2020-06-25T17:13:52Z")
Hi there! I have a huge problem... I have Philips Hue bulbs, and for the past 3 days, after I updated the nodepalette for huemagic, my nodes don't work as they used to... The problem is with the function node. I had t… --- ## [How to build a modal switch](https://discourse.nodered.org/t/how-to-build-a-modal-switch/28986)
**Author:** [@Noh](https://discourse.nodered.org/u/Noh)\ **Replies:** 0\ **Last updated:** [25 June 2020 16:47 UTC](https://discourse.nodered.org/t/how-to-build-a-modal-switch/28986 "2020-06-25T16:47:11Z")
I have built an Arduino based humidity switch for my bathroom fan: Arduino1 + humidity sensor, publishing humidity value on MQTT Arduino2 + relay, connected to fan & subscribing to fanState ("ON"/"OFF") Raspberry Pi + … --- ## [Idea about existing trello item (compound rules for switch node)](https://discourse.nodered.org/t/idea-about-existing-trello-item-compound-rules-for-switch-node/28963)
**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\ **Replies:** 11\ **Last updated:** [25 June 2020 15:57 UTC](https://discourse.nodered.org/t/idea-about-existing-trello-item-compound-rules-for-switch-node/28963 "2020-06-25T15:57:38Z")
Hi folks, Just to make it clear: this is NO feature request. It is only an idea about an existing Trello item (switch-add-compound-rules): Today at work I had to create a compound filter in the Zabbix user interface… --- ## [Multiple Nodes In One Module/Package?](https://discourse.nodered.org/t/multiple-nodes-in-one-module-package/28853)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 24\ **Last updated:** [25 June 2020 13:49 UTC](https://discourse.nodered.org/t/multiple-nodes-in-one-module-package/28853 "2020-06-25T13:49:02Z")
How does one configure the package.json, and respective js and html files to have multiple nodes defined in one module/package? I took a crack at it, and I am getting a really, at least to me odd error in the manage pal… --- ## [Write data to Influxdb 2.0 with Node Red- Type Error](https://discourse.nodered.org/t/write-data-to-influxdb-2-0-with-node-red-type-error/28950)
**Author:** [@neelanjan](https://discourse.nodered.org/u/neelanjan)\ **Replies:** 6\ **Last updated:** [25 June 2020 13:14 UTC](https://discourse.nodered.org/t/write-data-to-influxdb-2-0-with-node-red-type-error/28950 "2020-06-25T13:14:30Z")
Hi, I have been using Nodered to write data influxdb 1.7 and thats running perfectly. Now, I am trying to write the same data using the same format that used with Influxdb 1.7, I am getting Type Error :- On the Influx… --- ## [Need a bit of help on making two columns in contrib node](https://discourse.nodered.org/t/need-a-bit-of-help-on-making-two-columns-in-contrib-node/28874)
**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\ **Replies:** 10\ **Last updated:** [24 June 2020 15:37 UTC](https://discourse.nodered.org/t/need-a-bit-of-help-on-making-two-columns-in-contrib-node/28874 "2020-06-24T15:37:31Z")
I'm doing a PR on contrib-simpletime to add in checkboxes for the various properties - got it working but my CSS knowledge is basically look at someone else's code and copy/paste and I'm struggling to get the columns to … --- ## [Combined two data](https://discourse.nodered.org/t/combined-two-data/28856)
**Author:** [@seyeon](https://discourse.nodered.org/u/seyeon)\ **Replies:** 21\ **Last updated:** [25 June 2020 11:14 UTC](https://discourse.nodered.org/t/combined-two-data/28856 "2020-06-25T11:14:52Z")
hello, guys. First of all, I'm sorry to use a translator. I try to adjust the brightness using two data. 3 conditional statement sensor \<= 40 & light == 250 \>\>\> bright dimming x\<=250; x++ 40 \< sensor… --- ## [Trying to work out why not getting updates for a particular output from a script](https://discourse.nodered.org/t/trying-to-work-out-why-not-getting-updates-for-a-particular-output-from-a-script/28810)
**Author:** [@dclear](https://discourse.nodered.org/u/dclear)\ **Replies:** 20\ **Last updated:** [25 June 2020 10:25 UTC](https://discourse.nodered.org/t/trying-to-work-out-why-not-getting-updates-for-a-particular-output-from-a-script/28810 "2020-06-25T10:25:31Z")
I have a PHP script which returns states for the extensions on my home's phone network. I recently moved from the exec node to the daemon node which bizarrely necessitated a couple of unwanted changes to the way my flow… --- ## [Proposed values for subflows](https://discourse.nodered.org/t/proposed-values-for-subflows/28921)
**Author:** [@NeoCortex](https://discourse.nodered.org/u/NeoCortex)\ **Replies:** 5\ **Last updated:** [25 June 2020 10:23 UTC](https://discourse.nodered.org/t/proposed-values-for-subflows/28921 "2020-06-25T10:23:34Z")
Hi everyone, This is my first post, after playing around with node-red for some hours... I really love Node-red and want to make my flows tidier und easier to service... I use Node-red in conjunction with debmatic to … --- ## [Convert hex string to float](https://discourse.nodered.org/t/convert-hex-string-to-float/28893)
**Author:** [@steifanc](https://discourse.nodered.org/u/steifanc)\ **Replies:** 20\ **Last updated:** [25 June 2020 10:23 UTC](https://discourse.nodered.org/t/convert-hex-string-to-float/28893 "2020-06-25T10:23:00Z")
Hi, This is probably pretty rudimentary but I can't seem to get it right. I have a JSON object containing a HEX value, im trying to change it to a float/decimal it's a temperature reading. --- ## [Exec node 2 commands after each other](https://discourse.nodered.org/t/exec-node-2-commands-after-each-other/28957)
**Author:** [@zsoni96](https://discourse.nodered.org/u/zsoni96)\ **Replies:** 2\ **Last updated:** [25 June 2020 10:12 UTC](https://discourse.nodered.org/t/exec-node-2-commands-after-each-other/28957 "2020-06-25T10:12:07Z")
Hi I ve got a question when I run exec commands it works perfectly but i want it to do 2 commands after each other is it posssible? eg: cd to a given directoy start a sometgin in that directory eg.: a python script --- ## [Http in POST with file attachement](https://discourse.nodered.org/t/http-in-post-with-file-attachement/28901)
**Author:** [@Bond246](https://discourse.nodered.org/u/Bond246)\ **Replies:** 2\ **Last updated:** [25 June 2020 10:05 UTC](https://discourse.nodered.org/t/http-in-post-with-file-attachement/28901 "2020-06-25T10:05:48Z")
Hello everyone, i'm trying to define a flow with "http in"-node in POST-mode. Idea is to upload a xml-file via http-POST from a different machine to node red. In node-red i want to use this file. I've already configur… --- ## [Use of msg, send, done in node that can also be triggered by button & more than one input msg to one logical process, when to call done?](https://discourse.nodered.org/t/use-of-msg-send-done-in-node-that-can-also-be-triggered-by-button-more-than-one-input-msg-to-one-logical-process-when-to-call-done/28934)
**Author:** [@JGKK](https://discourse.nodered.org/u/JGKK)\ **Replies:** 13\ **Last updated:** [25 June 2020 09:21 UTC](https://discourse.nodered.org/t/use-of-msg-send-done-in-node-that-can-also-be-triggered-by-button-more-than-one-input-msg-to-one-logical-process-when-to-call-done/28934 "2020-06-25T09:21:21Z")
Hello, little question here: For my sox record node i have the option that the user can choose whether to start recording on an input message or have no input but a button like the inject node instead to start and stop… --- ## [Node-Red Thingsboard mqtt problem](https://discourse.nodered.org/t/node-red-thingsboard-mqtt-problem/28940)
**Author:** [@profile](https://discourse.nodered.org/u/profile)\ **Replies:** 3\ **Last updated:** [25 June 2020 08:13 UTC](https://discourse.nodered.org/t/node-red-thingsboard-mqtt-problem/28940 "2020-06-25T08:13:22Z")
Hello i'm not able to send values to Thingsboard from node red using mqtt. Broker = demo.thingsboard.io port = 1883 topic = v1/devices/me/telemetry copied the correct access token multiple times. have tried sending… --- ## [Button clickable at design level](https://discourse.nodered.org/t/button-clickable-at-design-level/28352)
**Author:** [@Robertotarga](https://discourse.nodered.org/u/Robertotarga)\ **Replies:** 8\ **Last updated:** [25 June 2020 08:12 UTC](https://discourse.nodered.org/t/button-clickable-at-design-level/28352 "2020-06-25T08:12:30Z")
When you add a button node to your flow you have to go to the dashboard window to test its operability. To see the message flow in the debugger you have to go back to the design window. This windows juggling can be very… --- ## [MQTT Thingsboard; no trace](https://discourse.nodered.org/t/mqtt-thingsboard-no-trace/17047)
**Author:** [@claib](https://discourse.nodered.org/u/claib)\ **Replies:** 33\ **Last updated:** [25 June 2020 06:49 UTC](https://discourse.nodered.org/t/mqtt-thingsboard-no-trace/17047 "2020-06-25T06:49:34Z")
Hi there i've got a NR instance on RPI up and running. Some Modbus sensors sending MQTT Messages to test successfully to hive broker; works fine I can re-read them even from the broker: I want to send the messages … --- ## [Sonoff SV Gate controller with remote wifi button](https://discourse.nodered.org/t/sonoff-sv-gate-controller-with-remote-wifi-button/28814)
**Author:** [@anuccite](https://discourse.nodered.org/u/anuccite)\ **Replies:** 1\ **Last updated:** [25 June 2020 04:57 UTC](https://discourse.nodered.org/t/sonoff-sv-gate-controller-with-remote-wifi-button/28814 "2020-06-25T04:57:13Z")
I have a Sliding Gate to my Rear Garage. I used the ALEKO AC1400NOR Chain Driven Sliding Gate Opener I have sucessfully gotten it working using digiblurDIY Guide to "Smart Garage Door Solutions", I just need to work ou… --- ## [Nbrowser module not working in linux](https://discourse.nodered.org/t/nbrowser-module-not-working-in-linux/28913)
**Author:** [@BradleyL717](https://discourse.nodered.org/u/BradleyL717)\ **Replies:** 2\ **Last updated:** [25 June 2020 02:12 UTC](https://discourse.nodered.org/t/nbrowser-module-not-working-in-linux/28913 "2020-06-25T02:12:23Z")
Hello, I’m trying to use the nbrowser node in my node red instance that is installed on a Ubuntu vm server. I’ve read through various forums on nightmare.js fixes with Linux servers but no luck yet. After constructing… --- ## [Dashboard Text Node Without Label?](https://discourse.nodered.org/t/dashboard-text-node-without-label/28915)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 2\ **Last updated:** [24 June 2020 20:49 UTC](https://discourse.nodered.org/t/dashboard-text-node-without-label/28915 "2020-06-24T20:49:58Z")
Is there a way to use the dashboard text node without display of the label? I suspect using a dashboard template is an option, but no sure how to setup the html in said template node to do so? --- ## [(Solved) How to able Node-Red to create files and folders on DietPi](https://discourse.nodered.org/t/solved-how-to-able-node-red-to-create-files-and-folders-on-dietpi/4973)
**Author:** [@Shark\_Polo](https://discourse.nodered.org/u/Shark_Polo)\ **Replies:** 29\ **Last updated:** [24 June 2020 19:08 UTC](https://discourse.nodered.org/t/solved-how-to-able-node-red-to-create-files-and-folders-on-dietpi/4973 "2020-06-24T19:08:55Z")
Hi all. I'm getting this permission error when trying to save data as a file: failed to create file: Error: EACCES: permission denied, mkdir ... I solve it by creating myself the directories and the file and given per… --- ## [Simple test node, close event never called?](https://discourse.nodered.org/t/simple-test-node-close-event-never-called/28897)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 12\ **Last updated:** [24 June 2020 17:15 UTC](https://discourse.nodered.org/t/simple-test-node-close-event-never-called/28897 "2020-06-24T17:15:20Z")
I created a simple node example, just to test input and close events. The close event never seems to fire? Did I do something boneheaded here? The node works as expected, it get the input notification in log, but neve… --- ## [Contrib Keypress](https://discourse.nodered.org/t/contrib-keypress/28820)
**Author:** [@Laurent](https://discourse.nodered.org/u/Laurent)\ **Replies:** 16\ **Last updated:** [24 June 2020 16:28 UTC](https://discourse.nodered.org/t/contrib-keypress/28820 "2020-06-24T16:28:15Z")
Good morning all, The debug node at the exit of my keypress node remains hopelessly empty although I type like a madman on my keyboard. The newbie that I am has been in the dark for three days: nothing in this forum no… [Previous page](https://discourse.nodered.org/latest.md?page=1058) [Next page](https://discourse.nodered.org/latest.md?page=1060)