# Latest **URL:** https://discourse.nodered.org/latest.md?page=606 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 607 --- ## [Oauth2 with Drupal](https://discourse.nodered.org/t/oauth2-with-drupal/59975)
**Author:** [@terkaa](https://discourse.nodered.org/u/terkaa)\ **Replies:** 1\ **Last updated:** [17 March 2022 08:40 UTC](https://discourse.nodered.org/t/oauth2-with-drupal/59975 "2022-03-17T08:40:42Z")
Hi, I would like to setup a Oauth2 client for Drupal. I have already managed to setup server on Drupal and Node-Red as client. Only problem is that after clicking "Login with" button I get bounced back to same sceen. So… --- ## [Failed to load node catalog with reason ERR\_CERT\_DATE\_INVALID after upgrading to 2.2.2](https://discourse.nodered.org/t/failed-to-load-node-catalog-with-reason-err-cert-date-invalid-after-upgrading-to-2-2-2/59974)
**Author:** [@ataelim](https://discourse.nodered.org/u/ataelim)\ **Replies:** 1\ **Last updated:** [17 March 2022 09:36 UTC](https://discourse.nodered.org/t/failed-to-load-node-catalog-with-reason-err-cert-date-invalid-after-upgrading-to-2-2-2/59974 "2022-03-17T09:36:57Z")
Hello community ! after upgrading NR to latest version on Rpi3 Raspbian GNU/Linux 9 (stretch) \[ no, i am not willing to upgrade \] i am receiving the message " failed to load node catalog " upon starting the GUI editor an… --- ## [Uploading to git (not) working](https://discourse.nodered.org/t/uploading-to-git-not-working/59958)
**Author:** [@koenkv](https://discourse.nodered.org/u/koenkv)\ **Replies:** 4\ **Last updated:** [17 March 2022 08:22 UTC](https://discourse.nodered.org/t/uploading-to-git-not-working/59958 "2022-03-17T08:22:32Z")
Hello, I'm trying to upload my node-red project to github I configured node-red like in the documentain and in node-red everything looks fine and working (stage/commit) on errors also if I lock in history I can see t… --- ## [Creating files from json objects](https://discourse.nodered.org/t/creating-files-from-json-objects/59870)
**Author:** [@milner236](https://discourse.nodered.org/u/milner236)\ **Replies:** 2\ **Last updated:** [17 March 2022 06:48 UTC](https://discourse.nodered.org/t/creating-files-from-json-objects/59870 "2022-03-17T06:48:06Z")
Hello everyone. Firstly I'd like to thank members of this community for always helping out when needed. I appreciate it a lot, especially as a new node-red user. Im trying to create a flow that reads json files that inc… --- ## [V3+ additional requests](https://discourse.nodered.org/t/v3-additional-requests/59965)
**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\ **Replies:** 0\ **Last updated:** [17 March 2022 05:53 UTC](https://discourse.nodered.org/t/v3-additional-requests/59965 "2022-03-17T05:53:37Z")
Hi , Just jotting down the list of FRs - which i discussed in a couple of posts. NR Team - appreciate if you can review and add them to the backlog of the product. When etc. i am aware of constraints - so that will ha… --- ## [Nodered and zigbee gateway E180-DTU(ZG120-ETH)](https://discourse.nodered.org/t/nodered-and-zigbee-gateway-e180-dtu-zg120-eth/59947)
**Author:** [@mikear](https://discourse.nodered.org/u/mikear)\ **Replies:** 8\ **Last updated:** [16 March 2022 23:27 UTC](https://discourse.nodered.org/t/nodered-and-zigbee-gateway-e180-dtu-zg120-eth/59947 "2022-03-16T23:27:29Z")
Is it possible to control zigbee devices through an E180-DTU(ZG120-ETH) gateway using the Zigbee2mqtt bridge? My NodeRED server is located at a place where there is limited space for a USB gateway and I actually have no… --- ## [Top Banner Bar Scrolling Text (right to left or top to bottom)](https://discourse.nodered.org/t/top-banner-bar-scrolling-text-right-to-left-or-top-to-bottom/59956)
**Author:** [@aa0z](https://discourse.nodered.org/u/aa0z)\ **Replies:** 0\ **Last updated:** [16 March 2022 22:12 UTC](https://discourse.nodered.org/t/top-banner-bar-scrolling-text-right-to-left-or-top-to-bottom/59956 "2022-03-16T22:12:41Z")
I found this golden nugget of code which displays the date/time in the upper right hand corner. https://flows.nodered.org/flow/7e4bb517ce3a75add0083642ef03e9d8 It got me thinking. There is so much wasted space on the t… --- ## [Triggering a flow only the second time a message is received](https://discourse.nodered.org/t/triggering-a-flow-only-the-second-time-a-message-is-received/59944)
**Author:** [@Passi](https://discourse.nodered.org/u/Passi)\ **Replies:** 1\ **Last updated:** [16 March 2022 21:40 UTC](https://discourse.nodered.org/t/triggering-a-flow-only-the-second-time-a-message-is-received/59944 "2022-03-16T21:40:16Z")
Hello first, I'm Pascal and I'm 19 years young. At the moment I only have experience with blockly in iobroker, but I have now switched to homeassist and since note red plays an important role there, I have been trying to… --- ## [MQTT QoS 1 not working](https://discourse.nodered.org/t/mqtt-qos-1-not-working/59616)
**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\ **Replies:** 14\ **Last updated:** [16 March 2022 21:13 UTC](https://discourse.nodered.org/t/mqtt-qos-1-not-working/59616 "2022-03-16T21:13:15Z")
Hi folks, since my home automation / IoT devices grows I get the problem that mqtt messages get dropped. So I switched all mqtt nodes from QoS 0 to QoS 1 and hoped to get an easy fix. -\> fail. I am unsure why this does… --- ## [How to receive multicast messages in dockerized Node-Red](https://discourse.nodered.org/t/how-to-receive-multicast-messages-in-dockerized-node-red/59952)
**Author:** [@rucksman007](https://discourse.nodered.org/u/rucksman007)\ **Replies:** 1\ **Last updated:** [16 March 2022 21:04 UTC](https://discourse.nodered.org/t/how-to-receive-multicast-messages-in-dockerized-node-red/59952 "2022-03-16T21:04:05Z")
There is a device on my network that sends out multicast messages to a specific port (9522) and a specific IP address (239.12.255.254). I want to receive these messages in my dockerized Node-Red. But after configuring th… --- ## [Node-red s7 mpi installation error](https://discourse.nodered.org/t/node-red-s7-mpi-installation-error/59951)
**Author:** [@Rantur](https://discourse.nodered.org/u/Rantur)\ **Replies:** 0\ **Last updated:** [16 March 2022 20:51 UTC](https://discourse.nodered.org/t/node-red-s7-mpi-installation-error/59951 "2022-03-16T20:51:12Z")
Hello Experts, I am trying to install node-red MPI S7. Below are the errors. Kindly help to solve it. npm ERR! code 1 npm ERR! path C:\\Users\\Admin\\node\_modules@gfcittolin\\usb npm ERR! command failed npm ERR! command… --- ## [How write data to single register with LE (Modbus-RTU)?](https://discourse.nodered.org/t/how-write-data-to-single-register-with-le-modbus-rtu/59948)
**Author:** [@Alex\_UA](https://discourse.nodered.org/u/Alex_UA)\ **Replies:** 0\ **Last updated:** [16 March 2022 20:10 UTC](https://discourse.nodered.org/t/how-write-data-to-single-register-with-le-modbus-rtu/59948 "2022-03-16T20:10:52Z")
Hello. I ran into a problem, please help me find a solution. There is a two-channel relay with Modbus, I use the package to communicate with it node-red-contrib-modbus Read channel 1 and channel 2 state ：01 03 00 01 00… --- ## [How to send output of one python script to another in Node-RED?](https://discourse.nodered.org/t/how-to-send-output-of-one-python-script-to-another-in-node-red/59936)
**Author:** [@hkayan](https://discourse.nodered.org/u/hkayan)\ **Replies:** 3\ **Last updated:** [16 March 2022 19:49 UTC](https://discourse.nodered.org/t/how-to-send-output-of-one-python-script-to-another-in-node-red/59936 "2022-03-16T19:49:45Z")
Sorry if this is too trivial. I have the following proof-of-concept scenario: Both scripts run continuously. Script 1: while True: print("Hello ") Script 2: while True: print("World") The script 2 will on… --- ## [Flows not deploying](https://discourse.nodered.org/t/flows-not-deploying/59945)
**Author:** [@deedos](https://discourse.nodered.org/u/deedos)\ **Replies:** 0\ **Last updated:** [16 March 2022 19:24 UTC](https://discourse.nodered.org/t/flows-not-deploying/59945 "2022-03-16T19:24:45Z")
When deploying changes to a gitted project, the button gets greyed out and not deploys at all (waiting forever...) That started to happen after a very small change so I do not believed is related to code change inside pr… --- ## [Parameters in subflow](https://discourse.nodered.org/t/parameters-in-subflow/59925)
**Author:** [@msillano](https://discourse.nodered.org/u/msillano)\ **Replies:** 2\ **Last updated:** [16 March 2022 17:34 UTC](https://discourse.nodered.org/t/parameters-in-subflow/59925 "2022-03-16T17:34:06Z")
Context: For a variety of reasons, unfortunately a user must always customize and edit the flows of my current project. I want to provide the user with a series of subflows that simplify this task. Problem: I would like… --- ## [My big trouble with Wireguard (Pls help me bevor I need a therapists!)](https://discourse.nodered.org/t/my-big-trouble-with-wireguard-pls-help-me-bevor-i-need-a-therapists/59107)
**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\ **Replies:** 7\ **Last updated:** [16 March 2022 17:32 UTC](https://discourse.nodered.org/t/my-big-trouble-with-wireguard-pls-help-me-bevor-i-need-a-therapists/59107 "2022-03-16T17:32:19Z")
hello friends, I ve Wireguard running on my Raspi 4 4GB and only get a connection after a period of time and / or many tries. This makes me crazy and I cannot find a solution or reason for this. I am willed to pay money… --- ## [Continuous/reactive deployment on node creation](https://discourse.nodered.org/t/continuous-reactive-deployment-on-node-creation/59885)
**Author:** [@pablo](https://discourse.nodered.org/u/pablo)\ **Replies:** 5\ **Last updated:** [16 March 2022 14:09 UTC](https://discourse.nodered.org/t/continuous-reactive-deployment-on-node-creation/59885 "2022-03-16T14:09:36Z")
I understand that when you create a new node, then you press "deploy" to generate the workflow and run it. But, is it possible to make a reactive workflow where the options (template) of one custom node depends on the pr… --- ## [Control lights via HTTP API on a Dali IOT Gateway](https://discourse.nodered.org/t/control-lights-via-http-api-on-a-dali-iot-gateway/59924)
**Author:** [@BWTH](https://discourse.nodered.org/u/BWTH)\ **Replies:** 2\ **Last updated:** [16 March 2022 11:53 UTC](https://discourse.nodered.org/t/control-lights-via-http-api-on-a-dali-iot-gateway/59924 "2022-03-16T11:53:28Z")
Hi i am new on node red, absloute beginner, node red is set up on raspberry, i have an iot gateway to control lights, so i wan´t to control it over node red over the api commands i can controll it, who could this work… --- ## [Win 7 - Not Suported by NodeJS](https://discourse.nodered.org/t/win-7-not-suported-by-nodejs/59922)
**Author:** [@Paul49](https://discourse.nodered.org/u/Paul49)\ **Replies:** 5\ **Last updated:** [16 March 2022 11:52 UTC](https://discourse.nodered.org/t/win-7-not-suported-by-nodejs/59922 "2022-03-16T11:52:35Z")
Trying to Install on Win 7 https://nodered.org/docs/getting-started/windows This link indicates it should be possible get up and running on win 7. :slight\_smile: First step. Installing NodeJS from the link provided. D… --- ## [iEM3255 no connect to 2 slave power meter](https://discourse.nodered.org/t/iem3255-no-connect-to-2-slave-power-meter/59906)
**Author:** [@Ibnu](https://discourse.nodered.org/u/Ibnu)\ **Replies:** 14\ **Last updated:** [16 March 2022 11:04 UTC](https://discourse.nodered.org/t/iem3255-no-connect-to-2-slave-power-meter/59906 "2022-03-16T11:04:51Z")
Hello everyone i have a problem integrated 2 unit power meter Schneider iEM3255 with node-red. node-red can only read 1 device power meter. i have a trial with wiring parrarel not sloved. Has anyone here experienced … --- ## [Rate Limit per topic, releasing first message](https://discourse.nodered.org/t/rate-limit-per-topic-releasing-first-message/9669)
**Author:** [@marcusone](https://discourse.nodered.org/u/marcusone)\ **Replies:** 5\ **Last updated:** [16 March 2022 09:19 UTC](https://discourse.nodered.org/t/rate-limit-per-topic-releasing-first-message/9669 "2022-03-16T09:19:41Z")
I have a need to rate limit a notification message, by topic. So I setup the delay node to do that. However, I want only 1 message per day per topic. Unfortunately, the Delay node will "delay" 1 day before sending the… --- ## [How to obtain binary output with hex string](https://discourse.nodered.org/t/how-to-obtain-binary-output-with-hex-string/15051)
**Author:** [@mike829](https://discourse.nodered.org/u/mike829)\ **Replies:** 22\ **Last updated:** [16 March 2022 08:58 UTC](https://discourse.nodered.org/t/how-to-obtain-binary-output-with-hex-string/15051 "2022-03-16T08:58:25Z")
Hello Everybody, I just extracted a value from a string, and thanks to this forum for this. Now I would like to convert the value in substring n.5 (the value is in hex, so n.4 bit) in binary and obtain n.4 outputs like… --- ## [Adding buttons etc to Dashboard messes up layout](https://discourse.nodered.org/t/adding-buttons-etc-to-dashboard-messes-up-layout/59798)
**Author:** [@yogy](https://discourse.nodered.org/u/yogy)\ **Replies:** 11\ **Last updated:** [16 March 2022 08:14 UTC](https://discourse.nodered.org/t/adding-buttons-etc-to-dashboard-messes-up-layout/59798 "2022-03-16T08:14:55Z")
Is there a predictable way to add a object (with object I mean button, text, gauge etc) to a existing dashboard group without having the new object put random between existing objects. I have dashboard groups with 40+ o… --- ## [RSS Feed - only get the latest entry](https://discourse.nodered.org/t/rss-feed-only-get-the-latest-entry/59805)
**Author:** [@pitheway](https://discourse.nodered.org/u/pitheway)\ **Replies:** 17\ **Last updated:** [16 March 2022 07:44 UTC](https://discourse.nodered.org/t/rss-feed-only-get-the-latest-entry/59805 "2022-03-16T07:44:09Z")
Noob question. I am using NodeRed to read youtube rss and post the results to chat bot. I have noticed that when the node red server goes offline or gets rebooted the entire feed going back many entries gets reposted. q… --- ## [Node-RED docker with persistent themes](https://discourse.nodered.org/t/node-red-docker-with-persistent-themes/59911)
**Author:** [@szafran81](https://discourse.nodered.org/u/szafran81)\ **Replies:** 1\ **Last updated:** [16 March 2022 07:27 UTC](https://discourse.nodered.org/t/node-red-docker-with-persistent-themes/59911 "2022-03-16T07:27:25Z")
Hi, I've just moved from Home Assistant OS to a dockerized installation. Just finishing the configs now. I'm wondering is there a way to make installed themes persistent? Now after executing "docker-compose up" and us… --- ## [Problema con un flow](https://discourse.nodered.org/t/problema-con-un-flow/59067)
**Author:** [@ivanpesenti](https://discourse.nodered.org/u/ivanpesenti)\ **Replies:** 25\ **Last updated:** [16 March 2022 07:17 UTC](https://discourse.nodered.org/t/problema-con-un-flow/59067 "2022-03-16T07:17:53Z")
buongiorno sono un principante premetto , avrei bisogno di un aiuto . Tentando di scrivere un valore negativo su una variabile s7 write mi genera questo errore :"RangeError: The value of "value" is out of range. It must … --- ## [How to stop embedded Node-RED?](https://discourse.nodered.org/t/how-to-stop-embedded-node-red/59904)
**Author:** [@SebCanet](https://discourse.nodered.org/u/SebCanet)\ **Replies:** 0\ **Last updated:** [15 March 2022 23:44 UTC](https://discourse.nodered.org/t/how-to-stop-embedded-node-red/59904 "2022-03-15T23:44:26Z")
Hello everyone, I am developing software to help program microcontroller boards and I want to integrate Node-RED into my Electron application to retrieve data sent by my boards. I used the example code (https://nodered… --- ## [Jdbc driver files](https://discourse.nodered.org/t/jdbc-driver-files/59897)
**Author:** [@toddwarrington](https://discourse.nodered.org/u/toddwarrington)\ **Replies:** 5\ **Last updated:** [15 March 2022 22:23 UTC](https://discourse.nodered.org/t/jdbc-driver-files/59897 "2022-03-15T22:23:57Z")
I am trying to figure out where to put my jdbc driver .jar files, so Node-RED can find them when using node-red-contrib-jdbc node. --- ## [Webinar: Scale Node-RED in WAGO edge controllers](https://discourse.nodered.org/t/webinar-scale-node-red-in-wago-edge-controllers/59900)
**Author:** [@pacosta](https://discourse.nodered.org/u/pacosta)\ **Replies:** 0\ **Last updated:** [15 March 2022 20:20 UTC](https://discourse.nodered.org/t/webinar-scale-node-red-in-wago-edge-controllers/59900 "2022-03-15T20:20:59Z")
Looking to scale Node-RED applications in Wago's superb edge controllers using Prescient Designer? Then do I have a webinar for you! March 30 @ 11AM ET, join us if you would! Register HERE. --- ## [Text editor contents in node red](https://discourse.nodered.org/t/text-editor-contents-in-node-red/59858)
**Author:** [@maliheh.amirfakhry](https://discourse.nodered.org/u/maliheh.amirfakhry)\ **Replies:** 4\ **Last updated:** [15 March 2022 19:01 UTC](https://discourse.nodered.org/t/text-editor-contents-in-node-red/59858 "2022-03-15T19:01:47Z")
Hi guys, Can you please let me know how I can read the text editor contents in Node-Red? (My project is about reading a barcode scanner and sending the data to a server. ) [Previous page](https://discourse.nodered.org/latest.md?page=605) [Next page](https://discourse.nodered.org/latest.md?page=607)