# Latest **URL:** https://discourse.nodered.org/latest.md?page=559 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 560 --- ## [Mopiqtt: an MQTT integration for Mopidy](https://discourse.nodered.org/t/mopiqtt-an-mqtt-integration-for-mopidy/63215)
**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\ **Replies:** 1\ **Last updated:** [2 June 2022 10:13 UTC](https://discourse.nodered.org/t/mopiqtt-an-mqtt-integration-for-mopidy/63215 "2022-06-02T10:13:39Z")
Hi all, this is to inform you that I have just released first version of the package Mopiqtt, a Mopidy's integration to allow managing the music server through MQTT messages (based on mopidy-mqtt-NG, recently unmaintain… --- ## [Several MQTT to one InfluxDB 2.0 bucket](https://discourse.nodered.org/t/several-mqtt-to-one-influxdb-2-0-bucket/63362)
**Author:** [@airvb](https://discourse.nodered.org/u/airvb)\ **Replies:** 1\ **Last updated:** [2 June 2022 06:13 UTC](https://discourse.nodered.org/t/several-mqtt-to-one-influxdb-2-0-bucket/63362 "2022-06-02T06:13:27Z")
Hello , I'm very newbie so apologize if the question seems weird ! i have 1 mqtt provider with 3 differents topics I subscribe at each like this xxx/# The payload for each sensors is like this : chaudiere\_1/T.EXTE… --- ## [Generating new columns through different xml](https://discourse.nodered.org/t/generating-new-columns-through-different-xml/63035)
**Author:** [@Theo](https://discourse.nodered.org/u/Theo)\ **Replies:** 2\ **Last updated:** [2 June 2022 06:07 UTC](https://discourse.nodered.org/t/generating-new-columns-through-different-xml/63035 "2022-06-02T06:07:05Z")
I have a problem with the ui\_table. My table is generated dynamically, but I want to make each row editable ("editor":"input"). So far I know, it is only possible if you precise which column you want to make selectable, … --- ## [Help me test the beta version of the theme-collection](https://discourse.nodered.org/t/help-me-test-the-beta-version-of-the-theme-collection/63369)
**Author:** [@mbonani](https://discourse.nodered.org/u/mbonani)\ **Replies:** 2\ **Last updated:** [1 June 2022 21:39 UTC](https://discourse.nodered.org/t/help-me-test-the-beta-version-of-the-theme-collection/63369 "2022-06-01T21:39:31Z")
I just published a beta version of the theme-collection. It is compatible with Node-RED 3.0. I would appreciate it if you guys could test it and give me some feedback. npm install @node-red-contrib-themes/theme-collect… --- ## [Represent a JSON in a table and create a CSV file](https://discourse.nodered.org/t/represent-a-json-in-a-table-and-create-a-csv-file/63331)
**Author:** [@DemalCal96](https://discourse.nodered.org/u/DemalCal96)\ **Replies:** 3\ **Last updated:** [1 June 2022 19:55 UTC](https://discourse.nodered.org/t/represent-a-json-in-a-table-and-create-a-csv-file/63331 "2022-06-01T19:55:37Z")
Hello. I currently have a JSON that has the following structure: mobj={1356895650000:{temp1:23, temp2:25,temp3:45,temp4:12}, 1356895680000:{temp1:14, temp2:24,temp3:25,temp4:16}, 1356895710000:{temp1:13, temp2:22,temp… --- ## [How to calc sum of nested arrays with group by](https://discourse.nodered.org/t/how-to-calc-sum-of-nested-arrays-with-group-by/63371)
**Author:** [@bertvana](https://discourse.nodered.org/u/bertvana)\ **Replies:** 1\ **Last updated:** [1 June 2022 19:30 UTC](https://discourse.nodered.org/t/how-to-calc-sum-of-nested-arrays-with-group-by/63371 "2022-06-01T19:30:25Z")
Hi, I'm new to node-red and have a question regarding how to calculate the sum with group by of a nested array. The outcome I would like to have is (the sum of of amount of the payments grouped by type): \[ {"type":"c… --- ## [Trigger lights when returning home](https://discourse.nodered.org/t/trigger-lights-when-returning-home/63364)
**Author:** [@CAL37](https://discourse.nodered.org/u/CAL37)\ **Replies:** 7\ **Last updated:** [1 June 2022 17:49 UTC](https://discourse.nodered.org/t/trigger-lights-when-returning-home/63364 "2022-06-01T17:49:04Z")
I have a flow for when I return home, but currently it turns on the lights when I get into my home area. I'm having trouble trying to figure out how to only turn on the lights when I open the door from returning home. Is… --- ## [I need help for adding months without output](https://discourse.nodered.org/t/i-need-help-for-adding-months-without-output/63356)
**Author:** [@etmomoabc](https://discourse.nodered.org/u/etmomoabc)\ **Replies:** 1\ **Last updated:** [1 June 2022 17:19 UTC](https://discourse.nodered.org/t/i-need-help-for-adding-months-without-output/63356 "2022-06-01T17:19:20Z")
Below is what I am using now for heater automation, simple logic, current temp minus set temp to control on and off. It works great. But I want to add months, I need it to work only between May-October! How can it be d… --- ## [502: Bad Gateway](https://discourse.nodered.org/t/502-bad-gateway/63352)
**Author:** [@stresshead](https://discourse.nodered.org/u/stresshead)\ **Replies:** 1\ **Last updated:** [1 June 2022 16:41 UTC](https://discourse.nodered.org/t/502-bad-gateway/63352 "2022-06-01T16:41:06Z")
Had a brief (like a second) power outage last night. I can't get back into NR from Home Assistant because I'm getting a 502: Bad Gateway error. Tried restoring HA from yesterday, but that doesn't help. Running HA and NR… --- ## [Unable-to-install-node-red-missing-node-js-and-npm-stops-installation](https://discourse.nodered.org/t/unable-to-install-node-red-missing-node-js-and-npm-stops-installation/60161)
**Author:** [@Syed](https://discourse.nodered.org/u/Syed)\ **Replies:** 15\ **Last updated:** [1 June 2022 14:02 UTC](https://discourse.nodered.org/t/unable-to-install-node-red-missing-node-js-and-npm-stops-installation/60161 "2022-06-01T14:02:30Z")
Running Node-RED install for user pi at /home/pi on debian This can take 20-30 minutes on the slower Pi versions - please wait. Stop Node-RED :heavy\_check\_mark: Remove old version of Node-RED … --- ## [Nice looking project boxes](https://discourse.nodered.org/t/nice-looking-project-boxes/63053)
**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\ **Replies:** 14\ **Last updated:** [1 June 2022 13:38 UTC](https://discourse.nodered.org/t/nice-looking-project-boxes/63053 "2022-06-01T13:38:45Z")
Like many here I'm often in need of a nice small enclosure to house sensors etc. I don't have access to a 3D printer so I'm always on the lookout for something that fits the bill. There are many on the market but most … --- ## [FTP Server setup in node-red to save scanner no read images](https://discourse.nodered.org/t/ftp-server-setup-in-node-red-to-save-scanner-no-read-images/62981)
**Author:** [@jts450](https://discourse.nodered.org/u/jts450)\ **Replies:** 3\ **Last updated:** [1 June 2022 13:34 UTC](https://discourse.nodered.org/t/ftp-server-setup-in-node-red-to-save-scanner-no-read-images/62981 "2022-06-01T13:34:14Z")
I am trying to save no read images from a Datalogic scanner to FTP server in node red. I cant seem to connect to the server or if it is even created since it show as idle. I assume i am using the correct node with using … --- ## [No data Recevied with MQTT IN](https://discourse.nodered.org/t/no-data-recevied-with-mqtt-in/63284)
**Author:** [@berkerali](https://discourse.nodered.org/u/berkerali)\ **Replies:** 26\ **Last updated:** [1 June 2022 11:51 UTC](https://discourse.nodered.org/t/no-data-recevied-with-mqtt-in/63284 "2022-06-01T11:51:37Z")
Hi, This is my first question to this forum. Sorry, If I make a mistake in question format. I use ESP32 to send CAN protocol frames and I am able to get data using python paho succesfully. (python script is attached). … --- ## [Gauge wont update](https://discourse.nodered.org/t/gauge-wont-update/63350)
**Author:** [@Nice\_to\_have](https://discourse.nodered.org/u/Nice_to_have)\ **Replies:** 6\ **Last updated:** [1 June 2022 10:40 UTC](https://discourse.nodered.org/t/gauge-wont-update/63350 "2022-06-01T10:40:59Z")
Hi everyone, I have a compass gauge on my dashboard which wont update when a new value arrives. The gauge only changes after FULL deploy. It doesn't respond to any value after that. The gauge label does update. A tex… --- ## [MQTT issues with dynamic subscribtions](https://discourse.nodered.org/t/mqtt-issues-with-dynamic-subscribtions/63348)
**Author:** [@azerty123456](https://discourse.nodered.org/u/azerty123456)\ **Replies:** 2\ **Last updated:** [1 June 2022 09:29 UTC](https://discourse.nodered.org/t/mqtt-issues-with-dynamic-subscribtions/63348 "2022-06-01T09:29:17Z")
Hello, I'm using in and out mqtt nodes with dynamic subscribtions. Through my dashboard I can type broker IP, ports and credentials and I've connect and disconnect buttons. It's working fine if the connexion can be es… --- ## [My first "complex" flow..why is the flow still running when a binary condition is off in Home assistant?](https://discourse.nodered.org/t/my-first-complex-flow-why-is-the-flow-still-running-when-a-binary-condition-is-off-in-home-assistant/63307)
**Author:** [@Zeltak](https://discourse.nodered.org/u/Zeltak)\ **Replies:** 2\ **Last updated:** [1 June 2022 09:02 UTC](https://discourse.nodered.org/t/my-first-complex-flow-why-is-the-flow-still-running-when-a-binary-condition-is-off-in-home-assistant/63307 "2022-06-01T09:02:35Z")
hi all! a neweb loving playing in recent days with node-red and even more the fantastic community here! so I have my first "complex" flow (a simple presence faker) I have created and it works very well apart from the t… --- ## [Refresh a running node-red instance (after npm install \)](https://discourse.nodered.org/t/refresh-a-running-node-red-instance-after-npm-install-mynode/63338)
**Author:** [@schwebo](https://discourse.nodered.org/u/schwebo)\ **Replies:** 3\ **Last updated:** [1 June 2022 08:24 UTC](https://discourse.nodered.org/t/refresh-a-running-node-red-instance-after-npm-install-mynode/63338 "2022-06-01T08:24:30Z")
The Title says all;) i run a node-red instance. Parallel i play around developing a node to get confident with it. and i dont want do to allways.. kill node-red =\> install my node =\> start node-red.. is there node in… --- ## [Node-lifetime stateful flows](https://discourse.nodered.org/t/node-lifetime-stateful-flows/63280)
**Author:** [@schwebo](https://discourse.nodered.org/u/schwebo)\ **Replies:** 3\ **Last updated:** [1 June 2022 08:21 UTC](https://discourse.nodered.org/t/node-lifetime-stateful-flows/63280 "2022-06-01T08:21:00Z")
Good Morning folks, iam new in Node-Red, and i habe some question about the node instancing and lifetime concept, due to implemente a custom node:) for instance i implemente a own tcp protocol, but i want keep the conn… --- ## [Cant read or write with modbus nodes to two diffrent devices](https://discourse.nodered.org/t/cant-read-or-write-with-modbus-nodes-to-two-diffrent-devices/62719)
**Author:** [@SP-Mushrooms](https://discourse.nodered.org/u/SP-Mushrooms)\ **Replies:** 5\ **Last updated:** [1 June 2022 06:56 UTC](https://discourse.nodered.org/t/cant-read-or-write-with-modbus-nodes-to-two-diffrent-devices/62719 "2022-06-01T06:56:12Z")
I am using 2 jetson nano connected via wire using modebus serial trying to write and read data I am using node red 11.1.1 and the module is node-red-contrib-modbus I am new to node red only starting this week this is … --- ## [Pass message between websocket-in and websocket-out](https://discourse.nodered.org/t/pass-message-between-websocket-in-and-websocket-out/63133)
**Author:** [@Tiramisupxl](https://discourse.nodered.org/u/Tiramisupxl)\ **Replies:** 2\ **Last updated:** [1 June 2022 01:51 UTC](https://discourse.nodered.org/t/pass-message-between-websocket-in-and-websocket-out/63133 "2022-06-01T01:51:08Z")
How to pass message between websocket-in and websocket-out node? I have set a msg.device before websocket-in node and want to get it after websocket-out node, but I got undefined. I cannot use flow variables to save it… --- ## [How to select payload from specific button (tasmota node)](https://discourse.nodered.org/t/how-to-select-payload-from-specific-button-tasmota-node/63297)
**Author:** [@ferbulous](https://discourse.nodered.org/u/ferbulous)\ **Replies:** 2\ **Last updated:** [31 May 2022 23:36 UTC](https://discourse.nodered.org/t/how-to-select-payload-from-specific-button-tasmota-node/63297 "2022-05-31T23:36:47Z")
Hello, I'm using tasmota node for my 2 gang switch How can I pick up the payload specifically from each button? For the moment, I'm just using switch node to receive 'single','double' payload and so on but obviou… --- ## [How to change the text color on the dashboard](https://discourse.nodered.org/t/how-to-change-the-text-color-on-the-dashboard/63309)
**Author:** [@SebastianCast04](https://discourse.nodered.org/u/SebastianCast04)\ **Replies:** 4\ **Last updated:** [31 May 2022 23:00 UTC](https://discourse.nodered.org/t/how-to-change-the-text-color-on-the-dashboard/63309 "2022-05-31T23:00:49Z")
Hellow guys, I want to change the color of the text to white, but i can't find a way to do it, i've tried with CSS but I don't know if I'm doing something wrong, I would be very grateful if you help me --- ## [SSL certificate request](https://discourse.nodered.org/t/ssl-certificate-request/63299)
**Author:** [@cbcliff47](https://discourse.nodered.org/u/cbcliff47)\ **Replies:** 3\ **Last updated:** [31 May 2022 22:30 UTC](https://discourse.nodered.org/t/ssl-certificate-request/63299 "2022-05-31T22:30:42Z")
Hi, I was wondering if it is needed the SHA-256 algorithm to generate a certificate request for node-red or if another algorithm could be used. Thanks!! --- ## [Various HTTP request](https://discourse.nodered.org/t/various-http-request/63125)
**Author:** [@DemalCal96](https://discourse.nodered.org/u/DemalCal96)\ **Replies:** 4\ **Last updated:** [31 May 2022 22:03 UTC](https://discourse.nodered.org/t/various-http-request/63125 "2022-05-31T22:03:41Z")
Hi. I have an array with some URLs to make several HTTP request (about 40). I use a "split" node to split each message and make the HTTP request (using the node), and then I use a "join" node to join each of the requests… --- ## [Can you change tabs by clicking something within a page](https://discourse.nodered.org/t/can-you-change-tabs-by-clicking-something-within-a-page/63329)
**Author:** [@k5map](https://discourse.nodered.org/u/k5map)\ **Replies:** 4\ **Last updated:** [31 May 2022 21:48 UTC](https://discourse.nodered.org/t/can-you-change-tabs-by-clicking-something-within-a-page/63329 "2022-05-31T21:48:04Z")
I've looked but haven't been able to find a way to add a component (aka button) to a page so when you click it, it switches to one of the other pages/tabs. Does this capability exist within NR? --- ## [No Dashboard and cannot deploy new flow](https://discourse.nodered.org/t/no-dashboard-and-cannot-deploy-new-flow/63327)
**Author:** [@maru](https://discourse.nodered.org/u/maru)\ **Replies:** 2\ **Last updated:** [31 May 2022 20:16 UTC](https://discourse.nodered.org/t/no-dashboard-and-cannot-deploy-new-flow/63327 "2022-05-31T20:16:21Z")
Hi, After importing and testing a flow, I decided to disable the flow for later use. To be able to use this flow, it was necessary to install a local MySQL database (Windows laptop). I uninstalled this installation loca… --- ## [Shortest repeat interval time?](https://discourse.nodered.org/t/shortest-repeat-interval-time/63325)
**Author:** [@AmazingFlow](https://discourse.nodered.org/u/AmazingFlow)\ **Replies:** 7\ **Last updated:** [31 May 2022 20:07 UTC](https://discourse.nodered.org/t/shortest-repeat-interval-time/63325 "2022-05-31T20:07:24Z")
Hi there, When i put the inject object, it allows us to Inject once after "x" seconds, then Repeat Interval "N" seconds. On the x seconds (Inject once after...), how small time can i go? On the N seconds (repeat inte… --- ## [Calculate time difference](https://discourse.nodered.org/t/calculate-time-difference/62865)
**Author:** [@alexback](https://discourse.nodered.org/u/alexback)\ **Replies:** 13\ **Last updated:** [31 May 2022 19:28 UTC](https://discourse.nodered.org/t/calculate-time-difference/62865 "2022-05-31T19:28:19Z")
Hey, how can I calculate the difference between two time inputs. Thanks --- ## [Alexa save cookie to context](https://discourse.nodered.org/t/alexa-save-cookie-to-context/62898)
**Author:** [@CAL37](https://discourse.nodered.org/u/CAL37)\ **Replies:** 7\ **Last updated:** [31 May 2022 19:23 UTC](https://discourse.nodered.org/t/alexa-save-cookie-to-context/62898 "2022-05-31T19:23:18Z")
@E1cid I have been using your flow for a while, but lately it's been wanting me to login to the amazon to get the cookie. Then today all of sudden it is giving me a JSON error. I have restarted, made sure it is saving t… --- ## [Node-red won't launch](https://discourse.nodered.org/t/node-red-wont-launch/4392)
**Author:** [@notaaron](https://discourse.nodered.org/u/notaaron)\ **Replies:** 19\ **Last updated:** [31 May 2022 19:14 UTC](https://discourse.nodered.org/t/node-red-wont-launch/4392 "2022-05-31T19:14:01Z")
29 Oct 11:50:27 - \[info\] Welcome to Node-RED 29 Oct 11:50:27 - \[info\] Node-RED version: v0.19.4 29 Oct 11:50:27 - \[info\] Node.js version: v8.12.0 29 Oct 11:50:27 - \[info\] Windows\_NT 10.0.17134 x64 LE 29 Oct 11:50:28… [Previous page](https://discourse.nodered.org/latest.md?page=558) [Next page](https://discourse.nodered.org/latest.md?page=560)