# Latest **URL:** https://discourse.nodered.org/latest.md?page=798 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 799 --- ## [Connection emotiv insight with node red installed on a raspberry pi4](https://discourse.nodered.org/t/connection-emotiv-insight-with-node-red-installed-on-a-raspberry-pi4/46842)

**Author:** [@BetinEc](https://discourse.nodered.org/u/BetinEc)\ **Replies:** 0\ **Last updated:** [8 June 2021 07:58 UTC](https://discourse.nodered.org/t/connection-emotiv-insight-with-node-red-installed-on-a-raspberry-pi4/46842 "2021-06-08T07:58:48Z")

I have a problem when connecting my deadema to node network, I only get connecting, I tried everything. the remote connection from EMOTIVAPP was already made and in my raspberry I already installed cortex and added the … --- ## [Node-red-contrib-ui-svg produces scrollbars](https://discourse.nodered.org/t/node-red-contrib-ui-svg-produces-scrollbars/46811)

**Author:** [@Mr\_M\_from\_K](https://discourse.nodered.org/u/Mr_M_from_K)\ **Replies:** 5\ **Last updated:** [8 June 2021 07:30 UTC](https://discourse.nodered.org/t/node-red-contrib-ui-svg-produces-scrollbars/46811 "2021-06-08T07:30:26Z")

Hello, I am doing a very small and simple ui-svg but still can't get it to the dashboard properly. It seems "something" is adding extra pixels to the left and at the top and bottom, so that I end up with scrollbars. He… --- ## [I need help, export chart-ui to PDF](https://discourse.nodered.org/t/i-need-help-export-chart-ui-to-pdf/46839)

**Author:** [@ultim0](https://discourse.nodered.org/u/ultim0)\ **Replies:** 0\ **Last updated:** [8 June 2021 06:58 UTC](https://discourse.nodered.org/t/i-need-help-export-chart-ui-to-pdf/46839 "2021-06-08T06:58:05Z")

Come posso esportare un grafico in .PDF? --- ## [Request help with making instructions for subflows so they are readable](https://discourse.nodered.org/t/request-help-with-making-instructions-for-subflows-so-they-are-readable/46834)

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 1\ **Last updated:** [8 June 2021 06:52 UTC](https://discourse.nodered.org/t/request-help-with-making-instructions-for-subflows-so-they-are-readable/46834 "2021-06-08T06:52:31Z")

Sorry folks. I am trying to understand how to include instructions on subflows. So when you click on the i button (right side of screen) you see the instructions and they are formatted correctly. I have part of it wor… --- ## [TTN Decoder - Help](https://discourse.nodered.org/t/ttn-decoder-help/46711)

**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\ **Replies:** 1\ **Last updated:** [8 June 2021 05:31 UTC](https://discourse.nodered.org/t/ttn-decoder-help/46711 "2021-06-08T05:31:36Z")

Hi, In TTN they are no longer supporting large decoders. ttndecoder.txt (27.5 KB) I know what the decoder needs to be in TTN, it is in my DECODER function. If you use inject Payload \[1,2,3\] RAW, it injects the raw pa… --- ## [Inject Node Periodic 30 minutes incomplete](https://discourse.nodered.org/t/inject-node-periodic-30-minutes-incomplete/46829)

**Author:** [@priamai](https://discourse.nodered.org/u/priamai)\ **Replies:** 3\ **Last updated:** [7 June 2021 21:33 UTC](https://discourse.nodered.org/t/inject-node-periodic-30-minutes-incomplete/46829 "2021-06-07T21:33:04Z")

Hi there, I am unable to setup a 30 minutes periodic trigger for a full day. This is my setting: I noticed that it stops at 22.30 and then jumps to next day midnight. In the selection box I am unable to select 2… --- ## [Ouvrir une fenêtre a partir d'un texte sur le tableau de bord](https://discourse.nodered.org/t/ouvrir-une-fenetre-a-partir-dun-texte-sur-le-tableau-de-bord/46830)

**Author:** [@fabien](https://discourse.nodered.org/u/fabien)\ **Replies:** 0\ **Last updated:** [7 June 2021 21:01 UTC](https://discourse.nodered.org/t/ouvrir-une-fenetre-a-partir-dun-texte-sur-le-tableau-de-bord/46830 "2021-06-07T21:01:52Z")

Bonsoir, existe t il un moyen d'ouvrir une fenêtre a partir d'un texte sur le tableau de bord. Par exemple une donnée numérique affiché sur le tableau de bord, on cliquerais dessus et un graphique apparaîtrait. --- ## [Test payload for date.now+1](https://discourse.nodered.org/t/test-payload-for-date-now-1/46820)

**Author:** [@monsivar](https://discourse.nodered.org/u/monsivar)\ **Replies:** 3\ **Last updated:** [7 June 2021 20:57 UTC](https://discourse.nodered.org/t/test-payload-for-date-now-1/46820 "2021-06-07T20:57:18Z")

I have an payload "payload.date" with format "2021-06-18" How to write an function to check if the payload.date is today's date+1 day If its true, forward message, if not, stop the message Regards Mons --- ## [ERROR msg.payload.debit undefined : Aider moi svp](https://discourse.nodered.org/t/error-msg-payload-debit-undefined-aider-moi-svp/46827)

**Author:** [@azer](https://discourse.nodered.org/u/azer)\ **Replies:** 0\ **Last updated:** [7 June 2021 17:17 UTC](https://discourse.nodered.org/t/error-msg-payload-debit-undefined-aider-moi-svp/46827 "2021-06-07T17:17:06Z")

Bonjour, Je veux extraire la valeur de débit d'air pour une alerte par email. comment faire svp? voici la fonction du capteur d'air i.o link -- english translation -- Hello, I want to extract the airflow value for … --- ## [Extract value from array based JSON](https://discourse.nodered.org/t/extract-value-from-array-based-json/46787)

**Author:** [@norb3](https://discourse.nodered.org/u/norb3)\ **Replies:** 3\ **Last updated:** [7 June 2021 18:37 UTC](https://discourse.nodered.org/t/extract-value-from-array-based-json/46787 "2021-06-07T18:37:32Z")

Hi, I have an json payload where data is organised inside an array and I want to obtain a value from one of the positions. since it is inside an array I need to filter the position that I want using a predicate. But I d… --- ## [Where can I find (or enable) an "interactive" console in node-red?](https://discourse.nodered.org/t/where-can-i-find-or-enable-an-interactive-console-in-node-red/45905)

**Author:** [@abhilash-ingale](https://discourse.nodered.org/u/abhilash-ingale)\ **Replies:** 28\ **Last updated:** [7 June 2021 17:36 UTC](https://discourse.nodered.org/t/where-can-i-find-or-enable-an-interactive-console-in-node-red/45905 "2021-06-07T17:36:59Z")

Disclaimer: Newbie Alert Hi, I am running Node-red (v1.2.9) on Raspbian (version 10 "buster"). I have connected an embedded device through USB-Serial (RS232) adapter that sends data on my USB port (/dev/ttyUSB0). After… --- ## [Cron-Plus - Triggering the currently active job](https://discourse.nodered.org/t/cron-plus-triggering-the-currently-active-job/46810)

**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\ **Replies:** 5\ **Last updated:** [7 June 2021 17:17 UTC](https://discourse.nodered.org/t/cron-plus-triggering-the-currently-active-job/46810 "2021-06-07T17:17:19Z")

Good day all and especially you @Steve-Mcl ! I have been using the node node-red-contrib-cron-plus for a little while now, converting all of my flows over to this node... All is going well, but I have run into my "skill… --- ## [Deprecation warnings](https://discourse.nodered.org/t/deprecation-warnings/46822)

**Author:** [@NPT](https://discourse.nodered.org/u/NPT)\ **Replies:** 6\ **Last updated:** [7 June 2021 16:36 UTC](https://discourse.nodered.org/t/deprecation-warnings/46822 "2021-06-07T16:36:13Z")

I suddenly started receiving a warning every time I Deploy saying, “The workspace contains some nodes that are not properly configured:” and referring to a Dashboard stylesheet (ui\_template) which has the little red pyr… --- ## [RFID tag writer](https://discourse.nodered.org/t/rfid-tag-writer/46427)

**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\ **Replies:** 7\ **Last updated:** [7 June 2021 16:05 UTC](https://discourse.nodered.org/t/rfid-tag-writer/46427 "2021-06-07T16:05:21Z")

Hello everyone. Currently, I am using " rc522" node to read rfid tags (id, data). Is there any node to write rfid tags? --- ## [Put of flow api produces z property on tab node](https://discourse.nodered.org/t/put-of-flow-api-produces-z-property-on-tab-node/46823)

**Author:** [@H3llsing](https://discourse.nodered.org/u/H3llsing)\ **Replies:** 2\ **Last updated:** [7 June 2021 15:52 UTC](https://discourse.nodered.org/t/put-of-flow-api-produces-z-property-on-tab-node/46823 "2021-06-07T15:52:06Z")

Hey all, i was playing around with the api and was testing to update all flows and a specific flow via put /flows put /flow/{flowid} i noticed that when you update a flow via /flow/{flowid} that the tab node inside o… --- ## [Adding timestamp to a switch payload and then writing it to a .CSV file](https://discourse.nodered.org/t/adding-timestamp-to-a-switch-payload-and-then-writing-it-to-a-csv-file/46819)

**Author:** [@ruansonder-r](https://discourse.nodered.org/u/ruansonder-r)\ **Replies:** 2\ **Last updated:** [7 June 2021 15:54 UTC](https://discourse.nodered.org/t/adding-timestamp-to-a-switch-payload-and-then-writing-it-to-a-csv-file/46819 "2021-06-07T15:54:23Z")

Hi, i am trying to log the times of when I switch devices on and off within my system, and the flow I have made does not work for some reason? this is my first Node-Red project. here is the Json code as well. \[{"id… --- ## [Error adding flows Cannot read property 'indexOf' of undefined](https://discourse.nodered.org/t/error-adding-flows-cannot-read-property-indexof-of-undefined/46776)

**Author:** [@levi](https://discourse.nodered.org/u/levi)\ **Replies:** 3\ **Last updated:** [7 June 2021 15:54 UTC](https://discourse.nodered.org/t/error-adding-flows-cannot-read-property-indexof-of-undefined/46776 "2021-06-07T15:54:16Z")

Hello, I was working on node-red, then one minute later when I closed and ran it again from cmd it started to give this error: "Error adding flows Cannot read property 'indexOf' of undefined" There is no error in cmd. … --- ## [Controlling WordMap node - "Auto-pan" command](https://discourse.nodered.org/t/controlling-wordmap-node-auto-pan-command/46611)

**Author:** [@NPT](https://discourse.nodered.org/u/NPT)\ **Replies:** 5\ **Last updated:** [7 June 2021 15:35 UTC](https://discourse.nodered.org/t/controlling-wordmap-node-auto-pan-command/46611 "2021-06-07T15:35:59Z")

I am successfully sending commands to the WorldMap node but have not found a command for setting Auto-pan on/off other than manually. Looking on the list of commands there doesn't appear to be a command available. I am … --- ## [RBE Node Status](https://discourse.nodered.org/t/rbe-node-status/46817)

**Author:** [@MyRandomThoughts](https://discourse.nodered.org/u/MyRandomThoughts)\ **Replies:** 2\ **Last updated:** [7 June 2021 15:16 UTC](https://discourse.nodered.org/t/rbe-node-status/46817 "2021-06-07T15:16:51Z")

What are your thoughts on having the RBE node show the current value of the property it's looking for as a node status value? It would saving having to use debug nodes or something else. --- ## [How does one set a "parameter" via a global variable](https://discourse.nodered.org/t/how-does-one-set-a-parameter-via-a-global-variable/46800)

**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\ **Replies:** 10\ **Last updated:** [7 June 2021 14:45 UTC](https://discourse.nodered.org/t/how-does-one-set-a-parameter-via-a-global-variable/46800 "2021-06-07T14:45:05Z")

Good day learned ones! I have a need to be able to set a serial port address from an defined variable that I can input via a dashboard.... Particularly these bits (particularly the Port Address, More if possible....) … --- ## [Get index of array](https://discourse.nodered.org/t/get-index-of-array/46809)

**Author:** [@MAHRULEZ](https://discourse.nodered.org/u/MAHRULEZ)\ **Replies:** 4\ **Last updated:** [7 June 2021 14:04 UTC](https://discourse.nodered.org/t/get-index-of-array/46809 "2021-06-07T14:04:54Z")

Hello again, i get an array of objects from node-red-contib-arp (note: filtering for mac adresses is not possible/working in that node!): now i try to get the array index of the searched mac adress (in this case 21) … --- ## [I cant Install node-red](https://discourse.nodered.org/t/i-cant-install-node-red/46808)

**Author:** [@d0d04m3](https://discourse.nodered.org/u/d0d04m3)\ **Replies:** 8\ **Last updated:** [7 June 2021 13:46 UTC](https://discourse.nodered.org/t/i-cant-install-node-red/46808 "2021-06-07T13:46:12Z")

hi am update nodejs and npm but node-red cant run so am removed and installed againe but nothing same issus $ npm install -g --unsafe-perm node-red npm WARN deprecated har-validator@5.1.5: this library is no longer … --- ## [Compiling Date and Time to a readable value](https://discourse.nodered.org/t/compiling-date-and-time-to-a-readable-value/46803)

**Author:** [@swanside](https://discourse.nodered.org/u/swanside)\ **Replies:** 8\ **Last updated:** [7 June 2021 13:46 UTC](https://discourse.nodered.org/t/compiling-date-and-time-to-a-readable-value/46803 "2021-06-07T13:46:59Z")

Hello again I can get the minutes, Seconds Hours, day, month and year from my device, but I cant figure out how to make it readable. Any pointers please? Thanks --- ## [Zigbee2mqtt Node](https://discourse.nodered.org/t/zigbee2mqtt-node/46780)

**Author:** [@kurtufiyde](https://discourse.nodered.org/u/kurtufiyde)\ **Replies:** 4\ **Last updated:** [7 June 2021 10:37 UTC](https://discourse.nodered.org/t/zigbee2mqtt-node/46780 "2021-06-07T10:37:23Z")

I have installed the zigbee2mqtt node node-red-contrib-zigbee2mqtt (node) - Node-RED , i have configured my z2m server details , but it is not listing the devices from my zigbee2mqtt server . tried restarting node red se… --- ## [Sonos with nodered](https://discourse.nodered.org/t/sonos-with-nodered/46805)

**Author:** [@automati](https://discourse.nodered.org/u/automati)\ **Replies:** 0\ **Last updated:** [7 June 2021 10:32 UTC](https://discourse.nodered.org/t/sonos-with-nodered/46805 "2021-06-07T10:32:42Z")

Hello everybody I managed to switch my Sonos on and off from NodeRed .. Does anyone of you know what I have to do if I want to play an alarm or sound? (i.e. an mp3 file) --- ## [Chromium not showing icon](https://discourse.nodered.org/t/chromium-not-showing-icon/46804)

**Author:** [@mikegg](https://discourse.nodered.org/u/mikegg)\ **Replies:** 0\ **Last updated:** [7 June 2021 10:28 UTC](https://discourse.nodered.org/t/chromium-not-showing-icon/46804 "2021-06-07T10:28:52Z")

I am using a ui dashboard template to display a material design icon. The code in the template is \