# Latest **URL:** https://discourse.nodered.org/latest.md?page=1284 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 1285 --- ## [Conflicts switch- / template node](https://discourse.nodered.org/t/conflicts-switch-template-node/10703)
**Author:** [@wuppergit](https://discourse.nodered.org/u/wuppergit)\ **Replies:** 11\ **Last updated:** [2 May 2019 10:15 UTC](https://discourse.nodered.org/t/conflicts-switch-template-node/10703 "2019-05-02T10:15:51Z")
Hi, could there be an indissoluble conflict between switch- and template node on different dasboard tabs? Please have a look at the flow example below: Labels":\["on"\]},{"id":"1904c372.197ced","type":"ui\_switch","z":"9f… --- ## [What is the recommended way of upgrading Node on a Raspberry Pi?](https://discourse.nodered.org/t/what-is-the-recommended-way-of-upgrading-node-on-a-raspberry-pi/10679)
**Author:** [@TheHypnoToad](https://discourse.nodered.org/u/TheHypnoToad)\ **Replies:** 2\ **Last updated:** [2 May 2019 10:05 UTC](https://discourse.nodered.org/t/what-is-the-recommended-way-of-upgrading-node-on-a-raspberry-pi/10679 "2019-05-02T10:05:29Z")
Hi, I'm running NodeRED on a Raspberry Pi 2 and it works really well. I installed it using the guide here that says to run this script: bash \<(curl -sL https://raw.githubusercontent.com/node-red/raspbian-deb-package/ma… --- ## [Send notification](https://discourse.nodered.org/t/send-notification/10704)
**Author:** [@manal](https://discourse.nodered.org/u/manal)\ **Replies:** 8\ **Last updated:** [2 May 2019 09:43 UTC](https://discourse.nodered.org/t/send-notification/10704 "2019-05-02T09:43:32Z")
Hi All, Is there any way to send notification to mobile device(iPhone) using node-red without any Internet connection? I have one iPhone device that connects with node-red device using wi-fi in a local network. how I ca… --- ## [\[SOLVED\] Mqtt from mosquitto not update](https://discourse.nodered.org/t/solved-mqtt-from-mosquitto-not-update/10743)
**Author:** [@EnricoSx](https://discourse.nodered.org/u/EnricoSx)\ **Replies:** 2\ **Last updated:** [2 May 2019 09:13 UTC](https://discourse.nodered.org/t/solved-mqtt-from-mosquitto-not-update/10743 "2019-05-02T09:13:17Z")
very trivial question. I have mosquitto in local that receives data from another device every minutes i created a mqtt node in, but reads the values only when I press deploy localhost raspberrypi2 with mosquitto serv… --- ## [UDP Nodes Source Code](https://discourse.nodered.org/t/udp-nodes-source-code/10739)
**Author:** [@caracall](https://discourse.nodered.org/u/caracall)\ **Replies:** 1\ **Last updated:** [2 May 2019 09:12 UTC](https://discourse.nodered.org/t/udp-nodes-source-code/10739 "2019-05-02T09:12:05Z")
Hello, I was just wondering if there is a way to view the source code of "udp in" and "udp out" nodes (JavaScript and HTML files mainly). Thank you in advance! --- ## [Created color box in dashboard](https://discourse.nodered.org/t/created-color-box-in-dashboard/10741)
**Author:** [@Kwonsoyeong](https://discourse.nodered.org/u/Kwonsoyeong)\ **Replies:** 1\ **Last updated:** [2 May 2019 09:09 UTC](https://discourse.nodered.org/t/created-color-box-in-dashboard/10741 "2019-05-02T09:09:24Z")
I want to choice box color in dashboard. \
\ This is my template. I want to change background-color red to green. When I got a data, … --- ## [How to print all nodes I installed?](https://discourse.nodered.org/t/how-to-print-all-nodes-i-installed/10734)
**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\ **Replies:** 4\ **Last updated:** [2 May 2019 08:00 UTC](https://discourse.nodered.org/t/how-to-print-all-nodes-i-installed/10734 "2019-05-02T08:00:36Z")
Hi, While I can use the palatte to list all the nodes I installed, and can see them by scrolling thru visually . How do I print all the nodes I installed (excluding the nodes that came bundled with the initial NR instal… --- ## [How to test watts on panels, if watts higher than 500 then](https://discourse.nodered.org/t/how-to-test-watts-on-panels-if-watts-higher-than-500-then/10732)
**Author:** [@admintite](https://discourse.nodered.org/u/admintite)\ **Replies:** 2\ **Last updated:** [2 May 2019 02:04 UTC](https://discourse.nodered.org/t/how-to-test-watts-on-panels-if-watts-higher-than-500-then/10732 "2019-05-02T02:04:17Z")
Greetings, i have a solar system that i can talk to via MQTT and MODBUS. I would like to turn on "load" when there is enough (500 watts) solar energy. The issue is that i have to I have to turn the inverter on in order … --- ## [Trouble with mysql flow, mariandb](https://discourse.nodered.org/t/trouble-with-mysql-flow-mariandb/10699)
**Author:** [@Rassilon](https://discourse.nodered.org/u/Rassilon)\ **Replies:** 2\ **Last updated:** [1 May 2019 20:47 UTC](https://discourse.nodered.org/t/trouble-with-mysql-flow-mariandb/10699 "2019-05-01T20:47:49Z")
\[{"id":"c67aa2b8.aef96","type":"tab","label":"Flow 1","disabled":false,"info":""},{"id":"3449c78b.5e7a08","type":"mysql","z":"c67aa2b8.aef96","mydb":"5785e23e.a04c2c","name":"Temp DB","x":379.16705322265625,"y":468.84997… --- ## [Can't upgrade npm from 6.9.0 to latest on raspian stretch](https://discourse.nodered.org/t/cant-upgrade-npm-from-6-9-0-to-latest-on-raspian-stretch/10682)
**Author:** [@chuckf201](https://discourse.nodered.org/u/chuckf201)\ **Replies:** 10\ **Last updated:** [1 May 2019 17:01 UTC](https://discourse.nodered.org/t/cant-upgrade-npm-from-6-9-0-to-latest-on-raspian-stretch/10682 "2019-05-01T17:01:16Z")
My code tells me that the process worked but it hasn't. Also, can't upgrade node-red-contrib-ui-level or node-red-serialport. This all started when my 12c node for bmp085 failed. bash \<(curl -sL https://raw.githubuserc… --- ## [HTML5 number input](https://discourse.nodered.org/t/html5-number-input/10721)
**Author:** [@stevenaeola](https://discourse.nodered.org/u/stevenaeola)\ **Replies:** 0\ **Last updated:** [1 May 2019 17:57 UTC](https://discourse.nodered.org/t/html5-number-input/10721 "2019-05-01T17:57:55Z")
Hi there. Firstly thanks to all who build/maintain/contribute to node-red, it's great. I'm updating a node (more precisely, building a PR for somebody else's node). For the nodes I've created before I've used an HTML5 … --- ## [When to use MQTT mosca broker](https://discourse.nodered.org/t/when-to-use-mqtt-mosca-broker/10712)
**Author:** [@jg\_spitfire](https://discourse.nodered.org/u/jg_spitfire)\ **Replies:** 2\ **Last updated:** [1 May 2019 13:49 UTC](https://discourse.nodered.org/t/when-to-use-mqtt-mosca-broker/10712 "2019-05-01T13:49:09Z")
hi, in this tutorial mqtt node red ttn and aws he doesnt add the mosca broker, just take a mqtt out block (for me it acts just as a publisher) and send the data to aws(amazon web services) where he emulates a mqtt client… --- ## [\[help\] How to restore the path of node-red](https://discourse.nodered.org/t/help-how-to-restore-the-path-of-node-red/10663)
**Author:** [@anphalovekt](https://discourse.nodered.org/u/anphalovekt)\ **Replies:** 2\ **Last updated:** [1 May 2019 12:54 UTC](https://discourse.nodered.org/t/help-how-to-restore-the-path-of-node-red/10663 "2019-05-01T12:54:25Z")
Hi guys, I want to restore the command "node-red" to run Node Red. It doesn't work now, because I have tried to use Sqlite and I have changed the path on Environment Variables (Window 7) to C:/sqlite and I don't rememb… --- ## [Announce node-red-contrib-msg-toggle (Feedback request)](https://discourse.nodered.org/t/announce-node-red-contrib-msg-toggle-feedback-request/10705)
**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\ **Replies:** 3\ **Last updated:** [1 May 2019 12:34 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-msg-toggle-feedback-request/10705 "2019-05-01T12:34:37Z")
Hi folks, First my apologies to everybody waiting for developments on my other nodes, but have not much time and this one was just to much fun creating it ... There was a nice proposal from @Steve-Mcl last week (see di… --- ## [\[help\] How to extract 2 values from a 2 mqtt nodes](https://discourse.nodered.org/t/help-how-to-extract-2-values-from-a-2-mqtt-nodes/10668)
**Author:** [@Oshadhi1](https://discourse.nodered.org/u/Oshadhi1)\ **Replies:** 8\ **Last updated:** [1 May 2019 07:18 UTC](https://discourse.nodered.org/t/help-how-to-extract-2-values-from-a-2-mqtt-nodes/10668 "2019-05-01T07:18:04Z")
Hey, I want to extract temperature and sate from the two individual mqtt nodes and put it to a variable for an if condition. \[{"id":"e138bfbf.d608d","type":"tab","label":"Flow 4","disabled":false,"info":""},{"id":"681e2… --- ## [Count messages in rolling window?](https://discourse.nodered.org/t/count-messages-in-rolling-window/10691)
**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\ **Replies:** 6\ **Last updated:** [1 May 2019 06:44 UTC](https://discourse.nodered.org/t/count-messages-in-rolling-window/10691 "2019-05-01T06:44:03Z")
Hello, I'm looking to count the number of messages in a rolling window, i.e. 15 minutes and output the number when a new message is received, is this possible with nodes, or would I need a custom function? I've tried t… --- ## [Connecting to firebase](https://discourse.nodered.org/t/connecting-to-firebase/10702)
**Author:** [@Oshadhi1](https://discourse.nodered.org/u/Oshadhi1)\ **Replies:** 4\ **Last updated:** [1 May 2019 06:37 UTC](https://discourse.nodered.org/t/connecting-to-firebase/10702 "2019-05-01T06:37:24Z")
Hi, I tried connecting firebase through node red. But it says I'm unable to authenticate. Any advise on the authentication type selected? --- ## [Node red booting](https://discourse.nodered.org/t/node-red-booting/10688)
**Author:** [@sucram](https://discourse.nodered.org/u/sucram)\ **Replies:** 9\ **Last updated:** [30 April 2019 21:42 UTC](https://discourse.nodered.org/t/node-red-booting/10688 "2019-04-30T21:42:58Z")
Hei, can anyone look at the below start up log i get when i load node red? I have changed my ip for my tv but node red is still searching for old info! I'm not very techy but can try a little. Trying to stop last line tc… --- ## [TCP connection over lan apk](https://discourse.nodered.org/t/tcp-connection-over-lan-apk/6754)
**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\ **Replies:** 2\ **Last updated:** [30 April 2019 21:39 UTC](https://discourse.nodered.org/t/tcp-connection-over-lan-apk/6754 "2019-04-30T21:39:22Z")
This must be a silly question most probably but my knowledge on programming is very limited. I have one application that works on my mobile only when I'm connected to my lan to control remotely a printer. I'm also able… --- ## [Ideas for queuing jobs from multiple flows](https://discourse.nodered.org/t/ideas-for-queuing-jobs-from-multiple-flows/10630)
**Author:** [@Yadest](https://discourse.nodered.org/u/Yadest)\ **Replies:** 2\ **Last updated:** [30 April 2019 21:37 UTC](https://discourse.nodered.org/t/ideas-for-queuing-jobs-from-multiple-flows/10630 "2019-04-30T21:37:19Z")
Hi, I’m controlling an Arduino for a few experiments. The control includes some basic sensor requests and also some mechanic motors for occasional movement of the experiment. I have a few flows that make requests to th… --- ## [Problem to install node-red-contrib-model-asset-exchange 0.2.3](https://discourse.nodered.org/t/problem-to-install-node-red-contrib-model-asset-exchange-0-2-3/10646)
**Author:** [@PePe](https://discourse.nodered.org/u/PePe)\ **Replies:** 9\ **Last updated:** [30 April 2019 20:51 UTC](https://discourse.nodered.org/t/problem-to-install-node-red-contrib-model-asset-exchange-0-2-3/10646 "2019-04-30T20:51:14Z")
Hi, I'm trying to install : "node-red-contrib-model-asset-exchange 0.2.3" node. Tried both palette and terminal. In both cases installation fails. Is there anything specific about this node that should be done prior … --- ## [Modbus TCP/IP command](https://discourse.nodered.org/t/modbus-tcp-ip-command/10641)
**Author:** [@ihebabidi](https://discourse.nodered.org/u/ihebabidi)\ **Replies:** 5\ **Last updated:** [30 April 2019 17:47 UTC](https://discourse.nodered.org/t/modbus-tcp-ip-command/10641 "2019-04-30T17:47:22Z")
hello all ! do i have the ability to order a modbus tcp/ip node? because as soon as i click deploy its connected to the server. --- ## [TCP Output Node: Needed Clarification; Please Help](https://discourse.nodered.org/t/tcp-output-node-needed-clarification-please-help/2846)
**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\ **Replies:** 16\ **Last updated:** [30 April 2019 16:52 UTC](https://discourse.nodered.org/t/tcp-output-node-needed-clarification-please-help/2846 "2019-04-30T16:52:04Z")
Dear Sirs: (Windows 10 Node Red install.) Using a Cognex barcode reader/scanner. I need to communicate from Node-Red. The TCP Input node responds well from the scanner input and Hyperterminal input as well. I need h… --- ## [Numeric Input widget](https://discourse.nodered.org/t/numeric-input-widget/3496)
**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\ **Replies:** 4\ **Last updated:** [30 April 2019 14:40 UTC](https://discourse.nodered.org/t/numeric-input-widget/3496 "2019-04-30T14:40:17Z")
Have implemented the Numeric Input Widget ( the one with the UP and Down arrows) and set the range between min = 0 , max = 100 All is working ok. Question: We are writing the numeric value into an json file and stori… --- ## [How to check rate limit queue is empty?](https://discourse.nodered.org/t/how-to-check-rate-limit-queue-is-empty/10664)
**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\ **Replies:** 4\ **Last updated:** [30 April 2019 13:26 UTC](https://discourse.nodered.org/t/how-to-check-rate-limit-queue-is-empty/10664 "2019-04-30T13:26:33Z")
Hi, I require a way to know when the delay node rate limit queue is empty (so I can route messages an alternative way when it is), what is the best way to do this? Example: Rate limit required, rate limit messages... … --- ## [Ui\_form shortens input fields when screen is less than 960px](https://discourse.nodered.org/t/ui-form-shortens-input-fields-when-screen-is-less-than-960px/10620)
**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\ **Replies:** 2\ **Last updated:** [30 April 2019 12:43 UTC](https://discourse.nodered.org/t/ui-form-shortens-input-fields-when-screen-is-less-than-960px/10620 "2019-04-30T12:43:49Z")
Node-RED version: v0.20.5 Node.js version: v10.15.3 Darwin 17.7.0 x64 LE Dashboard version 2.14.0 started at /ui While working on a project I noticed an issue with the fields in a ui\_form. The tab and the ui\_form bot… --- ## [UDP - Out / In Functionality](https://discourse.nodered.org/t/udp-out-in-functionality/10670)
**Author:** [@Manfred](https://discourse.nodered.org/u/Manfred)\ **Replies:** 1\ **Last updated:** [30 April 2019 12:38 UTC](https://discourse.nodered.org/t/udp-out-in-functionality/10670 "2019-04-30T12:38:28Z")
Hello Guys I wonder, if there exits a node, that is able to send UDP - Messages with local port set to auto AND receive some kind of answer on the same port. ( simple send / receive UDP - Socket ) If using an UDP - In … --- ## [Header is in post request](https://discourse.nodered.org/t/header-is-in-post-request/10661)
**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\ **Replies:** 1\ **Last updated:** [30 April 2019 08:07 UTC](https://discourse.nodered.org/t/header-is-in-post-request/10661 "2019-04-30T08:07:19Z")
Hi. Trying to set the message header Content-Type but I can not get it to work. my code looks like this msg.payload = {"action":"ARM\_REQUEST"}, msg.headers = {"Content-Type":"application/vnd.assaabloy.arx.integrated-… --- ## [Location of httpStatic](https://discourse.nodered.org/t/location-of-httpstatic/10649)
**Author:** [@Dave](https://discourse.nodered.org/u/Dave)\ **Replies:** 2\ **Last updated:** [30 April 2019 05:52 UTC](https://discourse.nodered.org/t/location-of-httpstatic/10649 "2019-04-30T05:52:26Z")
I have set httpStatic: '/media/usbHDD/nas/', in my settings.js file everything is working fine however my question is can I retrieve this information in a function node.? --- ## [Another PID Question!](https://discourse.nodered.org/t/another-pid-question/10650)
**Author:** [@tiagoclc](https://discourse.nodered.org/u/tiagoclc)\ **Replies:** 1\ **Last updated:** [29 April 2019 20:50 UTC](https://discourse.nodered.org/t/another-pid-question/10650 "2019-04-29T20:50:45Z")
Hi! I'm facing a problem with node-red-contrib-pid and hope someone could help. Trying to set prop\_band, t\_integral and t\_derivative dynamically with sliders, but it always return NaN. Already tried to use function us… [Previous page](https://discourse.nodered.org/latest.md?page=1283) [Next page](https://discourse.nodered.org/latest.md?page=1285)