# Latest

**URL:** https://discourse.nodered.org/latest.md?page=850

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 851

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## [Http Request In Custom Node](https://discourse.nodered.org/t/http-request-in-custom-node/43347)

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**Author:** [@ivexy24](https://discourse.nodered.org/u/ivexy24)\
**Replies:** 0\
**Last updated:** [29 March 2021 08:57 UTC](https://discourse.nodered.org/t/http-request-in-custom-node/43347 "2021-03-29T08:57:35Z")

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How can I make whatever I write in server input is stored in this const address

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## [How to disable right-click / contect memu](https://discourse.nodered.org/t/how-to-disable-right-click-contect-memu/42484)

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**Author:** [@jejmule](https://discourse.nodered.org/u/jejmule)\
**Replies:** 2\
**Last updated:** [29 March 2021 07:52 UTC](https://discourse.nodered.org/t/how-to-disable-right-click-contect-memu/42484 "2021-03-29T07:52:30Z")

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Hi, I am developing a dashboard to control a treadmill. One function is to change the slope of the treadmill. I am using a customize button node to move up or down while the button is pressed. I am using a touchscreen …

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## [\[ANNOUNCE\] node-red-contrib-sub-link](https://discourse.nodered.org/t/announce-node-red-contrib-sub-link/43157)

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**Author:** [@Soloam](https://discourse.nodered.org/u/Soloam)\
**Replies:** 21\
**Last updated:** [29 March 2021 07:02 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-sub-link/43157 "2021-03-29T07:02:15Z")

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Announcing node-red-contrib-sub-link a link to subflows. It can be used to transport messages from anywhere to anywhere (flows to subflows, subflows to subflows, subflows to flows, flows to flows). It's possible to send …

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## [Node-red-contrib-generic-ble](https://discourse.nodered.org/t/node-red-contrib-generic-ble/6418)

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**Author:** [@ttquattroman](https://discourse.nodered.org/u/ttquattroman)\
**Replies:** 26\
**Last updated:** [28 March 2021 16:48 UTC](https://discourse.nodered.org/t/node-red-contrib-generic-ble/6418 "2021-03-28T16:48:12Z")

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Hello, I hope someone can help. Firstly I am a complete novice where Node-red is concerned :slightly\_smiling\_face: I would like to build a project that scans for particular BLE information (probably "localName") and t…

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## [Invalid tag name ""~"0.1.40" - Removing or Upgrading Modules](https://discourse.nodered.org/t/invalid-tag-name-0-1-40-removing-or-upgrading-modules/43330)

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**Author:** [@nksky](https://discourse.nodered.org/u/nksky)\
**Replies:** 6\
**Last updated:** [28 March 2021 22:48 UTC](https://discourse.nodered.org/t/invalid-tag-name-0-1-40-removing-or-upgrading-modules/43330 "2021-03-28T22:48:41Z")

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Hi, I am having an issue installing and removing nodes, Node-Red set up as a "project". When I try to remove or add nodes, I am getting this error. Where am I going wrong? Thanks in advance. npm 7.7.5 node 14.7.0 NR…

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## [Installation and running errors](https://discourse.nodered.org/t/installation-and-running-errors/43274)

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**Author:** [@FarazSyed](https://discourse.nodered.org/u/FarazSyed)\
**Replies:** 16\
**Last updated:** [28 March 2021 21:00 UTC](https://discourse.nodered.org/t/installation-and-running-errors/43274 "2021-03-28T21:00:29Z")

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Hi everyone! I have been trying to get started with Node-Red but I'm facing an issue on a very initial level. I tried to install node.js then I installed node-red as mentioned on the website but when I tried to start n…

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## [Node-red-contrib-sql-prepare](https://discourse.nodered.org/t/node-red-contrib-sql-prepare/37838)

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**Author:** [@YT2310](https://discourse.nodered.org/u/YT2310)\
**Replies:** 5\
**Last updated:** [28 March 2021 18:45 UTC](https://discourse.nodered.org/t/node-red-contrib-sql-prepare/37838 "2021-03-28T18:45:22Z")

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describtion I create a simple node which can be used to translate an array input to an sql command. So you can easily change the definition of the sql command via the array. Select, insert, delete and update commands …

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## [How to send sequential MQTT commands?](https://discourse.nodered.org/t/how-to-send-sequential-mqtt-commands/43325)

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**Author:** [@877](https://discourse.nodered.org/u/877)\
**Replies:** 5\
**Last updated:** [28 March 2021 18:33 UTC](https://discourse.nodered.org/t/how-to-send-sequential-mqtt-commands/43325 "2021-03-28T18:33:06Z")

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Hi everyone, I am controlling a Hue bulb via MQTT, please see the image for example commands. I would like to be able to sequentially send commands, with a time interval in-between. Example requirement 1: Change colou…

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## [Node-red-contrib-socketcan 1.0.11 installation failed](https://discourse.nodered.org/t/node-red-contrib-socketcan-1-0-11-installation-failed/42929)

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**Author:** [@roadrunner250](https://discourse.nodered.org/u/roadrunner250)\
**Replies:** 27\
**Last updated:** [28 March 2021 18:21 UTC](https://discourse.nodered.org/t/node-red-contrib-socketcan-1-0-11-installation-failed/42929 "2021-03-28T18:21:15Z")

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V1.2.2 running on OpenWrt 1.0.8 Rabbit / LuCI openwrt-19.07 branch git-20.247.75781-0d0ab01 Want to read Canbus Data and send it by MQTT. Can0 working well on OpenWrt, cansend and candump working well How to get can0 …

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## [Help needed editing api data before using with ng-repeat in a template node](https://discourse.nodered.org/t/help-needed-editing-api-data-before-using-with-ng-repeat-in-a-template-node/43298)

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**Author:** [@umtksa](https://discourse.nodered.org/u/umtksa)\
**Replies:** 10\
**Last updated:** [28 March 2021 18:01 UTC](https://discourse.nodered.org/t/help-needed-editing-api-data-before-using-with-ng-repeat-in-a-template-node/43298 "2021-03-28T18:01:14Z")

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Hi all I'm getting data from google calender, data comes as an array of events, Than with a template node and ng-repeat I'm getting this data to my dashboard. Now I'm trying to find a solution to convert date data fro…

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## [Node-red-node-openweathermap missing some values](https://discourse.nodered.org/t/node-red-node-openweathermap-missing-some-values/43224)

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**Author:** [@vlturner](https://discourse.nodered.org/u/vlturner)\
**Replies:** 2\
**Last updated:** [27 March 2021 05:02 UTC](https://discourse.nodered.org/t/node-red-node-openweathermap-missing-some-values/43224 "2021-03-27T05:02:33Z")

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The openweather node should add a couple items that seem to be missing. dew\_point: 33.76 uvi: 0 I am working to get access to Global Weather Alerts - OpenWeatherMap and consideration at going after that and the One Ca…

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## [Proposed change node-red-node-ui-table](https://discourse.nodered.org/t/proposed-change-node-red-node-ui-table/43037)

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**Author:** [@vlturner](https://discourse.nodered.org/u/vlturner)\
**Replies:** 0\
**Last updated:** [22 March 2021 19:27 UTC](https://discourse.nodered.org/t/proposed-change-node-red-node-ui-table/43037 "2021-03-22T19:27:42Z")

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I am trying to get the CPU core data into a table, but it doesn't seem to be responding. I think this is because I selected "replaceData" instead of "addRow". I think this needs to have a modified function such that if …

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## [Emotiv - Node Red](https://discourse.nodered.org/t/emotiv-node-red/43288)

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**Author:** [@engineerrules](https://discourse.nodered.org/u/engineerrules)\
**Replies:** 2\
**Last updated:** [28 March 2021 16:23 UTC](https://discourse.nodered.org/t/emotiv-node-red/43288 "2021-03-28T16:23:00Z")

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Hello Friends; Is it possible with Node -Red. Can ı use serial communication for that, for example; When I blink, ı want to send to my arduino data "w" and w is setted as forward in arduino. laugh data "s" to backward …

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## [How to send(publish) payload data sequentially?](https://discourse.nodered.org/t/how-to-send-publish-payload-data-sequentially/42980)

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**Author:** [@OchoijuoO](https://discourse.nodered.org/u/OchoijuoO)\
**Replies:** 3\
**Last updated:** [28 March 2021 16:20 UTC](https://discourse.nodered.org/t/how-to-send-publish-payload-data-sequentially/42980 "2021-03-28T16:20:25Z")

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Hi , I want to send Database's column data . ///////////////////////////////////////////////////////////////// msg.reqList = ;//create empty array var i = 0; msg.payload.rows.forEach(function(e) { let row = e.req\_cm…

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## [Emotiv Car With Node-Red](https://discourse.nodered.org/t/emotiv-car-with-node-red/43321)

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**Author:** [@engineerrules](https://discourse.nodered.org/u/engineerrules)\
**Replies:** 1\
**Last updated:** [28 March 2021 15:25 UTC](https://discourse.nodered.org/t/emotiv-car-with-node-red/43321 "2021-03-28T15:25:18Z")

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Hello Friends; Is it possible with Node -Red. Can ı use serial communication for that, for example; When I blink, ı want to send to my arduino data "w" and w is setted as forward in arduino. laugh data "s" to backward …

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## [Deleting Chart-Data (flow.data)](https://discourse.nodered.org/t/deleting-chart-data-flow-data/43316)

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**Author:** [@Rezcue](https://discourse.nodered.org/u/Rezcue)\
**Replies:** 7\
**Last updated:** [28 March 2021 15:25 UTC](https://discourse.nodered.org/t/deleting-chart-data-flow-data/43316 "2021-03-28T15:25:05Z")

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Hello, im trying to delete my stored chart-data to reset my Chart. But somehow it does not work. I still get the chart with the last data after i restart node-red. Before deleting i block new incoming data. ContextStto…

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## [Problems with Contrib-Eiscp on Onkyo NR686](https://discourse.nodered.org/t/problems-with-contrib-eiscp-on-onkyo-nr686/43319)

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**Author:** [@demolud2](https://discourse.nodered.org/u/demolud2)\
**Replies:** 0\
**Last updated:** [28 March 2021 14:19 UTC](https://discourse.nodered.org/t/problems-with-contrib-eiscp-on-onkyo-nr686/43319 "2021-03-28T14:19:11Z")

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Hi, trying to create a flow which would turn on my device and set to one of the presets in TuneIn. I manage to arrive at presets list sending following commands(the workflow is for Zone 2): ZPW01 SLI2B NSV0E0 NTCSE…

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## [Return PythonShell output to a http response](https://discourse.nodered.org/t/return-pythonshell-output-to-a-http-response/10834)

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**Author:** [@lunawire](https://discourse.nodered.org/u/lunawire)\
**Replies:** 27\
**Last updated:** [28 March 2021 13:57 UTC](https://discourse.nodered.org/t/return-pythonshell-output-to-a-http-response/10834 "2021-03-28T13:57:08Z")

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Hi, I'm somewhat new to NR, but have some python scripts that are triggered via HTTP POSTs to Node Red that are working great. However, I want to complete the transaction by returning the script output to the original h…

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## [Beginner Question; Only pass payload if another value is true](https://discourse.nodered.org/t/beginner-question-only-pass-payload-if-another-value-is-true/43313)

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**Author:** [@knaxman](https://discourse.nodered.org/u/knaxman)\
**Replies:** 3\
**Last updated:** [28 March 2021 13:26 UTC](https://discourse.nodered.org/t/beginner-question-only-pass-payload-if-another-value-is-true/43313 "2021-03-28T13:26:47Z")

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Hi guys, I have a simple question. I have a node calculating values and generating an on/off comand, that works works fine. Now I want to block the command if a switch from the UI is false. How do I have to do this? \[…

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## [Form and event to control machins and send data to csv fil](https://discourse.nodered.org/t/form-and-event-to-control-machins-and-send-data-to-csv-fil/43302)

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**Author:** [@Khaledpro](https://discourse.nodered.org/u/Khaledpro)\
**Replies:** 5\
**Last updated:** [28 March 2021 12:30 UTC](https://discourse.nodered.org/t/form-and-event-to-control-machins-and-send-data-to-csv-fil/43302 "2021-03-28T12:30:47Z")

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hi everyone i wish that you are fine, as @Colin and @Steve-Mcl and others helped me I'm thankful for you ... i have worked on a project it's about tracking events in a machine we want to not turn on this machine just …

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## [Exec node unable to launch service](https://discourse.nodered.org/t/exec-node-unable-to-launch-service/43246)

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**Author:** [@cocothedoges](https://discourse.nodered.org/u/cocothedoges)\
**Replies:** 5\
**Last updated:** [28 March 2021 10:41 UTC](https://discourse.nodered.org/t/exec-node-unable-to-launch-service/43246 "2021-03-28T10:41:53Z")

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Hi guys, from previous issues, im trying to run a ffmpeg command as a service... If I execute from command line, it works like a charm: pi@pi2:~ $ systemctl --user start myscript But, when I execute it from exec nod…

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## [Turning an attribute into an entity](https://discourse.nodered.org/t/turning-an-attribute-into-an-entity/42181)

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**Author:** [@Fuenti](https://discourse.nodered.org/u/Fuenti)\
**Replies:** 10\
**Last updated:** [28 March 2021 06:11 UTC](https://discourse.nodered.org/t/turning-an-attribute-into-an-entity/42181 "2021-03-28T06:11:27Z")

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I am relatively new to Node Red. I have a flow that i would like to trigger every time the Ecobee thermostat changes the target temperature. The difficulty is that this temperature is an attribute to a climate entity. Ho…

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## [Cant get serialport to work](https://discourse.nodered.org/t/cant-get-serialport-to-work/6719)

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**Author:** [@ChuckBanger](https://discourse.nodered.org/u/ChuckBanger)\
**Replies:** 13\
**Last updated:** [28 March 2021 00:28 UTC](https://discourse.nodered.org/t/cant-get-serialport-to-work/6719 "2021-03-28T00:28:59Z")

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I have a node red installed om a RPI3. I'a new to node red so maybe this is easy... I try to use node-red-node-serialport to send serial request. When i hit deploy i get this debug message: "serial port /dev/ttyS0 error…

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## [Like traffic lights but resending only most recent message](https://discourse.nodered.org/t/like-traffic-lights-but-resending-only-most-recent-message/43295)

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**Author:** [@maxym](https://discourse.nodered.org/u/maxym)\
**Replies:** 2\
**Last updated:** [27 March 2021 20:56 UTC](https://discourse.nodered.org/t/like-traffic-lights-but-resending-only-most-recent-message/43295 "2021-03-27T20:56:20Z")

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hello What I want to achieve is functionality of controlled message flow with memorizing of most recent blocked one in order to send it when flow is allowed again. Just imagine messages sent with some frequency. Those …

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## [Flow Context variables and passing them to a subflow](https://discourse.nodered.org/t/flow-context-variables-and-passing-them-to-a-subflow/43297)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 3\
**Last updated:** [27 March 2021 20:31 UTC](https://discourse.nodered.org/t/flow-context-variables-and-passing-them-to-a-subflow/43297 "2021-03-27T20:31:45Z")

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I have some very repetitive single function nodes that come up on around 20 or so maybe more, maybe less flows... I want to move them all to a subflow to allow for easier editing in future as the system expands, should i…

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## [Start NodeRed Dashboard UI in Chrome on Windows to RaspberryPi Official Display Size](https://discourse.nodered.org/t/start-nodered-dashboard-ui-in-chrome-on-windows-to-raspberrypi-official-display-size/43293)

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**Author:** [@SonoraTechnical](https://discourse.nodered.org/u/SonoraTechnical)\
**Replies:** 0\
**Last updated:** [27 March 2021 19:08 UTC](https://discourse.nodered.org/t/start-nodered-dashboard-ui-in-chrome-on-windows-to-raspberrypi-official-display-size/43293 "2021-03-27T19:08:50Z")

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Long title, but probably a common problem with those of us developing Dashboards UI in Chrome on Windows with Generously sized Monitors, where we intend to run the Dashboard UI on the Raspberry Pi Official Touch LCD that…

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## [Light control with Shellys](https://discourse.nodered.org/t/light-control-with-shellys/43199)

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**Author:** [@automati](https://discourse.nodered.org/u/automati)\
**Replies:** 9\
**Last updated:** [27 March 2021 17:14 UTC](https://discourse.nodered.org/t/light-control-with-shellys/43199 "2021-03-27T17:14:30Z")

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Hello everyone, I have 4 shellys at home. Now I have 3 switches for 3 lights each. In addition, I have 1 switch at the entrance. When I enter the building (and press the switch at the entrance) then only one lamp should …

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## [Node-red/node\_modules/xbee-api/lib/xbee-api ERROR](https://discourse.nodered.org/t/node-red-node-modules-xbee-api-lib-xbee-api-error/43039)

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**Author:** [@Rezcue](https://discourse.nodered.org/u/Rezcue)\
**Replies:** 10\
**Last updated:** [27 March 2021 16:11 UTC](https://discourse.nodered.org/t/node-red-node-modules-xbee-api-lib-xbee-api-error/43039 "2021-03-27T16:11:37Z")

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Hello, im using the XBee-Nodes. My Setup is running like it should. Checking Waterlvl and sending it via XBee to Node-RED. But i get this error when my setup is running longer. 22 Mar 20:27:50 - \[info\] \[mqtt-broker:2af…

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## [Display any real time value direcly in front of picture?](https://discourse.nodered.org/t/display-any-real-time-value-direcly-in-front-of-picture/43138)

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**Author:** [@corso66](https://discourse.nodered.org/u/corso66)\
**Replies:** 10\
**Last updated:** [27 March 2021 15:11 UTC](https://discourse.nodered.org/t/display-any-real-time-value-direcly-in-front-of-picture/43138 "2021-03-27T15:11:20Z")

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Hi all, I have succeeded to insert a picture in background or in a node group. However, i'm telling me about how can i display any température and other real time values on a hydraulic schema like this one : I have …

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## [Dashboard Icon not showing](https://discourse.nodered.org/t/dashboard-icon-not-showing/43282)

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**Author:** [@robinfripon123](https://discourse.nodered.org/u/robinfripon123)\
**Replies:** 3\
**Last updated:** [27 March 2021 15:08 UTC](https://discourse.nodered.org/t/dashboard-icon-not-showing/43282 "2021-03-27T15:08:55Z")

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Hello, I want to add icons to basic objects. It is not showing in the dashboard. I enables also the show side menu of dashboard. That is also not showing. What is wrong with nodered?

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