# General **URL:** https://discourse.nodered.org/c/general/7.md?page=116 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 117 --- ## [Accessing CerboGX](https://discourse.nodered.org/t/accessing-cerbogx/87217)
**Author:** [@rfg9585](https://discourse.nodered.org/u/rfg9585)\ **Replies:** 3\ **Last updated:** [13 April 2024 19:49 UTC](https://discourse.nodered.org/t/accessing-cerbogx/87217 "2024-04-13T19:49:28Z")
I posted on Victron site but no luck with answer. Anyone here have the detail steps to remedy this situation? I ran a flow accessing NR via vrm on my window11 box connected to my cerbogx. How can I from my w11 laptop … --- ## [Just can't get external modules to load properly on function node](https://discourse.nodered.org/t/just-cant-get-external-modules-to-load-properly-on-function-node/87215)
**Author:** [@sosukeinu](https://discourse.nodered.org/u/sosukeinu)\ **Replies:** 5\ **Last updated:** [13 April 2024 17:12 UTC](https://discourse.nodered.org/t/just-cant-get-external-modules-to-load-properly-on-function-node/87215 "2024-04-13T17:12:06Z")
Hello, I'm running Node-Red version 1.3.9 using Docker. I am binding the /data directory to a local folder. No problems there. I've edited settings, and installed custom nodes through the palette manager, and everything… --- ## [Ui-table Need help](https://discourse.nodered.org/t/ui-table-need-help/87183)
**Author:** [@Larspalmqvistdk](https://discourse.nodered.org/u/Larspalmqvistdk)\ **Replies:** 1\ **Last updated:** [13 April 2024 06:07 UTC](https://discourse.nodered.org/t/ui-table-need-help/87183 "2024-04-13T06:07:58Z")
Hi i need serius help now, before i loose my sanity. i have a flow with two function nodes one sends msg.ui-control for setting up a tabulator table. that works fine . the other sends am objectarray for data, and that is… --- ## [Clearing unused chart variables](https://discourse.nodered.org/t/clearing-unused-chart-variables/87210)
**Author:** [@rmystique](https://discourse.nodered.org/u/rmystique)\ **Replies:** 1\ **Last updated:** [12 April 2024 22:52 UTC](https://discourse.nodered.org/t/clearing-unused-chart-variables/87210 "2024-04-12T22:52:05Z")
I have a chart that I was trying different variables (topics) on it and I am saving the chart data for 4 days, and I have made name changes (topics) how do I clear out the old ones that I no longer use that show up in th… --- ## [Exec Spawn message break conditions](https://discourse.nodered.org/t/exec-spawn-message-break-conditions/87165)
**Author:** [@PBn](https://discourse.nodered.org/u/PBn)\ **Replies:** 2\ **Last updated:** [12 April 2024 20:50 UTC](https://discourse.nodered.org/t/exec-spawn-message-break-conditions/87165 "2024-04-12T20:50:44Z")
Hello, I am trying to produce a fourier transform of some sensor data, an external python script is sampling a sensor, preforming a fft and trying to return some data at ~1sec intervals. I am spawning the exec (with the… --- ## [How to use Application Key in HTTP Request](https://discourse.nodered.org/t/how-to-use-application-key-in-http-request/87206)
**Author:** [@novski](https://discourse.nodered.org/u/novski)\ **Replies:** 3\ **Last updated:** [12 April 2024 19:26 UTC](https://discourse.nodered.org/t/how-to-use-application-key-in-http-request/87206 "2024-04-12T19:26:59Z")
Ho can i use an APP API Key in a http-request node? Octoprint uses a app api key to secure the api... --- ## [Node editing not responsive](https://discourse.nodered.org/t/node-editing-not-responsive/87201)
**Author:** [@CowboyBootsSP](https://discourse.nodered.org/u/CowboyBootsSP)\ **Replies:** 3\ **Last updated:** [12 April 2024 18:46 UTC](https://discourse.nodered.org/t/node-editing-not-responsive/87201 "2024-04-12T18:46:12Z")
I use Node Red installed as an addon on my home assistant. Now, it's quite often that I double-click on a node to edit it or press Enter but nothing happens. I looked for errors at all sort of logs, but nothing is found.… --- ## [Assignment in conditional expression](https://discourse.nodered.org/t/assignment-in-conditional-expression/87202)
**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\ **Replies:** 2\ **Last updated:** [12 April 2024 16:46 UTC](https://discourse.nodered.org/t/assignment-in-conditional-expression/87202 "2024-04-12T16:46:22Z")
Hi wehr is my error? var gridpower=flow.get('gridpower') || 0; if (msg.payload =1 && gridpower !=0){ msg.payload=0; } I always become the yellow question mark with assignment in conditional expression in front of … --- ## [Node-red-node-email Nodemailer config](https://discourse.nodered.org/t/node-red-node-email-nodemailer-config/87179)
**Author:** [@Bobo](https://discourse.nodered.org/u/Bobo)\ **Replies:** 3\ **Last updated:** [12 April 2024 11:07 UTC](https://discourse.nodered.org/t/node-red-node-email-nodemailer-config/87179 "2024-04-12T11:07:01Z")
A number of years ago (literally) I made the below feature request regarding the Nodemailer config in the email node. Oddly enough for this group I never received a single reply. :hugs: After all these years, the issue … --- ## [K8s Restoring a NodeRed Instance with Projects](https://discourse.nodered.org/t/k8s-restoring-a-nodered-instance-with-projects/86983)
**Author:** [@brad2190](https://discourse.nodered.org/u/brad2190)\ **Replies:** 1\ **Last updated:** [12 April 2024 09:26 UTC](https://discourse.nodered.org/t/k8s-restoring-a-nodered-instance-with-projects/86983 "2024-04-12T09:26:59Z")
I have several scripts that backup the NodeRed data directory including all the configurations and directories for restoration to new instances on other k8s clusters, however I come across random issues whereby when the … --- ## [Flows.nodered.org node-red-contrib-ocpp2 page](https://discourse.nodered.org/t/flows-nodered-org-node-red-contrib-ocpp2-page/85765)
**Author:** [@kitori](https://discourse.nodered.org/u/kitori)\ **Replies:** 3\ **Last updated:** [12 April 2024 08:22 UTC](https://discourse.nodered.org/t/flows-nodered-org-node-red-contrib-ocpp2-page/85765 "2024-04-12T08:22:59Z")
I don't know if this is this is the right place, but the flow page of the node node-red-contrib-ocpp2 seems broken, because there ist a h2 Element in front off everything. The links to github etc. are behind this element… --- ## [Error: spawn EINVAL](https://discourse.nodered.org/t/error-spawn-einval/87181)
**Author:** [@AS\_Unilu](https://discourse.nodered.org/u/AS_Unilu)\ **Replies:** 2\ **Last updated:** [12 April 2024 08:22 UTC](https://discourse.nodered.org/t/error-spawn-einval/87181 "2024-04-12T08:22:11Z")
Dear all, I tried to install Node-RED on a Windows 10 machine. However, when trying to start node-red, I receive the following error and node-red does not start: I followed the instructions on the node-red webpage. A… --- ## [How to add 2 inputs every second](https://discourse.nodered.org/t/how-to-add-2-inputs-every-second/87175)
**Author:** [@rmystique](https://discourse.nodered.org/u/rmystique)\ **Replies:** 3\ **Last updated:** [12 April 2024 08:08 UTC](https://discourse.nodered.org/t/how-to-add-2-inputs-every-second/87175 "2024-04-12T08:08:27Z")
I have 2 variables that are constantly incoming from a ADC and I rate limited them to 1/sec each, I want to combine them (one is positive, one negative) and have the output be the difference between them. I think this ca… --- ## [I can't open the node-red](https://discourse.nodered.org/t/i-cant-open-the-node-red/87135)
**Author:** [@Ravi-F](https://discourse.nodered.org/u/Ravi-F)\ **Replies:** 36\ **Last updated:** [11 April 2024 21:40 UTC](https://discourse.nodered.org/t/i-cant-open-the-node-red/87135 "2024-04-11T21:40:08Z")
When I start node-red the following message appears: ''' Welcome to Node-RED 10 Apr 15:42:59 - \[info\] Node-RED version: v3.1.8 10 Apr 15:42:59 - \[info\] Node.js version: v20.12.2 10 Apr 15:42:59 - \[info\] Windows\_NT 1… --- ## [Nodered container crash everyday](https://discourse.nodered.org/t/nodered-container-crash-everyday/86933)
**Author:** [@Barbudor](https://discourse.nodered.org/u/Barbudor)\ **Replies:** 13\ **Last updated:** [11 April 2024 19:49 UTC](https://discourse.nodered.org/t/nodered-container-crash-everyday/86933 "2024-04-11T19:49:22Z")
Hello Since a week I facing a strange crash on one of my nodered container (running in AWS ECS on a FARGATE instance) There is no memory or CPU overload but something seems to happen that I have not been able to identi… --- ## [Switch Node: Preventing Repeated Execution in Battery Monitoring](https://discourse.nodered.org/t/switch-node-preventing-repeated-execution-in-battery-monitoring/87169)
**Author:** [@Deunan](https://discourse.nodered.org/u/Deunan)\ **Replies:** 3\ **Last updated:** [11 April 2024 18:49 UTC](https://discourse.nodered.org/t/switch-node-preventing-repeated-execution-in-battery-monitoring/87169 "2024-04-11T18:49:00Z")
I'm extremely new to Node-RED. I'm monitoring the state of charge for a battery via MQTT. I created a switch node with three conditions: \<10, between 10 and 15, and over 15. It works well except for one issue: it keeps e… --- ## [I just want it to return a string with the current Timezone offsett](https://discourse.nodered.org/t/i-just-want-it-to-return-a-string-with-the-current-timezone-offsett/87123)
**Author:** [@IanH](https://discourse.nodered.org/u/IanH)\ **Replies:** 17\ **Last updated:** [11 April 2024 15:50 UTC](https://discourse.nodered.org/t/i-just-want-it-to-return-a-string-with-the-current-timezone-offsett/87123 "2024-04-11T15:50:50Z")
I am just trying to get a string that reports the current Time zone offset aka "+1000" or "+1100" I have already resorted to a function and this is not making sense, I suddenly have offsett of -600, yet a time stamp … --- ## [First-Time Startup Error](https://discourse.nodered.org/t/first-time-startup-error/87167)
**Author:** [@Abaos](https://discourse.nodered.org/u/Abaos)\ **Replies:** 2\ **Last updated:** [11 April 2024 15:41 UTC](https://discourse.nodered.org/t/first-time-startup-error/87167 "2024-04-11T15:41:34Z")
Hey, completely new to both NodeRed and this forum. I tried running it for the first time and was met with the following errors: 11 Apr 11:23:42 - \[info\] Node-RED version: v3.1.8 11 Apr 11:23:42 - \[info\] Node.js versio… --- ## [Function api call](https://discourse.nodered.org/t/function-api-call/87138)
**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\ **Replies:** 7\ **Last updated:** [11 April 2024 12:38 UTC](https://discourse.nodered.org/t/function-api-call/87138 "2024-04-11T12:38:10Z")
Hi! I want to use function node to make an API call instead of use the HTTP Request node. Is it possible?. Regards! --- ## [Enotfound error when performing http request to a hostname](https://discourse.nodered.org/t/enotfound-error-when-performing-http-request-to-a-hostname/87136)
**Author:** [@steven\_191](https://discourse.nodered.org/u/steven_191)\ **Replies:** 7\ **Last updated:** [11 April 2024 11:30 UTC](https://discourse.nodered.org/t/enotfound-error-when-performing-http-request-to-a-hostname/87136 "2024-04-11T11:30:27Z")
I have node red running inside a docker container. I want to perform a http request but get ENOTFOUND error. If I do the same request to the IP it works fine. Ive spoken to the manufacturer and they have said to use mDN… --- ## [Modbus choosing server by msg.payload](https://discourse.nodered.org/t/modbus-choosing-server-by-msg-payload/87154)
**Author:** [@Kreeker](https://discourse.nodered.org/u/Kreeker)\ **Replies:** 2\ **Last updated:** [11 April 2024 11:08 UTC](https://discourse.nodered.org/t/modbus-choosing-server-by-msg-payload/87154 "2024-04-11T11:08:40Z")
Hello, I'm using node-red-contrib-modbus and i have over 60 ModBus TCP servers which I'm trying to connect to on demand selectively (i have no need to connect to them all at the same time). I get the server IP's from ex… --- ## [Not starting on window 11 "Error: spawn EINVAL"](https://discourse.nodered.org/t/not-starting-on-window-11-error-spawn-einval/87153)
**Author:** [@biohazardxxx](https://discourse.nodered.org/u/biohazardxxx)\ **Replies:** 1\ **Last updated:** [11 April 2024 09:34 UTC](https://discourse.nodered.org/t/not-starting-on-window-11-error-spawn-einval/87153 "2024-04-11T09:34:22Z")
Fresh Node and node-red installation on win 11 gives this error: Node.js v20.12.2 C:\\Users\\abc\>node-red 11 Apr 11:27:42 - \[info\] Welcome to Node-RED =================== 11 Apr 11:27:42 - \[info\] Node-RED version: v3.1… --- ## [How to solve this issue when im trying to install node red for the first time?](https://discourse.nodered.org/t/how-to-solve-this-issue-when-im-trying-to-install-node-red-for-the-first-time/87147)
**Author:** [@nexto12](https://discourse.nodered.org/u/nexto12)\ **Replies:** 4\ **Last updated:** [11 April 2024 09:13 UTC](https://discourse.nodered.org/t/how-to-solve-this-issue-when-im-trying-to-install-node-red-for-the-first-time/87147 "2024-04-11T09:13:47Z")
11 Apr 14:34:15 - \[info\] Node-RED version: v3.1.8 11 Apr 14:34:15 - \[info\] Node.js version: v20.12.2 11 Apr 14:34:15 - \[info\] Windows\_NT 10.0.22631 x64 LE 11 Apr 14:34:15 - \[error\] Failed to start server: 11 Apr 14:… --- ## [Incrementing a payload msg and formatting a string](https://discourse.nodered.org/t/incrementing-a-payload-msg-and-formatting-a-string/87142)
**Author:** [@jaredlgeorge](https://discourse.nodered.org/u/jaredlgeorge)\ **Replies:** 1\ **Last updated:** [11 April 2024 04:57 UTC](https://discourse.nodered.org/t/incrementing-a-payload-msg-and-formatting-a-string/87142 "2024-04-11T04:57:55Z")
I need to send 1rt 1-1 to a udp node. When I send the msg.payload I need to start the output with 1rt 1-1 and increment the last number by 1 until it gets to 17. Example 1rt 1-1, 1rt 1-2, 1rt 1-3 ..... 1rt 1-17. Once … --- ## [Openweather problem - sorry folks. I goofed](https://discourse.nodered.org/t/openweather-problem-sorry-folks-i-goofed/87137)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 9\ **Last updated:** [10 April 2024 21:22 UTC](https://discourse.nodered.org/t/openweather-problem-sorry-folks-i-goofed/87137 "2024-04-10T21:22:17Z")
See my other thread: Alas I (we) got distracted from the real problem. At the start I was getting messages saying the node was giving non-valid JSON messages. That digressed into the link-call not returning and I acc… --- ## [Store payload value and match previous values](https://discourse.nodered.org/t/store-payload-value-and-match-previous-values/86166)
**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\ **Replies:** 6\ **Last updated:** [10 April 2024 20:44 UTC](https://discourse.nodered.org/t/store-payload-value-and-match-previous-values/86166 "2024-04-10T20:44:00Z")
Hi all! I need to store two values from two differents payloads let's say: Value 1 payload: object event\_name: "defect.created" payload: object id: 99 Value 2 payload: object case\_number: 53234 Ok, i ca… --- ## [Raspberry pi4 rpi-gpio.status.not-available using HC-SR04 pisrf library](https://discourse.nodered.org/t/raspberry-pi4-rpi-gpio-status-not-available-using-hc-sr04-pisrf-library/87100)
**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\ **Replies:** 11\ **Last updated:** [10 April 2024 14:41 UTC](https://discourse.nodered.org/t/raspberry-pi4-rpi-gpio-status-not-available-using-hc-sr04-pisrf-library/87100 "2024-04-10T14:41:25Z")
hi all, i'm trying using pisrf library in nodered to read the signal of ultrasonic sensor HC-SR04. I set the pin input but following error appears: rpi-gpio.status.not-available can someone help me? many thanks in ad… --- ## [Open-weather errors. What is happening?](https://discourse.nodered.org/t/open-weather-errors-what-is-happening/87112)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 6\ **Last updated:** [10 April 2024 11:33 UTC](https://discourse.nodered.org/t/open-weather-errors-what-is-happening/87112 "2024-04-10T11:33:43Z")
I use open-weather a lot and just recently it is throwing weird errors at me. As we are going into winter, (ok, Autumn) it is raining more and more. For now I am doing a series of weather gets from midnight to mid day … --- ## [Debug status not working - I think](https://discourse.nodered.org/t/debug-status-not-working-i-think/87124)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 5\ **Last updated:** [10 April 2024 11:16 UTC](https://discourse.nodered.org/t/debug-status-not-working-i-think/87124 "2024-04-10T11:16:12Z")
I am not understanding why this isn't working. Ok, originally the message was in msg.time - and I realised it has to be msg.payload. So with that, the status still isn't working. --- ## [Running Node-Red on an Android Phone](https://discourse.nodered.org/t/running-node-red-on-an-android-phone/87115)
**Author:** [@badflash](https://discourse.nodered.org/u/badflash)\ **Replies:** 1\ **Last updated:** [10 April 2024 10:42 UTC](https://discourse.nodered.org/t/running-node-red-on-an-android-phone/87115 "2024-04-10T10:42:36Z")
I see the installation instruction for installing on Android, but I can't seem to find out how much memory the phone needs to run it. Can anyone point me in the right direction? [Previous page](https://discourse.nodered.org/c/general/7.md?page=115) [Next page](https://discourse.nodered.org/c/general/7.md?page=117)