# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1048

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

**Page:** 1049

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## [Power Forecasts and Data-Tuning for Solar Installations (Node-Red / solcast-API / InfluxDB / Grafana)](https://discourse.nodered.org/t/power-forecasts-and-data-tuning-for-solar-installations-node-red-solcast-api-influxdb-grafana/28037)

<div class="topic-metadata">

**Author:** [@hominidae](https://discourse.nodered.org/u/hominidae)\
**Replies:** 4\
**Last updated:** [8 July 2020 20:15 UTC](https://discourse.nodered.org/t/power-forecasts-and-data-tuning-for-solar-installations-node-red-solcast-api-influxdb-grafana/28037 "2020-07-08T20:15:04Z")

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Hi folks, at home, I have a freshly installed solar power plant and now wanted to do some information gathering and analysis with its data. As I can already collect various energy based information in my home to mqtt a…

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## [Unsupported certficate purpose](https://discourse.nodered.org/t/unsupported-certficate-purpose/29728)

<div class="topic-metadata">

**Author:** [@mobamoba](https://discourse.nodered.org/u/mobamoba)\
**Replies:** 2\
**Last updated:** [8 July 2020 19:34 UTC](https://discourse.nodered.org/t/unsupported-certficate-purpose/29728 "2020-07-08T19:34:07Z")

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I'm getting the above error when passing a request to the HTTP request node. Underneath it it says "Invalid purpose". There's no other debugging info. A change node is passing 2 msg.headers, setting msg.rejectUnauthorize…

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## [Payload encoded](https://discourse.nodered.org/t/payload-encoded/29732)

<div class="topic-metadata">

**Author:** [@i471](https://discourse.nodered.org/u/i471)\
**Replies:** 1\
**Last updated:** [8 July 2020 19:22 UTC](https://discourse.nodered.org/t/payload-encoded/29732 "2020-07-08T19:22:12Z")

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Any ideas as to why the http request is successful but the payload is encoded? I've tried copying the exact headers from postman where the request returns JSON. \[{"id":"fc3aa7ef.2394a8","type":"inject","z":"537282d2.f8a…

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## [Node-red migrate and deploy with Terraform on AWS](https://discourse.nodered.org/t/node-red-migrate-and-deploy-with-terraform-on-aws/29731)

<div class="topic-metadata">

**Author:** [@mrSidX](https://discourse.nodered.org/u/mrSidX)\
**Replies:** 0\
**Last updated:** [8 July 2020 19:14 UTC](https://discourse.nodered.org/t/node-red-migrate-and-deploy-with-terraform-on-aws/29731 "2020-07-08T19:14:16Z")

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I'm trying to deploy a node-red configuration onto a terraformed aws instance, How can I ensure all the node\_modules are copied and active after the deployment? The deployment installs a new node-red instance, and I wa…

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## [How to get modbus float from register?](https://discourse.nodered.org/t/how-to-get-modbus-float-from-register/28902)

<div class="topic-metadata">

**Author:** [@CARLOS](https://discourse.nodered.org/u/CARLOS)\
**Replies:** 15\
**Last updated:** [8 July 2020 18:58 UTC](https://discourse.nodered.org/t/how-to-get-modbus-float-from-register/28902 "2020-07-08T18:58:41Z")

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I want to get the true value of my MODBUS exit, but I don't know how to do that, and I try differents ways to get frecuency, but I don't know if my configuration are OK, or my connection, or my registers …

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## [How to populate multiple values in a graph?](https://discourse.nodered.org/t/how-to-populate-multiple-values-in-a-graph/29302)

<div class="topic-metadata">

**Author:** [@Henke82](https://discourse.nodered.org/u/Henke82)\
**Replies:** 24\
**Last updated:** [8 July 2020 18:20 UTC](https://discourse.nodered.org/t/how-to-populate-multiple-values-in-a-graph/29302 "2020-07-08T18:20:48Z")

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Hi guys! I tried to go through all threads but did not find anything similar, I appologize if this subject already exists. Well, I have a Tibber subscription. Tibber is a scandinavian electricity provider with a smart e…

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## [Deploy new flows to a remote machine](https://discourse.nodered.org/t/deploy-new-flows-to-a-remote-machine/11105)

<div class="topic-metadata">

**Author:** [@sudhakar](https://discourse.nodered.org/u/sudhakar)\
**Replies:** 17\
**Last updated:** [8 July 2020 16:44 UTC](https://discourse.nodered.org/t/deploy-new-flows-to-a-remote-machine/11105 "2020-07-08T16:44:34Z")

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Hi, I'd like to deploy flows (.json file) to a remote machine using curl. I don't want any manual intervention to import or deploy flows on the remote machine. Could you please guide me achieve this task. Thanks in advan…

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## [Editing a switch node base value from the dashboard](https://discourse.nodered.org/t/editing-a-switch-node-base-value-from-the-dashboard/29709)

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**Author:** [@zsoni96](https://discourse.nodered.org/u/zsoni96)\
**Replies:** 7\
**Last updated:** [8 July 2020 14:16 UTC](https://discourse.nodered.org/t/editing-a-switch-node-base-value-from-the-dashboard/29709 "2020-07-08T14:16:41Z")

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Hello everyone, I have a question : Can you somehow edit the base value of a switch node in dashboard? In my case the switch node sends a payload when the value is bigger than 3000 but can i somehow edit that value f…

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## [Unable to secure node-red over https using self signed certs](https://discourse.nodered.org/t/unable-to-secure-node-red-over-https-using-self-signed-certs/29637)

<div class="topic-metadata">

**Author:** [@mannharleen](https://discourse.nodered.org/u/mannharleen)\
**Replies:** 7\
**Last updated:** [8 July 2020 13:43 UTC](https://discourse.nodered.org/t/unable-to-secure-node-red-over-https-using-self-signed-certs/29637 "2020-07-08T13:43:38Z")

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I create certificates using the following commands: I use localhost as the common-name for the second command openssl genrsa -out node-key.pem 2048 openssl req -new -sha256 -key node-key.pem -out node-csr.pem openssl x…

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## [🎉 Node-RED 1.1.1 released](https://discourse.nodered.org/t/node-red-1-1-1-released/29715)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 0\
**Last updated:** [8 July 2020 13:29 UTC](https://discourse.nodered.org/t/node-red-1-1-1-released/29715 "2020-07-08T13:29:02Z")

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Node-RED 1.1.1 has been released. It fixes a small number of issues that had been reported against 1.1.0, including: Issues with wiring up subflow ports on touch-screens Removed some hardcoded CSS values that could no…

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## [Remove access token keycloak](https://discourse.nodered.org/t/remove-access-token-keycloak/29653)

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**Author:** [@digvijay17july](https://discourse.nodered.org/u/digvijay17july)\
**Replies:** 2\
**Last updated:** [8 July 2020 10:42 UTC](https://discourse.nodered.org/t/remove-access-token-keycloak/29653 "2020-07-08T10:42:58Z")

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Hi, Using keycloak openid, After calling /auth/revoke using the logout button, the token from the browser is removed but somehow persists in the node-red and on again clicking with single sign-on button token somehow ap…

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## [Solved: Fibaro UBS ZWave](https://discourse.nodered.org/t/solved-fibaro-ubs-zwave/29502)

<div class="topic-metadata">

**Author:** [@Geert](https://discourse.nodered.org/u/Geert)\
**Replies:** 4\
**Last updated:** [8 July 2020 10:32 UTC](https://discourse.nodered.org/t/solved-fibaro-ubs-zwave/29502 "2020-07-08T10:32:57Z")

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I need some help in reading the content of the Fibaro UBS via the Wave stick

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## [Excel send latest data to another computer running node red on Docker](https://discourse.nodered.org/t/excel-send-latest-data-to-another-computer-running-node-red-on-docker/28581)

<div class="topic-metadata">

**Author:** [@lee1](https://discourse.nodered.org/u/lee1)\
**Replies:** 17\
**Last updated:** [8 July 2020 08:25 UTC](https://discourse.nodered.org/t/excel-send-latest-data-to-another-computer-running-node-red-on-docker/28581 "2020-07-08T08:25:00Z")

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Hello, i would like to do one thing , when the excel update new row of data , then the excel can send the new row data to node red. please give me some suggestion for this issue, thanks a lot in advance...

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## [Modbus "Timed Out" error -- use with Inject node?](https://discourse.nodered.org/t/modbus-timed-out-error-use-with-inject-node/29704)

<div class="topic-metadata">

**Author:** [@grant1](https://discourse.nodered.org/u/grant1)\
**Replies:** 0\
**Last updated:** [8 July 2020 08:16 UTC](https://discourse.nodered.org/t/modbus-timed-out-error-use-with-inject-node/29704 "2020-07-08T08:16:17Z")

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I have an issue whereby I am getting a "Timed Out" message after about 10-12 hours of readings (taken every 30 sec). It happens regardless of the controller that I am reading from. When I redeploy, it works fine again …

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## [Node-red-node-email sending emails using msg.from not working](https://discourse.nodered.org/t/node-red-node-email-sending-emails-using-msg-from-not-working/18797)

<div class="topic-metadata">

**Author:** [@RoryCodes](https://discourse.nodered.org/u/RoryCodes)\
**Replies:** 3\
**Last updated:** [8 July 2020 07:42 UTC](https://discourse.nodered.org/t/node-red-node-email-sending-emails-using-msg-from-not-working/18797 "2020-07-08T07:42:23Z")

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Hello all, I've been trying to send an email using the node-red-node-email node while setting the msg.from node in a change node. The email is sent however it shows that it is send from me (my email address currently w…

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## [Need help on msgpayload](https://discourse.nodered.org/t/need-help-on-msgpayload/29698)

<div class="topic-metadata">

**Author:** [@mshaz](https://discourse.nodered.org/u/mshaz)\
**Replies:** 2\
**Last updated:** [8 July 2020 07:10 UTC](https://discourse.nodered.org/t/need-help-on-msgpayload/29698 "2020-07-08T07:10:46Z")

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Hi, I am a newbie. My data not showing in dashboard gauge as I think the payload is in this format batt\_val: 3.54 How do i change it to send value only? Thank you

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## [Node-Red need to restart manually](https://discourse.nodered.org/t/node-red-need-to-restart-manually/29662)

<div class="topic-metadata">

**Author:** [@Prizal](https://discourse.nodered.org/u/Prizal)\
**Replies:** 8\
**Last updated:** [8 July 2020 05:07 UTC](https://discourse.nodered.org/t/node-red-need-to-restart-manually/29662 "2020-07-08T05:07:20Z")

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Hello, I have installed nod red. The problem is everytime I log out the nodered seems to be offline. I need to restart each time I log in via node-red command. ~$ node-red 7 Jul 13:22:17 - \[info\] Welcome to Node-RED 7…

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## [For the mysql node, any way to cache the credentials?](https://discourse.nodered.org/t/for-the-mysql-node-any-way-to-cache-the-credentials/29693)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 0\
**Last updated:** [8 July 2020 04:18 UTC](https://discourse.nodered.org/t/for-the-mysql-node-any-way-to-cache-the-credentials/29693 "2020-07-08T04:18:36Z")

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For the mysql node, any way to cache the credentials in a safe manner? I have some deployment automation, that populates flows file and calls npm as needed. Unfortunately, nodes that cache credentials lose their cached…

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## [Best way to run a curl command?](https://discourse.nodered.org/t/best-way-to-run-a-curl-command/29594)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 18\
**Last updated:** [8 July 2020 04:14 UTC](https://discourse.nodered.org/t/best-way-to-run-a-curl-command/29594 "2020-07-08T04:14:30Z")

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Guys, I have a CURL command from my Electricity provider to query an API and return (supposedly) as JSON object. I can run this from the command line in Linux and is does return data which i can store into a file. Sim…

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## ["Error: connect ECONNREFUSED](https://discourse.nodered.org/t/error-connect-econnrefused/29608)

<div class="topic-metadata">

**Author:** [@susiloharjo](https://discourse.nodered.org/u/susiloharjo)\
**Replies:** 11\
**Last updated:** [8 July 2020 04:09 UTC](https://discourse.nodered.org/t/error-connect-econnrefused/29608 "2020-07-08T04:09:20Z")

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I make post request to my api server, post using postman works very well but i can't make post request using node-red, please help need advice msg.headers = {}; msg.headers={ 'Content-Type': 'application/json' };…

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## [Daily crashes with ELIFECYCLE. Unable to identify offending node](https://discourse.nodered.org/t/daily-crashes-with-elifecycle-unable-to-identify-offending-node/29692)

<div class="topic-metadata">

**Author:** [@Antil](https://discourse.nodered.org/u/Antil)\
**Replies:** 0\
**Last updated:** [8 July 2020 03:46 UTC](https://discourse.nodered.org/t/daily-crashes-with-elifecycle-unable-to-identify-offending-node/29692 "2020-07-08T03:46:59Z")

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I am getting a daily crash where the system restarts but the error log does not identify the offending node as there is no trace dump. Any pointers appreciated on how to find it. npm ERR! errno 1 npm ERR! node-red-docke…

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## [Implementing a new protocol](https://discourse.nodered.org/t/implementing-a-new-protocol/29398)

<div class="topic-metadata">

**Author:** [@amoreno](https://discourse.nodered.org/u/amoreno)\
**Replies:** 3\
**Last updated:** [8 July 2020 00:05 UTC](https://discourse.nodered.org/t/implementing-a-new-protocol/29398 "2020-07-08T00:05:31Z")

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Hello, Does anyone have experience implementing a new protocol, how much could it cost. I'm looking for someone that could develop the BSAP protocol for Bristol RTU's. This is the protocol Application Programmer’s Refe…

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## [Setup and close of new function node: Discussion about use cases/extensions](https://discourse.nodered.org/t/setup-and-close-of-new-function-node-discussion-about-use-cases-extensions/29570)

<div class="topic-metadata">

**Author:** [@cinhcet](https://discourse.nodered.org/u/cinhcet)\
**Replies:** 9\
**Last updated:** [7 July 2020 23:41 UTC](https://discourse.nodered.org/t/setup-and-close-of-new-function-node-discussion-about-use-cases-extensions/29570 "2020-07-07T23:41:25Z")

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Hi, Starting with v1.1, the function node now has the setup and close tab. This initially got me very excited. However, when thinking about possible use cases with the current functionality in more detail, I mostly can…

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## [How to filter the maximum value of the last 24 hours](https://discourse.nodered.org/t/how-to-filter-the-maximum-value-of-the-last-24-hours/29566)

<div class="topic-metadata">

**Author:** [@Flixm](https://discourse.nodered.org/u/Flixm)\
**Replies:** 5\
**Last updated:** [7 July 2020 22:19 UTC](https://discourse.nodered.org/t/how-to-filter-the-maximum-value-of-the-last-24-hours/29566 "2020-07-07T22:19:26Z")

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Hi, i'd like to show the maximum value of the last 24 hours on the dashboard with the ui-level node. The RBE node ist nearly perfect but it only let me filter the greater like XXX or equal to the last value. But i want…

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## [Light-Scheduler Help](https://discourse.nodered.org/t/light-scheduler-help/29601)

<div class="topic-metadata">

**Author:** [@KC-MO](https://discourse.nodered.org/u/KC-MO)\
**Replies:** 5\
**Last updated:** [7 July 2020 21:34 UTC](https://discourse.nodered.org/t/light-scheduler-help/29601 "2020-07-07T21:34:19Z")

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Hi, I am having some issues getting the node-red-contrib-light-scheduler to work. I believe I have everything set up correctly but the node does not seem to be switching states (it stays "OFF"). I have set the coordina…

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## [Testing persistent context](https://discourse.nodered.org/t/testing-persistent-context/29679)

<div class="topic-metadata">

**Author:** [@davej](https://discourse.nodered.org/u/davej)\
**Replies:** 7\
**Last updated:** [7 July 2020 20:36 UTC](https://discourse.nodered.org/t/testing-persistent-context/29679 "2020-07-07T20:36:47Z")

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I am trying out Context to save variables across a reboot. It is working fine and I have the timer set at the default 30 seconds. However, as a test, I replaced a value with the identical value and then did a flow.set(…

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## [How to calculate data in day and month using node-red-contrib-modbus and mysql](https://discourse.nodered.org/t/how-to-calculate-data-in-day-and-month-using-node-red-contrib-modbus-and-mysql/29671)

<div class="topic-metadata">

**Author:** [@sonima](https://discourse.nodered.org/u/sonima)\
**Replies:** 3\
**Last updated:** [7 July 2020 20:26 UTC](https://discourse.nodered.org/t/how-to-calculate-data-in-day-and-month-using-node-red-contrib-modbus-and-mysql/29671 "2020-07-07T20:26:03Z")

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I am working on raspberry pi 3. I am using node-red-contrib-modbus and Mysql for my project. I read my data from Modbus Energy meter by USB RS485 converter. I want calculate Power in every hour, daily, week and month but…

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## [Roller shutter: Use slider to move up and down](https://discourse.nodered.org/t/roller-shutter-use-slider-to-move-up-and-down/29583)

<div class="topic-metadata">

**Author:** [@Sempel](https://discourse.nodered.org/u/Sempel)\
**Replies:** 18\
**Last updated:** [7 July 2020 19:37 UTC](https://discourse.nodered.org/t/roller-shutter-use-slider-to-move-up-and-down/29583 "2020-07-07T19:37:34Z")

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Hi all, I am a little bit stuck. I would like to use a slider to move my roller shutter without MQTT. I have the right URL which works well, but here is my challenge: The URL in my http-request-node is like: "http://19…

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## [Node-red-contrib-persist on DietPi : EACCES: permission denied, open '/root/data/persistence.json'](https://discourse.nodered.org/t/node-red-contrib-persist-on-dietpi-eacces-permission-denied-open-root-data-persistence-json/28911)

<div class="topic-metadata">

**Author:** [@devifast](https://discourse.nodered.org/u/devifast)\
**Replies:** 51\
**Last updated:** [7 July 2020 18:43 UTC](https://discourse.nodered.org/t/node-red-contrib-persist-on-dietpi-eacces-permission-denied-open-root-data-persistence-json/28911 "2020-07-07T18:43:34Z")

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Cannot open this file in node red and dietpi. On raspbian stretch everything is ok. Please help. Thanks.

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## [Combining Sonoff POW R2 and Input Boolean](https://discourse.nodered.org/t/combining-sonoff-pow-r2-and-input-boolean/29663)

<div class="topic-metadata">

**Author:** [@phreaq](https://discourse.nodered.org/u/phreaq)\
**Replies:** 0\
**Last updated:** [7 July 2020 14:08 UTC](https://discourse.nodered.org/t/combining-sonoff-pow-r2-and-input-boolean/29663 "2020-07-07T14:08:09Z")

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I have several Sonoff POW R2s hooked up to various devices that I want to turn on/off as needed. I intend on keeping the R2s turned 'on' all the time, and use it's power value to determine if the controlled device is on …

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