# Latest **URL:** https://discourse.nodered.org/latest.md?page=907 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 908 --- ## [\[ANNOUNCE\] node-red-contrib-ui-time-scheduler](https://discourse.nodered.org/t/announce-node-red-contrib-ui-time-scheduler/36288)
**Author:** [@fellinga](https://discourse.nodered.org/u/fellinga)\ **Replies:** 42\ **Last updated:** [19 January 2021 17:03 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-time-scheduler/36288 "2021-01-19T17:03:50Z")
Ui Time Scheduler Back in late 2018 I was looking for a simple time scheduler for the node-red dashboard that any person without any technical background (and without access to the node-red flow editor) could easily ope… --- ## [Using IBM App ID as the authentication provider for http in nodes](https://discourse.nodered.org/t/using-ibm-app-id-as-the-authentication-provider-for-http-in-nodes/39397)
**Author:** [@tim-m](https://discourse.nodered.org/u/tim-m)\ **Replies:** 0\ **Last updated:** [19 January 2021 17:00 UTC](https://discourse.nodered.org/t/using-ibm-app-id-as-the-authentication-provider-for-http-in-nodes/39397 "2021-01-19T17:00:05Z")
Hi, been Googling this in various ways for a while and been trying all the auth oath http nodes I can find but not coming up with anything. What I want to create is a web app (provided by http nodes) that is secured via … --- ## [Excel data to html table](https://discourse.nodered.org/t/excel-data-to-html-table/39203)
**Author:** [@Gaberiel](https://discourse.nodered.org/u/Gaberiel)\ **Replies:** 11\ **Last updated:** [19 January 2021 16:13 UTC](https://discourse.nodered.org/t/excel-data-to-html-table/39203 "2021-01-19T16:13:27Z")
Hi everyone; How can I convert excel data to an HTML table? --- ## [How to filter the values of msg.payload?](https://discourse.nodered.org/t/how-to-filter-the-values-of-msg-payload/39387)
**Author:** [@relic](https://discourse.nodered.org/u/relic)\ **Replies:** 6\ **Last updated:** [19 January 2021 14:30 UTC](https://discourse.nodered.org/t/how-to-filter-the-values-of-msg-payload/39387 "2021-01-19T14:30:40Z")
Hi there, I'm somehow new to Node-RED and I like it very much as I've managed to do some mini personal projects with it. Right now, I'm stuck with a payload that needs to get filtered out - it looks very similar to the… --- ## [Need Help Configuring payload for HTTP request](https://discourse.nodered.org/t/need-help-configuring-payload-for-http-request/39389)
**Author:** [@davidmarch](https://discourse.nodered.org/u/davidmarch)\ **Replies:** 0\ **Last updated:** [19 January 2021 14:13 UTC](https://discourse.nodered.org/t/need-help-configuring-payload-for-http-request/39389 "2021-01-19T14:13:26Z")
Having difficulty getting the payload correct for an HTTP / RESTAPI call. I first develop using POSTMAN (just find it easier) and then transfer to Node-Red, either in function node or change node. I can't get the followi… --- ## [CSS issue roller shutter template](https://discourse.nodered.org/t/css-issue-roller-shutter-template/39005)
**Author:** [@Mortimer](https://discourse.nodered.org/u/Mortimer)\ **Replies:** 4\ **Last updated:** [19 January 2021 13:56 UTC](https://discourse.nodered.org/t/css-issue-roller-shutter-template/39005 "2021-01-19T13:56:55Z")
Dear all, based on https://discourse.nodered.org/t/roller-shutter-template/23399 I tried to improve the CSS to become compatible with the current iOS 14.3 on iPhones. With the existing code from the above mentioned thr… --- ## [Read data via ajax -node red](https://discourse.nodered.org/t/read-data-via-ajax-node-red/39327)
**Author:** [@hassengh](https://discourse.nodered.org/u/hassengh)\ **Replies:** 5\ **Last updated:** [19 January 2021 10:26 UTC](https://discourse.nodered.org/t/read-data-via-ajax-node-red/39327 "2021-01-19T10:26:57Z")
Dear all , I have application php/html , I want to read (via AJAX ) value of sensor via node red ? Someone has idea how to read value sensor via AJAX ? thanks --- ## [Node-red button](https://discourse.nodered.org/t/node-red-button/39369)
**Author:** [@xale12](https://discourse.nodered.org/u/xale12)\ **Replies:** 2\ **Last updated:** [19 January 2021 09:15 UTC](https://discourse.nodered.org/t/node-red-button/39369 "2021-01-19T09:15:39Z")
I used to change node-red button very easy and fast with this code, which can change the color and size of the button icon imediatly. But now I have to reload the ui webpage to upload new status of the button. Can you gu… --- ## [Find out if the dashboard is open in the browser](https://discourse.nodered.org/t/find-out-if-the-dashboard-is-open-in-the-browser/39370)
**Author:** [@lexeyfan](https://discourse.nodered.org/u/lexeyfan)\ **Replies:** 2\ **Last updated:** [19 January 2021 08:21 UTC](https://discourse.nodered.org/t/find-out-if-the-dashboard-is-open-in-the-browser/39370 "2021-01-19T08:21:20Z")
Can I get the status of the dashboard opening in the browser? I don't want to make requests with a closed dashboard? --- ## [Trouble with MQTT automation creating endless loops](https://discourse.nodered.org/t/trouble-with-mqtt-automation-creating-endless-loops/39090)
**Author:** [@reverendalc](https://discourse.nodered.org/u/reverendalc)\ **Replies:** 57\ **Last updated:** [19 January 2021 03:51 UTC](https://discourse.nodered.org/t/trouble-with-mqtt-automation-creating-endless-loops/39090 "2021-01-19T03:51:00Z")
qualification: I'm super new to node-red I have some MQTT/Tasmota devices which I'm attempting to automate for the purpose of stateful mirroring. this particular use-case is using smart switches to replace ALL switche… --- ## [Getting specific data from a large xml](https://discourse.nodered.org/t/getting-specific-data-from-a-large-xml/39191)
**Author:** [@luks](https://discourse.nodered.org/u/luks)\ **Replies:** 19\ **Last updated:** [19 January 2021 01:45 UTC](https://discourse.nodered.org/t/getting-specific-data-from-a-large-xml/39191 "2021-01-19T01:45:04Z")
Hi everyone, So, i'm working with a machine that posts its setup information in a .xml file, but it's information comes in a History topic. So if someone changes any setup value the "actual value" will be written furter… --- ## [MQTT retaining unwanted messages](https://discourse.nodered.org/t/mqtt-retaining-unwanted-messages/39163)
**Author:** [@nksky](https://discourse.nodered.org/u/nksky)\ **Replies:** 6\ **Last updated:** [19 January 2021 00:04 UTC](https://discourse.nodered.org/t/mqtt-retaining-unwanted-messages/39163 "2021-01-19T00:04:46Z")
I have a simple flow, Ubuntu server, 2 Pi-4 Clients. Communication via MQTT between clients and server. On the server I set the MQTT out node to "Retain Message", so when the client would start it would get the last mes… --- ## [Trouble getting booleans from "rpi-gpio in" node](https://discourse.nodered.org/t/trouble-getting-booleans-from-rpi-gpio-in-node/39355)
**Author:** [@CarlosPerz](https://discourse.nodered.org/u/CarlosPerz)\ **Replies:** 2\ **Last updated:** [18 January 2021 22:52 UTC](https://discourse.nodered.org/t/trouble-getting-booleans-from-rpi-gpio-in-node/39355 "2021-01-18T22:52:48Z")
I'm trying to get the 0 value that is coming from the GPIO pin 40, but when I print the payload it shows some numbers, not a boolean output such as the documentation says --- ## [Failure to connect tp-link Tapo P100 smart plug to node-red-contrib-tplink](https://discourse.nodered.org/t/failure-to-connect-tp-link-tapo-p100-smart-plug-to-node-red-contrib-tplink/39209)
**Author:** [@zoppolig](https://discourse.nodered.org/u/zoppolig)\ **Replies:** 4\ **Last updated:** [18 January 2021 22:45 UTC](https://discourse.nodered.org/t/failure-to-connect-tp-link-tapo-p100-smart-plug-to-node-red-contrib-tplink/39209 "2021-01-18T22:45:16Z")
Hi, I'm trying to use the node-red-contrib-tplink node to control a tp-link Tapo p100 smart plug. From my mobile app, that's fine and I can see the plug's IP, but when I try to scan the plug with tplink node, I cannot id… --- ## [Simple flow but not reliable](https://discourse.nodered.org/t/simple-flow-but-not-reliable/39295)
**Author:** [@nklenk1979](https://discourse.nodered.org/u/nklenk1979)\ **Replies:** 4\ **Last updated:** [18 January 2021 22:17 UTC](https://discourse.nodered.org/t/simple-flow-but-not-reliable/39295 "2021-01-18T22:17:17Z")
Hi, I created a flow which is triggered if a window is opened, after 5 minutes I want to have a reminder through an amazon echo that the window should be closed. If not closed within 2 minutes there should be a second … --- ## [Calculating RPM? Arduino & Firmata](https://discourse.nodered.org/t/calculating-rpm-arduino-firmata/39352)
**Author:** [@lizzardguki](https://discourse.nodered.org/u/lizzardguki)\ **Replies:** 5\ **Last updated:** [18 January 2021 21:57 UTC](https://discourse.nodered.org/t/calculating-rpm-arduino-firmata/39352 "2021-01-18T21:57:42Z")
I have a hall sensor that is right next to the shaft that haves two magnets (see the image below), and it is connected to the Arduino and Firmata... I am curious how could I calculate the RPM of the shaft precisely... … --- ## [Converting JSON Object to boolean](https://discourse.nodered.org/t/converting-json-object-to-boolean/39284)
**Author:** [@Fragmike](https://discourse.nodered.org/u/Fragmike)\ **Replies:** 6\ **Last updated:** [18 January 2021 21:19 UTC](https://discourse.nodered.org/t/converting-json-object-to-boolean/39284 "2021-01-18T21:19:25Z")
Hi..Trying to control my blinds. Really new to this here...tried SEARCH but could not find a solution. Using a NORA node that delivers a JSON Object DEBUG: msg.payload : Object { openPercent: 0 } and { openPercent… --- ## [Ui Builder - eCharts with Vue caching problem](https://discourse.nodered.org/t/ui-builder-echarts-with-vue-caching-problem/38769)
**Author:** [@yzerman](https://discourse.nodered.org/u/yzerman)\ **Replies:** 17\ **Last updated:** [18 January 2021 21:06 UTC](https://discourse.nodered.org/t/ui-builder-echarts-with-vue-caching-problem/38769 "2021-01-18T21:06:37Z")
Hi everyone, I am using eCharts with UI builder and vuejs for graphics. I use and caching function also because I want to see the graphic from different clients/browsers. My problem is that the arrays that i use for X an… --- ## [Talking to a modbus 8CH relay - how to use node-red-contrib-binary & crc?](https://discourse.nodered.org/t/talking-to-a-modbus-8ch-relay-how-to-use-node-red-contrib-binary-crc/39279)
**Author:** [@IoTPlay](https://discourse.nodered.org/u/IoTPlay)\ **Replies:** 2\ **Last updated:** [18 January 2021 19:39 UTC](https://discourse.nodered.org/t/talking-to-a-modbus-8ch-relay-how-to-use-node-red-contrib-binary-crc/39279 "2021-01-18T19:39:20Z")
Hello all, have a great 2021! I am trying to incorporate modbus into my Node-RED projects. I have no prior knowledge of modbus, etc. I bought an 8 ch relay, with the USB dongle from WaveShare, which I finally got worki… --- ## [Exec script to UI app](https://discourse.nodered.org/t/exec-script-to-ui-app/14643)
**Author:** [@nicorl](https://discourse.nodered.org/u/nicorl)\ **Replies:** 5\ **Last updated:** [18 January 2021 19:19 UTC](https://discourse.nodered.org/t/exec-script-to-ui-app/14643 "2021-01-18T19:19:17Z")
Hi, First of all, thanks everyone to take your time to help. English is not my mature language and I apologize beforehand for that. I have a node with exec easy sentence: script.md The code in script.md is: lxtermina… --- ## [Why are the file dates Oct 26 1985 after npm install?](https://discourse.nodered.org/t/why-are-the-file-dates-oct-26-1985-after-npm-install/39332)
**Author:** [@iiot2k](https://discourse.nodered.org/u/iiot2k)\ **Replies:** 1\ **Last updated:** [18 January 2021 14:13 UTC](https://discourse.nodered.org/t/why-are-the-file-dates-oct-26-1985-after-npm-install/39332 "2021-01-18T14:13:47Z")
Hi, I publish a node node-red-contrib-.. on npm. All file dates are actual. When I install the node with npm install node-red-contrib-.. some files has file date 26.10.1985. This is the date in film back to the fut… --- ## [How can I optimise my email code](https://discourse.nodered.org/t/how-can-i-optimise-my-email-code/39270)
**Author:** [@robo7795](https://discourse.nodered.org/u/robo7795)\ **Replies:** 8\ **Last updated:** [18 January 2021 18:42 UTC](https://discourse.nodered.org/t/how-can-i-optimise-my-email-code/39270 "2021-01-18T18:42:15Z")
Hello, can someone help me to optimize my code ? I want to send CSV files by email, at the moment I solve this with a join node, is there also a way to send it without join node? I have added my code. \[{"id":"e56d7627… --- ## [Best way to establish a random (range) injection like node?](https://discourse.nodered.org/t/best-way-to-establish-a-random-range-injection-like-node/39342)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 4\ **Last updated:** [18 January 2021 16:20 UTC](https://discourse.nodered.org/t/best-way-to-establish-a-random-range-injection-like-node/39342 "2021-01-18T16:20:31Z")
Best way to establish a random (range) injection like node? Need a inject like node, that can have a random time range. For example, node generates message at 1 second, then 3 seconds later, then 2 seconds later, etc.,… --- ## [Audio out Node, error "not allowed"](https://discourse.nodered.org/t/audio-out-node-error-not-allowed/39323)
**Author:** [@maxmueller50](https://discourse.nodered.org/u/maxmueller50)\ **Replies:** 4\ **Last updated:** [18 January 2021 18:12 UTC](https://discourse.nodered.org/t/audio-out-node-error-not-allowed/39323 "2021-01-18T18:12:02Z")
Hi my question, when I get this Error "not allowed" and why sometimes this function works? the alarm will be generated at the first link the date/time has the same value 3 times "no data/update" and the second link is… --- ## [Another question about dashboard header!](https://discourse.nodered.org/t/another-question-about-dashboard-header/39345)
**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\ **Replies:** 0\ **Last updated:** [18 January 2021 18:05 UTC](https://discourse.nodered.org/t/another-question-about-dashboard-header/39345 "2021-01-18T18:05:56Z")
Hi, I'm trying to adapt this code for my needs, however it would be good if one ui\_template could handle multiple changes. Is it possible to substitute the values classname and headerstatus with data from the msg. eg … --- ## [Comparison of two temperatures](https://discourse.nodered.org/t/comparison-of-two-temperatures/39239)
**Author:** [@NooBAsTiK](https://discourse.nodered.org/u/NooBAsTiK)\ **Replies:** 22\ **Last updated:** [18 January 2021 17:26 UTC](https://discourse.nodered.org/t/comparison-of-two-temperatures/39239 "2021-01-18T17:26:11Z")
I'm new to Node Red and can't figure out how to compare two values ( two temperatures). I get two temperatures from openhab (current temperature and target temperature). How do I compare them and, if the condition is met… --- ## [How to add items in dropdown bar via text-input?](https://discourse.nodered.org/t/how-to-add-items-in-dropdown-bar-via-text-input/39335)
**Author:** [@Aglio](https://discourse.nodered.org/u/Aglio)\ **Replies:** 1\ **Last updated:** [18 January 2021 16:29 UTC](https://discourse.nodered.org/t/how-to-add-items-in-dropdown-bar-via-text-input/39335 "2021-01-18T16:29:31Z")
Based on the screenshots above the IP address from 192.168.1.1 to 192.168.1.3 is pre-defined in the nodes inside. But now I want it in a way where I enter a new IP address via text input and once I hit enter it will u… --- ## [How can I login to a website with username & pass from node RED](https://discourse.nodered.org/t/how-can-i-login-to-a-website-with-username-pass-from-node-red/39339)
**Author:** [@Chetan](https://discourse.nodered.org/u/Chetan)\ **Replies:** 2\ **Last updated:** [18 January 2021 16:22 UTC](https://discourse.nodered.org/t/how-can-i-login-to-a-website-with-username-pass-from-node-red/39339 "2021-01-18T16:22:16Z")
I want to do the web scrapping of a web site which needs username & password for login. i tried with http and https request node but not working. does anyone have idea how we can pass this authentication ? --- ## [Key Binding of the ace editor does not work in the expanded editor](https://discourse.nodered.org/t/key-binding-of-the-ace-editor-does-not-work-in-the-expanded-editor/39108)
**Author:** [@chiche](https://discourse.nodered.org/u/chiche)\ **Replies:** 8\ **Last updated:** [18 January 2021 16:06 UTC](https://discourse.nodered.org/t/key-binding-of-the-ace-editor-does-not-work-in-the-expanded-editor/39108 "2021-01-18T16:06:42Z")
I create a customize node using the ace editor as below: HTML content \
\