# Latest

**URL:** https://discourse.nodered.org/latest.md?page=898

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

**Page:** 899

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## [Compare inside temp to outside](https://discourse.nodered.org/t/compare-inside-temp-to-outside/936)

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**Author:** [@nmatt25](https://discourse.nodered.org/u/nmatt25)\
**Replies:** 24\
**Last updated:** [30 January 2021 10:43 UTC](https://discourse.nodered.org/t/compare-inside-temp-to-outside/936 "2021-01-30T10:43:22Z")

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Let me start by saying that I am very new to node red but not to home automation. I have been using smartthings for the past 2 years but have recently started build my new system (home assistant) for the sole reason of w…

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## [Setting up a secure connection](https://discourse.nodered.org/t/setting-up-a-secure-connection/40026)

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**Author:** [@prf](https://discourse.nodered.org/u/prf)\
**Replies:** 6\
**Last updated:** [30 January 2021 09:32 UTC](https://discourse.nodered.org/t/setting-up-a-secure-connection/40026 "2021-01-30T09:32:43Z")

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I've only been experimenting with Node-red for a couple of days. I'm warned that my connection is unsecured and so I've read the documentation that deals with enabling HTTPS access. Quoting from the documentation: As a …

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## [Matches Regex SwitchNode](https://discourse.nodered.org/t/matches-regex-switchnode/40035)

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**Author:** [@nicedevil](https://discourse.nodered.org/u/nicedevil)\
**Replies:** 6\
**Last updated:** [30 January 2021 09:09 UTC](https://discourse.nodered.org/t/matches-regex-switchnode/40035 "2021-01-30T09:09:06Z")

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Heya, found this great snipped here in Node-RED Forum There was explained on how to get a message checked for its string. But in this case it must be exactly the right string, what do I have to do if I have to check if …

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## [Tooltips are hidden when widget is disabled](https://discourse.nodered.org/t/tooltips-are-hidden-when-widget-is-disabled/40033)

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**Author:** [@Robertotarga](https://discourse.nodered.org/u/Robertotarga)\
**Replies:** 0\
**Last updated:** [30 January 2021 08:26 UTC](https://discourse.nodered.org/t/tooltips-are-hidden-when-widget-is-disabled/40033 "2021-01-30T08:26:53Z")

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Dashboard v. 2.23.3, NR v. 1.1.3 I noticed that a button or a switch tooltip is not shown when the widget is disabled, e.g. via msg.disabled = false. I think that the tooltip should always be visible regardless of the …

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## [Is there a universal update script/command?](https://discourse.nodered.org/t/is-there-a-universal-update-script-command/39985)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [29 January 2021 22:35 UTC](https://discourse.nodered.org/t/is-there-a-universal-update-script-command/39985 "2021-01-29T22:35:13Z")

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If I want to update NR on my RasPi, I use this command: bash \<(curl -sL https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/update-nodejs-and-nodered) and it works. But it doesn't work for…

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## [InfluxDB | Delete measurement information between to times](https://discourse.nodered.org/t/influxdb-delete-measurement-information-between-to-times/40010)

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**Author:** [@vikozo](https://discourse.nodered.org/u/vikozo)\
**Replies:** 4\
**Last updated:** [29 January 2021 22:03 UTC](https://discourse.nodered.org/t/influxdb-delete-measurement-information-between-to-times/40010 "2021-01-29T22:03:51Z")

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Hello I need to delet some datas in a measurement I know the measurement is in Egolzwil need to delete all information in Egolzwil from the 2021-01-28 23:36:30 till 2021-01-29 16:56:30 how to do this correct way? h…

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## [CONNECTION LOST dashboard error every 30 seconds](https://discourse.nodered.org/t/connection-lost-dashboard-error-every-30-seconds/40009)

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**Author:** [@wa9mvz](https://discourse.nodered.org/u/wa9mvz)\
**Replies:** 12\
**Last updated:** [29 January 2021 21:10 UTC](https://discourse.nodered.org/t/connection-lost-dashboard-error-every-30-seconds/40009 "2021-01-29T21:10:06Z")

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Running Node-Red on a Pi 3B and Chromium browser. I am receiving external serial data from a SERIAL IN node and doing some arithmetic on the payload. Everything works flawlessly according to the debug nodes in the flow …

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## [Sensor Data much to high](https://discourse.nodered.org/t/sensor-data-much-to-high/39984)

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**Author:** [@vikozo](https://discourse.nodered.org/u/vikozo)\
**Replies:** 5\
**Last updated:** [29 January 2021 20:44 UTC](https://discourse.nodered.org/t/sensor-data-much-to-high/39984 "2021-01-29T20:44:37Z")

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Hello i grab some temperature sensor from a weather station. Now something is wrong there and i got temperature over 8000C it musst be like a sun this Station. Is there a way to ignore this wrong Data befor added to t…

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## [Noob JSON issues](https://discourse.nodered.org/t/noob-json-issues/39771)

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**Author:** [@lorenjz](https://discourse.nodered.org/u/lorenjz)\
**Replies:** 3\
**Last updated:** [29 January 2021 19:34 UTC](https://discourse.nodered.org/t/noob-json-issues/39771 "2021-01-29T19:34:58Z")

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The following JSON is passed to Node-RED from a traccar server: {"event":{"id":683,"attributes":{},"deviceId":1,"type":"deviceUnknown","serverTime":"2021-01-26T03:31:58.515+0000","positionId":0,"geofenceId":0,"maintenan…

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## [Save&Restore Chart Data](https://discourse.nodered.org/t/save-restore-chart-data/39808)

<div class="topic-metadata">

**Author:** [@pDR8iLQ4go](https://discourse.nodered.org/u/pDR8iLQ4go)\
**Replies:** 10\
**Last updated:** [29 January 2021 17:31 UTC](https://discourse.nodered.org/t/save-restore-chart-data/39808 "2021-01-29T17:31:30Z")

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I had the problem that my chart data was deleted when I deployed my workspace. I was able to solve this topic using this subflow: But I'm wondering if my file system will be damaged if there is a periodically (every mi…

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## [Presence sensor booleans](https://discourse.nodered.org/t/presence-sensor-booleans/39969)

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**Author:** [@elder1104](https://discourse.nodered.org/u/elder1104)\
**Replies:** 3\
**Last updated:** [29 January 2021 16:49 UTC](https://discourse.nodered.org/t/presence-sensor-booleans/39969 "2021-01-29T16:49:33Z")

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Hello, I am a total newbie and just started using home assistant and node red. I am trying to get some booleans going were if at least one person home the home boolean is toggled on, and if no one is home toggle off the…

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## [Where have my Sliders Gone?](https://discourse.nodered.org/t/where-have-my-sliders-gone/39947)

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**Author:** [@SteveP](https://discourse.nodered.org/u/SteveP)\
**Replies:** 17\
**Last updated:** [29 January 2021 16:40 UTC](https://discourse.nodered.org/t/where-have-my-sliders-gone/39947 "2021-01-29T16:40:24Z")

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Help, I had set up 4 Sliders and had them working. Now they have disappeared. if I add a Slider it shows on the Work Bench but is not appearing on the Dash Board. v1.2.7 of Node Red and 2.…

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## [UI-Table timestamp with correct TZ](https://discourse.nodered.org/t/ui-table-timestamp-with-correct-tz/39958)

<div class="topic-metadata">

**Author:** [@comins58](https://discourse.nodered.org/u/comins58)\
**Replies:** 4\
**Last updated:** [29 January 2021 15:49 UTC](https://discourse.nodered.org/t/ui-table-timestamp-with-correct-tz/39958 "2021-01-29T15:49:18Z")

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Howdy, Loving Node-Red and that I have a dashboard table pulling from a DB using only 2 lines of code. I grab sensor data from various ESP32 nodes via MQTT and stick them in a MariaDB. I have Node Red running on a Ra…

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## [Using Node-RED and (Step7) PLCSIM](https://discourse.nodered.org/t/using-node-red-and-step7-plcsim/39791)

<div class="topic-metadata">

**Author:** [@e-Duardo](https://discourse.nodered.org/u/e-Duardo)\
**Replies:** 4\
**Last updated:** [29 January 2021 15:35 UTC](https://discourse.nodered.org/t/using-node-red-and-step7-plcsim/39791 "2021-01-29T15:35:45Z")

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Hi, I am learning to program PLCs, specifically Siemens Step7 with TIA Portal, and in the meanwhile I am following some tutorials to use Node-RED to create HMI (just to write/read some data). Specifically I am using the…

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## [How do you DELETE a subflow?](https://discourse.nodered.org/t/how-do-you-delete-a-subflow/3542)

<div class="topic-metadata">

**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 3\
**Last updated:** [29 January 2021 14:44 UTC](https://discourse.nodered.org/t/how-do-you-delete-a-subflow/3542 "2021-01-29T14:44:45Z")

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I have some flows that are getting pretty crowded. (I didn't know there was a height limit to the flow screen). So, I decided it's time to use subflows to clean up the various tabs. But, now I have a couple of test su…

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## [Trigger periodically a value to database](https://discourse.nodered.org/t/trigger-periodically-a-value-to-database/39798)

<div class="topic-metadata">

**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 6\
**Last updated:** [29 January 2021 13:53 UTC](https://discourse.nodered.org/t/trigger-periodically-a-value-to-database/39798 "2021-01-29T13:53:10Z")

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Hi ! is it possible to trigger a value every day at 0:00h and write it to influxdb ? this are the values from the integrated heat meter of my heat pump. I would like to build the consumption of every month / year. J…

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## [Configuring Serial Node for Bluetooth Communication](https://discourse.nodered.org/t/configuring-serial-node-for-bluetooth-communication/39943)

<div class="topic-metadata">

**Author:** [@hkayan](https://discourse.nodered.org/u/hkayan)\
**Replies:** 9\
**Last updated:** [29 January 2021 11:48 UTC](https://discourse.nodered.org/t/configuring-serial-node-for-bluetooth-communication/39943 "2021-01-29T11:48:31Z")

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Hello, I am connecting Arduino to Rapberry Pi over bluetooth. On Raspberry Pi if I create rfcomm channel via sudo rfcomm hci0 MAC\_HERE 1, I can use serial input node in Node-RED and get data as /dev/rfcomm0 appears whe…

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## [Activate a gpio using siri's voice commands remotely (via shortcut)](https://discourse.nodered.org/t/activate-a-gpio-using-siris-voice-commands-remotely-via-shortcut/39904)

<div class="topic-metadata">

**Author:** [@fzr91](https://discourse.nodered.org/u/fzr91)\
**Replies:** 9\
**Last updated:** [29 January 2021 10:09 UTC](https://discourse.nodered.org/t/activate-a-gpio-using-siris-voice-commands-remotely-via-shortcut/39904 "2021-01-29T10:09:56Z")

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Hi, After removing the account on apple tv 3 I can no longer use it as a hub (i tried to reinstall the account several times) so i can't remotely use the siri shortcuts to give voice commands to the raspberry, there is a…

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## [Delete in-use subflow doesn't warn, and how to find subflow uses](https://discourse.nodered.org/t/delete-in-use-subflow-doesnt-warn-and-how-to-find-subflow-uses/39793)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 8\
**Last updated:** [29 January 2021 10:09 UTC](https://discourse.nodered.org/t/delete-in-use-subflow-doesnt-warn-and-how-to-find-subflow-uses/39793 "2021-01-29T10:09:12Z")

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Two related issues: If I delete a subflow that is currently in use there is no warning, all instances of it just disappear. Is that expected? Is there a way of finding all instances of a subflow? Searching for th…

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## [Node-red-contrib-simple-thermostat](https://discourse.nodered.org/t/node-red-contrib-simple-thermostat/39902)

<div class="topic-metadata">

**Author:** [@gnulp](https://discourse.nodered.org/u/gnulp)\
**Replies:** 5\
**Last updated:** [29 January 2021 10:06 UTC](https://discourse.nodered.org/t/node-red-contrib-simple-thermostat/39902 "2021-01-29T10:06:44Z")

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Trying to set up a simple temperature control using teh node-red-contrib-simple-thermostat. Problem: I'm unable to set the target temp by a message. Messages with topic "target" have been ignored. Has someone a hint?

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## [Looking for some insights](https://discourse.nodered.org/t/looking-for-some-insights/39942)

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**Author:** [@DGRAY325](https://discourse.nodered.org/u/DGRAY325)\
**Replies:** 3\
**Last updated:** [29 January 2021 09:47 UTC](https://discourse.nodered.org/t/looking-for-some-insights/39942 "2021-01-29T09:47:39Z")

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So I am still relatively new to Node-Red but the more I dive in the more the wheels start spinning. I have a daily problem that I have been looking to create a some sort of solution to for some time now and think node-re…

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## [Generate pdf of mysql data](https://discourse.nodered.org/t/generate-pdf-of-mysql-data/39979)

<div class="topic-metadata">

**Author:** [@Yiez](https://discourse.nodered.org/u/Yiez)\
**Replies:** 1\
**Last updated:** [29 January 2021 09:14 UTC](https://discourse.nodered.org/t/generate-pdf-of-mysql-data/39979 "2021-01-29T09:14:25Z")

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Hi all, How can i generate a pdf file of mysql data in table format? I have installed the pdfmake node but not really sure how to continue with that...

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## [I am seeing this error when I use the \`q-gate\` node and am told to ask here](https://discourse.nodered.org/t/i-am-seeing-this-error-when-i-use-the-q-gate-node-and-am-told-to-ask-here/39968)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 9\
**Last updated:** [29 January 2021 09:12 UTC](https://discourse.nodered.org/t/i-am-seeing-this-error-when-i-use-the-q-gate-node-and-am-told-to-ask-here/39968 "2021-01-29T09:12:05Z")

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I have this node installed: node-red-contrib-queue-gate I am seeing errors in my flows - I think at boot - and when raised with the writer they say it is a problem outside the node's scope. The error message you've b…

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## [Dashboard Switch for status and control](https://discourse.nodered.org/t/dashboard-switch-for-status-and-control/39703)

<div class="topic-metadata">

**Author:** [@molt](https://discourse.nodered.org/u/molt)\
**Replies:** 36\
**Last updated:** [29 January 2021 08:00 UTC](https://discourse.nodered.org/t/dashboard-switch-for-status-and-control/39703 "2021-01-29T08:00:11Z")

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Hi, this is my first try to implement sth. with node-red. I´ve installed node-red-contrib-deconz and node-red-dashboard - they´re both up and running. The switch should show me the actual state of the light (on or off…

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## [Function with 2 Output](https://discourse.nodered.org/t/function-with-2-output/39986)

<div class="topic-metadata">

**Author:** [@bsailer1975](https://discourse.nodered.org/u/bsailer1975)\
**Replies:** 1\
**Last updated:** [29 January 2021 07:32 UTC](https://discourse.nodered.org/t/function-with-2-output/39986 "2021-01-29T07:32:24Z")

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Good morning! Has anyone an idea why i dont get any output on channel 2 of the "Action after... - function"?

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## [Removing node-red-contrib-tts-ultimate?](https://discourse.nodered.org/t/removing-node-red-contrib-tts-ultimate/39981)

<div class="topic-metadata">

**Author:** [@Tovrin](https://discourse.nodered.org/u/Tovrin)\
**Replies:** 2\
**Last updated:** [29 January 2021 06:05 UTC](https://discourse.nodered.org/t/removing-node-red-contrib-tts-ultimate/39981 "2021-01-29T06:05:04Z")

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I've installed node-red-contrib-tts-ultimate, however I realised that it requires SONOS. My bad. However it doesn't give me the option to remove from the pallet as the ttsultimate-config is in use and I can't find any …

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## [Gate\_opener with coco\_ssd, open\_alpr, ewelink and telegram](https://discourse.nodered.org/t/gate-opener-with-coco-ssd-open-alpr-ewelink-and-telegram/39960)

<div class="topic-metadata">

**Author:** [@Mateiuc](https://discourse.nodered.org/u/Mateiuc)\
**Replies:** 0\
**Last updated:** [28 January 2021 23:16 UTC](https://discourse.nodered.org/t/gate-opener-with-coco-ssd-open-alpr-ewelink-and-telegram/39960 "2021-01-28T23:16:31Z")

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Hi there, this is my flow that i use to open my gate with licence plate, it's a "puzzle" taken from different forum, i didn't create nothing, i only use the others work , it's their credit....normally, you guys, will fin…

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## [Disable ALL nodes in a Group](https://discourse.nodered.org/t/disable-all-nodes-in-a-group/39781)

<div class="topic-metadata">

**Author:** [@Kazzy](https://discourse.nodered.org/u/Kazzy)\
**Replies:** 11\
**Last updated:** [28 January 2021 22:50 UTC](https://discourse.nodered.org/t/disable-all-nodes-in-a-group/39781 "2021-01-28T22:50:46Z")

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Hi. what would be cool is when you've grouped a load of nodes is that you can just disable the group and all the nodes inside then get disabled. At the moment via the INFO side bar, you can expand the Group and then g…

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## [Phoscon deConz - Raspbee II with lidl bulb](https://discourse.nodered.org/t/phoscon-deconz-raspbee-ii-with-lidl-bulb/39088)

<div class="topic-metadata">

**Author:** [@vikozo](https://discourse.nodered.org/u/vikozo)\
**Replies:** 3\
**Last updated:** [28 January 2021 22:05 UTC](https://discourse.nodered.org/t/phoscon-deconz-raspbee-ii-with-lidl-bulb/39088 "2021-01-28T22:05:54Z")

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hello i have a Phoscon deConz - Raspbee II with lidl bulb i installed the deconz node. But can't find out how to inject a change of Brightness or ColorTemperature. the only things working is the Toggle working - but b…

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## [Rounding down in a function node](https://discourse.nodered.org/t/rounding-down-in-a-function-node/39957)

<div class="topic-metadata">

**Author:** [@sudomac](https://discourse.nodered.org/u/sudomac)\
**Replies:** 2\
**Last updated:** [28 January 2021 21:14 UTC](https://discourse.nodered.org/t/rounding-down-in-a-function-node/39957 "2021-01-28T21:14:16Z")

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Hello all! I am using a function node for math equations, and need to round a number down to the nearest integer. EX msg.payload=23.5, needs to be rounded down to 23. The normal JSON argument for this is $floor(), howev…

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