# Latest

**URL:** https://discourse.nodered.org/latest.md?page=942

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

**Page:** 943

---

## [How to close Firmata (Johnny5) serial connection safely?](https://discourse.nodered.org/t/how-to-close-firmata-johnny5-serial-connection-safely/36778)

<div class="topic-metadata">

**Author:** [@PizzaProgram](https://discourse.nodered.org/u/PizzaProgram)\
**Replies:** 1\
**Last updated:** [30 November 2020 23:45 UTC](https://discourse.nodered.org/t/how-to-close-firmata-johnny5-serial-connection-safely/36778 "2020-11-30T23:45:06Z")

</div>

I think that the Johnny5 component has a bug. If clicking Deploy, the current Board connections do not close properly, so after deployment they can not reconnect. Even the enhanced, new version. I'm searching a way t…

---

## [Node-red-contrib-ui-svg: experimenting with foreign elements](https://discourse.nodered.org/t/node-red-contrib-ui-svg-experimenting-with-foreign-elements/36777)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 0\
**Last updated:** [30 November 2020 23:40 UTC](https://discourse.nodered.org/t/node-red-contrib-ui-svg-experimenting-with-foreign-elements/36777 "2020-11-30T23:40:19Z")

</div>

Hi folks, Got yesterday a feature request on Github to support the changeevent in the SVG node. Currently the SVG node only supports events triggered by the user (e.g. click, touch, keydown, ...), which you can use to …

---

## [Momentary switch or button (normally open)](https://discourse.nodered.org/t/momentary-switch-or-button-normally-open/36768)

<div class="topic-metadata">

**Author:** [@bobs409](https://discourse.nodered.org/u/bobs409)\
**Replies:** 7\
**Last updated:** [30 November 2020 22:27 UTC](https://discourse.nodered.org/t/momentary-switch-or-button-normally-open/36768 "2020-11-30T22:27:23Z")

</div>

Hi, first time poster and newbie. :crazy\_face: I've been searching all over for a way to put a momentary button on my node red dashboard. Something that goes high while pressed and back to low when left go. I didn't fi…

---

## [HTTP response based on last status of variable](https://discourse.nodered.org/t/http-response-based-on-last-status-of-variable/36771)

<div class="topic-metadata">

**Author:** [@oliver.es](https://discourse.nodered.org/u/oliver.es)\
**Replies:** 2\
**Last updated:** [30 November 2020 22:20 UTC](https://discourse.nodered.org/t/http-response-based-on-last-status-of-variable/36771 "2020-11-30T22:20:05Z")

</div>

Hi, I'm trying to build little tricky flow for purpose as follows: I have the Hikvision IP camera installed on door and this camera is sending alarm to Node-RED using hikvision-alarm-in when detect motion. In debug wind…

---

## [Is it possible to link the NEST thermostat to nodered using NORA?](https://discourse.nodered.org/t/is-it-possible-to-link-the-nest-thermostat-to-nodered-using-nora/35495)

<div class="topic-metadata">

**Author:** [@piggy](https://discourse.nodered.org/u/piggy)\
**Replies:** 21\
**Last updated:** [30 November 2020 21:26 UTC](https://discourse.nodered.org/t/is-it-possible-to-link-the-nest-thermostat-to-nodered-using-nora/35495 "2020-11-30T21:26:14Z")

</div>

is it possiable link the NEST thermostat to nodered using NORA? THX!

---

## [Need some opinion on smart home creation](https://discourse.nodered.org/t/need-some-opinion-on-smart-home-creation/34920)

<div class="topic-metadata">

**Author:** [@jordan](https://discourse.nodered.org/u/jordan)\
**Replies:** 45\
**Last updated:** [30 November 2020 20:26 UTC](https://discourse.nodered.org/t/need-some-opinion-on-smart-home-creation/34920 "2020-11-30T20:26:01Z")

</div>

Hi there, I would like to set up some sensors around my home and get the necessary data on my android phone. In other words, make a hobby-type smart home. I have a few basic sensors and PI3 as well as some Elegoo. I wi…

---

## [Form node use in node red](https://discourse.nodered.org/t/form-node-use-in-node-red/36710)

<div class="topic-metadata">

**Author:** [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Replies:** 5\
**Last updated:** [29 November 2020 14:06 UTC](https://discourse.nodered.org/t/form-node-use-in-node-red/36710 "2020-11-29T14:06:01Z")

</div>

\[{"id":"2de7c650.bbb06a","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"3979472e.7741f8","type":"buffer-parser","z":"2de7c650.bbb06a","name":"Bulid Tags","data":"payload.data","dataType":"msg","speci…

---

## ["Connection Lost" and data drops](https://discourse.nodered.org/t/connection-lost-and-data-drops/36695)

<div class="topic-metadata">

**Author:** [@AldaSoggn](https://discourse.nodered.org/u/AldaSoggn)\
**Replies:** 26\
**Last updated:** [30 November 2020 18:40 UTC](https://discourse.nodered.org/t/connection-lost-and-data-drops/36695 "2020-11-30T18:40:39Z")

</div>

Dear Node-Red Community, I know there are several thread about loosing connection but I could not find an answer for my problem anywhere. I am trying to record some temp and humidity data from several sensors. Reading …

---

## [Hide in a dashboard group a widgets](https://discourse.nodered.org/t/hide-in-a-dashboard-group-a-widgets/36767)

<div class="topic-metadata">

**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 1\
**Last updated:** [30 November 2020 17:59 UTC](https://discourse.nodered.org/t/hide-in-a-dashboard-group-a-widgets/36767 "2020-11-30T17:59:18Z")

</div>

Hello I am searching for a post here in the forum which i cannot find anymore. Here was described how to hide in a dashboard group with several (i hope that's what it's called) widgets one of them. in my example i w…

---

## [Myq Chamberlain API v5.1 Updated Flow](https://discourse.nodered.org/t/myq-chamberlain-api-v5-1-updated-flow/36736)

<div class="topic-metadata">

**Author:** [@rgerrans](https://discourse.nodered.org/u/rgerrans)\
**Replies:** 0\
**Last updated:** [29 November 2020 23:55 UTC](https://discourse.nodered.org/t/myq-chamberlain-api-v5-1-updated-flow/36736 "2020-11-29T23:55:59Z")

</div>

With the v4 API's being shutdown, used the original flow by @nothingmn (with @jtmoderate876's mod to add in the Credential's node. Then used this work to adapt to the v5.1 API. Also trimmed out a lot of the excess piece…

---

## [Error Adding Flows](https://discourse.nodered.org/t/error-adding-flows/36719)

<div class="topic-metadata">

**Author:** [@davenrea](https://discourse.nodered.org/u/davenrea)\
**Replies:** 9\
**Last updated:** [30 November 2020 17:07 UTC](https://discourse.nodered.org/t/error-adding-flows/36719 "2020-11-30T17:07:32Z")

</div>

When I load node red from the browser it says "Error Adding Flows, Imported duplicate node" the node in question is Victron-Client-id \[victron-client\] As it has taken me a few days to get to the point I can talk to the …

---

## [Node red will not start](https://discourse.nodered.org/t/node-red-will-not-start/36758)

<div class="topic-metadata">

**Author:** [@hebbus](https://discourse.nodered.org/u/hebbus)\
**Replies:** 6\
**Last updated:** [30 November 2020 17:06 UTC](https://discourse.nodered.org/t/node-red-will-not-start/36758 "2020-11-30T17:06:46Z")

</div>

Try to install nodered again and I get the following message: pi@raspberrypi:~ $ sudo apt-get install nodered Pakketlijsten worden ingelezen... Klaar Boom van vereisten wordt opgebouwd De statusinformatie wordt gelez…

---

## [Node-red-contrib-opcua Write Extension Objects Datatype](https://discourse.nodered.org/t/node-red-contrib-opcua-write-extension-objects-datatype/36763)

<div class="topic-metadata">

**Author:** [@aitor](https://discourse.nodered.org/u/aitor)\
**Replies:** 0\
**Last updated:** [30 November 2020 15:52 UTC](https://discourse.nodered.org/t/node-red-contrib-opcua-write-extension-objects-datatype/36763 "2020-11-30T15:52:30Z")

</div>

Hi there, I am trying to send ExtensionObject datatypes using the lastest version of node-red-contrib-opcua. Does anybody know if this node supports writing this datatype? (I've tried with other datatypes such as bool…

---

## [MQTT Out with SPS](https://discourse.nodered.org/t/mqtt-out-with-sps/36755)

<div class="topic-metadata">

**Author:** [@neuby](https://discourse.nodered.org/u/neuby)\
**Replies:** 3\
**Last updated:** [30 November 2020 15:36 UTC](https://discourse.nodered.org/t/mqtt-out-with-sps/36755 "2020-11-30T15:36:09Z")

</div>

Hello, I am very new in Node Red. Aktually I am working on a test connection betwen the Node Red an a Siemens PLC. Actually i can read everything i want. Here is a screenshot when i read the array. For that i use the pa…

---

## [Read different PLCs with Node-RED](https://discourse.nodered.org/t/read-different-plcs-with-node-red/34553)

<div class="topic-metadata">

**Author:** [@LucaCarminati](https://discourse.nodered.org/u/LucaCarminati)\
**Replies:** 11\
**Last updated:** [30 November 2020 15:31 UTC](https://discourse.nodered.org/t/read-different-plcs-with-node-red/34553 "2020-11-30T15:31:32Z")

</div>

Hi to everyone, I'm trying to develop an application to read different type of data from many PLCs (S7-1500). I developed yet different application between S7-1500 and Node-RED, but always with one PLC for time. My go…

---

## [Twitter - Old Tweets](https://discourse.nodered.org/t/twitter-old-tweets/36759)

<div class="topic-metadata">

**Author:** [@knubbl](https://discourse.nodered.org/u/knubbl)\
**Replies:** 1\
**Last updated:** [30 November 2020 14:15 UTC](https://discourse.nodered.org/t/twitter-old-tweets/36759 "2020-11-30T14:15:08Z")

</div>

Hi, im Using node-red-twitter to request Tweets from a certain user. So far it works but i want to get tweets with a defined Hashtag also for the past. At the moment i only get new tweets posted by the user. Is it po…

---

## [Multiple injections at the same time?](https://discourse.nodered.org/t/multiple-injections-at-the-same-time/36319)

<div class="topic-metadata">

**Author:** [@agmacedo](https://discourse.nodered.org/u/agmacedo)\
**Replies:** 11\
**Last updated:** [30 November 2020 13:56 UTC](https://discourse.nodered.org/t/multiple-injections-at-the-same-time/36319 "2020-11-30T13:56:32Z")

</div>

Hello, My idea is to develope a datalogger in node-red. If I have use a injection node (1 minute of interval) to write to a database diferent tags (values, some kind of identification, ...) from diferent sources (variab…

---

## [Modify "function node" to create "Loop"](https://discourse.nodered.org/t/modify-function-node-to-create-loop/36750)

<div class="topic-metadata">

**Author:** [@seyeon](https://discourse.nodered.org/u/seyeon)\
**Replies:** 1\
**Last updated:** [30 November 2020 11:25 UTC](https://discourse.nodered.org/t/modify-function-node-to-create-loop/36750 "2020-11-30T11:25:25Z")

</div>

\[{"id":"7401e57d.659e4c","type":"function","z":"f5d4feda.70164","name":"dimming","func":"x = msg.payload\\nfor(var x=50; x\<=255; x++)\\n{\\n node.send({\\"bright\\":x})\\n}","outputs":1,"noerr":0,"initialize":"","finaliz…

---

## [Cannot login admin after using dashboard on ios](https://discourse.nodered.org/t/cannot-login-admin-after-using-dashboard-on-ios/36713)

<div class="topic-metadata">

**Author:** [@linhtranvu](https://discourse.nodered.org/u/linhtranvu)\
**Replies:** 1\
**Last updated:** [30 November 2020 09:53 UTC](https://discourse.nodered.org/t/cannot-login-admin-after-using-dashboard-on-ios/36713 "2020-11-30T09:53:16Z")

</div>

I find this issue while working with my app. At first I think there s something wrong with my app, then discover it is an weird issue on IOS. How to replicate: 1.Open dashboard with authentication on safari 2. Close da…

---

## [How to send Slash Commands to Slack](https://discourse.nodered.org/t/how-to-send-slash-commands-to-slack/36734)

<div class="topic-metadata">

**Author:** [@Deleon](https://discourse.nodered.org/u/Deleon)\
**Replies:** 1\
**Last updated:** [30 November 2020 08:46 UTC](https://discourse.nodered.org/t/how-to-send-slash-commands-to-slack/36734 "2020-11-30T08:46:10Z")

</div>

Hi people anybody know how i can send slash commands from node-red to slack? i need to invoke a "/pool" for example in Slack i have a integration between WA \<\> Node-red \<\> Slack and i need analyze the responses from W…

---

## [Tcp in node loosing/stacking messages](https://discourse.nodered.org/t/tcp-in-node-loosing-stacking-messages/15049)

<div class="topic-metadata">

**Author:** [@SeRiusRod](https://discourse.nodered.org/u/SeRiusRod)\
**Replies:** 12\
**Last updated:** [30 November 2020 06:40 UTC](https://discourse.nodered.org/t/tcp-in-node-loosing-stacking-messages/15049 "2020-11-30T06:40:34Z")

</div>

I was doing some modifications to my system when I found that I was losing mqtt messages. I debugged the issue to the first node, a tcp input. I use mysensors on my devices, and it has a network gateway that publishes t…

---

## [Change node-red-contrib-ezviz node language to English](https://discourse.nodered.org/t/change-node-red-contrib-ezviz-node-language-to-english/36707)

<div class="topic-metadata">

**Author:** [@KoenH](https://discourse.nodered.org/u/KoenH)\
**Replies:** 6\
**Last updated:** [30 November 2020 06:02 UTC](https://discourse.nodered.org/t/change-node-red-contrib-ezviz-node-language-to-english/36707 "2020-11-30T06:02:59Z")

</div>

Hello, i want to test if a node is doing what i search, but it's programmed in (i think) Chinese... ( node-red-contrib-ezviz) How can i change it to English so i understand what is it doing? already thanks!

---

## [Inject at specific time at granular level](https://discourse.nodered.org/t/inject-at-specific-time-at-granular-level/36738)

<div class="topic-metadata">

**Author:** [@varunyc](https://discourse.nodered.org/u/varunyc)\
**Replies:** 1\
**Last updated:** [30 November 2020 03:53 UTC](https://discourse.nodered.org/t/inject-at-specific-time-at-granular-level/36738 "2020-11-30T03:53:16Z")

</div>

Hi there, simple question : How can I trigger a flow every fifteen minutes interval from 23:00PM to 3:00AM. As inject node support only one day configuration that is from 23:00PM to 00:00. I can use another inject no…

---

## [No catch of TCP timeout](https://discourse.nodered.org/t/no-catch-of-tcp-timeout/36735)

<div class="topic-metadata">

**Author:** [@garybia](https://discourse.nodered.org/u/garybia)\
**Replies:** 4\
**Last updated:** [30 November 2020 00:53 UTC](https://discourse.nodered.org/t/no-catch-of-tcp-timeout/36735 "2020-11-30T00:53:47Z")

</div>

I am testing a disconnection of a tcp in node. I have an external computer connected to my node-red running on a pi. I set the the keep alive parameter on the pi set as net.ipv4.tcp\_keepalive\_time = 60 net.ipv4.tcp\_ke…

---

## [Change JSON field type to allow JSONC](https://discourse.nodered.org/t/change-json-field-type-to-allow-jsonc/36716)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 4\
**Last updated:** [29 November 2020 23:02 UTC](https://discourse.nodered.org/t/change-json-field-type-to-allow-jsonc/36716 "2020-11-29T23:02:50Z")

</div>

Hi, sorry if this has been asked for previously. It would be really useful if the JSON input field were changed to allow JSONC (JSON with comments). Here is an example of JSONC: { "topic": "Optional. Can be anyt…

---

## [Multiple Instances of a Flow](https://discourse.nodered.org/t/multiple-instances-of-a-flow/36732)

<div class="topic-metadata">

**Author:** [@davidmarch](https://discourse.nodered.org/u/davidmarch)\
**Replies:** 1\
**Last updated:** [29 November 2020 22:07 UTC](https://discourse.nodered.org/t/multiple-instances-of-a-flow/36732 "2020-11-29T22:07:37Z")

</div>

I have a flow that I want to be able to create multiple instances of and have them run independently. I am controlling a number of IoT devices but each device sees different circumstances so each needs to be controlled b…

---

## [Getting a value from json for a gauge](https://discourse.nodered.org/t/getting-a-value-from-json-for-a-gauge/36728)

<div class="topic-metadata">

**Author:** [@Wingnut](https://discourse.nodered.org/u/Wingnut)\
**Replies:** 4\
**Last updated:** [29 November 2020 21:45 UTC](https://discourse.nodered.org/t/getting-a-value-from-json-for-a-gauge/36728 "2020-11-29T21:45:56Z")

</div>

I'm new to this, so much to learn with Home Assistant, Tasmota, Grafana and now Node Red. I'm trying to construct a Node Red Dashboard to display and control my Owl Intuition Electricity monitor and Central Heating syst…

---

## [Dashboard CSS tips - Color picker (text input) with icon](https://discourse.nodered.org/t/dashboard-css-tips-color-picker-text-input-with-icon/36730)

<div class="topic-metadata">

**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 1\
**Last updated:** [29 November 2020 20:14 UTC](https://discourse.nodered.org/t/dashboard-css-tips-color-picker-text-input-with-icon/36730 "2020-11-29T20:14:39Z")

</div>

To make it a bit more visually attractive. \[{"id":"7481671e.330d38","type":"ui\_template","z":"d7dd1239.8c663","group":"78c150e7.b098d","name":"dashboard style override","order":13,"width":0,"height":0,"format":"\<style…

---

## [Split the string and set to number](https://discourse.nodered.org/t/split-the-string-and-set-to-number/36727)

<div class="topic-metadata">

**Author:** [@Napster](https://discourse.nodered.org/u/Napster)\
**Replies:** 3\
**Last updated:** [29 November 2020 20:08 UTC](https://discourse.nodered.org/t/split-the-string-and-set-to-number/36727 "2020-11-29T20:08:39Z")

</div>

Hello, 0-1:24.2.3(201129181002W)(00050.845\*m3) I got this payload from my smart meter, i need only the m3 value. How can i do that ? Kind Regards

---

## [Connected graph in Grafana](https://discourse.nodered.org/t/connected-graph-in-grafana/36726)

<div class="topic-metadata">

**Author:** [@trombose009](https://discourse.nodered.org/u/trombose009)\
**Replies:** 2\
**Last updated:** [29 November 2020 20:05 UTC](https://discourse.nodered.org/t/connected-graph-in-grafana/36726 "2020-11-29T20:05:58Z")

</div>

Hi, I have a graph in grafana which shows me the filling of a salt container. It works great but watch my screenshot. There was a time where there are no values available and the line do not connect to the next availab…

[Previous page](https://discourse.nodered.org/latest.md?page=941)

[Next page](https://discourse.nodered.org/latest.md?page=943)