# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1116

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

**Page:** 1117

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## [Node Context does not reset on redeploy](https://discourse.nodered.org/t/node-context-does-not-reset-on-redeploy/14733)

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**Author:** [@g4ocq](https://discourse.nodered.org/u/g4ocq)\
**Replies:** 11\
**Last updated:** [14 April 2020 12:45 UTC](https://discourse.nodered.org/t/node-context-does-not-reset-on-redeploy/14733 "2020-04-14T12:45:33Z")

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Hello, I am scatching my head regarding the node context context.get and context.set I am finding it does not get reset on a redeploy and the previous values remain. I have changed my settings.js file to allow some c…

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## [Object to number Conversion](https://discourse.nodered.org/t/object-to-number-conversion/24807)

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**Author:** [@Robbie98](https://discourse.nodered.org/u/Robbie98)\
**Replies:** 1\
**Last updated:** [14 April 2020 12:36 UTC](https://discourse.nodered.org/t/object-to-number-conversion/24807 "2020-04-14T12:36:13Z")

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Hello, im trying to convert a Object (Sense hat simulator temperature output) to a number (UI Gauge) im having issues regarding the conversion, if someone could steer me in the correct way, much appreciated!

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## [Help with (yet another) button](https://discourse.nodered.org/t/help-with-yet-another-button/24799)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [14 April 2020 12:19 UTC](https://discourse.nodered.org/t/help-with-yet-another-button/24799 "2020-04-14T12:19:07Z")

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Yesterday @bakman2 helped me no end with a button and getting the colours working as I wanted. New day, new button. This is what I have in the template node: \<button ng-mousedown="send({payload: 'Down'})" ng-mouseup="…

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## [Not getting "pictures" on dashboard](https://discourse.nodered.org/t/not-getting-pictures-on-dashboard/24794)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [14 April 2020 10:43 UTC](https://discourse.nodered.org/t/not-getting-pictures-on-dashboard/24794 "2020-04-14T10:43:52Z")

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I've read this: Reply #2. This is what I have in the node: Ok, not the right picture, but it isn't working. This is to prove the picture exists: And this is an extract from the settings.js file: // When htt…

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## [Line Chart Series Labels](https://discourse.nodered.org/t/line-chart-series-labels/24798)

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**Author:** [@crankshaft](https://discourse.nodered.org/u/crankshaft)\
**Replies:** 3\
**Last updated:** [14 April 2020 10:31 UTC](https://discourse.nodered.org/t/line-chart-series-labels/24798 "2020-04-14T10:31:03Z")

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If I understand correctly, the series labels cannot be changed for line charts, which is making my line charts impossible to read. The reason is I have several sensors with mac addresses, however these mac addresses are…

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## [Get Events from Google Calendar with "minTime" and "maxTime"](https://discourse.nodered.org/t/get-events-from-google-calendar-with-mintime-and-maxtime/24771)

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**Author:** [@lstebe](https://discourse.nodered.org/u/lstebe)\
**Replies:** 8\
**Last updated:** [14 April 2020 10:31 UTC](https://discourse.nodered.org/t/get-events-from-google-calendar-with-mintime-and-maxtime/24771 "2020-04-14T10:31:32Z")

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Hi at all, I ran into an Issue with getting Events via the node-red-contrib-google Node. It´s all set up well so far and works, but with one twist, here's the setup: I have a global object called systime were i store …

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## [How to manage the image-output / image-tools node conflict (split topic)](https://discourse.nodered.org/t/how-to-manage-the-image-output-image-tools-node-conflict-split-topic/24122)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 15\
**Last updated:** [14 April 2020 10:27 UTC](https://discourse.nodered.org/t/how-to-manage-the-image-output-image-tools-node-conflict-split-topic/24122 "2020-04-14T10:27:01Z")

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Hey Steve, It indeeds gives conflicts because you have used in your clone the same node identifier as the original node. BTW a few months ago, @dceejay and I have been pimping the original node-red-contrib-image-outpu…

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## [I've lost everything. CONNECTION LOST TO MACHINE error - subflow connections](https://discourse.nodered.org/t/ive-lost-everything-connection-lost-to-machine-error-subflow-connections/24782)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 13\
**Last updated:** [14 April 2020 09:26 UTC](https://discourse.nodered.org/t/ive-lost-everything-connection-lost-to-machine-error-subflow-connections/24782 "2020-04-14T09:26:29Z")

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And I don't think there is any going back. I did backup the files, but alas they were in the same directory and so NODE-RED wiped the backups I made. I've lost all my sub-flows...... All my tabs (there was about 30 of…

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## [Looking for an ICON - material design or font awesome](https://discourse.nodered.org/t/looking-for-an-icon-material-design-or-font-awesome/24792)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [14 April 2020 07:46 UTC](https://discourse.nodered.org/t/looking-for-an-icon-material-design-or-font-awesome/24792 "2020-04-14T07:46:41Z")

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In all the fun of rebuilding all my flows, I am looking for an icon which could be used to indicate a button for "Video Record". A nice red R with a red circle around it would be ok/nice. But I am not having much luck…

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## [Shared Node-RED Project Across Multiple RPi's](https://discourse.nodered.org/t/shared-node-red-project-across-multiple-rpis/24765)

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**Author:** [@dudleyjosh](https://discourse.nodered.org/u/dudleyjosh)\
**Replies:** 3\
**Last updated:** [14 April 2020 07:33 UTC](https://discourse.nodered.org/t/shared-node-red-project-across-multiple-rpis/24765 "2020-04-14T07:33:53Z")

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I'm not super savvy with Git & GitHub yet (learning, slowly but surely) and I've been playing with Node-RED projects for the past few days learning how to get projects setup and linked to a GitHub repository from my vari…

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## [Mark as read email filter](https://discourse.nodered.org/t/mark-as-read-email-filter/24796)

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**Author:** [@dsl400](https://discourse.nodered.org/u/dsl400)\
**Replies:** 0\
**Last updated:** [14 April 2020 07:31 UTC](https://discourse.nodered.org/t/mark-as-read-email-filter/24796 "2020-04-14T07:31:54Z")

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Hello, any solution to filter emails from gmail or send a request to mark email as read ?

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## [Is possible to have access to more than one dashboard](https://discourse.nodered.org/t/is-possible-to-have-access-to-more-than-one-dashboard/24656)

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**Author:** [@lrodgar](https://discourse.nodered.org/u/lrodgar)\
**Replies:** 5\
**Last updated:** [14 April 2020 07:30 UTC](https://discourse.nodered.org/t/is-possible-to-have-access-to-more-than-one-dashboard/24656 "2020-04-14T07:30:01Z")

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it is possible to have two o more flows active and access them from different urls example ipnodered:1880/ui/flow1 ipnodered:1880/ui/flow2

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## [Palette, installed nodes, link to CHANGELOG.md or](https://discourse.nodered.org/t/palette-installed-nodes-link-to-changelog-md-or/24790)

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**Author:** [@hklages](https://discourse.nodered.org/u/hklages)\
**Replies:** 0\
**Last updated:** [14 April 2020 06:36 UTC](https://discourse.nodered.org/t/palette-installed-nodes-link-to-changelog-md-or/24790 "2020-04-14T06:36:39Z")

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Hi. ? Is it possible to add a button/ link to "manage palette -\> nodes -\> package name entry" pointing to either: github CHANGELOG.md node-RED library entry. github README.md in case of an available UPDATE! The inte…

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## [Measure how long your flow takes to execute](https://discourse.nodered.org/t/measure-how-long-your-flow-takes-to-execute/24719)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 7\
**Last updated:** [14 April 2020 05:01 UTC](https://discourse.nodered.org/t/measure-how-long-your-flow-takes-to-execute/24719 "2020-04-14T05:01:15Z")

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Hi, How do you measure how long it takes to execute your flow? (Understand that there are loops and other factors) But there are various ways of doing something, some take more time than others. So basically looking at…

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## [Copy local .tar file from Pi to SMB network share](https://discourse.nodered.org/t/copy-local-tar-file-from-pi-to-smb-network-share/24756)

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**Author:** [@GitHubxtsnl](https://discourse.nodered.org/u/GitHubxtsnl)\
**Replies:** 1\
**Last updated:** [14 April 2020 03:40 UTC](https://discourse.nodered.org/t/copy-local-tar-file-from-pi-to-smb-network-share/24756 "2020-04-14T03:40:59Z")

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Okay, I'e been struggling with this one for quite some time, I was unable to find a solution on this forum or on youtube or google. Please be aware I'm definitely not a programmer, I lear everything by doing, trial and e…

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## [Gateway Modbus/TCP para Ethernet/IP](https://discourse.nodered.org/t/gateway-modbus-tcp-para-ethernet-ip/24048)

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**Author:** [@Everaldo](https://discourse.nodered.org/u/Everaldo)\
**Replies:** 4\
**Last updated:** [14 April 2020 01:41 UTC](https://discourse.nodered.org/t/gateway-modbus-tcp-para-ethernet-ip/24048 "2020-04-14T01:41:33Z")

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Hi, I'm new here. I need to convert the modbus / tcp protocol to ethernet / ip. Can someone help me? Att, Everaldo

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## [Error: Modbus exception 254 on modbus-tcp](https://discourse.nodered.org/t/error-modbus-exception-254-on-modbus-tcp/24448)

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**Author:** [@kokkak](https://discourse.nodered.org/u/kokkak)\
**Replies:** 7\
**Last updated:** [14 April 2020 01:32 UTC](https://discourse.nodered.org/t/error-modbus-exception-254-on-modbus-tcp/24448 "2020-04-14T01:32:32Z")

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Hello all, i have gateway to read data from modbus device and i use modbus-tcp in node-red to read data form device. I config listener port 505 in gateway ,when i read modbus it response "Error: Modbus exception 254". …

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## [Creating and iterating through array](https://discourse.nodered.org/t/creating-and-iterating-through-array/24777)

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**Author:** [@Hunter](https://discourse.nodered.org/u/Hunter)\
**Replies:** 1\
**Last updated:** [13 April 2020 20:36 UTC](https://discourse.nodered.org/t/creating-and-iterating-through-array/24777 "2020-04-13T20:36:34Z")

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Following up my previous question regarding watchdogs; I'm figuring out a way to save this data into an array. Let's say I have these 3 devices; device\_1 device\_2 device\_3 My flow creates timestamps for these 3 de…

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## [Unexpected token D in JSON at position 0](https://discourse.nodered.org/t/unexpected-token-d-in-json-at-position-0/24680)

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**Author:** [@gschmidt](https://discourse.nodered.org/u/gschmidt)\
**Replies:** 46\
**Last updated:** [13 April 2020 20:21 UTC](https://discourse.nodered.org/t/unexpected-token-d-in-json-at-position-0/24680 "2020-04-13T20:21:47Z")

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Hi, An incoming mqtt message, which is a string: "De frietpan is aangezet!" ,returns the following error 4 times: 12-4-2020 09:29:39node: 26a592da.b81be6 msg : string\[40\] "Unexpected token D in JSON at position 0" It …

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## [How to add an attribute to a JSON array in Node-red](https://discourse.nodered.org/t/how-to-add-an-attribute-to-a-json-array-in-node-red/24769)

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**Author:** [@nedstrader](https://discourse.nodered.org/u/nedstrader)\
**Replies:** 3\
**Last updated:** [13 April 2020 19:59 UTC](https://discourse.nodered.org/t/how-to-add-an-attribute-to-a-json-array-in-node-red/24769 "2020-04-13T19:59:24Z")

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Hello, I have a flow that issues a GET http request and returns a JSON array of stock market data: Time series data of 5 minute interval candles: Datetime { 1. open, 2. high, 3. low, 4. close, 5. volume ). I can s…

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## [How to use a drop down inside a form](https://discourse.nodered.org/t/how-to-use-a-drop-down-inside-a-form/24775)

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**Author:** [@scubachristopher](https://discourse.nodered.org/u/scubachristopher)\
**Replies:** 0\
**Last updated:** [13 April 2020 19:19 UTC](https://discourse.nodered.org/t/how-to-use-a-drop-down-inside-a-form/24775 "2020-04-13T19:19:39Z")

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Hi, I have a drop-down (instruments) that is populated by a DB table. All good. I have a form with 2 fields of input: instrument and message. I'm trying to accomplish the drop-down selection populating the instrumen…

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## [Change to another output on input](https://discourse.nodered.org/t/change-to-another-output-on-input/24744)

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**Author:** [@microfix](https://discourse.nodered.org/u/microfix)\
**Replies:** 8\
**Last updated:** [13 April 2020 18:00 UTC](https://discourse.nodered.org/t/change-to-another-output-on-input/24744 "2020-04-13T18:00:29Z")

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So I'm new to all the programming. :slight\_smile: I learn a lot from reading what all you make. And thanks for that. But now i need something and is hoping that some of you can help me learn this. I need a function n…

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## [Newbie, having problem setting a coil with Modbus RTU](https://discourse.nodered.org/t/newbie-having-problem-setting-a-coil-with-modbus-rtu/24482)

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**Author:** [@Hyuggs](https://discourse.nodered.org/u/Hyuggs)\
**Replies:** 5\
**Last updated:** [13 April 2020 17:15 UTC](https://discourse.nodered.org/t/newbie-having-problem-setting-a-coil-with-modbus-rtu/24482 "2020-04-13T17:15:00Z")

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Hello, I'm trying to write a single coil on a modbus RTU relay board (RS485). I'm using Modbus-contrib-serial Library. I'm able to read value from another board on the same bus using Modbus serial In I'm able to set …

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## [Watchdog for 'last seen'](https://discourse.nodered.org/t/watchdog-for-last-seen/24764)

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**Author:** [@Hunter](https://discourse.nodered.org/u/Hunter)\
**Replies:** 2\
**Last updated:** [13 April 2020 16:20 UTC](https://discourse.nodered.org/t/watchdog-for-last-seen/24764 "2020-04-13T16:20:43Z")

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Hello all, I'm using a Ardeunis device which only sends data if any of the monitoring ports have changed and at least one 'Keep Alive Frame' every 24 hours so I can be sure the device is still alive. What would you rec…

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## [Hi! i have a question?](https://discourse.nodered.org/t/hi-i-have-a-question/24768)

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**Author:** [@henriki](https://discourse.nodered.org/u/henriki)\
**Replies:** 1\
**Last updated:** [13 April 2020 15:31 UTC](https://discourse.nodered.org/t/hi-i-have-a-question/24768 "2020-04-13T15:31:01Z")

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Is it possible to create multible dashboards. i cant find enywhere

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## [Flat text from msg.payload](https://discourse.nodered.org/t/flat-text-from-msg-payload/24759)

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**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 3\
**Last updated:** [13 April 2020 14:59 UTC](https://discourse.nodered.org/t/flat-text-from-msg-payload/24759 "2020-04-13T14:59:35Z")

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I would like to log different data that is send and received This sometimes contains arrays. Is it possible to convert everything to flat text? So that the whole lines comes like text in my log file. Now i get \[objec…

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## [Refresh text values only when using Dashboard](https://discourse.nodered.org/t/refresh-text-values-only-when-using-dashboard/24748)

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**Author:** [@brammh](https://discourse.nodered.org/u/brammh)\
**Replies:** 3\
**Last updated:** [13 April 2020 14:02 UTC](https://discourse.nodered.org/t/refresh-text-values-only-when-using-dashboard/24748 "2020-04-13T14:02:41Z")

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Hi, I'm updating multiple (text) values in my Node-Red dashboard, which I GET from a local web-server. I update this by simply polling every 2 seconds and update the new value into my ui\_text node (it's very dynamic dat…

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## [Cant get array buffer refrence to work... Help please?](https://discourse.nodered.org/t/cant-get-array-buffer-refrence-to-work-help-please/24674)

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**Author:** [@Dyslexicbloke](https://discourse.nodered.org/u/Dyslexicbloke)\
**Replies:** 23\
**Last updated:** [13 April 2020 12:31 UTC](https://discourse.nodered.org/t/cant-get-array-buffer-refrence-to-work-help-please/24674 "2020-04-13T12:31:06Z")

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Hi folks, very new to this, Node-Red and JavaScript, but I have been programming, one way or another, for years. I am trying to build a function node to process Modbus input to get, optionally, Uint or Float/Real from …

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## [TCP input convert](https://discourse.nodered.org/t/tcp-input-convert/24612)

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**Author:** [@Fulltopuk](https://discourse.nodered.org/u/Fulltopuk)\
**Replies:** 2\
**Last updated:** [13 April 2020 12:01 UTC](https://discourse.nodered.org/t/tcp-input-convert/24612 "2020-04-13T12:01:01Z")

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Hi All I am trying to get my head around Nodered syntax but I am not yet understanding most of how things work. :frowning\_face: I have a light system which communicates over RS232 and I 'listen' to it over LAN via a T…

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## [Output weather alert array information to HA Persistent Notification](https://discourse.nodered.org/t/output-weather-alert-array-information-to-ha-persistent-notification/24745)

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**Author:** [@techdesk](https://discourse.nodered.org/u/techdesk)\
**Replies:** 0\
**Last updated:** [13 April 2020 11:31 UTC](https://discourse.nodered.org/t/output-weather-alert-array-information-to-ha-persistent-notification/24745 "2020-04-13T11:31:12Z")

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I have a weather alert sensor (https://github.com/custom-components/weatheralerts) which provide alert information from the NWS (National Weather Service) for the county where we live. The sensor works like it should, b…

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