# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1354

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

**Page:** 1355

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## [How to define trigger time value programmatically](https://discourse.nodered.org/t/how-to-define-trigger-time-value-programmatically/3838)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 6\
**Last updated:** [19 October 2018 06:07 UTC](https://discourse.nodered.org/t/how-to-define-trigger-time-value-programmatically/3838 "2018-10-19T06:07:34Z")

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I have an electric blanket, controlled by a simple RF socket switch (rfx-PT2262). Using the switch node, I can match "msg.bri==1" to a trigger set to 1 hour, and "msg.bri==2" to a trigger set to 2 hours, etc. This way I…

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## [Correct Filename to load from remote share drive](https://discourse.nodered.org/t/correct-filename-to-load-from-remote-share-drive/4047)

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**Author:** [@xx\_Nexus\_xx](https://discourse.nodered.org/u/xx_Nexus_xx)\
**Replies:** 8\
**Last updated:** [18 October 2018 22:53 UTC](https://discourse.nodered.org/t/correct-filename-to-load-from-remote-share-drive/4047 "2018-10-18T22:53:51Z")

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Hi , I'm using motionEye to capture motion events and to store the evidence as jpg and mp4. I'm able to transfer the filename (\\\\192.168.1.173/share/camera1/LastMotion.mp4) to Node-Red. This filename works when used in …

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## [Event for node paste/import](https://discourse.nodered.org/t/event-for-node-paste-import/3644)

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**Author:** [@uma](https://discourse.nodered.org/u/uma)\
**Replies:** 3\
**Last updated:** [18 October 2018 22:20 UTC](https://discourse.nodered.org/t/event-for-node-paste-import/3644 "2018-10-18T22:20:07Z")

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Hi Is there an event I can listen on to be notified when a node is copy/pasted or imported? I am looking for something similar to node.on("close", function (){... Something like node.on("paste", function (){... I have…

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## [How to access a lookup table from \`\`\`Function\`\`\` Node](https://discourse.nodered.org/t/how-to-access-a-lookup-table-from-function-node/4063)

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**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\
**Replies:** 11\
**Last updated:** [18 October 2018 19:44 UTC](https://discourse.nodered.org/t/how-to-access-a-lookup-table-from-function-node/4063 "2018-10-18T19:44:40Z")

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I am wondering where to begin if I want to access a lookup table on my computer (example .csv) that would have two columns and I could match up a know variable passing through a function node on the payload and assign a …

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## [Version control](https://discourse.nodered.org/t/version-control/1115)

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**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 4\
**Last updated:** [18 October 2018 19:05 UTC](https://discourse.nodered.org/t/version-control/1115 "2018-10-18T19:05:13Z")

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Is version control possible with node-red? I dont like creating too many files and copy-paste my flows in them , or having too many json files its a mess.

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## [Chromium driving me nuts](https://discourse.nodered.org/t/chromium-driving-me-nuts/4096)

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**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\
**Replies:** 0\
**Last updated:** [18 October 2018 18:02 UTC](https://discourse.nodered.org/t/chromium-driving-me-nuts/4096 "2018-10-18T18:02:15Z")

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I have installed Stretch on my rPi3 recently however I continue to have a long term annoying challenge with Chromium, just as I did with Jessie (pretty much since I got this Pi 2 yrs ago). I do see many others with the …

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## [NR and Dashboard Passwords](https://discourse.nodered.org/t/nr-and-dashboard-passwords/3185)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 3\
**Last updated:** [18 October 2018 13:49 UTC](https://discourse.nodered.org/t/nr-and-dashboard-passwords/3185 "2018-10-18T13:49:49Z")

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Something just occurred to me. Clearly I know how to go into code and generate passwords for users.. but normally a user or admin can change their own password without getting technical - I don't see how to do this in NR…

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## [Modbus negative numbers](https://discourse.nodered.org/t/modbus-negative-numbers/4074)

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**Author:** [@RickW](https://discourse.nodered.org/u/RickW)\
**Replies:** 6\
**Last updated:** [18 October 2018 09:30 UTC](https://discourse.nodered.org/t/modbus-negative-numbers/4074 "2018-10-18T09:30:19Z")

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I need some help please to get Modbus numbers reading correctly when they go negative. When the output from my modbus device goes negative it adds 65535 to the number. I have tried various settings in a few different M…

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## [Parsing varying attributes from an MQTT stream](https://discourse.nodered.org/t/parsing-varying-attributes-from-an-mqtt-stream/4066)

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**Author:** [@jgaudu](https://discourse.nodered.org/u/jgaudu)\
**Replies:** 2\
**Last updated:** [18 October 2018 01:48 UTC](https://discourse.nodered.org/t/parsing-varying-attributes-from-an-mqtt-stream/4066 "2018-10-18T01:48:19Z")

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Hello all, New guy here. Thanks in advance for any help you can offer. I'm trying to ingest an MQTT stream and extract / remap some of the values. I've only used msg.payload.split but can't quite get the formatting rig…

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## [Node-red Crashing- Could it be node-red-contrib-cast](https://discourse.nodered.org/t/node-red-crashing-could-it-be-node-red-contrib-cast/4014)

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**Author:** [@Unpuertomex](https://discourse.nodered.org/u/Unpuertomex)\
**Replies:** 7\
**Last updated:** [18 October 2018 01:21 UTC](https://discourse.nodered.org/t/node-red-crashing-could-it-be-node-red-contrib-cast/4014 "2018-10-18T01:21:42Z")

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Hi, for the last several days node-red has been crashing throughout the day. I have not updated any node nor am I showing any nodes need to be updated. below is the log that shows when I start node-red up until it crashe…

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## [Show/Hide node palette](https://discourse.nodered.org/t/show-hide-node-palette/3956)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 8\
**Last updated:** [17 October 2018 18:23 UTC](https://discourse.nodered.org/t/show-hide-node-palette/3956 "2018-10-17T18:23:13Z")

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We have the ability to turn on/off (hide) the sidebar but not the palette - this seems inconsistent. It would be really helpful, when working on more limited screens, to be able to turn off the palette since there are p…

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## [Help with runtime-API!](https://discourse.nodered.org/t/help-with-runtime-api/147)

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**Author:** [@selo](https://discourse.nodered.org/u/selo)\
**Replies:** 9\
**Last updated:** [17 October 2018 14:09 UTC](https://discourse.nodered.org/t/help-with-runtime-api/147 "2018-10-17T14:09:00Z")

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Hello everyone, I have embedded nodered. I’m working with the runtime-api. I can launch the runtime and a flow. The flow is: \[inject-\> function (n + n) -\> debug\] (mm, yes, this is why I do not work at NASA ;-)) I get…

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## [Node-red stuck on while loop in function node](https://discourse.nodered.org/t/node-red-stuck-on-while-loop-in-function-node/2077)

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**Author:** [@RingoAl](https://discourse.nodered.org/u/RingoAl)\
**Replies:** 10\
**Last updated:** [17 October 2018 13:02 UTC](https://discourse.nodered.org/t/node-red-stuck-on-while-loop-in-function-node/2077 "2018-10-17T13:02:58Z")

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Hello. I've such test flow for async actions in function node: Function code is: var success=0; node.send(\[{"payload":1},null\]); do { success=flow.get("success"); } while (!success) retu…

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## [Msg root to file](https://discourse.nodered.org/t/msg-root-to-file/3943)

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**Author:** [@injector22](https://discourse.nodered.org/u/injector22)\
**Replies:** 10\
**Last updated:** [17 October 2018 12:23 UTC](https://discourse.nodered.org/t/msg-root-to-file/3943 "2018-10-17T12:23:39Z")

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I'm using the Azure IoT hub palette to resgister a device which responds with a key. This key I'm trying to save into a file but the Azure node responds back with msg and not msg.payload so the file node is not catching …

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## [PR - Show startup messages when logging level above \[info\]](https://discourse.nodered.org/t/pr-show-startup-messages-when-logging-level-above-info/4050)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 0\
**Last updated:** [17 October 2018 09:55 UTC](https://discourse.nodered.org/t/pr-show-startup-messages-when-logging-level-above-info/4050 "2018-10-17T09:55:21Z")

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When you startup Node-RED it displays a lot of great info about the system but it does it with the \[info\] tag. This is all well and good, but several nodes (the mqtt nodes for example) spit out \[info\] messages too which …

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## [Help please with directing string arrays to different dashboard elements](https://discourse.nodered.org/t/help-please-with-directing-string-arrays-to-different-dashboard-elements/4006)

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**Author:** [@cliffpza](https://discourse.nodered.org/u/cliffpza)\
**Replies:** 11\
**Last updated:** [17 October 2018 09:45 UTC](https://discourse.nodered.org/t/help-please-with-directing-string-arrays-to-different-dashboard-elements/4006 "2018-10-17T09:45:09Z")

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I am getting data from an electricity current meter where the amps values are coming in as msg.payload: string\[7\] and kwh as msg.payload: string\[6\] the data comes in as one stream of data from my arduino alternating be…

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## [Removing nodes, but still showing as used in Palette](https://discourse.nodered.org/t/removing-nodes-but-still-showing-as-used-in-palette/4037)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 2\
**Last updated:** [16 October 2018 21:23 UTC](https://discourse.nodered.org/t/removing-nodes-but-still-showing-as-used-in-palette/4037 "2018-10-16T21:23:43Z")

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I'm getting some strange / unpredictable behaviours using node-red-contrib-nest. I may be hitting up against Nest API limits, but thanks to the amazing lack of API quota information in the Nest documentation and in my de…

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## [Trying to set msg.payload.target\_temperature\_c](https://discourse.nodered.org/t/trying-to-set-msg-payload-target-temperature-c/4013)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 7\
**Last updated:** [16 October 2018 19:37 UTC](https://discourse.nodered.org/t/trying-to-set-msg-payload-target-temperature-c/4013 "2018-10-16T19:37:13Z")

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This is clearly a problem with my understanding, but I'm stumped! I'm basically following the example in this node red documentation page, bottom of the section "Changing message properties", except I'm injecting a nume…

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## [How to fill/change form element (checkbox, text,..)](https://discourse.nodered.org/t/how-to-fill-change-form-element-checkbox-text/4033)

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**Author:** [@Bambulko](https://discourse.nodered.org/u/Bambulko)\
**Replies:** 0\
**Last updated:** [16 October 2018 15:52 UTC](https://discourse.nodered.org/t/how-to-fill-change-form-element-checkbox-text/4033 "2018-10-16T15:52:44Z")

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hi I want to view the form, but I want to preset the checkbox states from the database or the read inputs. it is possible?

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## [Not getting msg from function node](https://discourse.nodered.org/t/not-getting-msg-from-function-node/4029)

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**Author:** [@injector22](https://discourse.nodered.org/u/injector22)\
**Replies:** 2\
**Last updated:** [16 October 2018 14:20 UTC](https://discourse.nodered.org/t/not-getting-msg-from-function-node/4029 "2018-10-16T14:20:17Z")

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I'm new to node so I'm pretty sure I'm doing something wrong. I'm trying to take the error, status, or deviceinfo based on what is returned by the create function. If I log them to the console they return fine, but when …

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## [Search/Regex node to retrieve data from error list](https://discourse.nodered.org/t/search-regex-node-to-retrieve-data-from-error-list/4025)

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**Author:** [@Digits](https://discourse.nodered.org/u/Digits)\
**Replies:** 1\
**Last updated:** [16 October 2018 13:50 UTC](https://discourse.nodered.org/t/search-regex-node-to-retrieve-data-from-error-list/4025 "2018-10-16T13:50:10Z")

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Hi Everyone I am new to node red and just need some direction, I have allot of instrumentation on allot of trucks and allot of sites. but they do breakdown and it then spits out a 4 digit error code. I want the driver t…

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## [Working with Array of Strings](https://discourse.nodered.org/t/working-with-array-of-strings/4028)

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**Author:** [@ev.heys](https://discourse.nodered.org/u/ev.heys)\
**Replies:** 4\
**Last updated:** [16 October 2018 11:54 UTC](https://discourse.nodered.org/t/working-with-array-of-strings/4028 "2018-10-16T11:54:32Z")

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Hi, I'm trying to write an HTML site that will loop through images from a list of urls. Currently I have it set up that the file list (filenames.txt) is imported from my dropbox (I am running my instance on IBM so I don…

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## [Parse error - insert into MySQL](https://discourse.nodered.org/t/parse-error-insert-into-mysql/4027)

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**Author:** [@jaguar](https://discourse.nodered.org/u/jaguar)\
**Replies:** 3\
**Last updated:** [16 October 2018 08:58 UTC](https://discourse.nodered.org/t/parse-error-insert-into-mysql/4027 "2018-10-16T08:58:04Z")

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Hi All, I read somewhere that the MySQL connector may not be able to process a multiple column insert into MySQL and would appreciate confirmation if that is the case. I have an incoming string comprised of around 35 va…

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## [Connect sensor with azure iot hub](https://discourse.nodered.org/t/connect-sensor-with-azure-iot-hub/3909)

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**Author:** [@manal](https://discourse.nodered.org/u/manal)\
**Replies:** 9\
**Last updated:** [16 October 2018 02:02 UTC](https://discourse.nodered.org/t/connect-sensor-with-azure-iot-hub/3909 "2018-10-16T02:02:20Z")

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hi all, I am trying to connect rpi ds18b20 with azure iot hub, but the iot hub is disconnected all the time even I entered the host name. here, I am trying with real sensor , it is not simulated. could you help me to k…

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## [Countdown Gauge/Bar ? anyone know of one?](https://discourse.nodered.org/t/countdown-gauge-bar-anyone-know-of-one/4011)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 3\
**Last updated:** [15 October 2018 22:41 UTC](https://discourse.nodered.org/t/countdown-gauge-bar-anyone-know-of-one/4011 "2018-10-15T22:41:37Z")

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Guys, I want to create a Status page on my NR dashboard that will keep track of all my different sensors, devices etc and alert me visually if one has not checked in for a period (and also provide a visual indication of…

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## [Installed node names in exported flow and info panel](https://discourse.nodered.org/t/installed-node-names-in-exported-flow-and-info-panel/3925)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 30\
**Last updated:** [15 October 2018 20:52 UTC](https://discourse.nodered.org/t/installed-node-names-in-exported-flow-and-info-panel/3925 "2018-10-15T20:52:00Z")

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It would often be helpful when attempting to offer support for users if an exported flow included the name of the installed node for each node in the flow (node-red-contrib-whatever for example). Maybe this is not even …

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## [Exec node question](https://discourse.nodered.org/t/exec-node-question/3992)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 18\
**Last updated:** [15 October 2018 20:13 UTC](https://discourse.nodered.org/t/exec-node-question/3992 "2018-10-15T20:13:43Z")

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In Node Red I can start something running using exec node..spawn mode gives correct pid... but... I want to kill the running program via its PID. I can see the PID number in the status but nothing seems to come out of a…

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## [New and no glue @ and-gate node](https://discourse.nodered.org/t/new-and-no-glue-and-gate-node/4003)

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**Author:** [@k0nti](https://discourse.nodered.org/u/k0nti)\
**Replies:** 0\
**Last updated:** [15 October 2018 18:33 UTC](https://discourse.nodered.org/t/new-and-no-glue-and-gate-node/4003 "2018-10-15T18:33:39Z")

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Hi Guys, My Project is home Automation with Openhab and Node Red as rule engine. I'm trying to get an simple and logic working.and have my Problems :thinking: Here is my first flow - I think i don't understand not the…

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## [Watchdog to restart NR](https://discourse.nodered.org/t/watchdog-to-restart-nr/3983)

<div class="topic-metadata">

**Author:** [@krambriw](https://discourse.nodered.org/u/krambriw)\
**Replies:** 5\
**Last updated:** [15 October 2018 16:31 UTC](https://discourse.nodered.org/t/watchdog-to-restart-nr/3983 "2018-10-15T16:31:47Z")

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I have below a simplified flow for monitoring that certain messages, filtered out by the Switch Node, are continuously received from a specific equipment (hw connected via serial port in another flow but the same NR). M…

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## [I am a new user of node red, i need help](https://discourse.nodered.org/t/i-am-a-new-user-of-node-red-i-need-help/3876)

<div class="topic-metadata">

**Author:** [@Jlearning](https://discourse.nodered.org/u/Jlearning)\
**Replies:** 24\
**Last updated:** [15 October 2018 10:11 UTC](https://discourse.nodered.org/t/i-am-a-new-user-of-node-red-i-need-help/3876 "2018-10-15T10:11:07Z")

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i am working on a project that need to control a device via ble uart. i am using generic ble nodes on node red. my flow is as follows: timestamp -\> function where i send the buffer as msg.payload -\> generic-ble -\> debug…

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