# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1367

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

**Page:** 1368

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## [Restaurar configurações default node red](https://discourse.nodered.org/t/restaurar-configuracoes-default-node-red/2876)

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**Author:** [@engmarcio](https://discourse.nodered.org/u/engmarcio)\
**Replies:** 0\
**Last updated:** [5 September 2018 12:38 UTC](https://discourse.nodered.org/t/restaurar-configuracoes-default-node-red/2876 "2018-09-05T12:38:41Z")

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bom dia ! preciso de uma ajuda para restaurar para default o node-red sumiu o arduino firmata da barra lateral eu preciso que ele reestart como se fosse a primeira execução com as funções originais do software. obrig…

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## [Looking for blocking function](https://discourse.nodered.org/t/looking-for-blocking-function/2872)

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**Author:** [@Foukk](https://discourse.nodered.org/u/Foukk)\
**Replies:** 1\
**Last updated:** [5 September 2018 10:41 UTC](https://discourse.nodered.org/t/looking-for-blocking-function/2872 "2018-09-05T10:41:31Z")

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hi, i need function that stops messages from one source, if recive message form another source. this message can be "stopblockig" and "startblocking".

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## [\[PR Discussion\]Debug default node label text](https://discourse.nodered.org/t/pr-discussion-debug-default-node-label-text/1476)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 44\
**Last updated:** [5 September 2018 09:14 UTC](https://discourse.nodered.org/t/pr-discussion-debug-default-node-label-text/1476 "2018-09-05T09:14:49Z")

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Summary: If no name defined on debug node and only node status is selected - default the node label to "status" Why: I use a lot of debug nodes when developing with some set to debug window and some set to status. Bu…

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## [Where are the NodeRED core files on a Pi?](https://discourse.nodered.org/t/where-are-the-nodered-core-files-on-a-pi/2826)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 11\
**Last updated:** [5 September 2018 08:27 UTC](https://discourse.nodered.org/t/where-are-the-nodered-core-files-on-a-pi/2826 "2018-09-05T08:27:56Z")

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I have a separate Node-RED github download install that I mess around in when trying things out before issuing pull-requests which works fine But I can't seem to find where the equivalent files are for the standard Node…

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## [Add a nod sur Putty](https://discourse.nodered.org/t/add-a-nod-sur-putty/2862)

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**Author:** [@jmgos](https://discourse.nodered.org/u/jmgos)\
**Replies:** 1\
**Last updated:** [5 September 2018 07:56 UTC](https://discourse.nodered.org/t/add-a-nod-sur-putty/2862 "2018-09-05T07:56:07Z")

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bonjour, Sur la Multiconnect LORA et jusqu’à la version 1.33 ,je rajoutais mes capteurs LORA par la commande sur Putty : lora-query --node-add devAddr Class AppEUI DevEUI AppKey J’ai updaté le firmware à 1.4.17 et mai…

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## [Raspi 3 Outputs in Ascending or Descending Order](https://discourse.nodered.org/t/raspi-3-outputs-in-ascending-or-descending-order/2844)

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**Author:** [@strickb](https://discourse.nodered.org/u/strickb)\
**Replies:** 5\
**Last updated:** [5 September 2018 07:47 UTC](https://discourse.nodered.org/t/raspi-3-outputs-in-ascending-or-descending-order/2844 "2018-09-05T07:47:46Z")

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I would like to control three Raspi Outputs based on an Upper and Lower Value. Upper Value is 100. If value is above 100 turn on first output, if still above 100 after 10 seconds turn on second output and if still above …

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## [Troubleshooting nodes - where to go?](https://discourse.nodered.org/t/troubleshooting-nodes-where-to-go/2823)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 11\
**Last updated:** [5 September 2018 00:26 UTC](https://discourse.nodered.org/t/troubleshooting-nodes-where-to-go/2823 "2018-09-05T00:26:19Z")

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Guys, Very strange one here. I am running the latest Node-red on Ubuntu 16.04. NPM is 6.2 I have a flow that sits in the background and pulls down the weather from Darksky - it is a direct cut and paste of one that P…

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## [Monitor if kids are using their smart device?](https://discourse.nodered.org/t/monitor-if-kids-are-using-their-smart-device/2720)

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**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 23\
**Last updated:** [4 September 2018 21:11 UTC](https://discourse.nodered.org/t/monitor-if-kids-are-using-their-smart-device/2720 "2018-09-04T21:11:26Z")

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Hi all Maybe a long shot - but the Mrs asked me the other day if it was possible or not.. Seeing as we limit screen time for our kids, they sometime find a window of opportunity to pick up their device and start to sur…

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## [Get specific data from mqtt message](https://discourse.nodered.org/t/get-specific-data-from-mqtt-message/2851)

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**Author:** [@steffok](https://discourse.nodered.org/u/steffok)\
**Replies:** 2\
**Last updated:** [4 September 2018 20:44 UTC](https://discourse.nodered.org/t/get-specific-data-from-mqtt-message/2851 "2018-09-04T20:44:34Z")

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Im struggling a bit with the piece of code below. The var msg1 and msg2 part is what i´ve added but it´s not working atm What I want to achieve is when a MQTT message/object conains a topic with PM10 or PM2.5 then retri…

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## [Windows 8.1 node-red-contrib-machine-learning](https://discourse.nodered.org/t/windows-8-1-node-red-contrib-machine-learning/2827)

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**Author:** [@digital.learner](https://discourse.nodered.org/u/digital.learner)\
**Replies:** 7\
**Last updated:** [4 September 2018 19:16 UTC](https://discourse.nodered.org/t/windows-8-1-node-red-contrib-machine-learning/2827 "2018-09-04T19:16:38Z")

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Hello, I am trying to use node red machine learning package (node-red-contrib-machine-learning) on windows 8.1. I could not make it work. I have checked few posts regarding issues running this package on windows. Is the…

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## [Raspberry Pi Install Not Restarting After Installing From Manage Pallet](https://discourse.nodered.org/t/raspberry-pi-install-not-restarting-after-installing-from-manage-pallet/2835)

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**Author:** [@Patrick](https://discourse.nodered.org/u/Patrick)\
**Replies:** 21\
**Last updated:** [4 September 2018 17:06 UTC](https://discourse.nodered.org/t/raspberry-pi-install-not-restarting-after-installing-from-manage-pallet/2835 "2018-09-04T17:06:48Z")

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Hi, I have Rasbian Stretch Lite set up in read only mode and installed NodeRED with the script (as per the website). Using manage pallet to install the dashboard works fine. But after a reboot NodeRED does not start. s…

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## [Split stream into multiple values](https://discourse.nodered.org/t/split-stream-into-multiple-values/2700)

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**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\
**Replies:** 12\
**Last updated:** [4 September 2018 16:14 UTC](https://discourse.nodered.org/t/split-stream-into-multiple-values/2700 "2018-09-04T16:14:04Z")

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I found a very similar topic by doing a search, but did not know how to become part of that conversation. "Node-RED ›" "How to split string, multiple values inside string to separate output." In that conversation Nick…

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## [How set the output variable "{{msg.payload}}" in JS?!](https://discourse.nodered.org/t/how-set-the-output-variable-msg-payload-in-js/657)

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**Author:** [@imadouino](https://discourse.nodered.org/u/imadouino)\
**Replies:** 27\
**Last updated:** [4 September 2018 15:40 UTC](https://discourse.nodered.org/t/how-set-the-output-variable-msg-payload-in-js/657 "2018-09-04T15:40:39Z")

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that’s my flow. \[1\] my function return a array 2D \[2\] ad you see in my debug i can to show it. \[3\] but i can’t set the variable in script js!!?? \[4\] \[5\] How i can do that!!! Thank you fooor your hellp !!

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## [Timing of events and notification if something doesn't happen](https://discourse.nodered.org/t/timing-of-events-and-notification-if-something-doesnt-happen/2790)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 17\
**Last updated:** [4 September 2018 08:53 UTC](https://discourse.nodered.org/t/timing-of-events-and-notification-if-something-doesnt-happen/2790 "2018-09-04T08:53:26Z")

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Before you read any further: Sorry. This is not entirely thought through on how to describe it. But I am trying to get my head around how to do this little thing: Machine comes online. Tick. Got that. Done with…

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## [TCP request re-use](https://discourse.nodered.org/t/tcp-request-re-use/2825)

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**Author:** [@Kallb123](https://discourse.nodered.org/u/Kallb123)\
**Replies:** 3\
**Last updated:** [4 September 2018 08:29 UTC](https://discourse.nodered.org/t/tcp-request-re-use/2825 "2018-09-04T08:29:58Z")

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I have a device I want to query with a specific sequence of commands. I have used the TCP request node, which sends the first message fine. I can see the message go out in Wireshark and get an acknowledgment. The acknowl…

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## [Fix broken Pi install](https://discourse.nodered.org/t/fix-broken-pi-install/2822)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 5\
**Last updated:** [4 September 2018 08:01 UTC](https://discourse.nodered.org/t/fix-broken-pi-install/2822 "2018-09-04T08:01:53Z")

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OK - I'm normally on other end of such problems but I'm sitting here stumped as to where to start with this one! I had a Pi3 connected to Neopixel cube, programmed with Node-RED and decided to take it to a Raspberry Ja…

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## [Reading csv file](https://discourse.nodered.org/t/reading-csv-file/2687)

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**Author:** [@andy\_karl](https://discourse.nodered.org/u/andy_karl)\
**Replies:** 16\
**Last updated:** [4 September 2018 06:22 UTC](https://discourse.nodered.org/t/reading-csv-file/2687 "2018-09-04T06:22:15Z")

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Hi everyone I'm trying to get my heatpump logging into my smarthome. Have set up Node-red up and running. My heatpump loggings are accessable over http in my local network. The file is generated everyday and has this p…

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## [Issue with microphone](https://discourse.nodered.org/t/issue-with-microphone/2813)

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**Author:** [@mshaz](https://discourse.nodered.org/u/mshaz)\
**Replies:** 1\
**Last updated:** [4 September 2018 00:08 UTC](https://discourse.nodered.org/t/issue-with-microphone/2813 "2018-09-04T00:08:40Z")

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Hi I tested the flow individually it was working but when i connect to mic it has this problem.

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## [Execute Arduino from exec node](https://discourse.nodered.org/t/execute-arduino-from-exec-node/2772)

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**Author:** [@tmwai](https://discourse.nodered.org/u/tmwai)\
**Replies:** 3\
**Last updated:** [3 September 2018 19:23 UTC](https://discourse.nodered.org/t/execute-arduino-from-exec-node/2772 "2018-09-03T19:23:50Z")

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Hi there, I am trying to call the arduino cli (ps now they support) from exec node in Window 10. I got code 0 and access denied error. How can I solve it? please. PS. For arduino, I use arduino by downloading compresse…

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## [Raspbian install script vs. "add software" for node-red?](https://discourse.nodered.org/t/raspbian-install-script-vs-add-software-for-node-red/2807)

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**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 4\
**Last updated:** [3 September 2018 16:29 UTC](https://discourse.nodered.org/t/raspbian-install-script-vs-add-software-for-node-red/2807 "2018-09-03T16:29:38Z")

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The recent thread about installation problems on a Pi3 has motivated me be ask about this. I recently setup a PiZero-W using the full gui image. I find it easier to set things up initially with the gui and a KVM, and a…

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## [Dispay Json array in Table in Dashboard](https://discourse.nodered.org/t/dispay-json-array-in-table-in-dashboard/2805)

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**Author:** [@88bit](https://discourse.nodered.org/u/88bit)\
**Replies:** 3\
**Last updated:** [3 September 2018 16:04 UTC](https://discourse.nodered.org/t/dispay-json-array-in-table-in-dashboard/2805 "2018-09-03T16:04:41Z")

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Hi I have some data which I get from a Influx database and I'm trying to get this data into a table in my dashboard. I have difficulty to do that any help would be appreciated.

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## [Dashboard UI\_numeric](https://discourse.nodered.org/t/dashboard-ui-numeric/2808)

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**Author:** [@ZaragonArt](https://discourse.nodered.org/u/ZaragonArt)\
**Replies:** 0\
**Last updated:** [3 September 2018 15:15 UTC](https://discourse.nodered.org/t/dashboard-ui-numeric/2808 "2018-09-03T15:15:59Z")

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In version 2.8.2 of the dashboard I was able to use the numeric widget as an interface for setting time by using an angular filter in the value field. The configuration was: \[{"id":"a3de2378.76249","type":"ui\_numeric…

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## [Import an existing project with its git history](https://discourse.nodered.org/t/import-an-existing-project-with-its-git-history/2797)

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**Author:** [@bebR](https://discourse.nodered.org/u/bebR)\
**Replies:** 3\
**Last updated:** [3 September 2018 12:51 UTC](https://discourse.nodered.org/t/import-an-existing-project-with-its-git-history/2797 "2018-09-03T12:51:23Z")

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Hi, I started to use Node-RED a few weeks ago. Actually, this was just to test and see if I can use it for a home security system. As usual, I created a git repository from the node-red folder and made commits. Now tha…

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## [What msg property naming scheme to use?](https://discourse.nodered.org/t/what-msg-property-naming-scheme-to-use/2764)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 9\
**Last updated:** [3 September 2018 12:29 UTC](https://discourse.nodered.org/t/what-msg-property-naming-scheme-to-use/2764 "2018-09-03T12:29:38Z")

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Is there a consensus/recommendation on how to assign names to msg property values for contrib or shared function nodes? My present dilemma is that I have developed a colour name conversion node that takes in a colour na…

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## [Advice please on best way to attack this](https://discourse.nodered.org/t/advice-please-on-best-way-to-attack-this/2719)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 18\
**Last updated:** [3 September 2018 09:50 UTC](https://discourse.nodered.org/t/advice-please-on-best-way-to-attack-this/2719 "2018-09-03T09:50:03Z")

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Guys, I have a value being sent across by MQTT (actually a string but then i convert it to an Int) - the number is a binary representation of the state of pins on a Arduino - each of the pins represents a state for a de…

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## [And again more confustion about error handling](https://discourse.nodered.org/t/and-again-more-confustion-about-error-handling/2759)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 16\
**Last updated:** [2 September 2018 14:04 UTC](https://discourse.nodered.org/t/and-again-more-confustion-about-error-handling/2759 "2018-09-02T14:04:50Z")

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Ok, at the beginning I was silly. I didn't get all the quirks with MQTT and msg.error. I think I have moved forward from there but "it" still doesn't seem to be working. Though the long way, I'll start with knowns and…

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## [Font Awesom Icon stacking](https://discourse.nodered.org/t/font-awesom-icon-stacking/2796)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [3 September 2018 09:36 UTC](https://discourse.nodered.org/t/font-awesom-icon-stacking/2796 "2018-09-03T09:36:38Z")

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Well, dashboard...... I am wanting to try and stack some of the icons. I have looked at the page where they show you how to do it, but it isn't for Node-Red - to my knowledge. This is what they show: \<span class="fa-…

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## [Node-red-node-mongodb](https://discourse.nodered.org/t/node-red-node-mongodb/2793)

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**Author:** [@pelis](https://discourse.nodered.org/u/pelis)\
**Replies:** 0\
**Last updated:** [3 September 2018 06:26 UTC](https://discourse.nodered.org/t/node-red-node-mongodb/2793 "2018-09-03T06:26:45Z")

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It would be great to have an output on the out-node, similar to mongodb2. So you would know success/error conditions and could link it to successors such as 'batcher'. Cheers Peter

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## [Suggested Approach please](https://discourse.nodered.org/t/suggested-approach-please/2682)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 7\
**Last updated:** [2 September 2018 23:45 UTC](https://discourse.nodered.org/t/suggested-approach-please/2682 "2018-09-02T23:45:33Z")

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Guys, I have an MQTT message that comes in from a Arduino to my Node-red. This String when received is essentially a binary representation of the state of output pins on the Arduino - so i might see a value like 176, 160…

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## [Change node enhancements](https://discourse.nodered.org/t/change-node-enhancements/2762)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 5\
**Last updated:** [2 September 2018 23:02 UTC](https://discourse.nodered.org/t/change-node-enhancements/2762 "2018-09-02T23:02:58Z")

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The change node has become the tool I often reach for instead of the function node, but it has a few limitations that seem arbitrary. First, it can read and write the flow and global contexts but not the local context. …

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