# Latest

**URL:** https://discourse.nodered.org/latest.md?page=851

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

**Page:** 852

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## [Table reset when change page](https://discourse.nodered.org/t/table-reset-when-change-page/43285)

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**Author:** [@simonecrevatin](https://discourse.nodered.org/u/simonecrevatin)\
**Replies:** 0\
**Last updated:** [27 March 2021 14:51 UTC](https://discourse.nodered.org/t/table-reset-when-change-page/43285 "2021-03-27T14:51:44Z")

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why does the table reset when I change the page in the dashboard?

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## [Nodered can't turn on/off digital pin](https://discourse.nodered.org/t/nodered-cant-turn-on-off-digital-pin/43276)

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**Author:** [@faprile](https://discourse.nodered.org/u/faprile)\
**Replies:** 2\
**Last updated:** [27 March 2021 13:47 UTC](https://discourse.nodered.org/t/nodered-cant-turn-on-off-digital-pin/43276 "2021-03-27T13:47:38Z")

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Hello, I have installed nodered whit the script. I'm trying to run my firs flow, i read this guide https://projects.raspberrypi.org/en/projects/getting-started-with-node-red. I can't tur on or off my led, it's always …

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## [Ui\_table problem with row](https://discourse.nodered.org/t/ui-table-problem-with-row/43268)

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**Author:** [@simonecrevatin](https://discourse.nodered.org/u/simonecrevatin)\
**Replies:** 5\
**Last updated:** [27 March 2021 13:35 UTC](https://discourse.nodered.org/t/ui-table-problem-with-row/43268 "2021-03-27T13:35:03Z")

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Hello everyone. i'm new to node red. Whenever I get a string via udp it overwrites my table row. How can I create a new row every time I get new data?

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## [Clarifying use of split node](https://discourse.nodered.org/t/clarifying-use-of-split-node/43091)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 16\
**Last updated:** [27 March 2021 12:42 UTC](https://discourse.nodered.org/t/clarifying-use-of-split-node/43091 "2021-03-27T12:42:54Z")

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Hi, I need a clarification on use of split node. I have an incoming message like this one: \*#\*1##\*#\*1##\*5\*1\*##\*5\*5\*##\*5\*7\*##\*5\*9\*##\*5\*18\*#1##\*5\*18\*#2##\*5\*18\*#3##\*5\*18\*#4##\*5\*11\*#5##\*5\*11\*#6##\*5\*11\*#7##\*5\*11\*#8## and I…

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## [Change index table](https://discourse.nodered.org/t/change-index-table/43280)

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**Author:** [@simonecrevatin](https://discourse.nodered.org/u/simonecrevatin)\
**Replies:** 0\
**Last updated:** [27 March 2021 12:37 UTC](https://discourse.nodered.org/t/change-index-table/43280 "2021-03-27T12:37:15Z")

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I need to delete table rows depending on names that come to me via udp. how can i change the index of a table?

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## [Sending "up" and "down" commands with a touch screen](https://discourse.nodered.org/t/sending-up-and-down-commands-with-a-touch-screen/43269)

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**Author:** [@remdelag](https://discourse.nodered.org/u/remdelag)\
**Replies:** 0\
**Last updated:** [27 March 2021 10:19 UTC](https://discourse.nodered.org/t/sending-up-and-down-commands-with-a-touch-screen/43269 "2021-03-27T10:19:53Z")

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Hi to everybody, I am a beginner with node-red and raspberry PI, so my question is may be strange :slight\_smile: I will try to formulate my need. I have a machine with a Nema34 motor that I drive with a Modbus RTU step…

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## [Weird timer behaviour](https://discourse.nodered.org/t/weird-timer-behaviour/43186)

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**Author:** [@manjha](https://discourse.nodered.org/u/manjha)\
**Replies:** 14\
**Last updated:** [27 March 2021 08:26 UTC](https://discourse.nodered.org/t/weird-timer-behaviour/43186 "2021-03-27T08:26:06Z")

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I have a task in Node Red that is triggered at a specific time. This has worked OK for several months, but now for some reason stopped working. The weird thing: when I change the specific time to a few minutes in the f…

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## [Land Mines? NPM 7.7.5? With NR?](https://discourse.nodered.org/t/land-mines-npm-7-7-5-with-nr/43239)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 3\
**Last updated:** [27 March 2021 05:38 UTC](https://discourse.nodered.org/t/land-mines-npm-7-7-5-with-nr/43239 "2021-03-27T05:38:42Z")

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Using my test Pi, I tried to upgrade npm to 7.7.5... yes I know this can be ugly, and it was. The actual update was not the issue, but when I did npm install against the package list after deleting node\_modules, somethi…

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## [Protect dashboard from accidental changes while touch scrolling](https://discourse.nodered.org/t/protect-dashboard-from-accidental-changes-while-touch-scrolling/43058)

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**Author:** [@m\_elias](https://discourse.nodered.org/u/m_elias)\
**Replies:** 5\
**Last updated:** [27 March 2021 03:43 UTC](https://discourse.nodered.org/t/protect-dashboard-from-accidental-changes-while-touch-scrolling/43058 "2021-03-27T03:43:04Z")

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I find I'm accidentally changing the values on 1x8 slider widgets while trying to scroll on a touch screen. I'm already trying to avoid touching the slider while scrolling but even then the slider will change. Anyone els…

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## [Revisit: enable wire checks \[Feature Request\] Disallow incompatible node connections](https://discourse.nodered.org/t/revisit-enable-wire-checks-feature-request-disallow-incompatible-node-connections/43258)

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**Author:** [@thentschel](https://discourse.nodered.org/u/thentschel)\
**Replies:** 0\
**Last updated:** [27 March 2021 03:13 UTC](https://discourse.nodered.org/t/revisit-enable-wire-checks-feature-request-disallow-incompatible-node-connections/43258 "2021-03-27T03:13:14Z")

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I'd like to revisit a topic which was discussed a few months ago, but got auto-closed: \[Feature Request\] Disallow incompatible node connections My use-case is that some of the 'nodes' in the flow run on a small embedded…

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## [Split string to object and send to webserver (Traccar)](https://discourse.nodered.org/t/split-string-to-object-and-send-to-webserver-traccar/43046)

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**Author:** [@bjornsundberg](https://discourse.nodered.org/u/bjornsundberg)\
**Replies:** 8\
**Last updated:** [26 March 2021 18:36 UTC](https://discourse.nodered.org/t/split-string-to-object-and-send-to-webserver-traccar/43046 "2021-03-26T18:36:49Z")

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I'm not very good at coding and have now tried with split, function and JSON to Object convert nodes for days without success. Please help me: O I'm getting this string below from an ESP8266 with a GPS and need it to pu…

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## [Message at 7:00pm about the waste](https://discourse.nodered.org/t/message-at-7-00pm-about-the-waste/43232)

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**Author:** [@kamcio](https://discourse.nodered.org/u/kamcio)\
**Replies:** 1\
**Last updated:** [26 March 2021 18:05 UTC](https://discourse.nodered.org/t/message-at-7-00pm-about-the-waste/43232 "2021-03-26T18:05:47Z")

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Hello together, I need Your help. I would like to receive a message at (for example) 7:00 pm, that the waste will be pick up tomorrow. This is what I made: \[{"id":"3cabff3a.3305b","type":"tab","label":"Flow 1","disabl…

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## [Error Code on new startup](https://discourse.nodered.org/t/error-code-on-new-startup/43240)

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**Author:** [@Rookie](https://discourse.nodered.org/u/Rookie)\
**Replies:** 0\
**Last updated:** [26 March 2021 17:45 UTC](https://discourse.nodered.org/t/error-code-on-new-startup/43240 "2021-03-26T17:45:32Z")

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Hi all, I just upgraded to standard plan on IBM Cloud, I tried to startup a new instance and got this error The application manager cannot find the service. Incident ID: 3a623036-cf9e-4ec7-ad44-fb598da59b75 Does not ex…

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## [Global variable undefined in subflow?](https://discourse.nodered.org/t/global-variable-undefined-in-subflow/43132)

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**Author:** [@r0ller](https://discourse.nodered.org/u/r0ller)\
**Replies:** 21\
**Last updated:** [26 March 2021 16:09 UTC](https://discourse.nodered.org/t/global-variable-undefined-in-subflow/43132 "2021-03-26T16:09:13Z")

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Hi All, I've just bumped into a problem and I just can't believe my eyes. One of our systems started to send emails with undefined values where no such values should appear. So I started to investigate the email sending…

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## [Msg.topic manipilation of output of a function node](https://discourse.nodered.org/t/msg-topic-manipilation-of-output-of-a-function-node/43236)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 2\
**Last updated:** [26 March 2021 15:53 UTC](https://discourse.nodered.org/t/msg-topic-manipilation-of-output-of-a-function-node/43236 "2021-03-26T15:53:33Z")

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A newbie question.... Again.... I have a function node that has a few outputs, what is the correct way of setting a different topic for a particular output? ie: return \[ {payload:0}, {payload:1} \]; Sets the payloads …

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## [Advice On JavaScript Again](https://discourse.nodered.org/t/advice-on-javascript-again/43197)

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**Author:** [@Dgillett](https://discourse.nodered.org/u/Dgillett)\
**Replies:** 9\
**Last updated:** [26 March 2021 15:07 UTC](https://discourse.nodered.org/t/advice-on-javascript-again/43197 "2021-03-26T15:07:29Z")

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I was able to find a huge solution to one of my problems yesterday using this forum, I'm hoping to get one last piece of advice to figure out the one remaining issue with this code. if (typeof msg.payload.ProgramNumber …

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## [Dropdown node in node red](https://discourse.nodered.org/t/dropdown-node-in-node-red/43196)

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**Author:** [@ivexy24](https://discourse.nodered.org/u/ivexy24)\
**Replies:** 33\
**Last updated:** [26 March 2021 14:45 UTC](https://discourse.nodered.org/t/dropdown-node-in-node-red/43196 "2021-03-26T14:45:32Z")

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Lets say I have 1 GET request and from it i get an array of objects. Is there any way to make a dropdown of all the objects so i can manually select which object I want to use?

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## [Mongodb network access issues. IP Address?](https://discourse.nodered.org/t/mongodb-network-access-issues-ip-address/43143)

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**Author:** [@perryjamessugden](https://discourse.nodered.org/u/perryjamessugden)\
**Replies:** 6\
**Last updated:** [26 March 2021 13:55 UTC](https://discourse.nodered.org/t/mongodb-network-access-issues-ip-address/43143 "2021-03-26T13:55:10Z")

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Hey I've started to use Node-RED for a project which I'm super excited about. I've setup my OSC in and formatted as JSON and can read in the debug window, all good. Now i've been following some tutorials but run into …

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## [How to extract data from mysql node response?](https://discourse.nodered.org/t/how-to-extract-data-from-mysql-node-response/43221)

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**Author:** [@RMILIOussama](https://discourse.nodered.org/u/RMILIOussama)\
**Replies:** 7\
**Last updated:** [26 March 2021 12:59 UTC](https://discourse.nodered.org/t/how-to-extract-data-from-mysql-node-response/43221 "2021-03-26T12:59:07Z")

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Node-Red version : 1.0.6 I want to extract some data from DataBase MySQL response to do some other operation ! \[{"id":"b3dfdc6d.e7775","type":"function","z":"ccdfe680.e48b48","name":"Get data","func":"msg.topic = msg.p…

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## [Sonos amp mit NodeRed](https://discourse.nodered.org/t/sonos-amp-mit-nodered/43227)

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**Author:** [@automati](https://discourse.nodered.org/u/automati)\
**Replies:** 1\
**Last updated:** [26 March 2021 12:57 UTC](https://discourse.nodered.org/t/sonos-amp-mit-nodered/43227 "2021-03-26T12:57:33Z")

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Hello everyone, does anyone know if I can control a sonos amp with nodered? So I want to be able to switch the Sonos amp on and off from Nodered, and does someone know when I switch on the Sonos amp whether the last stat…

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## [VOIP / SIP /caller ID](https://discourse.nodered.org/t/voip-sip-caller-id/40714)

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**Author:** [@TWINMIND](https://discourse.nodered.org/u/TWINMIND)\
**Replies:** 5\
**Last updated:** [25 March 2021 14:37 UTC](https://discourse.nodered.org/t/voip-sip-caller-id/40714 "2021-03-25T14:37:05Z")

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Hi, Anyone ever made à node that can catch caller id from a pre configured sip account ? A node configured with sip credential that will spit payload=calller ID. (English is not my first language).

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## [What should be the type of dropdown output?](https://discourse.nodered.org/t/what-should-be-the-type-of-dropdown-output/42673)

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**Author:** [@ihbar](https://discourse.nodered.org/u/ihbar)\
**Replies:** 5\
**Last updated:** [26 March 2021 09:35 UTC](https://discourse.nodered.org/t/what-should-be-the-type-of-dropdown-output/42673 "2021-03-26T09:35:15Z")

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Hello I see something strange on dropdown node output : With this simple test flow : I used this values (note that 1st value is a number, other are strings) When I test each values, I receive in the debug : I…

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## [Pass value to S7 from mysql](https://discourse.nodered.org/t/pass-value-to-s7-from-mysql/43230)

<div class="topic-metadata">

**Author:** [@Eimerich](https://discourse.nodered.org/u/Eimerich)\
**Replies:** 0\
**Last updated:** [26 March 2021 09:26 UTC](https://discourse.nodered.org/t/pass-value-to-s7-from-mysql/43230 "2021-03-26T09:26:46Z")

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Hi there, My next step into the forest of S7/Mysql interconnection... I successfully created a test insert node using an "inject" node connected to the S7 out node and forcing the script of a value (text). Right... no…

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## [Flows restart after restart of Node Red but not after a reboot of the pi](https://discourse.nodered.org/t/flows-restart-after-restart-of-node-red-but-not-after-a-reboot-of-the-pi/43129)

<div class="topic-metadata">

**Author:** [@IanLauder](https://discourse.nodered.org/u/IanLauder)\
**Replies:** 23\
**Last updated:** [26 March 2021 09:10 UTC](https://discourse.nodered.org/t/flows-restart-after-restart-of-node-red-but-not-after-a-reboot-of-the-pi/43129 "2021-03-26T09:10:10Z")

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Relatively new to Node Red so if you can answer in laymans terms or with a complete example. I have a Raspberri Pi running Node Red and some of the flows are not restarted after the Pi is rebooted. If I do a restart of…

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## [Invert bits binary](https://discourse.nodered.org/t/invert-bits-binary/43226)

<div class="topic-metadata">

**Author:** [@raulrodca](https://discourse.nodered.org/u/raulrodca)\
**Replies:** 3\
**Last updated:** [26 March 2021 08:26 UTC](https://discourse.nodered.org/t/invert-bits-binary/43226 "2021-03-26T08:26:59Z")

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hello good, I wanted to be able to change the order of the bits for their correct reading. When I want it to get a 1 in binary, it represents it to me in the following way What I wish is for it to be positioned corre…

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## [Round a value in a function node](https://discourse.nodered.org/t/round-a-value-in-a-function-node/829)

<div class="topic-metadata">

**Author:** [@YT2310](https://discourse.nodered.org/u/YT2310)\
**Replies:** 4\
**Last updated:** [26 March 2021 08:18 UTC](https://discourse.nodered.org/t/round-a-value-in-a-function-node/829 "2021-03-26T08:18:24Z")

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Hello community, could any one help me, Round a value in a function? Math.round(value,2) doesn t work

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## [Multiple data in Single chart](https://discourse.nodered.org/t/multiple-data-in-single-chart/43118)

<div class="topic-metadata">

**Author:** [@tcsjohnson](https://discourse.nodered.org/u/tcsjohnson)\
**Replies:** 5\
**Last updated:** [26 March 2021 07:03 UTC](https://discourse.nodered.org/t/multiple-data-in-single-chart/43118 "2021-03-26T07:03:43Z")

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hi, I have 2 readDP from the controller as below How should i put this 2 data into single chart? Can someone teach me and give example? Thank you

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## [NodeRED SQLite data hashing](https://discourse.nodered.org/t/nodered-sqlite-data-hashing/43211)

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**Author:** [@SKA](https://discourse.nodered.org/u/SKA)\
**Replies:** 1\
**Last updated:** [26 March 2021 00:20 UTC](https://discourse.nodered.org/t/nodered-sqlite-data-hashing/43211 "2021-03-26T00:20:14Z")

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Hello, just a general question that I wanted to ask. Does anyone knows how to hash data that is being stored in the database. I searched online, but all I found was how to download, create and attach your db with your f…

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## [Send msg.payload value to another node](https://discourse.nodered.org/t/send-msg-payload-value-to-another-node/43203)

<div class="topic-metadata">

**Author:** [@fikerplunk](https://discourse.nodered.org/u/fikerplunk)\
**Replies:** 7\
**Last updated:** [25 March 2021 22:07 UTC](https://discourse.nodered.org/t/send-msg-payload-value-to-another-node/43203 "2021-03-25T22:07:06Z")

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Hi! I have this flow that sends data from the firestore to the split node, which separates each key, so I have this function that creates a string using the keys and sends it to another node of the firestore, so I can p…

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## [Error installing "node-red-node-arduino 0.3.1"](https://discourse.nodered.org/t/error-installing-node-red-node-arduino-0-3-1/43153)

<div class="topic-metadata">

**Author:** [@tejas\_45](https://discourse.nodered.org/u/tejas_45)\
**Replies:** 6\
**Last updated:** [25 March 2021 21:48 UTC](https://discourse.nodered.org/t/error-installing-node-red-node-arduino-0-3-1/43153 "2021-03-25T21:48:00Z")

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i have try to install C:\\Windows\\system32\>npm install node-red-node-arduino npm WARN deprecated bcrypt@3.0.6: versions \< v5.0.0 do not handle NUL in passwords properly npm WARN deprecated bcrypt@3.0.8: versions \< v5.0…

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