# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1277

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

**Page:** 1278

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## [TypeError: node.type.padEnd is not a function](https://discourse.nodered.org/t/typeerror-node-type-padend-is-not-a-function/11316)

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**Author:** [@mikejac](https://discourse.nodered.org/u/mikejac)\
**Replies:** 5\
**Last updated:** [21 May 2019 16:57 UTC](https://discourse.nodered.org/t/typeerror-node-type-padend-is-not-a-function/11316 "2019-05-21T16:57:43Z")

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Hi, At some point I started getting these error messages in my logs: May 20 08:43:22 broker1 nodered\[13637\]: TypeError: node.type.padEnd is not a function May 20 08:43:22 broker1 nodered\[13637\]: at Flow.start (/usr…

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## [Detect page refresh (F5)](https://discourse.nodered.org/t/detect-page-refresh-f5/11377)

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**Author:** [@AliBenBelgacem](https://discourse.nodered.org/u/AliBenBelgacem)\
**Replies:** 3\
**Last updated:** [21 May 2019 16:17 UTC](https://discourse.nodered.org/t/detect-page-refresh-f5/11377 "2019-05-21T16:17:29Z")

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Hello, I have a table with list of compsed rows (labels, dropdown, input text ...) When i refresh my web page (F5), i lose all the data in the table. this bhavior is normal since i populate my table with an inject nod…

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## [Too short user for http request](https://discourse.nodered.org/t/too-short-user-for-http-request/11359)

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**Author:** [@DillonW](https://discourse.nodered.org/u/DillonW)\
**Replies:** 4\
**Last updated:** [21 May 2019 15:03 UTC](https://discourse.nodered.org/t/too-short-user-for-http-request/11359 "2019-05-21T15:03:16Z")

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Hi, I am trying to use http request node to acquire a token specified for a service(Based on IBM). The curl format is specified as: curl "https://iam.ng.bluemix.net/identity/token" -d "apikey=12345678&grant\_type=urn%3Ai…

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## [Acsip LORA modules are not recognisable in node red application](https://discourse.nodered.org/t/acsip-lora-modules-are-not-recognisable-in-node-red-application/6773)

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**Author:** [@muniraja.bs](https://discourse.nodered.org/u/muniraja.bs)\
**Replies:** 4\
**Last updated:** [21 May 2019 12:12 UTC](https://discourse.nodered.org/t/acsip-lora-modules-are-not-recognisable-in-node-red-application/6773 "2019-05-21T12:12:10Z")

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Hi We are using Nodeered lora application server to control the street light through the ACSIP modules . We observed that application server is unable to recognize Node (Acsip) and do respective function . We controlli…

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## [Splitting Arrays](https://discourse.nodered.org/t/splitting-arrays/11335)

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**Author:** [@Spammy](https://discourse.nodered.org/u/Spammy)\
**Replies:** 7\
**Last updated:** [21 May 2019 12:01 UTC](https://discourse.nodered.org/t/splitting-arrays/11335 "2019-05-21T12:01:55Z")

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Lets say I have an array of items. I want to iterate over a subset of these item (using a split and switch) and do a couple of operations on each, the first of which takes some time to complete. So I add a stoptimer node…

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## [Mastervolt data retrieval with rs485](https://discourse.nodered.org/t/mastervolt-data-retrieval-with-rs485/11306)

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**Author:** [@Thewaver](https://discourse.nodered.org/u/Thewaver)\
**Replies:** 5\
**Last updated:** [21 May 2019 11:52 UTC](https://discourse.nodered.org/t/mastervolt-data-retrieval-with-rs485/11306 "2019-05-21T11:52:02Z")

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Hi, I'm a newbie and starting to learn how to use node-red. I'm hoping to eventually understand this enough so I can design a flow that will enable me to pull data from my mastervolt xs3200 inverter. It use a rs485 inter…

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## [Installation modbus palette](https://discourse.nodered.org/t/installation-modbus-palette/11350)

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**Author:** [@abdul](https://discourse.nodered.org/u/abdul)\
**Replies:** 0\
**Last updated:** [21 May 2019 08:05 UTC](https://discourse.nodered.org/t/installation-modbus-palette/11350 "2019-05-21T08:05:08Z")

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Hi, i want to make my computer as modbus server using node-red but when install modbus palette we get error like this : 2019-05-21T07:57:03.954Z Install : node-red-contrib-modbus 4.1.3 2019-05-21T07:56:25.999Z npm inst…

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## [HTTP request node - authentication keeps turning itself back on](https://discourse.nodered.org/t/http-request-node-authentication-keeps-turning-itself-back-on/11260)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 11\
**Last updated:** [21 May 2019 02:18 UTC](https://discourse.nodered.org/t/http-request-node-authentication-keeps-turning-itself-back-on/11260 "2019-05-21T02:18:44Z")

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Bit of a strange one. Recently I noticed my "turn on the radio" buttons stopped working. These are HTTP request nodes that call my squeezebox server to start playing an audio favourite. When I investigated, I double-ch…

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## [Dashboard List of files displayed](https://discourse.nodered.org/t/dashboard-list-of-files-displayed/11278)

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**Author:** [@MrDmx1024](https://discourse.nodered.org/u/MrDmx1024)\
**Replies:** 11\
**Last updated:** [21 May 2019 01:38 UTC](https://discourse.nodered.org/t/dashboard-list-of-files-displayed/11278 "2019-05-21T01:38:32Z")

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Does anybody know a good way to represent a list of files on the dashboard? I am getting \["fireworks.h264","heat.h264","maint.h264","test.h264"\] from a file list node and would like to show this list on the UI. I have …

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## [Is it possible to install node red with directadmin?](https://discourse.nodered.org/t/is-it-possible-to-install-node-red-with-directadmin/11338)

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**Author:** [@Andres](https://discourse.nodered.org/u/Andres)\
**Replies:** 3\
**Last updated:** [21 May 2019 00:31 UTC](https://discourse.nodered.org/t/is-it-possible-to-install-node-red-with-directadmin/11338 "2019-05-21T00:31:15Z")

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as the title says, is this possible?

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## [Show palette items conditionally](https://discourse.nodered.org/t/show-palette-items-conditionally/11308)

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**Author:** [@mvidhya86](https://discourse.nodered.org/u/mvidhya86)\
**Replies:** 1\
**Last updated:** [20 May 2019 20:44 UTC](https://discourse.nodered.org/t/show-palette-items-conditionally/11308 "2019-05-20T20:44:00Z")

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Do we have any option to load palette dynamically, based on some conditions, enable few items (nodes) in palette

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## [Maths problem - stuck](https://discourse.nodered.org/t/maths-problem-stuck/11282)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 17\
**Last updated:** [20 May 2019 20:29 UTC](https://discourse.nodered.org/t/maths-problem-stuck/11282 "2019-05-20T20:29:46Z")

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I have in my flow a node which compares the RTC and the RPI clock. It looks for a difference. If it is greater than a set value, it sends a message indicating that. But to check I need to do the check both ways. Have…

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## [GPIO output fails "on"?](https://discourse.nodered.org/t/gpio-output-fails-on/11302)

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**Author:** [@rick](https://discourse.nodered.org/u/rick)\
**Replies:** 5\
**Last updated:** [20 May 2019 19:51 UTC](https://discourse.nodered.org/t/gpio-output-fails-on/11302 "2019-05-20T19:51:49Z")

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Hi all, New to node-red & raspberry pi and found something peculiar about the behavior of the GPIO outputs. They default to "on". if the flow is blocked (say by an rbe) on the first pass, the node indicates "OK" and t…

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## [I can't find Manage Palette](https://discourse.nodered.org/t/i-cant-find-manage-palette/11312)

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**Author:** [@VictorKobayashi](https://discourse.nodered.org/u/VictorKobayashi)\
**Replies:** 14\
**Last updated:** [20 May 2019 16:41 UTC](https://discourse.nodered.org/t/i-cant-find-manage-palette/11312 "2019-05-20T16:41:40Z")

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Hello, Currently I have the node-red version v0.20.5 (latest version, I think) and I can't find the option manage palette in the menu in the top right corner. Someone knows how to fix it ? Thanks !

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## [Websocket-client onopen event](https://discourse.nodered.org/t/websocket-client-onopen-event/11321)

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**Author:** [@pmbsa](https://discourse.nodered.org/u/pmbsa)\
**Replies:** 2\
**Last updated:** [20 May 2019 15:26 UTC](https://discourse.nodered.org/t/websocket-client-onopen-event/11321 "2019-05-20T15:26:55Z")

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Hi, I was just wondering if anybody has a solution to providing a token to the web socket server "onopen". I have a wio node that publishes PIR events over was but requires a token from the client when the connection ope…

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## [Reading energy meter data using modbus serial comunication on Raspberry Pi Node red programming tool](https://discourse.nodered.org/t/reading-energy-meter-data-using-modbus-serial-comunication-on-raspberry-pi-node-red-programming-tool/8358)

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**Author:** [@Geeta](https://discourse.nodered.org/u/Geeta)\
**Replies:** 3\
**Last updated:** [20 May 2019 13:49 UTC](https://discourse.nodered.org/t/reading-energy-meter-data-using-modbus-serial-comunication-on-raspberry-pi-node-red-programming-tool/8358 "2019-05-20T13:49:41Z")

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How to get data from thrid party devices like enegry meter using modbus-RS485 communication on Raspberry Pi using Node-Red programming tool?

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## [Color picker, cannot select grey](https://discourse.nodered.org/t/color-picker-cannot-select-grey/11241)

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**Author:** [@Ant422](https://discourse.nodered.org/u/Ant422)\
**Replies:** 4\
**Last updated:** [20 May 2019 08:47 UTC](https://discourse.nodered.org/t/color-picker-cannot-select-grey/11241 "2019-05-20T08:47:04Z")

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Hi all, I mentioned this in a previous thread but could really do with some guidance. I am using the color picker is a project but I cannot seem to select the inner part of the circle. As a result there is no way (that…

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## [Redirecting to dashboard from flow](https://discourse.nodered.org/t/redirecting-to-dashboard-from-flow/11093)

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**Author:** [@mvidhya86](https://discourse.nodered.org/u/mvidhya86)\
**Replies:** 6\
**Last updated:** [20 May 2019 08:25 UTC](https://discourse.nodered.org/t/redirecting-to-dashboard-from-flow/11093 "2019-05-20T08:25:05Z")

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Is there a way i redirect to dashboard from the flow. I get HTML as msg.payload and this i could send to dashboard, but user has to click on dashboard icon to preview it. How do i redirect to dashboard from the flow, sa…

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## [How to modify size of font and objects in sidebars](https://discourse.nodered.org/t/how-to-modify-size-of-font-and-objects-in-sidebars/11307)

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**Author:** [@cuxcrider](https://discourse.nodered.org/u/cuxcrider)\
**Replies:** 1\
**Last updated:** [20 May 2019 05:04 UTC](https://discourse.nodered.org/t/how-to-modify-size-of-font-and-objects-in-sidebars/11307 "2019-05-20T05:04:47Z")

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I can change the node and font size in the flow panel easily with ctrl+ and ctrl- but I seem stuck at the moment with some very small nodes and fonts in the left and right sidebars and seemingly no matter where I click c…

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## [Is it possible to use NR-Runtime without http server?](https://discourse.nodered.org/t/is-it-possible-to-use-nr-runtime-without-http-server/11256)

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**Author:** [@minzojian](https://discourse.nodered.org/u/minzojian)\
**Replies:** 6\
**Last updated:** [20 May 2019 02:37 UTC](https://discourse.nodered.org/t/is-it-possible-to-use-nr-runtime-without-http-server/11256 "2019-05-20T02:37:59Z")

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sorry,a newbie here with a newbie question i noticed the latest version NR has split editor and runtime,that's awsone! and i am planing to make a game server logic design by editor with nodes drag-n-drop, then export t…

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## [How to store data in context hierarchichally](https://discourse.nodered.org/t/how-to-store-data-in-context-hierarchichally/11287)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 13\
**Last updated:** [19 May 2019 23:48 UTC](https://discourse.nodered.org/t/how-to-store-data-in-context-hierarchichally/11287 "2019-05-19T23:48:16Z")

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This is probably a really basic question. This seems to work fine: global.set("WaterSupplyUnit.LeakZone1",true) An expandable object appears in context explorer, with "LeakZone1" as an available subvalue. But if I wa…

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## [Problem with dynamic PID parameter change (node-red-contrib-pid)](https://discourse.nodered.org/t/problem-with-dynamic-pid-parameter-change-node-red-contrib-pid/10829)

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**Author:** [@batigolle](https://discourse.nodered.org/u/batigolle)\
**Replies:** 38\
**Last updated:** [19 May 2019 20:54 UTC](https://discourse.nodered.org/t/problem-with-dynamic-pid-parameter-change-node-red-contrib-pid/10829 "2019-05-19T20:54:00Z")

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Hi all I am a homebrewing, the process I am trying to control requires the control of an electric pot with 28 liters of water in which some kg of malts are immersed, at different temperature steps. To try to keep the …

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## [Impossible to send lat and lon to darksky node](https://discourse.nodered.org/t/impossible-to-send-lat-and-lon-to-darksky-node/11262)

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**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 2\
**Last updated:** [19 May 2019 20:00 UTC](https://discourse.nodered.org/t/impossible-to-send-lat-and-lon-to-darksky-node/11262 "2019-05-19T20:00:05Z")

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Hello I try to use the darksky node For this, I send msg.location.lat and msg.location.lon in a function node, and I send it with an inject node. \[{"id":"87c62aba.34caa8","type":"inject","z":"42048d2a.145da4","name":"…

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## [ENABLE RS485 , changed my modbus from analog to digital](https://discourse.nodered.org/t/enable-rs485-changed-my-modbus-from-analog-to-digital/11291)

<div class="topic-metadata">

**Author:** [@afiqkimii](https://discourse.nodered.org/u/afiqkimii)\
**Replies:** 3\
**Last updated:** [19 May 2019 19:15 UTC](https://discourse.nodered.org/t/enable-rs485-changed-my-modbus-from-analog-to-digital/11291 "2019-05-19T19:15:09Z")

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hi , i change my modbus rs485 from analog to digital(new one) can i know how to enable the rs485 port on my fanless cpu??

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## [Who can help me improve my node (homekit)](https://discourse.nodered.org/t/who-can-help-me-improve-my-node-homekit/11214)

<div class="topic-metadata">

**Author:** [@NickB](https://discourse.nodered.org/u/NickB)\
**Replies:** 3\
**Last updated:** [19 May 2019 11:56 UTC](https://discourse.nodered.org/t/who-can-help-me-improve-my-node-homekit/11214 "2019-05-19T11:56:56Z")

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Hi, since a long time I want to add homekit to my home automation, but the node I have written is so buggy that half the time it doesn't work. If you look at the debug it's also obvious why. So, I use the node-red-cont…

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## [Problems with flow from GoogleCalendar to Telegram Push](https://discourse.nodered.org/t/problems-with-flow-from-googlecalendar-to-telegram-push/10323)

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**Author:** [@Baggerfahrer](https://discourse.nodered.org/u/Baggerfahrer)\
**Replies:** 8\
**Last updated:** [18 May 2019 22:22 UTC](https://discourse.nodered.org/t/problems-with-flow-from-googlecalendar-to-telegram-push/10323 "2019-05-18T22:22:07Z")

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Hi all, I just dont know what to change anymore, I tested everything what I could think of, but unsuccessfull. I hope anyone can help me. My flow settup is like that: The content if the "Info" flow: var mypayloa…

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## [Filter out data](https://discourse.nodered.org/t/filter-out-data/11249)

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**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\
**Replies:** 10\
**Last updated:** [18 May 2019 16:03 UTC](https://discourse.nodered.org/t/filter-out-data/11249 "2019-05-18T16:03:47Z")

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Hi. Have a change node that changes from NL1 to a Json string. That works fine but I want to remove everything else and just let the json pass. Any idea how I can accomplish this?

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## [Node-Red Flow Pasting Issues](https://discourse.nodered.org/t/node-red-flow-pasting-issues/11274)

<div class="topic-metadata">

**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 2\
**Last updated:** [18 May 2019 16:01 UTC](https://discourse.nodered.org/t/node-red-flow-pasting-issues/11274 "2019-05-18T16:01:49Z")

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I'm having some terrible issues with FLOW pasting in Node-Red. I'm over in Spain right now for the summer where my Node-Red setup is months old. I could not safely remotely update Node-Red, NPM etc here to the latest ve…

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## [BLE / trilateration / positioning indoor](https://discourse.nodered.org/t/ble-trilateration-positioning-indoor/11277)

<div class="topic-metadata">

**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 0\
**Last updated:** [18 May 2019 15:59 UTC](https://discourse.nodered.org/t/ble-trilateration-positioning-indoor/11277 "2019-05-18T15:59:55Z")

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Any one some experience with ble trilateration for ble positioning indoors? I saw this beeing used in the mcdonalds and have some ideas with it. On the web most exmples articles are more then 5 year old Thanks for you…

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## [Some help needed Influx DB](https://discourse.nodered.org/t/some-help-needed-influx-db/11247)

<div class="topic-metadata">

**Author:** [@TimTist](https://discourse.nodered.org/u/TimTist)\
**Replies:** 8\
**Last updated:** [18 May 2019 14:15 UTC](https://discourse.nodered.org/t/some-help-needed-influx-db/11247 "2019-05-18T14:15:24Z")

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Hello all. Just created an Influx database called "test" and I want to do some tests from a simple flow. I'm new with Influx so I wonder if someone can guide me how to write the value "123" to the database. As far as I …

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