# Latest

**URL:** https://discourse.nodered.org/latest.md?page=540

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

**Page:** 541

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## [Settings.js flow.set storage locale](https://discourse.nodered.org/t/settings-js-flow-set-storage-locale/64735)

<div class="topic-metadata">

**Author:** [@shel](https://discourse.nodered.org/u/shel)\
**Replies:** 1\
**Last updated:** [5 July 2022 18:42 UTC](https://discourse.nodered.org/t/settings-js-flow-set-storage-locale/64735 "2022-07-05T18:42:26Z")

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In the old settings.js file there used to be a place to specify the default location for the flow.set data. I can find the context.set file location in the new settings.js file but haven't been able to find the flow loca…

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## [Nubie - using components in uibuilder](https://discourse.nodered.org/t/nubie-using-components-in-uibuilder/63234)

<div class="topic-metadata">

**Author:** [@annuello](https://discourse.nodered.org/u/annuello)\
**Replies:** 7\
**Last updated:** [5 July 2022 18:39 UTC](https://discourse.nodered.org/t/nubie-using-components-in-uibuilder/63234 "2022-07-05T18:39:04Z")

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Hi, Q: What is the most appropriate way to approach adding toast-ui/calendar to a basic uibuilder app? I'm looking for some help/guidance re using components in uibuilder. I understand that "there are many ways" and "…

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## [Can anyone explain to me why this works...? (Signed integer data)](https://discourse.nodered.org/t/can-anyone-explain-to-me-why-this-works-signed-integer-data/64630)

<div class="topic-metadata">

**Author:** [@Dyslexicbloke](https://discourse.nodered.org/u/Dyslexicbloke)\
**Replies:** 6\
**Last updated:** [5 July 2022 17:41 UTC](https://discourse.nodered.org/t/can-anyone-explain-to-me-why-this-works-signed-integer-data/64630 "2022-07-05T17:41:43Z")

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Continuing the discussion from MODBUS 16bit SIGNED INTEGER: The post above, 2020 demonstrates a very compact way to read in signed integer values from a Modbus device. I understand what they are and how they are stored…

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## [Cannot reach editor page or dashboard after installing flow](https://discourse.nodered.org/t/cannot-reach-editor-page-or-dashboard-after-installing-flow/64724)

<div class="topic-metadata">

**Author:** [@shel](https://discourse.nodered.org/u/shel)\
**Replies:** 8\
**Last updated:** [5 July 2022 17:00 UTC](https://discourse.nodered.org/t/cannot-reach-editor-page-or-dashboard-after-installing-flow/64724 "2022-07-05T17:00:57Z")

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Bought a new pi and installed the latest image, updated the OS, installed node red and opened the editor page. No problems. Created a simple flow and hit deploy. Now the fun starts. After the deploy I cannot access the e…

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## [Triggering I/O from unix time stamps](https://discourse.nodered.org/t/triggering-i-o-from-unix-time-stamps/64595)

<div class="topic-metadata">

**Author:** [@Corey](https://discourse.nodered.org/u/Corey)\
**Replies:** 2\
**Last updated:** [5 July 2022 17:08 UTC](https://discourse.nodered.org/t/triggering-i-o-from-unix-time-stamps/64595 "2022-07-05T17:08:57Z")

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Hi, I'm relatively new to this, so apologies in advance. I'm polling an API and storing a few time stamps and converting them to Unix to do basic calculations. What I would like to do is have an I/O triggered when the …

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## [How does the Complete node work?](https://discourse.nodered.org/t/how-does-the-complete-node-work/64733)

<div class="topic-metadata">

**Author:** [@phoddie](https://discourse.nodered.org/u/phoddie)\
**Replies:** 5\
**Last updated:** [5 July 2022 17:06 UTC](https://discourse.nodered.org/t/how-does-the-complete-node-work/64733 "2022-07-05T17:06:45Z")

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I am looking to implement Complete node support for the Node-RED MCU Edition exploration. I've been able to understand many of the built-in nodes well enough to re-implement them, at least in part, for MCU. I don't real…

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## [To reduce CPU/Ram usage better use only ONE "Telegram receive node"?](https://discourse.nodered.org/t/to-reduce-cpu-ram-usage-better-use-only-one-telegram-receive-node/64719)

<div class="topic-metadata">

**Author:** [@lumanga](https://discourse.nodered.org/u/lumanga)\
**Replies:** 1\
**Last updated:** [5 July 2022 16:39 UTC](https://discourse.nodered.org/t/to-reduce-cpu-ram-usage-better-use-only-one-telegram-receive-node/64719 "2022-07-05T16:39:39Z")

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Dear All, I just want to understand and know if in a complex FLOW, to have less CPU and RAM usage, is better or is the same things: A) Use ONLY unique and ONE "telegram Receive node" ( and use a "function node to split…

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## [Influxdb in node time precision](https://discourse.nodered.org/t/influxdb-in-node-time-precision/64640)

<div class="topic-metadata">

**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 5\
**Last updated:** [5 July 2022 16:30 UTC](https://discourse.nodered.org/t/influxdb-in-node-time-precision/64640 "2022-07-05T16:30:32Z")

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Version \[V1.x\]. At "influxdb in" node, the default time precision is "ms". In the advanced query option of the "influxdb in" node, changed the time precision to "Microsecond (u)", but the query result is still showing …

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## [MSSQL node - Unable to connect all of a sudden](https://discourse.nodered.org/t/mssql-node-unable-to-connect-all-of-a-sudden/64731)

<div class="topic-metadata">

**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 2\
**Last updated:** [5 July 2022 16:25 UTC](https://discourse.nodered.org/t/mssql-node-unable-to-connect-all-of-a-sudden/64731 "2022-07-05T16:25:40Z")

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Hi , I am using MSSQL contrib node - extensively. All was working till a few hours back. And then all of a sudden - i have started getting :-1: I have configuration to DB1 , DB2. My node was pointing to DB1. I chang…

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## [IPv6 ENETUNREACH](https://discourse.nodered.org/t/ipv6-enetunreach/64716)

<div class="topic-metadata">

**Author:** [@sahaine](https://discourse.nodered.org/u/sahaine)\
**Replies:** 16\
**Last updated:** [5 July 2022 15:34 UTC](https://discourse.nodered.org/t/ipv6-enetunreach/64716 "2022-07-05T15:34:00Z")

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We have a Node-Red install on Debian and 4G network which only support ipv6. Whenever making requests we receive an error; RequestError: connect ENETUNREACH 142.250.200.4:80 - Local (0.0.0.0:0) : http://www.google.com A…

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## [SQL-array to Telegram inline keyboard](https://discourse.nodered.org/t/sql-array-to-telegram-inline-keyboard/64609)

<div class="topic-metadata">

**Author:** [@dajero](https://discourse.nodered.org/u/dajero)\
**Replies:** 5\
**Last updated:** [5 July 2022 14:19 UTC](https://discourse.nodered.org/t/sql-array-to-telegram-inline-keyboard/64609 "2022-07-05T14:19:11Z")

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Hello all! I have a Telegrambot in Node Red, which requests data from a database via an SQL statement. The result is an array. I want to display each item of this array (via a function) as a button in an inline keyboa…

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## [Best method to detect when RS-485 Modbus/RTU devices is offline](https://discourse.nodered.org/t/best-method-to-detect-when-rs-485-modbus-rtu-devices-is-offline/64615)

<div class="topic-metadata">

**Author:** [@hobbes1069](https://discourse.nodered.org/u/hobbes1069)\
**Replies:** 12\
**Last updated:** [5 July 2022 14:01 UTC](https://discourse.nodered.org/t/best-method-to-detect-when-rs-485-modbus-rtu-devices-is-offline/64615 "2022-07-05T14:01:18Z")

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I have a Tulip Edge IO device connected to a Yokogawa oven controller via RS-485 and Node-RED. As long as the oven is turned on I'm having very good success polling the controller. As the lab turns the oven off at the e…

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## [Node Red on PI 64 bit update](https://discourse.nodered.org/t/node-red-on-pi-64-bit-update/64690)

<div class="topic-metadata">

**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 5\
**Last updated:** [5 July 2022 13:52 UTC](https://discourse.nodered.org/t/node-red-on-pi-64-bit-update/64690 "2022-07-05T13:52:31Z")

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I have for several months been running node red on the 64 bit OS and to save the suspense it just isn't worth the grief. Node Red seems to run OK, you can do everything you can in 32 bit but the under lying support seems…

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## [Let the corridor light flash 2 times](https://discourse.nodered.org/t/let-the-corridor-light-flash-2-times/64709)

<div class="topic-metadata">

**Author:** [@Markus1995](https://discourse.nodered.org/u/Markus1995)\
**Replies:** 2\
**Last updated:** [5 July 2022 13:27 UTC](https://discourse.nodered.org/t/let-the-corridor-light-flash-2-times/64709 "2022-07-05T13:27:10Z")

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Hello, Does anyone have an idea how I can implement a switch-off warning (flashing twice) for my hall light? I hope someone can help me with this.

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## [How to Correctly create a csv from an oject of Key/values](https://discourse.nodered.org/t/how-to-correctly-create-a-csv-from-an-oject-of-key-values/64686)

<div class="topic-metadata">

**Author:** [@nenny](https://discourse.nodered.org/u/nenny)\
**Replies:** 4\
**Last updated:** [5 July 2022 13:15 UTC](https://discourse.nodered.org/t/how-to-correctly-create-a-csv-from-an-oject-of-key-values/64686 "2022-07-05T13:15:41Z")

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Basically i want to make a csv with col1 being the key and col 2 being the value I have the structure complete but i am having trouble including they key as the name of the value i managed to make it include the…

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## [OPC UA read data only when it changes](https://discourse.nodered.org/t/opc-ua-read-data-only-when-it-changes/62286)

<div class="topic-metadata">

**Author:** [@obi1987](https://discourse.nodered.org/u/obi1987)\
**Replies:** 6\
**Last updated:** [5 July 2022 09:54 UTC](https://discourse.nodered.org/t/opc-ua-read-data-only-when-it-changes/62286 "2022-07-05T09:54:33Z")

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Hi, I want to read data only when it get changes in PLCs. Anyone have the idea?

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## [Node-red disconnects using modbus](https://discourse.nodered.org/t/node-red-disconnects-using-modbus/64531)

<div class="topic-metadata">

**Author:** [@samirovic](https://discourse.nodered.org/u/samirovic)\
**Replies:** 1\
**Last updated:** [5 July 2022 09:42 UTC](https://discourse.nodered.org/t/node-red-disconnects-using-modbus/64531 "2022-07-05T09:42:01Z")

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Hello, I use the Node Red to send data in Modbus to a PLC, it is sent every 5s but for a moment the Node Red disconnects and it stops sending the data. I configured the Node Red to start automatically with the Raspberr…

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## [Format payload string](https://discourse.nodered.org/t/format-payload-string/64670)

<div class="topic-metadata">

**Author:** [@ChristophCaina](https://discourse.nodered.org/u/ChristophCaina)\
**Replies:** 8\
**Last updated:** [5 July 2022 07:58 UTC](https://discourse.nodered.org/t/format-payload-string/64670 "2022-07-05T07:58:53Z")

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Hi all, I am receiving a string which I want to format and extract only some information from it. This is the string I am receiving: openWB/system/Uptime : msg.payload : string\[67\] " 12:31:14 up 15 days, 16:38, 1 use…

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## [If Else Function](https://discourse.nodered.org/t/if-else-function/64702)

<div class="topic-metadata">

**Author:** [@riimeister](https://discourse.nodered.org/u/riimeister)\
**Replies:** 10\
**Last updated:** [5 July 2022 07:39 UTC](https://discourse.nodered.org/t/if-else-function/64702 "2022-07-05T07:39:16Z")

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I'm currently trying to create an if else function but there is a problem when I create the function where there is an error. this is the current flow i made, i want to make flow if msg.payload = 0 he is red if msg.p…

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## [Cant connect to Hue bridge after upgrade](https://discourse.nodered.org/t/cant-connect-to-hue-bridge-after-upgrade/64662)

<div class="topic-metadata">

**Author:** [@Simra0406](https://discourse.nodered.org/u/Simra0406)\
**Replies:** 8\
**Last updated:** [5 July 2022 06:28 UTC](https://discourse.nodered.org/t/cant-connect-to-hue-bridge-after-upgrade/64662 "2022-07-05T06:28:54Z")

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After upgrade of node-red-contrib-huemagic I cant connect to my Hue Bridge anymore,all other flows works. I have also checked the connection key to Hue Bridge API from the server running node-red. Running the followi…

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## [Multiple OPCUA Items into SQL Database](https://discourse.nodered.org/t/multiple-opcua-items-into-sql-database/64674)

<div class="topic-metadata">

**Author:** [@madlen21](https://discourse.nodered.org/u/madlen21)\
**Replies:** 1\
**Last updated:** [5 July 2022 06:20 UTC](https://discourse.nodered.org/t/multiple-opcua-items-into-sql-database/64674 "2022-07-05T06:20:46Z")

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Hey, I created different OPCU-Items to read Values from my PLC and store them in an Microsoft SQL Database. If I use only one Item, read it with the OPCUA Client an write it to the Database with MSSQL-PLUS, everything i…

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## [Node-RED's nrLint](https://discourse.nodered.org/t/node-reds-nrlint/62848)

<div class="topic-metadata">

**Author:** [@Flachmann](https://discourse.nodered.org/u/Flachmann)\
**Replies:** 1\
**Last updated:** [5 July 2022 06:14 UTC](https://discourse.nodered.org/t/node-reds-nrlint/62848 "2022-07-05T06:14:18Z")

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nrLint displays the message 'linting error' in case of detected problems, like this: Then we have to open the Linter tab and search for the error. If there are many issues this can become quite cumbersome. I'd prefer…

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## [How do I extract values from a JSON string?](https://discourse.nodered.org/t/how-do-i-extract-values-from-a-json-string/64521)

<div class="topic-metadata">

**Author:** [@amit\_meld](https://discourse.nodered.org/u/amit_meld)\
**Replies:** 14\
**Last updated:** [5 July 2022 02:09 UTC](https://discourse.nodered.org/t/how-do-i-extract-values-from-a-json-string/64521 "2022-07-05T02:09:45Z")

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Hello, I am trying to push data to a data platform from a people counting sensor. I am receiving below JSON response from the API. I want to push Incount and outcount seperately to the data platform pool. I have set na…

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## [Raspberry Pi Zero W with mosquitto, node-red, influxdb, grafana, pivpn](https://discourse.nodered.org/t/raspberry-pi-zero-w-with-mosquitto-node-red-influxdb-grafana-pivpn/64634)

<div class="topic-metadata">

**Author:** [@mojgithub](https://discourse.nodered.org/u/mojgithub)\
**Replies:** 8\
**Last updated:** [4 July 2022 20:51 UTC](https://discourse.nodered.org/t/raspberry-pi-zero-w-with-mosquitto-node-red-influxdb-grafana-pivpn/64634 "2022-07-04T20:51:49Z")

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Hi, i would like to put these(mosquitto, node-red, influxdb, grafana, pivpn) on my Rasp Pi hardware. i have tried with my Raspberry Pi Zero W but i guess it is not capable of handling all this stuff(single CPU). After …

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## [Node-Red can neither be installed, started, nor uninstalled](https://discourse.nodered.org/t/node-red-can-neither-be-installed-started-nor-uninstalled/64692)

<div class="topic-metadata">

**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 1\
**Last updated:** [4 July 2022 20:26 UTC](https://discourse.nodered.org/t/node-red-can-neither-be-installed-started-nor-uninstalled/64692 "2022-07-04T20:26:37Z")

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Hi there, I tried to install node-red on my Raspi 3+B (with an older version of raspian) using this link: https://nodered.org/docs/getting-started/raspberrypi First it looked fine, but when I tried to start it, I got …

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## [Time series database](https://discourse.nodered.org/t/time-series-database/64680)

<div class="topic-metadata">

**Author:** [@cjrawlins](https://discourse.nodered.org/u/cjrawlins)\
**Replies:** 5\
**Last updated:** [4 July 2022 18:43 UTC](https://discourse.nodered.org/t/time-series-database/64680 "2022-07-04T18:43:16Z")

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Hi All, I am looking for some suggestions. Have any of you set up a Node-red server and stored the incoming data in a time series database? If so, which db have you found works best and is easy to use? Thanks in adva…

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## [How many Switch nodes are way too many?](https://discourse.nodered.org/t/how-many-switch-nodes-are-way-too-many/64597)

<div class="topic-metadata">

**Author:** [@carvi21](https://discourse.nodered.org/u/carvi21)\
**Replies:** 3\
**Last updated:** [2 July 2022 00:17 UTC](https://discourse.nodered.org/t/how-many-switch-nodes-are-way-too-many/64597 "2022-07-02T00:17:27Z")

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hi guys I am new to using node red and am currently in a dilemma on how to proceed with the project. It is an alarm system focused on the activation of remote panic buttons, the alert system is intended to be used with…

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## [Send Msg Once - Monitoring Grid](https://discourse.nodered.org/t/send-msg-once-monitoring-grid/64669)

<div class="topic-metadata">

**Author:** [@mynoderocks](https://discourse.nodered.org/u/mynoderocks)\
**Replies:** 4\
**Last updated:** [4 July 2022 14:42 UTC](https://discourse.nodered.org/t/send-msg-once-monitoring-grid/64669 "2022-07-04T14:42:18Z")

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Hi all, I have the following use case: Monitor the Grid Voltage (in my country we busy going through Load reduction constantly). What I am trying to achieve is the following: Grid goes below 200V - Do a bunch of thin…

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## [How to Click push button send value to mqtt](https://discourse.nodered.org/t/how-to-click-push-button-send-value-to-mqtt/64607)

<div class="topic-metadata">

**Author:** [@krowkong](https://discourse.nodered.org/u/krowkong)\
**Replies:** 2\
**Last updated:** [4 July 2022 17:06 UTC](https://discourse.nodered.org/t/how-to-click-push-button-send-value-to-mqtt/64607 "2022-07-04T17:06:02Z")

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I have two problems 1.How to save temperature and humidity values ​​to a CSV file? by splitting into two files Each file provides temperature/humidity and time values. I get the values ​​from MQTT. Example CSV File n…

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## [How to change string text to object](https://discourse.nodered.org/t/how-to-change-string-text-to-object/64681)

<div class="topic-metadata">

**Author:** [@ASMTB](https://discourse.nodered.org/u/ASMTB)\
**Replies:** 4\
**Last updated:** [4 July 2022 14:46 UTC](https://discourse.nodered.org/t/how-to-change-string-text-to-object/64681 "2022-07-04T14:46:36Z")

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This is the output of my device ""timestamp":"2022-07-04T14:37:01.848Z","type":"iBeacon","mac":"AC233FAB83BA","bleName":"","ibeaconUuid":"E2C56DB5DFFB48D2B060D0F5A71096E0","ibeaconMajor":0,"ibeaconMinor":0,"rssi":-20,"i…

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