# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1108

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

**Page:** 1109

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## [Multiple choice select for drop down dashboard node](https://discourse.nodered.org/t/multiple-choice-select-for-drop-down-dashboard-node/25427)

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**Author:** [@namgk](https://discourse.nodered.org/u/namgk)\
**Replies:** 0\
**Last updated:** [24 April 2020 14:46 UTC](https://discourse.nodered.org/t/multiple-choice-select-for-drop-down-dashboard-node/25427 "2020-04-24T14:46:37Z")

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Hi there, Is there any interest on supporting multiple choice for the dropdown dashboard node? Currently it only allow one single choice. There are some use case, for example, a dashboard to draw data from multiple se…

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## [🎉 Node-RED 1.0.6 released](https://discourse.nodered.org/t/node-red-1-0-6-released/25420)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 1\
**Last updated:** [24 April 2020 14:36 UTC](https://discourse.nodered.org/t/node-red-1-0-6-released/25420 "2020-04-24T14:36:39Z")

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Node-RED 1.0.6 has been released. A regression has been identified in the version of the cron module we upgraded to 1.0.5. This module is used by the Inject node. We've reverted back to the previous version of the modul…

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## [OMRON BCD format](https://discourse.nodered.org/t/omron-bcd-format/24847)

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**Author:** [@farcry](https://discourse.nodered.org/u/farcry)\
**Replies:** 7\
**Last updated:** [24 April 2020 11:25 UTC](https://discourse.nodered.org/t/omron-bcd-format/24847 "2020-04-24T11:25:18Z")

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Hello. I'm comunicating with OMRON using FINS. In ledder (Omron) I use BCD values for variables (older project). How can I convert / get the right BCD value? Thanks. BR, Andrej.

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## [ModBus TCP Read 64-bit registers](https://discourse.nodered.org/t/modbus-tcp-read-64-bit-registers/25402)

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**Author:** [@Job-Hoogeboom](https://discourse.nodered.org/u/Job-Hoogeboom)\
**Replies:** 34\
**Last updated:** [24 April 2020 10:14 UTC](https://discourse.nodered.org/t/modbus-tcp-read-64-bit-registers/25402 "2020-04-24T10:14:58Z")

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Dear community members, I am trying to read some parameters from a Schneider Electric Smartlink SI D Power meter via Modbus TCP but I do not know how to read the Watthours, I can read the Voltage, Amperage, and Wattage, …

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## [Dynamic Network Map](https://discourse.nodered.org/t/dynamic-network-map/25406)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 6\
**Last updated:** [24 April 2020 10:02 UTC](https://discourse.nodered.org/t/dynamic-network-map/25406 "2020-04-24T10:02:06Z")

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I have been working on a network map that shows the current reachability of my network devices. The map is created using d3 (which fortunately is already available in node-red/dashboard). One inject node describes t…

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## [Selection slider to switch between to msg.payload](https://discourse.nodered.org/t/selection-slider-to-switch-between-to-msg-payload/25364)

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**Author:** [@Cedric](https://discourse.nodered.org/u/Cedric)\
**Replies:** 0\
**Last updated:** [23 April 2020 14:35 UTC](https://discourse.nodered.org/t/selection-slider-to-switch-between-to-msg-payload/25364 "2020-04-23T14:35:42Z")

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Hi I want to switch between two dashboard inputs. One from a dropdown and one numeric flexible input. With the slider I want to switch between the 2 calculations. How should I solve this? Thank you for your support…

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## [Problem with Postgres and timestamp values](https://discourse.nodered.org/t/problem-with-postgres-and-timestamp-values/25405)

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**Author:** [@MrPec](https://discourse.nodered.org/u/MrPec)\
**Replies:** 5\
**Last updated:** [24 April 2020 09:26 UTC](https://discourse.nodered.org/t/problem-with-postgres-and-timestamp-values/25405 "2020-04-24T09:26:23Z")

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Hi all, I have the following scenario: Database A has a table along with several timestamp columns Database B has the exact same schema for that table I want to read rows from A and insert them in B. Sounds easy? :s…

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## [MODBUS 16bit SIGNED INTEGER](https://discourse.nodered.org/t/modbus-16bit-signed-integer/25362)

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**Author:** [@farcry](https://discourse.nodered.org/u/farcry)\
**Replies:** 7\
**Last updated:** [24 April 2020 08:10 UTC](https://discourse.nodered.org/t/modbus-16bit-signed-integer/25362 "2020-04-24T08:10:46Z")

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Hello. I'm reading MODBUS holding registers. On register 0 the value is -35 (signed). If I show this value in gage the value is 65501 (unsigned). How can I show SIGNED INTEGER? Thanks. BR.

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## [Node-red-contrib-ui-state-trail problem](https://discourse.nodered.org/t/node-red-contrib-ui-state-trail-problem/24749)

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**Author:** [@jan-k](https://discourse.nodered.org/u/jan-k)\
**Replies:** 10\
**Last updated:** [24 April 2020 06:58 UTC](https://discourse.nodered.org/t/node-red-contrib-ui-state-trail-problem/24749 "2020-04-24T06:58:18Z")

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Greetings everyone, I had created a CSV file with two column of data which are "state" and "timestamp". Then, I tried to wrote some true/false and timestamp into the CSV file. But when I tried to read the CSV to the s…

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## [APLN Node-Red support MQTT](https://discourse.nodered.org/t/apln-node-red-support-mqtt/25398)

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**Author:** [@New2Node](https://discourse.nodered.org/u/New2Node)\
**Replies:** 0\
**Last updated:** [24 April 2020 06:30 UTC](https://discourse.nodered.org/t/apln-node-red-support-mqtt/25398 "2020-04-24T06:30:45Z")

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Hi, I’ve been using the MQTT node to send messages to my broker (AWS IOT) with great success (SSL/TLS) However, Corporate firewalls and home routers often block inbound and outbound traffic on all ports except port 443 …

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## [AMQP nodes and certificates?](https://discourse.nodered.org/t/amqp-nodes-and-certificates/25394)

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**Author:** [@tommy](https://discourse.nodered.org/u/tommy)\
**Replies:** 0\
**Last updated:** [24 April 2020 03:46 UTC](https://discourse.nodered.org/t/amqp-nodes-and-certificates/25394 "2020-04-24T03:46:30Z")

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Hi all, Im in the need of connecting to an RabbitMQ installation to both send and get messages into Node-Red. To do so I need to connect using credentials and certificate authentication. How ever, Im unable to figure o…

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## [Azure IOT hub - 4 sensors running simultaneously](https://discourse.nodered.org/t/azure-iot-hub-4-sensors-running-simultaneously/25203)

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**Author:** [@Beefy\_carrot](https://discourse.nodered.org/u/Beefy_carrot)\
**Replies:** 4\
**Last updated:** [24 April 2020 00:03 UTC](https://discourse.nodered.org/t/azure-iot-hub-4-sensors-running-simultaneously/25203 "2020-04-24T00:03:35Z")

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Hi! im working with 4 sensors, possibly adding more sensors to the project. My current project has 4 sensors all with their own inject node and azure iot hub. the problem is when all these sensors run, they all send and …

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## [\[Announce\] node-red-contrib-twc-covid19-tracker](https://discourse.nodered.org/t/announce-node-red-contrib-twc-covid19-tracker/25385)

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**Author:** [@johnwalicki](https://discourse.nodered.org/u/johnwalicki)\
**Replies:** 0\
**Last updated:** [23 April 2020 21:29 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-twc-covid19-tracker/25385 "2020-04-23T21:29:39Z")

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The Weather Company unveiled a new disease tracker API for Call for Code developers that aggregrates COVID-19 data from trusted primary sources and tracks where the coronavirus is spreading over time. My recent IBM Deve…

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## [Have I finally lost Weather Underground?](https://discourse.nodered.org/t/have-i-finally-lost-weather-underground/25329)

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**Author:** [@Cathprotech](https://discourse.nodered.org/u/Cathprotech)\
**Replies:** 3\
**Last updated:** [23 April 2020 20:48 UTC](https://discourse.nodered.org/t/have-i-finally-lost-weather-underground/25329 "2020-04-23T20:48:31Z")

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Although free access to Weather Underground was terminated about a year or two ago, I have managed (don't know how) to still have free access up until now. On Monday 20th April I had to go to work for 2 days. All was fi…

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## [Converting Buffer object to CSV or String](https://discourse.nodered.org/t/converting-buffer-object-to-csv-or-string/25363)

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**Author:** [@WImpie](https://discourse.nodered.org/u/WImpie)\
**Replies:** 14\
**Last updated:** [23 April 2020 19:29 UTC](https://discourse.nodered.org/t/converting-buffer-object-to-csv-or-string/25363 "2020-04-23T19:29:53Z")

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How do I convert the buffer object in this screenshot: back to a CSV file:

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## [Using switch node to show actual state](https://discourse.nodered.org/t/using-switch-node-to-show-actual-state/3668)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 6\
**Last updated:** [23 April 2020 19:29 UTC](https://discourse.nodered.org/t/using-switch-node-to-show-actual-state/3668 "2020-04-23T19:29:00Z")

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Using elements of the switch node example - Examples of Colour change button and switch, I've updated my relayboard dashboard, so that the actual, not the expected status is shown by the switch. Flicking a switch sends…

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## [Grafana iframe disappears](https://discourse.nodered.org/t/grafana-iframe-disappears/22235)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 6\
**Last updated:** [23 April 2020 19:02 UTC](https://discourse.nodered.org/t/grafana-iframe-disappears/22235 "2020-04-23T19:02:48Z")

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I'm embedding a grafana chart into my dashboard, an have used this library flow as a starting point. I've made a number of changes to the flow (and yet more to come), and it seems to work OK, except the iframe seems to …

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## [Dropdown titivate](https://discourse.nodered.org/t/dropdown-titivate/25231)

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**Author:** [@muggins](https://discourse.nodered.org/u/muggins)\
**Replies:** 13\
**Last updated:** [23 April 2020 16:20 UTC](https://discourse.nodered.org/t/dropdown-titivate/25231 "2020-04-23T16:20:46Z")

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Hello Is there any way to "jazz up" the dropdown node ... maybe using template to make it bigger, add colour? thanks

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## [Manipulate Vector for Dashboard Chart node](https://discourse.nodered.org/t/manipulate-vector-for-dashboard-chart-node/25298)

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**Author:** [@Sasko](https://discourse.nodered.org/u/Sasko)\
**Replies:** 13\
**Last updated:** [23 April 2020 16:03 UTC](https://discourse.nodered.org/t/manipulate-vector-for-dashboard-chart-node/25298 "2020-04-23T16:03:12Z")

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Hey Community, this is my first post and I hope, that you can help me :slight\_smile: For a task I want to take (battery-) data from a matlab/simulink simulation and sort and output it in the node-red dashboard via the c…

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## [Blink with different On/Off time](https://discourse.nodered.org/t/blink-with-different-on-off-time/25304)

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**Author:** [@LTDS](https://discourse.nodered.org/u/LTDS)\
**Replies:** 5\
**Last updated:** [23 April 2020 14:38 UTC](https://discourse.nodered.org/t/blink-with-different-on-off-time/25304 "2020-04-23T14:38:11Z")

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Hi there ! Once again I'm asking for your support ! I need to trigger an alarm with a blink function but not the typical blink (x sec ON - x sec OFF) but with different On and Off time (x sec ON - y sec OFF) I've found…

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## [How to Decode 16 Bit signed Integer](https://discourse.nodered.org/t/how-to-decode-16-bit-signed-integer/8112)

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**Author:** [@aargollo](https://discourse.nodered.org/u/aargollo)\
**Replies:** 14\
**Last updated:** [23 April 2020 13:46 UTC](https://discourse.nodered.org/t/how-to-decode-16-bit-signed-integer/8112 "2020-04-23T13:46:02Z")

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Hi Guys, I working to get temperature from a smart thermometer and I need to decode bytes w/ 16 bit signed integer to ascii. somebody have a code or node that can decode that can share w/ me? Could you see bellow the b…

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## [⚠️Flow Library not detecting updated modules](https://discourse.nodered.org/t/flow-library-not-detecting-updated-modules/25254)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 5\
**Last updated:** [23 April 2020 13:32 UTC](https://discourse.nodered.org/t/flow-library-not-detecting-updated-modules/25254 "2020-04-23T13:32:54Z")

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Update 23 April 2020 - For the latest on how to add/update nodes to the Flow Library, please see this post. Original post It appears the NPM search index is once again having issues and failing to properly identify mo…

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## [Passing nodered data to other web UI](https://discourse.nodered.org/t/passing-nodered-data-to-other-web-ui/25237)

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**Author:** [@Henjoe](https://discourse.nodered.org/u/Henjoe)\
**Replies:** 5\
**Last updated:** [23 April 2020 12:14 UTC](https://discourse.nodered.org/t/passing-nodered-data-to-other-web-ui/25237 "2020-04-23T12:14:09Z")

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Dear nodered experts, I am having trouble with this, the concept is very simple, let say I have node-red random data (for simulation), and I want this data to be send to other web UI interface. The first thing we conside…

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## [How to make a Shift Register in Node Red?](https://discourse.nodered.org/t/how-to-make-a-shift-register-in-node-red/25353)

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**Author:** [@Jude.Robise](https://discourse.nodered.org/u/Jude.Robise)\
**Replies:** 21\
**Last updated:** [23 April 2020 11:28 UTC](https://discourse.nodered.org/t/how-to-make-a-shift-register-in-node-red/25353 "2020-04-23T11:28:20Z")

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How to make a shift (left) register in node red? Does anybody have a script? I want it to be just like in PLC program. thanks in advance

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## [Raspberry PI connect to RS485](https://discourse.nodered.org/t/raspberry-pi-connect-to-rs485/24502)

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**Author:** [@Bond](https://discourse.nodered.org/u/Bond)\
**Replies:** 40\
**Last updated:** [23 April 2020 10:09 UTC](https://discourse.nodered.org/t/raspberry-pi-connect-to-rs485/24502 "2020-04-23T10:09:04Z")

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Hi everyone, due to the coronavirus, I have to work at home for my project, which is adapted from my co-worker. One part of the project is interfacing as: Raspberry Pi 3 \<-\> RS485 Converter \<-\> speed controllers -\> fans …

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## [Sending CSV Data to MSSQL Server](https://discourse.nodered.org/t/sending-csv-data-to-mssql-server/24922)

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**Author:** [@red\_arrowhead](https://discourse.nodered.org/u/red_arrowhead)\
**Replies:** 12\
**Last updated:** [23 April 2020 09:58 UTC](https://discourse.nodered.org/t/sending-csv-data-to-mssql-server/24922 "2020-04-23T09:58:02Z")

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I am very new to Node-RED and working on my first flow to send CSV data to MSSQL database tables. I have read the data from CSV files, but unable to solve issues to send the data to MSSQL server. I am getting error that …

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## [Install problem node-red-contrib-dmxusbpro](https://discourse.nodered.org/t/install-problem-node-red-contrib-dmxusbpro/25348)

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**Author:** [@zappogb1](https://discourse.nodered.org/u/zappogb1)\
**Replies:** 5\
**Last updated:** [23 April 2020 09:58 UTC](https://discourse.nodered.org/t/install-problem-node-red-contrib-dmxusbpro/25348 "2020-04-23T09:58:18Z")

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when i try to install node-red-contrib-dmxusbpro, i get an error and the node is not installed. I use an Rpi3B with Raspian Stretch and NodeRed in the latest version. The entry in the logfile: "-----------------------…

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## [Windows 10: Failed to start server: Error: Error loading context store: SyntaxError: Unexpected token in JSON at position 0](https://discourse.nodered.org/t/windows-10-failed-to-start-server-error-error-loading-context-store-syntaxerror-unexpected-token-in-json-at-position-0/25337)

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**Author:** [@zainisma](https://discourse.nodered.org/u/zainisma)\
**Replies:** 4\
**Last updated:** [23 April 2020 09:40 UTC](https://discourse.nodered.org/t/windows-10-failed-to-start-server-error-error-loading-context-store-syntaxerror-unexpected-token-in-json-at-position-0/25337 "2020-04-23T09:40:57Z")

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Good day and Hello all, My Node Red Stats: Windows 10, nodered 1.0.5, node.js v 12.16.2, npm v 6.14.4 Everything was working fine yesterday (22 April 2020), up till this morning node red was still running too. Until I …

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## [Newbi needs help with a string](https://discourse.nodered.org/t/newbi-needs-help-with-a-string/25335)

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**Author:** [@lucaspr](https://discourse.nodered.org/u/lucaspr)\
**Replies:** 7\
**Last updated:** [23 April 2020 08:11 UTC](https://discourse.nodered.org/t/newbi-needs-help-with-a-string/25335 "2020-04-23T08:11:38Z")

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Hi, Please bear with me, I'm a total stranger with this. I cannot seem to find my answer with good old google. I'm trying to change the string from my fronius inverter to something that Domoticz is willing to understan…

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## [The DELAY node. Not doing what I want](https://discourse.nodered.org/t/the-delay-node-not-doing-what-i-want/854)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 29\
**Last updated:** [23 April 2020 08:09 UTC](https://discourse.nodered.org/t/the-delay-node-not-doing-what-i-want/854 "2020-04-23T08:09:32Z")

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Sorry folks, I’m at it again. I am wanting a “delay” and the DELAY node seems the right one for it. I have read that it can be adjusted with msg.delay and I am trying to set it with a slider. But it doesn’t seem to wa…

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