# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1346

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

**Page:** 1347

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## [Unable to deploy my flow with websockets](https://discourse.nodered.org/t/unable-to-deploy-my-flow-with-websockets/4803)

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**Author:** [@MMeise](https://discourse.nodered.org/u/MMeise)\
**Replies:** 1\
**Last updated:** [13 November 2018 19:55 UTC](https://discourse.nodered.org/t/unable-to-deploy-my-flow-with-websockets/4803 "2018-11-13T19:55:05Z")

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Hi there, I am running Node-RED 19.5 on Bluemix. Wehen creating a simple flow (or even subflow), I am able to create one or more websocket out nodes and deploy. When using my (more complex) flow, I am unable to create …

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## [Node-Red will not run](https://discourse.nodered.org/t/node-red-will-not-run/4839)

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**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\
**Replies:** 10\
**Last updated:** [13 November 2018 19:51 UTC](https://discourse.nodered.org/t/node-red-will-not-run/4839 "2018-11-13T19:51:41Z")

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I recently was trying to fix another program and rolled back a couple updates to my PC. Now Node-Red will not run. This is what I am seeing: Any suggestions on what to do? Thanks

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## [Notification based on input](https://discourse.nodered.org/t/notification-based-on-input/4797)

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**Author:** [@martinschki](https://discourse.nodered.org/u/martinschki)\
**Replies:** 18\
**Last updated:** [13 November 2018 19:33 UTC](https://discourse.nodered.org/t/notification-based-on-input/4797 "2018-11-13T19:33:31Z")

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Hi there, is it possible to create a notification based on the information coming from the node before? I have some devices where I want to ask for confirmation before chaining the status, e.g. my printer. I want the…

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## [PING - pass in host/target address via msg?](https://discourse.nodered.org/t/ping-pass-in-host-target-address-via-msg/4818)

<div class="topic-metadata">

**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 15\
**Last updated:** [13 November 2018 19:06 UTC](https://discourse.nodered.org/t/ping-pass-in-host-target-address-via-msg/4818 "2018-11-13T19:06:03Z")

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Ping node: Is there any method to pass in the host ip address of the Ping target? We are hardcoding in the PING address and that works ok, but looking for a way to feed in the ip address via msg. THank you

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## [Daily energy usage plus costs](https://discourse.nodered.org/t/daily-energy-usage-plus-costs/4648)

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**Author:** [@Slayer](https://discourse.nodered.org/u/Slayer)\
**Replies:** 5\
**Last updated:** [13 November 2018 17:39 UTC](https://discourse.nodered.org/t/daily-energy-usage-plus-costs/4648 "2018-11-13T17:39:05Z")

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Hi, I have a hassio running with node-red with an usb cable attached to my kamstrup 162 smart meter. This is configured in home assistant and I can see the data and display it on the ui. What I want to do is make a fu…

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## [Inject Node: modified flow deploy vs. full deploy](https://discourse.nodered.org/t/inject-node-modified-flow-deploy-vs-full-deploy/4832)

<div class="topic-metadata">

**Author:** [@Sineos](https://discourse.nodered.org/u/Sineos)\
**Replies:** 4\
**Last updated:** [13 November 2018 18:19 UTC](https://discourse.nodered.org/t/inject-node-modified-flow-deploy-vs-full-deploy/4832 "2018-11-13T18:19:14Z")

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When the inject node is set to "once" it fires upon each full deploy but it does not when deploying only the modified flow. Is there a special reason for this different behavior? Generally speaking I would very much app…

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## [Flow "error" with objects on dashboard](https://discourse.nodered.org/t/flow-error-with-objects-on-dashboard/4764)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 31\
**Last updated:** [13 November 2018 17:15 UTC](https://discourse.nodered.org/t/flow-error-with-objects-on-dashboard/4764 "2018-11-13T17:15:36Z")

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Bad news...... A while ago my main RPI kinda chucked it in. My WAP and NTP, and MAIN RPI isn't working. The WAP suddenly stopped working and because it was running Jessie, I decided to update to Stretch and be done wi…

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## [Error while adding a new flow using the API](https://discourse.nodered.org/t/error-while-adding-a-new-flow-using-the-api/4729)

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**Author:** [@malinthasa](https://discourse.nodered.org/u/malinthasa)\
**Replies:** 16\
**Last updated:** [13 November 2018 14:03 UTC](https://discourse.nodered.org/t/error-while-adding-a-new-flow-using-the-api/4729 "2018-11-13T14:03:32Z")

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Hi, I am trying to add a flow which has two connected nodes (nodeType1 and nodeType2). Following is my code \` var nodes = \[ { "id":"5554e61.aff8018", "labe…

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## [Increase download size of e-mail node](https://discourse.nodered.org/t/increase-download-size-of-e-mail-node/4814)

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**Author:** [@github768484](https://discourse.nodered.org/u/github768484)\
**Replies:** 2\
**Last updated:** [13 November 2018 12:59 UTC](https://discourse.nodered.org/t/increase-download-size-of-e-mail-node/4814 "2018-11-13T12:59:08Z")

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Hello, Is there a way to increase the download size of the email? I'm using gmail and there is no attachment; however, the e-mail node is cutting off the message when downloading. It looks as if the msg.html is limited …

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## [How to use flow variable to format a template node](https://discourse.nodered.org/t/how-to-use-flow-variable-to-format-a-template-node/4815)

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**Author:** [@github768484](https://discourse.nodered.org/u/github768484)\
**Replies:** 2\
**Last updated:** [13 November 2018 12:57 UTC](https://discourse.nodered.org/t/how-to-use-flow-variable-to-format-a-template-node/4815 "2018-11-13T12:57:04Z")

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Hello, I'm trying to change the visual appearance of a template node with a flow.var while displaying the msg.payload. Basically I have three different status for a particulate item on my network. It can be Warning, Deg…

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## [Encoding 4-byte signed value](https://discourse.nodered.org/t/encoding-4-byte-signed-value/4720)

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**Author:** [@aabbas](https://discourse.nodered.org/u/aabbas)\
**Replies:** 2\
**Last updated:** [13 November 2018 11:41 UTC](https://discourse.nodered.org/t/encoding-4-byte-signed-value/4720 "2018-11-13T11:41:07Z")

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Hi, I have a KNX Energy saver and I am using Node-RED to visualize the consumption. The type of msg.payload is 4-byte signed value. " 09/11/2018 à 12:43:50node: 3156fe23.2366e2knx: write : msg.payload : Object object s…

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## [UI Dropdown - get result from SQL](https://discourse.nodered.org/t/ui-dropdown-get-result-from-sql/614)

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**Author:** [@grawsom](https://discourse.nodered.org/u/grawsom)\
**Replies:** 50\
**Last updated:** [12 November 2018 20:22 UTC](https://discourse.nodered.org/t/ui-dropdown-get-result-from-sql/614 "2018-11-12T20:22:44Z")

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Have some data from a MSSQL node that I want to insert as values in a Dropdown node, so I can return the selected value. But have searched high and low, but have not found and examble I can use Data… \[{“Name”:“Name1”}…

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## [Issues after attemp to install open z-wave](https://discourse.nodered.org/t/issues-after-attemp-to-install-open-z-wave/4807)

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**Author:** [@NickB](https://discourse.nodered.org/u/NickB)\
**Replies:** 4\
**Last updated:** [12 November 2018 19:00 UTC](https://discourse.nodered.org/t/issues-after-attemp-to-install-open-z-wave/4807 "2018-11-12T19:00:35Z")

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Hi, I was trying to install open zwave, but after that, nothing workins anymore. I followed these instructions https://github.com/OpenZWave/node-openzwave-shared/blob/master/README-raspbian.md (and I did the easy way ) …

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## [What is FAQ Category for?](https://discourse.nodered.org/t/what-is-faq-category-for/4805)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 3\
**Last updated:** [12 November 2018 18:55 UTC](https://discourse.nodered.org/t/what-is-faq-category-for/4805 "2018-11-12T18:55:22Z")

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Should the FAQ category be reserved for answers to Frequently Asked Questions? I thought the idea of a FAQ category was that one could go there and just find FAQ answers. It doesn't seem to be working like that.

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## [Toast Notification Clearing Question](https://discourse.nodered.org/t/toast-notification-clearing-question/4806)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 0\
**Last updated:** [12 November 2018 16:47 UTC](https://discourse.nodered.org/t/toast-notification-clearing-question/4806 "2018-11-12T16:47:14Z")

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Dear Sirs: I had something prior to this about controlling the Toast Pop Up notification. It's been a while and I must have lost some flows that I thought I could duplicate. And now with the new version of Dashboard t…

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## [ERROR: Failed to open serial port /dev/ttyACM2](https://discourse.nodered.org/t/error-failed-to-open-serial-port-dev-ttyacm2/4665)

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**Author:** [@florent](https://discourse.nodered.org/u/florent)\
**Replies:** 14\
**Last updated:** [12 November 2018 13:58 UTC](https://discourse.nodered.org/t/error-failed-to-open-serial-port-dev-ttyacm2/4665 "2018-11-12T13:58:00Z")

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Hi, How can I change the port ttyACM2 with ttyACM1 with Linux/Stretch in command line ? Node-red doesn't want to start. Before, with ttyACM1 port (usb port), it was ok. I can see the USB ttyACM1 (lsusb /dev) and I kno…

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## [Node red issue when inject message, the MQTT publish node disconnect](https://discourse.nodered.org/t/node-red-issue-when-inject-message-the-mqtt-publish-node-disconnect/4791)

<div class="topic-metadata">

**Author:** [@aimansaufi](https://discourse.nodered.org/u/aimansaufi)\
**Replies:** 3\
**Last updated:** [12 November 2018 12:39 UTC](https://discourse.nodered.org/t/node-red-issue-when-inject-message-the-mqtt-publish-node-disconnect/4791 "2018-11-12T12:39:21Z")

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i have a issue when i'm trying inject the node, the MQTT publish node( the broker that i'm using: \[io.adafruit.com\]) will always become disconnected and the data is not been updated into the my adafruit feeds . I also …

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## [Node-red display error](https://discourse.nodered.org/t/node-red-display-error/4795)

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**Author:** [@oscoidi](https://discourse.nodered.org/u/oscoidi)\
**Replies:** 0\
**Last updated:** [12 November 2018 12:07 UTC](https://discourse.nodered.org/t/node-red-display-error/4795 "2018-11-12T12:07:30Z")

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Hi, I have been trying to install node-red on Windows server 2016 but this error message appears : Even though node-red seems to work some images and icons are not shown: But the most important issue is that the node…

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## [Trying to set template font color based on msg.payload value](https://discourse.nodered.org/t/trying-to-set-template-font-color-based-on-msg-payload-value/4781)

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**Author:** [@jmacle](https://discourse.nodered.org/u/jmacle)\
**Replies:** 1\
**Last updated:** [12 November 2018 11:18 UTC](https://discourse.nodered.org/t/trying-to-set-template-font-color-based-on-msg-payload-value/4781 "2018-11-12T11:18:08Z")

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Hey guys, I'm trying to set a font color in dashboard based on a value received in msg.payload. I've got the following code in the template node, but not having any luck: \<div\>Status:\<b style="color:blue;" id="status"\>U…

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## [Import---\>Examples causing error in console](https://discourse.nodered.org/t/import-examples-causing-error-in-console/4772)

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**Author:** [@jewendt](https://discourse.nodered.org/u/jewendt)\
**Replies:** 1\
**Last updated:** [12 November 2018 07:11 UTC](https://discourse.nodered.org/t/import-examples-causing-error-in-console/4772 "2018-11-12T07:11:07Z")

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Recently when I try and perform and import---\> examples on any node providing example I get an error in the console. Anyone have any ideas? Here is an example I am getting from the moment node. 19.4 Node Red 8.12 Nod…

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## [NCD Wireless Sensor to Azure Time Series Insights](https://discourse.nodered.org/t/ncd-wireless-sensor-to-azure-time-series-insights/4774)

<div class="topic-metadata">

**Author:** [@jewendt](https://discourse.nodered.org/u/jewendt)\
**Replies:** 1\
**Last updated:** [12 November 2018 07:08 UTC](https://discourse.nodered.org/t/ncd-wireless-sensor-to-azure-time-series-insights/4774 "2018-11-12T07:08:44Z")

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Here is my working example to get an NCD wireless vibration sensor into Azure Time Series insights utilizing Azure IOT hub node. The azure IOT hub is then link in via events to a Time Series Insight service. I am doing …

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## [Picture triggered from barcode scan shown on dashboard & stored in azure storage blob](https://discourse.nodered.org/t/picture-triggered-from-barcode-scan-shown-on-dashboard-stored-in-azure-storage-blob/4775)

<div class="topic-metadata">

**Author:** [@jewendt](https://discourse.nodered.org/u/jewendt)\
**Replies:** 1\
**Last updated:** [12 November 2018 07:07 UTC](https://discourse.nodered.org/t/picture-triggered-from-barcode-scan-shown-on-dashboard-stored-in-azure-storage-blob/4775 "2018-11-12T07:07:45Z")

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Hope this helps others out there. This is a complete working application that takes a picture from a webcam via FFMPEG. This application is triggered via a barcode scan and the name of the picture is what ever is scanne…

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## [Saving Data to Google Sheets](https://discourse.nodered.org/t/saving-data-to-google-sheets/4778)

<div class="topic-metadata">

**Author:** [@JPL](https://discourse.nodered.org/u/JPL)\
**Replies:** 1\
**Last updated:** [12 November 2018 07:06 UTC](https://discourse.nodered.org/t/saving-data-to-google-sheets/4778 "2018-11-12T07:06:19Z")

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Looking to save historical data to Google Sheets, but struggling to make it work. I've seen that you use to be able to use Forms to insert the data, but the newer Forms have changed so this option no longer works from wh…

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## [Recovery procedure for flow that keeps erroring](https://discourse.nodered.org/t/recovery-procedure-for-flow-that-keeps-erroring/4776)

<div class="topic-metadata">

**Author:** [@jewendt](https://discourse.nodered.org/u/jewendt)\
**Replies:** 1\
**Last updated:** [12 November 2018 07:04 UTC](https://discourse.nodered.org/t/recovery-procedure-for-flow-that-keeps-erroring/4776 "2018-11-12T07:04:56Z")

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Is there a standard recovery procedure if you accidentally cause a flow that keeps crashing the console before you can fix it and deploy again? I assume that his is why the backup flow is created but I can't seem to fig…

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## [Error in creating CSV from json](https://discourse.nodered.org/t/error-in-creating-csv-from-json/4783)

<div class="topic-metadata">

**Author:** [@AnuragSinghChaudhary](https://discourse.nodered.org/u/AnuragSinghChaudhary)\
**Replies:** 1\
**Last updated:** [12 November 2018 07:02 UTC](https://discourse.nodered.org/t/error-in-creating-csv-from-json/4783 "2018-11-12T07:02:55Z")

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I'm using 4 sensors(DHT11,MQ135,YL69,LDR) with arduino, I'm able to get the values on debug screen in json string, while creating csv, i'm getting only DHT11 values (humidity & temperature) other values are coming as 11…

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## [Flow management and backup](https://discourse.nodered.org/t/flow-management-and-backup/4734)

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**Author:** [@Sineos](https://discourse.nodered.org/u/Sineos)\
**Replies:** 6\
**Last updated:** [12 November 2018 05:47 UTC](https://discourse.nodered.org/t/flow-management-and-backup/4734 "2018-11-12T05:47:01Z")

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Is there a way to: Get a flows name Export a flow's json within a flow Catch a deploy event, i.e. do something on / after each deploy? I know about the projects feature (which is great btw.) but I would like to do wit…

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## [Upgrade of azure-iothub to 1.7.5 causes error in function node](https://discourse.nodered.org/t/upgrade-of-azure-iothub-to-1-7-5-causes-error-in-function-node/4490)

<div class="topic-metadata">

**Author:** [@beneuto](https://discourse.nodered.org/u/beneuto)\
**Replies:** 5\
**Last updated:** [12 November 2018 04:19 UTC](https://discourse.nodered.org/t/upgrade-of-azure-iothub-to-1-7-5-causes-error-in-function-node/4490 "2018-11-12T04:19:31Z")

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The following minimal code works fine in a function node when using azure-iothub@1.7.4 but upgrading to 1.7.5 results in the following error: "TypeError: Callback has to be a Function" This code is minimal and almost s…

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## [Security system rule](https://discourse.nodered.org/t/security-system-rule/4747)

<div class="topic-metadata">

**Author:** [@jjj](https://discourse.nodered.org/u/jjj)\
**Replies:** 10\
**Last updated:** [11 November 2018 21:32 UTC](https://discourse.nodered.org/t/security-system-rule/4747 "2018-11-11T21:32:23Z")

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Hi, im a about to build a home security system. I have several sensors which are sending their data via MQTT to broker (exapmle:"{"RfReceived": {"Sync":15660,"Low":510,"High":1490, "Data":“123456","RfKey":"None"}} "). On…

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## [Mqlight configuration with MQ?](https://discourse.nodered.org/t/mqlight-configuration-with-mq/4770)

<div class="topic-metadata">

**Author:** [@anwarbashir](https://discourse.nodered.org/u/anwarbashir)\
**Replies:** 0\
**Last updated:** [11 November 2018 18:17 UTC](https://discourse.nodered.org/t/mqlight-configuration-with-mq/4770 "2018-11-11T18:17:58Z")

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Hi, I have installed node-red on IBM Cloud Foundry. The deployment includes installation of mqlight nodes. However CF have deprecated mqlight, but they have MQ. On MQ I have configured a queue and user. Is it possible to…

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## [Simple sum gives wrong answer ... I am using get and set](https://discourse.nodered.org/t/simple-sum-gives-wrong-answer-i-am-using-get-and-set/4766)

<div class="topic-metadata">

**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 11\
**Last updated:** [11 November 2018 15:45 UTC](https://discourse.nodered.org/t/simple-sum-gives-wrong-answer-i-am-using-get-and-set/4766 "2018-11-11T15:45:36Z")

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Hi, I have been trying to work out why this doesn't work correctly, but cannot see why it is wrong ? I have a counter that increments by 1 every 5 seconds, that inputs to this function. The answer on the output should…

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