# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1383

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

**Page:** 1384

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## [Text "label" = global.get("currentLabel")](https://discourse.nodered.org/t/text-label-global-get-currentlabel/1294)

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**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 3\
**Last updated:** [5 July 2018 12:56 UTC](https://discourse.nodered.org/t/text-label-global-get-currentlabel/1294 "2018-07-05T12:56:01Z")

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Is there an easy way to do this. We have a TEXT ‘label’ We want the TEXT ‘label’ to = the Button “label” clicked. TEXT ‘label’ Button1 ‘label’= ABC Button2 'label = DEF When Button 1 is clicked, the Text 'label" sh…

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## [How to size Node-RED?](https://discourse.nodered.org/t/how-to-size-node-red/1332)

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**Author:** [@ahmed\_khater20](https://discourse.nodered.org/u/ahmed_khater20)\
**Replies:** 5\
**Last updated:** [5 July 2018 12:31 UTC](https://discourse.nodered.org/t/how-to-size-node-red/1332 "2018-07-05T12:31:20Z")

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HI, I would like to share with you some use case and i hope to advice if Node-RED can be used for this use case or not. I’m working on Street Lighting System so we have 5-10 senors on each pole sending different data. …

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## [ORM DB library(ies) for Node-JS](https://discourse.nodered.org/t/orm-db-library-ies-for-node-js/1350)

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**Author:** [@igrowing](https://discourse.nodered.org/u/igrowing)\
**Replies:** 0\
**Last updated:** [5 July 2018 10:43 UTC](https://discourse.nodered.org/t/orm-db-library-ies-for-node-js/1350 "2018-07-05T10:43:50Z")

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Typical question of newbie in node-js: should this be in FAQ? The question: Is there in node-JS a library similar to SQLalchemy or peewee in Python? The motivation: Node-Red has number of nodes which can access datab…

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## [Worldmap - How to add geojson building](https://discourse.nodered.org/t/worldmap-how-to-add-geojson-building/1299)

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**Author:** [@mylentisl01](https://discourse.nodered.org/u/mylentisl01)\
**Replies:** 2\
**Last updated:** [5 July 2018 00:28 UTC](https://discourse.nodered.org/t/worldmap-how-to-add-geojson-building/1299 "2018-07-05T00:28:50Z")

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Hi one and all, I am new to node-red, so sorry if this is a dumb question. (I did search the forum and could not find anything) My question is does worldmap3d support the extrusion of custom buildings via payload. So f…

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## [Keeping information about Exec Node](https://discourse.nodered.org/t/keeping-information-about-exec-node/1317)

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**Author:** [@Bhoemio](https://discourse.nodered.org/u/Bhoemio)\
**Replies:** 0\
**Last updated:** [4 July 2018 14:43 UTC](https://discourse.nodered.org/t/keeping-information-about-exec-node/1317 "2018-07-04T14:43:12Z")

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Hello everyone. In trying to use an Exec Node to run a program that will connect to a car wich works by the way, but when I create another Exec Node to collect this information of connection, and using this collect info…

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## [Date format in exec node](https://discourse.nodered.org/t/date-format-in-exec-node/1328)

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**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\
**Replies:** 11\
**Last updated:** [4 July 2018 21:43 UTC](https://discourse.nodered.org/t/date-format-in-exec-node/1328 "2018-07-04T21:43:11Z")

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Good afternoon I don’t know why but after my latest update I have an issue with the exec node I’m using in order to get some data. The most simple is running just the command “date”, previously was working fine and if …

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## [Proposed change to join node default behaviour](https://discourse.nodered.org/t/proposed-change-to-join-node-default-behaviour/1265)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 6\
**Last updated:** [4 July 2018 21:34 UTC](https://discourse.nodered.org/t/proposed-change-to-join-node-default-behaviour/1265 "2018-07-04T21:34:56Z")

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Currently the Join node will use the last message to arrive a the “template” for the outgoing message. The payload contains the joined up parts of the message. What this means is that any properties above payload (i.e. d…

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## [Bigtimer controlled from UI](https://discourse.nodered.org/t/bigtimer-controlled-from-ui/1333)

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**Author:** [@Npizza](https://discourse.nodered.org/u/Npizza)\
**Replies:** 1\
**Last updated:** [4 July 2018 19:35 UTC](https://discourse.nodered.org/t/bigtimer-controlled-from-ui/1333 "2018-07-04T19:35:58Z")

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Hi I am trying to create my garden a little more automated and I am trying to make a UI that set up the settings at the Bigtimer node. Is it possible? I am a little noob with that and I don’t know where look. Can someone…

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## [Gauge label doesn't work with {{msg.topic}}](https://discourse.nodered.org/t/gauge-label-doesnt-work-with-msg-topic/1321)

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**Author:** [@infosmick](https://discourse.nodered.org/u/infosmick)\
**Replies:** 2\
**Last updated:** [4 July 2018 15:54 UTC](https://discourse.nodered.org/t/gauge-label-doesnt-work-with-msg-topic/1321 "2018-07-04T15:54:23Z")

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Setting Label with {{msg.topic}} The topic is setted by change node This is the flow \[ { "id": "ed4796d7.57501", "type": "ui\_gauge", "z": "1e58ad1d.519583", "name": "", "g…

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## [Enuspace + tensorflow / flow based programming](https://discourse.nodered.org/t/enuspace-tensorflow-flow-based-programming/1315)

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**Author:** [@johndpope](https://discourse.nodered.org/u/johndpope)\
**Replies:** 0\
**Last updated:** [4 July 2018 14:05 UTC](https://discourse.nodered.org/t/enuspace-tensorflow-flow-based-programming/1315 "2018-07-04T14:05:39Z")

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I plugged in the node-red vscode plugin and love it. I draw your attention to Expansin & Universal Co., ltd in South Korea - where these guys are doing IOT for IDE called enuspace. This is probably most relevant to you…

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## [Oauth2 with http](https://discourse.nodered.org/t/oauth2-with-http/1312)

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**Author:** [@bidyutper](https://discourse.nodered.org/u/bidyutper)\
**Replies:** 0\
**Last updated:** [4 July 2018 11:35 UTC](https://discourse.nodered.org/t/oauth2-with-http/1312 "2018-07-04T11:35:21Z")

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Need help I want to Post/Get some sensor data via Rpi to Oauth2 protected http API. { "type": "HTTP\_Sensor", "deviceId": "DFRT", "clientId": "1OnTq6Gfsfr7bIxxxxFUa", "clientSecret": "fsfrgSERttkl2220etx9p2awO00a", …

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## [Is it okay to use global Javascript functions?](https://discourse.nodered.org/t/is-it-okay-to-use-global-javascript-functions/1306)

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**Author:** [@michaelblight](https://discourse.nodered.org/u/michaelblight)\
**Replies:** 6\
**Last updated:** [4 July 2018 10:55 UTC](https://discourse.nodered.org/t/is-it-okay-to-use-global-javascript-functions/1306 "2018-07-04T10:55:02Z")

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I have a few utility Javascript functions (eg. formatting date/time) that are used by a number of flows. At the moment I’m using global.set to store them, and global.get any time I want to call them. The storing gets kic…

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## [A few questions about sensors and node-red (as well dht isn't working)](https://discourse.nodered.org/t/a-few-questions-about-sensors-and-node-red-as-well-dht-isnt-working/1210)

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**Author:** [@jordan](https://discourse.nodered.org/u/jordan)\
**Replies:** 5\
**Last updated:** [4 July 2018 10:16 UTC](https://discourse.nodered.org/t/a-few-questions-about-sensors-and-node-red-as-well-dht-isnt-working/1210 "2018-07-04T10:16:15Z")

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Hi there, I am running Raspberry Pi with 2018-03-13-raspbian-stretch. I am trying to set up the DHT-22 sensor with node-red but isn’t working. The debug says 'TypeError: failed to initialize". If I run python code fr…

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## [Strange node.status "defaults"](https://discourse.nodered.org/t/strange-node-status-defaults/1300)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 1\
**Last updated:** [4 July 2018 09:34 UTC](https://discourse.nodered.org/t/strange-node-status-defaults/1300 "2018-07-04T09:34:49Z")

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While experimenting with the status display provided by the function node in the editor, I have run into some odd results that occur when properties of the status object are undefined or invalid. This flow tries to captu…

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## [Node-Red crashes with webshot node](https://discourse.nodered.org/t/node-red-crashes-with-webshot-node/1309)

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**Author:** [@Sgilroy](https://discourse.nodered.org/u/Sgilroy)\
**Replies:** 0\
**Last updated:** [4 July 2018 09:34 UTC](https://discourse.nodered.org/t/node-red-crashes-with-webshot-node/1309 "2018-07-04T09:34:13Z")

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Hi Guys, I’ve been trying to make a node-red flow which captures images from my ip camera and feeds the result int watson visual recognition. To do this I am using the webshot node (node-red-contrib-webshot) the results…

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## [node-RED making HTTP requests when starting up](https://discourse.nodered.org/t/node-red-making-http-requests-when-starting-up/1211)

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**Author:** [@cdfx](https://discourse.nodered.org/u/cdfx)\
**Replies:** 18\
**Last updated:** [4 July 2018 09:26 UTC](https://discourse.nodered.org/t/node-red-making-http-requests-when-starting-up/1211 "2018-07-04T09:26:12Z")

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I needed to make use of the HTTP endpoint of the switches because the MQTT functionality of the switches did behave really weird and after hours of checking the configs and digging in the code, I had given up. So I crea…

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## [Update-rc.d not running](https://discourse.nodered.org/t/update-rc-d-not-running/1297)

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**Author:** [@mshaz](https://discourse.nodered.org/u/mshaz)\
**Replies:** 2\
**Last updated:** [4 July 2018 08:13 UTC](https://discourse.nodered.org/t/update-rc-d-not-running/1297 "2018-07-04T08:13:55Z")

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I m sorry if this is not relate to node-red but my whole system runs on it and i cant get the gsm running on boot. I followed this tutorial https://lawrencematthew.wordpress.com/2013/08/07/connect-raspberry-pi-to-a-3g-n…

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## [How to connect custom board with node-red](https://discourse.nodered.org/t/how-to-connect-custom-board-with-node-red/1304)

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**Author:** [@HemangGadhavi](https://discourse.nodered.org/u/HemangGadhavi)\
**Replies:** 8\
**Last updated:** [4 July 2018 07:30 UTC](https://discourse.nodered.org/t/how-to-connect-custom-board-with-node-red/1304 "2018-07-04T07:30:57Z")

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Hi, I am a beginner in node red. I have a custom board which has a Qualcomm processor so, my question is how I connect this board with node red.

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## [Node.error() not caught in Catch node](https://discourse.nodered.org/t/node-error-not-caught-in-catch-node/1301)

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**Author:** [@chainhead](https://discourse.nodered.org/u/chainhead)\
**Replies:** 2\
**Last updated:** [4 July 2018 06:13 UTC](https://discourse.nodered.org/t/node-error-not-caught-in-catch-node/1301 "2018-07-04T06:13:32Z")

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By default, will an error raised by node.error() be caught by Catch node. If not, why? Or, in which circumstances, will the Catch node not catch a node.error()? Please refer the observations and experiments below. Obse…

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## [Extracting & Appending Data](https://discourse.nodered.org/t/extracting-appending-data/1251)

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**Author:** [@ram1505](https://discourse.nodered.org/u/ram1505)\
**Replies:** 7\
**Last updated:** [4 July 2018 04:02 UTC](https://discourse.nodered.org/t/extracting-appending-data/1251 "2018-07-04T04:02:52Z")

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Hi, I’m trying to extract a chunk of text from my payload and append some text to it. Basically, it is a certificate file that I’m reading using a modem using AT command. I’ll be extracting the contents of the certifica…

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## [Cannot register Node-RED Library](https://discourse.nodered.org/t/cannot-register-node-red-library/1268)

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**Author:** [@k-harada413](https://discourse.nodered.org/u/k-harada413)\
**Replies:** 3\
**Last updated:** [4 July 2018 01:18 UTC](https://discourse.nodered.org/t/cannot-register-node-red-library/1268 "2018-07-04T01:18:22Z")

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Hi I want to publish My Node-Red Nodes, and I registered npm library as follows: https://www.npmjs.com/package/node-red-contrib-nfcpy-id https://www.npmjs.com/package/node-red-contrib-emax-servo But these nodes are n…

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## [Failed to install azure plugin](https://discourse.nodered.org/t/failed-to-install-azure-plugin/1260)

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**Author:** [@SoCold](https://discourse.nodered.org/u/SoCold)\
**Replies:** 2\
**Last updated:** [3 July 2018 23:29 UTC](https://discourse.nodered.org/t/failed-to-install-azure-plugin/1260 "2018-07-03T23:29:25Z")

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Hi. I am trying to install this plugin: https://flows.nodered.org/node/node-red-contrib-azure-table-storage. I am using node-red through IBM Cloud and I am getting these following errors: Installation of module node-re…

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## [Hiding/no show Buttons in Dashboard](https://discourse.nodered.org/t/hiding-no-show-buttons-in-dashboard/1285)

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**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 6\
**Last updated:** [3 July 2018 22:34 UTC](https://discourse.nodered.org/t/hiding-no-show-buttons-in-dashboard/1285 "2018-07-03T22:34:11Z")

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Need some pointer . We would like to have a User Input Page. For example Input 1 = user defined name Input 2= user defined name Input 3 = ‘empty/null’ If the user leaves the field empty, then do not show the Button …

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## [Node-red-node-test-helper](https://discourse.nodered.org/t/node-red-node-test-helper/1283)

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**Author:** [@ncherry](https://discourse.nodered.org/u/ncherry)\
**Replies:** 3\
**Last updated:** [3 July 2018 18:17 UTC](https://discourse.nodered.org/t/node-red-node-test-helper/1283 "2018-07-03T18:17:31Z")

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I’m working on the ‘mytimeout’ node (a countdown node) and I’m trying to add testing. I have three things to bring up 1) I want to add testing to my node. So I went to the node-red create your first Node (unit testing).…

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## [Updated node properties are not persisted](https://discourse.nodered.org/t/updated-node-properties-are-not-persisted/1277)

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**Author:** [@malinthasa](https://discourse.nodered.org/u/malinthasa)\
**Replies:** 2\
**Last updated:** [3 July 2018 17:32 UTC](https://discourse.nodered.org/t/updated-node-properties-are-not-persisted/1277 "2018-07-03T17:32:05Z")

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I have created a node which has 3 properties. My HTML looks like following \<script type="text/javascript"\> RED.nodes.registerType('person-data',{ category: 'function', color: '#a6bbcf', def…

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## [Save data from a sensor using a button](https://discourse.nodered.org/t/save-data-from-a-sensor-using-a-button/1269)

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**Author:** [@gabrieldicieri](https://discourse.nodered.org/u/gabrieldicieri)\
**Replies:** 9\
**Last updated:** [3 July 2018 13:52 UTC](https://discourse.nodered.org/t/save-data-from-a-sensor-using-a-button/1269 "2018-07-03T13:52:06Z")

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I am currently using a GrovePi distance sensor, I would like some ideas as I am new to this area. Would it be possible for me to save in a file to download, the data obtained by the sensor at a certain time? If so, could…

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## [I created a node for the node-red, but it was not added in the Node-RED Flow Library](https://discourse.nodered.org/t/i-created-a-node-for-the-node-red-but-it-was-not-added-in-the-node-red-flow-library/1273)

<div class="topic-metadata">

**Author:** [@GMBN](https://discourse.nodered.org/u/GMBN)\
**Replies:** 3\
**Last updated:** [3 July 2018 13:27 UTC](https://discourse.nodered.org/t/i-created-a-node-for-the-node-red-but-it-was-not-added-in-the-node-red-flow-library/1273 "2018-07-03T13:27:24Z")

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Could someone please help me, is something missing in my code? My Node: https://www.npmjs.com/package/node-red-contrib-readdir

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## [Azure / Event hub configuration issues](https://discourse.nodered.org/t/azure-event-hub-configuration-issues/1246)

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**Author:** [@PK-MO](https://discourse.nodered.org/u/PK-MO)\
**Replies:** 4\
**Last updated:** [3 July 2018 11:35 UTC](https://discourse.nodered.org/t/azure-event-hub-configuration-issues/1246 "2018-07-03T11:35:03Z")

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I’m trying to configure an Azure event hub within a flow. To do this, you need to provide Name, Connection String and Event hub path… When using the Connection string provided in Azure, I encounter the error: TypeError:…

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## [Capture and email camera image](https://discourse.nodered.org/t/capture-and-email-camera-image/1262)

<div class="topic-metadata">

**Author:** [@prgantuk](https://discourse.nodered.org/u/prgantuk)\
**Replies:** 2\
**Last updated:** [3 July 2018 09:17 UTC](https://discourse.nodered.org/t/capture-and-email-camera-image/1262 "2018-07-03T09:17:31Z")

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Hi All I’m trying to capture an image from my CCTV cameras and then email that image to my gmail account, I’m doing this will a http request node and then the email node, however it is not emailing the image from the ca…

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## [Arduino- Node Red Dashboard Separate Sensor Data Logging](https://discourse.nodered.org/t/arduino-node-red-dashboard-separate-sensor-data-logging/1116)

<div class="topic-metadata">

**Author:** [@youthtech](https://discourse.nodered.org/u/youthtech)\
**Replies:** 20\
**Last updated:** [3 July 2018 05:41 UTC](https://discourse.nodered.org/t/arduino-node-red-dashboard-separate-sensor-data-logging/1116 "2018-07-03T05:41:53Z")

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I am using 2 sensors ( photo resistor and temperature, in the middle is just LED and buzzer regarding on the response change with photo resistor sensor) and would like to put up on the gauge and chart in the dashboard. …

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