# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1267

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

**Page:** 1268

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## [Storing data collected from water meter sensor](https://discourse.nodered.org/t/storing-data-collected-from-water-meter-sensor/12152)

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**Author:** [@sritam2](https://discourse.nodered.org/u/sritam2)\
**Replies:** 7\
**Last updated:** [14 June 2019 01:48 UTC](https://discourse.nodered.org/t/storing-data-collected-from-water-meter-sensor/12152 "2019-06-14T01:48:34Z")

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Hi Sir, I am using LoRaWAN water meters. I am able to collect data from these sensors into my created node red node. Now I need to store this data somewhere. I transmit four times a day the water meter data. I want to s…

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## [Show Schedex Time on Dashboard](https://discourse.nodered.org/t/show-schedex-time-on-dashboard/9414)

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**Author:** [@aufruf](https://discourse.nodered.org/u/aufruf)\
**Replies:** 5\
**Last updated:** [25 March 2019 23:06 UTC](https://discourse.nodered.org/t/show-schedex-time-on-dashboard/9414 "2019-03-25T23:06:55Z")

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Hi all, I am trying to show the on and off time of a timer on my Dashboard similar to the little tooltip you have below the Schedex node. My current flow can be seen below: Idea was: On the basis of my configuration…

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## [Telegram node: Independent Senders for bot commands and text messages](https://discourse.nodered.org/t/telegram-node-independent-senders-for-bot-commands-and-text-messages/12148)

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**Author:** [@Spraga](https://discourse.nodered.org/u/Spraga)\
**Replies:** 1\
**Last updated:** [13 June 2019 22:29 UTC](https://discourse.nodered.org/t/telegram-node-independent-senders-for-bot-commands-and-text-messages/12148 "2019-06-13T22:29:36Z")

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I have two input nodes: #1 - catches any incoming message (receiver node) #2 - catches /help command (command node) If you send a random message to the bot, you'll receive an echo message from it If you send /help co…

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## [Dashboard not Appearing in Drop-down menu](https://discourse.nodered.org/t/dashboard-not-appearing-in-drop-down-menu/12194)

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**Author:** [@leftShark2019](https://discourse.nodered.org/u/leftShark2019)\
**Replies:** 8\
**Last updated:** [13 June 2019 21:13 UTC](https://discourse.nodered.org/t/dashboard-not-appearing-in-drop-down-menu/12194 "2019-06-13T21:13:51Z")

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Hello, After npm installing node-red-dashboard (I made sure to "npm init" the directory my dependencies were going into first) I rebooted my instance and the dashboard didn't appear in the dropdown menu below the main m…

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## [Postgres Listen/Notify -Listeners increase per every flow deploy](https://discourse.nodered.org/t/postgres-listen-notify-listeners-increase-per-every-flow-deploy/12198)

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**Author:** [@novak](https://discourse.nodered.org/u/novak)\
**Replies:** 2\
**Last updated:** [13 June 2019 21:40 UTC](https://discourse.nodered.org/t/postgres-listen-notify-listeners-increase-per-every-flow-deploy/12198 "2019-06-13T21:40:48Z")

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I'm using pg.Client.Query(LISTEN \[Channel\]) in a function node. My flow starts once with inject node. I had noticed that per every deploy of the flow the number of listeners increases, meaning per every notified postgr…

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## [Worldmap Tracks](https://discourse.nodered.org/t/worldmap-tracks/12150)

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**Author:** [@JhazMedina](https://discourse.nodered.org/u/JhazMedina)\
**Replies:** 6\
**Last updated:** [13 June 2019 20:44 UTC](https://discourse.nodered.org/t/worldmap-tracks/12150 "2019-06-13T20:44:48Z")

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Hi, i'm working with worldmap-tracks and i need to change the color of the lines of every marker, I've read that it is possible to change the color, width and other options, but until now i can't find one example of how …

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## [Chart Legend Refresh](https://discourse.nodered.org/t/chart-legend-refresh/11731)

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**Author:** [@baqwas](https://discourse.nodered.org/u/baqwas)\
**Replies:** 5\
**Last updated:** [13 June 2019 19:45 UTC](https://discourse.nodered.org/t/chart-legend-refresh/11731 "2019-06-13T19:45:14Z")

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Hello, The Legend in a Line Chart retains labels for data no longer being streamed (in my flows under v0.20.5). Is this by design or am I ignorant of some refresh capability? I had six feeds into a single chart but now …

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## [TTN Payload to InluxDB](https://discourse.nodered.org/t/ttn-payload-to-inluxdb/12094)

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**Author:** [@HaVi](https://discourse.nodered.org/u/HaVi)\
**Replies:** 30\
**Last updated:** [13 June 2019 15:16 UTC](https://discourse.nodered.org/t/ttn-payload-to-inluxdb/12094 "2019-06-13T15:16:15Z")

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From a LoRaWan TTN node I get next payload: The path to value 3908 is payload\_fields.echteld. The value 3908 (“echteld”) must be saved in an Influx DB (without password) on 192.168.2.185 named “waterstanden” via the …

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## [CSV ,Add extra column header to existing CSV file](https://discourse.nodered.org/t/csv-add-extra-column-header-to-existing-csv-file/12039)

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**Author:** [@Loi](https://discourse.nodered.org/u/Loi)\
**Replies:** 22\
**Last updated:** [13 June 2019 15:03 UTC](https://discourse.nodered.org/t/csv-add-extra-column-header-to-existing-csv-file/12039 "2019-06-13T15:03:15Z")

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Hi, Im having a problem adding another header column to an existing CSV file. Example, I have an existing CSV file with the following data Header = Time, Temp , Humidity Data = 102236, 16, 45 This csv file con…

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## [Failed to load 'node-red-dashboard/ui\_base Syntax error](https://discourse.nodered.org/t/failed-to-load-node-red-dashboard-ui-base-syntax-error/11844)

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**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 15\
**Last updated:** [13 June 2019 14:23 UTC](https://discourse.nodered.org/t/failed-to-load-node-red-dashboard-ui-base-syntax-error/11844 "2019-06-13T14:23:07Z")

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For some reason I've had the following "Failed to load 'node-red-dashboard" error appear for two dashboard items, one for ui\_switch and one for us\_base and as a result I cannot seem to access the dashboard now I was abl…

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## [S7comm node, Float presicion](https://discourse.nodered.org/t/s7comm-node-float-presicion/12161)

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**Author:** [@layoroa](https://discourse.nodered.org/u/layoroa)\
**Replies:** 3\
**Last updated:** [13 June 2019 12:52 UTC](https://discourse.nodered.org/t/s7comm-node-float-presicion/12161 "2019-06-13T12:52:41Z")

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Hello, I am reading approximately 100 variables of a PLC, using the "all variables" mode, the floating ones return values ​​such as "28.28429031372" and I only need to have a presicion of 5 digits. When using the output…

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## [SQL Select calculation](https://discourse.nodered.org/t/sql-select-calculation/12170)

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**Author:** [@Carloj](https://discourse.nodered.org/u/Carloj)\
**Replies:** 3\
**Last updated:** [13 June 2019 12:35 UTC](https://discourse.nodered.org/t/sql-select-calculation/12170 "2019-06-13T12:35:46Z")

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Im trying to select a calculation out of my database. \[{"id":"8db08aab.865c88","type":"mysql","z":"1f216cc0.281a93","mydb":"23c1ad96.82d712","name":"","x":550,"y":1400,"wires":\[\["8f679bb2.aa3e18"\]\]},{"id":"34d9ace1.488f…

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## [Convert pulse signal tot continuous signal](https://discourse.nodered.org/t/convert-pulse-signal-tot-continuous-signal/12177)

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**Author:** [@Carloj](https://discourse.nodered.org/u/Carloj)\
**Replies:** 1\
**Last updated:** [13 June 2019 11:25 UTC](https://discourse.nodered.org/t/convert-pulse-signal-tot-continuous-signal/12177 "2019-06-13T11:25:28Z")

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I got pulse signal that come's in every x miliseconds. Now i want to convert this signal to a continuous signal. So when it receives a pulse it should go on(send a 1) and when there is no pulse detected for 5 seconds it …

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## [Convert to sub-flows](https://discourse.nodered.org/t/convert-to-sub-flows/12169)

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**Author:** [@rsenden](https://discourse.nodered.org/u/rsenden)\
**Replies:** 2\
**Last updated:** [13 June 2019 10:56 UTC](https://discourse.nodered.org/t/convert-to-sub-flows/12169 "2019-06-13T10:56:43Z")

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I have defined the following flow in Node-RED: Various flows connect to the OUT\_RFX input link to send messages to RFXCom devices. Any incoming messages are also replicated to the OUT\_RFX\_RECEIVED output link to allow…

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## [How to generate RTMP URL and Stream Key](https://discourse.nodered.org/t/how-to-generate-rtmp-url-and-stream-key/12176)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 2\
**Last updated:** [13 June 2019 09:51 UTC](https://discourse.nodered.org/t/how-to-generate-rtmp-url-and-stream-key/12176 "2019-06-13T09:51:18Z")

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is it possible to generate rtmp url with stream key in NR. I have instlled encoder node but it doesn't provides me what i need !! Thanks in advance.

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## [How to get text input value](https://discourse.nodered.org/t/how-to-get-text-input-value/6386)

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**Author:** [@lucianv](https://discourse.nodered.org/u/lucianv)\
**Replies:** 9\
**Last updated:** [13 June 2019 09:40 UTC](https://discourse.nodered.org/t/how-to-get-text-input-value/6386 "2019-06-13T09:40:12Z")

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Hi all, I have a flow where I have a text input. I do a select from a db and fill the data in that text input. Then I want to change that text and save it (means do another query and update it in db). I managed to put …

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## [Type Error when starting Node-RED](https://discourse.nodered.org/t/type-error-when-starting-node-red/12156)

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**Author:** [@dnysteve](https://discourse.nodered.org/u/dnysteve)\
**Replies:** 3\
**Last updated:** [13 June 2019 08:22 UTC](https://discourse.nodered.org/t/type-error-when-starting-node-red/12156 "2019-06-13T08:22:55Z")

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Hello, i have encounter this during starting up my node-red 12 Jun 15:21:20 - \[info\] Starting flows TypeError: Cannot read property 'id' of undefined at remapSubflowNodes (/usr/lib/node\_modules/node-red/node\_modules/@…

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## [How to insert a live stream video from my mobile into dashboards](https://discourse.nodered.org/t/how-to-insert-a-live-stream-video-from-my-mobile-into-dashboards/12035)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 16\
**Last updated:** [13 June 2019 06:56 UTC](https://discourse.nodered.org/t/how-to-insert-a-live-stream-video-from-my-mobile-into-dashboards/12035 "2019-06-13T06:56:55Z")

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i want to insert live video into my dashboard.? Any help ?

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## [Cannot join in 'auto' mode](https://discourse.nodered.org/t/cannot-join-in-auto-mode/12089)

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**Author:** [@leftShark2019](https://discourse.nodered.org/u/leftShark2019)\
**Replies:** 7\
**Last updated:** [13 June 2019 06:19 UTC](https://discourse.nodered.org/t/cannot-join-in-auto-mode/12089 "2019-06-13T06:19:24Z")

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I keep receiving a "Message missing msg.parts property - cannot join in 'auto' mode" error when I try to publish a message from HiveMQ. I've looked into the source code on multiple repos (GitHub and Git Lab) that might …

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## [Broker not sending messages](https://discourse.nodered.org/t/broker-not-sending-messages/12133)

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**Author:** [@leftShark2019](https://discourse.nodered.org/u/leftShark2019)\
**Replies:** 2\
**Last updated:** [13 June 2019 04:20 UTC](https://discourse.nodered.org/t/broker-not-sending-messages/12133 "2019-06-13T04:20:01Z")

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Hello, I'm using a public broker (HiveMQ) to connect to my bluemix node-red instance, and when I publish a message from HiveMQ, it's not appearing in my output nodes (debug). I've tried messing with the port it connects…

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## [How to display video from phone in dashboard via protocol RTMP](https://discourse.nodered.org/t/how-to-display-video-from-phone-in-dashboard-via-protocol-rtmp/12098)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 9\
**Last updated:** [12 June 2019 19:42 UTC](https://discourse.nodered.org/t/how-to-display-video-from-phone-in-dashboard-via-protocol-rtmp/12098 "2019-06-12T19:42:04Z")

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How can i be able to display video played on mobile phone via RTMP inside iframe in NR dashboard ?

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## [dropdown, switch and button ](https://discourse.nodered.org/t/dropdown-switch-and-button/12138)

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**Author:** [@Stroked\_Papy](https://discourse.nodered.org/u/Stroked_Papy)\
**Replies:** 1\
**Last updated:** [12 June 2019 18:09 UTC](https://discourse.nodered.org/t/dropdown-switch-and-button/12138 "2019-06-12T18:09:07Z")

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Hello New on node-red loses me with functions I would like to make a small software for raspberry with 2 dropdown, switch and button generate a command I did that but it does not work \[{"id":"e45dceee.e4cea","type":"…

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## [Payload and JS plain object](https://discourse.nodered.org/t/payload-and-js-plain-object/12100)

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**Author:** [@JbIPS](https://discourse.nodered.org/u/JbIPS)\
**Replies:** 5\
**Last updated:** [12 June 2019 13:47 UTC](https://discourse.nodered.org/t/payload-and-js-plain-object/12100 "2019-06-12T13:47:56Z")

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Hi, I'm creating a flow to store form data into a Firestore DB with node-red-contrib-cloud-firestore. On input, the payload contains a object with nested object but when Firestore check it, it fails the test on Object.…

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## [Calculate up and downtime](https://discourse.nodered.org/t/calculate-up-and-downtime/12105)

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**Author:** [@Carloj](https://discourse.nodered.org/u/Carloj)\
**Replies:** 3\
**Last updated:** [12 June 2019 13:43 UTC](https://discourse.nodered.org/t/calculate-up-and-downtime/12105 "2019-06-12T13:43:27Z")

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Hi, Im trying to make a % up time of a machine. The machine sends a MQTT signal to the broker where node-red is running. The signal gets inserted into a mysql database. When the machine is on it publish a 1. When the ma…

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## [Hold a status constant for status](https://discourse.nodered.org/t/hold-a-status-constant-for-status/12112)

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**Author:** [@lozzer65](https://discourse.nodered.org/u/lozzer65)\
**Replies:** 2\
**Last updated:** [12 June 2019 13:31 UTC](https://discourse.nodered.org/t/hold-a-status-constant-for-status/12112 "2019-06-12T13:31:13Z")

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I am trying to show the status of a button using grafana via Influxdb using the discrete plugin. I use the background to set the colour of the button from other nodes. The problem I have is sending a constant value t…

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## [How to access a json object retrieved as a http response](https://discourse.nodered.org/t/how-to-access-a-json-object-retrieved-as-a-http-response/1090)

<div class="topic-metadata">

**Author:** [@sampath6789](https://discourse.nodered.org/u/sampath6789)\
**Replies:** 5\
**Last updated:** [26 June 2018 07:23 UTC](https://discourse.nodered.org/t/how-to-access-a-json-object-retrieved-as-a-http-response/1090 "2018-06-26T07:23:56Z")

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I get a json object as a response to one of my http request. I want to access the elements of it. could any one knows which node to be used for that. Thank you.

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## [Get value from xml](https://discourse.nodered.org/t/get-value-from-xml/5451)

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**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\
**Replies:** 3\
**Last updated:** [4 December 2018 20:17 UTC](https://discourse.nodered.org/t/get-value-from-xml/5451 "2018-12-04T20:17:55Z")

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Hi. Just started with node red. So I maybe not explaining right but I will give it a try. I have read for hours to solve this problem but can't get a solution. I am starting with a http request to get the xml. Then I use…

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## [Parse Data from XML](https://discourse.nodered.org/t/parse-data-from-xml/7347)

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**Author:** [@KevinPamu](https://discourse.nodered.org/u/KevinPamu)\
**Replies:** 15\
**Last updated:** [6 March 2019 14:04 UTC](https://discourse.nodered.org/t/parse-data-from-xml/7347 "2019-03-06T14:04:38Z")

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Hi, I am still learning node-red, I was able to complete one part of the project recently thanks to all of your help. I now have another part of the project I am stuck on. I have a XML file that I needed to parse data f…

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## [Trigger event if reset topic/message was not been received, after alarm msg](https://discourse.nodered.org/t/trigger-event-if-reset-topic-message-was-not-been-received-after-alarm-msg/12103)

<div class="topic-metadata">

**Author:** [@georgelza](https://discourse.nodered.org/u/georgelza)\
**Replies:** 2\
**Last updated:** [12 June 2019 11:50 UTC](https://discourse.nodered.org/t/trigger-event-if-reset-topic-message-was-not-been-received-after-alarm-msg/12103 "2019-06-12T11:50:41Z")

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Hi all. I'm getting a message on a mqtt topic when grid fails, value == 1 Grid Feed value != 1 Grid Failed I want to wait 60 seconds on a Grid Failed message, and first see if grid returns, if not returned then make …

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## [Led question start](https://discourse.nodered.org/t/led-question-start/12005)

<div class="topic-metadata">

**Author:** [@Hearnorna](https://discourse.nodered.org/u/Hearnorna)\
**Replies:** 17\
**Last updated:** [12 June 2019 11:42 UTC](https://discourse.nodered.org/t/led-question-start/12005 "2019-06-12T11:42:23Z")

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I am using the tree plum pie, I want another NODE-RED. At the beginning, the GPIO is OUTPUT and then the sensing component senses something. In the other original OUTPUT becomes INPUT, the first part is set to OUTPUT at …

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