# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=876

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

**Page:** 877

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## [Custom nodes deleted on palette install](https://discourse.nodered.org/t/custom-nodes-deleted-on-palette-install/12114)

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**Author:** [@Andydesjardins](https://discourse.nodered.org/u/Andydesjardins)\
**Replies:** 4\
**Last updated:** [14 June 2019 18:22 UTC](https://discourse.nodered.org/t/custom-nodes-deleted-on-palette-install/12114 "2019-06-14T18:22:37Z")

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Hello, We created 3 custom nodes (that are not to be shared on github). They work well in our environment. But each time we install a palette, they get deleted. I have to recover them throught git. Anyone has any clue …

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## [Flow won't deploy](https://discourse.nodered.org/t/flow-wont-deploy/12203)

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**Author:** [@leftShark2019](https://discourse.nodered.org/u/leftShark2019)\
**Replies:** 6\
**Last updated:** [14 June 2019 15:53 UTC](https://discourse.nodered.org/t/flow-wont-deploy/12203 "2019-06-14T15:53:19Z")

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I'm following an online guide to create a flow that takes pictures using my Raspberry pi. Once I create the nodes and customise them appropriately, the IDE won't let me Deploy the changes. If it helps, I'm using Node.j…

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## [Distributed Node-RED](https://discourse.nodered.org/t/distributed-node-red/12239)

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**Author:** [@caracall](https://discourse.nodered.org/u/caracall)\
**Replies:** 1\
**Last updated:** [14 June 2019 15:01 UTC](https://discourse.nodered.org/t/distributed-node-red/12239 "2019-06-14T15:01:48Z")

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I am using Distributed Node-RED, I set up a simple distributed flow over two machines. This flow consists of one inject node and one debug node, each of them running on different machine. The inject node sends timestamp …

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## [Mysterious Startup notices](https://discourse.nodered.org/t/mysterious-startup-notices/11951)

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**Author:** [@athome](https://discourse.nodered.org/u/athome)\
**Replies:** 12\
**Last updated:** [14 June 2019 14:37 UTC](https://discourse.nodered.org/t/mysterious-startup-notices/11951 "2019-06-14T14:37:01Z")

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I am trying to configure a Node-RED startup flow and have tried both of these techniques: https://cookbook.nodered.org/basic/trigger-on-start https://flows.nodered.org/node/node-red-contrib-startup-trigger It is inter…

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## [GPIO processing speed](https://discourse.nodered.org/t/gpio-processing-speed/12191)

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**Author:** [@Carloj](https://discourse.nodered.org/u/Carloj)\
**Replies:** 21\
**Last updated:** [14 June 2019 12:36 UTC](https://discourse.nodered.org/t/gpio-processing-speed/12191 "2019-06-14T12:36:43Z")

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HI, Im trying to count the amount of signals of a stamping machine. Every 200miliseconds there is a signal. Is this possible to count within node-red and a Raspberry PI 3b+? or is the processing time to count a signal m…

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## [Node red does not start](https://discourse.nodered.org/t/node-red-does-not-start/12219)

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**Author:** [@marc](https://discourse.nodered.org/u/marc)\
**Replies:** 4\
**Last updated:** [14 June 2019 09:33 UTC](https://discourse.nodered.org/t/node-red-does-not-start/12219 "2019-06-14T09:33:13Z")

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hello, Could someone help me with the following question? I first tried to install node red under visual code (extension Node-RED Jun Han). this didn't work. Then via cmd of windows and this didn't work either. I recei…

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## [Port label tab missing at Function node](https://discourse.nodered.org/t/port-label-tab-missing-at-function-node/12171)

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**Author:** [@muharremsari](https://discourse.nodered.org/u/muharremsari)\
**Replies:** 4\
**Last updated:** [14 June 2019 09:27 UTC](https://discourse.nodered.org/t/port-label-tab-missing-at-function-node/12171 "2019-06-14T09:27:57Z")

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I will create Email Alerts & Notifications for events but portlable missing at Function node. I use function node for message class eg. warning, critical, normal.

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## [Basics,Faster LED Blink,Set/Get function: mosquito into an elephant](https://discourse.nodered.org/t/basics-faster-led-blink-set-get-function-mosquito-into-an-elephant/12168)

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**Author:** [@RoundTriangle](https://discourse.nodered.org/u/RoundTriangle)\
**Replies:** 15\
**Last updated:** [14 June 2019 09:27 UTC](https://discourse.nodered.org/t/basics-faster-led-blink-set-get-function-mosquito-into-an-elephant/12168 "2019-06-14T09:27:44Z")

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Hey Dear Node-Red Forum. I am still new to Node-Red I have serveral questions, for you maybe basic, maybe i am just stupid, but its making me crazy(a chat would be nice instead of this thousend of topics.).. anyway: I…

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## [Convert msg.object to a new msg.object (function)](https://discourse.nodered.org/t/convert-msg-object-to-a-new-msg-object-function/12141)

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**Author:** [@E\_T](https://discourse.nodered.org/u/E_T)\
**Replies:** 4\
**Last updated:** [14 June 2019 04:52 UTC](https://discourse.nodered.org/t/convert-msg-object-to-a-new-msg-object-function/12141 "2019-06-14T04:52:12Z")

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Hallo, i need an msg-object for the World-Map like this: {"name":"Test", "lat":52.31, "lon":7.05} i got an msg-object like this: My idea var payload=msg.payload; var newMsg = {"name":"Test", "lat":52.31, "lon":7.…

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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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## [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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## [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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## [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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## [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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## [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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## [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)

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**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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## [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)

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**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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