# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=790

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

**Page:** 791

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## [Windows - Settings.js](https://discourse.nodered.org/t/windows-settings-js/22256)

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**Author:** [@spyder0552](https://discourse.nodered.org/u/spyder0552)\
**Replies:** 2\
**Last updated:** [26 February 2020 07:58 UTC](https://discourse.nodered.org/t/windows-settings-js/22256 "2020-02-26T07:58:42Z")

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Question for the group. I am trying to have more then one instance of Node-Red running (which I have). However, I would like to now use the options in the settings.js to get some more control, but can't seem to make it …

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## [How can I save 100 payloads to a file then send that file via http](https://discourse.nodered.org/t/how-can-i-save-100-payloads-to-a-file-then-send-that-file-via-http/22266)

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**Author:** [@hackett91](https://discourse.nodered.org/u/hackett91)\
**Replies:** 1\
**Last updated:** [26 February 2020 07:33 UTC](https://discourse.nodered.org/t/how-can-i-save-100-payloads-to-a-file-then-send-that-file-via-http/22266 "2020-02-26T07:33:31Z")

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Basically, I want to save msg.payloads to a file and then send that file over HTTP? (have http code etc) Plus I want to do this continuously. Batch messages via file

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## [Node Red Modules tar file download location](https://discourse.nodered.org/t/node-red-modules-tar-file-download-location/22247)

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**Author:** [@rajasekharmullangi](https://discourse.nodered.org/u/rajasekharmullangi)\
**Replies:** 4\
**Last updated:** [26 February 2020 06:13 UTC](https://discourse.nodered.org/t/node-red-modules-tar-file-download-location/22247 "2020-02-26T06:13:30Z")

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As part of my node red offline up-gradation i want tar file location for below modules. could you please let me know urls/location. node-red-node-mysql-0.0.19.tgz node-red-contrib-ui-level-0.1.23.tgz node-red-node-ui-…

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## [Lidar data reading from Node-Red](https://discourse.nodered.org/t/lidar-data-reading-from-node-red/22175)

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**Author:** [@Jude.Robise](https://discourse.nodered.org/u/Jude.Robise)\
**Replies:** 8\
**Last updated:** [25 February 2020 23:48 UTC](https://discourse.nodered.org/t/lidar-data-reading-from-node-red/22175 "2020-02-25T23:48:35Z")

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Is there any Node-red palette to decode and read Lidar sensor data directly?

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## [Can't find function node (z=0)](https://discourse.nodered.org/t/cant-find-function-node-z-0/22248)

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**Author:** [@RobP](https://discourse.nodered.org/u/RobP)\
**Replies:** 2\
**Last updated:** [25 February 2020 20:52 UTC](https://discourse.nodered.org/t/cant-find-function-node-z-0/22248 "2020-02-25T20:52:02Z")

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Weird problem. I am searching for nodes with a specific string, and the search results show a function node with no tab name or subflow name. When I check the flows.json it shows as "z": 0. If I click the node from the s…

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## [Current State Node doesn´t see Entity ID](https://discourse.nodered.org/t/current-state-node-doesn-t-see-entity-id/11558)

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**Author:** [@IsaTTeN](https://discourse.nodered.org/u/IsaTTeN)\
**Replies:** 6\
**Last updated:** [25 February 2020 17:39 UTC](https://discourse.nodered.org/t/current-state-node-doesn-t-see-entity-id/11558 "2020-02-25T17:39:11Z")

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Hi I´m having a problem with this Flow. It was working well in Home Assistant before the last update. Now it isn´t working properly. This is my flow: And this is how should work: With a single click of Aqara switc…

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## [How to calculate time from now to tomorrow 6 am?](https://discourse.nodered.org/t/how-to-calculate-time-from-now-to-tomorrow-6-am/22241)

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**Author:** [@RalfPfitzner](https://discourse.nodered.org/u/RalfPfitzner)\
**Replies:** 6\
**Last updated:** [25 February 2020 16:11 UTC](https://discourse.nodered.org/t/how-to-calculate-time-from-now-to-tomorrow-6-am/22241 "2020-02-25T16:11:24Z")

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Hi there, I've been reading the post on How to calculate time difference now a bit and would like to calculate the number of hours from now until 6 am tomorrow morning. I need that to know, when to start the charging o…

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## [Systemd start-depencies and network access](https://discourse.nodered.org/t/systemd-start-depencies-and-network-access/22211)

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**Author:** [@mkauli](https://discourse.nodered.org/u/mkauli)\
**Replies:** 5\
**Last updated:** [25 February 2020 12:06 UTC](https://discourse.nodered.org/t/systemd-start-depencies-and-network-access/22211 "2020-02-25T12:06:40Z")

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I had problems using knx-easy - the problem was that knx-easy did't worked direct after a restart. The KNX access only worked after an node-red-restart. My guess was that node-red starts too fast and wants to access the…

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## ["Communication send error: Error: WebSocket is not open: readyState 3 (CLOSED)](https://discourse.nodered.org/t/communication-send-error-error-websocket-is-not-open-readystate-3-closed/22172)

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**Author:** [@TomLi](https://discourse.nodered.org/u/TomLi)\
**Replies:** 17\
**Last updated:** [25 February 2020 09:40 UTC](https://discourse.nodered.org/t/communication-send-error-error-websocket-is-not-open-readystate-3-closed/22172 "2020-02-25T09:40:24Z")

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when I deploy my flow on node-red of raspberry, it always get out ""Communication send error: Error: WebSocket is not open: readyState 3 (CLOSED)", but if I run the same flow on another node-red of raspberry, it doesn't…

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## [Msg.payload data writing to Postgres](https://discourse.nodered.org/t/msg-payload-data-writing-to-postgres/22142)

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**Author:** [@little\_rich](https://discourse.nodered.org/u/little_rich)\
**Replies:** 15\
**Last updated:** [25 February 2020 07:51 UTC](https://discourse.nodered.org/t/msg-payload-data-writing-to-postgres/22142 "2020-02-25T07:51:01Z")

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Hi, I have Node-Red and PostgreSQL running on a RasPi4. From Node-Red I can Create and Drop tables and I can write data into a db table using a standard INSERT statement, so I'm happy the basics are working. I am pick…

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## [RangeError: index out of range error](https://discourse.nodered.org/t/rangeerror-index-out-of-range-error/22220)

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**Author:** [@ime011O](https://discourse.nodered.org/u/ime011O)\
**Replies:** 1\
**Last updated:** [25 February 2020 00:02 UTC](https://discourse.nodered.org/t/rangeerror-index-out-of-range-error/22220 "2020-02-25T00:02:44Z")

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I run Noble on the Raspberry Pi 3 (with Bluetooth) and i receive RSSI values from the nearby beacons that i have. However, if noble is ran the whole time i occasionally get the following error. Please help solve this iss…

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## [http request parameters](https://discourse.nodered.org/t/http-request-parameters/22078)

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**Author:** [@rex](https://discourse.nodered.org/u/rex)\
**Replies:** 2\
**Last updated:** [24 February 2020 22:16 UTC](https://discourse.nodered.org/t/http-request-parameters/22078 "2020-02-24T22:16:23Z")

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I'm trying to set the right parameters for http request, but I'm not able to do it. The query with curl is this: curl -H "Content-Type: application/json" -X GET -d '{"auth\_key":"xf79rra", "payload":null}' https://retep…

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## [How to put ASCII codes in strings](https://discourse.nodered.org/t/how-to-put-ascii-codes-in-strings/22218)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [24 February 2020 22:15 UTC](https://discourse.nodered.org/t/how-to-put-ascii-codes-in-strings/22218 "2020-02-24T22:15:39Z")

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I know this is a dumb question and has been asked before. I've tried searching but I am lacking the ability to word the question in such a way I get the right answer. I want to include CHR$(15) in a message a few times…

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## [Sending Firebase Cloud Messages via node-red-contrib-fcm-push-node](https://discourse.nodered.org/t/sending-firebase-cloud-messages-via-node-red-contrib-fcm-push-node/22165)

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**Author:** [@koverskeid](https://discourse.nodered.org/u/koverskeid)\
**Replies:** 1\
**Last updated:** [24 February 2020 21:35 UTC](https://discourse.nodered.org/t/sending-firebase-cloud-messages-via-node-red-contrib-fcm-push-node/22165 "2020-02-24T21:35:26Z")

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Hi all, I'm trying to use FCM to send notifications from my Raspberry to all devices subscribing to the topic "allDevices". I have added the server key as the environmental variable FCM\_SERVER\_KEY in settings.js. Then…

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## [Deploying the state machine node does not change its status](https://discourse.nodered.org/t/deploying-the-state-machine-node-does-not-change-its-status/22196)

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**Author:** [@techraf](https://discourse.nodered.org/u/techraf)\
**Replies:** 17\
**Last updated:** [24 February 2020 19:47 UTC](https://discourse.nodered.org/t/deploying-the-state-machine-node-does-not-change-its-status/22196 "2020-02-24T19:47:09Z")

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I was under impression that by adding a node to a flow, or moving a node, and deploying the flow through Deploy-Modified Flows the flows containing nodes marked with blue circle should restart. It does not seem to be al…

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## [Node-red no longer connecting to home assistant after reboot](https://discourse.nodered.org/t/node-red-no-longer-connecting-to-home-assistant-after-reboot/22210)

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**Author:** [@GoBooth](https://discourse.nodered.org/u/GoBooth)\
**Replies:** 2\
**Last updated:** [24 February 2020 19:05 UTC](https://discourse.nodered.org/t/node-red-no-longer-connecting-to-home-assistant-after-reboot/22210 "2020-02-24T19:05:00Z")

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Hi Guys, I'm not sure why this is happening, and I'm having a hard time describing my issue as I'm seeing an error (except for the word error) which is proving searching for the answer very difficult. I installed node-…

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## [File node: how to create an uniquely named file every time the node gets data passed through it?](https://discourse.nodered.org/t/file-node-how-to-create-an-uniquely-named-file-every-time-the-node-gets-data-passed-through-it/22177)

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**Author:** [@pseudonoob](https://discourse.nodered.org/u/pseudonoob)\
**Replies:** 7\
**Last updated:** [24 February 2020 18:57 UTC](https://discourse.nodered.org/t/file-node-how-to-create-an-uniquely-named-file-every-time-the-node-gets-data-passed-through-it/22177 "2020-02-24T18:57:14Z")

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My basic flow is getting an image URL, using the image-tools and file-in node to save that image to a file on my local server. I can then forward the new local URL, for home automation purposes. I'm trying to get the fi…

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## [Extract dynamic json object to payload](https://discourse.nodered.org/t/extract-dynamic-json-object-to-payload/22205)

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**Author:** [@jcp](https://discourse.nodered.org/u/jcp)\
**Replies:** 3\
**Last updated:** [24 February 2020 16:18 UTC](https://discourse.nodered.org/t/extract-dynamic-json-object-to-payload/22205 "2020-02-24T16:18:44Z")

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Hi, I am new to node-red and also to javascript. I intend to extract a dynamic key/values from the data\_label object and put it in msg.payload just like the picture attached. How can I achieve this with the function n…

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## [Getting the initial status of nodes](https://discourse.nodered.org/t/getting-the-initial-status-of-nodes/22162)

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**Author:** [@techraf](https://discourse.nodered.org/u/techraf)\
**Replies:** 8\
**Last updated:** [24 February 2020 15:00 UTC](https://discourse.nodered.org/t/getting-the-initial-status-of-nodes/22162 "2020-02-24T15:00:15Z")

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From my experience, the status node reads other node statuses upon change and does not reflect the initial state. For example, if the MQTT node connects upon deployment, the status is not pushed: Then, if I stop and …

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## [Table overview of sensors](https://discourse.nodered.org/t/table-overview-of-sensors/22053)

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**Author:** [@maku12](https://discourse.nodered.org/u/maku12)\
**Replies:** 4\
**Last updated:** [24 February 2020 14:38 UTC](https://discourse.nodered.org/t/table-overview-of-sensors/22053 "2020-02-24T14:38:03Z")

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Hi, I want to get a table displayed on the dashboard showing live values coming from sensors (window/door contact). The Table should have columns like Room, Battery Level, Status (open, closed) Please help, I don't kno…

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## [Logging in elastic search](https://discourse.nodered.org/t/logging-in-elastic-search/22197)

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**Author:** [@Trilok](https://discourse.nodered.org/u/Trilok)\
**Replies:** 0\
**Last updated:** [24 February 2020 14:26 UTC](https://discourse.nodered.org/t/logging-in-elastic-search/22197 "2020-02-24T14:26:58Z")

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I want to know that the Node -Red supports logging in elastic search. if yes, can anyone share the related api or tutorials.

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## [Status node should check if configured node(s) exist](https://discourse.nodered.org/t/status-node-should-check-if-configured-node-s-exist/22179)

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**Author:** [@techraf](https://discourse.nodered.org/u/techraf)\
**Replies:** 0\
**Last updated:** [24 February 2020 10:17 UTC](https://discourse.nodered.org/t/status-node-should-check-if-configured-node-s-exist/22179 "2020-02-24T10:17:49Z")

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If you create a new project and import the following: \[{"id":"ed358218.fba33","type":"tab","label":"oprhaned status node","disabled":false,"info":""},{"id":"7dc15cf6.724b44","type":"status","z":"ed358218.fba33","name":"…

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## [Issues on new project](https://discourse.nodered.org/t/issues-on-new-project/22126)

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**Author:** [@msillano](https://discourse.nodered.org/u/msillano)\
**Replies:** 2\
**Last updated:** [24 February 2020 09:15 UTC](https://discourse.nodered.org/t/issues-on-new-project/22126 "2020-02-24T09:15:42Z")

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Creating my first project (WIN 10). I can do Pull updates, but Push fails. Here the log: ----------------------------------------------------------- 2020-02-23T10:04:14.508Z Pull changes : http\_github/master 2020-02-2…

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## [Help trimming garbage from end of buffer](https://discourse.nodered.org/t/help-trimming-garbage-from-end-of-buffer/22072)

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**Author:** [@cowpen](https://discourse.nodered.org/u/cowpen)\
**Replies:** 2\
**Last updated:** [24 February 2020 00:19 UTC](https://discourse.nodered.org/t/help-trimming-garbage-from-end-of-buffer/22072 "2020-02-24T00:19:48Z")

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I've got a solar inverter that I'd like to log to influxdb / grafana. I found a program on github by an author with a similar model to mine. The comms protocols are the same, as are many of the queried parameters, but mi…

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## [Subflow looptimer doesn't stop](https://discourse.nodered.org/t/subflow-looptimer-doesnt-stop/21824)

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**Author:** [@bedo2405](https://discourse.nodered.org/u/bedo2405)\
**Replies:** 2\
**Last updated:** [23 February 2020 23:35 UTC](https://discourse.nodered.org/t/subflow-looptimer-doesnt-stop/21824 "2020-02-23T23:35:41Z")

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Can anyone tell me why my looptimer doesn't stop my alarm? My google homes and xaiomi play an alarm mp3 which is about 10 seconds long. So I use a Looptimer node to replay it every 10 seconds. To stop it, I send a paylo…

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## [Node not shown in palette](https://discourse.nodered.org/t/node-not-shown-in-palette/21386)

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**Author:** [@DemonKing](https://discourse.nodered.org/u/DemonKing)\
**Replies:** 29\
**Last updated:** [23 February 2020 23:29 UTC](https://discourse.nodered.org/t/node-not-shown-in-palette/21386 "2020-02-23T23:29:58Z")

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Hi, i installed two nodes one is email and another one is cron-plus , email node i can use like drag and drop but cron node is not visible in node left side panel ,, but in pallet it shows installed but i cant see that …

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## [Sunday JSONata Challenge!](https://discourse.nodered.org/t/sunday-jsonata-challenge/21793)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 8\
**Last updated:** [23 February 2020 23:26 UTC](https://discourse.nodered.org/t/sunday-jsonata-challenge/21793 "2020-02-23T23:26:08Z")

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Here's a bit of a fun challenge for anyone wanting to improve their JSONata Fu. Take the output from the following nmap command output (change the IP address/subnet to match your own): sudo nmap -sn --oX nmap.xml --pri…

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## [AC voltage measurement](https://discourse.nodered.org/t/ac-voltage-measurement/22163)

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**Author:** [@thalesmaoa](https://discourse.nodered.org/u/thalesmaoa)\
**Replies:** 4\
**Last updated:** [23 February 2020 21:24 UTC](https://discourse.nodered.org/t/ac-voltage-measurement/22163 "2020-02-23T21:24:01Z")

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How fast NodeRed receives and plot data? I saw some suggestions about what I’m intending to do, however none has pointed to this question. I’ve been working and learning NodeRed for quite some time now. I’m basically us…

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## [Salter MiBody scales (lidl)](https://discourse.nodered.org/t/salter-mibody-scales-lidl/22158)

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**Author:** [@orandaadnaro](https://discourse.nodered.org/u/orandaadnaro)\
**Replies:** 1\
**Last updated:** [23 February 2020 19:38 UTC](https://discourse.nodered.org/t/salter-mibody-scales-lidl/22158 "2020-02-23T19:38:37Z")

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I just bought today from Lidl - Salter Mibody scales which attaches to my iPhone using bluetooth. Does anyone know of any Node Red mod which might enhance its functionality? Thanks

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## [Unable to start Node-Red with windows 10](https://discourse.nodered.org/t/unable-to-start-node-red-with-windows-10/22159)

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**Author:** [@dougcr4](https://discourse.nodered.org/u/dougcr4)\
**Replies:** 2\
**Last updated:** [23 February 2020 19:34 UTC](https://discourse.nodered.org/t/unable-to-start-node-red-with-windows-10/22159 "2020-02-23T19:34:17Z")

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HI i'm new to node red however after finally completing the install, with tools and python etc, it took a while , all i get is 'node-red' is not recognized as an internal or external command, operable program or batc…

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