# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=741

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

**Page:** 742

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## [Http in node timesout](https://discourse.nodered.org/t/http-in-node-timesout/27506)

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**Author:** [@jboutwell](https://discourse.nodered.org/u/jboutwell)\
**Replies:** 1\
**Last updated:** [29 May 2020 18:25 UTC](https://discourse.nodered.org/t/http-in-node-timesout/27506 "2020-05-29T18:25:59Z")

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Hi, I am consistently getting a ESOCKETTIMEDOUT when I try and receive POST messages in node-red. The server is up and running and there is no reason for a timeout. I even get a timeout when I set up a flow to send a …

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## [Remove \[\] from an output](https://discourse.nodered.org/t/remove-from-an-output/27507)

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**Author:** [@trocalos](https://discourse.nodered.org/u/trocalos)\
**Replies:** 3\
**Last updated:** [29 May 2020 18:17 UTC](https://discourse.nodered.org/t/remove-from-an-output/27507 "2020-05-29T18:17:46Z")

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Hello, I am trying to remove the brackets \[\] at the output of my payload If I get "27" or "25" it gives me a text result, but the problem is that the sensor reading gives me \["27.500"\] How can I remove those \[\]? Tha…

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## [Collect https address](https://discourse.nodered.org/t/collect-https-address/27329)

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**Author:** [@mykerinos1](https://discourse.nodered.org/u/mykerinos1)\
**Replies:** 16\
**Last updated:** [28 May 2020 15:51 UTC](https://discourse.nodered.org/t/collect-https-address/27329 "2020-05-28T15:51:27Z")

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Hello , i use node python to launch a progamm wich create a unique HTTP each time i launch it. i would like to collect only The last link or better launch it directly. thanks a lot How can i do ?

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## [Build charts with data from mysql database](https://discourse.nodered.org/t/build-charts-with-data-from-mysql-database/27451)

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**Author:** [@node96](https://discourse.nodered.org/u/node96)\
**Replies:** 4\
**Last updated:** [29 May 2020 17:01 UTC](https://discourse.nodered.org/t/build-charts-with-data-from-mysql-database/27451 "2020-05-29T17:01:13Z")

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hello, I am trying to build a chart with some data from mysql database. I have a query to the database and it returns a object with temperatures that I want to send to a chart and make a line chart. So that I can see …

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## [Are there any basic timers](https://discourse.nodered.org/t/are-there-any-basic-timers/27470)

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**Author:** [@omono35](https://discourse.nodered.org/u/omono35)\
**Replies:** 3\
**Last updated:** [29 May 2020 16:32 UTC](https://discourse.nodered.org/t/are-there-any-basic-timers/27470 "2020-05-29T16:32:11Z")

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I am brand new to Node-Red but I am trying to make or find a simple timer. I know there are a few things like bigtimer but they all seem to be based of times of day and such. I just want a timer that I can type in a nu…

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## [Convert part of a string to float and integer](https://discourse.nodered.org/t/convert-part-of-a-string-to-float-and-integer/19935)

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**Author:** [@SkyNet97](https://discourse.nodered.org/u/SkyNet97)\
**Replies:** 5\
**Last updated:** [29 May 2020 16:09 UTC](https://discourse.nodered.org/t/convert-part-of-a-string-to-float-and-integer/19935 "2020-05-29T16:09:58Z")

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Hi guys, hope someone can give me a few hints. I have 1xAM2320 temp and hum% sensor, and a soil moisture sensor connected to an arduino which in turn is connected to a Rpi. My problem is that Im getting string messages…

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## [Function to get multiple arrays](https://discourse.nodered.org/t/function-to-get-multiple-arrays/27457)

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**Author:** [@JamesMcCarthy79](https://discourse.nodered.org/u/JamesMcCarthy79)\
**Replies:** 9\
**Last updated:** [29 May 2020 16:09 UTC](https://discourse.nodered.org/t/function-to-get-multiple-arrays/27457 "2020-05-29T16:09:36Z")

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I have a Node-RED flow that uses an API request for my cycle routes. It returns a huge array up to 2000 points each for elevation, speed & grade. I would like to pull these values out and plot them onto a ride graph. Is …

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## [NEST Thermostat Integration Idea](https://discourse.nodered.org/t/nest-thermostat-integration-idea/27492)

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**Author:** [@lakee911](https://discourse.nodered.org/u/lakee911)\
**Replies:** 2\
**Last updated:** [29 May 2020 14:46 UTC](https://discourse.nodered.org/t/nest-thermostat-integration-idea/27492 "2020-05-29T14:46:12Z")

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Hi Everyone, I had an idea for NEST Thermostat integration and I wanted to bounce the idea off of the community to see if it's plausible. Would it be possible to load up an Android OS on a VM and then somehow provide s…

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## [Remove “{"power":00000}” from payload](https://discourse.nodered.org/t/remove-power-00000-from-payload/26618)

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**Author:** [@droidblast](https://discourse.nodered.org/u/droidblast)\
**Replies:** 16\
**Last updated:** [29 May 2020 14:26 UTC](https://discourse.nodered.org/t/remove-power-00000-from-payload/26618 "2020-05-29T14:26:03Z")

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I need to change the following MQTT output from {"power":3463} to 3463 Where the 3463 is a changing number after reading a power sensor. So it could be 0 up to 72000. Reading the forum read this can be done in sever…

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## [Set time of time-range-switch per dashboard](https://discourse.nodered.org/t/set-time-of-time-range-switch-per-dashboard/27443)

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**Author:** [@Trunkx](https://discourse.nodered.org/u/Trunkx)\
**Replies:** 2\
**Last updated:** [29 May 2020 12:19 UTC](https://discourse.nodered.org/t/set-time-of-time-range-switch-per-dashboard/27443 "2020-05-29T12:19:12Z")

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Hello, i'm new to Node-Red and have a question about the node-red-contrib-time-range-switch 1.0.0.. Is it possible to set the time from the dashboard instead directly in the node ? I did found the text input node witch…

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## [Node-red-contrib-camerapi issue](https://discourse.nodered.org/t/node-red-contrib-camerapi-issue/25983)

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**Author:** [@leeg77](https://discourse.nodered.org/u/leeg77)\
**Replies:** 7\
**Last updated:** [29 May 2020 11:45 UTC](https://discourse.nodered.org/t/node-red-contrib-camerapi-issue/25983 "2020-05-29T11:45:48Z")

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I am playing with the node-red-contrib-camerapi node but I am getting the following error: My camera works fine when using my pyhton script and it looks like the node-red-contrib-camerapi is in the .node-red directory …

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## [Serial timeout causes flow to stop](https://discourse.nodered.org/t/serial-timeout-causes-flow-to-stop/27374)

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**Author:** [@rce](https://discourse.nodered.org/u/rce)\
**Replies:** 17\
**Last updated:** [29 May 2020 09:28 UTC](https://discourse.nodered.org/t/serial-timeout-causes-flow-to-stop/27374 "2020-05-29T09:28:47Z")

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Hi, I'm using the serial node to send ascii commands to a rs232 device with a Pi4. It used to run correctly, although i had timeout from time to time which didn't cause any harm. Yesterday i did an "apt-get update/upgr…

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## [TCP not working for 30 min since new IP is given to 3G network interface](https://discourse.nodered.org/t/tcp-not-working-for-30-min-since-new-ip-is-given-to-3g-network-interface/27246)

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**Author:** [@bsc-itcl](https://discourse.nodered.org/u/bsc-itcl)\
**Replies:** 11\
**Last updated:** [29 May 2020 07:45 UTC](https://discourse.nodered.org/t/tcp-not-working-for-30-min-since-new-ip-is-given-to-3g-network-interface/27246 "2020-05-29T07:45:08Z")

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Hi everyone, we have developed a TCP client on a Gateway which runs Node.Red 0.11. This device receives LoRa messages from a LoRa In node and forwards these to our own network service through a TCP Out which connects to…

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## [Rotate proxy/ip for httprequests](https://discourse.nodered.org/t/rotate-proxy-ip-for-httprequests/27434)

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**Author:** [@steffok](https://discourse.nodered.org/u/steffok)\
**Replies:** 4\
**Last updated:** [29 May 2020 07:36 UTC](https://discourse.nodered.org/t/rotate-proxy-ip-for-httprequests/27434 "2020-05-29T07:36:57Z")

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Is there a way that for each http request a different ip will be used? I've seen that a httpquest node has an option for proxy, but I don't know how it works

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## [How to cast videos](https://discourse.nodered.org/t/how-to-cast-videos/25039)

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**Author:** [@Auto101](https://discourse.nodered.org/u/Auto101)\
**Replies:** 44\
**Last updated:** [29 May 2020 06:39 UTC](https://discourse.nodered.org/t/how-to-cast-videos/25039 "2020-05-29T06:39:16Z")

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HI , Is there a way to cast local / youtube videos in a node red flow ? Thanks !

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## [Only 84 rows read in bug CSV](https://discourse.nodered.org/t/only-84-rows-read-in-bug-csv/27414)

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**Author:** [@mikeh](https://discourse.nodered.org/u/mikeh)\
**Replies:** 4\
**Last updated:** [29 May 2020 06:25 UTC](https://discourse.nodered.org/t/only-84-rows-read-in-bug-csv/27414 "2020-05-29T06:25:49Z")

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I have a large csv file with more than 20 thousand rows. I was able to read the CSV file but only got 84 rows?

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## [Using a Subflow environment variable to set msg.payload - probably simple, but i dont get it!](https://discourse.nodered.org/t/using-a-subflow-environment-variable-to-set-msg-payload-probably-simple-but-i-dont-get-it/27460)

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**Author:** [@santaklon](https://discourse.nodered.org/u/santaklon)\
**Replies:** 2\
**Last updated:** [29 May 2020 00:52 UTC](https://discourse.nodered.org/t/using-a-subflow-environment-variable-to-set-msg-payload-probably-simple-but-i-dont-get-it/27460 "2020-05-29T00:52:03Z")

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I am simply trying to create a subflow where i can set an environment variable that is then used within the subflow as the msg.payload to be sent over MQTT. Apparently i dont get the syntax right because it just wont wor…

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## [Time out error occurring while hitting the API](https://discourse.nodered.org/t/time-out-error-occurring-while-hitting-the-api/27438)

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**Author:** [@Ramya](https://discourse.nodered.org/u/Ramya)\
**Replies:** 2\
**Last updated:** [28 May 2020 21:11 UTC](https://discourse.nodered.org/t/time-out-error-occurring-while-hitting-the-api/27438 "2020-05-28T21:11:54Z")

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Hi Guys, I am running 2 queries, where the 1st query output will act as a input to the 2nd query , and I need to loop through all the records from the oracle db , assume the response from db is around thousands of reco…

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## [How to output separate payload fields to text flows](https://discourse.nodered.org/t/how-to-output-separate-payload-fields-to-text-flows/27436)

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**Author:** [@node96](https://discourse.nodered.org/u/node96)\
**Replies:** 6\
**Last updated:** [28 May 2020 21:00 UTC](https://discourse.nodered.org/t/how-to-output-separate-payload-fields-to-text-flows/27436 "2020-05-28T21:00:15Z")

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Hi, I am sending a query that selects a max, min, avg, etc, in a database, and I want to send it to text flows separately that will show in the dashboard. This is the payload data: And the flow: Thanks

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## [Node-Red and node-red-contrib-redis](https://discourse.nodered.org/t/node-red-and-node-red-contrib-redis/27395)

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**Author:** [@Deuang](https://discourse.nodered.org/u/Deuang)\
**Replies:** 2\
**Last updated:** [28 May 2020 20:51 UTC](https://discourse.nodered.org/t/node-red-and-node-red-contrib-redis/27395 "2020-05-28T20:51:15Z")

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I hope someone can shed some light on what appears to be a rather simple thing but for the life of me I cannot work out. I apologies in advance if I don’t follow the rule or format my text correctly, I am new to the for…

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## [Send message amoung subflows like mqtt](https://discourse.nodered.org/t/send-message-amoung-subflows-like-mqtt/27415)

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**Author:** [@sdalee](https://discourse.nodered.org/u/sdalee)\
**Replies:** 1\
**Last updated:** [28 May 2020 20:49 UTC](https://discourse.nodered.org/t/send-message-amoung-subflows-like-mqtt/27415 "2020-05-28T20:49:52Z")

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I build a smart home system. I use Raspberry pi & Node-Red. I’d like to save every sensor and UI data, event, etc… to a sqlite database. I think there will be about 80-100 zigbee device in the zigbee network, and lots …

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## [Home bridge and no response](https://discourse.nodered.org/t/home-bridge-and-no-response/19208)

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**Author:** [@bskitter](https://discourse.nodered.org/u/bskitter)\
**Replies:** 7\
**Last updated:** [28 May 2020 19:20 UTC](https://discourse.nodered.org/t/home-bridge-and-no-response/19208 "2020-05-28T19:20:50Z")

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Hello Everybody, I currently have a small configuration with homebridge , homebridge mqtt and node red. Yesterday I tried to add a new sonoff device to homebridge and shortly after this everything fell apart and all th…

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## [IBM IoT Platform as mqtt out node](https://discourse.nodered.org/t/ibm-iot-platform-as-mqtt-out-node/27446)

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**Author:** [@Hutfal](https://discourse.nodered.org/u/Hutfal)\
**Replies:** 0\
**Last updated:** [28 May 2020 18:26 UTC](https://discourse.nodered.org/t/ibm-iot-platform-as-mqtt-out-node/27446 "2020-05-28T18:26:21Z")

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Hi everyone! I deployed a node red instance on IBM cloud: jodrone-node-red.eu-gb.mybluemix.net I developed my flow and now I want to comunicate with a local raspberry pi with an mqtt out node. Since I found no free al…

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## [Directly use microphone that connect with raspberry pi](https://discourse.nodered.org/t/directly-use-microphone-that-connect-with-raspberry-pi/27421)

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**Author:** [@lingzhongli](https://discourse.nodered.org/u/lingzhongli)\
**Replies:** 4\
**Last updated:** [28 May 2020 15:32 UTC](https://discourse.nodered.org/t/directly-use-microphone-that-connect-with-raspberry-pi/27421 "2020-05-28T15:32:27Z")

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How can i use the microphone that directly connect with raspberry? Because i am do my project by using my laptop that open using browser... like below So, it will directly using the microphone in my laptop to receive…

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## [Trouble starting node red on Raspberry pi](https://discourse.nodered.org/t/trouble-starting-node-red-on-raspberry-pi/27341)

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**Author:** [@cranks](https://discourse.nodered.org/u/cranks)\
**Replies:** 7\
**Last updated:** [28 May 2020 12:23 UTC](https://discourse.nodered.org/t/trouble-starting-node-red-on-raspberry-pi/27341 "2020-05-28T12:23:36Z")

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Hi there, a few days ago the Node Red install on my pi became unreachable... I tried connecting like I have in the past by using a browser window with the address of xxx.xxx.x.9:1880 but it would not connect. Logged i…

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## [MongoDB remote access](https://discourse.nodered.org/t/mongodb-remote-access/13014)

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**Author:** [@ljavih](https://discourse.nodered.org/u/ljavih)\
**Replies:** 9\
**Last updated:** [28 May 2020 12:04 UTC](https://discourse.nodered.org/t/mongodb-remote-access/13014 "2020-05-28T12:04:10Z")

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HI I am using the node node-red-node-mongodb in order to do a remote connection to mongoDB and this error is display "MongoError: connection 507 to pruebanodered-shard-00-00-mtmwd.mongodb.net:27017 closed". I already do…

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## [Paid work to help finish Node red node](https://discourse.nodered.org/t/paid-work-to-help-finish-node-red-node/27401)

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**Author:** [@mako](https://discourse.nodered.org/u/mako)\
**Replies:** 1\
**Last updated:** [28 May 2020 04:23 UTC](https://discourse.nodered.org/t/paid-work-to-help-finish-node-red-node/27401 "2020-05-28T04:23:46Z")

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Hi. Reaching out to anybody who wants some paid work to help us finish a simple node for node-red. Background. We use this npm module very often "node-red-nodegen" https://www.npmjs.com/package/node-red-nodegen Basic…

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## [Possible defect: Subflow Categories with '#' in name - cannot delete](https://discourse.nodered.org/t/possible-defect-subflow-categories-with-in-name-cannot-delete/27398)

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**Author:** [@PaulKeates1](https://discourse.nodered.org/u/PaulKeates1)\
**Replies:** 4\
**Last updated:** [28 May 2020 01:22 UTC](https://discourse.nodered.org/t/possible-defect-subflow-categories-with-in-name-cannot-delete/27398 "2020-05-28T01:22:13Z")

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Hi, I want to see if anyone else can recreate this. I believe it is an issue but maybe just my installation. I created a new Subflow category (Edit Properties | Categories) called 'Data Blocks #States'. Note the hash…

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## [Websocket problem in Node-red using groov EPIC](https://discourse.nodered.org/t/websocket-problem-in-node-red-using-groov-epic/27232)

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**Author:** [@2heiman](https://discourse.nodered.org/u/2heiman)\
**Replies:** 1\
**Last updated:** [27 May 2020 23:48 UTC](https://discourse.nodered.org/t/websocket-problem-in-node-red-using-groov-epic/27232 "2020-05-27T23:48:18Z")

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We would like to use web socket to transfer data between one cloud server (A) and groov EPIC (EPIC). For example, A would like to send a message to EPIC which its ip is “192.1680.100” by using web socket. On A side, …

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## [PIR People counter](https://discourse.nodered.org/t/pir-people-counter/27226)

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**Author:** [@Becherer](https://discourse.nodered.org/u/Becherer)\
**Replies:** 7\
**Last updated:** [27 May 2020 22:08 UTC](https://discourse.nodered.org/t/pir-people-counter/27226 "2020-05-27T22:08:21Z")

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Hello, I have two PIR sensors that I would like to use to count people coming in and out of door. The sensors are placed one in front of the other. So depending on if PIR sensor on pin 38 is tripped first then PIR sensor…

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