# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=659

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

**Page:** 660

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## [Not getting Telegram messages that I see on the phone](https://discourse.nodered.org/t/not-getting-telegram-messages-that-i-see-on-the-phone/35221)

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**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 6\
**Last updated:** [3 November 2020 20:00 UTC](https://discourse.nodered.org/t/not-getting-telegram-messages-that-i-see-on-the-phone/35221 "2020-11-03T20:00:46Z")

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I am trying to use Telegram to send messages from my phone to Node-Red. An android app is sending messages to the telegram bot I have created. The app is sending the message with the bot token and my chat id. When I open…

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## [Question on Telegram Reply](https://discourse.nodered.org/t/question-on-telegram-reply/35251)

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**Author:** [@ace](https://discourse.nodered.org/u/ace)\
**Replies:** 2\
**Last updated:** [3 November 2020 19:12 UTC](https://discourse.nodered.org/t/question-on-telegram-reply/35251 "2020-11-03T19:12:19Z")

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I am using node-red-contrib-telegrambot and can't figure out (or wrap my head around) how the Telegram reply option works? When I read the documentation it sounds like telegram will wait for a reply back. I was wonder…

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## [Http request node - method PATCH](https://discourse.nodered.org/t/http-request-node-method-patch/35290)

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**Author:** [@broo0ose](https://discourse.nodered.org/u/broo0ose)\
**Replies:** 1\
**Last updated:** [3 November 2020 17:31 UTC](https://discourse.nodered.org/t/http-request-node-method-patch/35290 "2020-11-03T17:31:23Z")

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Hi, I need to send an http request using the PATCH method. This isn't listed in the drop-down of methods, but it is listed in the docs if I use msg.method to pass the information to the node. I tried sending this: { …

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## [What is more Optimal many MQTT nodes or a Switch Function](https://discourse.nodered.org/t/what-is-more-optimal-many-mqtt-nodes-or-a-switch-function/35288)

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**Author:** [@Paulf007](https://discourse.nodered.org/u/Paulf007)\
**Replies:** 3\
**Last updated:** [3 November 2020 17:07 UTC](https://discourse.nodered.org/t/what-is-more-optimal-many-mqtt-nodes-or-a-switch-function/35288 "2020-11-03T17:07:28Z")

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Ok , I might be splitting hairs here but what would be more optimal I have a controller that reports in 18 different mqtt topics. So what would be better Having 18 MQTT nodes each with their own topic or 1 MQTT node th…

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## [Installation failure on Rasp Pi running up to date Raspian Buster 10](https://discourse.nodered.org/t/installation-failure-on-rasp-pi-running-up-to-date-raspian-buster-10/34828)

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**Author:** [@kes](https://discourse.nodered.org/u/kes)\
**Replies:** 28\
**Last updated:** [3 November 2020 14:49 UTC](https://discourse.nodered.org/t/installation-failure-on-rasp-pi-running-up-to-date-raspian-buster-10/34828 "2020-11-03T14:49:23Z")

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My rasp pi runs Raspian Buster 10. I have just updated everything sucessfully followed by a re-boot. When I run the below installation command bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installer…

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## [Restarting Node-red](https://discourse.nodered.org/t/restarting-node-red/35276)

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**Author:** [@Dixeetpurohit](https://discourse.nodered.org/u/Dixeetpurohit)\
**Replies:** 3\
**Last updated:** [3 November 2020 13:00 UTC](https://discourse.nodered.org/t/restarting-node-red/35276 "2020-11-03T13:00:59Z")

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After installing certain packages or modules it is recommended to restart node-red for the changes to take place. Could anyone help how to restart node-red on Windows 10 ? Thanks.

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## [Using tcp node for getting data in node red](https://discourse.nodered.org/t/using-tcp-node-for-getting-data-in-node-red/35274)

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**Author:** [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Replies:** 2\
**Last updated:** [3 November 2020 11:21 UTC](https://discourse.nodered.org/t/using-tcp-node-for-getting-data-in-node-red/35274 "2020-11-03T11:21:46Z")

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I was getting data but now it stopped sending data coming in node red after some time how to fix this?I am querying sensor value by giving modbus command in sscom \[{"id":"44b997cd.ae6328","type":"tab","label":"Flow …

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## [Cloning node-red-dashboard elements](https://discourse.nodered.org/t/cloning-node-red-dashboard-elements/35279)

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**Author:** [@offreal](https://discourse.nodered.org/u/offreal)\
**Replies:** 0\
**Last updated:** [3 November 2020 12:03 UTC](https://discourse.nodered.org/t/cloning-node-red-dashboard-elements/35279 "2020-11-03T12:03:01Z")

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While you export-import node-red-dashboard elements to new flow, its automatically merging with original (elements in groups, groups in tabs). Because of same uids, i think. Here is python script for assign new uids for…

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## [Extracting data from Weather API and inserting into GraphQL server](https://discourse.nodered.org/t/extracting-data-from-weather-api-and-inserting-into-graphql-server/35275)

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**Author:** [@Dixeetpurohit](https://discourse.nodered.org/u/Dixeetpurohit)\
**Replies:** 0\
**Last updated:** [3 November 2020 11:15 UTC](https://discourse.nodered.org/t/extracting-data-from-weather-api-and-inserting-into-graphql-server/35275 "2020-11-03T11:15:26Z")

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I am using http request node to call weather API. I want to insert minimum and maximum temperature values into my GraphQL server table. Utilizing this particular syntax for inserting into table (writing this into the Gra…

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## [Ikea Tradfri color temp problems](https://discourse.nodered.org/t/ikea-tradfri-color-temp-problems/35273)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 0\
**Last updated:** [3 November 2020 10:26 UTC](https://discourse.nodered.org/t/ikea-tradfri-color-temp-problems/35273 "2020-11-03T10:26:42Z")

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Hi, Anyone know why IKEA bulbs when triggered from off won't take the colour temp info in the same action, but only when triggered again once already on. Background: I have a bunch of IKEA bulbs (lamps) that do cold/wa…

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## [Not able to read CSV](https://discourse.nodered.org/t/not-able-to-read-csv/35253)

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**Author:** [@varunyc](https://discourse.nodered.org/u/varunyc)\
**Replies:** 2\
**Last updated:** [3 November 2020 10:17 UTC](https://discourse.nodered.org/t/not-able-to-read-csv/35253 "2020-11-03T10:17:48Z")

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Dear All, I am trying to read CSV file to store it in a InfluxDB. As of now InfluxDB node is not added as I am getting error "This node only handles CSV strings or js objects." while reading CSV file its self. Please he…

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## [No link to Windows install from Getting Started page](https://discourse.nodered.org/t/no-link-to-windows-install-from-getting-started-page/35269)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 1\
**Last updated:** [3 November 2020 09:25 UTC](https://discourse.nodered.org/t/no-link-to-windows-install-from-getting-started-page/35269 "2020-11-03T09:25:04Z")

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There is a page in the docs on how to install on Windows (https://nodered.org/docs/getting-started/windows) but I can't see a link to that from the Getting Started guide (https://nodered.org/docs/getting-started). Also,…

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## [Flow not doing what it should. Tests ok though](https://discourse.nodered.org/t/flow-not-doing-what-it-should-tests-ok-though/35240)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [3 November 2020 08:56 UTC](https://discourse.nodered.org/t/flow-not-doing-what-it-should-tests-ok-though/35240 "2020-11-03T08:56:53Z")

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I have a flow which backs up a file every month. External nodes required: moment fs-ops cronplus The flow. \[{"id":"9d9dc047.2a46a8","type":"function","z":"1c428643.6f708a","name":"Build stuff","func":"//msg.SourceP…

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## [Convert Node Red to C Code](https://discourse.nodered.org/t/convert-node-red-to-c-code/35070)

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**Author:** [@iak34](https://discourse.nodered.org/u/iak34)\
**Replies:** 4\
**Last updated:** [3 November 2020 08:48 UTC](https://discourse.nodered.org/t/convert-node-red-to-c-code/35070 "2020-11-03T08:48:37Z")

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Hello, is there a possibility to create C code from Node Red? My Idea is to Create C Code for Microcontrollers and other devices from specific nodes. Maybe it is possible to use the JSON File?

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## [Different device and Wifi acess Node-Red](https://discourse.nodered.org/t/different-device-and-wifi-acess-node-red/35234)

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**Author:** [@PBence96](https://discourse.nodered.org/u/PBence96)\
**Replies:** 4\
**Last updated:** [3 November 2020 08:48 UTC](https://discourse.nodered.org/t/different-device-and-wifi-acess-node-red/35234 "2020-11-03T08:48:22Z")

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Hi! I would like to acess my Node-Red editor with NOT the same device and WIFI where the server is running. How can i do it? Thanks a lot!

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## [How to send data from serial port to NodeRED?](https://discourse.nodered.org/t/how-to-send-data-from-serial-port-to-nodered/35189)

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**Author:** [@alex1](https://discourse.nodered.org/u/alex1)\
**Replies:** 4\
**Last updated:** [3 November 2020 08:22 UTC](https://discourse.nodered.org/t/how-to-send-data-from-serial-port-to-nodered/35189 "2020-11-03T08:22:22Z")

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Im connecting my wireless USB barcode scanner with my raspberry Pi Zero W. Im able to receive the data using pi zero but not for Node-RED. There is no message being show up. Can anyone help in this matter?

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## [Correct use of switch](https://discourse.nodered.org/t/correct-use-of-switch/35212)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 4\
**Last updated:** [3 November 2020 08:16 UTC](https://discourse.nodered.org/t/correct-use-of-switch/35212 "2020-11-03T08:16:08Z")

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hello I read a set of data from a DB, which is available to me as an array with 19 objects. payload\[0\].MO ..... up to payload\[0\].Z\_Tone. Can I split this with switch so that I have the 19 values at 19 outputs or do …

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## [ERR\_INVALID\_ARG\_VALUE using Exec node](https://discourse.nodered.org/t/err-invalid-arg-value-using-exec-node/35260)

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**Author:** [@Fucio7](https://discourse.nodered.org/u/Fucio7)\
**Replies:** 1\
**Last updated:** [3 November 2020 08:08 UTC](https://discourse.nodered.org/t/err-invalid-arg-value-using-exec-node/35260 "2020-11-03T08:08:09Z")

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Hi all. I'm trying to send a command to the "Exec" node, but I always get this error: TypeError \[ERR\_INVALID\_ARG\_VALUE\]: The argument 'file' cannot be empty. Received ''. I'm using a function node to set msg.command wi…

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## [Best touch screen to use with NR dashboard?](https://discourse.nodered.org/t/best-touch-screen-to-use-with-nr-dashboard/10426)

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**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 28\
**Last updated:** [3 November 2020 05:34 UTC](https://discourse.nodered.org/t/best-touch-screen-to-use-with-nr-dashboard/10426 "2020-11-03T05:34:46Z")

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Hi Currently I’m using my iPad to interact with my dashboard, but as that’s also used for work and so many other things, I’m wondering if there is a better (lower cost and more permanent) option I could use ? I’d love …

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## [Extracting data from API and inserting into Graphql Server](https://discourse.nodered.org/t/extracting-data-from-api-and-inserting-into-graphql-server/35254)

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**Author:** [@Dixeetpurohit](https://discourse.nodered.org/u/Dixeetpurohit)\
**Replies:** 0\
**Last updated:** [3 November 2020 04:15 UTC](https://discourse.nodered.org/t/extracting-data-from-api-and-inserting-into-graphql-server/35254 "2020-11-03T04:15:10Z")

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My purpose is to receive data through Rest API in Node-red using the http request Node. And extracting the useful information from the API response and insert it into GraphQL server. I am not sure how to extract the rele…

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## [Node-red-contrib-zigbee cannot be installed](https://discourse.nodered.org/t/node-red-contrib-zigbee-cannot-be-installed/35247)

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**Author:** [@ceysa75](https://discourse.nodered.org/u/ceysa75)\
**Replies:** 0\
**Last updated:** [2 November 2020 21:58 UTC](https://discourse.nodered.org/t/node-red-contrib-zigbee-cannot-be-installed/35247 "2020-11-02T21:58:00Z")

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Dear All, being new to the world of node red (and linux at all) I am trying to make my first (small) steps. I have installed node-red in a docker container according to the (pretty straight forward) instructions by a ge…

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## [Input multiple sensor outputs into mysql](https://discourse.nodered.org/t/input-multiple-sensor-outputs-into-mysql/35153)

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**Author:** [@rha10](https://discourse.nodered.org/u/rha10)\
**Replies:** 12\
**Last updated:** [2 November 2020 21:54 UTC](https://discourse.nodered.org/t/input-multiple-sensor-outputs-into-mysql/35153 "2020-11-02T21:54:34Z")

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First I must say what a great platform Node Red is and congratulations to the builders. As a retired old man and with only 12 months programming experience I have just ventured into MQTT, MYSQL and now Node Red, I have …

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## [Array Object Variable](https://discourse.nodered.org/t/array-object-variable/35239)

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**Author:** [@mdeluca1992](https://discourse.nodered.org/u/mdeluca1992)\
**Replies:** 2\
**Last updated:** [2 November 2020 21:30 UTC](https://discourse.nodered.org/t/array-object-variable/35239 "2020-11-02T21:30:15Z")

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I am trying to build an object array using two variables. Below is an example of what I am trying to do. Variables text1 and text2. When I look in the debug window the array object has the variable and not the text I def…

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## [Timezone - Help](https://discourse.nodered.org/t/timezone-help/35224)

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**Author:** [@everynone](https://discourse.nodered.org/u/everynone)\
**Replies:** 3\
**Last updated:** [2 November 2020 21:25 UTC](https://discourse.nodered.org/t/timezone-help/35224 "2020-11-02T21:25:21Z")

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New to Node-Red so if I need to post more information, lmk. I'm running Node-Red through Hassio on a Synology machine. The machine is set on the correct timezone, the docker containers are all set on the correct timezone…

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## [HTTP buffer length](https://discourse.nodered.org/t/http-buffer-length/35235)

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**Author:** [@Martin](https://discourse.nodered.org/u/Martin)\
**Replies:** 2\
**Last updated:** [2 November 2020 20:10 UTC](https://discourse.nodered.org/t/http-buffer-length/35235 "2020-11-02T20:10:39Z")

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hello there. For purpouse of retirieve information from a web page i'been using "http request node" but, it can only give a maximum of 5700 characters, wich is more less than what is needed to get the specified data. …

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## [How to clear all points on WorldMap on a dashboard](https://discourse.nodered.org/t/how-to-clear-all-points-on-worldmap-on-a-dashboard/35236)

<div class="topic-metadata">

**Author:** [@Karen123](https://discourse.nodered.org/u/Karen123)\
**Replies:** 0\
**Last updated:** [2 November 2020 19:52 UTC](https://discourse.nodered.org/t/how-to-clear-all-points-on-worldmap-on-a-dashboard/35236 "2020-11-02T19:52:10Z")

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Hi All, I have created a map on NodeRed and am trying to create a button to clear all points on the map. However, the flow I built does not work. I have also tried the solutions suggested in the thread (https://discours…

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## [Use both MCP3008 Device IDs](https://discourse.nodered.org/t/use-both-mcp3008-device-ids/35198)

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**Author:** [@Stefan1](https://discourse.nodered.org/u/Stefan1)\
**Replies:** 2\
**Last updated:** [2 November 2020 19:46 UTC](https://discourse.nodered.org/t/use-both-mcp3008-device-ids/35198 "2020-11-02T19:46:53Z")

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Hello, I have two MCP3008 and would like to read them out via Node-Red. My problem is that I can only read it out for one Device ID. If I set the first A/D-Converter to CE0, the second A/D-Converter also use CE0, althou…

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## [Simple question and answer node](https://discourse.nodered.org/t/simple-question-and-answer-node/35229)

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**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\
**Replies:** 1\
**Last updated:** [2 November 2020 19:23 UTC](https://discourse.nodered.org/t/simple-question-and-answer-node/35229 "2020-11-02T19:23:20Z")

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Hi all node maniacs! I'm working on a simple Q&A node, so a node ask a simple question and depending on the answer it executes some action. I need the simplest of this because i not rocket science what i want to do. S…

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## [Mqtt keeps dropping every 45secs for 15secs](https://discourse.nodered.org/t/mqtt-keeps-dropping-every-45secs-for-15secs/35230)

<div class="topic-metadata">

**Author:** [@stone](https://discourse.nodered.org/u/stone)\
**Replies:** 1\
**Last updated:** [2 November 2020 18:28 UTC](https://discourse.nodered.org/t/mqtt-keeps-dropping-every-45secs-for-15secs/35230 "2020-11-02T18:28:36Z")

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2 Nov 11:50:23 - \[info\] \[mqtt-broker:MQTT house\] Disconnected from broker: NodeRed@mqtt://10.xx:1883 2 Nov 11:50:38 - \[info\] \[mqtt-broker:MQTT house\] Connected to broker: NodeRed@mqtt://10.xx:1883 2 Nov 11:50:54 - \[info\]…

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## [Question about watch node?](https://discourse.nodered.org/t/question-about-watch-node/35187)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 4\
**Last updated:** [2 November 2020 17:50 UTC](https://discourse.nodered.org/t/question-about-watch-node/35187 "2020-11-02T17:50:26Z")

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I am not sure I understand the following... Note: The directory or file must exist in order to be watched. If the file or directory gets deleted it may no longer be monitored even if it gets re-created. If I have a fl…

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