# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=651

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

**Page:** 652

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## [Code ENOLOCAL Error when installing Node: mpu9250](https://discourse.nodered.org/t/code-enolocal-error-when-installing-node-mpu9250/36066)

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**Author:** [@andrea](https://discourse.nodered.org/u/andrea)\
**Replies:** 6\
**Last updated:** [17 November 2020 21:32 UTC](https://discourse.nodered.org/t/code-enolocal-error-when-installing-node-mpu9250/36066 "2020-11-17T21:32:58Z")

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Hi, Only when I try to install this module, I get this error: there is a simple explanation (Never had something like it): pi@raspberrypi:~/.node-red $ npm install /path/to/node-red-contrib-mpu9250 npm ERR! code ENOLO…

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## [Http request with http aouth01 to get a binary buffer](https://discourse.nodered.org/t/http-request-with-http-aouth01-to-get-a-binary-buffer/36081)

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**Author:** [@mohamedEmadEldien](https://discourse.nodered.org/u/mohamedEmadEldien)\
**Replies:** 19\
**Last updated:** [17 November 2020 21:26 UTC](https://discourse.nodered.org/t/http-request-with-http-aouth01-to-get-a-binary-buffer/36081 "2020-11-17T21:26:29Z")

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I want to create an endpoint API to display the image in Twitter DM like in this URL I tried to make a request using HTTP request but it's not working because it needs oauth01 I also tried oauth 01 node it's retrievin…

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## [Can't see what is happening](https://discourse.nodered.org/t/cant-see-what-is-happening/36072)

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**Author:** [@hengia7](https://discourse.nodered.org/u/hengia7)\
**Replies:** 9\
**Last updated:** [17 November 2020 20:04 UTC](https://discourse.nodered.org/t/cant-see-what-is-happening/36072 "2020-11-17T20:04:23Z")

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I am new to Node-Red and MQTT and RPi. I have created some small test flows and they seem to work as expected. I now have a programme on an ESP8266 which is supposed to control an LED and display temperature and humidi…

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## [Building "queue" and Processing by timestamp?](https://discourse.nodered.org/t/building-queue-and-processing-by-timestamp/36021)

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**Author:** [@guny74](https://discourse.nodered.org/u/guny74)\
**Replies:** 2\
**Last updated:** [17 November 2020 18:29 UTC](https://discourse.nodered.org/t/building-queue-and-processing-by-timestamp/36021 "2020-11-17T18:29:56Z")

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Hello, I want to build create/store "object"/ messages with in a flow, give them an individual timestamp and process these messages/"object" when the time (of timestamp) reached. Here: specially I want to create "alar…

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## [Get events from google Calendar with the goole-node - again](https://discourse.nodered.org/t/get-events-from-google-calendar-with-the-goole-node-again/36078)

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**Author:** [@Hanibal\_Smith](https://discourse.nodered.org/u/Hanibal_Smith)\
**Replies:** 0\
**Last updated:** [17 November 2020 17:17 UTC](https://discourse.nodered.org/t/get-events-from-google-calendar-with-the-goole-node-again/36078 "2020-11-17T17:17:08Z")

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hi everyone, i'm new in theme node red, but i have some programming skills an i can interpret some programm codes. I want to create a dashboard with some sensor values and the next events from my google calendar. I fo…

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## [Showing two icons on Worldmap](https://discourse.nodered.org/t/showing-two-icons-on-worldmap/36067)

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**Author:** [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Replies:** 5\
**Last updated:** [17 November 2020 14:57 UTC](https://discourse.nodered.org/t/showing-two-icons-on-worldmap/36067 "2020-11-17T14:57:08Z")

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one of the trackers having device eui ending with 02 is facing issue in parsing through the buffer parser. Range issue don't understand why becoz both the trackers are in line of sight to the sky. \[{"id":"f1c3712a.516…

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## [How to split an incoming string by character count](https://discourse.nodered.org/t/how-to-split-an-incoming-string-by-character-count/36063)

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**Author:** [@pandapilot](https://discourse.nodered.org/u/pandapilot)\
**Replies:** 5\
**Last updated:** [17 November 2020 13:51 UTC](https://discourse.nodered.org/t/how-to-split-an-incoming-string-by-character-count/36063 "2020-11-17T13:51:00Z")

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I've got a string coming into nodered from an external piece of equipment that I can't change. This is an example of what it shows on a debug node: 14711/17/20 12:53:10RUN 11/17/20 13:09:50MEURO26 SAMPLE5000 …

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## [I think I need machine learning, do you agree?](https://discourse.nodered.org/t/i-think-i-need-machine-learning-do-you-agree/35619)

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**Author:** [@thebaldgeek](https://discourse.nodered.org/u/thebaldgeek)\
**Replies:** 21\
**Last updated:** [17 November 2020 12:54 UTC](https://discourse.nodered.org/t/i-think-i-need-machine-learning-do-you-agree/35619 "2020-11-17T12:54:08Z")

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Over the past 5+ years I have built an extensive aircraft tracking/decoding website around Node-RED. As time goes on, I am spending more and more time writing custom function block code to decode each type of string / t…

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## [Cannot GET /example on Docker](https://discourse.nodered.org/t/cannot-get-example-on-docker/13614)

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**Author:** [@markkus.rosa](https://discourse.nodered.org/u/markkus.rosa)\
**Replies:** 1\
**Last updated:** [17 November 2020 12:33 UTC](https://discourse.nodered.org/t/cannot-get-example-on-docker/13614 "2020-11-17T12:33:49Z")

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I need to access a url inside a container www.example.com/example but I get this error Cannot GET /example I'm trying to access to thet a System hooks. That will be placed in the /example The url example.com is ok. …

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## [Not seeing coordinates on worldmap](https://discourse.nodered.org/t/not-seeing-coordinates-on-worldmap/36000)

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**Author:** [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Replies:** 27\
**Last updated:** [17 November 2020 11:18 UTC](https://discourse.nodered.org/t/not-seeing-coordinates-on-worldmap/36000 "2020-11-17T11:18:53Z")

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\[{"id":"b2c925db.9b5638","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"ac27147f.1ecc58","type":"buffer-parser","z":"b2c925db.9b5638","name":"Bulid Tags","data":"payload","dataType":"msg","specification…

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## [\[error\] \[function:ad5d176.511d5e8\] RangeError: Maximum call stack size exceeded](https://discourse.nodered.org/t/error-function-ad5d176-511d5e8-rangeerror-maximum-call-stack-size-exceeded/35813)

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**Author:** [@akhtar321h](https://discourse.nodered.org/u/akhtar321h)\
**Replies:** 2\
**Last updated:** [17 November 2020 11:57 UTC](https://discourse.nodered.org/t/error-function-ad5d176-511d5e8-rangeerror-maximum-call-stack-size-exceeded/35813 "2020-11-17T11:57:44Z")

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Hello Everyone, I am working with modbus-RTU. It is working fine but after some time I am getting this error ( \[error\] \[function:ad5d176.511d5e8\] RangeError: Maximum call stack size exceeded). Please help me out to res…

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## [Change Node Red Icon on Mobile phone](https://discourse.nodered.org/t/change-node-red-icon-on-mobile-phone/36043)

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**Author:** [@IOT\_Explorer](https://discourse.nodered.org/u/IOT_Explorer)\
**Replies:** 4\
**Last updated:** [17 November 2020 09:12 UTC](https://discourse.nodered.org/t/change-node-red-icon-on-mobile-phone/36043 "2020-11-17T09:12:24Z")

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Hi Guys, I'm new to node red and I just started using Node red for my projects and it is amazing. However is there any way that you could teach me how the change the icon in the mobile phone to my own icon. Thank you v…

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## [No dubug message in sidebar when using readBigInt64BE](https://discourse.nodered.org/t/no-dubug-message-in-sidebar-when-using-readbigint64be/36040)

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**Author:** [@izebigyo](https://discourse.nodered.org/u/izebigyo)\
**Replies:** 2\
**Last updated:** [17 November 2020 08:48 UTC](https://discourse.nodered.org/t/no-dubug-message-in-sidebar-when-using-readbigint64be/36040 "2020-11-17T08:48:17Z")

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Hello, I discovered an interesting behavior in node red. I'm using the node-red-contrib-modbus pallete and its modbus-server node to read data from a modbus tcp. Debugging its output with the debug node works fine. Whe…

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## [Using 'javascript-color-gradient' in node red function node?](https://discourse.nodered.org/t/using-javascript-color-gradient-in-node-red-function-node/36037)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 1\
**Last updated:** [17 November 2020 05:46 UTC](https://discourse.nodered.org/t/using-javascript-color-gradient-in-node-red-function-node/36037 "2020-11-17T05:46:42Z")

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I installed the gradient module I want to use... $ npm install javascript-color-gradient I set the module in settings.js file... functionGlobalContext: { os:require('os'), i2c:require('i2c-bus'), …

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## [Subflow parameter credential type](https://discourse.nodered.org/t/subflow-parameter-credential-type/35835)

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**Author:** [@supercross99](https://discourse.nodered.org/u/supercross99)\
**Replies:** 2\
**Last updated:** [17 November 2020 04:41 UTC](https://discourse.nodered.org/t/subflow-parameter-credential-type/35835 "2020-11-17T04:41:01Z")

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Hello, first post on here. Am I missing the feature that was supposed to be introduced in 1.1.0 where subflow parameters can be set to a credential type? I found a related post stating that it'd be in 1.1.0: reference …

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## [Moving whole object one level down](https://discourse.nodered.org/t/moving-whole-object-one-level-down/36030)

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**Author:** [@JSONata](https://discourse.nodered.org/u/JSONata)\
**Replies:** 4\
**Last updated:** [16 November 2020 22:56 UTC](https://discourse.nodered.org/t/moving-whole-object-one-level-down/36030 "2020-11-16T22:56:48Z")

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Hallo, I want to move the whole message one level down. So everything what is in the message should go to payload. I try with { "payload" : $ } On try.jsonata.org it works perfectly, see https://try.jsonata.org/-…

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## [NOOB, help getting info from site](https://discourse.nodered.org/t/noob-help-getting-info-from-site/36028)

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**Author:** [@Millsy79](https://discourse.nodered.org/u/Millsy79)\
**Replies:** 1\
**Last updated:** [16 November 2020 22:44 UTC](https://discourse.nodered.org/t/noob-help-getting-info-from-site/36028 "2020-11-16T22:44:57Z")

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Hi Is it possible to use nodered to get my bin schedule from my councils website. https://adt.oldham.gov.uk/Forms/bincollectiondates/details I have to enter my post code and then pick my address to get the relevent inf…

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## [Node Red RPi - GPIO in flow](https://discourse.nodered.org/t/node-red-rpi-gpio-in-flow/35922)

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**Author:** [@fenJames](https://discourse.nodered.org/u/fenJames)\
**Replies:** 7\
**Last updated:** [16 November 2020 17:31 UTC](https://discourse.nodered.org/t/node-red-rpi-gpio-in-flow/35922 "2020-11-16T17:31:46Z")

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Good afternoon, New user here, loving it so far with Hubitat and Pi integrations. This is specifically for the Pi integration, I am currently using the "default" node-red-node-pi-gpio I am trying to get a signal from …

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## [How to create/send a telegram-conform video format?](https://discourse.nodered.org/t/how-to-create-send-a-telegram-conform-video-format/35996)

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**Author:** [@loeten](https://discourse.nodered.org/u/loeten)\
**Replies:** 4\
**Last updated:** [16 November 2020 16:39 UTC](https://discourse.nodered.org/t/how-to-create-send-a-telegram-conform-video-format/35996 "2020-11-16T16:39:31Z")

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Dear all, I use the telegram node and a telegram bot to send short video files to telegram, like explained here: This works, but I cannot watch the video on my mobile phone instantly/directly in telegram. The first f…

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## [Converting DateTime to dd/mm/yyyy hh:mm](https://discourse.nodered.org/t/converting-datetime-to-dd-mm-yyyy-hh-mm/36012)

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**Author:** [@aa123](https://discourse.nodered.org/u/aa123)\
**Replies:** 2\
**Last updated:** [16 November 2020 16:12 UTC](https://discourse.nodered.org/t/converting-datetime-to-dd-mm-yyyy-hh-mm/36012 "2020-11-16T16:12:16Z")

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So I am currently converting DateTime to epoch time when parsing the date, it is doing in the format of mm/dd/yyyy hh:mm. How do I get it to dd/mm/yyyy: Here is the code so far: temp.JSON.parse(msg.payload); node.log(…

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## [Machine alarm email notification using a flashing light](https://discourse.nodered.org/t/machine-alarm-email-notification-using-a-flashing-light/35749)

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**Author:** [@OrluckIndBJ](https://discourse.nodered.org/u/OrluckIndBJ)\
**Replies:** 8\
**Last updated:** [16 November 2020 16:03 UTC](https://discourse.nodered.org/t/machine-alarm-email-notification-using-a-flashing-light/35749 "2020-11-16T16:03:39Z")

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Hello, I am new to Node-RED and Raspberry Pi's. I am trying to get a Raspberry Pi to email a notification using an alarm light on our machine that flashes. I have figured out how to get an email once it starts to flash a…

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## [Getting player state of sonos device on update](https://discourse.nodered.org/t/getting-player-state-of-sonos-device-on-update/36008)

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**Author:** [@el.whappo](https://discourse.nodered.org/u/el.whappo)\
**Replies:** 0\
**Last updated:** [16 November 2020 14:54 UTC](https://discourse.nodered.org/t/getting-player-state-of-sonos-device-on-update/36008 "2020-11-16T14:54:54Z")

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Hi, I have various Sonos devices in my home which I'm controlling using the contrib-sonos-plus nodes and everything works just fine. Up to now I'm getting the player status (like playback status and volume) by querying…

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## ["Connection Lost" issue while processing in Node Red](https://discourse.nodered.org/t/connection-lost-issue-while-processing-in-node-red/35986)

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**Author:** [@krisluks](https://discourse.nodered.org/u/krisluks)\
**Replies:** 4\
**Last updated:** [16 November 2020 14:48 UTC](https://discourse.nodered.org/t/connection-lost-issue-while-processing-in-node-red/35986 "2020-11-16T14:48:49Z")

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I'm having trouble with the NodeRed UI (Version 1.2.2) where I'm getting constant connection lost messages when I'm processing data through my nodes. Once Node regains connection, it refreshes the tab which breaks the UI…

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## [MQTT Out Node Constantly Disconnecting](https://discourse.nodered.org/t/mqtt-out-node-constantly-disconnecting/14251)

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**Author:** [@Cheese](https://discourse.nodered.org/u/Cheese)\
**Replies:** 9\
**Last updated:** [16 November 2020 13:12 UTC](https://discourse.nodered.org/t/mqtt-out-node-constantly-disconnecting/14251 "2020-11-16T13:12:17Z")

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Hi all, I've been playing with Node-Red for just a little while. I have a flow that reads from SQLite and outputs to MQTT. This was working fine for several months but at some point recently the MQTT Out Node started pl…

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## [Removing \_msgid from object](https://discourse.nodered.org/t/removing-msgid-from-object/35959)

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**Author:** [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Replies:** 6\
**Last updated:** [16 November 2020 12:39 UTC](https://discourse.nodered.org/t/removing-msgid-from-object/35959 "2020-11-16T12:39:54Z")

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## [Using Oauth1.0a REST Api](https://discourse.nodered.org/t/using-oauth1-0a-rest-api/35584)

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**Author:** [@rueben](https://discourse.nodered.org/u/rueben)\
**Replies:** 4\
**Last updated:** [16 November 2020 11:16 UTC](https://discourse.nodered.org/t/using-oauth1-0a-rest-api/35584 "2020-11-16T11:16:36Z")

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Hi, does anyone have a sample flow with the Oauth1.0a to make an API call in nodered (Twitter API or any other publicly available service)? @afelix? Thanks, Rueben.

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## [Using Sub-Flow Env.Variable to set context failes](https://discourse.nodered.org/t/using-sub-flow-env-variable-to-set-context-failes/35991)

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**Author:** [@crackytsi](https://discourse.nodered.org/u/crackytsi)\
**Replies:** 2\
**Last updated:** [16 November 2020 10:57 UTC](https://discourse.nodered.org/t/using-sub-flow-env-variable-to-set-context-failes/35991 "2020-11-16T10:57:11Z")

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Hi, I have a sub-flow that has an environment Variable, lets call it "FILENAME". This variable will be set whenever the new sub-flow is used. Inside the sub-flow, there is a function node with the following code: fil…

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## [Write event to persistence switch](https://discourse.nodered.org/t/write-event-to-persistence-switch/35990)

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**Author:** [@Chura](https://discourse.nodered.org/u/Chura)\
**Replies:** 1\
**Last updated:** [16 November 2020 08:59 UTC](https://discourse.nodered.org/t/write-event-to-persistence-switch/35990 "2020-11-16T08:59:21Z")

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Hi, On my flow I want to check if a switch in my home is on. The switch send event ON or OFF once its triggered. How should I do that ? write that even to variable and check the variable ? will this variable reset on …

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## [MQTT and Counter](https://discourse.nodered.org/t/mqtt-and-counter/35977)

<div class="topic-metadata">

**Author:** [@Chura](https://discourse.nodered.org/u/Chura)\
**Replies:** 2\
**Last updated:** [16 November 2020 08:48 UTC](https://discourse.nodered.org/t/mqtt-and-counter/35977 "2020-11-16T08:48:14Z")

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I'm trying to create something, but I'm stuck :frowning: I use MQTT as input, where I get ON/OFF msgs. What I want to do is: When ON received - Start looping max 10 times with delay of 1.5ms (user msg.delay so that fi…

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## [Telegram bot answer chatId](https://discourse.nodered.org/t/telegram-bot-answer-chatid/35989)

<div class="topic-metadata">

**Author:** [@Lorenzo](https://discourse.nodered.org/u/Lorenzo)\
**Replies:** 3\
**Last updated:** [16 November 2020 08:34 UTC](https://discourse.nodered.org/t/telegram-bot-answer-chatid/35989 "2020-11-16T08:34:13Z")

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Good morning, I want to experiment the integration with a telegram bot. How do I respond to a specific chatId (of the received message) by inserting in msg.payload.content the content read from a file. In other words,…

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