Recommendations for creating a new topic in Forum

Hello, Blynkers!

Please follow these recommendations when creating a new topic. :pray:

  1. Check the forum if there are similar or identical topics :face_with_monocle:. If so, describe your problem in the comments of that topic.
  2. Check Blynk docs You may find answers to your questions there. :face_with_monocle: :open_book:
  3. Carefully select a category and attach tags:
  • Need Help with my Project” - used when seeking help with a programming or “how to” problem
  • Issues and Errors” - used to flag-up bugs in the app, web console or Blynk libraries
  • Blynk 2.0” - used for queries regarding billing, device and template limits etc. in Blynk IoT
  • Ideas” - used to suggest improvements or additional features in Blynk
  • Projects Made with Blynk” - used to showcase Blynk projects that you’ve created
  • FAQs” - used for sharing FAQ guides to Blynk common related questions
  • Announcements” - used by Blynk staff to announce important information
  • Solved” - “Need Help…” and “Issues and Errors” topics may be re-categorised as solved when resolved. The tags assigned to the topic are retained when this happens
  1. If you have problem with hardware :pager:, first read the support documentation for your hardware :open_book:

  2. Also check your current Blynk library version. The latest version of the C++ library (at the time of writing) is 1.2.0 Releases · blynkkk/blynk-library · GitHub. You can read more about the features of this release here: New Blynk Library Release v1.2.0

    If you are using a different programming language then please check for the latest version at:
    GitHub - blynkkk/blynk-library: Blynk library for IoT boards. Works with Arduino, ESP32, ESP8266, Raspberry Pi, Particle, ARM Mbed, etc.
    Please state which library (programming language) and version you have installed.

  3. Also check the limits of your tariff plan

  4. If you are a beginner, you can use the sketch examples:

  1. Also please read troubleshooting topics in forum and troubleshooting docs, like
  2. Check the latest versions of apps. :iphone: Android - Google Play, iOS - App Store
  3. If you have problems with hardware or sketch, please provide:
  • full model of your hardware, like ESP32 Devkit V1;
  • attach logs in serial monitor of IDE, like:
  • provide your full sketch (remove AuthToken, WiFi credentials, etc.)
  • also provide a screenshot of the error in the output if there is an error
  1. Specify your server, if you do not know your server, look in the lower right part of the web console, like:

  2. If you have a problem with the mobile app :iphone:, please provide:

  • full phone model, like iPhone XR (iOS) or Samsung Galaxy A23 (Android);
  • full phone OS, like 16.2 (iOS) or Android 13;
  • your Blynk version app, you can find in About category, like:
  1. If you have a problem with the web console, please provide:
  • browser full version, like Google Chrome 110.0.5481.96
  • your PC OS, like Windows 10
  1. Also, if possible, please attach
  • screenshots from platforms (WEB, Mobile);
  • video screen recording. You can attach a link to a file hosting or attach in GIF frormat. You can convert videos from MP4 or MOV formats to GIF format
    support formates


  1. If you have a bug, please provide steps to reproduce it if possible.

  2. Also please write your plan, like FREE, MAKER 10,20, PRO 40,100,500,1000

Regards. Successful projects.


Most importantly,

If your issue is not found on the forum and want to show us your code or serial monitor output,

Post the sketch or output from the serial monitor, do not post screenshots.

But paste the text/code properly formatted with triple backticks( ``` :point_left:t2: triple backticks looks like this)

At the beginning and ending of the sketch/text.

So that its easy to read.


update post

In very rare cases, console crashes occur.
If you encounter such a case as in the screenshot below, please create a topic with a bug on the forum. Also please describe the reproduction steps, add a screenshot or preferably a video recording of the failure.