Blynk – Control microcomputers with the smartphone over the Internet

[App] Blynk – IoT for Arduino, ESP8266/32, Raspberry Pi

BlynkBlynk : Control Arduino, ESP8266, ESP32, NodeMCU, Particle Photon, Raspberry Pi and other microcomputers with the smartphone over the Internet. Bluetooth and BLE supported too.

Create beautiful interfaces with widgets like buttons, knobs, graphs, displays and many more!

Start in 5 minutes:

If you have any questions, ask on our forum:

You can even share your project with friends and other makers by simply sending them the link.

Use our Blynk Cloud or deploy your own Blynk Server in a minute and have full privacy and control in your hands.

Supported boards and shields:
Arduino Uno
Arduino Mega
Arduino Nano
Arduino Mini
Arduino YÚN (Bridge)
Arduino Due
Arduino 101
Raspberry Pi
Particle Core (ex Spark Core)
Particle Photon
SparkFun Blynk Board
TinyDuino (CC3000)
Wicked WildFire (CC3000)

Shields and connections:
USB, connected to your laptop or desktop computer (no shield required!)
Ethernet shield (W5100)
Adafruit CC3000 WiFi
Official Arduino WiFi shield
HC-05, HC-06, HC-08, HM-10, etc.

And much much more…

Blynk user reviews :

Hi there, twitter widget is not connecting with my twitter account. Every time i tap ” Connect to twitter” ,my phone vibrates and show me the message that “Twitter configuration failed”. Please help!
  • Blynk Inc.April 5, 2019
  • We have just uploaded a new version with a fix to this issue.
Notification issues with the screen closed. The Samsung A5 2017, Android v 8.0 and the Blynk version is 2.27.2. Phone settings are fine. I use wi-fi or mobile data So, the application runs in background, to receive notifications I have to unlock the screen and get into the app. The phone is Samsung Galaxy A5 2017 with Android 8.0.0 and Samsung Experience 9.0 I’ve tried another Samsung Galaxy J5 2016 with Android versus 7.1.1 Samsung Experience 8.5 version and it works ok. Your phone settings for permissions are made like the Samsung Galaxy J5 2016. Is anyone who has encountered this problem?
  • Blynk Inc.March 20, 2019
  • Notifications widget settings has a button to open system settings screen for the projects notifications, there should be an option to enable/disable lock screen notifications. We will also check it on our side with Android 8, 9. On Pixel phone with Android 9 during our test there were no such issues.

Very good application, however latest update selected days in timer input keep clearing the selections and the selection are not as per the days selected. Rolled back to a previous version and it’s fine.

Big plus – Amazingly EASY to use with eye candy grafic. Big minus – at /*timer/ it misses /*days of the month .

device isnt online!? in my router it says my device connected!? why the hell this apps sys offline!?!
  • Blynk Inc.April 5, 2019
  • Probably the auth-token is wrong in your sketch, or there could be other issues with the sketch. Please make a post about this issue to – so we can have a more detailed conversation on your issue. Thanks

This is a very good app for IOT.

Excellent application for controlling IoT Device

Best IoT solution for arduino! Guys you did such a great job! you are amazing please keep up and don’t stop! Be open sourced! Can’t of 2019 functionality updates. If there will be such as features as mentioned in newletter i will kindly donate you

brilliant solution for personal IoT. i am able to do my college project thanks to this. i love its features. very simple to use yet a very powerful tool. also love the fact that there is no subscription bs for non-commercial use. you get some free points, but you want more, you dish out some money one time and have increased functionality. brilliant documentation, explanation and examples on their website and in the app. 10/5 highly recommended

this is a new way to control device. many thanks for blynk. before i used ovpn tunnel and port forward for iot . now i no need router vpn.

Contact developer :


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