Getting Started with Blynk. Download Blynk App for Android or iOS. Blynk for Android. Get the Auth Token. In order to connect Blynk App and your hardware, you need an Auth Token. Install Blynk Library. Download Blynk Library. Create your first example sketch code. Paste the Auth Token.
Blynk is a Platform with iOS and Android apps to control Arduino, Raspberry Pi and the likes over the Internet.