Control Your Projects with the Blynk App

Don't know how to code an Android app? No problem! Blynk is a platform that lets you build a mobile interface for your IoT projects in minutes, with zero app development experience.

What is Blynk?

Blynk is a no-code platform for IoT. It provides:

• A Mobile App (iOS/Android) with drag-and-drop widgets (buttons, sliders, gauges).
• A Cloud Server that relays data between your app and your device.
• Arduino/ESP32 Libraries that make connection effortless.

Setting Up (Step-by-Step)

1. Download Blynk App: From the Play Store or App Store.
2. Create an Account: Free tier is available.
3. Create a New Project: Select your hardware (ESP32).
4. Get Auth Token: An email will be sent with a unique token.
5. Install Library: In Arduino IDE, install the Blynk library.
6. Connect to WiFi: Use the Blynk example code, paste your token and WiFi credentials.
7. Add Widgets: In the app, add a button and link it to a Virtual Pin (e.g., V0).
8. Write Code: In Arduino, use BLYNK_WRITE(V0) { ... } to handle button presses.
9. Run!

Example Use Cases

• Turn on a light from your bed.
• Monitor home temperature on a graph.
• Get alerts when motion is detected.

Try It With Our Kits

Our Home Automation using IR Remote can easily be adapted to use Blynk instead of IR!