 Meet Double, a versatile project making app that transforms your smartphone into countless virtual shields and much more. Exploit these sensors in your phone to make endless cool projects. Like you want, our gamer is so engrossed in. The best part? It's super easy. Just write the code in Arduino IDE or scratch, upload it to your board, select your Bluetooth device and pair it with Double. Open the module and low and behold. Double works with popular boards like the Arduino Uno, Mega, ESP32 and Device. Basically everything with the Bluetooth 2.0, 4.0 or BLE. With Double, the possibilities are truly endless. Controlled robots, both simple and complex. Challenge your friends to a game of Robo Soccer. Make a line follow using your phone's camera or create music with colors. With Double, even super complex ART projects become a piece of cake. Just give some voice commands and watch the magic happen. Turn off the light. You can also visualize your own heartbeat using the oscilloscope module. And you never lose your data. Because Double's data logger lets you record sensor readings and extremely handy tool for your experiments. Having trouble calibrating or debugging your project? The pin state monitor is here to save your day. It lets you remotely monitor the life status of all pins and detect the fault real quick. Receive timely notifications and messages and stay in complete control of your project. Always. Publish or fetch data online with ease by connecting your board to the internet. Play music or record a message using the music module and make your beloved's day with innovative surprises. Will you marry me? You can also use multiple modules together. The same way we use the sensor and camera modules to click a group picture for you. All you gotta do is make some noise. Double lets you make countless exciting projects and that too completely for free. Save tons of money with Double, the only shield you need. Download the app now to bring innovation to your fingertips.