O'Reilly logo

Make: Getting Started with Arduino, 3rd Edition by Michael Shiloh, Massimo Banzi

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 6. The Arduino Leonardo

Up to now, I’ve pretended there is only one type of Arduino board, the Arduino Uno. In fact, there are a number of different Arduino boards, which you can see by visiting the “Products” section of the Arduino website.

In this chapter I want to discuss the Leonardo, because it’s rather unique.

How Is This Arduino Different from All Other Arduinos?

As you might remember from Chapter 3, the heart of the Arduino Uno is a microcontroller called the ATmega328. What I didn’t tell you then was that there is actually a second microcontroller on the Uno, an ATmega16U2, which is responsible for handling the USB interface. You may have noticed this next to the USB connector. The reason I haven’t mentioned this chip before ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required