![Arduino Leonardo with Headers [A000057] - ATmega32U4 Microcontroller, 16MHz, 20 Digital I/O Pins, 7 PWM, USB HID Support, Built-in USB Communication, Compatible with Arduino IDE for Custom Projects](https://m.media-amazon.com/images/I/51MbegXTGTL._SL500_.jpg "Arduino Leonardo with Headers [A000057] - ATmega32U4 Microcontroller, 16MHz, 20 Digital I/O Pins, 7 PWM, USB HID Support, Built-in USB Communication, Compatible with Arduino IDE for Custom Projects")
Product Review
The Arduino Leonardo board, using the ATmega32u4 microcontroller, provides built-in USB communication so that it can act as a mouse or keyboard to a connected computer, in addition to a virtual (CDC) serial or COM port.
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