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Arduino Leonardo Microcontroller Board
The Arduino Leonardo is a development board based on the ATmega32u4 microcontroller. It contains everything needed to support the microcontroller. Simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
On-chip Flash memory 32KB of which 4KB used by bootloader
On-chip SRAM 2.5KB
On-chip EEPROM 1KB
20 x GPIO pins (of which 7 can be used as PWM outputs and 12 as analogue inputs)
16MHz crystal oscillator
Micro USB connection, power jack, an ICSP header, and a reset button
Standard Arduino format to accept Arduino Shields
AVR Microcontrollers, Atmel
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