Arduino Leonardo DFRobot

SPECIFICATION
Input Voltage (recommended): 7-12V
Input Voltage (limits): 6-20V
Microcontroller:ATmega32u4
Operating Voltage: 5V
Interface: Micro USB
Digital I/O Pins: 20
PWM Channels: 7
Analog Input Channels: 12
DC Current per I/O Pin: 40 mA
DC Current for 3.3V Pin: 50 mA
Flash Memory 32 KB (ATmega32u4) of which 4 KB used by bootloader
SRAM: 2.5 KB (ATmega32u4)
EEPROM: 1 KB (ATmega32u4)
Clock Speed 16 MHz
Size: 70x55x14mm(2.76"x2.17"x0.55")
Weight: About 20g