Arduino Leonardo Development Board Atmega32U 4

Microcontroller: ATmega32u4

Operating Voltage: 5V

Input Voltage (Recommended): 7-12V

Input Voltage (limits): 6-20V

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

Length: 68.6 mm

Width: 53.3 mm

Weight: 20g