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