Features:
Microcontroller ATmega328P
Operating voltage of 5V
Maximum supply voltage 6 to 20V
Digital I/O pins 14 (of which 6 provide PWM output)
DC current per I/O pin 40mA
DC current for 3.3V pin 50mA
Flash memory16KB of which 2KB is used by boot loader
SRAM 2KB, EEPROM 1KB
Clock speed 16MHz
Can be powered via the USB connection or with an external power supply