Arduino UNO R3 Development Board -Made In Italy
Microcontroller:? ATmega328P
Operating Voltage:? 5V
Input Voltage (recommended):? 7-12V
Digital I/O Pins:? 14 (of which 6 provide PWM output)
PWM Digital I/O Pins:? 6
Analog Input Pins:? 6
DC Current per I/O Pin:? 20 mA
DC Current for 3.3V Pin:? 50 mA
Flash Memory:? 32 KB (ATmega328P) of which 0.5 KB is used by the bootloader
SRAM:? 2 KB (ATmega328P)
EEPROM:? 1 KB (ATmega328P)
Clock Speed:? 16 MHz