Micro-controller: Atmel ATmega328 * Operating Voltage:5 V * I/O Pins:14 Digital (of which 6 provide PWM output), 8 Analog * DC Current per I/O Pin:40 mA * Flash Memory - 32 KB (2 KB used by bootloader), SRAM - 2 KB, EEPROM - 1 KB, Clock Speed- 16 MHz