Feature :
-Microcontroller: ATmega328
-Operating Voltage: 5V
-Input Voltage (recommended):7-12V
-Input Voltage (limits) :6-20V
-Digital I/O Pins :14 (of which 6 provide PWM output)
-Analog Input Pins:6
-DC Current per I/O Pin :40 mA
-DC Current for 3.3V Pin :50 mA
-Flash Memory :32 KB (ATmega328) of which 0.5 KB used by bootloader
-SRAM :2 KB (ATmega328)
-EEPROM :1 KB (ATmega328)
-Clock Speed :16 MHz