Microcontroller : ATmega328P

 

Operating Voltage : 5V

 

Input Voltage (recommended) : 7-12V

 

Input Voltage (limit) : 6-20V

 

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 used by bootloader

 

SRAM : 2 KB (ATmega328P)

 

EEPROM : 1 KB (ATmega328P)

 

Clock Speed : 16 MHz

 

LED_BUILTIN : 13

 

Length : 68.6 mm

 

Width  : 53.4 mm

 

Weight : 25 g