Arduino Mega 2560 R3

Microcontroller Specifications:Microcontroller: ATmega2560Operating Voltage: 5VInput Voltage (recommended): 7-12VInput Voltage (limit): 6-20VDigital I/O Pins: 54 (15 provide PWM output)Analog Input Pins: 16DC Current per I/O Pin: 20 mADC Current for 3.3V Pin: 50 mA+Flash Memory: 256 KB (8 KB used by bootloader)SRAM: 8 KBEEPROM: 4 KBClock Speed: 16 MHzLED_BUILTIN: 13Dimensions:Length: 101.52 mmWidth: 53.3 mmWeight: 37 g