Arduino MEGA2560 MEGA Development Board

CH340G Replace ATMEGA16U2
Microcontrols:ATmega2560
Operating Voltage:5V
Input Voltage (recommended):7-12V
Input Voltage (limits):6-20V
Digital I/O Pins:54 (of which 15 provide PWM output)
Analog Input Pins:16
DC Current per I/O Pin:40 mA
DC Current for 3.3V Pin:50 mA
Flash Memory:256 KB of which 8 KB used by bootloader
SRAM: 8KB
EEPROM:4 KB