Arduino Mega 2560 Rev3

Features of Arduino Mega R3:

1. Microcontroller: ATmega2560
2. Operating Voltage: 5V
3. Input Voltage (recommended): 7-12V
4. Input Voltage (limits): 6-20V
5. Digital I/O Pins: 54 (of which 15 provide PWM output)
6. Analog Input Pins: 16
7. DC Current per I/O Pin: 40 mA
8. DC Current for 3.3V Pin: 50 mA
9. Flash Memory: 256 KB of which 8 KB used by bootloader
10. SRAM: 8 KB
11. EEPROM: 4 KB
12. Clock Speed: 16 MHz
13. USB Host Chip: MAX3421E