SEDNA - Mega 2560 R3 is micro-controller board based on ATMega 2560. It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UAR
Ts (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It is based on the Open source Arduino Mega 2560 and is fully compatible to it. It also fits to all shield designed for Arduino.
Technical Specifications:
Microcontroller: ATmega2560
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Input Voltage (limit): 6-20V
Digital I/O Pins: 54
PWM Digital I/O Pins: 14 Analog
Input Pins: 16 DC Current per
I/O Pin: 40 mA DC Current for 3.3V
Pin: 50 mA
Flash Memory: 256 KB Flash
Memory for Bootloader: 8
KB SRAM: 8
KB EEPROM: 4
KB Clock Speed: 16 MHz
Package Content: 1 x Arduino Mega 2560 1 x USB Cable