NEW VERSION! The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Mega is compatible with most shields designed for the Arduino Duemilanove or Diecimila.
Adafruit includes rubber bumpers with our Arduinos including the Arduino MEGA!
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I really wish they brought out the rest of the pins, or at least PD4 and PE7 – two more input captures.
But that is the wonderful thing about opensource hardware – someone will come up with their idea of an improved board.
Seed has a complete breakout in their reinterpretation of the Mega
Or digilent http://www.digilentinc.com/ that has a 2560 with external ram with everything broken out, designed especially for servos. (not quite opensource HW, but schematics are available).
I find it a bit disappointing.
I really wish they brought out the rest of the pins, or at least PD4 and PE7 – two more input captures.
But that is the wonderful thing about opensource hardware – someone will come up with their idea of an improved board.
Seed has a complete breakout in their reinterpretation of the Mega
Or digilent http://www.digilentinc.com/ that has a 2560 with external ram with everything broken out, designed especially for servos. (not quite opensource HW, but schematics are available).