Atmega 2560, 128x64 display + SD, FTDI, ICSP, USB B power connector
Design by: 4625
All uarts in handy pin headers, external i2c connector. http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
Arduino "compatible" (FTDI connector). Longer pads to easier soldering of the Atmega 2560. Comments: joouni (the sign) gmail (point) com