FEATURES: • ATXMEGA128A1 microcontroller with • USB to RS232 converter, allow the board to be powered from USB port • LCD 8x1 alphanumeric LCD • SD/MMC card connector • Atmel 2x5 layout JTAG connector (can be used with ATJTAGICE-MK2, AVR Dragon debugger) • two user buttons • reset button • 6-9VAC/DC input power supply with diode bridge, polarity independant • UEXT universal connector • audio input • audio output • extension pin headers for each uC pin • 8MHz crystal • 32.768 kHz crystal • status LED • four mounting holes 3.3 mm (0.13") • FR-4, 1.5 mm (0,062"), red soldermask, white silkscreen component print • dimensions 100x80 mm (3.9x3.15")