Micropendous Android ADK Development Board

Android ADK Compatiblity! Tested with a Google Nexus S and an LG Optimus One (P500). Will work with any ADK-compatible Android phone with Android 2.3 or higher and the appropriate ADK libraries installed. NO SECONDARY SHIELD NECESSARY!
Completely Open Hardware Design. Schematic/layout/BillOfMaterials/assembly instructions available for Open Source KiCAD
RESET and HWB buttons for bootloader activation - no external programmer required!
USB or externally powered through the DC Jack (2.1mm ID, 5.5V to 15V input)
microSD connector in SPI Mode
5V rail capable of up to 1A and 3.3V rail capable of up to 500mA
Atmel AT90USB1287 USB AVR Microcontroller
USB 2.0 Full Speed (12Mbit/s)
USB Device and Host mode
USB-B connector for power sourcing, device development, and firmware upload
USB-A connector for USB Hosting
120kb of available FLASH memory for your programs (8kb used by USB bootloader - stock Atmel or LUFA)
On-chip 8192 bytes of SRAM and 4096 bytes of EEPROM
up to 128kbytes of available External SRAM
16MHz Crystal
25 available General Purpose IO (GPIO) Pins
I/O pins accessible through an Opennect compatible Opennect-Controller_MCU_5V-PWR_5W connector and/or Arduino compatible headers and/or STK500 compatible 0.1"x0.1" 5x2 DIL Headers
PortB is bidirectionally voltage translated to 3.3V through a TXB0108 IC
JTAG header for debugging or bootloader update
RoHS-compliant