Black Swift (Unwired One) - open-source, coin-sized wireless computer

Asking Price: 
$25
Description: 

Black Swift is a tiny - coin-sized - embedded computer with powerful CPU, integrated Wi-Fi and USB interface, and OpenWRT support.

Qualcomm Atheros AR9331 SoC
MIPS 24K CPU core at 400 MHz
64 MB DDR2 RAM and 16 MB NOR flash
Over 25 GPIOs
Ultra-compact at just 25×35 mm (1×1.4 in)
All necessary components on a single board, including Wi-Fi
Easy to use, easy to integrate into your design
Programming languages from C/C++ to PHP and Python

Images: