BITalino, low-cost hardware and open source software toolkit
Smaller than a credit card, BITalino is a low-cost hardware and open source software toolkit, aligned with the DIY (do-it-yourself) movement. It enables anyone to create quirky and serious projects alike for wearable health tracking devices. The base kit includes sensors to measure your muscles, heart, nervous system, motion, and ambient light—and it includes a microcontroller, Bluetooth, power management module, and all the accessories needed to start working.
Complete Article: BITalino at OpenSource.com