BLE-Shield v2.0.0 based on Bluegiga’s BLE112 Module
 
The Bluetooth Low Energy (BLE) Shield for Arduino is a Shield that enabled Arduino Projects to communicate with Bluetooth 4.0 enabled smartphones and tablets.
Version 2.0 of the Shield has some great new features which makes it even better, easier and more versatile to use.
 
Features:
 
iPhone App:
In order to access the features of the BLE-Shield v2.0.0 such as controlling baud rate and the serial port the iPhone App BLExplr is recommended.
 
Documents:
The Schematic, Boardfiles and Firmware sources available at the authors github repository available at here
A detailed description about the services and characteristics can be found at the authors BLE-Shield v2.0.0 Blog Pages.
 
Support:
Please visit the authors BLE-Shield Blog pages.
or Dr. Michael Kroll’s Mobile Computing Forum at "http://forum.mkroll.mobi" about the BLE-Shield v2.0.0