Chelsea Online

Arduino Small Form Factor Boards - TinyCircuits ASD2112-R, The TinyCircuits TinyShield Bluetooth Low-energy shield uses the Bluegiga BLE112 module and lets you connect your projects using Bluetooth 4 Low Energy (also known as Bluetooth Smart). This version of Bluetooth is supported on newer phones (like the iPhone 4s, and 5). This technology is great for low power sensors and accessories and has excellent line of sight range. TinyCircuits ASD2112-R Miniature Arduino Compatible Bluetooth Low Energy Shield