Our Adafruit Bluefruit LE (Bluetooth® Smart, Bluetooth® Low Energy, Bluetooth® 4.0) nRF8001 Breakout allows you to establish an easy to use wireless link between your Arduino and any compatible iOS or Android (4.3+) device. It works by simulating a UART device beneath the surface, sending ASCII data back and forth between the devices, letting you decide what data to send and what to do with it on either end of the connection.Unlike classic Bluetooth, Bluetooth® Low Energy has no big contracts to sign and no major hoops that you have to jump through to create...