Adafruit Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822

Key Features Completely transparent Data mode for USB to Bluetooth LE UART connectivity from computer to tablet/phone Connect to any phone or tablet with BLE, great for debugging or developing BLE devices or apps Works great with both Nordic (Android/iOS) or Adafruit (iOS) UART app, check out our source code if you want to create your own app! Uses the fancy Nordic nRF51822 chipset with custom firmware Comes with standard Over-the-Air DFU bootloader, reprogram firmware using any BLE-capable iOS or Android device The Bluefruit LE Friend is your new BLE BFF! This USB-to-BLE board makes it easy to get your computer talking to your BLE-enabled phone or tablet using a standard serial/UART connection.In its simplest form, it works on the same principle as a common USB/Serial adapter (the FTDI Friend, for example!). Any data that you enter via your favorite terminal emulator on your development machine will be transferred over the air to the connected phone or tablet, and vice versa, as a bas