Adafruit Bluefruit LE Friend BLE 4.0 nRF51822 v2.0

The Bluefruit LE Friend BLE 4.0 nRF51822 v2.0 is a versatile electronics module that enables easy connectivity between a computer and BLE-enabled devices such as smartphones or tablets. It acts as a USB-to-BLE adapter and utilizes a standardized serial/UART connection to wirelessly transmit data. This module is particularly useful for developers looking to debug or develop BLE devices or apps. With its user-friendly interface and support for various terminal emulators, it is easy to exchange data between the computer and the connected device. The module is equipped with a powerful Nordic nRF51822 chipset and offers a variety of features that facilitate the development and testing of BLE applications.

• Fully transparent data mode for USB to Bluetooth LE UART connectivity
• Supports both Nordic and Adafruit UART apps for iOS and Android
• Optional command mode for configuring GATT services and characteristics
• Integrated Over-the-Air DFU bootloader for firmware reprogramming
• Four LED indicators for status monitoring and communication.