Bluefruit LE UART Friend - Bluetooth Low Energy (BLE 4.0) - Adafruit 2479

The board with Bluetooth BLE module and pins of the interface UART: RX and C pins. The device can be attached to the USB port of the computer using the adapter USB-UART or connect to any microcontroller, e.g. an Arduino.

The software for these modules are created by the manufacturer - Adafruit company. Thanks to this, it is constantly updated, according to customers' suggestions.

To connect the Bluefruit to the mobile phone, the manufacturer has released an application for smartphones with operating systems:

• iOs
• Android

• The system is controlled by a microcontroller with ARM Cortex M0
• Operating frequency 16 MHz
• Flash memory: 256 KB
• SRAM: 32 KB
• UART communication:
  • Speed: 9600 bps
  • Flow control (CTS + RTS)
• Built-in voltage regulator of 3.3 V
• It supports AT commands
• Board sizes: 32 x 21 x 5 mm
• Weight: approx 3.5 g

• The website of the manufacturer: Adafruit 2479
• User manual Bluefruit LE Friend
• App for iOS
• App for Android