Adafruit Bluefruit LE Micro - Bluetooth Low Energy + ATmega32u4

Meet the Adafruit Bluefruit LE Micro, a compact powerhouse merging the ATmega32u4 microcontroller with our versatile Bluefruit LE module. Built to easily integrate Bluetooth Low Energy into your creative electronic projects, this device allows seamless communication with modern smartphones and tablets.

The ATmega32u4 offers 8MHz processing speed, 3.3V logic compatibility, 28KB of flash memory, and 2KB RAM. It features 20+ GPIO pins including I2C, SPI, UART, and 6 analog inputs, providing ample connectivity options for sensors and peripherals.

The Bluefruit LE module, powered by the robust nRF51822 chipset, excels in transmitting data and offers customizable GATT services via an intuitive AT command set. Use our dedicated iOS and Android apps to interface easily with your projects, utilizing built-in tools like color pickers, game control pads, and sensor readings.

Compatible with Arduino IDE, you can program the board over USB for rapid development. Plus, the board supports a rechargeable Lithium Polymer battery, perfect for portable projects. With built-in over-the-air updates, you’ll keep up with the latest firmware enhancements.

This versatile tool is ideal for creating BLE-enabled devices such as HID keyboards, heart rate monitors, and UriBeacons. Each unit comes ready to integrate, complete with a USB bootloader and optional headers for breadboard use.