Arduino Micro Microcontroller Board

Description

Overview

Discover the Arduino Micro Microcontroller Board, a tiny yet powerful platform co-developed with Adafruit, designed to bring your electronics projects to life. Powered by the ATmega32U4 microcontroller, the Micro offers 20 digital input/output pins (including 7 PWM outputs and 12 analog inputs), a 16 MHz crystal oscillator, and a micro USB connection for easy programming and power. Its slim form factor (48 mm x 18 mm) and lightweight design (13 g) make it ideal for breadboard prototyping, wearable tech, and space-constrained projects.

Like its sibling, the Arduino Leonardo, the Micro features built-in USB communication, eliminating the need for a secondary processor. This allows the board to emulate a mouse or keyboard on a connected computer, in addition to functioning as a virtual (CDC) serial/COM port. Whether you’re automating tasks, building interactive devices, or experimenting with IoT, the Micro delivers unmatched flexibility in a compact package.

The board supports UART, I2C, and SPI communication, enabling integration with a wide range of sensors and peripherals. It’s compatible with the Arduino IDE, Arduino CLI, and Cloud Editor, making it accessible for both beginners and advanced users. Popular libraries like Keyboard and Mouse unlock advanced HID (Human Interface Device) capabilities, while the Serial Library helps you test outputs safely. The Micro is also compatible with Arduino shields and accessories, expanding its potential for robotics, home automation, and more.

Certified with CE, UKCA, REACH, and FCC standards, the Arduino Micro ensures safety and reliability for global use. Its 13 g weight and breadboard-friendly design make it a favorite among makers, educators, and students. From creating custom game controllers to prototyping IoT devices, the Arduino Micro is your go-to board for compact, innovative projects.

Note: When using the Mouse or Keyboard libraries, implement a control system (e.g., a physical switch) to manage HID functions, as continuous operation may interfere with programming. Test outputs using Serial.print() to verify values before deploying HID commands. Visit the Arduino Project Hub for inspiration and tutorials to kickstart your next project!