Arduino Micro by

Product ID: 776
Genuino micro
  • Genuino micro
  • Genuino micro top
  • Genuino micro bottom
  • Genuino micro box
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Arduino Micro by is the smallest Arduino board to offer the full set of analog and digital pins. The Micro’s processor is as powerful as the Uno’s, but the small form factor allows embedding into tight spaces, invaluable for projects where weight and/or size are important factors. It’s ideal for projects that require a high number of connections with a small footprint. Plus, it fits directly into a breadboard for easy prototyping. The Micro is also capable of emulating a mouse or a keyboard when connected to a computer via USB.

Arduino Micro, developed in conjunction with Adafruit, is a board based on the ATmega32U4, an 8-bit AVR microcontroller from Atmel. It contains everything needed to support the microcontroller: simply connect it to a computer with a micro USB cable to get started. The Micro’s 0.1” pitch pins are designed for easy mounting on a breadboard. The Micro’s 32U4 processor has built-in USB communication, allowing the Micro to appear to a connected computer as a mouse and keyboard in addition to a virtual (CDC) serial / COM port.


Operating Voltage5V
Digital I/O Pins20
PWM Digital I/O Pins7
USB1 Micro B
Analog Input Pins12
DC Current Per I/O Pin20 mA
DC Current Per 3.3V Pin50 mA
Flash Memory32 Kb
SRAM2.5 Kb
Clock Speed16 Mhz
FeaturesNative USB, keyboard and mouse emulation
Dimensions48 mm (L) x 18 mm (W)