Arduino Micro
Best compact controller for custom keyboard and mouse interface projects.
This is the ultimate choice for projects that need to masquerade as a keyboard or mouse. Its breadboard-friendly footprint makes it incredibly easy to integrate, though you sacrifice the sheer processing power of larger boards for that essential, compact versatility.
$22.99
at
Micro Center
Who it's for
- Developers building custom USB peripherals and input devices
- Makers designing wearable tech or space-constrained electronics
- Prototypers needing quick breadboard connectivity without soldering
Who should skip it
- Budget-conscious hobbyists working on simple, non-compact projects
- Beginners who rely on visual feedback for troubleshooting
- Users prone to wiring errors in dense, complex circuits
Performance breakdown
Prototyping Versatility
Breadboard-friendly design makes rapid circuit iteration seamless and efficient.
HID Emulation
Native USB support allows effortless keyboard and mouse project integration.
I/O Connectivity
Ample digital and analog pins provide significant flexibility for complex sensors.
Form Factor
Compact footprint fits perfectly into space-constrained embedded electronics projects.
Processing Power
The ATmega32u4 is reliable for standard tasks but limited for heavy computation.
Ecosystem Compatibility
Seamless integration with the Arduino IDE ensures a smooth development experience.
Key Specs
Microcontroller Processor
ATmega32u4
Clock Speed
16 MHz
Operating Voltage
5V DC
Input Voltage Limits
6V to 20V DC
Flash Memory
32 KB (4 KB used by bootloader)
SRAM
2.5 KB
Digital I/O Pins
20 (7 PWM capable)
Analog Input Channels
12
DC Current per I/O Pin
40 mA
Physical Interface Ports
Micro USB
Know before you buy
Still have a question?
Ask Metto anything about the Arduino Micro before you decide.
