Arduino Micro
Best compact controller for space constrained DIY electronics projects.
A compact, breadboard-ready controller that mimics a mouse or keyboard, making it ideal for human-interface projects. It packs significant I/O capabilities into a tiny footprint, perfect for space-constrained builds.
$22.80
at
Arduino
Who it's for
- Makers building wearable technology or small-scale embedded projects
- Developers creating custom human interface devices or gaming peripherals
- Students and hobbyists testing circuit designs quickly and efficiently
Who should skip it
- Advanced users developing resource-intensive applications or large codebases
- Educators or beginners who may apply excessive physical stress to components
- Engineers integrating power-hungry components like multiple motors or bright LED strips
Performance breakdown
Prototyping Versatility
Breadboard-ready design makes rapid circuit testing incredibly efficient and seamless.
HID Emulation Capability
Native mouse and keyboard support simplifies custom input device creation effortlessly.
I/O Connectivity
Generous pin count handles complex sensor arrays without needing extra expansion.
Form Factor Efficiency
Ultra-compact footprint fits perfectly into space-constrained wearable or automation projects.
Processing Overhead
ATmega32U4 handles standard tasks well but hits limits with heavy computation.
Memory Capacity
Limited flash and SRAM require optimized code for larger, complex sketches.
Key Specs
Microcontroller
ATmega32U4
Operating Voltage
5V
Recommended Input Voltage
7-12V
Digital I/O Pins
20
PWM Channels
7
Analog Input Channels
12
Flash Memory
32 KB
SRAM
2.5 KB
Clock Speed
16 MHz
Dimensions
48mm x 18mm
Know before you buy
Still have a question?
Ask Metto anything about the Arduino Micro before you decide.