Arduino Nano
Best compact microcontroller for space constrained DIY electronics projects
This is the go-to board for shrinking your prototypes without sacrificing functionality. Its breadboard-friendly footprint makes it ideal for tight spaces, though you will have to manage with fewer pins than its larger siblings. It is the perfect balance of compact convenience and reliable performance for everyday electronics projects.
$25.70
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Arduino
Who it's for
- Makers building space-constrained electronics or wearable technology
- Students and hobbyists prototyping circuits quickly on a workspace
- Developers needing flexible power inputs for various portable applications
Who should skip it
- Users who prefer modern USB-C connectivity for all their devices
- Engineers developing advanced programs with large libraries or data sets
- Programmers requiring high-performance execution for complex real-time calculations
Performance breakdown
Form Factor Efficiency
Tiny footprint makes it ideal for tight, space-constrained project enclosures.
Breadboard Compatibility
Pin layout integrates seamlessly into standard breadboards for rapid prototyping.
Programming Accessibility
Pre-loaded bootloader ensures a smooth, plug-and-play experience for beginners.
I/O Versatility
Offers a solid array of pins for most small-scale sensor projects.
Processing Power
ATmega328 is reliable but struggles with complex, high-speed computational tasks.
Connectivity Reliability
Integrated USB-to-TTL serial communication provides stable, consistent data transfer.
Key Specs
Microcontroller Processor
ATmega328P
Board Type
Microcontroller
Development Board Series
Arduino Nano
Operating Voltage
5.0 Volts
RAM Capacity
0.002 MB
Flash Memory Capacity
0.032 MB
Clock Speed
16.0 MHz
Digital I/O Pins
22
Analog Input Pins
8.0
PWM Output Count
6
Know before you buy
Still have a question?
Ask Metto anything about the Arduino Nano before you decide.