ATTO
The World’s
Smallest Arduino
Compatible
Board
Pre-Order Discount Over 15% OFF
SHIPPING STARTS
OCT 2019
ATTO
The World’s
Smallest Arduino
Compatible Board
Smallest Arduino
Compatible Board
Pre-Order Discount Over 15% OFF
SHIPPING STARTS
OCT 2019
Small and compact design
Atto's tiny profile allows it to fit into any miniature projects! Perfect for wearables and portable devices.
Accessories and add-ons
Our expansion boards will help you prototype and complete your projects faster. Additional accessories and add-ons, such as battery power shields, will be coming soon!
1 Components
On a Tiny 4 Layer Board
Arduinos are supposed to make electronics projects easy. Atto achieves this philosophy with its peripherals including a reset button, RGB LED, external crystal, and voltage regulator, making it the best and smallest all-in-one package!
World’s Smallest
Measuring at 10.3 x 11.5 mm² and 0.68 grams, size is no longer a constraint for your next project
Arduino Ready
Comes with Arduino bootloader pre-flashed, providing you seamless out of the box experience
Serial and ISP Pins
USB, SPI, I2C, and ISP are available, to handle any interface and allows custom bootloader programming
Accessories & Extras
Expansion boards and add-ons will be continuously developed, to handle any type of projects
Let's compare!
Specs and Features
Dimension
0.40" x 0.45" (10.3 mm x 11.5 mm)
Weight
0.04 oz (0.68 g)
Microcontroller
ATmega32U4
Operating Voltage
3.3 V
Input Voltage
4 - 13 V
Digital I/O Pins
12 + 3 (RGB LED)
PWM Channels
4 + 3 (RGB LED)
Analog Input Channels
4
Interface
USB, SPI, I2C (TWI), ISP
Peripherals
Reset button, RGB (rainbow) LED
Bootloader
Arduino Leonardo
Flash Memory
32 KB (ATmega32U4) of which 4 KB used by bootloader
SRAM
2.5 KB (ATmega32U4)
EEPROM
1 KB (ATmega32U4)
Clock Speed
16 MHz
Pin Pitch
0.05" (1.27 mm)
Pinout Diagram
