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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 

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

Pre-order discount

Over 15% OFF!

Limited supply

SHIPPING STARTS
OCT 2019

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