Arduino Micro Board: Meet The Much Tinier Leonardo Successor

By Alexandra Burlacu | Nov 09, 2012 12:50 PM EST

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Arduino has announced its new Micro board based on the technology of the popular Arduino Leonardo microcontroller, but measuring only a fraction of Leonardo's size.

The Arduino Micro board is a joint effort between Arduino and Adafruit Industries, and comes as a petite microcontroller measuring just 1.9 x 0.7 inches. The gadget can either be attached to a PCB or used on a breadboard, which allows users to easily embed it in DIY projects.

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According to Arduino and Adafruit Industries, the Arduino Micro is based on the ATmega32U4 microcontroller. The 32U4 handles the USB directly, which means the board is also capable of emulating a PC keyboard and mouse, as well as other things using the USB-HID protocol.

"[Arduino Micro] makes it easier for makers to embed the Arduino technology inside their projects by providing a small and convenient module that can be either used on a breadboard or soldered to a custom designed PCB," reads the press release.

When it comes to the more technical front, the Arduino Micro features 20 digital I/O pins, micro USB support, a reset button, and a slew of other on-board features.

"It contains everything needed to support the microcontroller; simply connect it to a computer with a micro USB cable to get started. It has a form factor that enables it to be easily placed on a breadboard," reads the description on Arduino's Web site.

"The micro is similar to the Arduino Leonardo in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Micro to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial/ COM port. It also has other implications for the behavior of the board," added Arduino.

The Arduino Micro will be available for pre-order starting next week, with shipments set to begin on Nov. 26. The new Micro board will come in two different flavors - one with headers, and one without.

The A100053 retail version with headers will come with a MRSP of €21 (about $27) _ taxes, while the A100053 Retail version without headers will cost roughly €18 (about $23). The Arduino Micro will be available from all major Arduino distributors. For more details, check out Arduino's Web site.

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