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The Nano is a microcontroller board based on the ATmega328 (datasheet), developed in conjunction with Adafruit. It has 22 digital input/output pins (of which 6 can be used as PWM outputs and 8 as analog inputs), a 16 MHz crystal oscillator, a mini USB connection, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a mini-B USB cable to get started. It has a form factor that enables it to be easily placed on a breadboard.
The Micro board is similar to the Arduino Leonardo in that the ATmega328 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.
Length
48.0 mm
Width
18.0 mm
Weight
13.0 g
Contains Button Cell
false
Packaged Dimensions
8.2cm(Length) x 6.1cm(Width) x 2.7cm(Height)