Arduino Pro Micro 5V 16MHz



The Arduino Micro is a microcontroller board based on the ATmega32U4, developed in conjunction with Adafruit. It has 24 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16?MHz crystal oscillator, a micro USB connector, an in-circuit system programming (ICSP) header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer (or appropriate?wall power adapter) with a?Micro USB cable?(not included) to get started. The headers are arranged with a 0.1? spacing for compatibility with standard?solderless breadboards?and perfboards and?connectors?that use a 0.1? grid.

The Arduino Micro features a user-programmable ATmega32U4 AVR microcontroller that has built-in USB functionality, eliminating the need for a secondary processor or serial adapter. This makes the Arduino Micro more versatile: in addition to supporting a virtual (CDC) serial/COM port interface, it can appear to a connected computer as a mouse and keyboard. See Arduino?s?getting started page?for more implications of the Arduino Micro?s single-MCU design.

The Arduino has a large?support community?and an extensive set of support libraries and hardware add-on ?shields? (e.g. you can easily make your Arduino wireless with our?Wixel shield), making it a great introductory platform for embedded electronics. Note that we also offer a?SparkFun Inventor?s Kit, which includes an Arduino Uno along with an assortment of components (e.g. breadboard, sensors, jumper wires, and LEDs) that make it possible to create a number of fun introductory projects.

We also carry?A-Star programmable controllers?that are based on the same ATmega32U4 microcontrollers as the Arduino Micro and?Leonardo?and ship with Arduino-compatible bootloaders. The A-Star 32U4 Minis are the same size as the Arduino Micro but offer a number of advantages, including integrated switching regulators that let them operate efficiently over a much wider voltage range (the?Mini ULV?can operate down to 0.5?V, the?LV?works with voltages above and below 5?V, and the?SV?works up to 36?V), and the?A-Star 32U4 Micro?is an even smaller, lower-cost alternative


Microcontroller: ATmega32U4
Operating voltage: 5?V
Input voltage (recommended): 7-12?V
Digital I/O pins: 24 (of which 7 provide PWM output)
Analog input pins: 12(1)
DC current per I/O pin: 40?mA
DC current for 3.3V pin: 50?mA
Flash memory: 32?KB of which 4?KB used by bootloader
SRAM: 2.5?KB
Clock speed: 16?MHz


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