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Arduino Micro w/ Headers (ATmega32U4)

₹2,279.00 (Inclusive of all taxes)
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The Official Arduino Micro, developed in collaboration with Adafruit, is a compact microcontroller board featuring the ATmega32U4. Pre-soldered with headers, this board simplifies prototyping with its breadboard-friendly form factor and integrated USB communication, allowing it to function as a mouse, keyboard, or virtual COM port.

Features

  • Features the ATmega32U4 microcontroller with integrated USB capabilities.
  • Built-in USB allows for mouse, keyboard, and virtual serial port emulation.
  • Includes 20 digital I/O pins, 7 PWM channels, and 12 analog input channels.
  • Breadboard-friendly form factor with pre-soldered headers for quick setup.
  • Operates at 5V with a recommended input voltage range of 7-12V.

Out of stock

Description

The Arduino Micro is a compact development board leveraging the powerful ATmega32U4 microcontroller, a collaboration between Arduino and Adafruit. Designed for seamless integration into projects, it features an on-board micro USB connection for direct communication with a computer. This eliminates the need for a secondary processor, simplifying setup and allowing the Micro to be recognized as various USB Human Interface Devices (HIDs) such as a mouse or keyboard, alongside a standard virtual serial (CDC) port.

Its unique form factor ensures it can be effortlessly plugged into a breadboard, making it ideal for prototyping and embedded applications where space is at a premium. The ATmega32U4 provides 20 digital input/output pins, including 7 PWM outputs and 12 analog inputs, all operating at a 16 MHz clock speed, offering versatile control for a wide array of sensors, actuators, and external modules.

Key Features

  • Microcontroller: ATmega32U4 with 32 KB Flash, 2.5 KB SRAM, and 1 KB EEPROM.
  • Digital I/O: 20 pins, including 7 PWM outputs and 12 analog input channels.
  • Operating Voltage: 5V DC, with a recommended input voltage range of 7-12V.
  • Clock Speed: 16 MHz crystal oscillator for stable timing.
  • USB Communication: Built-in USB allows for native HID emulation (mouse, keyboard) and virtual serial port.
  • Connectivity: Micro USB connection and ICSP header for programming and debugging.
  • Form Factor: Compact and breadboard-friendly design with pre-soldered headers.
  • Current Capacity: 20 mA per I/O pin, 50 mA for the 3.3V pin.

Applications

  • Human Interface Device (HID) emulation for custom keyboards, mice, or game controllers.
  • Compact embedded systems requiring a small footprint and USB connectivity.
  • Robotics and automation for sensor interfacing and motor control.
  • Wearable electronics and small form-factor IoT prototypes.
  • Educational projects demonstrating microcontroller programming and USB communication.

Technical Specifications

MicrocontrollerATmega32U4
Operating Voltage5V
Input Voltage (recommended)7-12V
Digital I/O Pins20
PWM Channels7
Analog Input Channels12
DC Current per I/O Pin20 mA
DC Current for 3.3V Pin50 mA
Flash Memory32 KB (ATmega32u4) - 4 KB used by bootloader
SRAM2.5 KB (ATmega32u4)
EEPROM1 KB (ATmega32U4)
Clock Speed16 MHz
Width18 mm
Weight13 g

Frequently Asked Questions

What is the main microcontroller on the Arduino Micro and its key features?

The Arduino Micro uses the ATmega32U4 microcontroller. It features 32KB of Flash memory (4KB used by the bootloader), 2.5KB SRAM, and 1KB EEPROM. Its integrated USB controller allows it to act as a USB HID device or a virtual serial port, simplifying development.

How does the Arduino Micro differ from other Arduino boards regarding USB?

Unlike boards that require a separate USB-to-serial converter, the ATmega32U4 on the Micro has native USB capabilities. This means it can directly communicate with a computer as a keyboard, mouse, or virtual COM port, offering more versatile applications without extra hardware.

What programming environments and power requirements does the Arduino Micro support?

The Arduino Micro is fully compatible with the Arduino IDE and its vast library ecosystem. It operates at 5V, typically powered via its micro USB port or a recommended 7-12V input through the VIN pin. Each I/O pin can source/sink 20 mA.

Can the Arduino Micro be used on a breadboard, and what are its physical dimensions?

Yes, the Arduino Micro is designed with a breadboard-friendly form factor, making it easy to plug directly into prototyping boards for quick circuit assembly. With headers pre-soldered, it measures approximately 18 mm in width, ideal for compact projects.

Package Includes

  • 1 x Official Arduino Micro Development Board with Headers (A000053)

Additional Information

Weight 0.013 kg
Dimensions 1.8 cm