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The Micro is a microcontroller Original Arduino Micro without Headers board based on the ATmega32U4, developed in conjunction with Adafruit. It has 20 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 connection, an ICSP header, and a reset button. 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.

This Original Arduino 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 behaviour of the board.

Onboard is the processor, crystal, micro USB connection with fuse, Reset button, ISP low-level reprogramming header, ON LED, TX and RX LEDs, an extra user pin #13 LED, and a 3.3V regulator. Youll probably also want to pick up a micro-B USB cable to connect this board to your computer

You can use it for basic Arduino sketches as well as USB client projects like making it appear as a mouse or keyboard to your computer! Although it is not shield compatible it does have all the same pins as a Leonardo. Its best for when you want to shrink your project down or use it on a breadboard.

For more technical details and starting guides, check out the Arduino website

Package Includes:

1 x Original Arduino Micro without Headers

Additional information

Model Type

Arduino Micro





Operating Voltage (VDC)


Input Voltage(Recommended)


Analog I/O Pins


Digital I/O Pins


PWM Output Pins




Clock Speed

12 MHz

DC Current per I/O Pin (mA)


Flash Memory

32 KB


1 KB (ATmega32U4)



Weight (gm)


Length (mm)


Width (mm)


Height (mm)


Brand/Manufacturer Arduino
Country Of Origin Italy
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 1792.42 (Inclusive of all Taxes)
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* Product Images are shown for illustrative purposes only and may differ from actual product.

Original Arduino Micro without Headers

  • Product Code: EC-5015
  • Availability: 19
  • Rs.1575.00
  • (Excluding 18% GST)