Arduino Leonardo


In stock

The Arduino Leonardo board is the newest board from Arduino. It is based on the ATmega32u4 microcontroller


In stock

The Arduino Leonardo is a microcontroller board based on the ATmega32u4 (datasheet). It has

  • 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs)
  • 16 MHz crystal oscillator, a micro USB connection, a power jack
  • ICSP header
  • reset button.

It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.

The Leonardo differs from all preceding boards in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Leonardo 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; these are detailed on the Getting started with the Arduino Leonardo.



Technical specifications of the Arduino Leonardo board

  • Microcontroller ATmega32u4
  • Operating Voltage: 5V
  • Recommended Input Voltage : from 7 to 12V
  • Limits of Input Voltage : between 6 and 20V
  • Digital I/O Pins: 20
  • PWM Channels: 7
  • Analog Input Channels: 12
  • DC Current per I/O Pin: 40 mA
  • DC Current for 3.3V Pin: 50 mA
  • Flash Memory 32 KB (ATmega32u4) of which 4 KB used by bootloader
  • SRAM 2.5 KB (ATmega32u4)
  • EEPROM 1 KB (ATmega32u4)
  • Clock Speed 16 MHz

Documentation and more details : Visit Arduino Store

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