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Home » NEWEST Products » New by Manufacturer » Arduino » Arduino Leonardo
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Arduino Leonardo AVR Development Board

Arduino Leonardo AVR Development Board

Arduino Leonardo AVR Development Board is a microcontroller board based on the Atmel ATmega32u4. It offers 20 digital IOs (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. The Arduino 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 an HID, such as a mouse or keyboard, in addition to a virtual (CDC) serial / COM port. The Leonardo board contains everything needed to support the microcontroller. Simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.


Specifications
  • Microcontroller: ATmega32u4
  • Operating voltage: 5V
  • Input voltage (recommended): 7-12V
  • Input voltage (limits): 6-20V
  • Digital I/O pins: 20
  • PWM channels: 7
  • Analog input channels: 12
  • DC current per I/O pin: 40mA
  • DC current for 3.3V pin: 50mA
  • Flash memory: 32Kb (ATmega32u4)
    of which 4Kb is used by bootloader
  • SRAM: 2.5Kb (ATmega32u4)
  • EEPROM: 1Kb (ATmega32u4)
  • Clock speed: 16MHz
ATmega32u4 Block Diagram
ATmega32u4 Block Diagram

Arduino Leonardo Front, Without Headers

Arduino Leonardo Front, Without Headers
Arduino Leonardo Back

Arduino Leonardo Back
  • Arduino