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Arduino Leonardo

by Arduino
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), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button.
02-00010302
Gross Weight: 0.05kg
Company: Arduino
Part Number: A000057
Made in: Italy
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DESCRIPTION

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), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a 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 page.

NOTES

  • This is the original board of the Arduino Leonardo.
  • Only the Leonardo board is included in the package, you can find in our catalog a microUSB cable, 12V power supply and everything else you need for your project.

SPECIFICATIONS

Microcontroller:
ATmega32u4
Operating Voltage:
5V
Input Voltage:
7-12V
Input Voltage (limits):
6-20V
Digital I/O Pins:
20
Analog Input Channels:
12
PWM Channels:
7
DC Current per I/O Pin:
40mA
DC Current for 3.3V Pin:
50mA
Flash Memory:
32 KB
SRAM:
2.5 KB (ATmega32u4)
EEPROM:
1 KB (ATmega32u4)
Clock Speed:
16 MHz

EXTRA SPECIFICATIONS

  • Controller architecture: AVR
  • Dimensions: 68.6 x 53.3mm
  • Weight: 20g