Arduino Leonardo

Arduino Leonardo

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DESCRIPTION

The Arduino Leonardo is a microcontroller board based on the ATmega32u4  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. 

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 micro-controller; 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 is Arduino’s first development board to use one micro-controller with built-in USB. Using the ATmega32U4 as its sole micro-controller allows it to be cheaper and simpler. Also, because the 32U4 is handling the USB directly, code libraries are available which allow the board to emulate a computer keyboard, mouse, and more using the USB-HID protocol!

FEATURES 

  • 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 : 40 mA
  • DC Current for 3.3VPin : 50 mA
  • Flash Memory32 KB (ATmega32u4) of which 4 KB used by bootloader
  • SRAM2.5 KB (ATmega32u4)
  • EEPROM1 KB (ATmega32u4)
  • Clock Speed16 MHz
  • Lenght68.6 mm
  • Width53.3 mm
  • Weight20 g

DEVELOPMENT SOURCES 

ATmega32u4

APPLICATIONS 

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  • Flame Car

  • CoffeeAuth: Grinder Authentication System

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