Arduino Leonardo (+headers)
  • Arduino Leonardo (+headers)
  • Arduino Leonardo (+headers)
  • Arduino Leonardo (+headers)
  • Arduino Leonardo (+headers)

Arduino Leonardo (+headers)

SKU 102990080
The Arduino Leonardo is a microcontroller board based on the ATmega32u4 (datasheet)
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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.

 

This version of the Leonardo comes assembled.

 

Summary

 

 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 3.3V 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
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