Arduino Leonardo R3 + USB Cable

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The Arduino Leonardo R3 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.

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Description

The Arduino Leonardo R3 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.

Arduino Leonardo R3 Specifications

MicrocontrollerATmega32U4
Operating Voltage5 V
Input Voltage (recommended)7-12 V
Input Voltage (limit)6-20 V
Digital I/O Pins20 (of which 7 provide PWM output)
PWM Digital I/O Pins7
Analog Input Pins12
DC Current per I/O Pin40 mA
Flash Memory32 KB
SRAM2.5 KB
EEPROM1 KB
Clock Speed16 MHz

 

Additional information

Weight25 g

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