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Arduino

The Arduino Leonardo is the latest addition to the Arduino family, equipped with an ATMega 32U4 processor. This processor features a USB stack, simplifying programming and enhancing versatility by eliminating the need for the ATmega 8U2. The Arduino Leonardo can emulate devices such as a keyboard or mouse, with plans for further extensions like MIDI emulation. Thanks to its identical layout to the Arduino UNO, all shields and extensions can be used without hardware modifications. Programming requires a new Micro USB cable, similar to those used with smartphones.

Features:
- ATMega 32U4 processor with USB support
- Same programming and control as Arduino UNO and Duemilanova
- Same pin layout as the Arduino UNO, no adjustments needed for shields
- Single CPU architecture
- Compatible with the Arduino IDE 1.0.1
- 12 analog inputs
- Communication with the PC via an emulated serial port over USB, keeping the hardware serial port free for custom developments
- Micro USB connection
- All components are power-saving SMD
- Retail version includes an Arduino sticker

Technical data:
- Microprocessor: ATmega32u4
- Operating voltage: 5V
- Recommended voltage range: 7-12V
- Voltage range 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, 4 KB for the bootloader
- SRAM: 2.5 KB
- EEPROM: 1 KB
- Clock frequency: 16 MHz.

Actual product image Arduino Original Leonardo (ATmega 32U4) with micro USB cable

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Original Leonardo (ATmega 32U4) with micro USB cable

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