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.
The board is 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.
- Microcontroller: ATMega32u4
- Operating voltage: 5 V
- Digital I/O pins: 20
- Clock speed: 16 Mhz
- 1x board
|Dimensions L x W x H||5.334 cm x 6.858 cm x 2 cm|
|Operating Voltage||5 V|
|Input Voltage (Recommended)||7-12 V|
|Input Voltage (Limits)||6-20 V|
|Digital I/O Pins||14|
|Clock Speed||16 MHz|
Arduino Leonardo no Headers
- The Arduino Leonardo no Headers is the first development board based on Atmel ATmega32u4 microcontroller.
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