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arduino leonardo
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Description
Leonardo R3 development board with microcontroller 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 glass oscillator, a micro USB connection, an electrical input, an ICSP header and a RESET. This board differs from the rest of the microcontrollers based on the ATMEGA32U4 in which it has USB communication built on its own, which eliminates the need for a second processor. This allows the Leonardo to appear as a keyboard or mouse on connected computers, in addition to a serial/com port.
