Arduino Leonardo R3
Arduino Leonardo R3 is a development board based on ATmega32u4 (which has a much more efficient processor compared to Arduino Uno). It has 20 digital input/output pins, including 7 PWM outputs and 12 analog inputs. A 16MHz crystal oscillator, micro USB connection port, DC power input, serial programming header on the board, and a reset button are available on the board. The main feature that distinguishes Arduino Leonardo from other Arduino varieties is that the ATmega32u4 microcontroller can communicate without needing a helper, eliminating the need for a second processor. Although Arduino Leonardo offers a different potential in terms of price, it fully represents the term of a small computer.
Arduino Leonardo R3 Features
. Microcontroller: ATmega32u4
. Operating voltage: +5 V DC
. Recommended supply voltage: 7 - 12 V DC
. Supply voltage limits: 6 - 20 V
. Digital input/output pins: 20
. PWM outputs: 7
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