Leonardo R3 Development Board ATmega32u4 AVR for Arduino
Controller: ATmega32u4;
Working frequency:16MHz;
Working voltage: 5V;
Input voltage (suggested): 7~12V;
Digital I/O ports: 20;
PWM channel: 7;
Analog input: 12;
5V D/A port max. allowable current: 40mA;
3.3V D/A port max. allowable current: 50mA;
