Leonardo R3 Development Board
$7.10
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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;
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