1887 143 443 -9 270 1 ATmega88 Buttons1 0 8 INT0 PORTD 2 1 Button1 PORTD 4 0 Button2 N.C. 6 0 Button3 N.C. 7 0 0 0 LEDs1 5 141 Red LED0 PORTD 0 0 Red LED1 PORTB 1 0 Red LED2 PORTB 2 0 Red LED3 PORTB 3 0 Red LED4 PORTB 4 0 Red LED5 PORTB 5 0 Red LED6 PORTB 6 0 Red LED7 PORTB 7 0