int buzzer = 13;
int buttonPin_1 =8;
int buttonPin_2 =9;
int buttonPin_3 =10;
int sw1 ;
int sw2 ;
int sw3 ;
int i=0;
int LED[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
void setup()
{
pinMode(buttonPin_1, INPUT);
pinMode(buttonPin_2, INPUT);
pinMode(buttonPin_3, INPUT);
pinMode(buzzer, OUTPUT);
DDRD=0xFF;
}
void loop()
{
sw1 = digitalRead(buttonPin_1);
sw2 = digitalRead(buttonPin_2);
sw3 = digitalRead(buttonPin_3);
if (sw1==0&&sw2==0&&sw3==0)//ไม่กด
{
i=i;
PORTD =LED[i];
delay(200);
}
if (sw1==1&&sw2==0&&sw3==0)//กดขึ้น
{
i=i+1;
PORTD =LED[i];
delay(200);
}
if (sw2==1&&sw1==0&&sw3==0) // กดลง
{
i=i-1;
PORTD =LED[i];
delay(200);
}
if (sw2==0&&sw1==0&&sw3==1) // นับเวลา
{
delay(1000);
do{
i--;
PORTD =LED[i];
delay(1000);
} while (i>1); //--- ตรวจสอบเงื่อนไขเท็จออกจากลูป
PORTD =LED[0];
digitalWrite(buzzer,HIGH);
delay(5000);
digitalWrite(buzzer,LOW);
delay(5000);
}
} |
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