Kompyuter injiniring

Ulanish 
Ushbu tajribada 7-segmentli displeyning har bir AG pinini mos ravishda bitta 
200 ohm oqim cheklovchi qarshilikka ulang va keyin 4-11 pinga ulang. GND GND 
ga ulanadi. Dasturlash orqali biz mos keladigan LED (lar) ni yoqish uchun pin4-11 
ning bir yoki bir nechtasini Yuqori darajali qilib sozlashimiz mumkin. 
7 segmentli displey va SunFounder Uno platasi orasidagi simlar: 
7-segmentli displey 
Arduino Uno
A 
7 
B 
6 
C 
5 
D. 
11 
E 
10 
F 
8 
G 
9 
DP 
4 
Kom 
GND 
ulanish diagrammasi 
2- rasm. 7 segmentli displayni ulanish diagrammasi 
Dasur kodi esa quydagicha bo’ladi 

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7 
int a=7;
int b=6;
int c=5;
int d=11;
int e=10;
int f=8;
int g=9;
int dp=4;
// 1 
void display1(void)
{
digitalWrite(b,HIGH); 
digitalWrite(c,HIGH); 
}
// 
void display2(void)
{ 
digitalWrite(a,HIGH); 
digitalWrite(b,HIGH); 
digitalWrite(g,HIGH); 
digitalWrite(e,HIGH); 
digitalWrite(d,HIGH); 
}
// 3 
void display3(void)
{
digitalWrite(a,HIGH); 
digitalWrite(b,HIGH); 
digitalWrite(c,HIGH); 
digitalWrite(d,HIGH); 
digitalWrite(g,HIGH); 
}
// 4 
void display4(void)
{
digitalWrite(f,HIGH); 
digitalWrite(b,HIGH); 
digitalWrite(g,HIGH); 
digitalWrite(c,HIGH); 

---

8 

}
// 5 
void display5(void)
{
digitalWrite(a,HIGH); 
digitalWrite(f,HIGH); 
digitalWrite(g,HIGH); 
digitalWrite(c,HIGH); 
digitalWrite(d,HIGH); 
}
// 6 
void display6(void)
{
digitalWrite(a,HIGH); 
digitalWrite(f,HIGH); 
digitalWrite(g,HIGH); 
digitalWrite(c,HIGH); 
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
}
// 7 
void display7(void)
{
digitalWrite(a,HIGH); 
digitalWrite(b,HIGH); 
digitalWrite(c,HIGH); 
}
// 8 
void display8(void)
{
digitalWrite(a,HIGH); 
digitalWrite(b,HIGH); 
digitalWrite(g,HIGH); 
digitalWrite(c,HIGH); 
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
digitalWrite(f,HIGH);
}

---

9 
void clearDisplay(void)
{
digitalWrite(a,LOW); 
digitalWrite(b,LOW); 
digitalWrite(g,LOW); 
digitalWrite(c,LOW); 
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
}
void display9(void)
{
digitalWrite(a,HIGH); 
digitalWrite(b,HIGH); 
digitalWrite(g,HIGH); 
digitalWrite(c,HIGH); 
digitalWrite(d,HIGH);
digitalWrite(f,HIGH);
}
void display0(void)
{
digitalWrite(a,HIGH); 
digitalWrite(b,HIGH); 
digitalWrite(c,HIGH); 
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
digitalWrite(f,HIGH);
}
void setup()
{
int i; 
for(i=4;i<=11;i++)
pinMode(i,OUTPUT); 
}
void loop()
{
while(1)
{ clearDisplay(); 
display0();

---

10 
delay(2000);
clearDisplay(); 
display1();
delay(2000);
clearDisplay(); 
display2();
delay(2000);
clearDisplay(); 
display3();
delay(2000); 
clearDisplay(); 
display4();
delay(2000); 
clearDisplay();
display5();
delay(2000); 
clearDisplay();
display6();
delay(2000); 
clearDisplay();
display7();
delay(2000);
clearDisplay(); 
display8();
delay(2000);
clearDisplay();
display9();
delay(2000);
} 
} 

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11 
7 segmentli displayni ulanish diagrammasini ulab oldik 
7 segmentli displayni ulanish diagrammasida jatijalar quydagicha chiqdi. 

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12