Arduino baslangic dersleri 8

hc-sr04_ile_mesafe_olcme.ino

#define trig_Pin 8
#define echo_Pin 9
long mesafe = 0;
long sure = 0;
void setup()
{ 
for (int i = 2; i < 7; i++) 
{ 
pinMode(i, OUTPUT); 
} 
pinMode(trig_Pin, OUTPUT);
pinMode(echo_Pin, INPUT); 
Serial.begin(9600);
}
void loop() 
{
digitalWrite(trig_Pin, HIGH);
delayMicroseconds(1000);
digitalWrite(trig_Pin, LOW); 
sure = pulseIn(echo_Pin, HIGH); 
mesafe = (sure / 29.1) / 2; 
if (mesafe > 300)
mesafe = 300;
Serial.print("Olculen Mesafe = ");
Serial.print(mesafe); 
Serial.println(" cm ");
delay(100); 
if (mesafe > 0 && mesafe <= 10)
{ 
digitalWrite( 2, HIGH); 
digitalWrite( 3, LOW);
digitalWrite( 4, LOW);
digitalWrite( 5, LOW);
digitalWrite( 6, LOW);
} 
else if (mesafe > 10 && mesafe <= 20)
{
digitalWrite( 2, HIGH); 
digitalWrite( 3, HIGH);
digitalWrite( 4, LOW); 
digitalWrite( 5, LOW);
digitalWrite( 6, LOW);
}
else if (mesafe > 20 && mesafe <= 30)
{
digitalWrite( 2, HIGH); 
digitalWrite( 3, HIGH); 
digitalWrite( 4, HIGH);
digitalWrite( 5, LOW); 
digitalWrite( 6, LOW); 
} 
else if (mesafe > 30 && mesafe <= 40)
{
digitalWrite( 2, HIGH); 
digitalWrite( 3, HIGH);
digitalWrite( 4, HIGH); 
digitalWrite( 5, HIGH); 
digitalWrite( 6, LOW);
} 
else 
{
digitalWrite( 2, HIGH); 
digitalWrite( 3, HIGH); 
digitalWrite( 4, HIGH);
digitalWrite( 5, HIGH); 
digitalWrite( 6, HIGH);
}
}