const byte trig = 12;
const byte echo = 11;
unsigned long sure;
int uzaklik;
void setup() {
pinMode(trig, OUTPUT);
pinMode(echo, INPUT);
Serial.begin(9600);
}
void loop() {
digitalWrite(trig, 0);
delayMicroseconds(10);
digitalWrite(trig, 1);
delayMicroseconds(10);
sure = pulseInLong(echo, 1);
uzaklik = (0.0343 * sure) / 2;
Serial.print(uzaklik);
Serial.println("");

}