const int trigPin = 7;
const int echoPin = 6 ;
const int trig2Pin = 5;
const int echo2Pin = 4;
void setup(){
Serial.begin(9600);
//Inicializace Pinu
pinMode(trigPin, OUTPUT);
pinMode(trig2Pin, OUTPUT);
pinMode(echoPin, INPUT);
pinMode(echo2Pin, INPUT);
}
float vzdalenost (int triger, int echo)
{
float delka;
digitalWrite(triger, LOW);
delayMicroseconds(3);
digitalWrite(triger, HIGH);
delayMicroseconds(15);
digitalWrite(triger, LOW);
// Ziskej cas v mikrosekundach, jak dlouho letela zvukova vlna plus vynasobit rychlosti zvuku
delka = pulseIn(echo, HIGH);
delka = delka * 0.017315f;
return delka;
}
void loop(){
Serial.print(vzdalenost(trigPin,echoPin)); Serial.print(" cm ");
Serial.print(vzdalenost(trig2Pin,echo2Pin)); Serial.println(" cm");
delay(100);//počkej 100ms
}