آموزش راه اندازی ماژول فاصله سنج التراسونیک SRF04 با آردوینو

   /*
Made on Dec 20, 2020
By MehranMaleki @ Electropeak
Home

*/

#define EchoPin 3
#define TriggerPin 4


void setup() {
pinMode(TriggerPin, OUTPUT); // Sets the TriggerPin as an Output
pinMode(EchoPin, INPUT); // Sets the EchoPin as an Input
Serial.begin(9600); // Starts the serial communication
}


void loop() {
long duration;
float distance;
  
digitalWrite(TriggerPin, LOW);
delayMicroseconds(2);

//Set the TriggerPin on HIGH state for 10 microseconds
digitalWrite(TriggerPin, HIGH);
delayMicroseconds(10);
digitalWrite(TriggerPin, LOW);

//Read the EchoPin, returning the sound wave travel time in microseconds
duration = pulseIn(EchoPin, HIGH);

//Calculate the distance
distance= duration*0.034/2;

//Print the distance on the Serial Monitor
Serial.print("Distance: ");
Serial.println(distance);

delay(200);
}