Arduino code For Radar

 #include <Servo.h>

#include <LiquidCrystal.h>

 

Servo myservo;

LiquidCrystal lcd(7, 6, 5, 4, 3, 2); // Creates an LCD object. Parameters: (rs, enable, d4, d5, d6, d7)

 

int pos = 0; // la position initiale du servo moteur

const int trigPin = 9;

const int echoPin = 10;

const int moteur = 11;

const int buzzer = 12;

const int ledPin1 = 14;

const int ledPin2 = 13;

float distanceCm, DistanceSec,duration;

 

void setup() {

myservo.attach(moteur); // attache le Servo moteur a la pin numéro 11

lcd.begin(16,2); // Initialiser l'interface de Lcd avec leurs Dimensions

pinMode(trigPin, OUTPUT);

pinMode(echoPin, INPUT);

pinMode(buzzer, OUTPUT);

pinMode(ledPin1, OUTPUT);

pinMode(ledPin2, OUTPUT);

DistanceSec=20;

 

}

 

void loop() {

for (pos = 0; pos <= 180; pos += 1) { // aller de 0 a 180 degée

// in steps of 1 degree

myservo.write(pos); // Programmer le Servo pour aller a la position (pos)

digitalWrite(trigPin, LOW);

delayMicroseconds(2);

digitalWrite(trigPin, HIGH); //envoyer une impulsion de 10 micro seconds

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

 

duration = pulseIn(echoPin, HIGH);

distanceCm= duration*0.034/2;

if (distanceCm <= DistanceSec)

{

 

if(distanceCm <= DistanceSec/2)

{

tone(buzzer, 10); // Send 1KHz sound signal...

digitalWrite(ledPin1, LOW);

digitalWrite(ledPin2, HIGH);

delay(700);

noTone(buzzer); // Stop sound...

lcd.setCursor(0,0); // positionner le cursor a 0,0

lcd.print("Distance: "); // Printe "Distance" sur LCD

lcd.print(distanceCm); // Printe la valeur Obtenue sur LCD

lcd.print(" cm "); // Printe l'unité sur LCD

delay(10);

lcd.setCursor(0,1);

lcd.print("Angle : ");

lcd.print(pos);

lcd.print(" deg ");

delay(2000);

}

else

{

digitalWrite(buzzer, HIGH);

digitalWrite(ledPin2, LOW);

digitalWrite(ledPin1, HIGH);

delay(100);

digitalWrite(buzzer, LOW);

lcd.setCursor(0,0); // positionner le cursor a 0,0

lcd.print("Distance: "); // Printe "Distance" sur LCD

lcd.print(distanceCm); // Printe la valeur Obtenue sur LCD

lcd.print(" cm "); // Printe l'unité sur LCD

delay(10);

lcd.setCursor(0,1);

lcd.print("Angle : ");

lcd.print(pos);

lcd.print(" deg ");

delay(2000);

}

}

else{

digitalWrite(buzzer, LOW);

digitalWrite(ledPin1, LOW);

digitalWrite(ledPin2, LOW);

}

 

lcd.setCursor(0,0); // positionner le cursor a 0,0

lcd.print("Distance: "); // Printe "Distance" sur LCD

lcd.print(distanceCm); // Printe la valeur Obtenue sur LCD

lcd.print(" cm "); // Printe l'unité sur LCD

delay(10);

lcd.setCursor(0,1);

lcd.print("Angle : ");

lcd.print(pos);

lcd.print(" deg ");

delay(80); //attendre 100ms pour que le servo cherche sa position

 

}

for (pos = 180; pos >= 0; pos -= 1) { //

myservo.write(pos); //

digitalWrite(trigPin, LOW);

delayMicroseconds(2);

digitalWrite(trigPin, HIGH);

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

 

duration = pulseIn(echoPin, HIGH);

distanceCm= duration*0.034/2;

if (distanceCm <= DistanceSec){

if(distanceCm <= DistanceSec/2)

{

tone(buzzer, 10); // Send 1KHz sound signal...

digitalWrite(ledPin1, LOW);

digitalWrite(ledPin2, HIGH);

delay(700);

noTone(buzzer); // Stop sound...

lcd.setCursor(0,0); // positionner le cursor a 0,0

lcd.print("Distance: "); // Printe "Distance" sur LCD

lcd.print(distanceCm); // Printe la valeur Obtenue sur LCD

lcd.print(" cm "); // Printe l'unité sur LCD

delay(10);

lcd.setCursor(0,1);

lcd.print("Angle : ");

lcd.print(pos);

lcd.print(" deg ");

delay(2000);

}

else

{

digitalWrite(buzzer, HIGH);

digitalWrite(ledPin2, LOW);

digitalWrite(ledPin1, HIGH);

delay(100);

digitalWrite(buzzer, LOW);

lcd.setCursor(0,0); // positionner le cursor a 0,0

lcd.print("Distance: "); // Printe "Distance" sur LCD

lcd.print(distanceCm); // Printe la valeur Obtenue sur LCD

lcd.print(" cm "); // Printe l'unité sur LCD

delay(10);

lcd.setCursor(0,1);

lcd.print("Angle : ");

lcd.print(pos);

lcd.print(" deg ");

delay(2000);

}

}

else{

digitalWrite(buzzer, LOW);

digitalWrite(ledPin1, LOW);

digitalWrite(ledPin2, LOW);

}

 

lcd.setCursor(0,0); //

lcd.print("Distance: "); //

lcd.print(distanceCm); //

lcd.print(" cm ");

delay(10);

lcd.setCursor(0,1);

lcd.print("Angle : ");

lcd.print(pos);

lcd.print(" deg ");

delay(80);

}

}