const int trigPin=7;
const int echoPin=9;
long Duration;
int Distance;
int led=6;
void setup() {
pinMode(trigPin,OUTPUT);
pinMode(echoPin,INPUT);
pinMode(led,OUTPUT);
Serial.begin(9600);
}
void loop()
{
digitalWrite(trigPin,LOW);
delayMicroseconds(2);
digitalWrite(trigPin,HIGH);
delayMicroseconds(10);
digitalWrite(trigPin,LOW);
Duration=pulseIn(echoPin,HIGH);
Distance=Duration*0.034/2;
if(Distance<50)
{
digitalWrite(led,HIGH);
}
else
{
digitalWrite(led,LOW);
}
Serial.print("Distance: ");
Serial.println(Distance);
}
parking sensor
In this project the sensor will detect the distance while reversing the car and make the driver alert to avoid collision.
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