Muhammad_Munir
Published © LGPL

How to make Car Park Sensor with Arduino

How to make Car Park Sensor with Arduino

BeginnerFull instructions provided875
How to make Car Park Sensor with Arduino

Things used in this project

Hardware components

Arduino Nano R3
Arduino Nano R3
×1
Buzzer
×1
Ultrasonic Sensor HC-SR04
×1
Jumper wires (generic)
×1
LED
×1
220 ohm Resistor
×1

Story

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Code

Code

Arduino
#define trig 12
#define echo 11
void setup() {

  pinMode(trig,OUTPUT);
  pinMode(echo,INPUT);
  pinMode(5, OUTPUT);
  pinMode(13, OUTPUT);
  Serial.begin(9600);
  
  

}

void loop() {

  
digitalWrite (trig,LOW);
delayMicroseconds(2);
digitalWrite (trig,HIGH);
delayMicroseconds(10);
digitalWrite (trig,LOW);


long t =pulseIn(echo,HIGH);

long cm = t/29/2;

Serial.println(cm);
delay (200);

digitalWrite (13, HIGH);
  delay (500);
  digitalWrite (13, LOW);
  delay (500);


if(cm <= 100 && cm >= 60 ){
  digitalWrite (5, HIGH);
  delay (100);
  digitalWrite (5, LOW);
  delay (1000);
}
else if (cm <= 50 && cm >=30){
   digitalWrite (5, HIGH);
  delay (100);
  digitalWrite (5, LOW);
  delay (500);
}
else if (cm <= 30 && cm >=10){
   digitalWrite (5, HIGH);
  delay (80);
  digitalWrite (5, LOW);
  delay (1);
}
else if (cm <= 10 && cm >=0){
   digitalWrite (5, HIGH);
  delay (50);
 // digitalWrite (6, LOW);
//  delay (50);
}
else {
 digitalWrite (5, LOW);
// delay (50);
}
}

Credits

Muhammad_Munir

Muhammad_Munir

77 projects • 48 followers
I am Arduino programmer, also expertise in ESP32 and 8266 wifi modules.

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