Arduino Code For Smart Car Parking System
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2); //Change the HEX address
#include <Servo.h>
Servo myservo1;
int IR1 = 2;
int IR2 = 4;
int Slot = 6; //Enter Total number of parking Slots
int flag1 = 0;
int flag2 = 0;
void setup() {
lcd.begin(16,2);
lcd.backlight();
pinMode(IR1, INPUT);
pinMode(IR2, INPUT);
myservo1.attach(3); // Attach the pin to servo
myservo1.write(100); // Define inital gate degree
lcd.setCursor (0,0);
lcd.print(" SMART ");
lcd.setCursor (0,1);
lcd.print(" PARKING SYSTEM ");
delay (2000);
lcd.clear();
}
void loop(){
if(digitalRead (IR1) == LOW && flag1==0){
if(Slot>0){
flag1=1;
if(flag2==0){
myservo1.write(0);
Slot = Slot-1;
}
}
else{
lcd.setCursor (0,0);
lcd.print(" SORRY :( ");
lcd.setCursor (0,1);
lcd.print(" Parking Full ");
delay (3000);
lcd.clear();
}
}
if(digitalRead (IR2) == LOW && flag2==0){
flag2=1;
if(flag1==0){
myservo1.write(0);
Slot = Slot+1;
}
}
if(flag1==1 && flag2==1){
delay (1000);
myservo1.write(100);
flag1=0, flag2=0;
}
lcd.setCursor (0,0);
lcd.print(" WELCOME! ");
lcd.setCursor (0,1);
lcd.print("Slot Left: ");
lcd.print(Slot);
}
Template image 👇
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