Car Parking System Using Arduino

 

Circuit Diagram :-

Code :-

//Prateek //www.prateeks.in #include <Servo.h> #include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27, 20, 4); Servo myservo; #define ir_enter 2 #define ir_back 4 #define ir_car1 5 #define ir_car2 6 #define ir_car3 7 #define ir_car4 8 int S1 = 0, S2 = 0, S3 = 0, S4 = 0; int flag1 = 0, flag2 = 0; int slot = 4; void setup() { Serial.begin(9600); pinMode(ir_car1, INPUT); pinMode(ir_car2, INPUT); pinMode(ir_car3, INPUT); pinMode(ir_car4, INPUT); pinMode(ir_enter, INPUT); pinMode(ir_back, INPUT); myservo.attach(3); myservo.write(90); lcd.init(); lcd.backlight(); lcd.setCursor (0, 1); lcd.print(" Hi Welcome To "); lcd.setCursor (0, 2); lcd.print(" JustDoElectronics"); delay (5000); lcd.clear(); lcd.setCursor (0, 0); lcd.print(" Today's Project "); lcd.setCursor (0, 1); lcd.print(" Car Parking "); lcd.setCursor (0, 2); lcd.print(" System "); delay (5000); lcd.clear(); Read_Sensor(); int total = S1 + S2 + S3 + S4; slot = slot - total; } void loop() { Read_Sensor(); lcd.setCursor (0, 0); lcd.print(" Available Slot: "); lcd.print(slot); lcd.print(" "); lcd.setCursor (0, 1); if (S1 == 1) { lcd.print("S1:Full "); } else { lcd.print("S1:Empty"); } lcd.setCursor (11, 1); if (S2 == 1) { lcd.print("S2:Full "); } else { lcd.print("S2:Empty"); } lcd.setCursor (0, 2); if (S3 == 1) { lcd.print("S3:Full "); } else { lcd.print("S3:Empty"); } lcd.setCursor (11, 2); if (S4 == 1) { lcd.print("S4:Full "); } else { lcd.print("S4:Empty"); } if (digitalRead (ir_enter) == 0 && flag1 == 0) { if (slot > 0) { flag1 = 1; if (flag2 == 0) { myservo.write(180); slot = slot - 1; } } else { lcd.setCursor (0, 0); lcd.print(" Sorry Parking Full "); delay(1500); } } if (digitalRead (ir_back) == 0 && flag2 == 0) { flag2 = 1; if (flag1 == 0) { myservo.write(180); slot = slot + 1; } } if (flag1 == 1 && flag2 == 1) { delay (1000); myservo.write(90); flag1 = 0, flag2 = 0; } delay(1); } void Read_Sensor() { S1 = 0, S2 = 0, S3 = 0, S4 = 0; if (digitalRead(ir_car1) == 0) { S1 = 1; } if (digitalRead(ir_car2) == 0) { S2 = 1; } if (digitalRead(ir_car3) == 0) { S3 = 1; } if (digitalRead(ir_car4) == 0) { S4 = 1; } }


Github Link :-      Code And Library

Video :-