Parking Without Keypad
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asdfParking Without Keypad
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asdf//parking without keypad
#include <LiquidCrystal_I2C.h>
#include <Servo.h> //Library for the servo motor
Servo Entry, Exit; //Object of type servo
#define IR_exit 7 //Define pins
#define IR_Slot3 8
#define IR_Slot2 5
#define IR_Slot1 6
#define IR_entry 4
#define buzzer 11
#define echo A1
#define trig A0
const int pos = 0; //Initial Position of servo motor
//initialize the library with the numbers of the interface pins
LiquidCrystal_I2C lcd(0x27,16,2);
float getDistance() {
digitalWrite(trig, LOW);
delayMicroseconds(2);
digitalWrite(trig, HIGH);
delayMicroseconds(10);
digitalWrite(trig, LOW);
float distance = pulseIn(echo, HIGH) / 58;
delay(10);
return distance;
}
void adaptiveBeep(float distance) {
if (distance > 0 && distance < 10) {
tone(buzzer, 500);
}
else {
noTone(buzzer);
}
}
void setup() {
Serial.begin(9600);
Entry.attach(10); //Entry on 12 pin
Exit.attach(12); //Exit on 13 pin
Entry.write(pos+90); //Initial position at 0 for both motors
Exit.write(pos);
pinMode(IR_Slot1, INPUT); //Pin modes
pinMode(IR_Slot2, INPUT);
pinMode(IR_Slot3, INPUT);
pinMode(IR_entry, INPUT);
pinMode(IR_exit, INPUT);
pinMode(trig, OUTPUT);
pinMode(buzzer, OUTPUT);
lcd.init(); //Initialize the 16x2 LCD
lcd.backlight();
//Print a message to the LCD
lcd.print("Smart Parking");
lcd.setCursor(0,1); //Set cursor to column 1, row 2
lcd.print("System");
delay(2000);
lcd.clear(); //Clear the lcd screen
lcd.setCursor(0, 0); //Set cursor to column 1, row 0
lcd.print("S1 = A");
lcd.setCursor(0, 1); //Set cursor to column 1, row 1
lcd.print("S2 = A");
lcd.setCursor(8, 0); //Set cursor to column 8, row 0
lcd.print("S3 = A");
// lcd.setCursor(8, 1); //Set cursor to column 8, row 1
// lcd.print("d = 0");
delay(2000);
}
void loop()
{
int distance = getDistance();
// lcd.setCursor(8, 1);
// lcd.print("d = ");
// lcd.setCursor(12, 1);
// lcd.print(" ");
// lcd.setCursor(12, 1);
// lcd.print(distance);
//Serial.println(distance);
adaptiveBeep(distance);
Serial.print(digitalRead(IR_entry));
Serial.print(" ");
Serial.print(digitalRead(IR_Slot1));
Serial.print(digitalRead(IR_Slot2));
Serial.println(digitalRead(IR_Slot3));
if(digitalRead(IR_Slot1)==HIGH)
{
lcd.setCursor(0, 0);
lcd.print("S1 = NA");
}
else
{
lcd.setCursor(0, 0);
lcd.print("S1 = A ");
}
if(digitalRead(IR_Slot2)==HIGH)
{
lcd.setCursor(0, 1);
lcd.print("S2 = NA");
}
else
{
lcd.setCursor(0, 1);
lcd.print("S2 = A ");
}
if(digitalRead(IR_Slot3)==HIGH)
{
lcd.setCursor(8, 0);
lcd.print("S3 = NA");
}
else
{
lcd.setCursor(8, 0);
lcd.print("S3 = A ");
}
if(digitalRead(IR_entry)==LOW &&
(digitalRead(IR_Slot1)==HIGH ||
digitalRead(IR_Slot2)==HIGH ||
digitalRead(IR_Slot3)==HIGH))
{
Entry.write(pos);
}
else
{
Entry.write(pos+90);
}
if(digitalRead(IR_exit)==HIGH)
{
Exit.write(pos);
}
else
{
Exit.write(pos+90);
}