Lcd display ultrasonic sensor and a IR sensor

1#include<LiquidCrystal_I2C.h>
2#include<Wire.h>
3
4#define TRIGGER  2
5#define ECHO 4     // ultrasonic senor
6
7#define IR A3 // Ir sensor
8
9#define  I2C_ADDR 0x27
10#define BACKLIGHT_PIN 3
11#define En_pin 2
12#define Rw_pin 1
13#define  Rs_pin 0
14#define D4_pin 4
15#define D5_pin 5
16#define D6_pin 6
17#define  D7_pin 7
18
19LiquidCrystal_I2C lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin);
20
21
22
23
24
25
26void  setup() {
27
28lcd.begin(16,2);
29lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE);
30lcd.setBacklight(HIGH);
31lcd.home();
32
33pinMode(IR,INPUT);
34Serial.begin(9600);
35
36pinMode  (TRIGGER,OUTPUT);
37pinMode (ECHO,INPUT);
38  
39
40}
41
42void loop() {
43  int IR_Sensor = digitalRead (IR);
44
45 if(IR_Sensor == 0){
46
47  lcd.setCursor  (0,0);
48  lcd.print("close");
49
50  
51 }else {
52
53  lcd.setCursor (0,0);
54  lcd.print("open");
55 }
56
57   digitalWrite(TRIGGER,LOW);
58  delayMicroseconds(2);
59  digitalWrite(TRIGGER,HIGH);
60  delayMicroseconds(10);
61
62  long x =pulseIn(ECHO,HIGH);
63  long inches = x / 74 /2;
64  long cm = x /29/2;
65
66  lcd.setCursor(0,1);
67  lcd.print(cm);
68  lcd.print("cm");
69
70 
71 
72}
73