#include <LiquidCrystal_I2C.h>
int ledPin = 13;
int inputPin = 2;
int pirState = LOW;
int val = 0;
LiquidCrystal_I2C lcd(0x27,20,4);
void setup() {
lcd.init();
pinMode(ledPin, OUTPUT);
pinMode(inputPin, INPUT);
}
void loop() {
val = digitalRead(inputPin);
if(val == HIGH ){
digitalWrite(ledPin, HIGH);
if (pirState == LOW) {
lcd.setCursor(0,0);
lcd.print("Motion detected!");
pirState = HIGH;
delay(100);
}else{
digitalWrite(ledPin, LOW);
if (pirState == HIGH) {
lcd.setCursor(0,0);
lcd.print("Motion ended! ");
pirState = LOW;
}
}
}
}