#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

int LDR_Val = 0;     
int sensor = 34;      
int led = 25;      

void setup() {
    lcd.init();               // initialize the lcd
    lcd.backlight(); 
    Serial.begin(115200);     
    pinMode(led, OUTPUT);  
}
void loop() {
    LDR_Val = analogRead(sensor);   
    Serial.print("LDR Output Value: ");
    Serial.println(LDR_Val);   
    if(LDR_Val > 100) {       
        lcd.clear();
        lcd.setCursor(0, 0); // start to print at the first row
        lcd.print("LDR: ");
        lcd.print(LDR_Val);
        lcd.setCursor(0, 1);
        lcd.print(" High intensity ");
        digitalWrite(led,LOW); 
    }
    else {
        lcd.clear();
        lcd.setCursor(0, 0); // start to print at the first row
        lcd.print("LDR: ");
        lcd.print(LDR_Val);
        lcd.setCursor(0, 1);
        lcd.println("LOW Intensity ");
        digitalWrite(led,HIGH);  
    }
    delay(1000);
}