#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int LED=3, BUZ=2, PIR=4, DPIR, Freq;



void setup(){
  lcd.init();
  lcd.backlight();
  pinMode(LED,OUTPUT);
  pinMode(BUZ,OUTPUT);
  pinMode(PIR, INPUT);


}
void Suara(){
  for(int Freq=50;Freq<=5000;Freq+=10)
  {tone(2,Freq);
  delay(50);
  noTone(2);}
}
void loop() {
  DPIR= digitalRead(PIR);
  if(DPIR==1){digitalWrite(LED,1);Suara();lcd.print("roda");}else{digitalWrite(LED,0);lcd.clear();}

}