#include <LiquidCrystal.h>

const int rs = 13, en = 12, d4 = 11, d5 = 10, d6 = 9, d7 = 8;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

const int relay = 7, pintrig = 3, pinecho = 2, pb1 =1, ldr = A0, potensio =A1;
int statuspb1;
int statusldr;

void setup() 
{
  pinMode(relay, OUTPUT);
  pinMode(ledG, OUTPUT);
  pinMode(ledY, OUTPUT);
  pinMode(ledR, OUTPUT);
  pinMode(pintrig, OUTPUT);
  pinMode(pinecho, INPUT);
  pinMode(pb1, INPUT);
  pinMode(ldr, INPUT);
  pinMode(potensio, INPUT);

  lcd.begin(16, 2);
  Serial.begin(9600);
}

void loop() 
{
  statuspb1 = digitalRead(pb1);
  statusldr = digitalRead(ldr);
  
  


  lcd.clear();
}