#include <LiquidCrystal.h>
#include <Servo.h>
Servo miservo;
const int ledVerde = 8;
const int echopin = 9;
const int trigpin = 10;
long duracion;
float distancia;
LiquidCrystal lcd(13, 12, 5, 4, 3, 2);
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
miservo.attach(11);
pinMode(trigpin, OUTPUT);
pinMode(echopin, INPUT);
miservo.write(0);
pinMode(ledVerde, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(trigpin, LOW);
delayMicroseconds(2);
digitalWrite(trigpin, HIGH);
delayMicroseconds(10);
digitalWrite(trigpin, LOW);
duracion = pulseIn(echopin, HIGH);
distancia = (duracion * 0.034) / 2;
if (distancia < 15) {
miservo.write(90);
digitalWrite(ledVerde, HIGH);
lcd.clear();
lcd.setCursor(0, 1);
lcd.print("Acceso Permitido");
delay(3000);
miservo.write(0);
digitalWrite(ledVerde, LOW);
}
else {
lcd.clear();
lcd.setCursor(0, 1);
lcd.print("Esperando Usuario");
delay(500);
}
}
//MELVIN ADAN SANTOS CLAROS
//0318200601618