#include <WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
const int sensor = 13;
void spinner() {
static int8_t counter = 0;
const char* glyphs = "\xa1\xa5\xdb";
LCD.setCursor(15, 1);
LCD.print(glyphs[counter++]);
if (counter == strlen(glyphs)) {
counter = 0;
}
}
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
Serial.println("Hello, ESP32!");
pinMode(sensor, INPUT);
LCD.init();
LCD.backlight();
LCD.setCursor(0, 0);
LCD.print("Connecting to ");
LCD.setCursor(0, 1);
LCD.print("WiFi ");
WiFi.begin("Wokwi-GUEST", "", 6);
while (WiFi.status() != WL_CONNECTED) {
delay(250);
spinner();
}
Serial.println("");
Serial.println("WiFi connected");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
}
void loop() {
int movimiento = digitalRead(sensor);
Serial.println(movimiento);
if (movimiento > 0) {
LCD.clear();
LCD.setCursor(0, 0);
LCD.println("HAY MOVIMIENTO");
LCD.setCursor(0, 1);
LCD.println("ALARMA ACTIVADA");
delay(5000);
} else {
LCD.clear();
LCD.setCursor(0, 0);
LCD.println("NO HAY MOVIMIENTO");
LCD.setCursor(0, 1);
LCD.println("ALARMA DESACTIVADA");
}
delay(5000);
}