#include <ESP32Servo.h>

// Pins
#define PIR_PIN 13
#define BTN_PIN 14
#define SRV_PIN 18

Servo gate;
int isOpen = 0;
unsigned long t_start = 0;

void setup() {
  Serial.begin(115200);
  pinMode(PIR_PIN, INPUT);
  pinMode(BTN_PIN, INPUT);
  
  gate.attach(SRV_PIN);
  gate.write(90); // Closed pos
  Serial.println("System OK");
}

void loop() {
  // Check triggers
  if ((digitalRead(PIR_PIN) || digitalRead(BTN_PIN)) && !isOpen) {
    Serial.println("Opening...");
    gate.write(0);
    isOpen = 1;
    t_start = millis();
    delay(500); 
  }

  // Timer check
  if (isOpen && (millis() - t_start > 10000)) {
    Serial.println("Closing...");
    gate.write(90);
    isOpen = 0;
    delay(500);
  }
}