#include <htc.h>
 
// Configurație Fuse Bits
#pragma config FOSC = HS, WDTE = OFF, PWRTE = ON, BOREN = ON, LVP = OFF
 
#define _XTAL_FREQ 4000000 // Frecvența cristalului 4MHz
 
void delay_seconds(unsigned char s) {
    while(s--) {
        __delay_ms(1000); // Întârziere de 1 secundă
    }
}
 
void main(void) {
    TRISBbits.TRISB0 = 0; // Setăm RB0 ca ieșire
    PORTBbits.RB0 = 0;    // Inițializăm pe Low
 
    while(1) {
        PORTBbits.RB0 = 1;  // High
        delay_seconds(18);  // Menține 18 secunde
 
        PORTBbits.RB0 = 0;  // Low
        delay_seconds(13);  // Menține 13 secunde
    }
}

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