#include <Wire.h>
#include "RTClib.h"

RTC_DS3231 rtc;

int buzzer = 25;
int button = 26;

void setup() {
  Serial.begin(115200);

  pinMode(buzzer, OUTPUT);
  pinMode(button, INPUT_PULLUP);

  Wire.begin(21, 22);

  if (!rtc.begin()) {
    Serial.println("RTC not found");
    while (1);
  }
}

void loop() {
  DateTime now = rtc.now();

  int hour = now.hour();
  int minute = now.minute();

  Serial.print(hour);
  Serial.print(":");
  Serial.println(minute);

  // Set medicine time (example 10:30)
  if (hour == 10 && minute == 30) {
    digitalWrite(buzzer, HIGH);
  }

  // Stop buzzer on button press
  if (digitalRead(button) == LOW) {
    digitalWrite(buzzer, LOW);
  }

  delay(1000);
}