Blog's of NmChisty

working process: The given Arduino program is a medicine reminder system that helps users take their medication on time. When the system starts, it initializes the RTC module, LCD display, GSM module, and buttons. It then checks if the RTC has lost power and sets the current time accordingly. The user can set up to three alarm times by pressing the SET button and using the INC and NEXT buttons to adjust the hours and minutes for each alarm. Once alarms are set, the system continuously displays the current time and date on the LCD. It also checks every second if the current time matches any of the set alarm times. When a match is found, the system alerts the user by displaying a reminder message, turning on a specific LED (red, yellow, or green), and activating a buzzer. The user has five seconds to press the CANCEL button to acknowledge the alert. If the alert is not canceled within that time, the system sends an SMS notification to a predefined phone number using the GSM module, infor...