A simple alarm clock built with an Arduino, LCD, and buzzer.
The project demonstrates the use of sensors (button) and actuators (LCD and buzzer).

https://drive.google.com/file/d/1WbxwsO6Xx29RwOU6ohdVN6r8GGUi0kA9/view?usp=sharing

• Displays the current time (hours and minutes) on LCD screen.
• Hardcoded alarm time (set in code).
• Buzzer rings when the alarm time is reached.
• Push button can stop the alarm ringing.
• Sensor: pushbutton
• Actuators: buzzer and LCD screen

• LCD RS pin to digital pin 12.
• LCD Enable pin to digital pin 11.
• LCD D4 pin to digital pin 5.
• LCD D5 pin to digital pin 4.
• LCD D6 pin to digital pin 3.
• LCD D7 pin to digital pin 2.
• LCD R/W pin to GND.
• LCD VSS pin to GND.

• The Arduino keeps time using the millis() function.
• The LCD shows the current time and the alarm setting.
• When the set alarm time matches the clock, the buzzer turns on.
• The push button can stop the buzzer by disabling the alarm.

• To be able to set time and alarm with buttons