Question $3[4$ marks$]$:

Design using any microcontroller a doorbell, such that you will interface with a switch $($representing the doorbell$)$ and a buzzer. The switch must be connected to an external interrupt.You must submit circuit schematic, configuration settings and flowchart $($Just like the tutorials and midterm$)+$ your code $($in text file or pdf$)+$ a video of your working hardware$/$code$.$ using microchip