o Assignment: A door sensor is connected to the RB1 pin, and a buzzer is connected to RC7. Write a C language program to monitor the door sensor, and when it opens, sound the buzzer. You can sound the buzzer by sending a square wave of a few hundred Hz frequency to it. The buzzer remains active as long as the door remains open Hints: Planning on how to write the program and make use of tlow chart Use two functions to: implement a function called "delay" to be used in generating the square wave. A function that generates a square wave called " buz