Using PIC 16F84A, using interrupt Design smart controller for power consumption that can control the class room that has Five LEDs and Two air-conditioners as follow:

(12 Marks)

1. When door is open, two LEDs are ON with one air condition is ON and the remaining LEDS and the

other air condition are OFF.

2. When door is close, All the LEDs and the two air conditions will be ON.

(Assume there will a limit switch to control the door movement)