Write a C program for the ATmega16 and the STK500 board: • The program should repeatedly let the user enter a 2-digit password using the 4x3 keypad, which is connected to PORT B. The program should display the key press on the 7-segment display, which is connected to PORT A. • If the user types key '2' followed by key '3', the program will turn on LED7, which is connected to PORT C.7. If the user enters any other key sequence, the program should turn off LED7.