For more course tutorials visit www.uophelp.com SOLVED ECET 340 iLAB3 OBJECTIVES: 1. To learn the basic operation of a keypad. 2. To understand how to interface a keypad to a microprocessor. 3. To learn how to program a keypad driver in C language. 4. To learn how to program a keypad activated interrupt that identifies the key being pressed and displays or otherwise returns its value to the main program.