Minmax Electronics offers 4 Floor Lift Educational Interface Card. Minmax Electronics deals with IC Testers, Telecom Tutors and Microprocessor based Equipments. The educational interface cards are connected to Microprocessor and Microcontroller trainer kits through 26 pin FRC cable extenders. Sample assembly language programs are supplied with the interface cards. The 4 Floor Lift Educational Interface Card is simulated and controlled with the port lines. There are 4 request buttons and 4 green requests LED and there are 7 red LEDs to indicate the status of the lift or elevator.