Hi You can checkout these two

[GANEEV SINGH]

Hi 

You can checkout these two projects:

1.This will help you understand how to make a smart card access system: 

https://www.engineersgarage.com/microcontroller/8051projects/simple-toll-plaza-rfid-interface-at89c51-circuit

2.This will let you knwo how to interface a stepper motor with 8051:

https://www.engineersgarage.com/microcontroller/8051projects/stepper-motor-interfacing-with-8051-microcontroller-circuit

You can also use a servo motor instead of stepper motor for this purpose, check this out:

https://www.engineersgarage.com/microcontroller/8051projects/servo-motor-project-circuit