Box unlocking system

Can anyone tell me how can i create a box opening system using bolt module.Box is made to store keys. How can i create a box unlocking system using face recognition with minimal circuitry.
I can do face recognition but i dont know how to do this with minimal circuitry.

You can refer below project done by one of our students.

However, instead of making complex system to open and close the door using digitalWrite, you can use our newly implemented servo control APIs