sir,i want to do a project on TOUCH BELL GUEST COUNTER.i want its circuit diagram and workings.can u plz send?

Question

this project will help me to know how many guests have come to my house and used the bell in my absence.it should have a digital display which will display the number of guests used the bell. it should also have a RESET option which will bring back the counter to zero.i am a 12th class cbse student.this project is my class work.sir,please send me its simple circuit diagram and working so that i can implement it.

Answer 1

http://www.allaboutcircuits.com/vol_6/chpt_7/8.html