Up Down Counter Circuit

Discussion in 'The Projects Forum' started by maruf10, Jan 17, 2009.

  1. maruf10

    Thread Starter New Member

    Jan 17, 2009
    i am trying to design an up down counter circuit which will increment counter when a person enters and decrement when a person leaves a room.but the problem is,how will i pass 1/0 when a person enters/leaves a room to up/down the counter?i am totally confused.need help.
    thanks is advance.
    Last edited: Jan 17, 2009