Digital visitor counter is a reliable circuit that takes over the
task of counting Number of Persons/ Visitors in the Room very
Accurately. When somebody enters into the Room then the Counter is Incremented by one and when any one leaves the room then the Counter is Decremented by One. The total number of Persons inside the Room is displayed on the seven segment displays. The microcontroller does the above job by receiving the signals from
the sensors, and this signal is operated under the control of software
which is stored in ROM
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