Efficient Power Manager Based on people/Visitor counting System using 8051 Based Microcontroller

The project monitors the number of persons entering as well as exiting a room and accordingly electrical loads are switched ON as the first person enters and switches OFF when the last person leaves through IR sensors interfaced to micro-controller. to Count person for 1-4 person First Load is on 5-9 second load on 10-14 third and above 15 fourth load is on as o person all load get switch off,.