This document provides an abstract for a student project that aims to create a microcontroller-based bidirectional visitor counter and home automation system. The system will use an AT89S52 microcontroller to control room lights and accurately count the number of people entering and exiting a room based on signals received from sensors. It will increase the counter value when people enter and decrease it when they leave. The goal is to develop an automatic system that eases complexity and allows monitoring how many people are in a room.