Smart Room Monitoring System - Technical Report

Project Completion: November 12, 2025

Shantanu Maratha

Thapar Institute of Engineering and Technology

Project Duration: August - November 2025

Executive Summary

The Smart Room Monitoring System is an integrated Internet of Things (IoT) platform designed to provide comprehensive environmental monitoring within indoor spaces. This project demonstrates a fully functional prototype that addresses real-world challenges in room climate control, air quality assessment, and occupancy management. The system combines multiple sensor technologies with a real-time display interface and persistent data logging capabilities, making it suitable for applications in smart homes, office buildings, healthcare facilities, and educational institutions.

Key Project Achievements

• 5 integrated sensors with multi-protocol communication (I2C, SPI, 1-Wire)
• Real-time OLED display with multi-screen data cycling system
• Persistent data logging to microSD card in CSV format
• 8 output GPIO channels (2 RGB LEDs = six pins, Buzzer, Piezo) for user feedback and alerts
• 20+ GPIO pins utilised across multiple communication protocols
• 3.3V and 5V power management with comprehensive debugging methodology

1. Problem Statement & Market Context

1.1 Real-World Problems Being Solved

Modern indoor environments face several critical monitoring challenges, resulting in significant health, economic, and operational consequences.

1.1.1 Air Quality Degradation: Health & Productivity Impact