Tech4Biz

ESP32-Based Ventilation System Monitoring

Overview

Tech4Biz Solutions designed and implemented an ESP32-based PCB board with a 4-layer design compliant with RoHS and European Union standards. This smart monitoring system is integrated into ventilation units to measure smoke and humidity levels in residential houses across London, ensuring improved indoor air quality and safety. The system features wireless communication with a dedicated mobile application using Bluetooth Low Energy (BLE) and Wi-Fi libraries.

Project Background

With growing concerns about indoor air quality and fire safety, there is an increasing need for smart solutions that can monitor environmental conditions in real-time. Tech4Biz Solutions aimed to develop a compact, efficient, and reliable IoT-based system capable of seamlessly integrating into existing ventilation systems.

Solution Architecture

Hardware Design

  • Microcontroller: ESP32 dual-core processor
  • PCB Design: 4-layer design with RoHS compliance
  • Sensors: Smoke detector and humidity sensor
  • Connectivity: BLE and Wi-Fi for wireless communication
  • Power Supply: Low-power architecture for energy efficiency

Mobile Application

  • Platform: Android and iOS
  • Communication: BLE for local device pairing and Wi-Fi for remote connectivity
  • User Interface: Real-time sensor data visualization
  • Alerts: Push notifications for smoke and humidity anomalies
  • Data Storage: Firebase backend for historical data logging
esp32 ventilation block diagram
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Objective

The primary objectives of the project were to:

  • Develop a smart monitoring system for smoke and humidity levels
  • Ensure compliance with RoHS and EU safety standards
  • Enable wireless communication with mobile applications
  • Provide real-time alerts and historical data visualization
  • Design a low-power solution for extended battery life

Implementation

  • The PCB board was designed using Altium Designer.
  • Firmware was developed using the ESP-IDF framework.
  • The mobile app was built with React Native, enabling cross-platform functionality.
  • Cloud-based data storage and push notifications were implemented using Firebase.
  • The system was deployed in 50 homes across London for pilot testing.
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Results

  • Accurate real-time monitoring of smoke and humidity levels
  • Instant alerts with response time below 5 seconds
  • Compliance with RoHS and EU safety standards
  • Positive feedback from pilot users on reliability and ease of use
  • Energy-efficient operation with 6 months of battery life on a single charge

Key Benefits

  • Enhanced indoor air quality and fire safety
  • Real-time remote monitoring
  • Compliance with environmental and safety regulations
  • Seamless integration into existing ventilation systems
  • Low-power consumption with long battery life

Conclusion

Tech4Biz Solutions’ ESP32-based ventilation system monitoring solution represents a significant advancement in smart home technology. The system not only improves indoor air quality and safety but also meets the highest environmental and safety standards. Its scalable architecture and user-friendly mobile app make it a compelling solution for both residential and commercial applications.

Future Roadmap

  • Integration of AI-based predictive maintenance
  • Additional sensor modules for air quality monitoring
  • Cloud-based remote diagnostics
  • Commercial rollout across major European cities

Client Testimonial