Project Overview

Project Title: AIRTRACK - IoT Environmental Monitoring PCB with Advanced Sensor Array

Below is a detailed technical overview of the AIRTRACK PCB development process and capabilities.

Sensor Integration and Data Collection

Plantower PMS5003: High-precision laser PM2.5/PM10 sensor with UART interface
Senseair S8: NDIR CO2 sensor with 0-5000ppm range and ±50ppm accuracy
Sensirion SHT31: Temperature (±0.2°C) and humidity (±2% RH) sensor
Additional Sensors: BME280 (pressure), CCS811 (VOC), and optical dust sensor

Circuit Design

Design Tools: KiCad for schematic capture and PCB layout
Power Management: 3.3V LDO regulator with 2A peak capability
Signal Conditioning: Analog front-end for sensor signal processing
Communication: ESP32-WROOM with WiFi/Bluetooth
Testing: Extensive validation with oscilloscope and logic analyzer

System Architecture

Modular Design: Separate sensor, processing, and communication modules
Data Pipeline: Local processing → Edge filtering → Cloud storage
Firmware: Custom RTOS-based implementation for reliable operation

AI Integration

Air Quality Index: Machine learning model for comprehensive AQI calculation
Predictive Maintenance: Anomaly detection for sensor health monitoring
Pattern Recognition: Daily/seasonal air quality pattern analysis

Prototyping and Implementation

Developed through 3 hardware iterations with extensive environmental testing. Final version features industrial-grade components with IP65 enclosure for outdoor deployment.