Development of Air Quality Monitoring System with an I-Ink Display
The Air Quality Monitoring System with an E-Ink display is designed to provide real-time environmental data, including air quality indices (AQI), temperature, humidity, and pollutant levels, in a visually appealing and power-efficient manner. E-Ink technology ensures low power consumption and excellent readability in various lighting conditions, making it ideal for indoor and outdoor use.
- Requirements Gathering
- Define key parameters to measure: AQI, PM2.5, PM10, CO2, CO, temperature, and humidity.
- Determine connectivity options (Wi-Fi, Bluetooth, LoRaWAN, or cellular).
- Specify display requirements: size, resolution, and refresh rate for E-Ink.
- Hardware Design
- Sensors: Select high-accuracy sensors for air quality monitoring (e.g., SDS011 for PM2.5/PM10, MH-Z19 for CO2, and DHT22 for temperature/humidity).
- Microcontroller: Choose a low-power microcontroller such as ESP32 or STM32 to handle sensor data and communication.
- E-Ink Display: Integrate a suitable E-Ink display module (e.g., Waveshare 4.2-inch) with support for SPI communication.
- Power Management: Design power supply with battery and energy-saving features like sleep modes.
- Firmware Development
- Write firmware for data acquisition from sensors.
- Implement algorithms to calculate AQI and display updates.
- Program the microcontroller to interface with the E-Ink display and handle periodic updates.
- Enable connectivity for cloud-based data upload (optional).
- Enclosure Design
- Create a compact, weather-resistant casing using 3D modeling software.
- Ensure appropriate ventilation for sensors to measure accurate air quality.
- Include a mountable design for easy placement.
- Software Integration
- Develop a simple UI for the E-Ink display to show AQI and other data.
- If required, create a mobile app or web dashboard to remotely monitor data.
- Testing & Calibration
- Calibrate sensors for accurate data using standard environmental references.
- Test the device in different conditions to ensure reliability and robustness.
- Deployment
- Prepare the device for end-user use, including instructions for installation and maintenance.
- Optionally, set up cloud integration for real-time data analytics and storage.
Key Features
- Real-Time Monitoring: Displays AQI, temperature, humidity, and pollutant levels.
- Low Power Consumption: Leverages E-Ink technology and energy-efficient components.
- Connectivity: Options for Wi-Fi or LoRaWAN for remote monitoring.
- Compact Design: A sleek and durable enclosure suitable for indoor and outdoor use.
- User-Friendly: Clear and customizable interface on the E-Ink display.
Applications:
- Home and office air quality monitoring.
- Industrial environments for pollutant tracking.
- Urban setups to provide localized AQI information.
- Educational and research purposes.
This system combines functionality, efficiency, and aesthetics, making it an ideal solution for air quality monitoring needs.