ATPMQTT_project

MQTT-based Comprehensive Warning System for Individual Firefighters

I. Development on Development Board

Learning Interface Usage on ESP32S3 Development Board

• Learned the basic usage of GPIO, ADC, I2C, etc. on the ESP32S3 development board.

Sensor Driver Development

• Developed drivers for BMP280 temperature and humidity sensor and QMI8658C attitude sensor.

Design of MQTT Client Program

• Designed the MQTT client program, implementing connection, publishing, and subscribing functionalities.

TFT Display Screen Design

• Designed the layout and interaction of the 1.14-inch TFT display screen.

II. Backend Service Containerization Deployment

MQTT Server Selection and Deployment

• Evaluated and selected Mosquitto as the MQTT server software, and designed deployment architecture and configuration schemes.
• Deployed the MQTT server, configured access permissions, and topic subscriptions.

Database Design and Implementation

• Designed the database scheme, determined the database type, and table structure.
• Implemented the database access layer, achieving persistent storage of sensor data.

Docker Container Deployment

• Wrote Dockerfile, packaged MQTT server, web application, and database.
• Deployed Docker containers, achieving containerized management of the entire system.

Testing and Documentation Writing

• Tested the reliability and scalability of containerized deployment.
• Wrote deployment documents and operation manuals.
• Implemented a version control system for documentation to track changes and updates, ensuring all materials are current and accurate.

III. Web Frontend Application Design

Functional Requirements and Framework Selection

• Determined the functional requirements and interaction flow of the web application.
• Selected React as the frontend framework.

UI Design and Interaction Design

• Designed the UI prototype and interaction for the web application.
• Optimized the interaction and visual effects of the web frontend interface.

Data Interaction and Testing

• Developed the web frontend interface, displaying sensor data from individual devices.
• Implemented data interaction with the MQTT server, subscribing to sensor data topics.
• Conducted usability and performance testing of the web application.

Database Interaction and Documentation Writing

• Implemented interaction with the backend database, displaying historical sensor data.
• Wrote functional test cases for the web application and performed testing.
• Wrote usage instructions for the web application.

System Integration Testing and User Feedback

• Participated in system integration testing and debugging, resolving issues.
• Gathered user feedback and conducted final interface optimization.