DKBCode - Open-Source Embedded System for Engineering Education

🌍 DKBCode is an open-source hardware and software ecosystem designed for students, educators, and engineers to learn IoT, embedded systems, and automation. This project provides a modular, scalable, and practical learning tool, enabling hands-on development with ESP32, GSM, real-time execution, and cloud integration.

📌 Vision & Purpose

• Enhance hands-on learning with real-world embedded programming examples.
• Provide a modular embedded framework for IoT, automation, and AI expansion.
• Create an accessible tool for students and educators in electronics and computer science.
• Support open-source development, allowing contributors to refine and improve functionality.

🔧 Hardware Architecture

Core Processing Unit

• ESP32 – High-performance microcontroller with Wi-Fi & Bluetooth support.
• GSM Module (SIM800L) – Cellular communication for IoT applications, enabling SMS alerts & remote control.
• Real-Time Clock (RTC) – For precise time-based automation.

💻 Software Architecture

Embedded Firmware (ESP32 & GSM)

• Multi-threaded execution using FreeRTOS for parallel sensor data processing.
• Interrupt-driven response system for high-priority execution tasks.
• Non-blocking communication protocols (MQTT/WebSockets/SMS).
• Cloud API integration for remote dashboard updates & data logging.

📡 System Architecture

                      ┌──────────────────────┐
                      │ Web Dashboard UI (GUI) │
                      └──────────┬───────────┘
                                 │
      ┌─────────────────────────▼─────────────────────────┐
      │  API Services (MQTT, WebSockets, GSM SMS)        │
      │  Enables real-time IoT data exchange             │
      └─────────────────────────┬─────────────────────────┘
                                 │
 ┌──────────────────────────────▼──────────────────────────────┐
 │ Firmware Layer (ESP32 & GSM)                                 │
 │ - Multi-sensor parallel processing (FreeRTOS)               │
 │ - Interrupt-based execution for motors & relays             │
 │ - Secure data communication (Wi-Fi, GSM, MQTT)              │
 └──────────────────────────────┬──────────────────────────────┘
                                 │
 ┌──────────────────────────────▼──────────────────────────────┐
 │ Hardware Layer (Microcontrollers, Sensors, Actuators)       │
 │ - ESP32 MCU for Wi-Fi & Bluetooth communication             │
 │ - GSM (SIM800L) for SMS & fallback connectivity             │
 │ - Stepper motors, PIR sensors, temperature modules          │
 └──────────────────────────────────────────────────────────────┘
        

🚀 Getting Started

Step 1: Clone the Repository

git clone https://github.com/github4mathews/dkbcode.git
cd dkbcode
        

Step 2: Setup ESP32 & GSM

• Install dependencies (Arduino IDE, PlatformIO).
• Configure Wi-Fi & MQTT in config.h.

Step 3: Deploy Firmware & Web Interface

• Flash ESP32 with main.cpp firmware.
• Launch web dashboard (index.html).

🌟 How to Contribute?

• Fork the repo and submit improvements via pull requests.
• Report issues & suggest enhancements in the discussions section.
• Share technical knowledge & tutorials to improve the learning experience.

🔗 Let’s collaborate to make engineering education more interactive! 🚀🔥