ControlHub v1.0.0 - Initial Release

🎉 First official release of ControlHub (v1.0.0)

🚀 What's New

• ESP32 Bluetooth-based relay control system
• Android app with Material 3 design
• Automatic ON/OFF scheduling using DS3231 RTC
• Manual relay control (Light & CO₂)
• RTC time synchronization from Android app
• Works fully offline (no internet required)
• Open-source under MIT License

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📦 Downloads

• Android App (APK): ControlHub-v1.0.0.apk
• ESP32 Firmware (ZIP): ControlHub-ESP32-Firmware-v1.0.0.zip
• Source Code: Available in this repository

⬇️ Download the files from the Assets section below.

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📱 Android App Installation

1. Download the APK file
2. Enable Install unknown apps in Android settings
3. Install the APK
4. Open the app and grant Bluetooth permissions

⚠️ Android 12+ is required due to Bluetooth permission changes.

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🔧 ESP32 Firmware Installation

1. Download and extract the firmware ZIP
2. Open the .ino file in Arduino IDE
3. Install ESP32 board support in Arduino IDE
4. Select board: ESP32 Dev Module
5. Select the correct COM port
6. Upload the code
7. Open Serial Monitor (115200 baud) to verify Bluetooth startup

Detailed steps are available in the README.

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🔌 Hardware Required

• ESP32 DevKit (ESP32-WROOM)
• DS3231 RTC Module
• 2-Channel Relay Module
• Android phone (Android 12 or higher)

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🔄 Version Compatibility

• This Android app v1.0.0 is compatible only with
  ESP32 Firmware v1.0.0

⚠️ Mixing versions may cause unexpected behavior.

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📝 Notes

• Internet connection is NOT required
• All scheduling logic runs locally on ESP32
• Tested with ESP32 Dev Module

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📜 License

MIT License