ESP32-C3 Smart Watch & E-ReaderA feature-rich smartwatch and e-reader built for the ESP32-C3 Super Mini with OLED display, combining a digital watch with an e-book reader and web-based content management system.
Features⌚ Digital Watch- Real-time clock with manual time sync via WiFi
- 24-hour time format with seconds
- Date display (DD/MM) with day of week
- Time persists across deep sleep and power cycles
- Auto-sleep after 30 seconds of inactivity
- Wake on any button press
📚 E-Reader- Read chapters and topics stored in SPIFFS flash memory
- Resume reading from last position
- Smooth scrolling through content
- Automatic text wrapping for 128x64 OLED display
- Support for up to 10 chapters with 20 topics each
🌐 Web Content Manager- Built-in WiFi AP mode for content management
- Complete CRUD operations for chapters and topics
- Rich text editor for topic content
- Responsive web interface (works on mobile/desktop)
- Real-time content updates without re-flashing
🔧 Technical Features- Deep sleep power saving (consumes minimal power when idle)
- RTC memory for persistent time and reading progress
- SPIFFS flash storage (no SD card required)
- Optimized for ESP32-C3 Super Mini
Hardware Requirements- Board: ESP32-C3 Super Mini
- Display: 128x64 OLED (I2C, SSD1306)
- Buttons: 4x tactile switches
- Power: 3.3V from ESP32-C3
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